Additional tests for should_retransmit_and_persist (#6062) (#6070)

automerge

.buildkite/env/secrets.ejson

@@ -1,15 +1,14 @@
 {
     "_public_key": "ae29f4f7ad2fc92de70d470e411c8426d5d48db8817c9e3dae574b122192335f",
     "environment": {
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-      "CRATES_IO_TOKEN": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:d0jJqC32/axwzq/N7kMRmpxKhnRrhtpt:zvcPHwkOzGnjhNkAQSejwdy1Jkr9wR1qXFFCnfIjyt/XQYubzB1tLkoly/qdmeb5]",
-      "GEOLOCATION_API_KEY": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:R4gfB6Ey4i50HyfLt4UZDLBqg3qHEUye:UfZCOgt8XI6Y2g+ivCRVoS1fjFycFs7/GSevvCqh1B50mG0+hzpEyzXQLuKG5OeI]",
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-      "INFLUX_PASSWORD": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:hQRMpLCrav+OYkNphkeM4hagdVoZv5Iw:AUO76rr6+gF1OLJA8ZLSG8wHKXgYCPNk6gRCV8rBhZBJ4KwDaxpvOhMl7bxxXG6jol7v4aRa/Lk=]",
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-      "SOLANA_INSTALL_UPDATE_MANIFEST_KEYPAIR_x86_64_unknown_linux_gnu": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:Egc2dMrHDU0NcZ71LwGv/V66shUhwYUE:04VoIb8CKy7KYhQ5W4cEW9SDKZltxWBL5Hob106lMBbUOD/yUvKYcG3Ep8JfTMwO3K8zowW5HpU/IdGoilX0XWLiJJ6t+p05WWK0TA16nOEtwrEG+UK8wm3sN+xCO20i4jDhpNpgg3FYFHT5rKTHW8+zaBTNUX/SFxkN67Lm+92IM28CXYE43SU1WV6H99hGFFVpTK5JVM3JuYU1ex/dHRE+xCzTr4MYUB/F+nGoNFW8HUDV/y0e1jxT9to3x0SmnytEEuk+5RUzFuEt9cKNFeNml3fOCi4qL+sfj/Y5pjH9xDiUxsvH/8NL35jbLP244aFHgWcp]",
-      "SOLANA_INSTALL_UPDATE_MANIFEST_KEYPAIR_x86_64_apple_darwin": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:NeOxSoWCvXB9AL4H6OK26l/7bmsKd/oz:Ijfoxtvk2CHlN1ZXHup3Gg/914kbbAkEGWJfvozA8UIe+aUzUObMyTrKkVOeNAH8Q8YH9tNzk7RRnrTcpnzeCCBLlWcVEeruMxHox3mPRzmSeDLxtbzCl9VePlRO3T7jg90K5hW+ZAkd5J/WJNzpAcmr93ts/of3MbvGHSujId/efCTzJEcP6JInnBb8Vrj7TlgKbzUlnqpq1+NjYPSXN3maKa9pKeo2JWxZlGBMoy6QWUUY5GbYEylw9smwh1LJcHZjlaZNMuOl4gNKtaSr38IXQkAXaRUJDPAmPras00YObKzXU8RkTrP4EoP/jx5LPR7f]",
-      "SOLANA_INSTALL_UPDATE_MANIFEST_KEYPAIR_x86_64_pc_windows_msvc": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:7t+56twjW+jR7fpFNNeRFLPd7E4lbmyN:JuviDpkQrfVcNUGRGsa2e/UhvH6tTYyk1s4cHHE5xZH1NByL7Kpqx36VG/+o1AUGEeSQdsBnKgzYdMoFYbO8o50DoRPc86QIEVXCupD6J9avxLFtQgOWgJp+/mCdUVXlqXiFs/vQgS/L4psrcKdF6WHd77BeUr6ll8DjH+9m5FC9Rcai2pXno6VbPpunHQ0oUdYzhFR64+LiRacBaefQ9igZ+nSEWDLqbaZSyfm9viWkijoVFTq8gAgdXXEh7g0QdxVE5T6bPristJhT6jWBhWunPUCDNFFErWIsbRGctepl4pbCWqh2hNTw9btSgVfeY6uGCOsdy9E=]"
+      "CODECOV_TOKEN": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:ks2/ElgxwgxqgmFcxTHANNLmj23YH74h:U4uzRONRfiQyqy6HrPQ/e7OnBUY4HkW37R0iekkF3KJ9UGnHqT1UvwgVbDqLahtDIJ4rWw==]",
+      "CRATES_IO_TOKEN": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:lKMh3aLW+jyRrfS/c7yvkpB+TaPhXqLq:j0v27EbaPgwRdHZAbsM0FlAnt3r9ScQrFbWJYOAZtM3qestEiByTlKpZ0eyF/823]",
+      "GITHUB_TOKEN": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:Ll78c3jGpYqnTwR7HJq3mNNUC7pOv9Lu:GrInO2r8MjmP5c54szkyygdsrW5KQYkDgJQUVyFEPyG8SWfchyM9Gur8RV0a+cdwuxNkHLi4U2M=]",
+      "INFLUX_DATABASE": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:IlH/ZLTXv3SwlY3TVyAPCX2KzLRY6iG3:gGmUGSU/kCfR/mTwKONaUC/X]",
+      "INFLUX_PASSWORD": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:o2qm95GU4VrrcC4OU06jjPvCwKZy/CZF:OW2ga3kLOQJvaDEdGRJ+gn3L2ckFm8AJZtv9wj/GeUIKDH2A4uBPTHsAH9PMe6zujpuHGk3qbeg=]",
+      "INFLUX_USERNAME": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:yDWW/uIHsJqOTDYskZoSx3pzoB1vztWY:2z31oTA3g0Xs9fCczGNJRcx8xf/hFCed]",
+      "SOLANA_INSTALL_UPDATE_MANIFEST_KEYPAIR_x86_64_unknown_linux_gnu": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:RqRaHlYUvGPNFJa6gmciaYM3tRJTURUH:q78/3GTHCN3Uqx9z4nOBjPZcO1lOazNoB/mdhGRDFsnAqVd2hU8zbKkqLrZfLlGqyD8WQOFuw5oTJR9qWg6L9LcOyj3pGL8jWF2yjgZxdtNMXnkbSrCWLooWBBLT61jYQnEwg73gT8ld3Q8EVv3T+MeSMu6FnPz+0+bqQCAGgfqksP4hsUAJGzgZu+i0tNOdlT7fxnh5KJK/yFM/CKgN2sRwEjukA9hXsffyB61g2zqzTDJxCUDLbCVrCkA/bfUk7Of/t0W5t0nK1H3oyGZEc/lRMauCknDBka3Gz11dVss2QT19WQNh0u7bHVaT/U4lepX1j9Zv]",
+      "SOLANA_INSTALL_UPDATE_MANIFEST_KEYPAIR_x86_64_apple_darwin": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:wFDl3INEnA3EQDHRX40avqGe1OMoJxyy:6ncCRVRTIRuYI5o/gayeuWCudWvmKNYr8KEHAWeTq34a5bdcKInBdKhjmjX+wLHqsEwQ5gcyhcxy4Ri2mbuN6AHazfZOZlubQkGlyUOAIYO5D5jkbyIh40DAtjVzo1MD/0HsW9zdGOzqUKp5xJJeDsbR4F153jbxa7fvwF90Q4UQjYFTKAtExEmHtDGSJG48ToVwTabTV/OnISMIggDZBviIv2QWHvXgK07b2mUj34rHJywEDGN1nj5rITTDdUeRcB1x4BAMOe94kTFPSTaj/OszvYlGECt8rkKFqbm092qL+XLfiBaImqe/WJHRCnAj6Don]",
+      "SOLANA_INSTALL_UPDATE_MANIFEST_KEYPAIR_x86_64_pc_windows_msvc": "EJ[1:8iZ6baJB4fbBV+XDsrUooyGAnGL/8Ol+4Qd0zKh5YjI=:wAh+dBuZopv6vruVOYegUcq/aBnbksT1:qIJfCfDvDWiqicMOkmbJs/0n7UJLKNmgMQaKzeQ8J7Q60YpXbtWzKVW3tS6lzlgf64m3MrPXyo1C+mWh6jkjsb18T/OfggZy1ZHM4AcsOC6/ldUkV5YtuxUQuAmd5jCuV/R7iuYY8Z66AcfAevlb+bnLpgIifdA8fh/IktOo58nZUQwZDdppAacmftsLc6Frn5Er6A6+EXpxK1nmnlmLJ4AJztqlh6X0r+JvE2O7qeoZUXrIegnkxo7Aay7I/dd8zdYpp7ICSiTEtfVN/xNIu/5QmTRU7gWoz7cPl9epq4aiEALzPOzb6KVOiRcsOg+TlFvLQ71Ik5o=]"
     }
 }

.github/stale.yml

@@ -1,7 +1,7 @@
 only: pulls
 
 # Number of days of inactivity before a pull request becomes stale
-daysUntilStale: 7
+daysUntilStale: 30
 
 # Number of days of inactivity before a stale pull request is closed
 daysUntilClose: 7

.gitignore

@@ -1,6 +1,5 @@
 /book/html/
 /book/src/tests.ok
-/book/src/.gitbook/assets/*.svg
 /farf/
 /solana-release/
 /solana-release.tar.bz2
@@ -16,7 +15,6 @@
 # log files
 *.log
 log-*.txt
-log-*/
 
 # intellij files
 /.idea/

.mergify.yml

@@ -19,6 +19,46 @@ pull_request_rules:
       label:
         add:
           - automerge
+  - name: v0.16 backport
+    conditions:
+      - base=master
+      - label=v0.16
+    actions:
+      backport:
+        branches:
+          - v0.16
+  - name: v0.17 backport
+    conditions:
+      - base=master
+      - label=v0.17
+    actions:
+      backport:
+        branches:
+          - v0.17
+  - name: v0.18 backport
+    conditions:
+      - base=master
+      - label=v0.18
+    actions:
+      backport:
+        branches:
+          - v0.18
+  - name: v0.19 backport
+    conditions:
+      - base=master
+      - label=v0.19
+    actions:
+      backport:
+        branches:
+          - v0.19
+  - name: v0.20 backport
+    conditions:
+      - base=master
+      - label=v0.20
+    actions:
+      backport:
+        branches:
+          - v0.20
   - name: v0.21 backport
     conditions:
       - base=master
@@ -35,11 +75,3 @@ pull_request_rules:
       backport:
         branches:
           - v0.22
-  - name: v0.23 backport
-    conditions:
-      - base=master
-      - label=v0.23
-    actions:
-      backport:
-        branches:
-          - v0.23

.travis.yml

@@ -3,10 +3,11 @@ os:
 
 language: rust
 rust:
-  - stable
+  - 1.37.0
 
 install:
   - source ci/rust-version.sh
+  - test $rust_stable = $TRAVIS_RUST_VERSION # Update .travis.yml rust version above when this fails
 
 script:
   - source ci/env.sh
@@ -15,7 +16,7 @@ script:
 branches:
   only:
     - master
-    - /^v\d+\.\d+/
+    - /^v\d+\.\d+$/
 
 notifications:
   slack:

CONTRIBUTING.md

@@ -1,41 +1,23 @@
-# Solana Coding Guidelines
+Solana Coding Guidelines
+===
 
-The goal of these guidelines is to improve developer productivity by allowing
-developers to jump into any file in the codebase and not need to adapt to
-inconsistencies in how the code is written. The codebase should appear as if it
-had been authored by a single developer. If you don't agree with a convention,
-submit a PR patching this document and let's discuss! Once the PR is accepted,
-*all* code should be updated as soon as possible to reflect the new
+The goal of these guidelines is to improve developer productivity by allowing developers to
+jump any file in the codebase and not need to adapt to inconsistencies in how the code is
+written. The codebase should appear as if it had been authored by a single developer. If you
+don't agree with a convention, submit a PR patching this document and let's discuss! Once
+the PR is accepted, *all* code should be updated as soon as possible to reflect the new
 conventions.
 
-## Pull Requests
+Pull Requests
+---
 
-Small, frequent PRs are much preferred to large, infrequent ones. A large PR is
-difficult to review, can block others from making progress, and can quickly get
-its author into "rebase hell". A large PR oftentimes arises when one change
-requires another, which requires another, and then another. When you notice
-those dependencies, put the fix into a commit of its own, then checkout a new
-branch, and cherry-pick it.
-
-```bash
-$ git commit -am "Fix foo, needed by bar"
-$ git checkout master
-$ git checkout -b fix-foo
-$ git cherry-pick fix-bar
-$ git push --set-upstream origin fix-foo
-```
-
-Open a PR to start the review process and then jump back to your original
-branch to keep making progress. Consider rebasing to make your fix the first
-commit:
-
-```bash
-$ git checkout fix-bar
-$ git rebase -i master <Move fix-foo to top>
-```
-
-Once the commit is merged, rebase the original branch to purge the
-cherry-picked commit:
+Small, frequent PRs are much preferred to large, infrequent ones. A large PR is difficult
+to review, can block others from making progress, and can quickly get its author into
+"rebase hell". A large PR oftentimes arises when one change requires another, which requires
+another, and then another. When you notice those dependencies, put the fix into a commit of
+its own, then checkout a new branch, and cherrypick it. Open a PR to start the review
+process and then jump back to your original branch to keep making progress. Once the commit
+is merged, you can use git-rebase to purge it from your original branch.
 
 ```bash
 $ git pull --rebase upstream master
@@ -43,137 +25,26 @@ $ git pull --rebase upstream master
 
 ### How big is too big?
 
-If there are no functional changes, PRs can be very large and that's no
-problem. If, however, your changes are making meaningful changes or additions,
-then about 1,000 lines of changes is about the most you should ask a Solana
-maintainer to review.
+If there are no functional changes, PRs can be very large and that's no problem. If,
+however, your changes are making meaningful changes or additions, then about 1,000 lines of
+changes is about the most you should ask a Solana maintainer to review.
 
 ### Should I send small PRs as I develop large, new components?
 
-Add only code to the codebase that is ready to be deployed. If you are building
-a large library, consider developing it in a separate git repository. When it
-is ready to be integrated, the Solana maintainers will work with you to decide
-on a path forward. Smaller libraries may be copied in whereas very large ones
-may be pulled in with a package manager.
-
-## Getting Pull Requests Merged
-
-There is no single person assigned to watching GitHub PR queue and ushering you
-through the process. Typically, you will ask the person that wrote a component
-to review changes to it. You can find the author using `git blame` or asking on
-Discord.  When working to get your PR merged, it's most important to understand
-that changing the code is your priority and not necessarily a priority of the
-person you need an approval from. Also, while you may interact the most with
-the component author, you should aim to be inclusive of others. Providing a
-detailed problem description is the most effective means of engaging both the
-component author and other potentially interested parties.
-
-Consider opening all PRs as Draft Pull Requests first. Using a draft PR allows
-you to kickstart the CI automation, which typically takes between 10 and 30
-minutes to execute. Use that time to write a detailed problem description. Once
-the description is written and CI succeeds, click the "Ready to Review" button
-and add reviewers. Adding reviewers before CI succeeds is a fast path to losing
-reviewer engagement. Not only will they be notified and see the PR is not yet
-ready for them, they will also be bombarded them with additional notifications
-each time you push a commit to get past CI or until they "mute" the PR. Once
-muted, you'll need to reach out over some other medium, such as Discord, to
-request they have another look. When you use draft PRs, no notifications are
-sent when you push commits and edit the PR description. Use draft PRs
-liberally.  Don't bug the humans until you have gotten past the bots.
-
-### What should be in my PR description?
-
-Reviewing code is hard work and generally involves an attempt to guess the
-author's intent at various levels. Please assume reviewer time is scarce and do
-what you can to make your PR as consumable as possible. Inspired by techniques
-for writing good whitepapers, the guidance here aims to maximize reviewer
-engagement.
-
-Assume the reviewer will spend no more than a few seconds reading the PR title.
-If it doesn't describe a noteworthy change, don't expect the reviewer to click
-to see more.
-
-Next, like the abstract of a whitepaper, the reviewer will spend ~30 seconds
-reading the PR problem description. If what is described there doesn't look
-more important than competing issues, don't expect the reviewer to read on.
-
-Next, the reviewer will read the proposed changes. At this point, the reviewer
-needs to be convinced the proposed changes are a *good* solution to the problem
-described above.  If the proposed changes, not the code changes, generates
-discussion, consider closing the PR and returning with a design proposal
-instead.
-
-Finally, once the reviewer understands the problem and agrees with the approach
-to solving it, the reviewer will view the code changes. At this point, the
-reviewer is simply looking to see if the implementation actually implements
-what was proposed and if that implementation is maintainable. When a concise,
-readable test for each new code path is present, the reviewer can safely ignore
-the details of its implementation. When those tests are missing, expect to
-either lose engagement or get a pile of review comments as the reviewer
-attempts to consider every ambiguity in your implementation.
-
-### The PR Title
-
-The PR title should contain a brief summary of the change, from the perspective
-of the user. Examples of good titles:
-
-* Add rent to accounts
-* Fix out-of-memory error in validator
-* Clean up `process_message()` in runtime
-
-The conventions here are all the same as a good git commit title:
-
-* First word capitalized and in the imperative mood, not past tense ("add", not
-  "added")
-* No trailing period
-* What was done, whom it was done to, and in what context
-
-### The PR Problem Statement
-
-The git repo implements a product with various features. The problem statement
-should describe how the product is missing a feature, how a feature is
-incomplete, or how the implementation of a feature is somehow undesirable. If
-an issue being fixed already describes the problem, go ahead and copy-paste it.
-As mentioned above, reviewer time is scarce. Given a queue of PRs to review,
-the reviewer may ignore PRs that expect them to click through links to see if
-the PR warrants attention.
-
-### The Proposed Changes
-
-Typically the content under the "Proposed changes" section will be a bulleted
-list of steps taken to solve the problem. Oftentimes, the list is identical to
-the subject lines of the git commits contained in the PR. It's especially
-generous (and not expected) to rebase or reword commits such that each change
-matches the logical flow in your PR description.
+Add only code to the codebase that is ready to be deployed. If you are building a large
+library, consider developing it in a separate git repository. When it is ready to be
+integrated, the Solana maintainers will work with you to decide on a path forward. Smaller
+libraries may be copied in whereas very large ones may be pulled in with a package manager.
 
 ### When will my PR be reviewed?
 
-PRs are typically reviewed and merged in under 7 days. If your PR has been open
-for longer, it's a strong indicator that the reviewers aren't confident the
-change meets the quality standards of the codebase. You might consider closing
-it and coming back with smaller PRs and longer descriptions detailing what
-problem it solves and how it solves it. Old PRs will be marked stale and then
-closed automatically 7 days later.
+PRs are typically reviewed and merged in under 7 days. If your PR has been open for longer,
+it's a strong indicator that the reviewers aren't confident the change meets the quality
+standards of the codebase. You might consider closing it and coming back with smaller PRs
+and longer descriptions detailing what problem it solves and how it solves it.
 
-### How to manage review feedback?
-
-After a reviewer provides feedback, you can quickly say "acknowledged, will
-fix" using a thumb's up emoji. If you're confident your fix is exactly as
-prescribed, add a reply "Fixed in COMMIT\_HASH" and mark the comment as
-resolved. If you're not sure, reply "Is this what you had in mind?
-COMMIT\_HASH" and if so, the reviewer will reply and mark the conversation as
-resolved. Marking conversations as resolved is an excellent way to engage more
-reviewers. Leaving conversations open may imply the PR is not yet ready for
-additional review.
-
-### When will my PR be re-reviewed?
-
-Recall that once your PR is opened, a notification is sent every time you push
-a commit.  After a reviewer adds feedback, they won't be checking on the status
-of that feedback after every new commit. Instead, directly mention the reviewer
-when you feel your PR is ready for another pass.
-
-## Draft Pull Requests
+Draft Pull Requests
+---
 
 If you want early feedback on your PR, use GitHub's "Draft Pull Request"
 mechanism. Draft PRs are a convenient way to collaborate with the Solana
@@ -181,69 +52,67 @@ maintainers without triggering notifications as you make changes. When you feel
 your PR is ready for a broader audience, you can transition your draft PR to a
 standard PR with the click of a button.
 
-Do not add reviewers to draft PRs.  GitHub doesn't automatically clear
-approvals when you click "Ready for Review", so a review that meant "I approve
-of the direction" suddenly has the appearance of "I approve of these changes."
-Instead, add a comment that mentions the usernames that you would like a review
-from. Ask explicitly what you would like feedback on.
+Do not add reviewers to draft PRs.  GitHub doesn't automatically clear approvals
+when you click "Ready for Review", so a review that meant "I approve of the
+direction" suddenly has the appearance of "I approve of these changes." Instead,
+add a comment that mentions the usernames that you would like a review from. Ask
+explicitly what you would like feedback on.
 
-## Rust coding conventions
+Rust coding conventions
+---
 
-* All Rust code is formatted using the latest version of `rustfmt`. Once
-  installed, it will be updated automatically when you update the compiler with
-`rustup`.
+* All Rust code is formatted using the latest version of `rustfmt`. Once installed, it will be
+  updated automatically when you update the compiler with `rustup`.
 
-* All Rust code is linted with Clippy. If you'd prefer to ignore its advice, do
-  so explicitly:
+* All Rust code is linted with Clippy. If you'd prefer to ignore its advice, do so explicitly:
 
-  ```rust #[allow(clippy::too_many_arguments)] ```
+  ```rust
+  #[allow(clippy::too_many_arguments)]
+  ```
 
   Note: Clippy defaults can be overridden in the top-level file `.clippy.toml`.
 
-* For variable names, when in doubt, spell it out. The mapping from type names
-  to variable names is to lowercase the type name, putting an underscore before
-each capital letter. Variable names should *not* be abbreviated unless being
-used as closure arguments and the brevity improves readability. When a function
-has multiple instances of the same type, qualify each with a prefix and
-underscore (i.e. alice\_keypair) or a numeric suffix (i.e. tx0).
+* For variable names, when in doubt, spell it out. The mapping from type names to variable names
+  is to lowercase the type name, putting an underscore before each capital letter. Variable names
+  should *not* be abbreviated unless being used as closure arguments and the brevity improves
+  readability. When a function has multiple instances of the same type, qualify each with a
+  prefix and underscore (i.e. alice_keypair) or a numeric suffix (i.e. tx0).
 
-* For function and method names, use `<verb>_<subject>`. For unit tests, that
-  verb should always be `test` and for benchmarks the verb should always be
-`bench`. Avoid namespacing function names with some arbitrary word. Avoid
-abbreviating words in function names.
+* For function and method names, use `<verb>_<subject>`. For unit tests, that verb should
+  always be `test` and for benchmarks the verb should always be `bench`. Avoid namespacing
+  function names with some arbitrary word. Avoid abbreviating words in function names.
 
-* As they say, "When in Rome, do as the Romans do." A good patch should
-  acknowledge the coding conventions of the code that surrounds it, even in the
-case where that code has not yet been updated to meet the conventions described
-here.
+* As they say, "When in Rome, do as the Romans do." A good patch should acknowledge the coding
+  conventions of the code that surrounds it, even in the case where that code has not yet been
+  updated to meet the conventions described here.
 
 
-## Terminology
+Terminology
+---
 
-Inventing new terms is allowed, but should only be done when the term is widely
-used and understood. Avoid introducing new 3-letter terms, which can be
-confused with 3-letter acronyms.
+Inventing new terms is allowed, but should only be done when the term is widely used and
+understood. Avoid introducing new 3-letter terms, which can be confused with 3-letter acronyms.
 
 [Terms currently in use](book/src/terminology.md)
 
 
-## Design Proposals
+Design Proposals
+---
 
 Solana's architecture is described by a book generated from markdown files in
 the `book/src/` directory, maintained by an *editor* (currently @garious). To
 add a design proposal, you'll need to at least propose a change the content
 under the [Accepted Design
-Proposals](https://docs.solana.com/book/v/master/proposals) chapter.  Here's
-the full process:
+Proposals](https://docs.solana.com/book/v/master/proposals) chapter.
+Here's the full process:
 
 1. Propose a design by creating a PR that adds a markdown document to the
    directory `book/src/` and references it from the [table of
-   contents](book/src/SUMMARY.md). Add any relevant *maintainers* to the PR
-   review.
+   contents](book/src/SUMMARY.md). Add any relevant *maintainers* to the PR review.
 2. The PR being merged indicates your proposed change was accepted and that the
    maintainers support your plan of attack.
 3. Submit PRs that implement the proposal. When the implementation reveals the
-   need for tweaks to the proposal, be sure to update the proposal and have that
-   change reviewed by the same people as in step 1.
+   need for tweaks to the proposal, be sure to update the proposal and have
+   that change reviewed by the same people as in step 1.
 4. Once the implementation is complete, submit a PR that moves the link from
    the Accepted Proposals to the Implemented Proposals section.

Cargo.toml

@@ -1,59 +1,127 @@
 [workspace]
-members = [
+# The members list excluding the `validator-cuda` crate
+default-members = [
     "bench-exchange",
     "bench-streamer",
     "bench-tps",
-    "banking-bench",
+    "banking_bench",
     "chacha-sys",
     "client",
     "core",
-    "faucet",
-    "perf",
+    "drone",
     "validator",
     "genesis",
-    "genesis-programs",
+    "genesis_programs",
     "gossip",
     "install",
     "keygen",
-    "ledger",
+    "kvstore",
     "ledger-tool",
-    "local-cluster",
+    "local_cluster",
     "logger",
-    "log-analyzer",
     "merkle-tree",
     "measure",
     "metrics",
-    "net-shaper",
-    "programs/bpf_loader",
-    "programs/budget",
-    "programs/btc_spv",
+    "programs/bpf_loader_api",
+    "programs/bpf_loader_program",
+    "programs/budget_api",
+    "programs/budget_program",
+    "programs/btc_spv_program",
+    "programs/btc_spv_api",
     "programs/btc_spv_bin",
-    "programs/config",
-    "programs/exchange",
-    "programs/failure",
-    "programs/noop",
-    "programs/ownable",
-    "programs/stake",
-    "programs/storage",
-    "programs/vest",
-    "programs/vote",
-    "archiver",
+    "programs/config_api",
+    "programs/config_program",
+    "programs/config_tests",
+    "programs/exchange_api",
+    "programs/exchange_program",
+    "programs/failure_program",
+    "programs/move_loader_api",
+    "programs/move_loader_program",
+    "programs/librapay_api",
+    "programs/noop_program",
+    "programs/stake_api",
+    "programs/stake_program",
+    "programs/stake_tests",
+    "programs/storage_api",
+    "programs/storage_program",
+    "programs/token_api",
+    "programs/token_program",
+    "programs/vote_api",
+    "programs/vote_program",
+    "replicator",
     "runtime",
     "sdk",
     "sdk-c",
-    "scripts",
-    "sys-tuner",
     "upload-perf",
-    "net-utils",
+    "netutil",
     "fixed-buf",
     "vote-signer",
     "cli",
     "rayon-threadlimit",
-    "watchtower",
+]
+
+# The default-members list and the `validator-cuda` crate
+members = [
+    "bench-exchange",
+    "bench-streamer",
+    "bench-tps",
+    "banking_bench",
+    "chacha-sys",
+    "client",
+    "core",
+    "drone",
+    "validator",
+    "genesis",
+    "genesis_programs",
+    "gossip",
+    "install",
+    "keygen",
+    "kvstore",
+    "ledger-tool",
+    "local_cluster",
+    "logger",
+    "merkle-tree",
+    "measure",
+    "metrics",
+    "programs/bpf_loader_api",
+    "programs/bpf_loader_program",
+    "programs/budget_api",
+    "programs/budget_program",
+    "programs/btc_spv_program",
+    "programs/btc_spv_api",
+    "programs/btc_spv_bin",
+    "programs/config_api",
+    "programs/config_program",
+    "programs/config_tests",
+    "programs/exchange_api",
+    "programs/exchange_program",
+    "programs/failure_program",
+    "programs/move_loader_api",
+    "programs/move_loader_program",
+    "programs/librapay_api",
+    "programs/noop_program",
+    "programs/stake_api",
+    "programs/stake_program",
+    "programs/stake_tests",
+    "programs/storage_api",
+    "programs/storage_program",
+    "programs/token_api",
+    "programs/token_program",
+    "programs/vote_api",
+    "programs/vote_program",
+    "replicator",
+    "runtime",
+    "sdk",
+    "sdk-c",
+    "upload-perf",
+    "netutil",
+    "fixed-buf",
+    "vote-signer",
+    "cli",
+    "rayon-threadlimit",
+    "validator-cuda",
 ]
 
 exclude = [
     "programs/bpf",
-    "programs/move_loader",
-    "programs/librapay",
 ]

README.md

@@ -78,7 +78,7 @@ $ source $HOME/.cargo/env
 $ rustup component add rustfmt
 ```
 
-If your rustc version is lower than 1.39.0, please update it:
+If your rustc version is lower than 1.37.0, please update it:
 
 ```bash
 $ rustup update

RELEASE.md

@@ -138,7 +138,7 @@ There are three release channels that map to branches as follows:
 ### Update documentation
 TODO: Documentation update procedure is WIP as we move to gitbook
 
-Document the new recommended version by updating `book/src/running-archiver.md` and `book/src/validator-testnet.md` on the release (beta) branch to point at the `solana-install` for the upcoming release version.
+Document the new recommended version by updating `book/src/running-replicator.md` and `book/src/validator-testnet.md` on the release (beta) branch to point at the `solana-install` for the upcoming release version.
 
