Include shred version in gossip (#7799)

automerge

.buildkite/env/secrets.ejson

@@ -7,6 +7,9 @@
       "GITHUB_TOKEN": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:Vq2dkGTOzfEpRht0BAGHFp/hDogMvXJe:tFXHg1epVt2mq9hkuc5sRHe+KAnVREi/p8S+IZu67XRyzdiA/nGak1k860FXYuuzuaE0QWekaEc=]",
       "INFLUX_DATABASE": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:5KI9WBkXx3R/W4m256mU5MJOE7N8aAT9:Cb8QFELZ9I60t5zhJ9h55Kcs]",
       "INFLUX_PASSWORD": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:hQRMpLCrav+OYkNphkeM4hagdVoZv5Iw:AUO76rr6+gF1OLJA8ZLSG8wHKXgYCPNk6gRCV8rBhZBJ4KwDaxpvOhMl7bxxXG6jol7v4aRa/Lk=]",
-      "INFLUX_USERNAME": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:R7BNmQjfeqoGDAFTJu9bYTGHol2NgnYN:Q2tOT/EBcFvhFk+DKLKmVU7tLCpVC3Ui]"
+      "INFLUX_USERNAME": "EJ[1:yGpTmjdbyjW2kjgIHkFoJv7Ue7EbUvUbqHyw6anGgWg=:R7BNmQjfeqoGDAFTJu9bYTGHol2NgnYN:Q2tOT/EBcFvhFk+DKLKmVU7tLCpVC3Ui]",
+      "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=]"
     }
 }

.gitbook.yaml

@@ -1,4 +1,4 @@
-root: ./docs/src
+root: ./book/src
 
 structure:
     readme: introduction.md

.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 @@
-/docs/html/
-/docs/src/tests.ok
-/docs/src/.gitbook/assets/*.svg
+/book/html/
+/book/src/tests.ok
 /farf/
 /solana-release/
 /solana-release.tar.bz2

.mergify.yml

@@ -19,6 +19,22 @@ pull_request_rules:
       label:
         add:
           - automerge
+  - name: v0.21 backport
+    conditions:
+      - base=master
+      - label=v0.21
+    actions:
+      backport:
+        branches:
+          - v0.21
+  - name: v0.22 backport
+    conditions:
+      - base=master
+      - label=v0.22
+    actions:
+      backport:
+        branches:
+          - v0.22
   - name: v0.23 backport
     conditions:
       - base=master
@@ -27,27 +43,3 @@ pull_request_rules:
       backport:
         branches:
           - v0.23
-  - name: v1.0 backport
-    conditions:
-      - base=master
-      - label=v1.0
-    actions:
-      backport:
-        branches:
-          - v1.0
-  - name: v1.1 backport
-    conditions:
-      - base=master
-      - label=v1.1
-    actions:
-      backport:
-        branches:
-          - v1.1
-  - name: v1.2 backport
-    conditions:
-      - base=master
-      - label=v1.2
-    actions:
-      backport:
-        branches:
-          - v1.2

.travis.yml

@@ -1,6 +1,5 @@
 os:
   - osx
-  - windows
 
 language: rust
 rust:

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 1000 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
@@ -181,68 +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](docs/src/terminology.md)
+[Terms currently in use](book/src/terminology.md)
 
 
-## Design Proposals
+Design Proposals
+---
 
-Solana's architecture is described by docs generated from markdown files in
-the `docs/src/` directory, maintained by an *editor* (currently @garious). To
-add a design proposal, you'll need to include it in the
-[Accepted Design Proposals](https://docs.solana.com/proposals)
-section of the Solana docs.  Here's the full process:
+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:
 
 1. Propose a design by creating a PR that adds a markdown document to the
-   `docs/src/proposals` directory and references it from the [table of
-   contents](docs/src/SUMMARY.md). Add any relevant *maintainers* to the PR
-   review.
+   directory `book/src/` and references it from the [table of
+   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

@@ -4,13 +4,10 @@ members = [
     "bench-streamer",
     "bench-tps",
     "banking-bench",
-    "chacha",
-    "chacha-cuda",
     "chacha-sys",
-    "cli-config",
     "client",
     "core",
-    "faucet",
+    "drone",
     "perf",
     "validator",
     "genesis",
@@ -32,27 +29,25 @@ members = [
     "programs/btc_spv",
     "programs/btc_spv_bin",
     "programs/config",
+    "programs/config_tests",
     "programs/exchange",
     "programs/failure",
     "programs/noop",
-    "programs/ownable",
+    "programs/ownable_api",
     "programs/stake",
+    "programs/stake_tests",
     "programs/storage",
+    "programs/storage_tests",
     "programs/vest",
     "programs/vote",
     "archiver",
-    "archiver-lib",
-    "archiver-utils",
-    "remote-wallet",
     "runtime",
     "sdk",
     "sdk-c",
     "scripts",
-    "stake-monitor",
-    "sys-tuner",
-    "transaction-status",
     "upload-perf",
     "net-utils",
+    "fixed-buf",
     "vote-signer",
     "cli",
     "rayon-threadlimit",
@@ -62,5 +57,5 @@ members = [
 exclude = [
     "programs/bpf",
     "programs/move_loader",
-    "programs/librapay",
+    "programs/librapay_api",
 ]

README.md

@@ -9,12 +9,26 @@ Blockchain Rebuilt for Scale
 Solana™ is a new blockchain architecture built from the ground up for scale. The architecture supports
 up to 710 thousand transactions per second on a gigabit network.
 
-Documentation
+Disclaimer
 ===
 
-Before you jump into the code, review the documentation [Solana: Blockchain Rebuilt for Scale](https://docs.solana.com).
+All claims, content, designs, algorithms, estimates, roadmaps, specifications, and performance measurements described in this project are done with the author's best effort.  It is up to the reader to check and validate their accuracy and truthfulness.  Furthermore nothing in this project constitutes a solicitation for investment.
 
-(The _latest_ development version of the docs is [available here](https://docs.solana.com/v/master).)
+Introduction
+===
+
+It's possible for a centralized database to process 710,000 transactions per second on a standard gigabit network if the transactions are, on average, no more than 176 bytes. A centralized database can also replicate itself and maintain high availability without significantly compromising that transaction rate using the distributed system technique known as Optimistic Concurrency Control [\[H.T.Kung, J.T.Robinson (1981)\]](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.65.4735). At Solana, we're demonstrating that these same theoretical limits apply just as well to blockchain on an adversarial network. The key ingredient? Finding a way to share time when nodes can't trust one-another. Once nodes can trust time, suddenly ~40 years of distributed systems research becomes applicable to blockchain!
+
+> Perhaps the most striking difference between algorithms obtained by our method and ones based upon timeout is that using timeout produces a traditional distributed algorithm in which the processes operate asynchronously, while our method produces a globally synchronous one in which every process does the same thing at (approximately) the same time. Our method seems to contradict the whole purpose of distributed processing, which is to permit different processes to operate independently and perform different functions. However, if a distributed system is really a single system, then the processes must be synchronized in some way. Conceptually, the easiest way to synchronize processes is to get them all to do the same thing at the same time. Therefore, our method is used to implement a kernel that performs the necessary synchronization--for example, making sure that two different processes do not try to modify a file at the same time. Processes might spend only a small fraction of their time executing the synchronizing kernel; the rest of the time, they can operate independently--e.g., accessing different files. This is an approach we have advocated even when fault-tolerance is not required. The method's basic simplicity makes it easier to understand the precise properties of a system, which is crucial if one is to know just how fault-tolerant the system is. [\[L.Lamport (1984)\]](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.1078)
+
+Furthermore, and much to our surprise, it can be implemented using a mechanism that has existed in Bitcoin since day one. The Bitcoin feature is called nLocktime and it can be used to postdate transactions using block height instead of a timestamp. As a Bitcoin client, you'd use block height instead of a timestamp if you don't trust the network. Block height turns out to be an instance of what's being called a Verifiable Delay Function in cryptography circles. It's a cryptographically secure way to say time has passed. In Solana, we use a far more granular verifiable delay function, a SHA 256 hash chain, to checkpoint the ledger and coordinate consensus. With it, we implement Optimistic Concurrency Control and are now well en route towards that theoretical limit of 710,000 transactions per second.
+
+Architecture
+===
+
+Before you jump into the code, review the online book [Solana: Blockchain Rebuilt for Scale](https://docs.solana.com/book/).
+
+(The _latest_ development version of the online book is also [available here](https://docs.solana.com/book/v/master/).)
 
 Release Binaries
 ===
@@ -73,8 +87,7 @@ $ rustup update
 On Linux systems you may need to install libssl-dev, pkg-config, zlib1g-dev, etc.  On Ubuntu:
 
 ```bash
-$ sudo apt-get update
-$ sudo apt-get install libssl-dev libudev-dev pkg-config zlib1g-dev llvm clang
+$ sudo apt-get install libssl-dev pkg-config zlib1g-dev llvm clang
 ```
 
 Download the source code:
@@ -107,13 +120,16 @@ $ cargo test
 Local Testnet
 ---
 
-Start your own testnet locally, instructions are in the online docs [Solana: Blockchain Rebuild for Scale: Getting Started](https://docs.solana.com/building-from-source).
+Start your own testnet locally, instructions are in the book [Solana: Blockchain Rebuild for Scale: Getting Started](https://docs.solana.com/book/getting-started).
 
 Remote Testnets
 ---
 
-* `testnet` - public stable testnet accessible via devnet.solana.com. Runs 24/7
+We maintain several testnets:
 
+* `testnet` - public stable testnet accessible via testnet.solana.com. Runs 24/7
+* `testnet-beta` - public beta channel testnet accessible via beta.testnet.solana.com. Runs 24/7
+* `testnet-edge` - public edge channel testnet accessible via edge.testnet.solana.com. Runs 24/7
 
 ## Deploy process
 
@@ -224,8 +240,3 @@ problem is solved by this code?" On the other hand, if a test does fail and you
 better way to solve the same problem, a Pull Request with your solution would most certainly be
 welcome! Likewise, if rewriting a test can better communicate what code it's protecting, please
 send us that patch!
-
-Disclaimer
-===
-
-All claims, content, designs, algorithms, estimates, roadmaps, specifications, and performance measurements described in this project are done with the author's best effort.  It is up to the reader to check and validate their accuracy and truthfulness.  Furthermore nothing in this project constitutes a solicitation for investment.

RELEASE.md

@@ -138,11 +138,30 @@ 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 `docs/src/running-archiver.md` and `docs/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-archiver.md` and `book/src/validator-testnet.md` on the release (beta) branch to point at the `solana-install` for the upcoming release version.
 
-### Update software on devnet.solana.com
+#### Publish updated Book
+We maintain three copies of the "book" as official documentation:
 
-The testnet running on devnet.solana.com is set to use a fixed release tag
+1) "Book" is the documentation for the latest official release.  This should get manually updated whenever a new release is made.  It is published here:
+https://solana-labs.github.io/book/
+
+2) "Book-edge" tracks the tip of the master branch and updates automatically.
+https://solana-labs.github.io/book-edge/
+
+3) "Book-beta" tracks the tip of the beta branch and updates automatically.
+https://solana-labs.github.io/book-beta/
+
+To manually trigger an update of the "Book", create a new job of the manual-update-book pipeline.
+Set the tag of the latest release as the PUBLISH_BOOK_TAG environment variable.
+```bash
+PUBLISH_BOOK_TAG=v0.16.6
+```
+https://buildkite.com/solana-labs/manual-update-book
+
+### Update software on testnet.solana.com
+
+The testnet running on testnet.solana.com is set to use a fixed release tag
 which is set in the Buildkite testnet-management pipeline.
 This tag needs to be updated and the testnet restarted after a new release
 tag is created.
@@ -182,4 +201,4 @@ TESTNET_OP=create-and-start
 ### Alert the community
 
 Notify Discord users on #validator-support that a new release for
-devnet.solana.com is available
+testnet.solana.com is available

archiver-lib/Cargo.toml

@@ -1,42 +0,0 @@
-[package]
-name = "solana-archiver-lib"
-version = "1.0.20"
-description = "Solana Archiver Library"
-authors = ["Solana Maintainers <maintainers@solana.com>"]
-repository = "https://github.com/solana-labs/solana"
-license = "Apache-2.0"
-homepage = "https://solana.com/"
-edition = "2018"
-
-[dependencies]
-bincode = "1.2.1"
-crossbeam-channel = "0.3"
-ed25519-dalek = "=1.0.0-pre.3"
-log = "0.4.8"
-rand = "0.7.0"
-rand_chacha = "0.2.2"
-solana-client = { path = "../client", version = "1.0.20" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.20" }
-thiserror = "1.0"
-serde = "1.0.104"
-serde_json = "1.0.46"
-serde_derive = "1.0.103"
-solana-net-utils = { path = "../net-utils", version = "1.0.20" }
-solana-chacha = { path = "../chacha", version = "1.0.20" }
-solana-chacha-sys = { path = "../chacha-sys", version = "1.0.20" }
-solana-ledger = { path = "../ledger", version = "1.0.20" }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-perf = { path = "../perf", version = "1.0.20" }
-solana-sdk = { path = "../sdk", version = "1.0.20" }
-solana-core = { path = "../core", version = "1.0.20" }
-solana-archiver-utils = { path = "../archiver-utils", version = "1.0.20" }
-solana-metrics = { path = "../metrics", version = "1.0.20" }
-
-[dev-dependencies]
-hex = "0.4.0"
-
-[lib]
-name = "solana_archiver_lib"
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

archiver-lib/src/lib.rs

@@ -1,11 +0,0 @@
-#[macro_use]
-extern crate log;
-
-#[macro_use]
-extern crate serde_derive;
-
-#[macro_use]
-extern crate solana_metrics;
-
-pub mod archiver;
-mod result;

archiver-lib/src/result.rs

@@ -1,47 +0,0 @@
-use solana_client::client_error;
-use solana_ledger::blockstore;
-use solana_sdk::transport;
-use std::any::Any;
-use thiserror::Error;
-
-#[derive(Error, Debug)]
-pub enum ArchiverError {
-    #[error("IO error")]
-    IO(#[from] std::io::Error),
-
-    #[error("blockstore error")]
-    BlockstoreError(#[from] blockstore::BlockstoreError),
-
-    #[error("crossbeam error")]
-    CrossbeamSendError(#[from] crossbeam_channel::SendError<u64>),
-
-    #[error("send error")]
-    SendError(#[from] std::sync::mpsc::SendError<u64>),
-
-    #[error("join error")]
-    JoinError(Box<dyn Any + Send + 'static>),
-
-    #[error("transport error")]
-    TransportError(#[from] transport::TransportError),
-
-    #[error("client error")]
-    ClientError(#[from] client_error::ClientError),
-
-    #[error("Json parsing error")]
-    JsonError(#[from] serde_json::error::Error),
-
-    #[error("Storage account has no balance")]
-    EmptyStorageAccountBalance,
-
-    #[error("No RPC peers..")]
-    NoRpcPeers,
-
-    #[error("Couldn't download full segment")]
-    SegmentDownloadError,
-}
-
-impl std::convert::From<Box<dyn Any + Send + 'static>> for ArchiverError {
-    fn from(e: Box<dyn Any + Send + 'static>) -> ArchiverError {
-        ArchiverError::JoinError(e)
-    }
-}

archiver-utils/Cargo.toml

@@ -1,28 +0,0 @@
-[package]
-name = "solana-archiver-utils"
-version = "1.0.20"
-description = "Solana Archiver Utils"
-authors = ["Solana Maintainers <maintainers@solana.com>"]
-repository = "https://github.com/solana-labs/solana"
-license = "Apache-2.0"
-homepage = "https://solana.com/"
-edition = "2018"
-
-[dependencies]
-log = "0.4.8"
-rand = "0.7.0"
-solana-chacha = { path = "../chacha", version = "1.0.20" }
-solana-chacha-sys = { path = "../chacha-sys", version = "1.0.20" }
-solana-ledger = { path = "../ledger", version = "1.0.20" }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-perf = { path = "../perf", version = "1.0.20" }
-solana-sdk = { path = "../sdk", version = "1.0.20" }
-
-[dev-dependencies]
-hex = "0.4.0"
-
-[lib]
-name = "solana_archiver_utils"
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