 #### Publish updated Book
 We maintain three copies of the "book" as official documentation:

archiver/Cargo.toml

@@ -1,19 +0,0 @@
-[package]
-authors = ["Solana Maintainers <maintainers@solana.com>"]
-edition = "2018"
-name = "solana-archiver"
-version = "0.22.10"
-repository = "https://github.com/solana-labs/solana"
-license = "Apache-2.0"
-homepage = "https://solana.com/"
-
-[dependencies]
-clap = "2.33.0"
-console = "0.9.1"
-solana-clap-utils = { path = "../clap-utils", version = "0.22.10" }
-solana-core = { path = "../core", version = "0.22.10" }
-solana-logger = { path = "../logger", version = "0.22.10" }
-solana-metrics = { path = "../metrics", version = "0.22.10" }
-solana-net-utils = { path = "../net-utils", version = "0.22.10" }
-solana-sdk = { path = "../sdk", version = "0.22.10" }
-

archiver/src/main.rs

@@ -1,147 +0,0 @@
-use clap::{crate_description, crate_name, App, Arg};
-use console::style;
-use solana_clap_utils::{
-    input_validators::is_keypair,
-    keypair::{
-        self, keypair_input, KeypairWithSource, ASK_SEED_PHRASE_ARG,
-        SKIP_SEED_PHRASE_VALIDATION_ARG,
-    },
-};
-use solana_core::{
-    archiver::Archiver,
-    cluster_info::{Node, VALIDATOR_PORT_RANGE},
-    contact_info::ContactInfo,
-};
-use solana_sdk::{commitment_config::CommitmentConfig, signature::KeypairUtil};
-use std::{net::SocketAddr, path::PathBuf, process::exit, sync::Arc};
-
-fn main() {
-    solana_logger::setup();
-
-    let matches = App::new(crate_name!())
-        .about(crate_description!())
-        .version(solana_clap_utils::version!())
-        .arg(
-            Arg::with_name("identity_keypair")
-                .short("i")
-                .long("identity-keypair")
-                .value_name("PATH")
-                .takes_value(true)
-                .validator(is_keypair)
-                .help("File containing an identity (keypair)"),
-        )
-        .arg(
-            Arg::with_name("entrypoint")
-                .short("n")
-                .long("entrypoint")
-                .value_name("HOST:PORT")
-                .takes_value(true)
-                .required(true)
-                .validator(solana_net_utils::is_host_port)
-                .help("Rendezvous with the cluster at this entry point"),
-        )
-        .arg(
-            Arg::with_name("ledger")
-                .short("l")
-                .long("ledger")
-                .value_name("DIR")
-                .takes_value(true)
-                .required(true)
-                .help("use DIR as persistent ledger location"),
-        )
-        .arg(
-            Arg::with_name("storage_keypair")
-                .short("s")
-                .long("storage-keypair")
-                .value_name("PATH")
-                .takes_value(true)
-                .validator(is_keypair)
-                .help("File containing the storage account keypair"),
-        )
-        .arg(
-            Arg::with_name(ASK_SEED_PHRASE_ARG.name)
-                .long(ASK_SEED_PHRASE_ARG.long)
-                .value_name("KEYPAIR NAME")
-                .multiple(true)
-                .takes_value(true)
-                .possible_values(&["identity-keypair", "storage-keypair"])
-                .help(ASK_SEED_PHRASE_ARG.help),
-        )
-        .arg(
-            Arg::with_name(SKIP_SEED_PHRASE_VALIDATION_ARG.name)
-                .long(SKIP_SEED_PHRASE_VALIDATION_ARG.long)
-                .requires(ASK_SEED_PHRASE_ARG.name)
-                .help(SKIP_SEED_PHRASE_VALIDATION_ARG.help),
-        )
-        .get_matches();
-
-    let ledger_path = PathBuf::from(matches.value_of("ledger").unwrap());
-
-    let identity_keypair = keypair_input(&matches, "identity_keypair")
-        .unwrap_or_else(|err| {
-            eprintln!("Identity keypair input failed: {}", err);
-            exit(1);
-        })
-        .keypair;
-    let KeypairWithSource {
-        keypair: storage_keypair,
-        source: storage_keypair_source,
-    } = keypair_input(&matches, "storage_keypair").unwrap_or_else(|err| {
-        eprintln!("Storage keypair input failed: {}", err);
-        exit(1);
-    });
-    if storage_keypair_source == keypair::Source::Generated {
-        clap::Error::with_description(
-            "The `storage-keypair` argument was not found",
-            clap::ErrorKind::ArgumentNotFound,
-        )
-        .exit();
-    }
-
-    let entrypoint_addr = matches
-        .value_of("entrypoint")
-        .map(|entrypoint| {
-            solana_net_utils::parse_host_port(entrypoint)
-                .expect("failed to parse entrypoint address")
-        })
-        .unwrap();
-
-    let gossip_addr = {
-        let ip = solana_net_utils::get_public_ip_addr(&entrypoint_addr).unwrap();
-        let mut addr = SocketAddr::new(ip, 0);
-        addr.set_ip(solana_net_utils::get_public_ip_addr(&entrypoint_addr).unwrap());
-        addr
-    };
-    let node = Node::new_archiver_with_external_ip(
-        &identity_keypair.pubkey(),
-        &gossip_addr,
-        VALIDATOR_PORT_RANGE,
-    );
-
-    println!(
-        "{} version {} (branch={}, commit={})",
-        style(crate_name!()).bold(),
-        solana_clap_utils::version!(),
-        option_env!("CI_BRANCH").unwrap_or("unknown"),
-        option_env!("CI_COMMIT").unwrap_or("unknown")
-    );
-    solana_metrics::set_host_id(identity_keypair.pubkey().to_string());
-    println!(
-        "replicating the data with identity_keypair={:?} gossip_addr={:?}",
-        identity_keypair.pubkey(),
-        gossip_addr
-    );
-
-    let entrypoint_info = ContactInfo::new_gossip_entry_point(&entrypoint_addr);
-    let archiver = Archiver::new(
-        &ledger_path,
-        node,
-        entrypoint_info,
-        Arc::new(identity_keypair),
-        Arc::new(storage_keypair),
-        CommitmentConfig::recent(),
-    )
-    .unwrap();
-
-    archiver.join();
-}

banking-bench/Cargo.toml

@@ -1,20 +0,0 @@
-[package]
-authors = ["Solana Maintainers <maintainers@solana.com>"]
-edition = "2018"
-name = "solana-banking-bench"
-version = "0.22.10"
-repository = "https://github.com/solana-labs/solana"
-license = "Apache-2.0"
-homepage = "https://solana.com/"
-
-[dependencies]
-log = "0.4.6"
-rayon = "1.2.0"
-solana-core = { path = "../core", version = "0.22.10" }
-solana-ledger = { path = "../ledger", version = "0.22.10" }
-solana-logger = { path = "../logger", version = "0.22.10" }
-solana-runtime = { path = "../runtime", version = "0.22.10" }
-solana-measure = { path = "../measure", version = "0.22.10" }
-solana-sdk = { path = "../sdk", version = "0.22.10" }
-rand = "0.6.5"
-crossbeam-channel = "0.3"

banking_bench/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+authors = ["Solana Maintainers <maintainers@solana.com>"]
+edition = "2018"
+name = "solana-banking-bench"
+version = "0.19.0-pre0"
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+
+[dependencies]
+log = "0.4.6"
+rayon = "1.2.0"
+solana-core = { path = "../core", version = "0.19.0-pre0" }
+solana-logger = { path = "../logger", version = "0.19.0-pre0" }
+solana-runtime = { path = "../runtime", version = "0.19.0-pre0" }
+solana-measure = { path = "../measure", version = "0.19.0-pre0" }
+solana-sdk = { path = "../sdk", version = "0.19.0-pre0" }
+rand = "0.6.5"
+crossbeam-channel = "0.3"

banking_bench/src/main.rs

@@ -1,16 +1,21 @@
+#[macro_use]
+extern crate solana_core;
+extern crate crossbeam_channel;
+
 use crossbeam_channel::unbounded;
 use log::*;
 use rand::{thread_rng, Rng};
 use rayon::prelude::*;
+use solana_core::bank_forks::BankForks;
 use solana_core::banking_stage::{create_test_recorder, BankingStage};
+use solana_core::blocktree::{get_tmp_ledger_path, Blocktree};
 use solana_core::cluster_info::ClusterInfo;
 use solana_core::cluster_info::Node;
-use solana_core::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+use solana_core::genesis_utils::{create_genesis_block, GenesisBlockInfo};
 use solana_core::packet::to_packets_chunked;
 use solana_core::poh_recorder::PohRecorder;
 use solana_core::poh_recorder::WorkingBankEntry;
-use solana_ledger::bank_forks::BankForks;
-use solana_ledger::{blockstore::Blockstore, get_tmp_ledger_path};
+use solana_core::service::Service;
 use solana_measure::measure::Measure;
 use solana_runtime::bank::Bank;
 use solana_sdk::hash::Hash;
@@ -20,6 +25,7 @@ use solana_sdk::signature::Signature;
 use solana_sdk::system_transaction;
 use solana_sdk::timing::{duration_as_us, timestamp};
 use solana_sdk::transaction::Transaction;
+use std::iter;
 use std::sync::atomic::Ordering;
 use std::sync::mpsc::Receiver;
 use std::sync::{Arc, Mutex, RwLock};
@@ -35,7 +41,7 @@ fn check_txs(
     let now = Instant::now();
     let mut no_bank = false;
     loop {
-        if let Ok((_bank, (entry, _tick_height))) = receiver.recv_timeout(Duration::from_millis(10))
+        if let Ok((_bank, (entry, _tick_count))) = receiver.recv_timeout(Duration::from_millis(10))
         {
             total += entry.transactions.len();
         }
@@ -97,21 +103,21 @@ fn main() {
     const PACKETS_PER_BATCH: usize = 192;
     let txes = PACKETS_PER_BATCH * num_threads * CHUNKS;
     let mint_total = 1_000_000_000_000;
-    let GenesisConfigInfo {
-        genesis_config,
+    let GenesisBlockInfo {
+        genesis_block,
         mint_keypair,
         ..
-    } = create_genesis_config(mint_total);
+    } = create_genesis_block(mint_total);
 
     let (verified_sender, verified_receiver) = unbounded();
     let (vote_sender, vote_receiver) = unbounded();
-    let bank0 = Bank::new(&genesis_config);
+    let bank0 = Bank::new(&genesis_block);
     let mut bank_forks = BankForks::new(0, bank0);
     let mut bank = bank_forks.working_bank();
 
     info!("threads: {} txs: {}", num_threads, txes);
 
-    let mut transactions = make_accounts_txs(txes, &mint_keypair, genesis_config.hash());
+    let mut transactions = make_accounts_txs(txes, &mint_keypair, genesis_block.hash());
 
     // fund all the accounts
     transactions.iter().for_each(|tx| {
@@ -119,7 +125,7 @@ fn main() {
             &mint_keypair,
             &tx.message.account_keys[0],
             mint_total / txes as u64,
-            genesis_config.hash(),
+            genesis_block.hash(),
         );
         let x = bank.process_transaction(&fund);
         x.unwrap();
@@ -136,22 +142,27 @@ fn main() {
         assert!(r.is_ok(), "sanity parallel execution");
     }
     bank.clear_signatures();
-    let mut verified: Vec<_> = to_packets_chunked(&transactions.clone(), PACKETS_PER_BATCH);
+    let mut verified: Vec<_> = to_packets_chunked(&transactions.clone(), PACKETS_PER_BATCH)
+        .into_iter()
+        .map(|x| {
+            let len = x.packets.len();
+            (x, iter::repeat(1).take(len).collect())
+        })
+        .collect();
     let ledger_path = get_tmp_ledger_path!();
     {
-        let blockstore = Arc::new(
-            Blockstore::open(&ledger_path).expect("Expected to be able to open database ledger"),
+        let blocktree = Arc::new(
+            Blocktree::open(&ledger_path).expect("Expected to be able to open database ledger"),
         );
         let (exit, poh_recorder, poh_service, signal_receiver) =
-            create_test_recorder(&bank, &blockstore, None);
+            create_test_recorder(&bank, &blocktree);
         let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
         let cluster_info = Arc::new(RwLock::new(cluster_info));
-        let banking_stage = BankingStage::new(
+        let _banking_stage = BankingStage::new(
             &cluster_info,
             &poh_recorder,
             verified_receiver,
             vote_receiver,
-            None,
         );
         poh_recorder.lock().unwrap().set_bank(&bank);
 
@@ -162,6 +173,7 @@ fn main() {
         // If it is dropped before poh_service, then poh_service will error when
         // calling send() on the channel.
         let signal_receiver = Arc::new(signal_receiver);
+        let signal_receiver2 = signal_receiver.clone();
         let mut total = 0;
         let mut tx_total = 0;
         let mut txs_processed = 0;
@@ -197,7 +209,7 @@ fn main() {
                     index,
                 );
                 for xv in v {
-                    sent += xv.packets.len();
+                    sent += xv.0.packets.len();
                 }
                 verified_sender.send(v.to_vec()).unwrap();
             }
@@ -214,7 +226,7 @@ fn main() {
                     sleep(Duration::from_millis(5));
                 }
             }
-            if check_txs(&signal_receiver, txes / CHUNKS, &poh_recorder) {
+            if check_txs(&signal_receiver2, txes / CHUNKS, &poh_recorder) {
                 debug!(
                     "resetting bank {} tx count: {} txs_proc: {}",
                     bank.slot(),
@@ -276,7 +288,13 @@ fn main() {
                     let sig: Vec<u8> = (0..64).map(|_| thread_rng().gen()).collect();
                     tx.signatures[0] = Signature::new(&sig[0..64]);
                 }
-                verified = to_packets_chunked(&transactions.clone(), PACKETS_PER_BATCH);
+                verified = to_packets_chunked(&transactions.clone(), PACKETS_PER_BATCH)
+                    .into_iter()
+                    .map(|x| {
+                        let len = x.packets.len();
+                        (x, iter::repeat(1).take(len).collect())
+                    })
+                    .collect();
             }
 
             start += chunk_len;
@@ -291,14 +309,11 @@ fn main() {
             tx_total / ITERS as u64,
         );
 
-        drop(verified_sender);
         drop(vote_sender);
         exit.store(true, Ordering::Relaxed);
-        banking_stage.join().unwrap();
-        debug!("waited for banking_stage");
         poh_service.join().unwrap();
         sleep(Duration::from_secs(1));
         debug!("waited for poh_service");
     }
-    let _unused = Blockstore::destroy(&ledger_path);
+    let _unused = Blocktree::destroy(&ledger_path);
 }

bench-exchange/Cargo.toml

@@ -2,40 +2,38 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-exchange"
-version = "0.22.10"
+version = "0.19.0-pre0"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 publish = false
 
 [dependencies]
-bincode = "1.2.1"
+bincode = "1.1.4"
 bs58 = "0.3.0"
 clap = "2.32.0"
-env_logger = "0.7.1"
-itertools = "0.8.2"
+env_logger = "0.6.2"
+itertools = "0.8.0"
 log = "0.4.8"
-num-derive = "0.3"
+num-derive = "0.2"
 num-traits = "0.2"
 rand = "0.6.5"
 rayon = "1.2.0"
-serde = "1.0.104"
-serde_derive = "1.0.103"
-serde_json = "1.0.44"
-serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "0.22.10" }
-solana-core = { path = "../core", version = "0.22.10" }
-solana-genesis = { path = "../genesis", version = "0.22.10" }
-solana-client = { path = "../client", version = "0.22.10" }
-solana-faucet = { path = "../faucet", version = "0.22.10" }
-solana-exchange-program = { path = "../programs/exchange", version = "0.22.10" }
-solana-logger = { path = "../logger", version = "0.22.10" }
-solana-metrics = { path = "../metrics", version = "0.22.10" }
-solana-net-utils = { path = "../net-utils", version = "0.22.10" }
-solana-runtime = { path = "../runtime", version = "0.22.10" }
-solana-sdk = { path = "../sdk", version = "0.22.10" }
+serde = "1.0.101"
+serde_derive = "1.0.101"
+serde_json = "1.0.40"
+serde_yaml = "0.8.9"
+# solana-runtime = { path = "../solana/runtime"}
+solana-core = { path = "../core", version = "0.19.0-pre0" }
+solana-genesis = { path = "../genesis", version = "0.19.0-pre0" }
+solana-client = { path = "../client", version = "0.19.0-pre0" }
+solana-drone = { path = "../drone", version = "0.19.0-pre0" }
+solana-exchange-api = { path = "../programs/exchange_api", version = "0.19.0-pre0" }
+solana-exchange-program = { path = "../programs/exchange_program", version = "0.19.0-pre0" }
+solana-logger = { path = "../logger", version = "0.19.0-pre0" }
+solana-metrics = { path = "../metrics", version = "0.19.0-pre0" }
+solana-netutil = { path = "../netutil", version = "0.19.0-pre0" }
+solana-runtime = { path = "../runtime", version = "0.19.0-pre0" }
+solana-sdk = { path = "../sdk", version = "0.19.0-pre0" }
 untrusted = "0.7.0"
-ws = "0.9.1"
-
-[dev-dependencies]
-solana-local-cluster = { path = "../local-cluster", version = "0.22.10" }
+ws = "0.9.0"

bench-exchange/README.md

@@ -360,7 +360,7 @@ The Matcher would initiate the following last swap:
 
   - Row 1, To:   Investor 1 trades 2 A token to 12 B tokens
   - Row 1, From: Investor 2 trades 2 A token from 12 B tokens
-  - Matcher takes 2 B tokens as profit
+  - Matcher takes 4 B tokens as profit
 
 Table becomes:
 

bench-exchange/src/bench.rs

@@ -7,36 +7,32 @@ use rand::{thread_rng, Rng};
 use rayon::prelude::*;
 use solana_client::perf_utils::{sample_txs, SampleStats};
 use solana_core::gen_keys::GenKeys;
-use solana_exchange_program::{exchange_instruction, exchange_state::*, id};
-use solana_faucet::faucet::request_airdrop_transaction;
-use solana_genesis::Base64Account;
+use solana_drone::drone::request_airdrop_transaction;
+use solana_exchange_api::exchange_instruction;
+use solana_exchange_api::exchange_state::*;
+use solana_exchange_api::id;
+use solana_genesis::PrimordialAccountDetails;
 use solana_metrics::datapoint_info;
-use solana_sdk::{
-    client::{Client, SyncClient},
-    commitment_config::CommitmentConfig,
-    pubkey::Pubkey,
-    signature::{Keypair, KeypairUtil},
-    timing::{duration_as_ms, duration_as_s},
-    transaction::Transaction,
-    {system_instruction, system_program},
-};
-use std::{
-    cmp,
-    collections::{HashMap, VecDeque},
-    fs::File,
-    io::prelude::*,
-    mem,
-    net::SocketAddr,
-    path::Path,
-    process::exit,
-    sync::{
-        atomic::{AtomicBool, AtomicUsize, Ordering},
-        mpsc::{channel, Receiver, Sender},
-        Arc, RwLock,
-    },
-    thread::{sleep, Builder},
-    time::{Duration, Instant},
-};
+use solana_sdk::client::Client;
+use solana_sdk::client::SyncClient;
+use solana_sdk::pubkey::Pubkey;
+use solana_sdk::signature::{Keypair, KeypairUtil};
+use solana_sdk::timing::{duration_as_ms, duration_as_s};
+use solana_sdk::transaction::Transaction;
+use solana_sdk::{system_instruction, system_program};
+use std::cmp;
+use std::collections::{HashMap, VecDeque};
+use std::fs::File;
+use std::io::prelude::*;
+use std::mem;
+use std::net::SocketAddr;
+use std::path::Path;
+use std::process::exit;
+use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
+use std::sync::mpsc::{channel, Receiver, Sender};
+use std::sync::{Arc, RwLock};
+use std::thread::{sleep, Builder};
+use std::time::{Duration, Instant};
 
 // TODO Chunk length as specified results in a bunch of failures, divide by 10 helps...
 // Assume 4MB network buffers, and 512 byte packets
@@ -93,7 +89,7 @@ pub fn create_client_accounts_file(
     keypairs.iter().for_each(|keypair| {
         accounts.insert(
             serde_json::to_string(&keypair.to_bytes().to_vec()).unwrap(),
-            Base64Account {
+            PrimordialAccountDetails {
                 balance: fund_amount,
                 executable: false,
                 owner: system_program::id().to_string(),
@@ -144,7 +140,8 @@ where
         let path = Path::new(&client_ids_and_stake_file);
         let file = File::open(path).unwrap();
 
-        let accounts: HashMap<String, Base64Account> = serde_yaml::from_reader(file).unwrap();
+        let accounts: HashMap<String, PrimordialAccountDetails> =
+            serde_yaml::from_reader(file).unwrap();
         accounts
             .into_iter()
             .map(|(keypair, _)| {
@@ -178,28 +175,19 @@ where
 
     info!("Generating {:?} account keys", total_keys);
     let mut account_keypairs = generate_keypairs(total_keys);
-    let src_keypairs: Vec<_> = account_keypairs
+    let src_pubkeys: Vec<_> = account_keypairs
         .drain(0..accounts_in_groups)
-        .map(|keypair| keypair)
-        .collect();
-    let src_pubkeys: Vec<Pubkey> = src_keypairs
-        .iter()
         .map(|keypair| keypair.pubkey())
         .collect();
-
-    let profit_keypairs: Vec<_> = account_keypairs
+    let profit_pubkeys: Vec<_> = account_keypairs
         .drain(0..accounts_in_groups)
-        .map(|keypair| keypair)
-        .collect();
-    let profit_pubkeys: Vec<Pubkey> = profit_keypairs
-        .iter()
         .map(|keypair| keypair.pubkey())
         .collect();
 
     info!("Create {:?} source token accounts", src_pubkeys.len());
-    create_token_accounts(client, &trader_signers, &src_keypairs);
+    create_token_accounts(client, &trader_signers, &src_pubkeys);
     info!("Create {:?} profit token accounts", profit_pubkeys.len());
-    create_token_accounts(client, &swapper_signers, &profit_keypairs);
+    create_token_accounts(client, &swapper_signers, &profit_pubkeys);
 
     // Collect the max transaction rate and total tx count seen (single node only)
     let sample_stats = Arc::new(RwLock::new(Vec::new()));
@@ -256,7 +244,7 @@ where
     trace!("Start trader thread");
     let trader_thread = {
         let exit_signal = exit_signal.clone();
-
+        let shared_txs = shared_txs.clone();
         let client = clients[0].clone();
         Builder::new()
             .name("solana-exchange-trader".to_string())
@@ -393,10 +381,7 @@ fn swapper<T>(
             let mut tries = 0;
             let mut trade_index = 0;
             while client
-                .get_balance_with_commitment(
-                    &trade_infos[trade_index].trade_account,
-                    CommitmentConfig::recent(),
-                )
+                .get_balance(&trade_infos[trade_index].trade_account)
                 .unwrap_or(0)
                 == 0
             {
@@ -450,7 +435,7 @@ fn swapper<T>(
             account_group = (account_group + 1) % account_groups as usize;
 
             let (blockhash, _fee_calculator) = client
-                .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
+                .get_recent_blockhash()
                 .expect("Failed to get blockhash");
             let to_swap_txs: Vec<_> = to_swap
                 .par_iter()
@@ -573,39 +558,27 @@ fn trader<T>(
                 trade_account: trade.pubkey(),
                 order_info,
             });
-            trades.push((signer, trade, side, src));
+            trades.push((signer, trade.pubkey(), side, src));
         }
         account_group = (account_group + 1) % account_groups as usize;
 
         let (blockhash, _fee_calculator) = client
-            .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
+            .get_recent_blockhash()
             .expect("Failed to get blockhash");
 
         trades.chunks(chunk_size).for_each(|chunk| {
             let trades_txs: Vec<_> = chunk
                 .par_iter()
-                .map(|(owner, trade, side, src)| {
-                    let owner_pubkey = &owner.pubkey();
-                    let trade_pubkey = &trade.pubkey();
+                .map(|(signer, trade, side, src)| {
+                    let s: &Keypair = &signer;
+                    let owner = &signer.pubkey();
                     let space = mem::size_of::<ExchangeState>() as u64;
                     Transaction::new_signed_instructions(
-                        &[owner.as_ref(), trade],
+                        &[s],
                         vec![
-                            system_instruction::create_account(
-                                owner_pubkey,
-                                trade_pubkey,
-                                1,
-                                space,
-                                &id(),
-                            ),
+                            system_instruction::create_account(owner, trade, 1, space, &id()),
                             exchange_instruction::trade_request(
-                                owner_pubkey,
-                                trade_pubkey,
-                                *side,
-                                pair,
-                                tokens,
-                                price,
-                                src,
+                                owner, trade, *side, pair, tokens, price, src,
                             ),
                         ],
                         blockhash,
@@ -661,14 +634,12 @@ fn trader<T>(
     }
 }
 
-fn verify_transaction<T>(sync_client: &T, tx: &Transaction) -> bool
+fn verify_transfer<T>(sync_client: &T, tx: &Transaction) -> bool
 where
     T: SyncClient + ?Sized,
 {
     for s in &tx.signatures {
-        if let Ok(Some(r)) =
-            sync_client.get_signature_status_with_commitment(s, CommitmentConfig::recent())
-        {
+        if let Ok(Some(r)) = sync_client.get_signature_status(s) {
             match r {
                 Ok(_) => {
                     return true;
@@ -687,17 +658,12 @@ fn verify_funding_transfer<T: SyncClient + ?Sized>(
     tx: &Transaction,
     amount: u64,
 ) -> bool {
-    if verify_transaction(client, tx) {
     for a in &tx.message().account_keys[1..] {
-            if client
-                .get_balance_with_commitment(a, CommitmentConfig::recent())
-                .unwrap_or(0)
-                >= amount
-            {
+        if client.get_balance(a).unwrap_or(0) >= amount {
             return true;
         }
     }
-    }
+
     false
 }
 
@@ -775,9 +741,8 @@ pub fn fund_keys(client: &dyn Client, source: &Keypair, dests: &[Arc<Keypair>],
                     to_fund_txs.len(),
                 );
 
-                let (blockhash, _fee_calculator) = client
-                    .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
-                    .expect("blockhash");
+                let (blockhash, _fee_calculator) =
+                    client.get_recent_blockhash().expect("blockhash");
                 to_fund_txs.par_iter_mut().for_each(|(k, tx)| {
                     tx.sign(&[*k], blockhash);
                 });
@@ -814,37 +779,27 @@ pub fn fund_keys(client: &dyn Client, source: &Keypair, dests: &[Arc<Keypair>],
         });
         funded.append(&mut new_funded);
         funded.retain(|(k, b)| {
-            client
-                .get_balance_with_commitment(&k.pubkey(), CommitmentConfig::recent())
-                .unwrap_or(0)
-                > lamports
-                && *b > lamports
+            client.get_balance(&k.pubkey()).unwrap_or(0) > lamports && *b > lamports
         });
         debug!("  Funded: {} left: {}", funded.len(), notfunded.len());
     }
 }
 
-pub fn create_token_accounts(client: &dyn Client, signers: &[Arc<Keypair>], accounts: &[Keypair]) {
-    let mut notfunded: Vec<(&Arc<Keypair>, &Keypair)> = signers.iter().zip(accounts).collect();
+pub fn create_token_accounts(client: &dyn Client, signers: &[Arc<Keypair>], accounts: &[Pubkey]) {
+    let mut notfunded: Vec<(&Arc<Keypair>, &Pubkey)> = signers.iter().zip(accounts).collect();
 
     while !notfunded.is_empty() {
         notfunded.chunks(FUND_CHUNK_LEN).for_each(|chunk| {
             let mut to_create_txs: Vec<_> = chunk
                 .par_iter()
-                .map(|(from_keypair, new_keypair)| {
-                    let owner_pubkey = &from_keypair.pubkey();
+                .map(|(signer, new)| {
+                    let owner_pubkey = &signer.pubkey();
                     let space = mem::size_of::<ExchangeState>() as u64;
-                    let create_ix = system_instruction::create_account(
-                        owner_pubkey,
-                        &new_keypair.pubkey(),
-                        1,
-                        space,
-                        &id(),
-                    );
-                    let request_ix =
-                        exchange_instruction::account_request(owner_pubkey, &new_keypair.pubkey());
+                    let create_ix =
+                        system_instruction::create_account(owner_pubkey, new, 1, space, &id());
+                    let request_ix = exchange_instruction::account_request(owner_pubkey, new);
                     (
-                        (from_keypair, new_keypair),
+                        signer,
                         Transaction::new_unsigned_instructions(vec![create_ix, request_ix]),
                     )
                 })
@@ -863,12 +818,11 @@ pub fn create_token_accounts(client: &dyn Client, signers: &[Arc<Keypair>], acco
             let mut retries = 0;
             while !to_create_txs.is_empty() {
                 let (blockhash, _fee_calculator) = client
-                    .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
+                    .get_recent_blockhash()
                     .expect("Failed to get blockhash");
-                to_create_txs
-                    .par_iter_mut()
-                    .for_each(|((from_keypair, to_keypair), tx)| {
-                        tx.sign(&[from_keypair.as_ref(), to_keypair], blockhash);
+                to_create_txs.par_iter_mut().for_each(|(k, tx)| {
+                    let kp: &Keypair = k;
+                    tx.sign(&[kp], blockhash);
                 });
                 to_create_txs.iter().for_each(|(_, tx)| {
                     client.async_send_transaction(tx.clone()).expect("transfer");
@@ -877,11 +831,11 @@ pub fn create_token_accounts(client: &dyn Client, signers: &[Arc<Keypair>], acco
                 let mut waits = 0;
                 while !to_create_txs.is_empty() {
                     sleep(Duration::from_millis(200));
-                    to_create_txs.retain(|(_, tx)| !verify_transaction(client, &tx));
+                    to_create_txs.retain(|(_, tx)| !verify_transfer(client, &tx));
                     if to_create_txs.is_empty() {
                         break;
                     }
-                    info!(
+                    debug!(
                         "    {} transactions outstanding, waits {:?}",
                         to_create_txs.len(),
                         waits
@@ -894,7 +848,7 @@ pub fn create_token_accounts(client: &dyn Client, signers: &[Arc<Keypair>], acco
 
                 if !to_create_txs.is_empty() {
                     retries += 1;
-                    info!("  Retry {:?} {} txes left", retries, to_create_txs.len());
+                    debug!("  Retry {:?}", retries);
                     if retries >= 20 {
                         error!(
                             "create_token_accounts: Too many retries ({}), give up",
@@ -906,13 +860,9 @@ pub fn create_token_accounts(client: &dyn Client, signers: &[Arc<Keypair>], acco
             }
         });
 
-        let mut new_notfunded: Vec<(&Arc<Keypair>, &Keypair)> = vec![];
+        let mut new_notfunded: Vec<(&Arc<Keypair>, &Pubkey)> = vec![];
         for f in &notfunded {
-            if client
-                .get_balance_with_commitment(&f.1.pubkey(), CommitmentConfig::recent())
-                .unwrap_or(0)
-                == 0
-            {
+            if client.get_balance(&f.1).unwrap_or(0) == 0 {
                 new_notfunded.push(*f)
             }
         }
@@ -968,8 +918,8 @@ fn generate_keypairs(num: u64) -> Vec<Keypair> {
     rnd.gen_n_keypairs(num)
 }
 
-pub fn airdrop_lamports(client: &dyn Client, faucet_addr: &SocketAddr, id: &Keypair, amount: u64) {
-    let balance = client.get_balance_with_commitment(&id.pubkey(), CommitmentConfig::recent());
+pub fn airdrop_lamports(client: &dyn Client, drone_addr: &SocketAddr, id: &Keypair, amount: u64) {
+    let balance = client.get_balance(&id.pubkey());
     let balance = balance.unwrap_or(0);
     if balance >= amount {
         return;
@@ -980,40 +930,33 @@ pub fn airdrop_lamports(client: &dyn Client, faucet_addr: &SocketAddr, id: &Keyp
     info!(
         "Airdropping {:?} lamports from {} for {}",
         amount_to_drop,
-        faucet_addr,
+        drone_addr,
         id.pubkey(),
     );
 
     let mut tries = 0;
     loop {
         let (blockhash, _fee_calculator) = client
-            .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
+            .get_recent_blockhash()
             .expect("Failed to get blockhash");
-        match request_airdrop_transaction(&faucet_addr, &id.pubkey(), amount_to_drop, blockhash) {
+        match request_airdrop_transaction(&drone_addr, &id.pubkey(), amount_to_drop, blockhash) {
             Ok(transaction) => {
                 let signature = client.async_send_transaction(transaction).unwrap();
 
                 for _ in 0..30 {
-                    if let Ok(Some(_)) = client.get_signature_status_with_commitment(
-                        &signature,
-                        CommitmentConfig::recent(),
-                    ) {
+                    if let Ok(Some(_)) = client.get_signature_status(&signature) {
                         break;
                     }
                     sleep(Duration::from_millis(100));
                 }
-                if client
-                    .get_balance_with_commitment(&id.pubkey(), CommitmentConfig::recent())
-                    .unwrap_or(0)
-                    >= amount
-                {
+                if client.get_balance(&id.pubkey()).unwrap_or(0) >= amount {
                     break;
                 }
             }
             Err(err) => {
                 panic!(
                     "Error requesting airdrop: {:?} to addr: {:?} amount: {}",
-                    err, faucet_addr, amount
+                    err, drone_addr, amount
                 );
             }
         };

bench-exchange/src/cli.rs

@@ -1,14 +1,14 @@
-use clap::{crate_description, crate_name, value_t, App, Arg, ArgMatches};
+use clap::{crate_description, crate_name, crate_version, value_t, App, Arg, ArgMatches};
 use solana_core::gen_keys::GenKeys;
-use solana_faucet::faucet::FAUCET_PORT;
-use solana_sdk::signature::{read_keypair_file, Keypair, KeypairUtil};
+use solana_drone::drone::DRONE_PORT;
+use solana_sdk::signature::{read_keypair, Keypair, KeypairUtil};
 use std::net::SocketAddr;
 use std::process::exit;
 use std::time::Duration;
 
 pub struct Config {
     pub entrypoint_addr: SocketAddr,
-    pub faucet_addr: SocketAddr,
+    pub drone_addr: SocketAddr,
     pub identity: Keypair,
     pub threads: usize,
     pub num_nodes: usize,
@@ -27,7 +27,7 @@ impl Default for Config {
     fn default() -> Self {
         Self {
             entrypoint_addr: SocketAddr::from(([127, 0, 0, 1], 8001)),
-            faucet_addr: SocketAddr::from(([127, 0, 0, 1], FAUCET_PORT)),
+            drone_addr: SocketAddr::from(([127, 0, 0, 1], DRONE_PORT)),
             identity: Keypair::new(),
             num_nodes: 1,
             threads: 4,
@@ -44,10 +44,10 @@ impl Default for Config {
     }
 }
 
-pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
+pub fn build_args<'a, 'b>() -> App<'a, 'b> {
     App::new(crate_name!())
         .about(crate_description!())
-        .version(version)
+        .version(crate_version!())
         .arg(
             Arg::with_name("entrypoint")
                 .short("n")
@@ -59,14 +59,14 @@ pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
                 .help("Cluster entry point; defaults to 127.0.0.1:8001"),
         )
         .arg(
-            Arg::with_name("faucet")
+            Arg::with_name("drone")
                 .short("d")
-                .long("faucet")
+                .long("drone")
                 .value_name("HOST:PORT")
                 .takes_value(true)
                 .required(false)
                 .default_value("127.0.0.1:9900")
-                .help("Location of the faucet; defaults to 127.0.0.1:9900"),
+                .help("Location of the drone; defaults to 127.0.0.1:9900"),
         )
         .arg(
             Arg::with_name("identity")
@@ -166,22 +166,20 @@ pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
 pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
     let mut args = Config::default();
 
-    args.entrypoint_addr = solana_net_utils::parse_host_port(
-        matches.value_of("entrypoint").unwrap(),
-    )
+    args.entrypoint_addr = solana_netutil::parse_host_port(matches.value_of("entrypoint").unwrap())
         .unwrap_or_else(|e| {
             eprintln!("failed to parse entrypoint address: {}", e);
             exit(1)
         });
 
-    args.faucet_addr = solana_net_utils::parse_host_port(matches.value_of("faucet").unwrap())
+    args.drone_addr = solana_netutil::parse_host_port(matches.value_of("drone").unwrap())
         .unwrap_or_else(|e| {
-            eprintln!("failed to parse faucet address: {}", e);
+            eprintln!("failed to parse drone address: {}", e);
             exit(1)
         });
 
     if matches.is_present("identity") {
-        args.identity = read_keypair_file(matches.value_of("identity").unwrap())
+        args.identity = read_keypair(matches.value_of("identity").unwrap())
             .expect("can't read client identity");
     } else {
         args.identity = {

bench-exchange/src/main.rs

@@ -11,12 +11,12 @@ fn main() {
     solana_logger::setup();
     solana_metrics::set_panic_hook("bench-exchange");
 
-    let matches = cli::build_args(solana_clap_utils::version!()).get_matches();
+    let matches = cli::build_args().get_matches();
     let cli_config = cli::extract_args(&matches);
 
     let cli::Config {
         entrypoint_addr,
-        faucet_addr,
+        drone_addr,
         identity,
         threads,
         num_nodes,
@@ -54,7 +54,7 @@ fn main() {
         );
     } else {
         info!("Connecting to the cluster");
-        let (nodes, _archivers) =
+        let (nodes, _replicators) =
             discover_cluster(&entrypoint_addr, num_nodes).unwrap_or_else(|_| {
                 panic!("Failed to discover nodes");
             });
@@ -73,7 +73,7 @@ fn main() {
             const NUM_SIGNERS: u64 = 2;
             airdrop_lamports(
                 &client,
-                &faucet_addr,
+                &drone_addr,
                 &config.identity,
                 fund_amount * (accounts_in_groups + 1) as u64 * NUM_SIGNERS,
             );

bench-exchange/src/order_book.rs

@@ -1,7 +1,7 @@
 use itertools::EitherOrBoth::{Both, Left, Right};
 use itertools::Itertools;
 use log::*;
-use solana_exchange_program::exchange_state::*;
+use solana_exchange_api::exchange_state::*;
 use solana_sdk::pubkey::Pubkey;
 use std::cmp::Ordering;
 use std::collections::BinaryHeap;

bench-streamer/Cargo.toml

@@ -2,14 +2,13 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-streamer"
-version = "0.22.10"
+version = "0.19.0-pre0"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
 clap = "2.33.0"
-solana-clap-utils = { path = "../clap-utils", version = "0.22.10" }
-solana-core = { path = "../core", version = "0.22.10" }
-solana-logger = { path = "../logger", version = "0.22.10" }
-solana-net-utils = { path = "../net-utils", version = "0.22.10" }
+solana-core = { path = "../core", version = "0.19.0-pre0" }
+solana-logger = { path = "../logger", version = "0.19.0-pre0" }
+solana-netutil = { path = "../netutil", version = "0.19.0-pre0" }

bench-streamer/src/main.rs

@@ -1,5 +1,6 @@
-use clap::{crate_description, crate_name, App, Arg};
-use solana_core::packet::{Packet, Packets, PacketsRecycler, PACKET_DATA_SIZE};
+use clap::{crate_description, crate_name, crate_version, App, Arg};
+use solana_core::packet::PacketsRecycler;
+use solana_core::packet::{Packet, Packets, BLOB_SIZE, PACKET_DATA_SIZE};
 use solana_core::result::Result;
 use solana_core::streamer::{receiver, PacketReceiver};
 use std::cmp::max;
@@ -28,7 +29,7 @@ fn producer(addr: &SocketAddr, exit: Arc<AtomicBool>) -> JoinHandle<()> {
         let mut num = 0;
         for p in &msgs.packets {
             let a = p.meta.addr();
-            assert!(p.meta.size < PACKET_DATA_SIZE);
+            assert!(p.meta.size < BLOB_SIZE);
             send.send_to(&p.data[..p.meta.size], &a).unwrap();
             num += 1;
         }
@@ -53,7 +54,7 @@ fn main() -> Result<()> {
 
     let matches = App::new(crate_name!())
         .about(crate_description!())
-        .version(solana_clap_utils::version!())
+        .version(crate_version!())
         .arg(
             Arg::with_name("num-recv-sockets")
                 .long("num-recv-sockets")
@@ -76,7 +77,7 @@ fn main() -> Result<()> {
     let mut read_threads = Vec::new();
     let recycler = PacketsRecycler::default();
     for _ in 0..num_sockets {
-        let read = solana_net_utils::bind_to(port, false).unwrap();
+        let read = solana_netutil::bind_to(port, false).unwrap();
         read.set_read_timeout(Some(Duration::new(1, 0))).unwrap();
 
         addr = read.local_addr().unwrap();

bench-tps/Cargo.toml

@@ -2,38 +2,34 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-tps"
-version = "0.22.10"
+version = "0.19.0-pre0"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
-bincode = "1.2.1"
+bincode = "1.1.4"
 clap = "2.33.0"
 log = "0.4.8"
 rayon = "1.2.0"
-serde = "1.0.104"
-serde_derive = "1.0.103"
-serde_json = "1.0.44"
-serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "0.22.10" }
-solana-core = { path = "../core", version = "0.22.10" }
-solana-genesis = { path = "../genesis", version = "0.22.10" }
-solana-client = { path = "../client", version = "0.22.10" }
-solana-faucet = { path = "../faucet", version = "0.22.10" }
-solana-librapay = { path = "../programs/librapay", version = "0.22.10", optional = true }
-solana-logger = { path = "../logger", version = "0.22.10" }
-solana-metrics = { path = "../metrics", version = "0.22.10" }
-solana-measure = { path = "../measure", version = "0.22.10" }
-solana-net-utils = { path = "../net-utils", version = "0.22.10" }
-solana-runtime = { path = "../runtime", version = "0.22.10" }
-solana-sdk = { path = "../sdk", version = "0.22.10" }
-solana-move-loader-program = { path = "../programs/move_loader", version = "0.22.10", optional = true }
+serde = "1.0.101"
+serde_derive = "1.0.101"
+serde_json = "1.0.40"
+serde_yaml = "0.8.9"
+solana-core = { path = "../core", version = "0.19.0-pre0" }
+solana-genesis = { path = "../genesis", version = "0.19.0-pre0" }
+solana-client = { path = "../client", version = "0.19.0-pre0" }
+solana-drone = { path = "../drone", version = "0.19.0-pre0" }
+solana-librapay-api = { path = "../programs/librapay_api", version = "0.19.0-pre0" }
+solana-logger = { path = "../logger", version = "0.19.0-pre0" }
+solana-metrics = { path = "../metrics", version = "0.19.0-pre0" }
+solana-measure = { path = "../measure", version = "0.19.0-pre0" }
+solana-netutil = { path = "../netutil", version = "0.19.0-pre0" }
+solana-runtime = { path = "../runtime", version = "0.19.0-pre0" }
+solana-sdk = { path = "../sdk", version = "0.19.0-pre0" }
+solana-move-loader-program = { path = "../programs/move_loader_program", version = "0.19.0-pre0" }
+solana-move-loader-api = { path = "../programs/move_loader_api", version = "0.19.0-pre0" }
 
 [dev-dependencies]
-serial_test = "0.3.2"
-serial_test_derive = "0.3.1"
-solana-local-cluster = { path = "../local-cluster", version = "0.22.10" }
-
-[features]
-move = ["solana-librapay", "solana-move-loader-program"]
+serial_test = "0.2.0"
+serial_test_derive = "0.2.0"

bench-tps/src/cli.rs

@@ -1,28 +1,29 @@
-use clap::{crate_description, crate_name, App, Arg, ArgMatches};
-use solana_faucet::faucet::FAUCET_PORT;
-use solana_sdk::fee_calculator::FeeCalculator;
-use solana_sdk::signature::{read_keypair_file, Keypair, KeypairUtil};
-use std::{net::SocketAddr, process::exit, time::Duration};
+use std::net::SocketAddr;
+use std::process::exit;
+use std::time::Duration;
 
-const NUM_LAMPORTS_PER_ACCOUNT_DEFAULT: u64 = solana_sdk::native_token::SOL_LAMPORTS;
+use clap::{crate_description, crate_name, crate_version, App, Arg, ArgMatches};
+use solana_drone::drone::DRONE_PORT;
+use solana_sdk::fee_calculator::FeeCalculator;
+use solana_sdk::signature::{read_keypair, Keypair, KeypairUtil};
+
+const NUM_LAMPORTS_PER_ACCOUNT_DEFAULT: u64 = 64 * 1024;
 
 /// Holds the configuration for a single run of the benchmark
 pub struct Config {
     pub entrypoint_addr: SocketAddr,
-    pub faucet_addr: SocketAddr,
+    pub drone_addr: SocketAddr,
     pub id: Keypair,
     pub threads: usize,
     pub num_nodes: usize,
     pub duration: Duration,
     pub tx_count: usize,
-    pub keypair_multiplier: usize,
     pub thread_batch_sleep_ms: usize,
     pub sustained: bool,
     pub client_ids_and_stake_file: String,
     pub write_to_client_file: bool,
     pub read_from_client_file: bool,
     pub target_lamports_per_signature: u64,
-    pub multi_client: bool,
     pub use_move: bool,
     pub num_lamports_per_account: u64,
 }
@@ -31,20 +32,18 @@ impl Default for Config {
     fn default() -> Config {
         Config {
             entrypoint_addr: SocketAddr::from(([127, 0, 0, 1], 8001)),
-            faucet_addr: SocketAddr::from(([127, 0, 0, 1], FAUCET_PORT)),
+            drone_addr: SocketAddr::from(([127, 0, 0, 1], DRONE_PORT)),
             id: Keypair::new(),
             threads: 4,
             num_nodes: 1,
             duration: Duration::new(std::u64::MAX, 0),
-            tx_count: 50_000,
-            keypair_multiplier: 8,
-            thread_batch_sleep_ms: 1000,
+            tx_count: 500_000,
+            thread_batch_sleep_ms: 0,
             sustained: false,
             client_ids_and_stake_file: String::new(),
             write_to_client_file: false,
             read_from_client_file: false,
             target_lamports_per_signature: FeeCalculator::default().target_lamports_per_signature,
-            multi_client: true,
             use_move: false,
             num_lamports_per_account: NUM_LAMPORTS_PER_ACCOUNT_DEFAULT,
         }
@@ -52,9 +51,9 @@ impl Default for Config {
 }
 
 /// Defines and builds the CLI args for a run of the benchmark
-pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
+pub fn build_args<'a, 'b>() -> App<'a, 'b> {
     App::new(crate_name!()).about(crate_description!())
-        .version(version)
+        .version(crate_version!())
         .arg(
             Arg::with_name("entrypoint")
                 .short("n")
@@ -64,12 +63,12 @@ pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
                 .help("Rendezvous with the cluster at this entry point; defaults to 127.0.0.1:8001"),
         )
         .arg(
-            Arg::with_name("faucet")
+            Arg::with_name("drone")
                 .short("d")
-                .long("faucet")
+                .long("drone")
                 .value_name("HOST:PORT")
                 .takes_value(true)
-                .help("Location of the faucet; defaults to entrypoint:FAUCET_PORT"),
+                .help("Location of the drone; defaults to entrypoint:DRONE_PORT"),
         )
         .arg(
             Arg::with_name("identity")
@@ -112,11 +111,6 @@ pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
                 .long("use-move")
                 .help("Use Move language transactions to perform transfers."),
         )
-        .arg(
-            Arg::with_name("no-multi-client")
-                .long("no-multi-client")
-                .help("Disable multi-client support, only transact with the entrypoint."),
-        )
         .arg(
             Arg::with_name("tx_count")
                 .long("tx_count")
@@ -124,13 +118,6 @@ pub fn build_args<'a, 'b>(version: &'b str) -> App<'a, 'b> {
                 .takes_value(true)
                 .help("Number of transactions to send per batch")
         )
-        .arg(
-            Arg::with_name("keypair_multiplier")
-                .long("keypair-multiplier")
-                .value_name("NUM")
-                .takes_value(true)
-                .help("Multiply by transaction count to determine number of keypairs to create")
-        )
         .arg(
             Arg::with_name("thread-batch-sleep-ms")
                 .short("z")
@@ -183,21 +170,21 @@ pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
     let mut args = Config::default();
 
     if let Some(addr) = matches.value_of("entrypoint") {
-        args.entrypoint_addr = solana_net_utils::parse_host_port(addr).unwrap_or_else(|e| {
+        args.entrypoint_addr = solana_netutil::parse_host_port(addr).unwrap_or_else(|e| {
             eprintln!("failed to parse entrypoint address: {}", e);
             exit(1)
         });
     }
 
-    if let Some(addr) = matches.value_of("faucet") {
-        args.faucet_addr = solana_net_utils::parse_host_port(addr).unwrap_or_else(|e| {
-            eprintln!("failed to parse faucet address: {}", e);
+    if let Some(addr) = matches.value_of("drone") {
+        args.drone_addr = solana_netutil::parse_host_port(addr).unwrap_or_else(|e| {
+            eprintln!("failed to parse drone address: {}", e);
             exit(1)
         });
     }
 
     if matches.is_present("identity") {
-        args.id = read_keypair_file(matches.value_of("identity").unwrap())
+        args.id = read_keypair(matches.value_of("identity").unwrap())
             .expect("can't read client identity");
     }
 
@@ -217,15 +204,7 @@ pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
     }
 
     if let Some(s) = matches.value_of("tx_count") {
-        args.tx_count = s.to_string().parse().expect("can't parse tx_count");
-    }
-
-    if let Some(s) = matches.value_of("keypair_multiplier") {
-        args.keypair_multiplier = s
-            .to_string()
-            .parse()
-            .expect("can't parse keypair-multiplier");
-        assert!(args.keypair_multiplier >= 2);
+        args.tx_count = s.to_string().parse().expect("can't parse tx_account");
     }
 
     if let Some(t) = matches.value_of("thread-batch-sleep-ms") {
@@ -253,7 +232,6 @@ pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
     }
 
     args.use_move = matches.is_present("use-move");
-    args.multi_client = !matches.is_present("no-multi-client");
 
     if let Some(v) = matches.value_of("num_lamports_per_account") {
         args.num_lamports_per_account = v.to_string().parse().expect("can't parse lamports");

bench-tps/src/main.rs

@@ -1,12 +1,15 @@
-use log::*;
 use solana_bench_tps::bench::{do_bench_tps, generate_and_fund_keypairs, generate_keypairs};
 use solana_bench_tps::cli;
-use solana_core::gossip_service::{discover_cluster, get_client, get_multi_client};
-use solana_genesis::Base64Account;
+use solana_core::gossip_service::{discover_cluster, get_multi_client};
+use solana_genesis::PrimordialAccountDetails;
 use solana_sdk::fee_calculator::FeeCalculator;
 use solana_sdk::signature::{Keypair, KeypairUtil};
 use solana_sdk::system_program;
-use std::{collections::HashMap, fs::File, io::prelude::*, path::Path, process::exit, sync::Arc};
+use std::collections::HashMap;
+use std::fs::File;
+use std::io::prelude::*;
+use std::path::Path;
+use std::process::exit;
 
 /// Number of signatures for all transactions in ~1 week at ~100K TPS
 pub const NUM_SIGNATURES_FOR_TXS: u64 = 100_000 * 60 * 60 * 24 * 7;
@@ -15,33 +18,28 @@ fn main() {
     solana_logger::setup_with_filter("solana=info");
     solana_metrics::set_panic_hook("bench-tps");
 
-    let matches = cli::build_args(solana_clap_utils::version!()).get_matches();
+    let matches = cli::build_args().get_matches();
     let cli_config = cli::extract_args(&matches);
 
     let cli::Config {
         entrypoint_addr,
-        faucet_addr,
+        drone_addr,
         id,
         num_nodes,
         tx_count,
-        keypair_multiplier,
         client_ids_and_stake_file,
         write_to_client_file,
         read_from_client_file,
         target_lamports_per_signature,
         use_move,
-        multi_client,
         num_lamports_per_account,
         ..
     } = &cli_config;
 
-    let keypair_count = *tx_count * keypair_multiplier;
     if *write_to_client_file {
-        info!("Generating {} keypairs", keypair_count);
-        let (keypairs, _) = generate_keypairs(&id, keypair_count as u64);
+        let (keypairs, _) = generate_keypairs(&id, *tx_count as u64 * 2);
         let num_accounts = keypairs.len() as u64;
-        let max_fee =
-            FeeCalculator::new(*target_lamports_per_signature, 0).max_lamports_per_signature;
+        let max_fee = FeeCalculator::new(*target_lamports_per_signature).max_lamports_per_signature;
         let num_lamports_per_account = (num_accounts - 1 + NUM_SIGNATURES_FOR_TXS * max_fee)
             / num_accounts
             + num_lamports_per_account;
@@ -49,7 +47,7 @@ fn main() {
         keypairs.iter().for_each(|keypair| {
             accounts.insert(
                 serde_json::to_string(&keypair.to_bytes().to_vec()).unwrap(),
-                Base64Account {
+                PrimordialAccountDetails {
                     balance: num_lamports_per_account,
                     executable: false,
                     owner: system_program::id().to_string(),
@@ -58,7 +56,6 @@ fn main() {
             );
         });
 
-        info!("Writing {}", client_ids_and_stake_file);
         let serialized = serde_yaml::to_string(&accounts).unwrap();
         let path = Path::new(&client_ids_and_stake_file);
         let mut file = File::create(path).unwrap();
@@ -66,15 +63,15 @@ fn main() {
         return;
     }
 
-    info!("Connecting to the cluster");
-    let (nodes, _archivers) =
+    println!("Connecting to the cluster");
+    let (nodes, _replicators) =
         discover_cluster(&entrypoint_addr, *num_nodes).unwrap_or_else(|err| {
             eprintln!("Failed to discover {} nodes: {:?}", num_nodes, err);
             exit(1);
         });
 
-    let client = if *multi_client {
     let (client, num_clients) = get_multi_client(&nodes);
+
     if nodes.len() < num_clients {
         eprintln!(
             "Error: Insufficient nodes discovered.  Expecting {} or more",
@@ -82,17 +79,13 @@ fn main() {
         );
         exit(1);
     }
-        Arc::new(client)
-    } else {
-        Arc::new(get_client(&nodes))
-    };
 
-    let (keypairs, move_keypairs) = if *read_from_client_file && !use_move {
+    let (keypairs, move_keypairs, keypair_balance) = if *read_from_client_file && !use_move {
         let path = Path::new(&client_ids_and_stake_file);
         let file = File::open(path).unwrap();
 
-        info!("Reading {}", client_ids_and_stake_file);
-        let accounts: HashMap<String, Base64Account> = serde_yaml::from_reader(file).unwrap();
+        let accounts: HashMap<String, PrimordialAccountDetails> =
+            serde_yaml::from_reader(file).unwrap();
         let mut keypairs = vec![];
         let mut last_balance = 0;
 
@@ -103,27 +96,17 @@ fn main() {
                 keypairs.push(Keypair::from_bytes(&bytes).unwrap());
                 last_balance = primordial_account.balance;
             });
-
-        if keypairs.len() < keypair_count {
-            eprintln!(
-                "Expected {} accounts in {}, only received {} (--tx_count mismatch?)",
-                keypair_count,
-                client_ids_and_stake_file,
-                keypairs.len(),
-            );
-            exit(1);
-        }
         // Sort keypairs so that do_bench_tps() uses the same subset of accounts for each run.
         // This prevents the amount of storage needed for bench-tps accounts from creeping up
         // across multiple runs.
         keypairs.sort_by(|x, y| x.pubkey().to_string().cmp(&y.pubkey().to_string()));
-        (keypairs, None)
+        (keypairs, None, last_balance)
     } else {
         generate_and_fund_keypairs(
-            client.clone(),
-            Some(*faucet_addr),
+            &client,
+            Some(*drone_addr),
             &id,
-            keypair_count,
+            *tx_count,
             *num_lamports_per_account,
             *use_move,
         )
@@ -133,5 +116,11 @@ fn main() {
         })
     };
 
-    do_bench_tps(client, cli_config, keypairs, move_keypairs);
+    do_bench_tps(
+        vec![client],
+        cli_config,
+        keypairs,
+        keypair_balance,
+        move_keypairs,
+    );
 }

book/art/consensus.msc

@@ -0,0 +1,15 @@
+msc {
+  client,leader,verifier_a,verifier_b,verifier_c;
+
+  client=>leader [ label = "SUBMIT" ] ;
+  leader=>client [ label = "CONFIRMED" ] ;
+  leader=>verifier_a [ label = "CONFIRMED" ] ;
+  leader=>verifier_b [ label = "CONFIRMED" ] ;
+  leader=>verifier_c [ label = "CONFIRMED" ] ;
+  verifier_a=>leader [ label = "VERIFIED" ] ;
+  verifier_b=>leader [ label = "VERIFIED" ] ;
+  leader=>client [ label = "FINALIZED" ] ;
+  leader=>verifier_a [ label = "FINALIZED" ] ;
+  leader=>verifier_b [ label = "FINALIZED" ] ;
+  leader=>verifier_c [ label = "FINALIZED" ] ;
+}

book/art/tvu.bob

@@ -7,7 +7,7 @@
                   |  TVU                               |                    |
                   |                                    |                    |
                   |  .-------.   .------------.   .----+---.   .---------.  |
- .------------.   |  | Shred |   | Retransmit |   | Replay |   | Storage |  |
+ .------------.   |  | Blob  |   | Retransmit |   | Replay |   | Storage |  |
  | Upstream   +----->| Fetch +-->| Stage      +-->| Stage  +-->| Stage   |  |
  | Validators |   |  | Stage |   |            |   |        |   |         |  |
  `------------`   |  `-------`   `----+-------`   `----+---`   `---------`  |

book/art/validator.bob

@@ -1,4 +1,4 @@
-             .---------------------------------------.
+             .--------------------------------------.
              |  Validator                           |
              |                                      |
  .--------.  |  .-------------------.               |
@@ -8,23 +8,23 @@
  `----+---`  |  `-------------------`               |
       |      |     ^                                |
       |      |     |     .----------------.         | .------------------.
-      |      |     |     | Gossip Service |<-----------| Validators       |
+      |      |     |     | Gossip Service |<----------| Validators       |
       |      |     |     `----------------`         | |                  |
       |      |     |           ^                    | |                  |
       |      |     |           |                    | |  .------------.  |
-      |      | .---+---.  .----+---. .------------.  | |  |            |  |
-      |      | | Bank  |<-+ Replay | | ShredFetch |<------+ Upstream   |  |
+      |      | .---+---.  .----+---. .-----------.  | |  |            |  |
+      |      | | Bank  |<-+ Replay | | BlobFetch |<------+ Upstream   |  |
       |      | | Forks |  | Stage  | |  Stage    |  | |  | Validators |  |
-      |      | `-------`  `--------` `--+---------`  | |  |            |  |
+      |      | `-------`  `--------` `--+--------`  | |  |            |  |
       |      |     ^              ^     |           | |  `------------`  |
       |      |     |              |     v           | |                  |
-      |      |     |           .--+---------.        | |                  |
-      |      |     |           | Blockstore |        | |                  |
-      |      |     |           `------------`        | |  .------------.  |
+      |      |     |           .--+--------.        | |                  |
+      |      |     |           | Blocktree |        | |                  |
+      |      |     |           `-----------`        | |  .------------.  |
       |      |     |                ^               | |  |            |  |
       |      |     |                |               | |  | Downstream |  |
       |      |  .--+--.     .-------+---.           | |  | Validators |  |
-      `-------->| TPU +---->| Broadcast +---------------->|            |  |
+      `-------->| TPU +---->| Broadcast +--------------->|            |  |
              |  `-----`     | Stage     |           | |  `------------`  |
              |              `-----------`           | `------------------`
-             `---------------------------------------`
+             `--------------------------------------`

book/build-cli-usage.sh

@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-cd "$(dirname "$0")"
-
-usage=$(cargo -q run -p solana-cli -- -C ~/.foo --help | sed 's|'"$HOME"'|~|g')
-
-out=${1:-src/api-reference/cli.md}
-
-cat src/api-reference/.cli.md > "$out"
-
-section() {
-  declare mark=${2:-"###"}
-  declare section=$1
-  read -r name rest <<<"$section"
-
-  printf '%s %s
-' "$mark" "$name"
-  printf '```text
-%s
-```
-
-' "$section"
-}
-
-section "$usage" >> "$out"
-
-in_subcommands=0
-while read -r subcommand rest; do
-  [[ $subcommand == "SUBCOMMANDS:" ]] && in_subcommands=1 && continue
-  if ((in_subcommands)); then
-      section "$(cargo -q run -p solana-cli -- help "$subcommand" | sed 's|'"$HOME"'|~|g')" "####" >> "$out"
-  fi
-done <<<"$usage">>"$out"

book/build-svg.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$0")"
+
+make -j"$(nproc)" -B svg 
+
+if [[ -n $CI ]]; then
+  # In CI confirm that no svgs need to be built 
+  git diff --exit-code
+fi

book/src/.gitbook/assets/data-plane-fanout.svg

@@ -0,0 +1,183 @@
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+<defs>
+<marker id="triangle" markerHeight="8" markerWidth="8" orient="auto" refX="4" refY="2" viewBox="0 0 8 4">
+<polygon fill="black" points="0,0 0,4 8,2 0,0"/>
+</marker>
+<marker id="clear_triangle" markerHeight="10" markerWidth="10" orient="auto" refX="1" refY="7" viewBox="0 0 20 14">
+<polygon fill="none" points="2,2 2,12 18,7 2,2" stroke="black" stroke-width="2"/>
+</marker>
+<marker id="circle" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
+<circle cx="10" cy="10" fill="black" r="8"/>
+</marker>
+<marker id="square" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
+<rect fill="black" height="20" width="20" x="0" y="0"/>
+</marker>
+<marker id="open_circle" markerHeight="10" markerWidth="10" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
+<circle cx="10" cy="10" fill="white" r="4" stroke="black" stroke-width="2"/>
+</marker>
+<marker id="big_open_circle" markerHeight="20" markerWidth="20" orient="auto" refX="20" refY="20" viewBox="0 0 40 40">
+<circle cx="20" cy="20" fill="white" r="6" stroke="black" stroke-width="2"/>
+</marker>
+</defs>
+<style type="text/css">
+
+    line,path {
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
+    }
+    line.dashed {
+        stroke-dasharray: 5;
+    }
+    circle.solid {
+      fill:black;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
+    }
+    circle.open {
+      fill:none;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
+    }
+    tspan.head{
+        fill: none;
+        stroke: none;
+    }
+    
+</style>
+<rect fill="white" height="304" width="544" x="0" y="0"/>
+<g>
+<line x1="4" x2="4" y1="8" y2="184"/>
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+<line x1="196" x2="196" y1="232" y2="296"/>
+</g>
+<g>
+<line x1="36" x2="36" y1="40" y2="104"/>
+<line x1="36" x2="180" y1="40" y2="40"/>
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+<g>
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+</g>
+<g>
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+<g>
+<line marker-end="url(#triangle)" x1="436" x2="436" y1="192" y2="220"/>
+</g>
+<g>
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+</text>
+</g>
+<g>
+<text x="65" y="76">
+Validator
+</text>
+</g>
+<g>
+<text x="145" y="76">
+1
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+</g>
+<g>
+<text x="161" y="268">
+1
+</text>
+</g>
+<g>
+<text x="217" y="44">
+Neighborhood
+</text>
+</g>
+<g>
+<text x="321" y="44">
+0
+</text>
+</g>
+<g>
+<text x="377" y="268">
+Neighborhood
+</text>
+</g>
+<g>
+<text x="393" y="76">
+Validator
+</text>
+</g>
+<g>
+<text x="473" y="76">
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+</g>
+<g>
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+2
+</text>
+</g>
+</svg>

book/src/.gitbook/assets/data-plane-neighborhood.svg

@@ -0,0 +1,322 @@
+<svg class="bob" font-family="arial" font-size="14" height="400" width="856" xmlns="http://www.w3.org/2000/svg">
+<defs>
+<marker id="triangle" markerHeight="8" markerWidth="8" orient="auto" refX="4" refY="2" viewBox="0 0 8 4">
+<polygon fill="black" points="0,0 0,4 8,2 0,0"/>
+</marker>
+<marker id="clear_triangle" markerHeight="10" markerWidth="10" orient="auto" refX="1" refY="7" viewBox="0 0 20 14">
+<polygon fill="none" points="2,2 2,12 18,7 2,2" stroke="black" stroke-width="2"/>
+</marker>
+<marker id="circle" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
+<circle cx="10" cy="10" fill="black" r="8"/>
+</marker>
+<marker id="square" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
+<rect fill="black" height="20" width="20" x="0" y="0"/>
+</marker>
+<marker id="open_circle" markerHeight="10" markerWidth="10" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
+<circle cx="10" cy="10" fill="white" r="4" stroke="black" stroke-width="2"/>
+</marker>
+<marker id="big_open_circle" markerHeight="20" markerWidth="20" orient="auto" refX="20" refY="20" viewBox="0 0 40 40">
+<circle cx="20" cy="20" fill="white" r="6" stroke="black" stroke-width="2"/>
+</marker>
+</defs>
+<style type="text/css">
+
+    line,path {
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
+    }
+    line.dashed {
+        stroke-dasharray: 5;
+    }
+    circle.solid {
+      fill:black;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
+    }
+    circle.open {
+      fill:none;
+      stroke: black;
+      stroke-width: 2;
+      stroke-opacity: 1;
+      fill-opacity: 1;
+      stroke-linecap: round;
+      stroke-linejoin: miter;
+    }
+    tspan.head{
+        fill: none;
+        stroke: none;
+    }
+    
+</style>
+<rect fill="white" height="400" width="856" x="0" y="0"/>
+<g>
+<line x1="4" x2="4" y1="8" y2="152"/>
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+<line x1="852" x2="852" y1="8" y2="152"/>
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+<g>
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+<circle cx="10" cy="10" fill="black" r="8"/>
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+</g>
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+</g>
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+</text>
+</g>
+<g>
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+JSON
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+<g>
+<text x="145" y="428">
+TPU
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+Replay
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+</text>
+</g>
+<g>
+<text x="473" y="252">
+Upstream
+</text>
+</g>
+<g>
+<text x="473" y="268">
+Validators
+</text>
+</g>
+<g>
+<text x="473" y="396">
+Downstream
+</text>
+</g>
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+<text x="473" y="412">
+Validators
+</text>
+</g>
+</svg>

book/src/SUMMARY.md

@@ -21,12 +21,12 @@
 * [Anatomy of a Validator](validator/README.md)
   * [TPU](validator/tpu.md)
   * [TVU](validator/tvu/README.md)
-    * [Blockstore](validator/tvu/blockstore.md)
+    * [Blocktree](validator/tvu/blocktree.md)
   * [Gossip Service](validator/gossip.md)
   * [The Runtime](validator/runtime.md)
 * [Anatomy of a Transaction](transaction.md)
 * [Running a Validator](running-validator/README.md)
-  * [Validator Requirements](running-validator/validator-reqs.md)
+  * [Hardware Requirements](running-validator/validator-hardware.md)
   * [Choosing a Testnet](running-validator/validator-testnet.md)
   * [Installing the Validator Software](running-validator/validator-software.md)
   * [Starting a Validator](running-validator/validator-start.md)
@@ -34,12 +34,8 @@
   * [Monitoring a Validator](running-validator/validator-monitor.md)
   * [Publishing Validator Info](running-validator/validator-info.md)
   * [Troubleshooting](running-validator/validator-troubleshoot.md)
-* [Running an Archiver](running-archiver.md)
-* [Paper Wallet](paper-wallet/README.md)
-  * [Installation](paper-wallet/installation.md)
-  * [Paper Wallet Usage](paper-wallet/usage.md)
-* [Offline Signing](offline-signing/README.md)
-  * [Durable Transaction Nonces](offline-signing/durable-nonce.md)
+  * [FAQ](running-validator/validator-faq.md)
+* [Running a Replicator](running-replicator.md)
 * [API Reference](api-reference/README.md)
   * [Transaction](api-reference/transaction-api.md)
   * [Instruction](api-reference/instruction-api.md)
@@ -50,41 +46,36 @@
 * [Accepted Design Proposals](proposals/README.md)
   * [Ledger Replication](proposals/ledger-replication-to-implement.md)
   * [Secure Vote Signing](proposals/vote-signing-to-implement.md)
+  * [Staking Rewards](proposals/staking-rewards.md)
+  * [Cluster Economics](proposals/ed_overview/README.md)
+    * [Validation-client Economics](proposals/ed_overview/ed_validation_client_economics/README.md)
+      * [State-validation Protocol-based Rewards](proposals/ed_overview/ed_validation_client_economics/ed_vce_state_validation_protocol_based_rewards.md)
+      * [State-validation Transaction Fees](proposals/ed_overview/ed_validation_client_economics/ed_vce_state_validation_transaction_fees.md)
+      * [Replication-validation Transaction Fees](proposals/ed_overview/ed_validation_client_economics/ed_vce_replication_validation_transaction_fees.md)
+      * [Validation Stake Delegation](proposals/ed_overview/ed_validation_client_economics/ed_vce_validation_stake_delegation.md)
+    * [Replication-client Economics](proposals/ed_overview/ed_replication_client_economics/README.md)
+      * [Storage-replication Rewards](proposals/ed_overview/ed_replication_client_economics/ed_rce_storage_replication_rewards.md)
+      * [Replication-client Reward Auto-delegation](proposals/ed_overview/ed_replication_client_economics/ed_rce_replication_client_reward_auto_delegation.md)
+    * [Economic Sustainability](proposals/ed_overview/ed_economic_sustainability.md)
+    * [Attack Vectors](proposals/ed_overview/ed_attack_vectors.md)
+    * [Economic Design MVP](proposals/ed_overview/ed_mvp.md)
+    * [References](proposals/ed_overview/ed_references.md)
   * [Cluster Test Framework](proposals/cluster-test-framework.md)
   * [Validator](proposals/validator-proposal.md)
   * [Simple Payment and State Verification](proposals/simple-payment-and-state-verification.md)
   * [Cross-Program Invocation](proposals/cross-program-invocation.md)
-  * [Inter-chain Transaction Verification](proposals/interchain-transaction-verification.md)
-  * [Snapshot Verification](proposals/snapshot-verification.md)
-  * [Bankless Leader](proposals/bankless-leader.md)
-  * [Slashing](proposals/slashing.md)
 * [Implemented Design Proposals](implemented-proposals/README.md)
-  * [Blockstore](implemented-proposals/blockstore.md)
+  * [Blocktree](implemented-proposals/blocktree.md)
   * [Cluster Software Installation and Updates](implemented-proposals/installer.md)
-  * [Cluster Economics](implemented-proposals/ed_overview/README.md)
-    * [Validation-client Economics](implemented-proposals/ed_overview/ed_validation_client_economics/README.md)
-      * [State-validation Protocol-based Rewards](implemented-proposals/ed_overview/ed_validation_client_economics/ed_vce_state_validation_protocol_based_rewards.md)
-      * [State-validation Transaction Fees](implemented-proposals/ed_overview/ed_validation_client_economics/ed_vce_state_validation_transaction_fees.md)
-      * [Replication-validation Transaction Fees](implemented-proposals/ed_overview/ed_validation_client_economics/ed_vce_replication_validation_transaction_fees.md)
-      * [Validation Stake Delegation](implemented-proposals/ed_overview/ed_validation_client_economics/ed_vce_validation_stake_delegation.md)
-    * [Replication-client Economics](implemented-proposals/ed_overview/ed_replication_client_economics/README.md)
-      * [Storage-replication Rewards](implemented-proposals/ed_overview/ed_replication_client_economics/ed_rce_storage_replication_rewards.md)
-      * [Replication-client Reward Auto-delegation](implemented-proposals/ed_overview/ed_replication_client_economics/ed_rce_replication_client_reward_auto_delegation.md)
-    * [Economic Sustainability](implemented-proposals/ed_overview/ed_economic_sustainability.md)
-    * [Attack Vectors](implemented-proposals/ed_overview/ed_attack_vectors.md)
-    * [Economic Design MVP](implemented-proposals/ed_overview/ed_mvp.md)
-    * [References](implemented-proposals/ed_overview/ed_references.md)
   * [Deterministic Transaction Fees](implemented-proposals/transaction-fees.md)
   * [Tower BFT](implemented-proposals/tower-bft.md)
   * [Leader-to-Leader Transition](implemented-proposals/leader-leader-transition.md)
   * [Leader-to-Validator Transition](implemented-proposals/leader-validator-transition.md)
+  * [Passive Stake Delegation and Rewards](implemented-proposals/passive-stake-delegation-and-rewards.md)
   * [Persistent Account Storage](implemented-proposals/persistent-account-storage.md)
   * [Reliable Vote Transmission](implemented-proposals/reliable-vote-transmission.md)
   * [Repair Service](implemented-proposals/repair-service.md)
   * [Testing Programs](implemented-proposals/testing-programs.md)
-  * [Credit-only Accounts](implemented-proposals/readonly-accounts.md)
+  * [Credit-only Accounts](implemented-proposals/credit-only-credit-debit-accounts.md)
   * [Embedding the Move Langauge](implemented-proposals/embedding-move.md)
-  * [Staking Rewards](implemented-proposals/staking-rewards.md)
-  * [Rent](implemented-proposals/rent.md)
-  * [Durable Transaction Nonces](implemented-proposals/durable-tx-nonces.md)
-  * [Validator Timestamp Oracle](implemented-proposals/validator-timestamp-oracle.md)
+

book/src/api-reference.md

@@ -0,0 +1,4 @@
+# API Reference
+
+The following sections contain API references material you may find useful
+when developing applications utilizing a Solana cluster.