archiver-utils/src/lib.rs

@@ -1,120 +0,0 @@
-#[macro_use]
-extern crate log;
-
-use solana_sdk::hash::{Hash, Hasher};
-use std::fs::File;
-use std::io::{self, BufReader, ErrorKind, Read, Seek, SeekFrom};
-use std::mem::size_of;
-use std::path::Path;
-
-pub fn sample_file(in_path: &Path, sample_offsets: &[u64]) -> io::Result<Hash> {
-    let in_file = File::open(in_path)?;
-    let metadata = in_file.metadata()?;
-    let mut buffer_file = BufReader::new(in_file);
-
-    let mut hasher = Hasher::default();
-    let sample_size = size_of::<Hash>();
-    let sample_size64 = sample_size as u64;
-    let mut buf = vec![0; sample_size];
-
-    let file_len = metadata.len();
-    if file_len < sample_size64 {
-        return Err(io::Error::new(ErrorKind::Other, "file too short!"));
-    }
-    for offset in sample_offsets {
-        if *offset > (file_len - sample_size64) / sample_size64 {
-            return Err(io::Error::new(ErrorKind::Other, "offset too large"));
-        }
-        buffer_file.seek(SeekFrom::Start(*offset * sample_size64))?;
-        trace!("sampling @ {} ", *offset);
-        match buffer_file.read(&mut buf) {
-            Ok(size) => {
-                assert_eq!(size, buf.len());
-                hasher.hash(&buf);
-            }
-            Err(e) => {
-                warn!("Error sampling file");
-                return Err(e);
-            }
-        }
-    }
-
-    Ok(hasher.result())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use rand::{thread_rng, Rng};
-    use std::fs::{create_dir_all, remove_file};
-    use std::io::Write;
-    use std::path::PathBuf;
-
-    extern crate hex;
-
-    fn tmp_file_path(name: &str) -> PathBuf {
-        use std::env;
-        let out_dir = env::var("FARF_DIR").unwrap_or_else(|_| "farf".to_string());
-        let mut rand_bits = [0u8; 32];
-        thread_rng().fill(&mut rand_bits[..]);
-
-        let mut path = PathBuf::new();
-        path.push(out_dir);
-        path.push("tmp");
-        create_dir_all(&path).unwrap();
-
-        path.push(format!("{}-{:?}", name, hex::encode(rand_bits)));
-        println!("path: {:?}", path);
-        path
-    }
-
-    #[test]
-    fn test_sample_file() {
-        solana_logger::setup();
-        let in_path = tmp_file_path("test_sample_file_input.txt");
-        let num_strings = 4096;
-        let string = "12foobar";
-        {
-            let mut in_file = File::create(&in_path).unwrap();
-            for _ in 0..num_strings {
-                in_file.write(string.as_bytes()).unwrap();
-            }
-        }
-        let num_samples = (string.len() * num_strings / size_of::<Hash>()) as u64;
-        let samples: Vec<_> = (0..num_samples).collect();
-        let res = sample_file(&in_path, samples.as_slice());
-        let ref_hash: Hash = Hash::new(&[
-            173, 251, 182, 165, 10, 54, 33, 150, 133, 226, 106, 150, 99, 192, 179, 1, 230, 144,
-            151, 126, 18, 191, 54, 67, 249, 140, 230, 160, 56, 30, 170, 52,
-        ]);
-        let res = res.unwrap();
-        assert_eq!(res, ref_hash);
-
-        // Sample just past the end
-        assert!(sample_file(&in_path, &[num_samples]).is_err());
-        remove_file(&in_path).unwrap();
-    }
-
-    #[test]
-    fn test_sample_file_invalid_offset() {
-        let in_path = tmp_file_path("test_sample_file_invalid_offset_input.txt");
-        {
-            let mut in_file = File::create(&in_path).unwrap();
-            for _ in 0..4096 {
-                in_file.write("123456foobar".as_bytes()).unwrap();
-            }
-        }
-        let samples = [0, 200000];
-        let res = sample_file(&in_path, &samples);
-        assert!(res.is_err());
-        remove_file(in_path).unwrap();
-    }
-
-    #[test]
-    fn test_sample_file_missing_file() {
-        let in_path = tmp_file_path("test_sample_file_that_doesnt_exist.txt");
-        let samples = [0, 5];
-        let res = sample_file(&in_path, &samples);
-        assert!(res.is_err());
-    }
-}

archiver/Cargo.toml

@@ -2,22 +2,18 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-archiver"
-version = "1.0.20"
+version = "0.21.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
 clap = "2.33.0"
-console = "0.9.2"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.20" }
-solana-core = { path = "../core", version = "1.0.20" }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-metrics = { path = "../metrics", version = "1.0.20" }
-solana-archiver-lib = { path = "../archiver-lib", version = "1.0.20" }
-solana-net-utils = { path = "../net-utils", version = "1.0.20" }
-solana-sdk = { path = "../sdk", version = "1.0.20" }
+console = "0.9.1"
+solana-clap-utils = { path = "../clap-utils", version = "0.21.8" }
+solana-core = { path = "../core", version = "0.21.8" }
+solana-logger = { path = "../logger", version = "0.21.8" }
+solana-metrics = { path = "../metrics", version = "0.21.8" }
+solana-net-utils = { path = "../net-utils", version = "0.21.8" }
+solana-sdk = { path = "../sdk", version = "0.21.8" }
 
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

archiver/src/main.rs

@@ -1,23 +1,19 @@
 use clap::{crate_description, crate_name, App, Arg};
 use console::style;
-use solana_archiver_lib::archiver::Archiver;
 use solana_clap_utils::{
-    input_parsers::keypair_of, input_validators::is_keypair_or_ask_keyword,
-    keypair::SKIP_SEED_PHRASE_VALIDATION_ARG,
+    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::{Keypair, Signer},
-};
-use std::{
-    net::{IpAddr, Ipv4Addr, SocketAddr},
-    path::PathBuf,
-    sync::Arc,
-};
+use solana_sdk::{commitment_config::CommitmentConfig, signature::KeypairUtil};
+use std::{net::SocketAddr, path::PathBuf, process::exit, sync::Arc};
 
 fn main() {
     solana_logger::setup();
@@ -28,10 +24,10 @@ fn main() {
         .arg(
             Arg::with_name("identity_keypair")
                 .short("i")
-                .long("identity")
+                .long("identity-keypair")
                 .value_name("PATH")
                 .takes_value(true)
-                .validator(is_keypair_or_ask_keyword)
+                .validator(is_keypair)
                 .help("File containing an identity (keypair)"),
         )
         .arg(
@@ -59,27 +55,48 @@ fn main() {
                 .long("storage-keypair")
                 .value_name("PATH")
                 .takes_value(true)
-                .validator(is_keypair_or_ask_keyword)
+                .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_of(&matches, "identity_keypair").unwrap_or_else(Keypair::new);
-
-    let storage_keypair = keypair_of(&matches, "storage_keypair").unwrap_or_else(|| {
+    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")
@@ -99,7 +116,6 @@ fn main() {
         &identity_keypair.pubkey(),
         &gossip_addr,
         VALIDATOR_PORT_RANGE,
-        IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)),
     );
 
     println!(

banking-bench/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-banking-bench"
-version = "1.0.20"
+version = "0.21.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -10,14 +10,11 @@ homepage = "https://solana.com/"
 [dependencies]
 log = "0.4.6"
 rayon = "1.2.0"
-solana-core = { path = "../core", version = "1.0.20" }
-solana-ledger = { path = "../ledger", version = "1.0.20" }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-runtime = { path = "../runtime", version = "1.0.20" }
-solana-measure = { path = "../measure", version = "1.0.20" }
-solana-sdk = { path = "../sdk", version = "1.0.20" }
-rand = "0.7.0"
+solana-core = { path = "../core", version = "0.21.8" }
+solana-ledger = { path = "../ledger", version = "0.21.8" }
+solana-logger = { path = "../logger", version = "0.21.8" }
+solana-runtime = { path = "../runtime", version = "0.21.8" }
+solana-measure = { path = "../measure", version = "0.21.8" }
+solana-sdk = { path = "../sdk", version = "0.21.8" }
+rand = "0.6.5"
 crossbeam-channel = "0.3"
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