book/src/api-reference/.cli.md

@@ -1,177 +0,0 @@
-# solana CLI
-
-The [solana-cli crate](https://crates.io/crates/solana-cli) provides a command-line interface tool for Solana
-
-## Examples
-
-### Get Pubkey
-
-```bash
-// Command
-$ solana address
-
-// Return
-<PUBKEY>
-```
-
-### Airdrop SOL/Lamports
-
-```bash
-// Command
-$ solana airdrop 2
-
-// Return
-"2.00000000 SOL"
-
-// Command
-$ solana airdrop 123 --lamports
-
-// Return
-"123 lamports"
-```
-
-### Get Balance
-
-```bash
-// Command
-$ solana balance
-
-// Return
-"3.00050001 SOL"
-```
-
-### Confirm Transaction
-
-```bash
-// Command
-$ solana confirm <TX_SIGNATURE>
-
-// Return
-"Confirmed" / "Not found" / "Transaction failed with error <ERR>"
-```
-
-### Deploy program
-
-```bash
-// Command
-$ solana deploy <PATH>
-
-// Return
-<PROGRAM_ID>
-```
-
-### Unconditional Immediate Transfer
-
-```bash
-// Command
-$ solana pay <PUBKEY> 123
-
-// Return
-<TX_SIGNATURE>
-```
-
-### Post-Dated Transfer
-
-```bash
-// Command
-$ solana pay <PUBKEY> 123 \
-    --after 2018-12-24T23:59:00 --require-timestamp-from <PUBKEY>
-
-// Return
-{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
-```
-
-_`require-timestamp-from` is optional. If not provided, the transaction will expect a timestamp signed by this wallet's private key_
-
-### Authorized Transfer
-
-A third party must send a signature to unlock the lamports.
-
-```bash
-// Command
-$ solana pay <PUBKEY> 123 \
-    --require-signature-from <PUBKEY>
-
-// Return
-{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
-```
-
-### Post-Dated and Authorized Transfer
-
-```bash
-// Command
-$ solana pay <PUBKEY> 123 \
-    --after 2018-12-24T23:59 --require-timestamp-from <PUBKEY> \
-    --require-signature-from <PUBKEY>
-
-// Return
-{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
-```
-
-### Multiple Witnesses
-
-```bash
-// Command
-$ solana pay <PUBKEY> 123 \
-    --require-signature-from <PUBKEY> \
-    --require-signature-from <PUBKEY>
-
-// Return
-{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
-```
-
-### Cancelable Transfer
-
-```bash
-// Command
-$ solana pay <PUBKEY> 123 \
-    --require-signature-from <PUBKEY> \
-    --cancelable
-
-// Return
-{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
-```
-
-### Cancel Transfer
-
-```bash
-// Command
-$ solana cancel <PROCESS_ID>
-
-// Return
-<TX_SIGNATURE>
-```
-
-### Send Signature
-
-```bash
-// Command
-$ solana send-signature <PUBKEY> <PROCESS_ID>
-
-// Return
-<TX_SIGNATURE>
-```
-
-### Indicate Elapsed Time
-
-Use the current system time:
-
-```bash
-// Command
-$ solana send-timestamp <PUBKEY> <PROCESS_ID>
-
-// Return
-<TX_SIGNATURE>
-```
-
-Or specify some other arbitrary timestamp:
-
-```bash
-// Command
-$ solana send-timestamp <PUBKEY> <PROCESS_ID> --date 2018-12-24T23:59:00
-
-// Return
-<TX_SIGNATURE>
-```
-
-## Usage

book/src/api-reference/blockstreamer.md

@@ -1,6 +1,6 @@
 # Blockstreamer
 
-Solana supports a node type called an _blockstreamer_. This validator variation is intended for applications that need to observe the data plane without participating in transaction validation or ledger replication.
+Solana supports a node type called an _blockstreamer_. This fullnode variation is intended for applications that need to observe the data plane without participating in transaction validation or ledger replication.
 
 A blockstreamer runs without a vote signer, and can optionally stream ledger entries out to a Unix domain socket as they are processed. The JSON-RPC service still functions as on any other node.
 
@@ -24,5 +24,5 @@ The stream will output a series of JSON objects:
   * `s`, the slot height, as unsigned 64-bit integer
   * `h`, the tick height, as unsigned 64-bit integer
   * `l`, the slot leader id, as base-58 encoded string
-  * `hash`, the [blockhash](terminology.md#blockhash), as base-58 encoded string
+  * `id`, the block id, as base-58 encoded string
 

book/src/api-reference/jsonrpc-api.md

@@ -17,17 +17,10 @@ To interact with a Solana node inside a JavaScript application, use the [solana-
 * [confirmTransaction](jsonrpc-api.md#confirmtransaction)
 * [getAccountInfo](jsonrpc-api.md#getaccountinfo)
 * [getBalance](jsonrpc-api.md#getbalance)
-* [getBlockCommitment](jsonrpc-api.md#getblockcommitment)
-* [getBlockTime](jsonrpc-api.md#getblocktime)
 * [getClusterNodes](jsonrpc-api.md#getclusternodes)
-* [getConfirmedBlock](jsonrpc-api.md#getconfirmedblock)
-* [getConfirmedBlocks](jsonrpc-api.md#getconfirmedblocks)
 * [getEpochInfo](jsonrpc-api.md#getepochinfo)
-* [getEpochSchedule](jsonrpc-api.md#getepochschedule)
-* [getGenesisHash](jsonrpc-api.md#getgenesishash)
+* [getGenesisBlockhash](jsonrpc-api.md#getgenesisblockhash)
 * [getLeaderSchedule](jsonrpc-api.md#getleaderschedule)
-* [getMinimumBalanceForRentExemption](jsonrpc-api.md#getminimumbalanceforrentexemption)
-* [getNumBlocksSinceSignatureConfirmation](jsonrpc-api.md#getnumblockssincesignatureconfirmation)
 * [getProgramAccounts](jsonrpc-api.md#getprogramaccounts)
 * [getRecentBlockhash](jsonrpc-api.md#getrecentblockhash)
 * [getSignatureStatus](jsonrpc-api.md#getsignaturestatus)
@@ -36,11 +29,11 @@ To interact with a Solana node inside a JavaScript application, use the [solana-
 * [getSlotsPerSegment](jsonrpc-api.md#getslotspersegment)
 * [getStorageTurn](jsonrpc-api.md#getstorageturn)
 * [getStorageTurnRate](jsonrpc-api.md#getstorageturnrate)
+* [getNumBlocksSinceSignatureConfirmation](jsonrpc-api.md#getnumblockssincesignatureconfirmation)
 * [getTransactionCount](jsonrpc-api.md#gettransactioncount)
 * [getTotalSupply](jsonrpc-api.md#gettotalsupply)
 * [getVersion](jsonrpc-api.md#getversion)
 * [getVoteAccounts](jsonrpc-api.md#getvoteaccounts)
-* [minimumLedgerSlot](jsonrpc-api.md#minimumledgerslot)
 * [requestAirdrop](jsonrpc-api.md#requestairdrop)
 * [sendTransaction](jsonrpc-api.md#sendtransaction)
 * [startSubscriptionChannel](jsonrpc-api.md#startsubscriptionchannel)
@@ -82,31 +75,6 @@ Requests can be sent in batches by sending an array of JSON-RPC request objects
 * Signature: An Ed25519 signature of a chunk of data.
 * Transaction: A Solana instruction signed by a client key-pair.
 
-## Configuring State Commitment
-
-Solana nodes choose which bank state to query based on a commitment requirement
-set by the client. Clients may specify either:
-* `{"commitment":"max"}` - the node will query the most recent bank having reached `MAX_LOCKOUT_HISTORY` confirmations
-* `{"commitment":"recent"}` - the node will query its most recent bank state
-
-The commitment parameter should be included as the last element in the `params` array:
-
-```bash
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getBalance", "params":["83astBRguLMdt2h5U1Tpdq5tjFoJ6noeGwaY3mDLVcri",{"commitment":"max"}]}' 192.168.1.88:8899
-```
-
-#### Default:
-If commitment configuration is not provided, the node will default to `"commitment":"max"`
-
-Only methods that query bank state accept the commitment parameter. They are indicated in the API Reference below.
-
-#### RpcResponse Structure
-Many methods that take a commitment parameter return an RpcResponse JSON object comprised of two parts:
-
-* `context` : An RpcResponseContext JSON structure including a `slot` field at which the operation was evaluated.
-* `value` : The value returned by the operation itself.
-
-
 ## JSON RPC API Reference
 
 ### confirmTransaction
@@ -116,11 +84,10 @@ Returns a transaction receipt
 #### Parameters:
 
 * `string` - Signature of Transaction to confirm, as base-58 encoded string
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
 
 #### Results:
 
-* `RpcResponse<boolean>` - RpcResponse JSON object with `value` field set to Transaction status, boolean true if Transaction is confirmed
+* `boolean` - Transaction status, true if Transaction is confirmed
 
 #### Example:
 
@@ -129,7 +96,7 @@ Returns a transaction receipt
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"confirmTransaction", "params":["5VERv8NMvzbJMEkV8xnrLkEaWRtSz9CosKDYjCJjBRnbJLgp8uirBgmQpjKhoR4tjF3ZpRzrFmBV6UjKdiSZkQUW"]}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":{"context":{"slot":1},"value":true},"id":1}
+{"jsonrpc":"2.0","result":true,"id":1}
 ```
 
 ### getAccountInfo
@@ -139,16 +106,14 @@ Returns all information associated with the account of provided Pubkey
 #### Parameters:
 
 * `string` - Pubkey of account to query, as base-58 encoded string
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
 
 #### Results:
 
-The result value will be an RpcResponse JSON object containing an AccountInfo JSON object.
+The result field will be a JSON object with the following sub fields:
 
-* `RpcResponse<AccountInfo>`, RpcResponse JSON object with `value` field set to AccountInfo, a JSON object containing:
-* `lamports`, number of lamports assigned to this account, as a u64
-* `owner`, base-58 encoded pubkey of the program this account has been assigned to
-* `data`, base-58 encoded data associated with the account
+* `lamports`, number of lamports assigned to this account, as a signed 64-bit integer
+* `owner`, array of 32 bytes representing the program this account has been assigned to
+* `data`, array of bytes representing any data associated with the account
 * `executable`, boolean indicating if the account contains a program \(and is strictly read-only\)
 
 #### Example:
@@ -158,7 +123,7 @@ The result value will be an RpcResponse JSON object containing an AccountInfo JS
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getAccountInfo", "params":["2gVkYWexTHR5Hb2aLeQN3tnngvWzisFKXDUPrgMHpdST"]}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":{"context":{"slot":1},"value":{"executable":false,"owner":"4uQeVj5tqViQh7yWWGStvkEG1Zmhx6uasJtWCJziofM","lamports":1,"data":"Joig2k8Ax4JPMpWhXRyc2jMa7Wejz4X1xqVi3i7QRkmVj1ChUgNc4VNpGUQePJGBAui3c6886peU9GEbjsyeANN8JGStprwLbLwcw5wpPjuQQb9mwrjVmoDQBjj3MzZKgeHn6wmnQ5k8DBFuoCYKWWsJfH2gv9FvCzrN6K1CRcQZzF"}},"id":1}
+{"jsonrpc":"2.0","result":{"executable":false,"owner":[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"lamports":1,"data":[3,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,20,0,0,0,0,0,0,0,50,48,53,48,45,48,49,45,48,49,84,48,48,58,48,48,58,48,48,90,252,10,7,28,246,140,88,177,98,82,10,227,89,81,18,30,194,101,199,16,11,73,133,20,246,62,114,39,20,113,189,32,50,0,0,0,0,0,0,0,247,15,36,102,167,83,225,42,133,127,82,34,36,224,207,130,109,230,224,188,163,33,213,13,5,117,211,251,65,159,197,51,0,0,0,0,0,0]},"id":1}
 ```
 
 ### getBalance
@@ -168,11 +133,10 @@ Returns the balance of the account of provided Pubkey
 #### Parameters:
 
 * `string` - Pubkey of account to query, as base-58 encoded string
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
 
 #### Results:
 
-* `RpcResponse<u64>` - RpcResponse JSON object with `value` field set to quantity
+* `integer` - quantity, as a signed 64-bit integer
 
 #### Example:
 
@@ -181,68 +145,7 @@ Returns the balance of the account of provided Pubkey
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getBalance", "params":["83astBRguLMdt2h5U1Tpdq5tjFoJ6noeGwaY3mDLVcri"]}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":{"context":{"slot":1},"value":0},"id":1}
-```
-
-### getBlockCommitment
-
-Returns commitment for particular block
-
-#### Parameters:
-
-* `u64` - block, identified by Slot
-
-#### Results:
-
-The result field will be a JSON object containing:
-
-* `commitment` - commitment, comprising either:
-  * `null` - Unknown block
-  * `object` - BlockCommitment
-    * `array` - commitment, array of u64 integers logging the amount of cluster stake in lamports that has voted on the block at each depth from 0 to `MAX_LOCKOUT_HISTORY`
-* `totalStake` - total active stake, in lamports, of the current epoch
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getBlockCommitment","params":[5]}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":[{"commitment":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,32]},42],"id":1}
-```
-
-### getBlockTime
-
-Returns the estimated production time of a block.
-
-Each validator reports their UTC time to the ledger on a regular interval by
-intermittently adding a timestamp to a Vote for a particular block. A requested
-block's time is calculated from the stake-weighted mean of the Vote timestamps
-in a set of recent blocks recorded on the ledger.
-
-Nodes that are booting from snapshot or limiting ledger size (by purging old
-slots) will return null timestamps for blocks below their lowest root +
-`TIMESTAMP_SLOT_RANGE`. Users interested in having this historical data must
-query a node that is built from genesis and retains the entire ledger.
-
-#### Parameters:
-
-* `u64` - block, identified by Slot
-
-#### Results:
-
-* `null` - block has not yet been produced
-* `i64` - estimated production time, as Unix timestamp (seconds since the Unix epoch)
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getBlockTime","params":[5]}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":1574721591,"id":1}
+{"jsonrpc":"2.0","result":0,"id":1}
 ```
 
 ### getClusterNodes
@@ -272,80 +175,13 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "
 {"jsonrpc":"2.0","result":[{"gossip":"10.239.6.48:8001","pubkey":"9QzsJf7LPLj8GkXbYT3LFDKqsj2hHG7TA3xinJHu8epQ","rpc":"10.239.6.48:8899","tpu":"10.239.6.48:8856"}],"id":1}
 ```
 
-### getConfirmedBlock
-
-Returns identity and transaction information about a confirmed block in the ledger
-
-#### Parameters:
-
-* `integer` - slot, as u64 integer
-* `string` - (optional) encoding for each returned Transaction, either "json" or "binary". If not provided, the default encoding is JSON.
-
-#### Results:
-
-The result field will be an object with the following fields:
-
-* `blockhash` - the blockhash of this block, as base-58 encoded string
-* `previousBlockhash` - the blockhash of this block's parent, as base-58 encoded string
-* `parentSlot` - the slot index of this block's parent
-* `transactions` - an array of JSON objects containing:
-  * `transaction` - [Transaction](transaction-api.md) object, either in JSON format or base-58 encoded binary data, depending on encoding parameter
-  * `meta` - transaction status metadata object, containing `null` or:
-     * `status` - Transaction status:
-       * `"Ok": null` - Transaction was successful
-       * `"Err": <ERR>` - Transaction failed with TransactionError  [TransactionError definitions](https://github.com/solana-labs/solana/blob/master/sdk/src/transaction.rs#L14)
-     * `fee` - fee this transaction was charged, as u64 integer
-     * `preBalances` - array of u64 account balances from before the transaction was processed
-     * `postBalances` - array of u64 account balances after the transaction was processed
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedBlock","params":[430, "json"]}' localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":{"blockhash":"Gp3t5bfDsJv1ovP8cB1SuRhXVuoTqDv7p3tymyubYg5","parentSlot":429,"previousBlockhash":"EFejToxii1L5aUF2NrK9dsbAEmZSNyN5nsipmZHQR1eA","transactions":[[{"message":{"accountKeys":["6H94zdiaYfRfPfKjYLjyr2VFBg6JHXygy84r3qhc3NsC","39UAy8hsoYPywGPGdmun747omSr79zLSjqvPJN3zetoH","SysvarS1otHashes111111111111111111111111111","SysvarC1ock11111111111111111111111111111111","Vote111111111111111111111111111111111111111"],"header":{"numReadonlySignedAccounts":0,"numReadonlyUnsignedAccounts":3,"numRequiredSignatures":2},"instructions":[{"accounts":[1,2,3],"data":"29z5mr1JoRmJYQ6ynmk3pf31cGFRziAF1M3mT3L6sFXf5cKLdkEaMXMT8AqLpD4CpcupHmuMEmtZHpomrwfdZetSomNy3d","programIdIndex":4}],"recentBlockhash":"EFejToxii1L5aUF2NrK9dsbAEmZSNyN5nsipmZHQR1eA"},"signatures":["35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby","4vANMjSKiwEchGSXwVrQkwHnmsbKQmy9vdrsYxWdCup1bLsFzX8gKrFTSVDCZCae2dbxJB9mPNhqB2sD1vvr4sAD"]},{"fee":18000,"postBalances":[499999972500,15298080,1,1,1],"preBalances":[499999990500,15298080,1,1,1],"status":{"Ok":null}}]]},"id":1}
-
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedBlock","params":[430, "binary"]}' localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":{"blockhash":"Gp3t5bfDsJv1ovP8cB1SuRhXVuoTqDv7p3tymyubYg5","parentSlot":429,"previousBlockhash":"EFejToxii1L5aUF2NrK9dsbAEmZSNyN5nsipmZHQR1eA","transactions":[["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",{"fee":18000,"postBalances":[499999972500,15298080,1,1,1],"preBalances":[499999990500,15298080,1,1,1],"status":{"Ok":null}}]]},"id":1}
-```
-
-### getConfirmedBlocks
-
-Returns a list of confirmed blocks
-
-#### Parameters:
-
-* `integer` - start_slot, as u64 integer
-* `integer` - (optional) end_slot, as u64 integer
-
-#### Results:
-
-The result field will be an array of u64 integers listing confirmed blocks
-between start_slot and either end_slot, if provided, or latest confirmed block,
-inclusive.
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedBlocks","params":[5, 10]}' localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":[5,6,7,8,9,10],"id":1}
-```
-
 ### getEpochInfo
 
 Returns information about the current epoch
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
@@ -365,37 +201,9 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 {"jsonrpc":"2.0","result":{"epoch":3,"slotIndex":126,"slotsInEpoch":256},"id":1}
 ```
 
-### getEpochSchedule
+### getGenesisBlockhash
 
-Returns epoch schedule information from this cluster's genesis config
-
-#### Parameters:
-
-None
-
-#### Results:
-
-The result field will be an object with the following fields:
-
-* `slotsPerEpoch`, the maximum number of slots in each epoch
-* `leaderScheduleSlotOffset`, the number of slots before beginning of an epoch to calculate a leader schedule for that epoch
-* `warmup`, whether epochs start short and grow
-* `firstNormalEpoch`, first normal-length epoch, log2(slotsPerEpoch) - log2(MINIMUM_SLOTS_PER_EPOCH)
-* `firstNormalSlot`, MINIMUM_SLOTS_PER_EPOCH * (2.pow(firstNormalEpoch) - 1)
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getEpochSchedule"}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":{"firstNormalEpoch":8,"firstNormalSlot":8160,"leaderScheduleSlotOffset":8192,"slotsPerEpoch":8192,"warmup":true},"id":1}
-```
-
-### getGenesisHash
-
-Returns the genesis hash
+Returns the genesis block hash
 
 #### Parameters:
 
@@ -409,7 +217,7 @@ None
 
 ```bash
 // Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getGenesisHash"}' http://localhost:8899
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getGenesisBlockhash"}' http://localhost:8899
 
 // Result
 {"jsonrpc":"2.0","result":"GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC","id":1}
@@ -417,18 +225,15 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 
 ### getLeaderSchedule
 
-Returns the leader schedule for an epoch
+Returns the leader schedule for the current epoch
 
 #### Parameters:
 
-* `slot` - (optional) Fetch the leader schedule for the epoch that corresponds to the provided slot.  If unspecified, the leader schedule for the current epoch is fetched
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
-The result field will be a dictionary of leader public keys \(as base-58 encoded
-strings\) and their corresponding leader slot indices as values (indices are to
-the first slot in the requested epoch)
+The result field will be an array of leader public keys \(as base-58 encoded strings\) for each slot in the current epoch
 
 #### Example:
 
@@ -437,53 +242,7 @@ the first slot in the requested epoch)
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getLeaderSchedule"}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":{"4Qkev8aNZcqFNSRhQzwyLMFSsi94jHqE8WNVTJzTP99F":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]},"id":1}
-```
-
-### getMinimumBalanceForRentExemption
-
-Returns minimum balance required to make account rent exempt.
-
-#### Parameters:
-
-* `u64` - account data length
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
-
-#### Results:
-
-* `u64` - minimum lamports required in account
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getMinimumBalanceForRentExemption", "params":[50]}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":500,"id":1}
-```
-
-### getNumBlocksSinceSignatureConfirmation
-
-Returns the current number of blocks since signature has been confirmed.
-
-#### Parameters:
-
-* `string` - Signature of Transaction to confirm, as base-58 encoded string
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
-
-#### Results:
-
-* `u64` - count
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getNumBlocksSinceSignatureConfirmation", "params":["5VERv8NMvzbJMEkV8xnrLkEaWRtSz9CosKDYjCJjBRnbJLgp8uirBgmQpjKhoR4tjF3ZpRzrFmBV6UjKdiSZkQUW"]}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":8,"id":1}
+{"jsonrpc":"2.0","result":[...],"id":1}
 ```
 
 ### getProgramAccounts
@@ -493,26 +252,25 @@ Returns all accounts owned by the provided program Pubkey
 #### Parameters:
 
 * `string` - Pubkey of program, as base-58 encoded string
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
 
 #### Results:
 
 The result field will be an array of arrays. Each sub array will contain:
 
 * `string` - the account Pubkey as base-58 encoded string and a JSON object, with the following sub fields:
-* `lamports`, number of lamports assigned to this account, as a u64
-* `owner`, base-58 encoded pubkey of the program this account has been assigned to
-* `data`, base-58 encoded data associated with the account
+* `lamports`, number of lamports assigned to this account, as a signed 64-bit integer
+* `owner`, array of 32 bytes representing the program this account has been assigned to
+* `data`, array of bytes representing any data associated with the account
 * `executable`, boolean indicating if the account contains a program \(and is strictly read-only\)
 
 #### Example:
 
 ```bash
 // Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getProgramAccounts", "params":["4Nd1mBQtrMJVYVfKf2PJy9NZUZdTAsp7D4xWLs4gDB4T"]}' http://localhost:8899
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getProgramAccounts", "params":["8nQwAgzN2yyUzrukXsCa3JELBYqDQrqJ3UyHiWazWxHR"]}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":[["BqGKYtAKu69ZdWEBtZHh4xgJY1BYa2YBiBReQE3pe383", {"executable":false,"owner":"4Nd1mBQtrMJVYVfKf2PJy9NZUZdTAsp7D4xWLs4gDB4T","lamports":1,"data":"", ["8nQwAgzN2yyUzrukXsCa3JELBYqDQrqJ3UyHiWazWxHR", {"executable":false,"owner":"4Nd1mBQtrMJVYVfKf2PJy9NZUZdTAsp7D4xWLs4gDB4T","lamports":10,"data":[]]]},"id":1}
+{"jsonrpc":"2.0","result":[["BqGKYtAKu69ZdWEBtZHh4xgJY1BYa2YBiBReQE3pe383", {"executable":false,"owner":[50,28,250,90,221,24,94,136,147,165,253,136,1,62,196,215,225,34,222,212,99,84,202,223,245,13,149,99,149,231,91,96],"lamports":1,"data":[]], ["4Nd1mBQtrMJVYVfKf2PJy9NZUZdTAsp7D4xWLs4gDB4T", {"executable":false,"owner":[50,28,250,90,221,24,94,136,147,165,253,136,1,62,196,215,225,34,222,212,99,84,202,223,245,13,149,99,149,231,91,96],"lamports":10,"data":[]]]},"id":1}
 ```
 
 ### getRecentBlockhash
@@ -521,15 +279,14 @@ Returns a recent block hash from the ledger, and a fee schedule that can be used
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
-An RpcResponse containing a JSON object consisting of a string blockhash and FeeCalculator JSON object.
+An array consisting of
 
-* `RpcResponse<array>` - RpcResponse JSON object with `value` field set to a JSON object including:
-* `blockhash` - a Hash as base-58 encoded string
-* `feeCalculator` - FeeCalculator object, the fee schedule for this block hash
+* `string` - a Hash as base-58 encoded string
+* `FeeCalculator object` - the fee schedule for this block hash
 
 #### Example:
 
@@ -538,7 +295,7 @@ An RpcResponse containing a JSON object consisting of a string blockhash and Fee
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getRecentBlockhash"}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":{"context":{"slot":1},"value":{"blockhash": "GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC","feeCalculator":{"lamportsPerSignature": 0}}},"id":1}
+{"jsonrpc":"2.0","result":["GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC",{"lamportsPerSignature": 0}],"id":1}
 ```
 
 ### getSignatureStatus
@@ -548,7 +305,6 @@ Returns the status of a given signature. This method is similar to [confirmTrans
 #### Parameters:
 
 * `string` - Signature of Transaction to confirm, as base-58 encoded string
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
 
 #### Results:
 
@@ -573,7 +329,7 @@ Returns the current slot the node is processing
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
@@ -586,7 +342,7 @@ Returns the current slot the node is processing
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getSlot"}' http://localhost:8899
 
 // Result
-{"jsonrpc":"2.0","result":1234,"id":1}
+{"jsonrpc":"2.0","result":"1234","id":1}
 ```
 
 ### getSlotLeader
@@ -595,7 +351,7 @@ Returns the current slot leader
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
@@ -617,7 +373,7 @@ Returns the current storage segment size in terms of slots
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
@@ -629,7 +385,7 @@ Returns the current storage segment size in terms of slots
 // Request
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getSlotsPerSegment"}' http://localhost:8899
 // Result
-{"jsonrpc":"2.0","result":1024,"id":1}
+{"jsonrpc":"2.0","result":"1024","id":1}
 ```
 
 ### getStorageTurn
@@ -642,10 +398,10 @@ None
 
 #### Results:
 
-A JSON object consisting of
+An array consisting of
 
-* `blockhash` - a Hash as base-58 encoded string indicating the blockhash of the turn slot
-* `slot` - the current storage turn slot
+* `string` - a Hash as base-58 encoded string indicating the blockhash of the turn slot
+* `u64` - the current storage turn slot
 
 #### Example:
 
@@ -653,7 +409,7 @@ A JSON object consisting of
 // Request
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getStorageTurn"}' http://localhost:8899
  // Result
-{"jsonrpc":"2.0","result":{"blockhash": "GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC", "slot": "2048"},"id":1}
+{"jsonrpc":"2.0","result":["GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC", "2048"],"id":1}
 ```
 
 ### getStorageTurnRate
@@ -674,7 +430,29 @@ None
 // Request
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getStorageTurnRate"}' http://localhost:8899
  // Result
-{"jsonrpc":"2.0","result":1024,"id":1}
+{"jsonrpc":"2.0","result":"1024","id":1}
+```
+
+### getNumBlocksSinceSignatureConfirmation
+
+Returns the current number of blocks since signature has been confirmed.
+
+#### Parameters:
+
+* `string` - Signature of Transaction to confirm, as base-58 encoded string
+
+#### Results:
+
+* `integer` - count, as unsigned 64-bit integer
+
+#### Example:
+
+```bash
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getNumBlocksSinceSignatureConfirmation", "params":["5VERv8NMvzbJMEkV8xnrLkEaWRtSz9CosKDYjCJjBRnbJLgp8uirBgmQpjKhoR4tjF3ZpRzrFmBV6UjKdiSZkQUW"]}' http://localhost:8899
+
+// Result
+{"jsonrpc":"2.0","result":8,"id":1}
 ```
 
 ### getTransactionCount
@@ -683,11 +461,11 @@ Returns the current Transaction count from the ledger
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
-* `u64` - count
+* `integer` - count, as unsigned 64-bit integer
 
 #### Example:
 
@@ -705,11 +483,11 @@ Returns the current total supply in Lamports
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
-* `u64` - Total supply
+* `integer` - Total supply, as unsigned 64-bit integer
 
 #### Example:
 
@@ -750,7 +528,7 @@ Returns the account info and associated stake for all the voting accounts in the
 
 #### Parameters:
 
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+None
 
 #### Results:
 
@@ -760,7 +538,7 @@ The result field will be a JSON object of `current` and `delinquent` accounts, e
 * `nodePubkey` - Node public key, as base-58 encoded string
 * `activatedStake` - the stake, in lamports, delegated to this vote account and active in this epoch
 * `epochVoteAccount` - bool, whether the vote account is staked for this epoch
-* `commission`, percentage (0-100) of rewards payout owed to the vote account
+* `commission`, an 8-bit integer used as a fraction \(commission/MAX\_U8\) for rewards payout
 * `lastVote` - Most recent slot voted on by this vote account
 
 #### Example:
@@ -773,29 +551,6 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 {"jsonrpc":"2.0","result":{"current":[{"commission":0,"epochVoteAccount":true,"nodePubkey":"B97CCUW3AEZFGy6uUg6zUdnNYvnVq5VG8PUtb2HayTDD","lastVote":147,"activatedStake":42,"votePubkey":"3ZT31jkAGhUaw8jsy4bTknwBMP8i4Eueh52By4zXcsVw"}],"delinquent":[{"commission":127,"epochVoteAccount":false,"nodePubkey":"6ZPxeQaDo4bkZLRsdNrCzchNQr5LN9QMc9sipXv9Kw8f","lastVote":0,"activatedStake":0,"votePubkey":"CmgCk4aMS7KW1SHX3s9K5tBJ6Yng2LBaC8MFov4wx9sm"}]},"id":1}
 ```
 
-### minimumLedgerSlot
-
-Returns the lowest slot that the node has information about in its ledger.  This
-value may increase over time if the node is configured to purge older ledger data
-
-#### Parameters:
-
-None
-
-#### Results:
-
-* `u64` - Minimum ledger slot
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"minimumLedgerSlot"}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":1234,"id":1}
-```
-
 ### requestAirdrop
 
 Requests an airdrop of lamports to a Pubkey
@@ -803,8 +558,7 @@ Requests an airdrop of lamports to a Pubkey
 #### Parameters:
 
 * `string` - Pubkey of account to receive lamports, as base-58 encoded string
-* `integer` - lamports, as a u64
-* `object` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment) (used for retrieving blockhash and verifying airdrop success)
+* `integer` - lamports, as a signed 64-bit integer
 
 #### Results:
 
@@ -894,7 +648,7 @@ Subscribe to an account to receive notifications when the lamports or data for a
 #### Notification Format:
 
 ```bash
-{"jsonrpc": "2.0","method": "accountNotification", "params": {"result": {"executable":false,"owner":"4uQeVj5tqViQh7yWWGStvkEG1Zmhx6uasJtWCJziofM","lamports":1,"data":"Joig2k8Ax4JPMpWhXRyc2jMa7Wejz4X1xqVi3i7QRkmVj1ChUgNc4VNpGUQePJGBAui3c6886peU9GEbjsyeANN8JGStprwLbLwcw5wpPjuQQb9mwrjVmoDQBjj3MzZKgeHn6wmnQ5k8DBFuoCYKWWsJfH2gv9FvCzrN6K1CRcQZzF"},"subscription":0}}
+{"jsonrpc": "2.0","method": "accountNotification", "params": {"result": {"executable":false,"owner":[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"lamports":1,"data":[3,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,20,0,0,0,0,0,0,0,50,48,53,48,45,48,49,45,48,49,84,48,48,58,48,48,58,48,48,90,252,10,7,28,246,140,88,177,98,82,10,227,89,81,18,30,194,101,199,16,11,73,133,20,246,62,114,39,20,113,189,32,50,0,0,0,0,0,0,0,247,15,36,102,167,83,225,42,133,127,82,34,36,224,207,130,109,230,224,188,163,33,213,13,5,117,211,251,65,159,197,51,0,0,0,0,0,0]},"subscription":0}}
 ```
 
 ### accountUnsubscribe
@@ -952,7 +706,7 @@ Subscribe to a program to receive notifications when the lamports or data for a
 * `object` - account info JSON object \(see [getAccountInfo](jsonrpc-api.md#getaccountinfo) for field details\)
 
   ```bash
-  {"jsonrpc":"2.0","method":"programNotification","params":{{"result":{"pubkey": "8Rshv2oMkPu5E4opXTRyuyBeZBqQ4S477VG26wUTFxUM","account":{"executable":false,"lamports":1,"owner":"9gZbPtbtHrs6hEWgd6MbVY9VPFtS5Z8xKtnYwA2NynHV","data":"4SZWhnbSt3njU4QHVgPrWeekz1BudU4ttmdr9ezmrL4X6XeLeL83xVAo6ZdxwU3oXgHNeF2q6tWZbnVnBXmvNyeLVEGt8ZQ4ZmgjHfVNCEwBtzh2aDrHgQSjBFLYAdmM3uwBhcm1EyHJLeUiFqpsoAUhn6Vphwrpf44dWRAGsAJZbzvVrUW9bfucpR7xudHHg2MxQ2CdqsfS3TfWUJY3vaf2A4AUNzfAmNPHBGi99nU2hYubGSVSPcpVPpdRWQkydgqasBmTosd"}},"subscription":0}}
+  {"jsonrpc":"2.0","method":"programNotification","params":{{"result":["8Rshv2oMkPu5E4opXTRyuyBeZBqQ4S477VG26wUTFxUM",{"executable":false,"lamports":1,"owner":[129,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"data":[1,1,1,0,0,0,0,0,0,0,20,0,0,0,0,0,0,0,50,48,49,56,45,49,50,45,50,52,84,50,51,58,53,57,58,48,48,90,235,233,39,152,15,44,117,176,41,89,100,86,45,61,2,44,251,46,212,37,35,118,163,189,247,84,27,235,178,62,55,89,0,0,0,0,50,0,0,0,0,0,0,0,235,233,39,152,15,44,117,176,41,89,100,86,45,61,2,44,251,46,212,37,35,118,163,189,247,84,27,235,178,62,45,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}],"subscription":0}}
   ```
 
 ### programUnsubscribe
@@ -1031,3 +785,4 @@ Unsubscribe from signature confirmation notification
 // Result
 {"jsonrpc": "2.0","result": true,"id": 1}
 ```
+

book/src/api-reference/transaction-api.md

@@ -14,7 +14,7 @@
 
       * **num\_credit\_only\_signed\_accounts:** The last
 
-        `num_readonly_signed_accounts` signatures refer to signing
+        `num_credit_only_signed_accounts` signatures refer to signing
 
         credit only accounts. Credit only accounts can be used concurrently
 
@@ -24,21 +24,21 @@
 
       * **num\_credit\_only\_unsigned\_accounts:** The last
 
-        `num_readonly_unsigned_accounts` public keys in `account_keys` refer
+        `num_credit_only_unsigned_accounts` pubkeys in `account_keys` refer
 
         to non-signing credit only accounts
 
-    * **account\_keys:** List of public keys used by the transaction, including
+    * **account\_keys:** List of pubkeys used by the transaction, including
 
       by the instructions and for signatures. The first
 
-      `num_required_signatures` public keys must sign the transaction.
+      `num_required_signatures` pubkeys must sign the transaction.
 
     * **recent\_blockhash:** The ID of a recent ledger entry. Validators will
 
       reject transactions with a `recent_blockhash` that is too old.
 
-    * **instructions:** A list of [instructions](https://github.com/solana-labs/solana/tree/aacead62c0eb052068172eba6b53fc85874d6d54/book/src/instruction.md) that are
+    * **instructions:** A list of [instructions](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/instruction.md) that are
 
       run sequentially and committed in one atomic transaction if all
 
@@ -47,7 +47,7 @@
 
     list is always of length `num_required_signatures`, and the signature
 
-    at index `i` corresponds to the public key at index `i` in `account_keys`.
+    at index `i` corresponds to the pubkey at index `i` in `account_keys`.
 
     The list is initialized with empty signatures \(i.e. zeros\), and
 
@@ -55,8 +55,9 @@
 
 ## Transaction Signing
 
-A `Transaction` is signed by using an ed25519 keypair to sign the serialization of the `message`. The resulting signature is placed at the index of `signatures` matching the index of the keypair's public key in `account_keys`.
+A `Transaction` is signed by using an ed25519 keypair to sign the serialization of the `message`. The resulting signature is placed at the index of `signatures` matching the index of the keypair's pubkey in `account_keys`.
 
 ## Transaction Serialization
 
 `Transaction`s \(and their `message`s\) are serialized and deserialized using the [bincode](https://crates.io/crates/bincode) crate with a non-standard vector serialization that uses only one byte for the length if it can be encoded in 7 bits, 2 bytes if it fits in 14 bits, or 3 bytes if it requires 15 or 16 bits. The vector serialization is defined by Solana's [short-vec](https://github.com/solana-labs/solana/blob/master/sdk/src/short_vec.rs).
+

book/src/block-confirmation.md

@@ -17,7 +17,7 @@ height of the block it is voting on. The account stores the 32 highest heights.
 * Only the validator knows how to find its own votes directly.
 
   Other components, such as the one that calculates confirmation time, needs to
-  be baked into the validator code. The validator code queries the bank for all
+  be baked into the fullnode code. The fullnode code queries the bank for all
   accounts owned by the vote program.
 
 * Voting ballots do not contain a PoH hash. The validator is only voting that

book/src/blockstreamer.md

@@ -0,0 +1,37 @@
+# Blockstreamer
+
+Solana supports a node type called an *blockstreamer*. This fullnode variation
+is intended for applications that need to observe the data plane without
+participating in transaction validation or ledger replication.
+
+A blockstreamer runs without a vote signer, and can optionally stream ledger
+entries out to a Unix domain socket as they are processed. The JSON-RPC service
+still functions as on any other node.
+
+To run a blockstreamer, include the argument `no-signer` and (optional)
+`blockstream` socket location:
+
+```bash
+$ ./multinode-demo/validator-x.sh --no-signer --blockstream <SOCKET>
+```
+
+The stream will output a series of JSON objects:
+- An Entry event JSON object is sent when each ledger entry is processed, with
+the following fields:
+
+   * `dt`, the system datetime, as RFC3339-formatted string
+   * `t`, the event type, always "entry"
+   * `s`, the slot height, as unsigned 64-bit integer
+   * `h`, the tick height, as unsigned 64-bit integer
+   * `entry`, the entry, as JSON object
+
+
+- A Block event JSON object is sent when a block is complete, with the
+following fields:
+
+   * `dt`, the system datetime, as RFC3339-formatted string
+   * `t`, the event type, always "block"
+   * `s`, the slot height, as unsigned 64-bit integer
+   * `h`, the tick height, as unsigned 64-bit integer
+   * `l`, the slot leader id, as base-58 encoded string
+   * `id`, the block id, as base-58 encoded string

book/src/blocktree.md

@@ -0,0 +1,102 @@
+# Blocktree
+
+After a block reaches finality, all blocks from that one on down
+to the genesis block form a linear chain with the familiar name
+blockchain. Until that point, however, the validator must maintain all
+potentially valid chains, called *forks*. The process by which forks
+naturally form as a result of leader rotation is described in
+[fork generation](fork-generation.md). The *blocktree* data structure
+described here is how a validator copes with those forks until blocks
+are finalized.
+
+The blocktree allows a validator to record every shred it observes
+on the network, in any order, as long as the shred is signed by the expected
+leader for a given slot.
+
+Shreds are moved to a fork-able key space the tuple of `leader slot` + `shred
+index` (within the slot).  This permits the skip-list structure of the Solana
+protocol to be stored in its entirety, without a-priori choosing which fork to
+follow, which Entries to persist or when to persist them.
+
+Repair requests for recent shreds are served out of RAM or recent files and out
+of deeper storage for less recent shreds, as implemented by the store backing
+Blocktree.
+
+### Functionalities of Blocktree
+
+1. Persistence: the Blocktree lives in the front of the nodes verification
+   pipeline, right behind network receive and signature verification.  If the
+shred received is consistent with the leader schedule (i.e. was signed by the
+leader for the indicated slot), it is immediately stored.
+2. Repair: repair is the same as window repair above, but able to serve any
+   shred that's been received. Blocktree stores shreds with signatures,
+preserving the chain of origination.
+3. Forks: Blocktree supports random access of shreds, so can support a
+   validator's need to rollback and replay from a Bank checkpoint.
+4. Restart: with proper pruning/culling, the Blocktree can be replayed by
+   ordered enumeration of entries from slot 0.  The logic of the replay stage
+(i.e. dealing with forks) will have to be used for the most recent entries in
+the Blocktree.
+
+### Blocktree Design
+
+1. Entries in the Blocktree are stored as key-value pairs, where the key is the concatenated
+slot index and shred index for an entry, and the value is the entry data. Note shred indexes are zero-based for each slot (i.e. they're slot-relative).
+
+2. The Blocktree maintains metadata for each slot, in the `SlotMeta` struct containing:
+      * `slot_index` - The index of this slot
+      * `num_blocks` - The number of blocks in the slot (used for chaining to a previous slot)
+      * `consumed` - The highest shred index `n`, such that for all `m < n`, there exists a shred in this slot with shred index equal to `n` (i.e. the highest consecutive shred index).
+      * `received` - The highest received shred index for the slot
+      * `next_slots` - A list of future slots this slot could chain to. Used when rebuilding
+      the ledger to find possible fork points.
+      * `last_index` - The index of the shred that is flagged as the last shred for this slot. This flag on a shred will be set by the leader for a slot when they are transmitting the last shred for a slot.
+      * `is_rooted` - True iff every block from 0...slot forms a full sequence without any holes. We can derive is_rooted for each slot with the following rules. Let slot(n) be the slot with index `n`, and slot(n).is_full() is true if the slot with index `n` has all the ticks expected for that slot. Let is_rooted(n) be the statement that "the slot(n).is_rooted is true". Then:
+
+      is_rooted(0)
+      is_rooted(n+1) iff (is_rooted(n) and slot(n).is_full()
+
+3. Chaining - When a shred for a new slot `x` arrives, we check the number of blocks (`num_blocks`) for that new slot (this information is encoded in the shred). We then know that this new slot chains to slot `x - num_blocks`.
+
+4. Subscriptions - The Blocktree records a set of slots that have been "subscribed" to. This means entries that chain to these slots will be sent on the Blocktree channel for consumption by the ReplayStage. See the `Blocktree APIs` for details.
+
+5. Update notifications - The Blocktree notifies listeners when slot(n).is_rooted is flipped from false to true for any `n`.
+
+### Blocktree APIs
+
+The Blocktree offers a subscription based API that ReplayStage uses to ask for entries it's interested in. The entries will be sent on a channel exposed by the Blocktree. These subscription API's are as follows:
+   1. `fn get_slots_since(slot_indexes: &[u64]) -> Vec<SlotMeta>`: Returns new slots connecting to any element of the list `slot_indexes`.
+
+   2. `fn get_slot_entries(slot_index: u64, entry_start_index: usize, max_entries: Option<u64>) -> Vec<Entry>`: Returns the entry vector for the slot starting with `entry_start_index`, capping the result at `max` if `max_entries == Some(max)`, otherwise, no upper limit on the length of the return vector is imposed.
+
+Note: Cumulatively, this means that the replay stage will now have to know when a slot is finished, and subscribe to the next slot it's interested in to get the next set of entries. Previously, the burden of chaining slots fell on the Blocktree.
+
+### Interfacing with Bank
+
+The bank exposes to replay stage:
+
+ 1. `prev_hash`: which PoH chain it's working on as indicated by the hash of the last
+    entry it processed
+ 2. `tick_height`: the ticks in the PoH chain currently being verified by this
+    bank
+ 3. `votes`: a stack of records that contain:
+
+    1. `prev_hashes`: what anything after this vote must chain to in PoH
+    2. `tick_height`: the tick height at which this vote was cast
+    3. `lockout period`: how long a chain must be observed to be in the ledger to
+       be able to be chained below this vote
+
+Replay stage uses Blocktree APIs to find the longest chain of entries it can
+hang off a previous vote.  If that chain of entries does not hang off the
+latest vote, the replay stage rolls back the bank to that vote and replays the
+chain from there.
+
+### Pruning Blocktree
+
+Once Blocktree entries are old enough, representing all the possible forks
+becomes less useful, perhaps even problematic for replay upon restart.  Once a
+validator's votes have reached max lockout, however, any Blocktree contents
+that are not on the PoH chain for that vote for can be pruned, expunged.
+
+Replicator nodes will be responsible for storing really old ledger contents,
+and validators need only persist their bank periodically.

book/src/cli.md

@@ -0,0 +1,865 @@
+## solana CLI
+
+The [solana-cli crate](https://crates.io/crates/solana-cli) provides a command-line interface tool for Solana
+
+### Examples
+
+#### Get Pubkey
+
+```sh
+// Command
+$ solana address
+
+// Return
+<PUBKEY>
+```
+
+#### Airdrop SOL/Lamports
+
+```sh
+// Command
+$ solana airdrop 2
+
+// Return
+"2.00000000 SOL"
+
+// Command
+$ solana airdrop 123 --lamports
+
+// Return
+"123 lamports"
+```
+
+#### Get Balance
+
+```sh
+// Command
+$ solana balance
+
+// Return
+"3.00050001 SOL"
+```
+
+#### Confirm Transaction
+
+```sh
+// Command
+$ solana confirm <TX_SIGNATURE>
+
+// Return
+"Confirmed" / "Not found" / "Transaction failed with error <ERR>"
+```
+
+#### Deploy program
+
+```sh
+// Command
+$ solana deploy <PATH>
+
+// Return
+<PROGRAM_ID>
+```
+
+#### Unconditional Immediate Transfer
+
+```sh
+// Command
+$ solana pay <PUBKEY> 123
+
+// Return
+<TX_SIGNATURE>
+```
+
+#### Post-Dated Transfer
+
+```sh
+// Command
+$ solana pay <PUBKEY> 123 \
+    --after 2018-12-24T23:59:00 --require-timestamp-from <PUBKEY>
+
+// Return
+{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
+```
+*`require-timestamp-from` is optional. If not provided, the transaction will expect a timestamp signed by this wallet's private key*
+
+#### Authorized Transfer
+
+A third party must send a signature to unlock the lamports.
+```sh
+// Command
+$ solana pay <PUBKEY> 123 \
+    --require-signature-from <PUBKEY>
+
+// Return
+{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
+```
+
+#### Post-Dated and Authorized Transfer
+
+```sh
+// Command
+$ solana pay <PUBKEY> 123 \
+    --after 2018-12-24T23:59 --require-timestamp-from <PUBKEY> \
+    --require-signature-from <PUBKEY>
+
+// Return
+{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
+```
+
+#### Multiple Witnesses
+
+```sh
+// Command
+$ solana pay <PUBKEY> 123 \
+    --require-signature-from <PUBKEY> \
+    --require-signature-from <PUBKEY>
+
+// Return
+{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
+```
+
+#### Cancelable Transfer
+
+```sh
+// Command
+$ solana pay <PUBKEY> 123 \
+    --require-signature-from <PUBKEY> \
+    --cancelable
+
+// Return
+{signature: <TX_SIGNATURE>, processId: <PROCESS_ID>}
+```
+
+#### Cancel Transfer
+
+```sh
+// Command
+$ solana cancel <PROCESS_ID>
+
+// Return
+<TX_SIGNATURE>
+```
+
+#### Send Signature
+
+```sh
+// Command
+$ solana send-signature <PUBKEY> <PROCESS_ID>
+
+// Return
+<TX_SIGNATURE>
+```
+
+#### Indicate Elapsed Time
+
+Use the current system time:
+```sh
+// Command
+$ solana send-timestamp <PUBKEY> <PROCESS_ID>
+
+// Return
+<TX_SIGNATURE>
+```
+
+Or specify some other arbitrary timestamp:
+
+```sh
+// Command
+$ solana send-timestamp <PUBKEY> <PROCESS_ID> --date 2018-12-24T23:59:00
+
+// Return
+<TX_SIGNATURE>
+```
+
+### Usage
+
+```manpage
+solana 0.12.0
+
+USAGE:
+    solana [FLAGS] [OPTIONS] [SUBCOMMAND]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+SUBCOMMANDS:
+    address                               Get your public key
+    airdrop                               Request lamports
+    authorize-voter                       Authorize a new vote signing keypair for the given vote account
+    balance                               Get your balance
+    cancel                                Cancel a transfer
+    claim-storage-reward                  Redeem storage reward credits
+    cluster-version                       Get the version of the cluster entrypoint
+    confirm                               Confirm transaction by signature
+    create-replicator-storage-account     Create a replicator storage account
+    create-storage-mining-pool-account    Create mining pool account
+    create-validator-storage-account      Create a validator storage account
+    create-vote-account                   Create a vote account
+    deactivate-stake                      Deactivate the delegated stake from the stake account
+    delegate-stake                        Delegate stake to a vote account
+    deploy                                Deploy a program
+    fees                                  Display current cluster fees
+    get                                   Get wallet config settings
+    get-slot                              Get current slot
+    get-transaction-count                 Get current transaction count
+    help                                  Prints this message or the help of the given subcommand(s)
+    pay                                   Send a payment
+    ping                                  Submit transactions sequentially
+    redeem-vote-credits                   Redeem credits in the stake account
+    send-signature                        Send a signature to authorize a transfer
+    send-timestamp                        Send a timestamp to unlock a transfer
+    set                                   Set a wallet config setting
+    show-account                          Show the contents of an account
+    show-stake-account                    Show the contents of a stake account
+    show-storage-account                  Show the contents of a storage account
+    show-vote-account                     Show the contents of a vote account
+    validator-info                        Publish/get Validator info on Solana
+    withdraw-stake                        Withdraw the unstaked lamports from the stake account
+```
+
+```manpage
+solana-address
+Get your public key
+
+USAGE:
+    solana address [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+```
+
+```manpage
+solana-airdrop
+Request a batch of lamports
+
+USAGE:
+    solana airdrop [OPTIONS] <AMOUNT> [unit]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>        Configuration file to use [default: /Users/tyeraeulberg/.config/solana/wallet/config.yml]
+        --drone-host <HOST>    Drone host to use [default: the --url host]
+        --drone-port <PORT>    Drone port to use [default: 9900]
+    -u, --url <URL>            JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>       /path/to/id.json
+
+ARGS:
+    <AMOUNT>    The airdrop amount to request (default unit SOL)
+    <unit>      Specify unit to use for request and balance display [possible values: SOL, lamports]
+
+```
+
+```manpage
+solana-authorize-voter
+Authorize a new vote signing keypair for the given vote account
+
+USAGE:
+    solana authorize-voter [OPTIONS] <VOTE ACCOUNT PUBKEY> <CURRENT VOTER KEYPAIR FILE> <NEW VOTER PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <VOTE ACCOUNT PUBKEY>           Vote account in which to set the authorized voter
+    <CURRENT VOTER KEYPAIR FILE>    Keypair file for the currently authorized vote signer
+    <NEW VOTER PUBKEY>              New vote signer to authorize
+
+```
+
+```manpage
+solana-balance
+Get your balance
+
+USAGE:
+    solana balance [FLAGS] [OPTIONS] [PUBKEY]
+
+FLAGS:
+    -h, --help        Prints help information
+        --lamports    Display balance in lamports instead of SOL
+    -V, --version     Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <PUBKEY>    The public key of the balance to check
+```
+
+```manpage
+solana-cancel
+Cancel a transfer
+
+USAGE:
+    solana cancel [OPTIONS] <PROCESS ID>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <PROCESS ID>    The process id of the transfer to cancel
+```
+
+```manpage
+solana-claim-storage-reward
+Redeem storage reward credits
+
+USAGE:
+    solana claim-storage-reward [OPTIONS] <NODE PUBKEY> <STORAGE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <NODE PUBKEY>               The node account to credit the rewards to
+    <STORAGE ACCOUNT PUBKEY>    Storage account address to redeem credits for
+```
+
+```manpage
+solana-cluster-version
+Get the version of the cluster entrypoint
+
+USAGE:
+    solana cluster-version [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+```
+
+```manpage
+solana-confirm
+Confirm transaction by signature
+
+USAGE:
+    solana confirm [OPTIONS] <SIGNATURE>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <SIGNATURE>    The transaction signature to confirm
+```
+
+```manpage
+solana-create-replicator-storage-account
+Create a replicator storage account
+
+USAGE:
+    solana create-replicator-storage-account [OPTIONS] <STORAGE ACCOUNT OWNER PUBKEY> <STORAGE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STORAGE ACCOUNT OWNER PUBKEY>
+    <STORAGE ACCOUNT PUBKEY>
+```
+
+```manpage
+solana-create-storage-mining-pool-account
+Create mining pool account
+
+USAGE:
+    solana create-storage-mining-pool-account [OPTIONS] <STORAGE ACCOUNT PUBKEY> <AMOUNT> [unit]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: /Users/tyeraeulberg/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STORAGE ACCOUNT PUBKEY>    Storage mining pool account address to fund
+    <AMOUNT>                    The amount to assign to the storage mining pool account (default unit SOL)
+    <unit>                      Specify unit to use for request [possible values: SOL, lamports]
+```
+
+```manpage
+solana-create-validator-storage-account
+Create a validator storage account
+
+USAGE:
+    solana create-validator-storage-account [OPTIONS] <STORAGE ACCOUNT OWNER PUBKEY> <STORAGE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STORAGE ACCOUNT OWNER PUBKEY>
+    <STORAGE ACCOUNT PUBKEY>
+```
+
+```manpage
+solana-create-vote-account
+Create a vote account
+
+USAGE:
+    solana create-vote-account [OPTIONS] <VOTE ACCOUNT PUBKEY> <VALIDATOR PUBKEY> <LAMPORTS>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+        --commission <NUM>    The commission taken on reward redemption (0-255), default: 0
+    -C, --config <PATH>       Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>           JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>      /path/to/id.json
+
+ARGS:
+    <VOTE ACCOUNT PUBKEY>    Vote account address to fund
+    <VALIDATOR PUBKEY>       Validator that will vote with this account
+    <LAMPORTS>               The amount of lamports to send to the vote account
+```
+
+```manpage
+solana-deactivate-stake
+Deactivate the delegated stake from the stake account
+
+USAGE:
+    solana deactivate-stake [OPTIONS] <STAKE ACCOUNT KEYPAIR FILE> <PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STAKE ACCOUNT KEYPAIR FILE>    Keypair file for the stake account, for signing the delegate transaction.
+    <PUBKEY>                        The vote account to which the stake is currently delegated
+```
+
+```manpage
+solana-delegate-stake
+Delegate stake to a vote account
+
+USAGE:
+    solana delegate-stake [OPTIONS] <STAKE ACCOUNT KEYPAIR FILE> <VOTE ACCOUNT PUBKEY> <AMOUNT> [unit]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: /Users/tyeraeulberg/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STAKE ACCOUNT KEYPAIR FILE>    Keypair file for the new stake account
+    <VOTE ACCOUNT PUBKEY>           The vote account to which the stake will be delegated
+    <AMOUNT>                        The amount to delegate (default unit SOL)
+    <unit>                          Specify unit to use for request [possible values: SOL, lamports]
+```
+
+```manpage
+solana-deploy
+Deploy a program
+
+USAGE:
+    solana deploy [OPTIONS] <PATH TO PROGRAM>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <PATH TO PROGRAM>    /path/to/program.o
+```
+
+```manpage
+solana-fees
+Display current cluster fees
+
+USAGE:
+    solana fees [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+```
+
+```manpage
+solana-get
+Get wallet config settings
+
+USAGE:
+    solana get [OPTIONS] [CONFIG_FIELD]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <CONFIG_FIELD>    Return a specific config setting [possible values: url, keypair]
+```
+
+```manpage
+solana-get-slot
+Get current slot
+
+USAGE:
+    solana get-slot [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+```
+
+```manpage
+solana-get-transaction-count
+Get current transaction count
+
+USAGE:
+    solana get-transaction-count [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+```
+
+```manpage
+solana-pay
+Send a payment
+
+USAGE:
+    solana pay [FLAGS] [OPTIONS] <PUBKEY> <AMOUNT> [--] [unit]
+
+FLAGS:
+        --cancelable
+    -h, --help          Prints help information
+    -V, --version       Prints version information
+
+OPTIONS:
+    -C, --config <PATH>                         Configuration file to use [default:
+                                                /Users/tyeraeulberg/.config/solana/wallet/config.yml]
+    -u, --url <URL>                             JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>                        /path/to/id.json
+        --after <DATETIME>                      A timestamp after which transaction will execute
+        --require-timestamp-from <PUBKEY>       Require timestamp from this third party
+        --require-signature-from <PUBKEY>...    Any third party signatures required to unlock the lamports
+
+ARGS:
+    <PUBKEY>    The public key of recipient
+    <AMOUNT>    The amount to send (default unit SOL)
+    <unit>      Specify unit to use for request [possible values: SOL, lamports]
+```
+
+```manpage
+solana-ping
+Submit transactions sequentially
+
+USAGE:
+    solana ping [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>         Configuration file to use [default:
+                                ~/.config/solana/wallet/config.yml]
+    -c, --count <NUMBER>        Stop after submitting count transactions
+    -i, --interval <SECONDS>    Wait interval seconds between submitting the next transaction [default: 2]
+    -u, --url <URL>             JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>        /path/to/id.json
+    -t, --timeout <SECONDS>     Wait up to timeout seconds for transaction confirmation [default: 10]
+```
+
+```manpage
+solana-redeem-vote-credits
+Redeem credits in the stake account
+
+USAGE:
+    solana redeem-vote-credits [OPTIONS] <STAKING ACCOUNT PUBKEY> <VOTE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STAKING ACCOUNT PUBKEY>    Staking account address to redeem credits for
+    <VOTE ACCOUNT PUBKEY>       The vote account to which the stake was previously delegated.
+```
+
+```manpage
+solana-send-signature
+Send a signature to authorize a transfer
+
+USAGE:
+    solana send-signature [OPTIONS] <PUBKEY> <PROCESS ID>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <PUBKEY>        The public key of recipient
+    <PROCESS ID>    The process id of the transfer to authorize
+```
+
+```manpage
+solana-send-timestamp
+Send a timestamp to unlock a transfer
+
+USAGE:
+    solana send-timestamp [OPTIONS] <PUBKEY> <PROCESS ID>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>      Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+        --date <DATETIME>    Optional arbitrary timestamp to apply
+    -u, --url <URL>          JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>     /path/to/id.json
+
+ARGS:
+    <PUBKEY>        The public key of recipient
+    <PROCESS ID>    The process id of the transfer to unlock
+```
+
+```manpage
+solana-set
+Set a wallet config setting
+
+USAGE:
+    solana set [OPTIONS] <--url <URL>|--keypair <PATH>>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+```
+
+```manpage
+solana-show-account
+Show the contents of an account
+
+USAGE:
+    solana show-account [FLAGS] [OPTIONS] <ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help        Prints help information
+        --lamports    Display balance in lamports instead of SOL
+    -V, --version     Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+    -o, --output <FILE>     Write the account data to this file
+
+ARGS:
+    <ACCOUNT PUBKEY>    Account public key
+```
+
+```manpage
+solana-show-stake-account
+Show the contents of a stake account
+
+USAGE:
+    solana show-stake-account [OPTIONS] <STAKE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STAKE ACCOUNT PUBKEY>    Stake account public key
+```
+
+```manpage
+solana-show-storage-account
+Show the contents of a storage account
+
+USAGE:
+    solana show-storage-account [OPTIONS] <STORAGE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STORAGE ACCOUNT PUBKEY>    Storage account public key
+```
+
+```manpage
+solana-show-vote-account
+Show the contents of a vote account
+
+USAGE:
+    solana show-vote-account [OPTIONS] <VOTE ACCOUNT PUBKEY>
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <VOTE ACCOUNT PUBKEY>    Vote account public key
+```
+
+```manpage
+solana-validator-info
+Publish/get Validator info on Solana
+
+USAGE:
+    solana validator-info [OPTIONS] [SUBCOMMAND]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: ~/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+SUBCOMMANDS:
+    get        Get and parse Solana Validator info
+    help       Prints this message or the help of the given subcommand(s)
+    publish    Publish Validator info on Solana
+```
+
+```manpage
+solana-withdraw-stake
+Withdraw the unstaked lamports from the stake account
+
+USAGE:
+    solana withdraw-stake [OPTIONS] <STAKE ACCOUNT KEYPAIR FILE> <DESTINATION PUBKEY> <AMOUNT> [unit]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -C, --config <PATH>     Configuration file to use [default: /Users/tyeraeulberg/.config/solana/wallet/config.yml]
+    -u, --url <URL>         JSON RPC URL for the solana cluster
+    -k, --keypair <PATH>    /path/to/id.json
+
+ARGS:
+    <STAKE ACCOUNT KEYPAIR FILE>    Keypair file for the stake account, for signing the withdraw transaction.
+    <DESTINATION PUBKEY>            The account where the lamports should be transfered
+    <AMOUNT>                        The amount to withdraw from the stake account (default unit SOL)
+    <unit>                          Specify unit to use for request [possible values: SOL, lamports]
+```

book/src/cluster-test-framework.md

@@ -0,0 +1,122 @@
+# Cluster Test Framework
+
+This document proposes the Cluster Test Framework (CTF).  CTF is a test harness
+that allows tests to execute against a local, in-process cluster or a
+deployed cluster.
+
+## Motivation
+
+The goal of CTF is to provide a framework for writing tests independent of where
+and how the cluster is deployed. Regressions can be captured in these tests and
+the tests can be run against deployed clusters to verify the deployment.  The
+focus of these tests should be on cluster stability, consensus, fault tolerance,
+API stability.
+
+Tests should verify a single bug or scenario, and should be written with the
+least amount of internal plumbing exposed to the test.
+
+## Design Overview
+
+Tests are provided an entry point, which is a `contact_info::ContactInfo`
+structure, and a keypair that has already been funded.
+
+Each node in the cluster is configured with a `fullnode::ValidatorConfig` at boot
+time.  At boot time this configuration specifies any extra cluster configuration
+required for the test. The cluster should boot with the configuration when it
+is run in-process or in a data center.
+
+Once booted, the test will discover the cluster through a gossip entry point and
+configure any runtime behaviors via fullnode RPC.
+
+## Test Interface
+
+Each CTF test starts with an opaque entry point and a funded keypair.  The test
+should not depend on how the cluster is deployed, and should be able to exercise
+all the cluster functionality through the publicly available interfaces.
+
+```rust,ignore
+use crate::contact_info::ContactInfo;
+use solana_sdk::signature::{Keypair, KeypairUtil};
+pub fn test_this_behavior(
+    entry_point_info: &ContactInfo,
+    funding_keypair: &Keypair,
+    num_nodes: usize,
+)
+```
+
+
+## Cluster Discovery
+
+At test start, the cluster has already been established and is fully connected.
+The test can discover most of the available nodes over a few second.
+
+```rust,ignore
+use crate::gossip_service::discover_nodes;
+
+// Discover the cluster over a few seconds.
+let cluster_nodes = discover_nodes(&entry_point_info, num_nodes);
+```
+
+## Cluster Configuration
+
+To enable specific scenarios, the cluster needs to be booted with special
+configurations.  These configurations can be captured in
+`fullnode::ValidatorConfig`.
+
+For example:
+
+```rust,ignore
+let mut validator_config = ValidatorConfig::default();
+validator_config.rpc_config.enable_fullnode_exit = true;
+let local = LocalCluster::new_with_config(
+                num_nodes,
+                10_000,
+                100,
+                &validator_config
+                );
+```
+
+## How to design a new test
+
+For example, there is a bug that shows that the cluster fails when it is flooded
+with invalid advertised gossip nodes.  Our gossip library and protocol may
+change, but the cluster still needs to stay resilient to floods of invalid
+advertised gossip nodes.
+
+Configure the RPC service:
+
+```rust,ignore
+let mut validator_config = ValidatorConfig::default();
+validator_config.rpc_config.enable_rpc_gossip_push = true;
+validator_config.rpc_config.enable_rpc_gossip_refresh_active_set = true;
+```
+
+Wire the RPCs and write a new test:
+
+```rust,ignore
+pub fn test_large_invalid_gossip_nodes(
+    entry_point_info: &ContactInfo,
+    funding_keypair: &Keypair,
+    num_nodes: usize,
+) {
+    let cluster = discover_nodes(&entry_point_info, num_nodes);
+
+    // Poison the cluster.
+    let client = create_client(entry_point_info.client_facing_addr(), FULLNODE_PORT_RANGE);
+    for _ in 0..(num_nodes * 100) {
+        client.gossip_push(
+            cluster_info::invalid_contact_info()
+        );
+    }
+    sleep(Durration::from_millis(1000));
+
+    // Force refresh of the active set.
+    for node in &cluster {
+        let client = create_client(node.client_facing_addr(), FULLNODE_PORT_RANGE);
+        client.gossip_refresh_active_set();
+    }
+
+    // Verify that spends still work.
+    verify_spends(&cluster);
+}
+```

book/src/cluster.md

@@ -0,0 +1,100 @@
+# A Solana Cluster
+
+A Solana cluster is a set of fullnodes working together to serve client
+transactions and maintain the integrity of the ledger. Many clusters may
+coexist. When two clusters share a common genesis block, they attempt to
+converge. Otherwise, they simply ignore the existence of the other.
+Transactions sent to the wrong one are quietly rejected. In this chapter, we'll
+discuss how a cluster is created, how nodes join the cluster, how they share
+the ledger, how they ensure the ledger is replicated, and how they cope with
+buggy and malicious nodes.
+
+## Creating a Cluster
+
+Before starting any fullnodes, one first needs to create a *genesis block*.
+The block contains entries referencing two public keys, a *mint* and a
+*bootstrap leader*. The fullnode holding the bootstrap leader's private key is
+responsible for appending the first entries to the ledger. It initializes its
+internal state with the mint's account. That account will hold the number of
+native tokens defined by the genesis block. The second fullnode then contacts
+the bootstrap leader to register as a *validator* or *replicator*. Additional
+fullnodes then register with any registered member of the cluster.
+
+A validator receives all entries from the leader and submits votes confirming
+those entries are valid. After voting, the validator is expected to store those
+entries until replicator nodes submit proofs that they have stored copies of
+it. Once the validator observes a sufficient number of copies exist, it deletes
+its copy.
+
+## Joining a Cluster
+
+Validators and replicators enter the cluster via registration messages sent to
+its *control plane*. The control plane is implemented using a *gossip*
+protocol, meaning that a node may register with any existing node, and expect
+its registration to propagate to all nodes in the cluster. The time it takes
+for all nodes to synchronize is proportional to the square of the number of
+nodes participating in the cluster. Algorithmically, that's considered very
+slow, but in exchange for that time, a node is assured that it eventually has
+all the same information as every other node, and that that information cannot
+be censored by any one node.
+
+## Sending Transactions to a Cluster
+
+Clients send transactions to any fullnode's Transaction Processing Unit (TPU)
+port. If the node is in the validator role, it forwards the transaction to the
+designated leader. If in the leader role, the node bundles incoming
+transactions, timestamps them creating an *entry*, and pushes them onto the
+cluster's *data plane*. Once on the data plane, the transactions are validated
+by validator nodes and replicated by replicator nodes, effectively appending
+them to the ledger.
+
+## Confirming Transactions
+
+A Solana cluster is capable of subsecond *confirmation* for up to 150 nodes
+with plans to scale up to hundreds of thousands of nodes. Once fully
+implemented, confirmation times are expected to increase only with the
+logarithm of the number of validators, where the logarithm's base is very high.
+If the base is one thousand, for example, it means that for the first thousand
+nodes, confirmation will be the duration of three network hops plus the time it
+takes the slowest validator of a supermajority to vote. For the next million
+nodes, confirmation increases by only one network hop.
+
+Solana defines confirmation as the duration of time from when the leader
+timestamps a new entry to the moment when it recognizes a supermajority of
+ledger votes.
+
+A gossip network is much too slow to achieve subsecond confirmation once the
+network grows beyond a certain size. The time it takes to send messages to all
+nodes is proportional to the square of the number of nodes. If a blockchain
+wants to achieve low confirmation and attempts to do it using a gossip network,
+it will be forced to centralize to just a handful of nodes.
+
+Scalable confirmation can be achieved using the follow combination of
+techniques:
+
+1. Timestamp transactions with a VDF sample and sign the timestamp.
+2. Split the transactions into batches, send each to separate nodes and have
+   each node share its batch with its peers.
+3. Repeat the previous step recursively until all nodes have all batches.
+
+Solana rotates leaders at fixed intervals, called *slots*. Each leader may only
+produce entries during its allotted slot. The leader therefore timestamps
+transactions so that validators may lookup the public key of the designated
+leader. The leader then signs the timestamp so that a validator may verify the
+signature, proving the signer is owner of the designated leader's public key.
+
+Next, transactions are broken into batches so that a node can send transactions
+to multiple parties without making multiple copies. If, for example, the leader
+needed to send 60 transactions to 6 nodes, it would break that collection of 60
+into batches of 10 transactions and send one to each node. This allows the
+leader to put 60 transactions on the wire, not 60 transactions for each node.
+Each node then shares its batch with its peers. Once the node has collected all
+6 batches, it reconstructs the original set of 60 transactions.
+
+A batch of transactions can only be split so many times before it is so small
+that header information becomes the primary consumer of network bandwidth. At
+the time of this writing, the approach is scaling well up to about 150
+validators. To scale up to hundreds of thousands of validators, each node can
+apply the same technique as the leader node to another set of nodes of equal
+size. We call the technique *data plane fanout*; learn more in the [data plan
+fanout](data-plane-fanout.md) section.