banking-bench/src/main.rs

@@ -10,7 +10,7 @@ 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_ledger::{blocktree::Blocktree, get_tmp_ledger_path};
 use solana_measure::measure::Measure;
 use solana_runtime::bank::Bank;
 use solana_sdk::hash::Hash;
@@ -139,11 +139,11 @@ fn main() {
     let mut verified: Vec<_> = to_packets_chunked(&transactions.clone(), PACKETS_PER_BATCH);
     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, None);
         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(
@@ -162,8 +162,9 @@ 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 mut total_us = 0;
-        let mut tx_total_us = 0;
+        let signal_receiver2 = signal_receiver.clone();
+        let mut total = 0;
+        let mut tx_total = 0;
         let mut txs_processed = 0;
         let mut root = 1;
         let collector = Pubkey::new_rand();
@@ -173,7 +174,6 @@ fn main() {
             chunk_len,
             num_threads,
         };
-        let mut total_sent = 0;
         for _ in 0..ITERS {
             let now = Instant::now();
             let mut sent = 0;
@@ -215,7 +215,7 @@ 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(),
@@ -224,7 +224,7 @@ fn main() {
                 );
                 assert!(txs_processed < bank.transaction_count());
                 txs_processed = bank.transaction_count();
-                tx_total_us += duration_as_us(&now.elapsed());
+                tx_total += duration_as_us(&now.elapsed());
 
                 let mut poh_time = Measure::start("poh_time");
                 poh_recorder.lock().unwrap().reset(
@@ -246,7 +246,7 @@ fn main() {
                 poh_recorder.lock().unwrap().set_bank(&bank);
                 assert!(poh_recorder.lock().unwrap().bank().is_some());
                 if bank.slot() > 32 {
-                    bank_forks.set_root(root, &None, None);
+                    bank_forks.set_root(root, &None);
                     root += 1;
                 }
                 debug!(
@@ -256,21 +256,20 @@ fn main() {
                     poh_time.as_us(),
                 );
             } else {
-                tx_total_us += duration_as_us(&now.elapsed());
+                tx_total += duration_as_us(&now.elapsed());
             }
 
             // This signature clear may not actually clear the signatures
             // in this chunk, but since we rotate between CHUNKS then
             // we should clear them by the time we come around again to re-use that chunk.
             bank.clear_signatures();
-            total_us += duration_as_us(&now.elapsed());
+            total += duration_as_us(&now.elapsed());
             debug!(
                 "time: {} us checked: {} sent: {}",
                 duration_as_us(&now.elapsed()),
                 txes / CHUNKS,
                 sent,
             );
-            total_sent += sent;
 
             if bank.slot() > 0 && bank.slot() % 16 == 0 {
                 for tx in transactions.iter_mut() {
@@ -286,11 +285,11 @@ fn main() {
         }
         eprintln!(
             "{{'name': 'banking_bench_total', 'median': '{}'}}",
-            (1000.0 * 1000.0 * total_sent as f64) / (total_us as f64),
+            total / ITERS as u64,
         );
         eprintln!(
             "{{'name': 'banking_bench_tx_total', 'median': '{}'}}",
-            (1000.0 * 1000.0 * total_sent as f64) / (tx_total_us as f64),
+            tx_total / ITERS as u64,
         );
 
         drop(verified_sender);
@@ -302,5 +301,5 @@ fn main() {
         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

@@ -2,36 +2,40 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-exchange"
-version = "1.0.20"
+version = "0.21.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 publish = false
 
 [dependencies]
+bincode = "1.2.0"
+bs58 = "0.3.0"
 clap = "2.32.0"
+env_logger = "0.7.1"
 itertools = "0.8.2"
 log = "0.4.8"
 num-derive = "0.3"
 num-traits = "0.2"
-rand = "0.7.0"
+rand = "0.6.5"
 rayon = "1.2.0"
-serde_json = "1.0.46"
+serde = "1.0.102"
+serde_derive = "1.0.102"
+serde_json = "1.0.41"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.20" }
-solana-core = { path = "../core", version = "1.0.20" }
-solana-genesis = { path = "../genesis", version = "1.0.20" }
-solana-client = { path = "../client", version = "1.0.20" }
-solana-faucet = { path = "../faucet", version = "1.0.20" }
-solana-exchange-program = { path = "../programs/exchange", version = "1.0.20" }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-metrics = { path = "../metrics", version = "1.0.20" }
-solana-net-utils = { path = "../net-utils", version = "1.0.20" }
-solana-runtime = { path = "../runtime", version = "1.0.20" }
-solana-sdk = { path = "../sdk", version = "1.0.20" }
+solana-clap-utils = { path = "../clap-utils", version = "0.21.8" }
+solana-core = { path = "../core", version = "0.21.8" }
+solana-genesis = { path = "../genesis", version = "0.21.8" }
+solana-client = { path = "../client", version = "0.21.8" }
+solana-drone = { path = "../drone", version = "0.21.8" }
+solana-exchange-program = { path = "../programs/exchange", version = "0.21.8" }
+solana-logger = { path = "../logger", version = "0.21.8" }
+solana-metrics = { path = "../metrics", version = "0.21.8" }
+solana-net-utils = { path = "../net-utils", version = "0.21.8" }
+solana-runtime = { path = "../runtime", version = "0.21.8" }
+solana-sdk = { path = "../sdk", version = "0.21.8" }
+untrusted = "0.7.0"
+ws = "0.9.1"
 
 [dev-dependencies]
-solana-local-cluster = { path = "../local-cluster", version = "1.0.20" }
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]
+solana-local-cluster = { path = "../local-cluster", version = "0.21.8" }

bench-exchange/src/bench.rs

@@ -7,15 +7,15 @@ use rand::{thread_rng, Rng};
 use rayon::prelude::*;
 use solana_client::perf_utils::{sample_txs, SampleStats};
 use solana_core::gen_keys::GenKeys;
+use solana_drone::drone::request_airdrop_transaction;
 use solana_exchange_program::{exchange_instruction, exchange_state::*, id};
-use solana_faucet::faucet::request_airdrop_transaction;
 use solana_genesis::Base64Account;
 use solana_metrics::datapoint_info;
 use solana_sdk::{
     client::{Client, SyncClient},
     commitment_config::CommitmentConfig,
     pubkey::Pubkey,
-    signature::{Keypair, Signer},
+    signature::{Keypair, KeypairUtil},
     timing::{duration_as_ms, duration_as_s},
     transaction::Transaction,
     {system_instruction, system_program},
@@ -256,7 +256,7 @@ 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())
@@ -701,7 +701,7 @@ fn verify_funding_transfer<T: SyncClient + ?Sized>(
     false
 }
 
-pub fn fund_keys<T: Client>(client: &T, source: &Keypair, dests: &[Arc<Keypair>], lamports: u64) {
+pub fn fund_keys(client: &dyn Client, source: &Keypair, dests: &[Arc<Keypair>], lamports: u64) {
     let total = lamports * (dests.len() as u64 + 1);
     let mut funded: Vec<(&Keypair, u64)> = vec![(source, total)];
     let mut notfunded: Vec<&Arc<Keypair>> = dests.iter().collect();
@@ -824,11 +824,7 @@ pub fn fund_keys<T: Client>(client: &T, source: &Keypair, dests: &[Arc<Keypair>]
     }
 }
 
-pub fn create_token_accounts<T: Client>(
-    client: &T,
-    signers: &[Arc<Keypair>],
-    accounts: &[Keypair],
-) {
+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();
 
     while !notfunded.is_empty() {
@@ -972,12 +968,7 @@ fn generate_keypairs(num: u64) -> Vec<Keypair> {
     rnd.gen_n_keypairs(num)
 }
 
-pub fn airdrop_lamports<T: Client>(
-    client: &T,
-    faucet_addr: &SocketAddr,
-    id: &Keypair,
-    amount: u64,
-) {
+pub fn airdrop_lamports(client: &dyn Client, drone_addr: &SocketAddr, id: &Keypair, amount: u64) {
     let balance = client.get_balance_with_commitment(&id.pubkey(), CommitmentConfig::recent());
     let balance = balance.unwrap_or(0);
     if balance >= amount {
@@ -989,7 +980,7 @@ pub fn airdrop_lamports<T: Client>(
     info!(
         "Airdropping {:?} lamports from {} for {}",
         amount_to_drop,
-        faucet_addr,
+        drone_addr,
         id.pubkey(),
     );
 
@@ -998,7 +989,7 @@ pub fn airdrop_lamports<T: Client>(
         let (blockhash, _fee_calculator) = client
             .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
             .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();
 
@@ -1022,7 +1013,7 @@ pub fn airdrop_lamports<T: Client>(
             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 solana_core::gen_keys::GenKeys;
-use solana_faucet::faucet::FAUCET_PORT;
-use solana_sdk::signature::{read_keypair_file, Keypair};
+use solana_drone::drone::DRONE_PORT;
+use solana_sdk::signature::{read_keypair_file, 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,
@@ -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")
@@ -174,9 +174,9 @@ pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
         exit(1)
     });
 
-    args.faucet_addr = solana_net_utils::parse_host_port(matches.value_of("faucet").unwrap())
+    args.drone_addr = solana_net_utils::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)
         });
 

bench-exchange/src/main.rs

@@ -5,7 +5,7 @@ pub mod order_book;
 use crate::bench::{airdrop_lamports, create_client_accounts_file, do_bench_exchange, Config};
 use log::*;
 use solana_core::gossip_service::{discover_cluster, get_multi_client};
-use solana_sdk::signature::Signer;
+use solana_sdk::signature::KeypairUtil;
 
 fn main() {
     solana_logger::setup();
@@ -16,7 +16,7 @@ fn main() {
 
     let cli::Config {
         entrypoint_addr,
-        faucet_addr,
+        drone_addr,
         identity,
         threads,
         num_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/tests/bench_exchange.rs

@@ -2,21 +2,20 @@ use log::*;
 use solana_bench_exchange::bench::{airdrop_lamports, do_bench_exchange, Config};
 use solana_core::gossip_service::{discover_cluster, get_multi_client};
 use solana_core::validator::ValidatorConfig;
+use solana_drone::drone::run_local_drone;
 use solana_exchange_program::exchange_processor::process_instruction;
 use solana_exchange_program::id;
 use solana_exchange_program::solana_exchange_program;
-use solana_faucet::faucet::run_local_faucet;
 use solana_local_cluster::local_cluster::{ClusterConfig, LocalCluster};
 use solana_runtime::bank::Bank;
 use solana_runtime::bank_client::BankClient;
 use solana_sdk::genesis_config::create_genesis_config;
-use solana_sdk::signature::{Keypair, Signer};
+use solana_sdk::signature::{Keypair, KeypairUtil};
 use std::process::exit;
 use std::sync::mpsc::channel;
 use std::time::Duration;
 
 #[test]
-#[ignore]
 fn test_exchange_local_cluster() {
     solana_logger::setup();
 
@@ -47,16 +46,16 @@ fn test_exchange_local_cluster() {
         ..ClusterConfig::default()
     });
 
-    let faucet_keypair = Keypair::new();
+    let drone_keypair = Keypair::new();
     cluster.transfer(
         &cluster.funding_keypair,
-        &faucet_keypair.pubkey(),
+        &drone_keypair.pubkey(),
         2_000_000_000_000,
     );
 
     let (addr_sender, addr_receiver) = channel();
-    run_local_faucet(faucet_keypair, addr_sender, Some(1_000_000_000_000));
-    let faucet_addr = addr_receiver.recv_timeout(Duration::from_secs(2)).unwrap();
+    run_local_drone(drone_keypair, addr_sender, Some(1_000_000_000_000));
+    let drone_addr = addr_receiver.recv_timeout(Duration::from_secs(2)).unwrap();
 
     info!("Connecting to the cluster");
     let (nodes, _) =
@@ -73,7 +72,7 @@ fn test_exchange_local_cluster() {
     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-streamer/Cargo.toml

@@ -2,17 +2,14 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-streamer"
-version = "1.0.20"
+version = "0.21.8"
 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 = "1.0.20" }
-solana-core = { path = "../core", version = "1.0.20" }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-net-utils = { path = "../net-utils", version = "1.0.20" }
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]
+solana-clap-utils = { path = "../clap-utils", version = "0.21.8" }
+solana-core = { path = "../core", version = "0.21.8" }
+solana-logger = { path = "../logger", version = "0.21.8" }
+solana-net-utils = { path = "../net-utils", version = "0.21.8" }

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 solana_core::result::Result;
 use solana_core::streamer::{receiver, PacketReceiver};
 use std::cmp::max;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket};
@@ -7,7 +8,7 @@ use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::mpsc::channel;
 use std::sync::Arc;
 use std::thread::sleep;
-use std::thread::{spawn, JoinHandle, Result};
+use std::thread::{spawn, JoinHandle};
 use std::time::Duration;
 use std::time::SystemTime;
 
@@ -67,8 +68,7 @@ fn main() -> Result<()> {
     }
 
     let mut port = 0;
-    let ip_addr = IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0));
-    let mut addr = SocketAddr::new(ip_addr, 0);
+    let mut addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 0);
 
     let exit = Arc::new(AtomicBool::new(false));
 
@@ -76,7 +76,7 @@ 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(ip_addr, port, false).unwrap();
+        let read = solana_net_utils::bind_to(port, false).unwrap();
         read.set_read_timeout(Some(Duration::new(1, 0))).unwrap();
 
         addr = read.local_addr().unwrap();

bench-tps/Cargo.toml

@@ -2,39 +2,38 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-tps"
-version = "1.0.20"
+version = "0.21.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
-bincode = "1.2.1"
+bincode = "1.2.0"
 clap = "2.33.0"
 log = "0.4.8"
 rayon = "1.2.0"
-serde_json = "1.0.46"
+serde = "1.0.102"
+serde_derive = "1.0.102"
+serde_json = "1.0.41"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.20" }
-solana-core = { path = "../core", version = "1.0.20" }
-solana-genesis = { path = "../genesis", version = "1.0.20" }
-solana-client = { path = "../client", version = "1.0.20" }
-solana-faucet = { path = "../faucet", version = "1.0.20" }
-#solana-librapay = { path = "../programs/librapay", version = "1.0.20", optional = true }
-solana-logger = { path = "../logger", version = "1.0.20" }
-solana-metrics = { path = "../metrics", version = "1.0.20" }
-solana-measure = { path = "../measure", version = "1.0.20" }
-solana-net-utils = { path = "../net-utils", version = "1.0.20" }
-solana-runtime = { path = "../runtime", version = "1.0.20" }
-solana-sdk = { path = "../sdk", version = "1.0.20" }
-#solana-move-loader-program = { path = "../programs/move_loader", version = "1.0.20", optional = true }
+solana-clap-utils = { path = "../clap-utils", version = "0.21.8" }
+solana-core = { path = "../core", version = "0.21.8" }
+solana-genesis = { path = "../genesis", version = "0.21.8" }
+solana-client = { path = "../client", version = "0.21.8" }
+solana-drone = { path = "../drone", version = "0.21.8" }
+solana-librapay-api = { path = "../programs/librapay_api", version = "0.21.8", optional = true }
+solana-logger = { path = "../logger", version = "0.21.8" }
+solana-metrics = { path = "../metrics", version = "0.21.8" }
+solana-measure = { path = "../measure", version = "0.21.8" }
+solana-net-utils = { path = "../net-utils", version = "0.21.8" }
+solana-runtime = { path = "../runtime", version = "0.21.8" }
+solana-sdk = { path = "../sdk", version = "0.21.8" }
+solana-move-loader-program = { path = "../programs/move_loader", version = "0.21.8", optional = true }
 
 [dev-dependencies]
-serial_test = "0.3.2"
-serial_test_derive = "0.4.0"
-solana-local-cluster = { path = "../local-cluster", version = "1.0.20" }
+serial_test = "0.2.0"
+serial_test_derive = "0.2.0"
+solana-local-cluster = { path = "../local-cluster", version = "0.21.8" }
 