book/src/cluster/README.md

@@ -1,20 +1,20 @@
 # A Solana Cluster
 
-A Solana cluster is a set of validators working together to serve client transactions and maintain the integrity of the ledger. Many clusters may coexist. When two clusters share a common genesis block, they attempt to converge. Otherwise, they simply ignore the existence of the other. Transactions sent to the wrong one are quietly rejected. In this chapter, we'll discuss how a cluster is created, how nodes join the cluster, how they share the ledger, how they ensure the ledger is replicated, and how they cope with buggy and malicious nodes.
+A Solana cluster is a set of fullnodes working together to serve client transactions and maintain the integrity of the ledger. Many clusters may coexist. When two clusters share a common genesis block, they attempt to converge. Otherwise, they simply ignore the existence of the other. Transactions sent to the wrong one are quietly rejected. In this chapter, we'll discuss how a cluster is created, how nodes join the cluster, how they share the ledger, how they ensure the ledger is replicated, and how they cope with buggy and malicious nodes.
 
 ## Creating a Cluster
 
-Before starting any validators, one first needs to create a _genesis config_. The config references two public keys, a _mint_ and a _bootstrap leader_. The validator holding the bootstrap leader's private key is responsible for appending the first entries to the ledger. It initializes its internal state with the mint's account. That account will hold the number of native tokens defined by the genesis config. The second validator then contacts the bootstrap leader to register as a _validator_ or _archiver_. Additional validators then register with any registered member of the cluster.
+Before starting any fullnodes, one first needs to create a _genesis block_. The block contains entries referencing two public keys, a _mint_ and a _bootstrap leader_. The fullnode holding the bootstrap leader's secret key is responsible for appending the first entries to the ledger. It initializes its internal state with the mint's account. That account will hold the number of native tokens defined by the genesis block. The second fullnode then contacts the bootstrap leader to register as a _validator_ or _replicator_. Additional fullnodes then register with any registered member of the cluster.
 
-A validator receives all entries from the leader and submits votes confirming those entries are valid. After voting, the validator is expected to store those entries until archiver nodes submit proofs that they have stored copies of it. Once the validator observes a sufficient number of copies exist, it deletes its copy.
+A validator receives all entries from the leader and submits votes confirming those entries are valid. After voting, the validator is expected to store those entries until replicator nodes submit proofs that they have stored copies of it. Once the validator observes a sufficient number of copies exist, it deletes its copy.
 
 ## Joining a Cluster
 
-Validators and archivers enter the cluster via registration messages sent to its _control plane_. The control plane is implemented using a _gossip_ protocol, meaning that a node may register with any existing node, and expect its registration to propagate to all nodes in the cluster. The time it takes for all nodes to synchronize is proportional to the square of the number of nodes participating in the cluster. Algorithmically, that's considered very slow, but in exchange for that time, a node is assured that it eventually has all the same information as every other node, and that that information cannot be censored by any one node.
+Validators and replicators enter the cluster via registration messages sent to its _control plane_. The control plane is implemented using a _gossip_ protocol, meaning that a node may register with any existing node, and expect its registration to propagate to all nodes in the cluster. The time it takes for all nodes to synchronize is proportional to the square of the number of nodes participating in the cluster. Algorithmically, that's considered very slow, but in exchange for that time, a node is assured that it eventually has all the same information as every other node, and that that information cannot be censored by any one node.
 
 ## Sending Transactions to a Cluster
 
-Clients send transactions to any validator's Transaction Processing Unit \(TPU\) port. If the node is in the validator role, it forwards the transaction to the designated leader. If in the leader role, the node bundles incoming transactions, timestamps them creating an _entry_, and pushes them onto the cluster's _data plane_. Once on the data plane, the transactions are validated by validator nodes and replicated by archiver nodes, effectively appending them to the ledger.
+Clients send transactions to any fullnode's Transaction Processing Unit \(TPU\) port. If the node is in the validator role, it forwards the transaction to the designated leader. If in the leader role, the node bundles incoming transactions, timestamps them creating an _entry_, and pushes them onto the cluster's _data plane_. Once on the data plane, the transactions are validated by validator nodes and replicated by replicator nodes, effectively appending them to the ledger.
 
 ## Confirming Transactions
 
@@ -37,4 +37,5 @@ Solana rotates leaders at fixed intervals, called _slots_. Each leader may only
 
 Next, transactions are broken into batches so that a node can send transactions to multiple parties without making multiple copies. If, for example, the leader needed to send 60 transactions to 6 nodes, it would break that collection of 60 into batches of 10 transactions and send one to each node. This allows the leader to put 60 transactions on the wire, not 60 transactions for each node. Each node then shares its batch with its peers. Once the node has collected all 6 batches, it reconstructs the original set of 60 transactions.
 
-A batch of transactions can only be split so many times before it is so small that header information becomes the primary consumer of network bandwidth. At the time of this writing, the approach is scaling well up to about 150 validators. To scale up to hundreds of thousands of validators, each node can apply the same technique as the leader node to another set of nodes of equal size. We call the technique _data plane fanout_; learn more in the [data plan fanout](https://github.com/solana-labs/solana/tree/aacead62c0eb052068172eba6b53fc85874d6d54/book/src/data-plane-fanout.md) section.
+A batch of transactions can only be split so many times before it is so small that header information becomes the primary consumer of network bandwidth. At the time of this writing, the approach is scaling well up to about 150 validators. To scale up to hundreds of thousands of validators, each node can apply the same technique as the leader node to another set of nodes of equal size. We call the technique _data plane fanout_; learn more in the [data plan fanout](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/data-plane-fanout.md) section.
+

book/src/cluster/fork-generation.md

@@ -12,14 +12,14 @@ Nodes take turns being leader and generating the PoH that encodes state changes.
 2. Leader filters valid transactions.
 3. Leader executes valid transactions updating its state.
 4. Leader packages transactions into entries based off its current PoH slot.
-5. Leader transmits the entries to validator nodes \(in signed shreds\) 1. The PoH stream includes ticks; empty entries that indicate liveness of
+5. Leader transmits the entries to validator nodes \(in signed blobs\)
+   1. The PoH stream includes ticks; empty entries that indicate liveness of
 
       the leader and the passage of time on the cluster.
 
-   1. A leader's stream begins with the tick entries necessary complete the PoH
+   2. A leader's stream begins with the tick entries necessary complete the PoH
 
       back to the leaders most recently observed prior leader slot.
-
 6. Validators retransmit entries to peers in their set and to further
 
    downstream nodes.
@@ -58,7 +58,7 @@ Validators vote based on a greedy choice to maximize their reward described in [
 
 The diagram below represents a validator's view of the PoH stream with possible forks over time. L1, L2, etc. are leader slots, and `E`s represent entries from that leader during that leader's slot. The `x`s represent ticks only, and time flows downwards in the diagram.
 
-![Fork generation](../.gitbook/assets/fork-generation.svg)
+![Fork generation](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/fork-generation.svg)
 
 Note that an `E` appearing on 2 forks at the same slot is a slashable condition, so a validator observing `E3` and `E3'` can slash L3 and safely choose `x` for that slot. Once a validator commits to a forks, other forks can be discarded below that tick count. For any slot, validators need only consider a single "has entries" chain or a "ticks only" chain to be proposed by a leader. But multiple virtual entries may overlap as they link back to the a previous slot.
 
@@ -78,3 +78,4 @@ This arrangement of the network data streams permits nodes to save exactly this
 ### Leader's View
 
 When a new leader begins a slot, it must first transmit any PoH \(ticks\) required to link the new slot with the most recently observed and voted slot. The fork the leader proposes would link the current slot to a previous fork that the leader has voted on with virtual ticks.
+

book/src/cluster/leader-rotation.md

@@ -1,6 +1,6 @@
 # Leader Rotation
 
-At any given moment, a cluster expects only one validator to produce ledger entries. By having only one leader at a time, all validators are able to replay identical copies of the ledger. The drawback of only one leader at a time, however, is that a malicious leader is capable of censoring votes and transactions. Since censoring cannot be distinguished from the network dropping packets, the cluster cannot simply elect a single node to hold the leader role indefinitely. Instead, the cluster minimizes the influence of a malicious leader by rotating which node takes the lead.
+At any given moment, a cluster expects only one fullnode to produce ledger entries. By having only one leader at a time, all validators are able to replay identical copies of the ledger. The drawback of only one leader at a time, however, is that a malicious leader is capable of censoring votes and transactions. Since censoring cannot be distinguished from the network dropping packets, the cluster cannot simply elect a single node to hold the leader role indefinitely. Instead, the cluster minimizes the influence of a malicious leader by rotating which node takes the lead.
 
 Each validator selects the expected leader using the same algorithm, described below. When the validator receives a new signed ledger entry, it can be certain that entry was produced by the expected leader. The order of slots which each leader is assigned a slot is called a _leader schedule_.
 
@@ -40,7 +40,7 @@ After observing the cluster for a sufficient amount of time, the leader schedule
 
 ## Leader Schedule Generation at Genesis
 
-The genesis config declares the first leader for the first epoch. This leader ends up scheduled for the first two epochs because the leader schedule is also generated at slot 0 for the next epoch. The length of the first two epochs can be specified in the genesis config as well. The minimum length of the first epochs must be greater than or equal to the maximum rollback depth as defined in [Tower BFT](../implemented-proposals/tower-bft.md).
+The genesis block declares the first leader for the first epoch. This leader ends up scheduled for the first two epochs because the leader schedule is also generated at slot 0 for the next epoch. The length of the first two epochs can be specified in the genesis block as well. The minimum length of the first epochs must be greater than or equal to the maximum rollback depth as defined in [Tower BFT](../implemented-proposals/tower-bft.md).
 
 ## Leader Schedule Generation Algorithm
 
@@ -95,3 +95,4 @@ The lifetime of a leader schedule is called an _epoch_. The epoch is split into
 A leader transmits entries during its slot. After `T` ticks, all the validators switch to the next scheduled leader. Validators must ignore entries sent outside a leader's assigned slot.
 
 All `T` ticks must be observed by the next leader for it to build its own entries on. If entries are not observed \(leader is down\) or entries are invalid \(leader is buggy or malicious\), the next leader must produce ticks to fill the previous leader's slot. Note that the next leader should do repair requests in parallel, and postpone sending ticks until it is confident other validators also failed to observe the previous leader's entries. If a leader incorrectly builds on its own ticks, the leader following it must replace all its ticks.
+

book/src/cluster/ledger-replication.md

@@ -10,9 +10,9 @@ Our improvement on this approach is to randomly sample the encrypted segments fa
 
 ## Network
 
-Validators for PoRep are the same validators that are verifying transactions. If an archiver can prove that a validator verified a fake PoRep, then the validator will not receive a reward for that storage epoch.
+Validators for PoRep are the same validators that are verifying transactions. If a replicator can prove that a validator verified a fake PoRep, then the validator will not receive a reward for that storage epoch.
 
-Archivers are specialized _light clients_. They download a part of the ledger \(a.k.a Segment\) and store it, and provide PoReps of storing the ledger. For each verified PoRep archivers earn a reward of sol from the mining pool.
+Replicators are specialized _light clients_. They download a part of the ledger \(a.k.a Segment\) and store it, and provide PoReps of storing the ledger. For each verified PoRep replicators earn a reward of sol from the mining pool.
 
 ## Constraints
 
@@ -40,9 +40,9 @@ We have the following constraints:
 
 1. SLOTS\_PER\_SEGMENT: Number of slots in a segment of ledger data. The
 
-   unit of storage for an archiver.
+   unit of storage for a replicator.
 
-2. NUM\_KEY\_ROTATION\_SEGMENTS: Number of segments after which archivers
+2. NUM\_KEY\_ROTATION\_SEGMENTS: Number of segments after which replicators
 
    regenerate their encryption keys and select a new dataset to store.
 
@@ -68,7 +68,7 @@ We have the following constraints:
 
 ### Validator behavior
 
-1. Validators join the network and begin looking for archiver accounts at each
+1. Validators join the network and begin looking for replicator accounts at each
 
    storage epoch/turn boundary.
 
@@ -78,11 +78,11 @@ We have the following constraints:
 
    This signed value is also submitted to the validator's storage account and will be used by
 
-   archivers at a later stage to cross-verify.
+   replicators at a later stage to cross-verify.
 
 3. Every `NUM_SLOTS_PER_TURN` slots the validator advertises the PoH value. This is value
 
-   is also served to Archivers via RPC interfaces.
+   is also served to Replicators via RPC interfaces.
 
 4. For a given turn N, all validations get locked out until turn N+3 \(a gap of 2 turn/epoch\).
 
@@ -90,53 +90,53 @@ We have the following constraints:
 
 5. Any incorrect validations will be marked during the turn in between.
 
-### Archiver behavior
+### Replicator behavior
 
-1. Since an archiver is somewhat of a light client and not downloading all the
+1. Since a replicator is somewhat of a light client and not downloading all the
 
-   ledger data, they have to rely on other validators and archivers for information.
+   ledger data, they have to rely on other validators and replicators for information.
 
    Any given validator may or may not be malicious and give incorrect information, although
 
    there are not any obvious attack vectors that this could accomplish besides having the
 
-   archiver do extra wasted work. For many of the operations there are a number of options
+   replicator do extra wasted work.  For many of the operations there are a number of options
 
-   depending on how paranoid an archiver is:
+   depending on how paranoid a replicator is:
 
-   * \(a\) archiver can ask a validator
-   * \(b\) archiver can ask multiple validators
-   * \(c\) archiver can ask other archivers
-   * \(d\) archiver can subscribe to the full transaction stream and generate
+   * \(a\) replicator can ask a validator
+   * \(b\) replicator can ask multiple validators
+   * \(c\) replicator can ask other replicators
+   * \(d\) replicator can subscribe to the full transaction stream and generate
 
      the information itself \(assuming the slot is recent enough\)
 
-   * \(e\) archiver can subscribe to an abbreviated transaction stream to
+   * \(e\) replicator can subscribe to an abbreviated transaction stream to
 
      generate the information itself \(assuming the slot is recent enough\)
 
-2. An archiver obtains the PoH hash corresponding to the last turn with its slot.
-3. The archiver signs the PoH hash with its keypair. That signature is the
+2. A replicator obtains the PoH hash corresponding to the last turn with its slot.
+3. The replicator signs the PoH hash with its keypair. That signature is the
 
    seed used to pick the segment to replicate and also the encryption key. The
 
-   archiver mods the signature with the slot to get which segment to
+   replicator mods the signature with the slot to get which segment to
 
    replicate.
 
-4. The archiver retrives the ledger by asking peer validators and
+4. The replicator retrives the ledger by asking peer validators and
 
-   archivers. See 6.5.
+   replicators. See 6.5.
 
-5. The archiver then encrypts that segment with the key with chacha algorithm
+5. The replicator then encrypts that segment with the key with chacha algorithm
 
    in CBC mode with `NUM_CHACHA_ROUNDS` of encryption.
 
-6. The archiver initializes a chacha rng with the a signed recent PoH value as
+6. The replicator initializes a chacha rng with the a signed recent PoH value as
 
    the seed.
 
-7. The archiver generates `NUM_STORAGE_SAMPLES` samples in the range of the
+7. The replicator generates `NUM_STORAGE_SAMPLES` samples in the range of the
 
    entry size and samples the encrypted segment with sha256 for 32-bytes at each
 
@@ -144,23 +144,23 @@ We have the following constraints:
 
    segment.
 
-8. The archiver sends a PoRep proof transaction which contains its sha state
+8. The replicator sends a PoRep proof transaction which contains its sha state
 
    at the end of the sampling operation, its seed and the samples it used to the
 
    current leader and it is put onto the ledger.
 
-9. During a given turn the archiver should submit many proofs for the same segment
+9. During a given turn the replicator should submit many proofs for the same segment
 
    and based on the `RATIO_OF_FAKE_PROOFS` some of those proofs must be fake.
 
-10. As the PoRep game enters the next turn, the archiver must submit a
+10. As the PoRep game enters the next turn, the replicator must submit a
 
     transaction with the mask of which proofs were fake during the last turn. This
 
-    transaction will define the rewards for both archivers and validators.
+    transaction will define the rewards for both replicators and validators.
 
-11. Finally for a turn N, as the PoRep game enters turn N + 3, archiver's proofs for
+11. Finally for a turn N, as the PoRep game enters turn N + 3, replicator's proofs for
 
     turn N will be counted towards their rewards.
 
@@ -171,19 +171,19 @@ The Proof of Replication game has 4 primary stages. For each "turn" multiple PoR
 The 4 stages of the PoRep Game are as follows:
 
 1. Proof submission stage
-   * Archivers: submit as many proofs as possible during this stage
+   * Replicators: submit as many proofs as possible during this stage
    * Validators: No-op
 2. Proof verification stage
-   * Archivers: No-op
-   * Validators: Select archivers and verify their proofs from the previous turn
+   * Replicators: No-op
+   * Validators: Select replicators and verify their proofs from the previous turn
 3. Proof challenge stage
-   * Archivers: Submit the proof mask with justifications \(for fake proofs submitted 2 turns ago\)
+   * Replicators: Submit the proof mask with justifications \(for fake proofs submitted 2 turns ago\)
    * Validators: No-op
 4. Reward collection stage
-   * Archivers: Collect rewards for 3 turns ago
+   * Replicators: Collect rewards for 3 turns ago
    * Validators:  Collect rewards for 3 turns ago
 
-For each turn of the PoRep game, both Validators and Archivers evaluate each stage. The stages are run as separate transactions on the storage program.
+For each turn of the PoRep game, both Validators and Replicators evaluate each stage. The stages are run as separate transactions on the storage program.
 
 ### Finding who has a given block of ledger
 
@@ -191,15 +191,15 @@ For each turn of the PoRep game, both Validators and Archivers evaluate each sta
 
    at turn boundaries for any proofs.
 
-2. Validators maintain a map of ledger segments and corresponding archiver public keys.
+2. Validators maintain a map of ledger segments and corresponding replicator public keys.
 
-   The map is updated when a Validator processes an archiver's proofs for a segment.
+   The map is updated when a Validator processes a replicator's proofs for a segment.
 
    The validator provides an RPC interface to access the this map. Using this API, clients
 
-   can map a segment to an archiver's network address \(correlating it via cluster\_info table\).
+   can map a segment to a replicator's network address \(correlating it via cluster\_info table\).
 
-   The clients can then send repair requests to the archiver to retrieve segments.
+   The clients can then send repair requests to the replicator to retrieve segments.
 
 3. Validators would need to invalidate this list every N turns.
 
@@ -209,11 +209,11 @@ For any random seed, we force everyone to use a signature that is derived from a
 
 Since there are many more client identities then encryption identities, we need to split the reward for multiple clients, and prevent Sybil attacks from generating many clients to acquire the same block of data. To remain BFT we want to avoid a single human entity from storing all the replications of a single chunk of the ledger.
 
-Our solution to this is to force the clients to continue using the same identity. If the first round is used to acquire the same block for many client identities, the second round for the same client identities will force a redistribution of the signatures, and therefore PoRep identities and blocks. Thus to get a reward for archivers need to store the first block for free and the network can reward long lived client identities more than new ones.
+Our solution to this is to force the clients to continue using the same identity. If the first round is used to acquire the same block for many client identities, the second round for the same client identities will force a redistribution of the signatures, and therefore PoRep identities and blocks. Thus to get a reward for replicators need to store the first block for free and the network can reward long lived client identities more than new ones.
 
 ## Validator attacks
 
-* If a validator approves fake proofs, archiver can easily out them by
+* If a validator approves fake proofs, replicator can easily out them by
 
   showing the initial state for the hash.
 
@@ -221,11 +221,11 @@ Our solution to this is to force the clients to continue using the same identity
 
   to distinguish who is correct. Rewards would have to rely on the results from
 
-  multiple validators to catch bad actors and archivers from being denied rewards.
+  multiple validators to catch bad actors and replicators from being denied rewards.
 
 * Validator stealing mining proof results for itself. The proofs are derived
 
-  from a signature from an archiver, since the validator does not know the
+  from a signature from a replicator, since the validator does not know the
 
   private key used to generate the encryption key, it cannot be the generator of
 
@@ -233,7 +233,7 @@ Our solution to this is to force the clients to continue using the same identity
 
 ## Reward incentives
 
-Fake proofs are easy to generate but difficult to verify. For this reason, PoRep proof transactions generated by archivers may require a higher fee than a normal transaction to represent the computational cost required by validators.
+Fake proofs are easy to generate but difficult to verify. For this reason, PoRep proof transactions generated by replicators may require a higher fee than a normal transaction to represent the computational cost required by validators.
 
 Some percentage of fake proofs are also necessary to receive a reward from storage mining.
 
@@ -247,13 +247,13 @@ Some percentage of fake proofs are also necessary to receive a reward from stora
 
   use the signatures as the seed
 
-* The game between validators and archivers is over random blocks and random
+* The game between validators and replicators is over random blocks and random
 
   encryption identities and random data samples. The goal of randomization is
 
   to prevent colluding groups from having overlap on data or validation.
 
-* Archiver clients fish for lazy validators by submitting fake proofs that
+* Replicator clients fish for lazy validators by submitting fake proofs that
 
   they can prove are fake.
 

book/src/cluster/managing-forks.md

@@ -1,14 +1,14 @@
 # Managing Forks
 
-The ledger is permitted to fork at slot boundaries. The resulting data structure forms a tree called a _blockstore_. When the validator interprets the blockstore, it must maintain state for each fork in the chain. We call each instance an _active fork_. It is the responsibility of a validator to weigh those forks, such that it may eventually select a fork.
+The ledger is permitted to fork at slot boundaries. The resulting data structure forms a tree called a _blocktree_. When the fullnode interprets the blocktree, it must maintain state for each fork in the chain. We call each instance an _active fork_. It is the responsibility of a fullnode to weigh those forks, such that it may eventually select a fork.
 
-A validator selects a fork by submiting a vote to a slot leader on that fork. The vote commits the validator for a duration of time called a _lockout period_. The validator is not permitted to vote on a different fork until that lockout period expires. Each subsequent vote on the same fork doubles the length of the lockout period. After some cluster-configured number of votes \(currently 32\), the length of the lockout period reaches what's called _max lockout_. Until the max lockout is reached, the validator has the option to wait until the lockout period is over and then vote on another fork. When it votes on another fork, it performs a operation called _rollback_, whereby the state rolls back in time to a shared checkpoint and then jumps forward to the tip of the fork that it just voted on. The maximum distance that a fork may roll back is called the _rollback depth_. Rollback depth is the number of votes required to achieve max lockout. Whenever a validator votes, any checkpoints beyond the rollback depth become unreachable. That is, there is no scenario in which the validator will need to roll back beyond rollback depth. It therefore may safely _prune_ unreachable forks and _squash_ all checkpoints beyond rollback depth into the root checkpoint.
+A fullnode selects a fork by submiting a vote to a slot leader on that fork. The vote commits the fullnode for a duration of time called a _lockout period_. The fullnode is not permitted to vote on a different fork until that lockout period expires. Each subsequent vote on the same fork doubles the length of the lockout period. After some cluster-configured number of votes \(currently 32\), the length of the lockout period reaches what's called _max lockout_. Until the max lockout is reached, the fullnode has the option to wait until the lockout period is over and then vote on another fork. When it votes on another fork, it performs a operation called _rollback_, whereby the state rolls back in time to a shared checkpoint and then jumps forward to the tip of the fork that it just voted on. The maximum distance that a fork may roll back is called the _rollback depth_. Rollback depth is the number of votes required to achieve max lockout. Whenever a fullnode votes, any checkpoints beyond the rollback depth become unreachable. That is, there is no scenario in which the fullnode will need to roll back beyond rollback depth. It therefore may safely _prune_ unreachable forks and _squash_ all checkpoints beyond rollback depth into the root checkpoint.
 
 ## Active Forks
 
 An active fork is as a sequence of checkpoints that has a length at least one longer than the rollback depth. The shortest fork will have a length exactly one longer than the rollback depth. For example:
 
-![Forks](../.gitbook/assets/forks.svg)
+![Forks](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/forks.svg)
 
 The following sequences are _active forks_:
 
@@ -19,16 +19,17 @@ The following sequences are _active forks_:
 
 ## Pruning and Squashing
 
-A validator may vote on any checkpoint in the tree. In the diagram above, that's every node except the leaves of the tree. After voting, the validator prunes nodes that fork from a distance farther than the rollback depth and then takes the opportunity to minimize its memory usage by squashing any nodes it can into the root.
+A fullnode may vote on any checkpoint in the tree. In the diagram above, that's every node except the leaves of the tree. After voting, the fullnode prunes nodes that fork from a distance farther than the rollback depth and then takes the opportunity to minimize its memory usage by squashing any nodes it can into the root.
 
 Starting from the example above, wth a rollback depth of 2, consider a vote on 5 versus a vote on 6. First, a vote on 5:
 
-![Forks after pruning](../.gitbook/assets/forks-pruned.svg)
+![Forks after pruning](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/forks-pruned.svg)
 
 The new root is 2, and any active forks that are not descendants from 2 are pruned.
 
 Alternatively, a vote on 6:
 
-![Forks](../.gitbook/assets/forks-pruned2.svg)
+![Forks](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/forks-pruned2.svg)
 
 The tree remains with a root of 1, since the active fork starting at 6 is only 2 checkpoints from the root.
+

book/src/cluster/performance-metrics.md

@@ -14,11 +14,3 @@ Each validator node maintains a list of active ledger forks that are visible to
 
 The node assigns a timestamp to every new fork, and computes the time it took to confirm the fork. This time is reflected as validator confirmation time in performance metrics. The performance dashboard displays the average of each validator node's confirmation time as a time series graph.
 
-## Hardware setup
-
-The validator software is deployed to GCP n1-standard-16 instances with 1TB pd-ssd disk, and 2x Nvidia V100 GPUs. These are deployed in the us-west-1 region.
-
-solana-bench-tps is started after the network converges from a client machine with n1-standard-16 CPU-only instance with the following arguments: `--tx\_count=50000 --thread-batch-sleep 1000`
-
-TPS and confirmation metrics are captured from the dashboard numbers over a 5 minute average of when the bench-tps transfer stage begins.
-

book/src/cluster/stake-delegation-and-rewards.md

@@ -16,7 +16,7 @@ The total stake allocated to a Vote account can be calculated by the sum of all
 
 ## Vote and Stake accounts
 
-The rewards process is split into two on-chain programs. The Vote program solves the problem of making stakes slashable. The Stake program acts as custodian of the rewards pool and provides for passive delegation. The Stake program is responsible for paying rewards to staker and voter when shown that a staker's delegate has participated in validating the ledger.
+The rewards process is split into two on-chain programs. The Vote program solves the problem of making stakes slashable. The Stake account acts as custodian of the rewards pool, and provides passive delegation. The Stake program is responsible for paying out each staker once the staker proves to the Stake program that its delegate has participated in validating the ledger.
 
 ### VoteState
 
@@ -27,42 +27,42 @@ VoteState is the current state of all the votes the validator has submitted to t
 * `root_slot` - The last slot to reach the full lockout commitment necessary for rewards.
 * `commission` - The commission taken by this VoteState for any rewards claimed by staker's Stake accounts. This is the percentage ceiling of the reward.
 * Account::lamports - The accumulated lamports from the commission. These do not count as stakes.
-* `authorized_voter` - Only this identity is authorized to submit votes. This field can only modified by this identity.
-* `node_pubkey` - The Solana node that votes in this account.
-* `authorized_withdrawer` - the identity of the entity in charge of the lamports of this account, separate from the account's
+* `authorized_vote_signer` - Only this identity is authorized to submit votes. This field can only modified by this identity.
 
-  ```text
-                       address and the authorized vote signer
-  ```
-
-### VoteInstruction::Initialize\(VoteInit\)
+### VoteInstruction::Initialize
 
 * `account[0]` - RW - The VoteState
 
-  `VoteInit` carries the new vote account's `node_pubkey`, `authorized_voter`, `authorized_withdrawer`, and `commission`
+  `VoteState::authorized_vote_signer` is initialized to `account[0]`
 
    other VoteState members defaulted
 
-### VoteInstruction::Authorize\(Pubkey, VoteAuthorize\)
-
-Updates the account with a new authorized voter or withdrawer, according to the VoteAuthorize parameter \(`Voter` or `Withdrawer`\). The transaction must be by signed by the Vote account's current `authorized_voter` or `authorized_withdrawer`.
+### VoteInstruction::AuthorizeVoteSigner\(Pubkey\)
 
 * `account[0]` - RW - The VoteState
 
-  `VoteState::authorized_voter` or `authorized_withdrawer` is set to to `Pubkey`.
+  `VoteState::authorized_vote_signer` is set to to `Pubkey`, the transaction must by
 
-### VoteInstruction::Vote\(Vote\)
+   signed by the Vote account's current `authorized_vote_signer`.    
+
+
+   `VoteInstruction::AuthorizeVoter` allows a staker to choose a signing service
+
+  for its votes. That service is responsible for ensuring the vote won't cause
+
+  the staker to be slashed.
+
+### VoteInstruction::Vote\(Vec\)
 
 * `account[0]` - RW - The VoteState
 
   `VoteState::lockouts` and `VoteState::credits` are updated according to voting lockout rules see [Tower BFT](../implemented-proposals/tower-bft.md)
 
-* `account[1]` - RO - `sysvar::slot_hashes` A list of some N most recent slots and their hashes for the vote to be verified against.
-* `account[2]` - RO - `sysvar::clock` The current network time, expressed in slots, epochs.
+* `account[1]` - RO - A list of some N most recent slots and their hashes for the vote to be verified against.
 