-#[features]
-#move = ["solana-librapay", "solana-move-loader-program"]
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]
+[features]
+move = ["solana-librapay-api", "solana-move-loader-program"]

bench-tps/src/bench.rs

@@ -3,11 +3,11 @@ use log::*;
 use rayon::prelude::*;
 use solana_client::perf_utils::{sample_txs, SampleStats};
 use solana_core::gen_keys::GenKeys;
-use solana_faucet::faucet::request_airdrop_transaction;
+use solana_drone::drone::request_airdrop_transaction;
 #[cfg(feature = "move")]
-use solana_librapay::{create_genesis, upload_mint_script, upload_payment_script};
+use solana_librapay_api::{create_genesis, upload_mint_script, upload_payment_script};
 use solana_measure::measure::Measure;
-use solana_metrics::{self, datapoint_info};
+use solana_metrics::{self, datapoint_debug};
 use solana_sdk::{
     client::Client,
     clock::{DEFAULT_TICKS_PER_SECOND, DEFAULT_TICKS_PER_SLOT, MAX_PROCESSING_AGE},
@@ -15,13 +15,14 @@ use solana_sdk::{
     fee_calculator::FeeCalculator,
     hash::Hash,
     pubkey::Pubkey,
-    signature::{Keypair, Signer},
+    signature::{Keypair, KeypairUtil},
     system_instruction, system_transaction,
     timing::{duration_as_ms, duration_as_s, duration_as_us, timestamp},
     transaction::Transaction,
 };
 use std::{
-    collections::{HashSet, VecDeque},
+    cmp,
+    collections::VecDeque,
     net::SocketAddr,
     process::exit,
     sync::{
@@ -37,7 +38,7 @@ const MAX_TX_QUEUE_AGE: u64 =
     MAX_PROCESSING_AGE as u64 * DEFAULT_TICKS_PER_SLOT / DEFAULT_TICKS_PER_SECOND;
 
 #[cfg(feature = "move")]
-use solana_librapay::librapay_transaction;
+use solana_librapay_api::librapay_transaction;
 
 pub const MAX_SPENDS_PER_TX: u64 = 4;
 
@@ -65,9 +66,10 @@ fn get_recent_blockhash<T: Client>(client: &T) -> (Hash, FeeCalculator) {
 }
 
 pub fn do_bench_tps<T>(
-    client: Arc<T>,
+    clients: Vec<T>,
     config: Config,
     gen_keypairs: Vec<Keypair>,
+    keypair0_balance: u64,
     libra_args: Option<LibraKeys>,
 ) -> u64
 where
@@ -80,9 +82,13 @@ where
         duration,
         tx_count,
         sustained,
+        num_lamports_per_account,
         ..
     } = config;
 
+    let clients: Vec<_> = clients.into_iter().map(Arc::new).collect();
+    let client = &clients[0];
+
     let mut source_keypair_chunks: Vec<Vec<&Keypair>> = Vec::new();
     let mut dest_keypair_chunks: Vec<VecDeque<&Keypair>> = Vec::new();
     assert!(gen_keypairs.len() >= 2 * tx_count);
@@ -109,7 +115,9 @@ where
     let maxes = Arc::new(RwLock::new(Vec::new()));
     let sample_period = 1; // in seconds
     info!("Sampling TPS every {} second...", sample_period);
-    let sample_thread = {
+    let v_threads: Vec<_> = clients
+        .iter()
+        .map(|client| {
             let exit_signal = exit_signal.clone();
             let maxes = maxes.clone();
             let client = client.clone();
@@ -119,7 +127,8 @@ where
                     sample_txs(&exit_signal, &maxes, sample_period, &client);
                 })
                 .unwrap()
-    };
+        })
+        .collect();
 
     let shared_txs: SharedTransactions = Arc::new(RwLock::new(VecDeque::new()));
 
@@ -165,10 +174,11 @@ where
 
     // generate and send transactions for the specified duration
     let start = Instant::now();
-    let keypair_chunks = source_keypair_chunks.len();
+    let keypair_chunks = source_keypair_chunks.len() as u64;
     let mut reclaim_lamports_back_to_source_account = false;
-    let mut chunk_index = 0;
+    let mut i = keypair0_balance;
     while start.elapsed() < duration {
+        let chunk_index = (i % keypair_chunks) as usize;
         generate_txs(
             &shared_txs,
             &recent_blockhash,
@@ -187,9 +197,7 @@ where
                 sleep(Duration::from_millis(1));
             }
         } else {
-            while !shared_txs.read().unwrap().is_empty()
-                || shared_tx_active_thread_count.load(Ordering::Relaxed) > 0
-            {
+            while shared_tx_active_thread_count.load(Ordering::Relaxed) > 0 {
                 sleep(Duration::from_millis(1));
             }
         }
@@ -198,11 +206,8 @@ where
         // transaction signatures even when blockhash is reused.
         dest_keypair_chunks[chunk_index].rotate_left(1);
 
-        // Move on to next chunk
-        chunk_index = (chunk_index + 1) % keypair_chunks;
-
-        // Switch directions after transfering for each "chunk"
-        if chunk_index == 0 {
+        i += 1;
+        if should_switch_directions(num_lamports_per_account, keypair_chunks, i) {
             reclaim_lamports_back_to_source_account = !reclaim_lamports_back_to_source_account;
         }
     }
@@ -210,10 +215,12 @@ where
     // Stop the sampling threads so it will collect the stats
     exit_signal.store(true, Ordering::Relaxed);
 
-    info!("Waiting for sampler threads...");
-    if let Err(err) = sample_thread.join() {
+    info!("Waiting for validator threads...");
+    for t in v_threads {
+        if let Err(err) = t.join() {
             info!("  join() failed with: {:?}", err);
         }
+    }
 
     // join the tx send threads
     info!("Waiting for transmit threads...");
@@ -244,7 +251,7 @@ where
 
 fn metrics_submit_lamport_balance(lamport_balance: u64) {
     info!("Token balance: {}", lamport_balance);
-    datapoint_info!(
+    datapoint_debug!(
         "bench-tps-lamport_balance",
         ("balance", lamport_balance, i64)
     );
@@ -375,7 +382,7 @@ fn generate_txs(
         duration_as_ms(&duration),
         blockhash,
     );
-    datapoint_info!(
+    datapoint_debug!(
         "bench-tps-generate_txs",
         ("duration", duration_as_us(&duration), i64)
     );
@@ -481,7 +488,7 @@ fn do_tx_transfers<T: Client>(
                 duration_as_ms(&transfer_start.elapsed()),
                 tx_len as f32 / duration_as_s(&transfer_start.elapsed()),
             );
-            datapoint_info!(
+            datapoint_debug!(
                 "bench-tps-do_tx_transfers",
                 ("duration", duration_as_us(&transfer_start.elapsed()), i64),
                 ("count", tx_len, i64)
@@ -493,81 +500,86 @@ fn do_tx_transfers<T: Client>(
     }
 }
 
-fn verify_funding_transfer<T: Client>(client: &Arc<T>, tx: &Transaction, amount: u64) -> bool {
+fn verify_funding_transfer<T: Client>(client: &T, tx: &Transaction, amount: u64) -> bool {
     for a in &tx.message().account_keys[1..] {
-        match client.get_balance_with_commitment(a, CommitmentConfig::recent()) {
-            Ok(balance) => return balance >= amount,
-            Err(err) => error!("failed to get balance {:?}", err),
+        if client
+            .get_balance_with_commitment(a, CommitmentConfig::recent())
+            .unwrap_or(0)
+            >= amount
+        {
+            return true;
         }
     }
     false
 }
 
-trait FundingTransactions<'a> {
-    fn fund<T: 'static + Client + Send + Sync>(
-        &mut self,
-        client: &Arc<T>,
-        to_fund: &[(&'a Keypair, Vec<(Pubkey, u64)>)],
-        to_lamports: u64,
-    );
-    fn make(&mut self, to_fund: &[(&'a Keypair, Vec<(Pubkey, u64)>)]);
-    fn sign(&mut self, blockhash: Hash);
-    fn send<T: Client>(&self, client: &Arc<T>);
-    fn verify<T: 'static + Client + Send + Sync>(&mut self, client: &Arc<T>, to_lamports: u64);
-}
-
-impl<'a> FundingTransactions<'a> for Vec<(&'a Keypair, Transaction)> {
-    fn fund<T: 'static + Client + Send + Sync>(
-        &mut self,
-        client: &Arc<T>,
-        to_fund: &[(&'a Keypair, Vec<(Pubkey, u64)>)],
-        to_lamports: u64,
+/// fund the dests keys by spending all of the source keys into MAX_SPENDS_PER_TX
+/// on every iteration.  This allows us to replay the transfers because the source is either empty,
+/// or full
+pub fn fund_keys<T: Client>(
+    client: &T,
+    source: &Keypair,
+    dests: &[Keypair],
+    total: u64,
+    max_fee: u64,
+    mut extra: u64,
 ) {
-        self.make(to_fund);
+    let mut funded: Vec<(&Keypair, u64)> = vec![(source, total)];
+    let mut notfunded: Vec<&Keypair> = dests.iter().collect();
+    let lamports_per_account = (total - (extra * max_fee)) / (notfunded.len() as u64 + 1);
 
-        let mut tries = 0;
-        while !self.is_empty() {
     info!(
-                "{} {} each to {} accounts in {} txs",
-                if tries == 0 {
-                    "transferring"
-                } else {
-                    " retrying"
-                },
-                to_lamports,
-                self.len() * MAX_SPENDS_PER_TX as usize,
-                self.len(),
+        "funding keys {} with lamports: {:?} total: {}",
+        dests.len(),
+        client.get_balance(&source.pubkey()),
+        total
     );
-
-            let (blockhash, _fee_calculator) = get_recent_blockhash(client.as_ref());
-
-            // re-sign retained to_fund_txes with updated blockhash
-            self.sign(blockhash);
-            self.send(&client);
-
-            // Sleep a few slots to allow transactions to process
-            sleep(Duration::from_secs(1));
-
-            self.verify(&client, to_lamports);
-
-            // retry anything that seems to have dropped through cracks
-            //  again since these txs are all or nothing, they're fine to
-            //  retry
-            tries += 1;
+    while !notfunded.is_empty() {
+        let mut new_funded: Vec<(&Keypair, u64)> = vec![];
+        let mut to_fund = vec![];
+        info!("creating from... {}", funded.len());
+        let mut build_to_fund = Measure::start("build_to_fund");
+        for f in &mut funded {
+            let max_units = cmp::min(notfunded.len() as u64, MAX_SPENDS_PER_TX);
+            if max_units == 0 {
+                break;
             }
-        info!("transferred");
+            let start = notfunded.len() - max_units as usize;
+            let fees = if extra > 0 { max_fee } else { 0 };
+            let per_unit = (f.1 - lamports_per_account - fees) / max_units;
+            let moves: Vec<_> = notfunded[start..]
+                .iter()
+                .map(|k| (k.pubkey(), per_unit))
+                .collect();
+            notfunded[start..]
+                .iter()
+                .for_each(|k| new_funded.push((k, per_unit)));
+            notfunded.truncate(start);
+            if !moves.is_empty() {
+                to_fund.push((f.0, moves));
             }
+            extra -= 1;
+        }
+        build_to_fund.stop();
+        debug!("build to_fund vec: {}us", build_to_fund.as_us());
+
+        // try to transfer a "few" at a time with recent blockhash
+        //  assume 4MB network buffers, and 512 byte packets
+        const FUND_CHUNK_LEN: usize = 4 * 1024 * 1024 / 512;
+
+        to_fund.chunks(FUND_CHUNK_LEN).for_each(|chunk| {
+            let mut tries = 0;
 
-    fn make(&mut self, to_fund: &[(&'a Keypair, Vec<(Pubkey, u64)>)]) {
             let mut make_txs = Measure::start("make_txs");
-        let to_fund_txs: Vec<(&Keypair, Transaction)> = to_fund
+            // this set of transactions just initializes us for bookkeeping
+            #[allow(clippy::clone_double_ref)] // sigh
+            let mut to_fund_txs: Vec<_> = chunk
                 .par_iter()
-            .map(|(k, t)| {
-                let tx = Transaction::new_unsigned_instructions(system_instruction::transfer_many(
-                    &k.pubkey(),
-                    &t,
-                ));
-                (*k, tx)
+                .map(|(k, m)| {
+                    let tx = Transaction::new_unsigned_instructions(
+                        system_instruction::transfer_many(&k.pubkey(), &m),
+                    );
+                    (k.clone(), tx)
                 })
                 .collect();
             make_txs.stop();
@@ -576,159 +588,113 @@ impl<'a> FundingTransactions<'a> for Vec<(&'a Keypair, Transaction)> {
                 to_fund_txs.len(),
                 make_txs.as_us()
             );
-        self.extend(to_fund_txs);
-    }
 
-    fn sign(&mut self, blockhash: Hash) {
+            let amount = chunk[0].1[0].1;
+
+            while !to_fund_txs.is_empty() {
+                let receivers = to_fund_txs
+                    .iter()
+                    .fold(0, |len, (_, tx)| len + tx.message().instructions.len());
+
+                info!(
+                    "{} {} to {} in {} txs",
+                    if tries == 0 {
+                        "transferring"
+                    } else {
+                        " retrying"
+                    },
+                    amount,
+                    receivers,
+                    to_fund_txs.len(),
+                );
+
+                let (blockhash, _fee_calculator) = get_recent_blockhash(client);
+
+                // re-sign retained to_fund_txes with updated blockhash
                 let mut sign_txs = Measure::start("sign_txs");
-        self.par_iter_mut().for_each(|(k, tx)| {
+                to_fund_txs.par_iter_mut().for_each(|(k, tx)| {
                     tx.sign(&[*k], blockhash);
                 });
                 sign_txs.stop();
-        debug!("sign {} txs: {}us", self.len(), sign_txs.as_us());
-    }
+                debug!("sign {} txs: {}us", to_fund_txs.len(), sign_txs.as_us());
 
-    fn send<T: Client>(&self, client: &Arc<T>) {
                 let mut send_txs = Measure::start("send_txs");
-        self.iter().for_each(|(_, tx)| {
+                to_fund_txs.iter().for_each(|(_, tx)| {
                     client.async_send_transaction(tx.clone()).expect("transfer");
                 });
                 send_txs.stop();
-        debug!("send {} txs: {}us", self.len(), send_txs.as_us());
-    }
+                debug!("send {} txs: {}us", to_fund_txs.len(), send_txs.as_us());
 
-    fn verify<T: 'static + Client + Send + Sync>(&mut self, client: &Arc<T>, to_lamports: u64) {
-        let starting_txs = self.len();
-        let verified_txs = Arc::new(AtomicUsize::new(0));
-        let too_many_failures = Arc::new(AtomicBool::new(false));
-        let loops = if starting_txs < 1000 { 3 } else { 1 };
+                let mut verify_txs = Measure::start("verify_txs");
+                let mut starting_txs = to_fund_txs.len();
+                let mut verified_txs = 0;
+                let mut failed_verify = 0;
                 // Only loop multiple times for small (quick) transaction batches
-        for _ in 0..loops {
-            let failed_verify = Arc::new(AtomicUsize::new(0));
-            let client = client.clone();
-            let verified_txs = &verified_txs;
-            let failed_verify = &failed_verify;
-            let too_many_failures = &too_many_failures;
-            let verified_set: HashSet<Pubkey> = self
-                .par_iter()
-                .filter_map(move |(k, tx)| {
-                    if too_many_failures.load(Ordering::Relaxed) {
-                        return None;
+                for _ in 0..(if starting_txs < 1000 { 3 } else { 1 }) {
+                    let mut timer = Instant::now();
+                    to_fund_txs.retain(|(_, tx)| {
+                        if timer.elapsed() >= Duration::from_secs(5) {
+                            if failed_verify > 0 {
+                                debug!("total txs failed verify: {}", failed_verify);
                             }
-
-                    let verified = if verify_funding_transfer(&client, &tx, to_lamports) {
-                        verified_txs.fetch_add(1, Ordering::Relaxed);
-                        Some(k.pubkey())
-                    } else {
-                        failed_verify.fetch_add(1, Ordering::Relaxed);
-                        None
-                    };
-
-                    let verified_txs = verified_txs.load(Ordering::Relaxed);
-                    let failed_verify = failed_verify.load(Ordering::Relaxed);
-                    let remaining_count = starting_txs.saturating_sub(verified_txs + failed_verify);
-                    if failed_verify > 100 && failed_verify > verified_txs {
-                        too_many_failures.store(true, Ordering::Relaxed);
-                        warn!(
-                            "Too many failed transfers... {} remaining, {} verified, {} failures",
-                            remaining_count, verified_txs, failed_verify
-                        );
-                    }
-                    if remaining_count % 100 == 0 {
                             info!(
-                            "Verifying transfers... {} remaining, {} verified, {} failures",
-                            remaining_count, verified_txs, failed_verify
+                                "Verifying transfers... {} remaining",
+                                starting_txs - verified_txs
                             );
+                            timer = Instant::now();
                         }
-
-                    verified
-                })
-                .collect();
-
-            self.retain(|(k, _)| !verified_set.contains(&k.pubkey()));
-            if self.is_empty() {
+                        let verified = verify_funding_transfer(client, &tx, amount);
+                        if verified {
+                            verified_txs += 1;
+                        } else {
+                            failed_verify += 1;
+                        }
+                        !verified
+                    });
+                    if to_fund_txs.is_empty() {
                         break;
                     }
-            info!("Looping verifications");
-
-            let verified_txs = verified_txs.load(Ordering::Relaxed);
-            let failed_verify = failed_verify.load(Ordering::Relaxed);
-            let remaining_count = starting_txs.saturating_sub(verified_txs + failed_verify);
-            info!(
-                "Verifying transfers... {} remaining, {} verified, {} failures",
-                remaining_count, verified_txs, failed_verify
-            );
+                    debug!("Looping verifications");
+                    info!("Verifying transfers... {} remaining", to_fund_txs.len());
                     sleep(Duration::from_millis(100));
                 }
-    }
-}
+                starting_txs -= to_fund_txs.len();
+                verify_txs.stop();
+                debug!("verified {} txs: {}us", starting_txs, verify_txs.as_us());
 