 ### StakeState
 
-A StakeState takes one of four forms, StakeState::Uninitialized, StakeState::Initialized, StakeState::Stake, and StakeState::RewardsPool. Only the first three forms are used in staking, but only StakeState::Stake is interesting. All RewardsPools are created at genesis.
+A StakeState takes one of three forms, StakeState::Uninitialized, StakeState::Stake and StakeState::RewardsPool.
 
 ### StakeState::Stake
 
@@ -73,18 +73,7 @@ StakeState::Stake is the current delegation preference of the **staker** and con
 * `voter_pubkey` - The pubkey of the VoteState instance the lamports are delegated to.
 * `credits_observed` - The total credits claimed over the lifetime of the program.
 * `activated` - the epoch at which this stake was activated/delegated. The full stake will be counted after warm up.
-* `deactivated` - the epoch at which this stake was de-activated, some cool down epochs are required before the account
-
-  ```text
-              is fully deactivated, and the stake available for withdrawal
-  ```
-
-* `authorized_staker` - the pubkey of the entity that must sign delegation, activation, and deactivation transactions
-* `authorized_withdrawer` - the identity of the entity in charge of the lamports of this account, separate from the account's
-
-  ```text
-                       address, and the authorized staker
-  ```
+* `deactivated` - the epoch at which this stake will be completely de-activated, which is `cool down` epochs after StakeInstruction::Deactivate is issued.
 
 ### StakeState::RewardsPool
 
@@ -92,22 +81,14 @@ To avoid a single network wide lock or contention in redemption, 256 RewardsPool
 
 The Stakes and the RewardsPool are accounts that are owned by the same `Stake` program.
 
-### StakeInstruction::DelegateStake
+### StakeInstruction::DelegateStake\(u64\)
 
-The Stake account is moved from Ininitialized to StakeState::Stake form. This is how stakers choose their initial delegate validator node and activate their stake account lamports. The transaction must be signed by the stake's `authorized_staker`.  If the stake account is already StakeState::Stake \(i.e. already activated\), the stake is re-delegated.  Stakes may be re-delegated at any time, and updated stakes are reflected immediately, but only one re-delegation is permitted per epoch.
+The Stake account is moved from Uninitialized to StakeState::Stake form. This is how stakers choose their initial delegate validator node and activate their stake account lamports.
 
-* `account[0]` - RW - The StakeState::Stake instance.  `StakeState::Stake::credits_observed` is initialized to `VoteState::credits`,  `StakeState::Stake::voter_pubkey` is initialized to `account[1]`.  If this is the initial delegation of stake, `StakeState::Stake::stake` is initialized to the account's balance in lamports,  `StakeState::Stake::activated` is initialized to the current Bank epoch, and  `StakeState::Stake::deactivated` is initialized to std::u64::MAX
+* `account[0]` - RW - The StakeState::Stake instance.   `StakeState::Stake::credits_observed` is initialized to `VoteState::credits`,  `StakeState::Stake::voter_pubkey` is initialized to `account[1]`,  `StakeState::Stake::stake` is initialized to the u64 passed as an argument above,  `StakeState::Stake::activated` is initialized to current Bank epoch, and  `StakeState::Stake::deactivated` is initialized to std::u64::MAX
 * `account[1]` - R - The VoteState instance.
-* `account[2]` - R - sysvar::clock account, carries information about current Bank epoch
-* `account[3]` - R - stake::Config accoount, carries warmup, cooldown, and slashing configuration
-
-### StakeInstruction::Authorize\(Pubkey, StakeAuthorize\)
-
-Updates the account with a new authorized staker or withdrawer, according to the StakeAuthorize parameter \(`Staker` or `Withdrawer`\). The transaction must be by signed by the Stakee account's current `authorized_staker` or `authorized_withdrawer`.
-
-* `account[0]` - RW - The StakeState
-
-  `StakeState::authorized_staker` or `authorized_withdrawer` is set to to `Pubkey`.
+* `account[2]` - R - sysvar::current account, carries information about current Bank epoch
+* `account[3]` - R - stake\_api::Config accoount, carries warmup, cooldown, and slashing configuration
 
 ### StakeInstruction::RedeemVoteCredits
 
@@ -121,7 +102,7 @@ The Vote account and the Stake account pair maintain a lifetime counter of total
 * `account[3]` - R - sysvar::rewards account from the Bank that carries point value.
 * `account[4]` - R - sysvar::stake\_history account from the Bank that carries stake warmup/cooldown history
 
-Reward is paid out for the difference between `VoteState::credits` to `StakeState::Stake::credits_observed`, multiplied by `sysvar::rewards::Rewards::validator_point_value`. `StakeState::Stake::credits_observed` is updated to`VoteState::credits`. The commission is deposited into the Vote account token balance, and the reward is deposited to the Stake account token balance and the stake account's `stake` is increased by the same amount \(re-invested\).
+Reward is paid out for the difference between `VoteState::credits` to `StakeState::Stake::credits_observed`, multiplied by `sysvar::rewards::Rewards::validator_point_value`. `StakeState::Stake::credits_observed` is updated to`VoteState::credits`. The commission is deposited into the Vote account token balance, and the reward is deposited to the Stake account token balance.
 
 ```text
 let credits_to_claim = vote_state.credits - stake_state.credits_observed;
@@ -133,20 +114,20 @@ stake_state.credits_observed = vote_state.credits;
 ### StakeInstruction::Deactivate
 
 A staker may wish to withdraw from the network. To do so he must first deactivate his stake, and wait for cool down.
-The transaction must be signed by the stake's `authorized_staker`.
 
-* `account[0]` - RW - The StakeState::Stake instance that is deactivating.
-* `account[1]` - R - sysvar::clock account from the Bank that carries current epoch
+* `account[0]` - RW - The StakeState::Stake instance that is deactivating, the transaction must be signed by this key.
+* `account[1]` - R - The VoteState instance to which this stake is delegated, required in case of slashing
+* `account[2]` - R - sysvar::current account from the Bank that carries current epoch
 
 StakeState::Stake::deactivated is set to the current epoch + cool down. The account's stake will ramp down to zero by that epoch, and Account::lamports will be available for withdrawal.
 
 ### StakeInstruction::Withdraw\(u64\)
 
-Lamports build up over time in a Stake account and any excess over activated stake can be withdrawn. The transaction must be signed by the stake's `authorized_withdrawer`.
+Lamports build up over time in a Stake account and any excess over activated stake can be withdrawn.
 
-* `account[0]` - RW - The StakeState::Stake from which to withdraw.
+* `account[0]` - RW - The StakeState::Stake from which to withdraw, the transaction must be signed by this key.
 * `account[1]` - RW - Account that should be credited with the withdrawn lamports.
-* `account[2]` - R - sysvar::clock account from the Bank that carries current epoch, to calculate stake.
+* `account[2]` - R - sysvar::current account from the Bank that carries current epoch, to calculate stake.
 * `account[3]` - R - sysvar::stake\_history account from the Bank that carries stake warmup/cooldown history
 
 ## Benefits of the design
@@ -158,15 +139,15 @@ Lamports build up over time in a Stake account and any excess over activated sta
 
 ## Example Callflow
 
-![Passive Staking Callflow](../.gitbook/assets/passive-staking-callflow.svg)
+![Passive Staking Callflow](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/passive-staking-callflow.svg)
 
 ## Staking Rewards
 
-The specific mechanics and rules of the validator rewards regime is outlined here. Rewards are earned by delegating stake to a validator that is voting correctly. Voting incorrectly exposes that validator's stakes to [slashing](https://github.com/solana-labs/solana/tree/aacead62c0eb052068172eba6b53fc85874d6d54/book/src/staking-and-rewards.md).
+The specific mechanics and rules of the validator rewards regime is outlined here. Rewards are earned by delegating stake to a validator that is voting correctly. Voting incorrectly exposes that validator's stakes to [slashing](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/staking-and-rewards.md).
 
 ### Basics
 
-The network pays rewards from a portion of network [inflation](https://github.com/solana-labs/solana/tree/aacead62c0eb052068172eba6b53fc85874d6d54/book/src/inflation.md). The number of lamports available to pay rewards for an epoch is fixed and must be evenly divided among all staked nodes according to their relative stake weight and participation. The weighting unit is called a [point](../terminology.md#point).
+The network pays rewards from a portion of network [inflation](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/inflation.md). The number of lamports available to pay rewards for an epoch is fixed and must be evenly divided among all staked nodes according to their relative stake weight and participation. The weighting unit is called a [point](../terminology.md#point).
 
 Rewards for an epoch are not available until the end of that epoch.
 
@@ -188,7 +169,7 @@ Stakers who have delegated to that validator earn points in proportion to their
 
 Stakes, once delegated, do not become effective immediately. They must first pass through a warm up period. During this period some portion of the stake is considered "effective", the rest is considered "activating". Changes occur on epoch boundaries.
 
-The stake program limits the rate of change to total network stake, reflected in the stake program's `config::warmup_rate` \(typically 25% per epoch\).
+The stake program limits the rate of change to total network stake, reflected in the stake program's `config::warmup_rate` \(typically 15% per epoch\).
 
 The amount of stake that can be warmed up each epoch is a function of the previous epoch's total effective stake, total activating stake, and the stake program's configured warmup rate.
 
@@ -218,14 +199,11 @@ Were 2 stakes \(X and Y\) to activate at epoch N, they would be awarded a portio
 | :--- | ---: | ---: | ---: | ---: | ---: | ---: |
 | N-1 |  |  |  |  | 2,000 | 0 |
 | N | 0 | 1,000 | 0 | 200 | 2,000 | 1,200 |
-| N+1 | 333 | 667 | 67 | 133 | 2,400 | 800 |
-| N+2 | 733 | 267 | 146 | 54 | 2,880 | 321 |
+| N+1 | 320 | 680 | 80 | 120 | 2,400 | 800 |
+| N+2 | 728 | 272 | 152 | 48 | 2,880 | 320 |
 | N+3 | 1000 | 0 | 200 | 0 | 3,200 | 0 |
 
 ### Withdrawal
 
-Only lamports in excess of effective+activating stake may be withdrawn at any time. This means that during warmup, effectively no stake can be withdrawn. During cooldown, any tokens in excess of effective stake may be withdrawn \(activating == 0\). Because earned rewards are automatically added to stake, withdrawal is generally only possible after deactivation.
+As rewards are earned lamports can be withdrawn from a stake account. Only lamports in excess of effective+activating stake may be withdrawn at any time. This means that during warmup, effectively no stake can be withdrawn. During cooldown, any tokens in excess of effective stake may be withdrawn \(activating == 0\);
 
-### Lock-up
-
-Stake accounts support the notion of lock-up, wherein the stake account balance is unavailable for withdrawal until a specified time. Lock-up is specified as an epoch height, i.e. the minimum epoch height that must be reached by the network before the stake account balance is available for withdrawal, unless the transaction is also signed by a specified custodian. This information is gathered when the stake account is created, and stored in the Lockup field of the stake account's state.

book/src/cluster/synchronization.md

@@ -1,10 +1,10 @@
 # Synchronization
 
-Fast, reliable synchronization is the biggest reason Solana is able to achieve such high throughput. Traditional blockchains synchronize on large chunks of transactions called blocks. By synchronizing on blocks, a transaction cannot be processed until a duration called "block time" has passed. In Proof of Work consensus, these block times need to be very large \(~10 minutes\) to minimize the odds of multiple validators producing a new valid block at the same time. There's no such constraint in Proof of Stake consensus, but without reliable timestamps, a validator cannot determine the order of incoming blocks. The popular workaround is to tag each block with a [wallclock timestamp](https://en.bitcoin.it/wiki/Block_timestamp). Because of clock drift and variance in network latencies, the timestamp is only accurate within an hour or two. To workaround the workaround, these systems lengthen block times to provide reasonable certainty that the median timestamp on each block is always increasing.
+Fast, reliable synchronization is the biggest reason Solana is able to achieve such high throughput. Traditional blockchains synchronize on large chunks of transactions called blocks. By synchronizing on blocks, a transaction cannot be processed until a duration called "block time" has passed. In Proof of Work consensus, these block times need to be very large \(~10 minutes\) to minimize the odds of multiple fullnodes producing a new valid block at the same time. There's no such constraint in Proof of Stake consensus, but without reliable timestamps, a fullnode cannot determine the order of incoming blocks. The popular workaround is to tag each block with a [wallclock timestamp](https://en.bitcoin.it/wiki/Block_timestamp). Because of clock drift and variance in network latencies, the timestamp is only accurate within an hour or two. To workaround the workaround, these systems lengthen block times to provide reasonable certainty that the median timestamp on each block is always increasing.
 
 Solana takes a very different approach, which it calls _Proof of History_ or _PoH_. Leader nodes "timestamp" blocks with cryptographic proofs that some duration of time has passed since the last proof. All data hashed into the proof most certainly have occurred before the proof was generated. The node then shares the new block with validator nodes, which are able to verify those proofs. The blocks can arrive at validators in any order or even could be replayed years later. With such reliable synchronization guarantees, Solana is able to break blocks into smaller batches of transactions called _entries_. Entries are streamed to validators in realtime, before any notion of block consensus.
 
-Solana technically never sends a _block_, but uses the term to describe the sequence of entries that validators vote on to achieve _confirmation_. In that way, Solana's confirmation times can be compared apples to apples to block-based systems. The current implementation sets block time to 800ms.
+Solana technically never sends a _block_, but uses the term to describe the sequence of entries that fullnodes vote on to achieve _confirmation_. In that way, Solana's confirmation times can be compared apples to apples to block-based systems. The current implementation sets block time to 800ms.
 
 What's happening under the hood is that entries are streamed to validators as quickly as a leader node can batch a set of valid transactions into an entry. Validators process those entries long before it is time to vote on their validity. By processing the transactions optimistically, there is effectively no delay between the time the last entry is received and the time when the node can vote. In the event consensus is **not** achieved, a node simply rolls back its state. This optimisic processing technique was introduced in 1981 and called [Optimistic Concurrency Control](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.65.4735). It can be applied to blockchain architecture where a cluster votes on a hash that represents the full ledger up to some _block height_. In Solana, it is implemented trivially using the last entry's PoH hash.
 

book/src/cluster/turbine-block-propagation.md

@@ -1,34 +1,34 @@
 # Turbine Block Propagation
 
-A Solana cluster uses a multi-layer block propagation mechanism called _Turbine_ to broadcast transaction shreds to all nodes with minimal amount of duplicate messages. The cluster divides itself into small collections of nodes, called _neighborhoods_. Each node is responsible for sharing any data it receives with the other nodes in its neighborhood, as well as propagating the data on to a small set of nodes in other neighborhoods. This way each node only has to communicate with a small number of nodes.
+A Solana cluster uses a multi-layer block propagation mechanism called _Turbine_ to broadcast transaction blobs to all nodes with minimal amount of duplicate messages. The cluster divides itself into small collections of nodes, called _neighborhoods_. Each node is responsible for sharing any data it receives with the other nodes in its neighborhood, as well as propagating the data on to a small set of nodes in other neighborhoods. This way each node only has to communicate with a small number of nodes.
 
-During its slot, the leader node distributes shreds between the validator nodes in the first neighborhood \(layer 0\). Each validator shares its data within its neighborhood, but also retransmits the shreds to one node in some neighborhoods in the next layer \(layer 1\). The layer-1 nodes each share their data with their neighborhood peers, and retransmit to nodes in the next layer, etc, until all nodes in the cluster have received all the shreds.
+During its slot, the leader node distributes blobs between the validator nodes in the first neighborhood \(layer 0\). Each validator shares its data within its neighborhood, but also retransmits the blobs to one node in some neighborhoods in the next layer \(layer 1\). The layer-1 nodes each share their data with their neighborhood peers, and retransmit to nodes in the next layer, etc, until all nodes in the cluster have received all the blobs.
 
 ## Neighborhood Assignment - Weighted Selection
 
 In order for data plane fanout to work, the entire cluster must agree on how the cluster is divided into neighborhoods. To achieve this, all the recognized validator nodes \(the TVU peers\) are sorted by stake and stored in a list. This list is then indexed in different ways to figure out neighborhood boundaries and retransmit peers. For example, the leader will simply select the first nodes to make up layer 0. These will automatically be the highest stake holders, allowing the heaviest votes to come back to the leader first. Layer-0 and lower-layer nodes use the same logic to find their neighbors and next layer peers.
 
-To reduce the possibility of attack vectors, each shred is transmitted over a random tree of neighborhoods. Each node uses the same set of nodes representing the cluster. A random tree is generated from the set for each shred using randomness derived from the shred itself. Since the random seed is not known in advance, attacks that try to eclipse neighborhoods from certain leaders or blocks become very difficult, and should require almost complete control of the stake in the cluster.
+To reduce the possibility of attack vectors, each blob is transmitted over a random tree of neighborhoods. Each node uses the same set of nodes representing the cluster. A random tree is generated from the set for each blob using randomness derived from the blob itself. Since the random seed is not known in advance, attacks that try to eclipse neighborhoods from certain leaders or blocks become very difficult, and should require almost complete control of the stake in the cluster.
 
 ## Layer and Neighborhood Structure
 
 The current leader makes its initial broadcasts to at most `DATA_PLANE_FANOUT` nodes. If this layer 0 is smaller than the number of nodes in the cluster, then the data plane fanout mechanism adds layers below. Subsequent layers follow these constraints to determine layer-capacity: Each neighborhood contains `DATA_PLANE_FANOUT` nodes. Layer-0 starts with 1 neighborhood with fanout nodes. The number of nodes in each additional layer grows by a factor of fanout.
 
-As mentioned above, each node in a layer only has to broadcast its shreds to its neighbors and to exactly 1 node in some next-layer neighborhoods, instead of to every TVU peer in the cluster. A good way to think about this is, layer-0 starts with 1 neighborhood with fanout nodes, layer-1 adds "fanout" neighborhoods, each with fanout nodes and layer-2 will have `fanout * number of nodes in layer-1` and so on.
+As mentioned above, each node in a layer only has to broadcast its blobs to its neighbors and to exactly 1 node in some next-layer neighborhoods, instead of to every TVU peer in the cluster. A good way to think about this is, layer-0 starts with 1 neighborhood with fanout nodes, layer-1 adds "fanout" neighborhoods, each with fanout nodes and layer-2 will have `fanout * number of nodes in layer-1` and so on.
 
 This way each node only has to communicate with a maximum of `2 * DATA_PLANE_FANOUT - 1` nodes.
 
-The following diagram shows how the Leader sends shreds with a Fanout of 2 to Neighborhood 0 in Layer 0 and how the nodes in Neighborhood 0 share their data with each other.
+The following diagram shows how the Leader sends blobs with a Fanout of 2 to Neighborhood 0 in Layer 0 and how the nodes in Neighborhood 0 share their data with each other.
 
-![Leader sends shreds to Neighborhood 0 in Layer 0](../.gitbook/assets/data-plane-seeding.svg)
+![Leader sends blobs to Neighborhood 0 in Layer 0](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/data-plane-seeding.svg)
 
 The following diagram shows how Neighborhood 0 fans out to Neighborhoods 1 and 2.
 
-![Neighborhood 0 Fanout to Neighborhood 1 and 2](../.gitbook/assets/data-plane-fanout.svg)
+![Neighborhood 0 Fanout to Neighborhood 1 and 2](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/data-plane-fanout.svg)
 
 Finally, the following diagram shows a two layer cluster with a Fanout of 2.
 
-![Two layer cluster with a Fanout of 2](../.gitbook/assets/data-plane.svg)
+![Two layer cluster with a Fanout of 2](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/data-plane.svg)
 
 ### Configuration Values
 
@@ -36,61 +36,9 @@ Finally, the following diagram shows a two layer cluster with a Fanout of 2.
 
 Currently, configuration is set when the cluster is launched. In the future, these parameters may be hosted on-chain, allowing modification on the fly as the cluster sizes change.
 
-## Calcuating the required FEC rate
-
-Turbine relies on retransmission of packets between validators.  Due to
-retransmission, any network wide packet loss is compounded, and the
-probability of the packet failing to reach is destination increases
-on each hop.  The FEC rate needs to take into account the network wide
-packet loss, and the propagation depth.
-
-A shred group is the set of data and coding packets that can be used
-to reconstruct each other.  Each shred group has a chance of failure,
-based on the likelyhood of the number of packets failing that exceeds
-the FEC rate. If a validator fails to reconstruct the shred group,
-then the block cannot be reconstructed, and the validator has to rely
-on repair to fixup the blocks.
-
-The probability of the shred group failing can be computed using the
-binomial distribution.  If the FEC rate is `16:4`, then the group size
-is 20, and at least 4 of the shreds must fail for the group to fail.
-Which is equal to the sum of the probability of 4 or more trails failing
-out of 20.
-
-Probability of a block succeeding in turbine:
-
-* Probability of packet failure: `P = 1 - (1 - network_packet_loss_rate)^2`
-* FEC rate: `K:M`
-* Number of trials: `N = K + M`
-* Shred group failure rate: `S = SUM of i=0 -> M for binomial(prob_failure = P,  trials = N, failures = i)`
-* Shreds per block: `G`
-* Block success rate: `B = (1 - S) ^ (G / N) `
-* Binomial distribution for exactly `i` results with probability of P in N trials is defined as `(N choose i) * P^i * (1 - P)^(N-i)`
-
-For example:
-
-* Network packet loss rate is 15%.
-* 50kpts network generates 6400 shreds per second.
-* FEC rate increases the total shres per block by the FEC ratio.
-
-With a FEC rate: `16:4`
-* `G = 8000`
-* `P = 1 - 0.85 * 0.85 = 1 - 0.7225 = 0.2775`
-* `S = SUM of i=0 -> 4 for binomial(prob_failure = 0.2775,  trials = 20, failures = i) = 0.689414`
-* `B = (1 - 0.689) ^ (8000 / 20) = 10^-203`
-
-With FEC rate of `16:16`
-* `G = 12800`
-* `S = SUM of i=0 -> 32 for binomial(prob_failure = 0.2775,  trials = 64, failures = i) = 0.002132`
-* `B = (1 - 0.002132) ^ (12800 / 32) = 0.42583`
-
-With FEC rate of `32:32`
-* `G = 12800`
-* `S = SUM of i=0 -> 32 for binomial(prob_failure = 0.2775,  trials = 64, failures = i) = 0.000048`
-* `B = (1 - 0.000048) ^ (12800 / 64) = 0.99045`
-
 ## Neighborhoods
 
-The following diagram shows how two neighborhoods in different layers interact. To cripple a neighborhood, enough nodes \(erasure codes +1\) from the neighborhood above need to fail. Since each neighborhood receives shreds from multiple nodes in a neighborhood in the upper layer, we'd need a big network failure in the upper layers to end up with incomplete data.
+The following diagram shows how two neighborhoods in different layers interact. To cripple a neighborhood, enough nodes \(erasure codes +1\) from the neighborhood above need to fail. Since each neighborhood receives blobs from multiple nodes in a neighborhood in the upper layer, we'd need a big network failure in the upper layers to end up with incomplete data.
+
+![Inner workings of a neighborhood](https://github.com/solana-labs/solana/tree/6b18db969dd1616eff07de35e7b823c75339fea8/book/src/img/data-plane-neighborhood.svg)
 
-![Inner workings of a neighborhood](../.gitbook/assets/data-plane-neighborhood.svg)

book/src/cluster/vote-signing.md

@@ -1,6 +1,6 @@
 # Secure Vote Signing
 
-A validator receives entries from the current leader and submits votes confirming those entries are valid. This vote submission presents a security challenge, because forged votes that violate consensus rules could be used to slash the validator's stake.
+A validator fullnode receives entries from the current leader and submits votes confirming those entries are valid. This vote submission presents a security challenge, because forged votes that violate consensus rules could be used to slash the validator's stake.
 
 The validator votes on its chosen fork by submitting a transaction that uses an asymmetric key to sign the result of its validation work. Other entities can verify this signature using the validator's public key. If the validator's key is used to sign incorrect data \(e.g. votes on multiple forks of the ledger\), the node's stake or its resources could be compromised.
 

book/src/credit-only-credit-debit-accounts.md

@@ -0,0 +1,140 @@
+# Credit-Only Accounts
+
+This design covers the handling of credit-only and credit-debit accounts in the
+[runtime](runtime.md).  Accounts already distinguish themselves as credit-only or
+credit-debit based on the program ID specified by the transaction's instruction.
+Programs must treat accounts that are not owned by them as credit-only.
+
+To identify credit-only accounts by program id would require the account to be
+fetched and loaded from disk.  This operation is expensive, and while it is
+occurring, the runtime would have to reject any transactions referencing the same
+account.
+
+The proposal introduces a `num_readonly_accounts` field to the transaction
+structure, and removes the `program_ids` dedicated vector for program accounts.
+
+This design doesn't change the runtime transaction processing rules.
+Programs still can't write or spend accounts that they do not own, but it
+allows the runtime to optimistically take the correct lock for each account
+specified in the transaction before loading the accounts from storage.
+
+Accounts selected as credit-debit by the transaction can still be treated as
+credit-only by the instructions.
+
+## Runtime handling
+
+credit-only accounts have the following properties:
+
+* Can be deposited into:  Deposits can be implemented as a simple `atomic_add`.
+* read-only access to account data.
+
+Instructions that debit or modify the credit-only account data will fail.
+
+## Account Lock Optimizations
+
+The Accounts module keeps track of current locked accounts in the runtime,
+which separates credit-only accounts from the credit-debit accounts.  The credit-only
+accounts can be cached in memory and shared between all the threads executing
+transactions.
+
+The current runtime can't predict whether an account is credit-only or credit-debit when
+the transaction account keys are locked at the start of the transaction
+processing pipeline.  Accounts referenced by the transaction have not been
+loaded from the disk yet.
+
+An ideal design would cache the credit-only accounts while they are referenced by
+any transaction moving through the runtime, and release the cache when the last
+transaction exits the runtime.
+
+## Credit-only accounts and read-only account data
+
+Credit-only account data can be treated as read-only. Credit-debit
+account data is treated as read-write.
+
+## Transaction changes
+
+To enable the possibility of caching accounts only while they are in the
+runtime, the Transaction structure should be changed in the following way:
+
+* `program_ids: Vec<Pubkey>` - This vector is removed.  Program keys can be
+placed at the end of the `account_keys` vector within the `num_readonly_accounts`
+number set to the number of programs.
+
+* `num_readonly_accounts: u8` - The number of keys from the **end** of the
+transaction's `account_keys` array that is credit-only.
+
+The following possible accounts are present in an transaction:
+
+* paying account
+* RW accounts
+* R accounts
+* Program IDs
+
+The paying account must be credit-debit, and program IDs must be credit-only.  The
+first account in the `account_keys` array is always the account that pays for
+the transaction fee, therefore it cannot be credit-only.  For these reasons the
+credit-only accounts are all grouped together at the end of the `account_keys`
+vector.  Counting credit-only accounts from the end allow for the default `0`
+value to still be functionally correct, since a transaction will succeed with
+all credit-debit accounts.
+
+Since accounts can only appear once in the transaction's `account_keys` array,
+an account can only be credit-only or credit-debit in a single transaction, not
+both.  The runtime treats a transaction as one atomic unit of execution. If any
+instruction needs credit-debit access to an account, a copy needs to be made. The
+write lock is held for the entire time the transaction is being processed by
+the runtime.
+
+## Starvation
+
+Read locks for credit-only accounts can keep the runtime from executing
+transactions requesting a write lock to a credit-debit account.
+
+When a request for a write lock is made while a read lock is open, the
+transaction requesting the write lock should be cached.  Upon closing the read
+lock, the pending transactions can be pushed through the runtime.
+
+While a pending write transaction exists, any additional read lock requests for
+that account should fail.  It follows that any other write lock requests will also 
+fail.  Currently, clients must retransmit when a transaction fails because of 
+a pending transaction.  This approach would mimic that behavior as closely as
+possible while preventing write starvation.
+
+## Program execution with credit-only accounts
+
+Before handing off the accounts to program execution, the runtime can mark each
+account in each instruction as a credit-only account.  The credit-only accounts can
+be passed as references without an extra copy.  The transaction will abort on a
+write to credit-only.
+
+An alternative is to detect writes to credit-only accounts and fail the
+transactions before commit.
+
+## Alternative design
+
+This design attempts to cache a credit-only account after loading without the use
+of a transaction-specified credit-only accounts list.  Instead, the credit-only
+accounts are held in a reference-counted table inside the runtime as the
+transactions are processed.
+
+1. Transaction accounts are locked.
+    a. If the account is present in the ‘credit-only' table, the TX does not fail.
+       The pending state for this TX is marked NeedReadLock.
+2. Transaction accounts are loaded.
+    a. Transaction accounts that are credit-only increase their reference
+       count in the `credit-only` table.
+    b. Transaction accounts that need a write lock and are present in the
+       `credit-only` table fail.
+3. Transaction accounts are unlocked.
+    a. Decrement the `credit-only` lock table reference count; remove if its 0
+    b. Remove from the `lock` set if the account is not in the `credit-only`
+       table.
+
+The downside with this approach is that if the `lock` set mutex is released
+between lock and load to allow better pipelining of transactions, a request for
+a credit-only account may fail. Therefore, this approach is not suitable for
+treating programs as credit-only accounts.
+
+Holding the accounts lock mutex while fetching the account from disk would
+potentially have a significant performance hit on the runtime. Fetching from
+disk is expected to be slow, but can be parallelized between multiple disks.

book/src/cross-program-invocation.md

@@ -0,0 +1,111 @@
+# Cross-Program Invocation
+
+## Problem
+
+In today's implementation a client can create a transaction that modifies two
+accounts, each owned by a separate on-chain program:
+
+```rust,ignore
+let message = Message::new(vec![
+    token_instruction::pay(&alice_pubkey),
+    acme_instruction::launch_missiles(&bob_pubkey),
+]);
+client.send_message(&[&alice_keypair, &bob_keypair], &message);
+```
+
+The current implementation does not, however, allow the `acme` program to
+conveniently invoke `token` instructions on the client's behalf:
+
+```rust,ignore
+let message = Message::new(vec![
+    acme_instruction::pay_and_launch_missiles(&alice_pubkey, &bob_pubkey),
+]);
+client.send_message(&[&alice_keypair, &bob_keypair], &message);
+```
+
+Currently, there is no way to create instruction `pay_and_launch_missiles` that executes
+`token_instruction::pay` from the `acme` program. The workaround is to extend the
+`acme` program with the implementation of the `token` program, and create `token`
+accounts with `ACME_PROGRAM_ID`, which the `acme` program is permitted to modify.
+With that workaround, `acme` can modify token-like accounts created by the `acme`
+program, but not token accounts created by the `token` program.
+
+
+## Proposed Solution
+
+The goal of this design is to modify Solana's runtime such that an on-chain
+program can invoke an instruction from another program.
+
+Given two on-chain programs `token` and `acme`, each implementing instructions
+`pay()` and `launch_missiles()` respectively, we would ideally like to implement
+the `acme` module with a call to a function defined in the `token` module:
+
+```rust,ignore
+use token;
+
+fn launch_missiles(keyed_accounts: &[KeyedAccount]) -> Result<()> {
+    ...
+}
+
+fn pay_and_launch_missiles(keyed_accounts: &[KeyedAccount]) -> Result<()> {
+    token::pay(&keyed_accounts[1..])?;
+
+    launch_missiles(keyed_accounts)?;
+}
+```
+
+The above code would require that the `token` crate be dynamically linked,
+so that a custom linker could intercept calls and validate accesses to
+`keyed_accounts`. That is, even though the client intends to modify both
+`token` and `acme` accounts, only `token` program is permitted to modify
+the `token` account, and only the `acme` program is permitted to modify
+the `acme` account.
+
+Backing off from that ideal cross-program call, a slightly more
+verbose solution is to expose token's existing `process_instruction()`
+entrypoint to the acme program:
+
+```rust,ignore
+use token_instruction;
+
+fn launch_missiles(keyed_accounts: &[KeyedAccount]) -> Result<()> {
+    ...
+}
+
+fn pay_and_launch_missiles(keyed_accounts: &[KeyedAccount]) -> Result<()> {
+    let alice_pubkey = keyed_accounts[1].key;
+    let instruction = token_instruction::pay(&alice_pubkey);
+    process_instruction(&instruction)?;
+
+    launch_missiles(keyed_accounts)?;
+}
+```
+
+where `process_instruction()` is built into Solana's runtime and responsible
+for routing the given instruction to the `token` program via the instruction's
+`program_id` field. Before invoking `pay()`, the runtime must also ensure that
+`acme` didn't modify any accounts owned by `token`. It does this by calling
+`runtime::verify_instruction()` and then afterward updating all the `pre_*`
+variables to tentatively commit `acme`'s account modifications. After `pay()`
+completes, the runtime must again ensure that `token` didn't modify any
+accounts owned by `acme`. It should call `verify_instruction()` again, but this
+time with the `token` program ID. Lastly, after `pay_and_launch_missiles()`
+completes, the runtime must call `verify_instruction()` one more time, where it
+normally would, but using all updated `pre_*` variables.  If executing
+`pay_and_launch_missiles()` up to `pay()` made no invalid account changes,
+`pay()` made no invalid changes, and executing from `pay()` until
+`pay_and_launch_missiles()` returns made no invalid changes, then the runtime
+can transitively assume `pay_and_launch_missiles()` as whole made no invalid
+account changes, and therefore commit all account modifications.
+
+### Setting `KeyedAccount.is_signer`
+
+When `process_instruction()` is invoked, the runtime must create a new
+`KeyedAccounts` parameter using the signatures from the *original* transaction
+data. Since the `token` program is immutable and existed on-chain prior to the
+`acme` program, the runtime can safely treat the transaction signature as a
+signature of a transaction with a `token` instruction. When the runtime sees
+the given instruction references `alice_pubkey`, it looks up the key in the
+transaction to see if that key corresponds to a transaction signature. In this
+case it does and so sets `KeyedAccount.is_signer`, thereby authorizing the
+`token` program to modify Alice's account.

book/src/drones.md

@@ -0,0 +1,86 @@
+# Creating Signing Services with Drones
+
+This chapter defines an off-chain service called a *drone*, which acts as
+custodian of a user's private key. In its simplest form, it can be used to
+create *airdrop* transactions, a token transfer from the drone's account to a
+client's account.
+
+## Signing Service
+
+A drone is a simple signing service. It listens for requests to sign
+*transaction data*.  Once received, the drone validates the request however it
+sees fit. It may, for example, only accept transaction data with a
+`SystemInstruction::Transfer` instruction transferring only up to a certain amount
+of tokens. If the drone accepts the transaction, it returns an `Ok(Signature)`
+where `Signature` is a signature of the transaction data using the drone's
+private key. If it rejects the transaction data, it returns a `DroneError`
+describing why.
+
+
+## Examples
+
+### Granting access to an on-chain game
+
+Creator of on-chain game tic-tac-toe hosts a drone that responds to airdrop
+requests containing an `InitGame` instruction. The drone signs the transaction
+data in the request and returns it, thereby authorizing its account to pay the
+transaction fee and as well as seeding the game's account with enough tokens to
+play it. The user then creates a transaction for its transaction data and the
+drones signature and submits it to the Solana cluster. Each time the user
+interacts with the game, the game pays the user enough tokens to pay the next
+transaction fee to advance the game. At that point, the user may choose to keep
+the tokens instead of advancing the game. If the creator wants to defend
+against that case, they could require the user to return to the drone to sign
+each instruction.
+
+### Worldwide airdrop of a new token
+
+Creator of a new on-chain token (ERC-20 interface), may wish to do a worldwide
+airdrop to distribute its tokens to millions of users over just a few seconds.
+That drone cannot spend resources interacting with the Solana cluster. Instead,
+the drone should only verify the client is unique and human, and then return
+the signature. It may also want to listen to the Solana cluster for recent
+entry IDs to support client retries and to ensure the airdrop is targeting the
+desired cluster.
+
+
+## Attack vectors
+
+### Invalid recent_blockhash
+
+The drone may prefer its airdrops only target a particular Solana cluster.  To
+do that, it listens to the cluster for new entry IDs and ensure any requests
+reference a recent one.
+
+Note: to listen for new entry IDs assumes the drone is either a fullnode or a
+*light* client. At the time of this writing, light clients have not been
+implemented and no proposal describes them. This document assumes one of the
+following approaches be taken:
+
+1. Define and implement a light client
+2. Embed a fullnode
+3. Query the jsonrpc API for the latest last id at a rate slightly faster than
+   ticks are produced.
+
+### Double spends
+
+A client may request multiple airdrops before the first has been submitted to
+the ledger. The client may do this maliciously or simply because it thinks the
+first request was dropped. The drone should not simply query the cluster to
+ensure the client has not already received an airdrop. Instead, it should use
+`recent_blockhash` to ensure the previous request is expired before signing another.
+Note that the Solana cluster will reject any transaction with a `recent_blockhash`
+beyond a certain *age*.
+
+### Denial of Service
+
+If the transaction data size is smaller than the size of the returned signature
+(or descriptive error), a single client can flood the network.  Considering
+that a simple `Transfer` operation requires two public keys (each 32 bytes) and a
+`fee` field, and that the returned signature is 64 bytes (and a byte to
+indicate `Ok`), consideration for this attack may not be required.
+
+In the current design, the drone accepts TCP connections. This allows clients
+to DoS the service by simply opening lots of idle connections. Switching to UDP
+may be preferred. The transaction data will be smaller than a UDP packet since
+the transaction sent to the Solana cluster is already pinned to using UDP.

book/src/ed_attack_vectors.md

@@ -0,0 +1,11 @@
+## Attack Vectors
+
+### Colluding validation and replication clients
+
+A colluding validation-client, may take the strategy to mark PoReps from non-colluding replicator nodes as invalid as an attempt to maximize the rewards for the colluding replicator nodes. In this case, it isn’t feasible for the offended-against replicator nodes to petition the network for resolution as this would result in a network-wide vote on each offending PoRep and create too much overhead for the network to progress adequately. Also, this mitigation attempt would still be vulnerable to a >= 51% staked colluder.
+
+Alternatively, transaction fees from submitted PoReps are pooled and distributed across validation-clients in proportion to the number of valid PoReps discounted by the number of invalid PoReps as voted by each validator-client. Thus invalid votes are directly dis-incentivized through this reward channel. Invalid votes that are revealed by replicator nodes as fishing PoReps, will not be discounted from the payout PoRep count.
+
+Another collusion attack involves a validator-client who may take the strategy to ignore invalid PoReps from colluding replicator and vote them as valid. In this case, colluding replicator-clients would not have to store the data while still receiving rewards for validated PoReps. Additionally, colluding validator nodes would also receive rewards for validating these PoReps. To mitigate this attack, validators must randomly sample PoReps corresponding to the ledger block they are validating and because of this, there will be multiple validators that will receive the colluding replicator’s invalid submissions. These non-colluding validators will be incentivized to mark these PoReps as invalid as they have no way to determine whether the proposed invalid PoRep is actually a fishing PoRep, for which a confirmation vote would result in the validator’s stake being slashed.
+
+In this case, the proportion of time a colluding pair will be successful has an upper limit determined by the % of stake of the network claimed by the colluding validator. This also sets bounds to the value of such an attack. For example, if a colluding validator controls 10% of the total validator stake, transaction fees will be lost (likely sent to mining pool) by the colluding replicator 90% of the time and so the attack vector is only profitable if the per-PoRep reward at least 90% higher than the average PoRep transaction fee. While, probabilistically, some colluding replicator-client PoReps will find their way to colluding validation-clients, the network can also monitor rates of paired (validator + replicator) discrepancies in voting patterns and censor identified colluders in these cases.

book/src/ed_economic_sustainability.md

@@ -0,0 +1,18 @@
+## Economic Sustainability
+
+Long term economic sustainability is one of the guiding principles of Solana’s economic design. While it is impossible to predict how decentralized economies will develop over time, especially economies with flexible decentralized governances, we can arrange economic components such that, under certain conditions, a sustainable economy may take shape in the long term. In the case of Solana’s network, these components take the form of token issuance (via inflation) and token burning’.
+
+The dominant remittances from the Solana mining pool are validator and replicator rewards. The disinflationary mechanism is a flat, protocol-specified and adjusted, % of each transaction fee.
+
+The Replicator rewards are to be delivered to replicators as a portion of the network inflation after successful PoRep validation. The per-PoRep reward amount is determined as a function of the total network storage redundancy at the time of the PoRep validation and the network goal redundancy. This function is likely to take the form of a discount from a base reward to be delivered when the network has achieved and maintained its goal redundancy. An example of such a reward function is shown in **Figure 3**
+
+<!-- ![image alt text](porep_reward.png) -->
+<p style="text-align:center;"><img src=".gitbook/assets/porep_reward.png" alt="==PoRep Reward Curve ==" width="800"/></p>
+
+**Figure 3**: Example PoRep reward design as a function of global network storage redundancy.
+
+In the example shown in Figure 1, multiple per PoRep base rewards are explored (as a % of Tx Fee) to be delivered when the global ledger replication redundancy meets 10X. When the global ledger replication redundancy is less than 10X, the base reward is discounted as a function of the square of the ratio of the actual ledger replication redundancy to the goal redundancy (i.e. 10X).
+
+<!-- The other protocol-based remittance goes to validation-clients as a reward distributed in proportion to stake-weight for voting to validate the ledger state. The functional issuance of this reward is described in [State-validation Protocol-based Rewards](ed_vce_state_validation_protocol_based_rewards.md) and is designed to reduce over time until validators are incentivized solely through collection of transaction fees. Therefore, in the long-run, protocol-based rewards to replication-nodes will be the only remittances from the mining pool, and will have to be countered by the portion of each non-PoRep transaction fee that is directed back into the mining pool. I.e. for a long-term self-sustaining economy, replicator-client rewards must be subsidized through a minimum fee on each non-PoRep transaction pre-allocated to the mining pool.  Through this constraint, we can write the following inequality:
+--> 
+<!-- **== WIP [here](https://docs.google.com/document/d/1HBDasdkjS4Ja9wC_tIUsZPVcxGAWTuYOq9zf6xoQNps/edit?usp=sharing) ==** -->

book/src/ed_mvp.md

@@ -0,0 +1,13 @@
+## Proposed MVP of Economic Design
+
+The preceeding sections, outlined in the [Economic Design Overview](ed_overview.md), describe a long-term vision of a sustainable Solana economy. Of course, we don't expect the final implementation to perfectly match what has been described above. We intend to fully engage with network stakeholders throughout the implementation phases (i.e. pre-testnet, testnet, mainnet) to ensure the system supports, and is representative of, the various network participants' interests. The first step toward this goal, however, is outlining a some desired MVP economic features to be available for early pre-testnet and testnet participants. Below is a rough sketch outlining basic economic functionality from which a more complete and functional system can be developed.
+
+### MVP Economic Features
+
+* Faucet to deliver testnet SOLs to validators for staking and dapp development.
+* Mechanism by which validators are rewarded via network inflation.
+* Ability to delegate tokens to validator nodes
+* Validator set commission fees on interest from delegated tokens.
+* Replicators to receive fixed, arbitrary reward for submitting validated PoReps. Reward size mechanism (i.e. PoRep reward as a function of total ledger redundancy) to come later.
+* Pooling of replicator PoRep transaction fees and weighted distribution to validators based on PoRep verification (see [Replication-validation Transaction Fees](ed_vce_replication_validation_transaction_fees.md). It will be useful to test this protection against attacks on testnet.
+* Nice-to-have: auto-delegation of replicator rewards to validator.

book/src/ed_overview.md

@@ -0,0 +1,16 @@
+## Economic Design Overview
+
+Solana’s crypto-economic system is designed to promote a healthy, long term self-sustaining economy with participant incentives aligned to the security and decentralization of the network. The main participants in this economy are validation-clients and replication-clients. Their contributions to the network, state validation and data storage respectively, and their requisite incentive mechanisms are discussed below.
+
+The main channels of participant remittances are referred to as protocol-based rewards and transaction fees. Protocol-based rewards are issuances from a global, protocol-defined, inflation rate. These rewards will constitute the total reward delivered to replication and validation clients, the remaining sourced from transaction fees. In the early days of the network, it is likely that protocol-based rewards, deployed based on predefined issuance schedule, will drive the majority of participant incentives to participate in the network.
+
+These protocol-based rewards, to be distributed to participating validation and replication clients, are to be a result of a global supply inflation rate, calculated per Solana epoch and distributed amongst the active validator set. As discussed further below, the per annum inflation rate is based on a pre-determined disinflationary schedule. This provides the network with monetary supply predictability which supports long term economic stability and security. 
+
+Transaction fees are market-based participant-to-participant transfers, attached to network interactions as a necessary motivation and compensation for the inclusion and execution of a proposed transaction (be it a state execution or proof-of-replication verification). A mechanism for long-term economic stability and forking protection through partial burning of each transaction fee is also discussed below.
+
+A high-level schematic of Solana’s crypto-economic design is shown below in **Figure 1**. The specifics of validation-client economics are described in sections: [Validation-client Economics](ed_validation_client_economics.md), [State-validation Protocol-based Rewards](ed_vce_state_validation_protocol_based_rewards.md), [State-validation Transaction Fees](ed_vce_state_validation_transaction_fees.md) and [Replication-validation Transaction Fees](ed_vce_replication_validation_transaction_fees.md). Also, the chapter titled [Validation Stake Delegation](ed_vce_validation_stake_delegation.md) closes with a discussion of validator delegation opportunties and marketplace. Additionally, in [Storage Rent Economics](ed_storage_rent_economics.md), we describe an implementation of storage rent to account for the externality costs of maintaining the active state of the ledger. The [Replication-client Economics](ed_replication_client_economics.md) chapter will review the Solana network design for global ledger storage/redundancy and replicator-client economics ([Storage-replication rewards](ed_rce_storage_replication_rewards.md)) along with a replicator-to-validator delegation mechanism designed to aide participant on-boarding into the Solana economy discussed in [Replication-client Reward Auto-delegation](ed_rce_replication_client_reward_auto_delegation.md). <!-- The [Economic Sustainability](ed_economic_sustainability.md) section dives deeper into Solana’s design for long-term economic sustainability and outlines the constraints and conditions for a self-sustaining economy.--> An outline of features for an MVP economic design is discussed in the [Economic Design MVP](ed_mvp.md) section. Finally, in chapter [Attack Vectors](ed_attack_vectors.md), various attack vectors will be described and potential vulnerabilities explored and parameterized.
+
+<!-- ![img alt text](solana_economic_design.png) -->
+<p style="text-align:center;"><img src=".gitbook/assets/economic_design_infl_230719.png" alt="== Solana Economic Design Diagram ==" width="800"/></p>
+
+**Figure 1**: Schematic overview of Solana economic incentive design.

book/src/ed_rce_replication_client_reward_auto_delegation.md

@@ -1,8 +1,5 @@
-# Replication-client Reward Auto-delegation
-
-**Subject to change.**
+### Replication-client Reward Auto-delegation
 
 The ability for Solana network participants to earn rewards by providing storage service is a unique on-boarding path that requires little hardware overhead and minimal upfront capital. It offers an avenue for individuals with extra-storage space on their home laptops or PCs to contribute to the security of the network and become integrated into the Solana economy.
 
-To enhance this on-boarding ramp and facilitate further participation and investment in the Solana economy, replication-clients have the opportunity to auto-delegate their rewards to validation-clients of their choice. Much like the automatic reinvestment of stock dividends, in this scenario, an archiver-client can earn Solana tokens by providing some storage capacity to the network \(i.e. via submitting valid PoReps\), have the protocol-based rewards automatically assigned as delegation to a staked validator node of the archiver's choice and earn interest, less a fee, from the validation-client's network participation.
-
+To enhance this on-boarding ramp and facilitate further participation and investment in the Solana economy, replication-clients have the opportunity to auto-delegate their rewards to validation-clients of their choice. Much like the automatic reinvestment of stock dividends, in this scenario, a replicator-client can earn Solana tokens by providing some storage capacity to the network (i.e. via submitting valid PoReps), have the protocol-based rewards automatically assigned as delegation to a staked validator node of the replicator's choice and earn interest, less a fee, from the validation-client's network participation.

book/src/ed_rce_storage_replication_rewards.md

@@ -0,0 +1,5 @@
+### Storage-replication Rewards
+
+Replicator-clients download, encrypt and submit PoReps for ledger block sections.3  PoReps submitted to the PoH stream, and subsequently validated, function as evidence that the submitting replicator client is indeed storing the assigned ledger block sections on local hard drive space as a service to the network. Therefore, replicator clients should earn protocol rewards proportional to the amount of storage, and the number of successfully validated PoReps, that they are verifiably providing to the network.
+
+Additionally, replicator clients have the opportunity to capture a portion of slashed bounties [TBD] of dishonest validator clients. This can be accomplished by a replicator client submitting a verifiably false PoRep for which a dishonest validator client receives and signs as a valid PoRep. This reward incentive is to prevent lazy validators and minimize validator-replicator collusion attacks, more on this below.

book/src/ed_references.md

@@ -0,0 +1,7 @@
+## References
+
+1. [https://blog.ethereum.org/2016/07/27/inflation-transaction-fees-cryptocurrency-monetary-policy/](https://blog.ethereum.org/2016/07/27/inflation-transaction-fees-cryptocurrency-monetary-policy/)
+
+2. [https://medium.com/solana-labs/how-to-create-decentralized-storage-for-a-multi-petabyte-digital-ledger-2499a3a8c281](https://medium.com/solana-labs/how-to-create-decentralized-storage-for-a-multi-petabyte-digital-ledger-2499a3a8c281)
+
+3. [https://medium.com/solana-labs/how-to-create-decentralized-storage-for-a-multi-petabyte-digital-ledger-2499a3a8c281](https://medium.com/solana-labs/how-to-create-decentralized-storage-for-a-multi-petabyte-digital-ledger-2499a3a8c281)

book/src/ed_replication_client_economics.md

@@ -0,0 +1,3 @@
+## Replication-client economics
+
+Replication-clients should be rewarded for providing the network with storage space. Incentivization of the set of replicators provides data security through redundancy of the historical ledger. Replication nodes are rewarded in proportion to the amount of ledger data storage provided, as proved by successfully submitting Proofs-of-Replication to the cluster.. These rewards are captured by generating and entering Proofs of Replication (PoReps) into the PoH stream which can be validated by Validation nodes as described above in the [Replication-validation Transaction Fees](ed_vce_replication_validation_transaction_fees.md) chapter.

book/src/ed_storage_rent_economics.md

@@ -1,6 +1,6 @@
 ## Storage Rent Economics
 
-Each transaction that is submitted to the Solana ledger imposes costs. Transaction fees paid by the submitter, and collected by a validator, in theory, account for the acute, transacitonal, costs of validating and adding that data to the ledger. At the same time, our compensation design for archivers (see [Replication-client Economics](ed_replication_client_economics.md)), in theory, accounts for the long term storage of the historical ledger. Unaccounted in this process is the mid-term storage of active ledger state, necessarily maintined by the rotating validator set. This type of storage imposes costs not only to validators but also to the broader network as active state grows so does data transmission and validation overhead. To account for these costs, we describe here our preliminary design and implementation of storage rent. 
+Each transaction that is submitted to the Solana ledger imposes costs. Transaction fees paid by the submitter, and collected by a validator, in theory, account for the acute, transacitonal, costs of validating and adding that data to the ledger. At the same time, our compensation design for replicators (see [Replication-client Economics](ed_replication_client_economics.md)), in theory, accounts for the long term storage of the historical ledger. Unaccounted in this process is the mid-term storage of active ledger state, necessarily maintined by the rotating validator set. This type of storage imposes costs not only to validators but also to the broader network as active state grows so does data transmission and validation overhead. To account for these costs, we describe here our preliminary design and implementation of storage rent. 
 
 Storage rent can be paid via one of two methods:
 

book/src/ed_validation_client_economics.md

@@ -0,0 +1,6 @@
+## Validation-client Economics
+
+Validator-clients are eligible to receive protocol-based (i.e. inflation-based) rewards issued via stake-based annual interest rates (calculated per epoch) by providing compute (CPU+GPU) resources to validate and vote on a given PoH state. These protocol-based rewards are determined through an algorithmic disinflationary schedule as a function of total amount of circulating tokens. 
+The network is expected to launch with an annual inflation rate around 15%, set to decrease by 15% per year until a long-term stable rate of 1-2% is reached. These issuances are to be split and distributed to participating validators and replicators, with around 90% of the issued tokens allocated for validator rewards. Because the network will be distributing a fixed amount of inflation rewards across the stake-weighted valdiator set, any individual validator's interest rate will be a function of the amount of staked SOL in relation to the circulating SOL. 
+
+Additionally, validator clients may earn revenue through fees via state-validation transactions and Proof-of-Replication (PoRep) transactions. For clarity, we separately describe the design and motivation of these revenue distriubutions for validation-clients below: state-validation protocol-based rewards, state-validation transaction fees and rent,  and PoRep-validation transaction fees.

book/src/ed_vce_replication_validation_transaction_fees.md

@@ -0,0 +1,9 @@
+### Replication-validation Transaction Fees
+
+As previously mentioned, validator-clients will also be responsible for validating PoReps submitted into the PoH stream by replicator-clients. In this case, validators are providing compute (CPU/GPU) and light storage resources to confirm that these replication proofs could only be generated by a client that is storing the referenced PoH leger block.
+
+While replication-clients are incentivized and rewarded through protocol-based rewards schedule (see [Replication-client Economics](ed_replication_client_economics.md)), validator-clients will be incentivized to include and validate PoReps in PoH through collection of transaction fees associated with the submitted PoReps and distribution of protocol rewards proportional to the validated PoReps. As will be described in detail in the Section 3.1, replication-client rewards are protocol-based and designed to reward based on a global data redundancy factor. I.e. the protocol will incentivize replication-client participation through rewards based on a target ledger redundancy (e.g. 10x data redundancy). 
+
+The validation of PoReps by validation-clients is computationally more expensive than state-validation (detail in the [Economic Sustainability](ed_economic_sustainability.md) chapter), thus the transaction fees are expected to be proportionally higher. 
+
+There are various attack vectors available for colluding validation and replication clients, also described in detail below in [Economic Sustainability](ed_economic_sustainability). To protect against various collusion attack vectors, for a given epoch, validator rewards are distributed across participating validation-clients in proportion to the number of validated PoReps in the epoch less the number of PoReps that mismatch the replicators challenge. The PoRep challenge game is described in [Ledger Replication](https://github.com/solana-labs/solana/blob/master/book/src/ledger-replication.md#the-porep-game). This design rewards validators proportional to the number of PoReps they process and validate, while providing negative pressure for validation-clients to submit lazy or malicious invalid votes on submitted PoReps (note that it is computationally prohibitive to determine whether a validator-client has marked a valid PoRep as invalid).

book/src/ed_vce_state_validation_protocol_based_rewards.md

@@ -0,0 +1,40 @@
+### State-validation protocol-based rewards
+
+Validator-clients have two functional roles in the Solana network:
+
+* Validate (vote) the current global state of that PoH along with any Proofs-of-Replication (see [Replication Client Economics](ed_replication_client_economics.md)) that they are eligible to validate.
+
+* Be elected as ‘leader’ on a stake-weighted round-robin schedule during which time they are responsible for collecting outstanding transactions and Proofs-of-Replication and incorporating them into the PoH, thus updating the global state of the network and providing chain continuity.
+
+Validator-client rewards for these services are to be distributed at the end of each Solana epoch. As previously discussed, compensation for validator-clients is provided via a protocol-based annual inflation rate dispersed in proportion to the stake-weight of each validator (see below) along with leader-claimed transaction fees available during each leader rotation. I.e. during the time a given validator-client is elected as leader, it has the opportunity to keep a portion of each transaction fee, less a protocol-specified amount that is destroyed (see [Validation-client State Transaction Fees](ed_vce_state_validation_transaction_fees.md)). PoRep transaction fees are also collected by the leader client and validator PoRep rewards are distributed in proportion to the number of validated PoReps less the number of PoReps that mismatch a replicator's challenge. (see [Replication-client Transaction Fees](ed_vce_replication_validation_transaction_fees.md))
+
+
+The effective protocol-based annual interest rate (%) per epoch received by validation-clients is to be a function of:
+
+* the current global inflation rate, derived from the pre-determined dis-inflationary issuance schedule (see [Validation-client Economics](ed_validartion_client_economics.md))
+
+* the fraction of staked SOLs out of the current total circulating supply,
+
+* the up-time/participation [% of available slots that validator had opportunity to vote on] of a given validator over the previous epoch.
+
+The first factor is a function of protocol parameters only (i.e. independent of validator behavior in a given epoch) and results in a global validation reward schedule designed to incentivize early participation, provide clear montetary stability and provide optimal security in the network. 
+
+At any given point in time, a specific validator's interest rate can be determined based on the porportion of circulating supply that is staked by the network and the validator's uptime/activity in the previous epoch. For example, consider a hypothetical instance of the network with an initial circulating token supply of 250MM tokens with an additional 250MM vesting over 3 years. Additionally an inflation rate is specified at network launch of 7.5%, and a disinflationary schedule of 20% decrease in inflation rate per year (the actual rates to be implemented are to be worked out during the testnet experimentation phase of mainnet launch). With these broad assumptions, the 10-year inflation rate (adjusted daily for this example) is shown in **Figure 2**, while the total circulating token supply is illustrated in **Figure 3**. Neglected in this toy-model is the inflation supression due to the portion of each transaction fee that is to be destroyed.
+
+<p style="text-align:center;"><img src=".gitbook/assets/p_ex_schedule.png" alt="drawing" width="800"/></p>
+**Figure 2:** In this example schedule, the annual inflation rate [%] reduces at around 20% per year, until it reaches the long-term, fixed, 1.5% rate.
+
+<p style="text-align:center;"><img src=".gitbook/assets/p_ex_supply.png" alt="drawing" width="800"/></p>
+**Figure 3:** The total token supply over a 10-year period, based on an initial 250MM tokens with the disinflationary inflation schedule as shown in **Figure 2**
+
+Over time, the interest rate, at a fixed network staked percentage, will reduce concordant with network inflation. Validation-client interest rates are designed to be higher in the early days of the network to incentivize participation and jumpstart the network economy. As previously mentioned, the inflation rate is expected to stabalize near 1-2% which also results in a fixed, long-term, interest rate to be provided to validator-clients. This value does not represent the total interest available to validator-clients as transaction fees for state-validation and ledger storage replication (PoReps) are not accounted for here. 
+
+Given these example parameters, annualized validator-specific interest rates can be determined based on the global fraction of tokens bonded as stake, as well as their uptime/activity in the previous epoch. For the purpose of this example, we assume 100% uptime for all validators and a split in interest-based rewards between validators and replicator nodes of 80%/20%. Additionally, the fraction of staked circulating supply is assummed to be constant. Based on these assumptions, an annualized validation-client interest rate schedule as a function of % circulating token supply that is staked is shown in** Figure 4**.
+
+<!-- ![== Validation Client Interest Rates Figure ==](validation_client_interest_rates.png =250x) -->
+
+<p style="text-align:center;"><img src=".gitbook/assets/p_ex_interest.png" alt="drawing" width="800"/></p>
+
+**Figure 4:** Shown here are example validator interest rates over time, neglecting transaction fees, segmented by fraction of total circulating supply bonded as stake.
+
+This epoch-specific protocol-defined interest rate sets an upper limit of *protocol-generated* annual interest rate (not absolute total interest rate) possible to be delivered to any validator-client per epoch. The distributed interest rate per epoch is then discounted from this value based on the participation of the validator-client during the previous epoch.

book/src/ed_vce_state_validation_transaction_fees.md

@@ -0,0 +1,20 @@
+### State-validation Transaction Fees
+
+Each transaction sent through the network, to be processed by the current leader validation-client and confirmed as a global state transaction, must contain a transaction fee. Transaction fees offer many benefits in the Solana economic design, for example they:
+
+* provide unit compensation to the validator network for the CPU/GPU resources necessary to process the state transaction,
+
+* reduce network spam by introducing real cost to transactions,
+
+* open avenues for a transaction market to incentivize validation-client to collect and process submitted transactions in their function as leader,
+
+* and provide potential long-term economic stability of the network through a protocol-captured minimum fee amount per transaction, as described below.
+
+Many current blockchain economies (e.g. Bitcoin, Ethereum), rely on protocol-based rewards to support the economy in the short term, with the assumption that the revenue generated through transaction fees will support the economy in the long term, when the protocol derived rewards expire. In an attempt to create a sustainable economy through protocol-based rewards and transaction fees, a fixed portion of each transaction fee is destroyed, with the remaining fee going to the current leader processing the transaction. A scheduled global inflation rate provides a source for rewards distributed to validation-clients, through the process described above, and replication-clients, as discussed below. 
+
+Transaction fees are set by the network cluster based on recent historical throughput, see [Congestion Driven Fees](transaction-fees.md#congestion-driven-fees). This minimum portion of each transaction fee can be dynamically adjusted depending on historical gas usage. In this way, the protocol can use the minimum fee to target a desired hardware utilisation. By monitoring a protocol specified gas usage with respect to a desired, target usage amount, the minimum fee can be raised/lowered which should, in turn, lower/raise the actual gas usage per block until it reaches the target amount. This adjustment process can be thought of as similar to the difficulty adjustment algorithm in the Bitcoin protocol, however in this case it is adjusting the minimum transaction fee to guide the transaction processing hardware usage to a desired level. 
+
+As mentioned, a fixed-proportion of each transaction fee is to be destroyed. The intent of this design is to retain leader incentive to include as many transactions as possible within the leader-slot time, while providing an inflation limiting mechansim that protects against "tax evasion" attacks (i.e. side-channel fee payments)<sup>[1](ed_referenced.md)</sup>. 
+
+Additionally, the burnt fees can be a consideration in fork selection. In the case of a PoH fork with a  malicious, censoring leader, we would expect the total fees destroyed to be less than a comparable honest fork, due to the fees lost from censoring. If the censoring leader is to compensate for these lost protocol fees, they would have to replace the burnt fees on their fork themselves, thus potentially reducing the incentive to censor in the first place. 
+

book/src/ed_vce_validation_stake_delegation.md

@@ -0,0 +1,29 @@
+### Validation Stake Delegation
+
+Running a Solana validation-client required relatively modest upfront hardware capital investment. **Table 2** provides an example hardware configuration to support ~1M tx/s with estimated ‘off-the-shelf’ costs:
+
+|Component|Example|Estimated Cost|
+|--- |--- |--- |
+|GPU|2x 2080 Ti|$2500|
+|or|4x 1080 Ti|$2800|
+|OS/Ledger Storage|Samsung 860 Evo 2TB|$370|
+|Accounts storage|2x Samsung 970 Pro M.2 512GB|$340|
+|RAM|32 Gb|$300|
+|Motherboard|AMD x399|$400|
+|CPU|AMD Threadripper 2920x|$650|
+|Case||$100|
+|Power supply|EVGA 1600W|$300|
+|Network|> 500 mbps||
+|Network (1)|Google webpass business bay area 1gbps unlimited|$5500/mo|
+|Network (2)|Hurricane Electric bay area colo 1gbps|$500/mo|
+**Table 2** example high-end hardware setup for running a Solana client.
+
+Despite the low-barrier to entry as a validation-client, from a capital investment perspective, as in any developing economy, there will be much opportunity and need for trusted validation services as evidenced by node reliability, UX/UI, APIs and other software accessibility tools. Additionally, although Solana’s validator node startup costs are nominal when compared to similar networks, they may still be somewhat restrictive for some potential participants. In the spirit of developing a true decentralized, permissionless network, these interested parties still have two options to become involved in the Solana network/economy:
+
+1. Delegation of previously acquired tokens with a reliable validation node to earn a portion of interest generated
+
+2. Provide local storage space as a replication-client and receive rewards by submitting Proof-of-Replication (see [Replication-client Economics](ed_replication_client_economics.md)).
+
+    a. This participant has the additional option to directly delegate their earned storage rewards ([Replication-client Reward Auto-delegation](ed_rce_replication_client_reward_auto_delegation.md))
+
+Delegation of tokens to validation-clients, via option 1, provides a way for passive Solana token holders to become part of the active Solana economy and earn interest rates proportional to the interest rate generated by the delegated validation-client. Additionally, this feature intends to create a healthy validation-client market, with potential validation-client nodes competing to build reliable, transparent and profitable delegation services.

book/src/embedding-move.md

@@ -0,0 +1,66 @@
+# Embedding the Move Language
+
+## Problem
+
+Solana enables developers to write on-chain programs in general purpose
+programming languages such as C or Rust, but those programs contain
+Solana-specific mechanisms. For example, there isn't another chain that asks
+developers to create a Rust module with a `process_instruction(KeyedAccounts)`
+function. Whenever practical, Solana should offer dApp developers more portable
+options.
+
+Until just recently, no popular blockchain offered a language that could expose
+the value of Solana's massively parallel [runtime](runtime.md). Solidity
+contracts, for example, do not separate references to shared data from contract
+code, and therefore need to be executed serially to ensure deterministic
+behavior.  In practice we see that the most aggressively optimized EVM-based
+blockchains all seem to peak out around 1,200 TPS - a small fraction of what
+Solana can do. The Libra project, on the other hand, designed an on-chain
+programming language called Move that is more suitable for parallel execution.
+Like Solana's runtime, Move programs depend on accounts for all shared state.
+
+The biggest design difference between Solana's runtime and Libra's Move VM is
+how they manage safe invocations between modules.  Solana took an operating
+systems approach and Libra took the domain-specific language approach.  In the
+runtime, a module must trap back into the runtime to ensure the caller's module
+did not write to data owned by the callee. Likewise, when the callee completes,
+it must again trap back to the runtime to ensure the callee did not write to
+data owned by the caller. Move, on the other hand, includes an advanced type
+system that allows these checks to be run by its bytecode verifier. Because
+Move bytecode can be verified, the cost of verification is paid just once, at
+the time the module is loaded on-chain. In the runtime, the cost is paid each
+time a transaction crosses between modules. The difference is similar in spirit
+to the difference between a dynamically-typed language like Python versus a
+statically-typed language like Java. Solana's runtime allows dApps to be
+written in general purpose programming languages, but that comes with the cost
+of runtime checks when jumping between programs.
+
+This proposal attempts to define a way to embed the Move VM such that:
+
+* cross-module invocations within Move do not require the runtime's
+  cross-program runtime checks
+* Move programs can leverage functionality in other Solana programs and vice
+  versa
+* Solana's runtime parallelism is exposed to batches of Move and non-Move
+  transactions
+
+## Proposed Solution
+
+### Move VM as a Solana loader
+
+The Move VM shall be embedded as a Solana loader under the identifier
+`MOVE_PROGRAM_ID`, so that Move modules can be marked as `executable` with the
+VM as its `owner`. This will allow modules to load module dependencies, as well
+as allow for parallel execution of Move scripts.
+
+All data accounts owned by Move modules must set their owners to the loader,
+`MOVE_PROGRAM_ID`. Since Move modules encapsulate their account data in the
+same way Solana programs encapsulate theirs, the Move module owner should be
+embedded in the account data. The runtime will grant write access to the Move
+VM, and Move grants access to the module accounts.
+
+### Interacting with Solana programs
+
+To invoke instructions in non-Move programs, Solana would need to extend the
+Move VM with a `process_instruction()` system call. It would work the same as
+`process_instruction()` Rust BPF programs.