-/// fund the dests keys by spending all of the source keys into MAX_SPENDS_PER_TX
-/// on every iteration.  This allows us to replay the transfers because the source is either empty,
-/// or full
-pub fn fund_keys<T: 'static + Client + Send + Sync>(
-    client: Arc<T>,
-    source: &Keypair,
-    dests: &[Keypair],
-    total: u64,
-    max_fee: u64,
-    lamports_per_account: u64,
-) {
-    let mut funded: Vec<&Keypair> = vec![source];
-    let mut funded_funds = total;
-    let mut not_funded: Vec<&Keypair> = dests.iter().collect();
-    while !not_funded.is_empty() {
-        // Build to fund list and prepare funding sources for next iteration
-        let mut new_funded: Vec<&Keypair> = vec![];
-        let mut to_fund: Vec<(&Keypair, Vec<(Pubkey, u64)>)> = vec![];
-        let to_lamports = (funded_funds - lamports_per_account - max_fee) / MAX_SPENDS_PER_TX;
-        for f in funded {
-            let start = not_funded.len() - MAX_SPENDS_PER_TX as usize;
-            let dests: Vec<_> = not_funded.drain(start..).collect();
-            let spends: Vec<_> = dests.iter().map(|k| (k.pubkey(), to_lamports)).collect();
-            to_fund.push((f, spends));
-            new_funded.extend(dests.into_iter());
+                // retry anything that seems to have dropped through cracks
+                //  again since these txs are all or nothing, they're fine to
+                //  retry
+                tries += 1;
             }
-
-        // try to transfer a "few" at a time with recent blockhash
-        //  assume 4MB network buffers, and 512 byte packets
-        const FUND_CHUNK_LEN: usize = 4 * 1024 * 1024 / 512;
-
-        to_fund.chunks(FUND_CHUNK_LEN).for_each(|chunk| {
-            Vec::<(&Keypair, Transaction)>::with_capacity(chunk.len()).fund(
-                &client,
-                chunk,
-                to_lamports,
-            );
+            info!("transferred");
         });
-
-        info!("funded: {} left: {}", new_funded.len(), not_funded.len());
+        info!("funded: {} left: {}", new_funded.len(), notfunded.len());
         funded = new_funded;
-        funded_funds = to_lamports;
     }
 }
 
 pub fn airdrop_lamports<T: Client>(
     client: &T,
-    faucet_addr: &SocketAddr,
+    drone_addr: &SocketAddr,
     id: &Keypair,
-    desired_balance: u64,
+    tx_count: u64,
 ) -> Result<()> {
     let starting_balance = client.get_balance(&id.pubkey()).unwrap_or(0);
     metrics_submit_lamport_balance(starting_balance);
     info!("starting balance {}", starting_balance);
 
-    if starting_balance < desired_balance {
-        let airdrop_amount = desired_balance - starting_balance;
+    if starting_balance < tx_count {
+        let airdrop_amount = tx_count - starting_balance;
         info!(
             "Airdropping {:?} lamports from {} for {}",
             airdrop_amount,
-            faucet_addr,
+            drone_addr,
             id.pubkey(),
         );
 
         let (blockhash, _fee_calculator) = get_recent_blockhash(client);
-        match request_airdrop_transaction(&faucet_addr, &id.pubkey(), airdrop_amount, blockhash) {
+        match request_airdrop_transaction(&drone_addr, &id.pubkey(), airdrop_amount, blockhash) {
             Ok(transaction) => {
                 let mut tries = 0;
                 loop {
@@ -742,7 +708,7 @@ pub fn airdrop_lamports<T: Client>(
                     if tries >= 5 {
                         panic!(
                             "Error requesting airdrop: to addr: {:?} amount: {} {:?}",
-                            faucet_addr, airdrop_amount, result
+                            drone_addr, airdrop_amount, result
                         )
                     }
                 }
@@ -750,7 +716,7 @@ pub fn airdrop_lamports<T: Client>(
             Err(err) => {
                 panic!(
                     "Error requesting airdrop: {:?} to addr: {:?} amount: {}",
-                    err, faucet_addr, airdrop_amount
+                    err, drone_addr, airdrop_amount
                 );
             }
         };
@@ -844,6 +810,17 @@ fn compute_and_report_stats(
     );
 }
 
+// First transfer 2/3 of the lamports to the dest accounts
+// then ping-pong 1/3 of the lamports back to the other account
+// this leaves 1/3 lamport buffer in each account
+fn should_switch_directions(num_lamports_per_account: u64, keypair_chunks: u64, i: u64) -> bool {
+    if i < keypair_chunks * (2 * num_lamports_per_account) / 3 {
+        return false;
+    }
+
+    i % (keypair_chunks * num_lamports_per_account / 3) == 0
+}
+
 pub fn generate_keypairs(seed_keypair: &Keypair, count: u64) -> (Vec<Keypair>, u64) {
     let mut seed = [0u8; 32];
     seed.copy_from_slice(&seed_keypair.to_bytes()[..32]);
@@ -1027,25 +1004,23 @@ fn fund_move_keys<T: Client>(
     info!("done funding keys, took {} ms", funding_time.as_ms());
 }
 
-pub fn generate_and_fund_keypairs<T: 'static + Client + Send + Sync>(
-    client: Arc<T>,
-    faucet_addr: Option<SocketAddr>,
+pub fn generate_and_fund_keypairs<T: Client>(
+    client: &T,
+    drone_addr: Option<SocketAddr>,
     funding_key: &Keypair,
     keypair_count: usize,
     lamports_per_account: u64,
     use_move: bool,
-) -> Result<(Vec<Keypair>, Option<LibraKeys>)> {
+) -> Result<(Vec<Keypair>, Option<LibraKeys>, u64)> {
     info!("Creating {} keypairs...", keypair_count);
     let (mut keypairs, extra) = generate_keypairs(funding_key, keypair_count as u64);
     info!("Get lamports...");
 
-    // Sample the first keypair, to prevent lamport loss on repeated solana-bench-tps executions
-    let first_key = keypairs[0].pubkey();
-    let first_keypair_balance = client.get_balance(&first_key).unwrap_or(0);
-
-    // Sample the last keypair, to check if funding was already completed
-    let last_key = keypairs[keypair_count - 1].pubkey();
-    let last_keypair_balance = client.get_balance(&last_key).unwrap_or(0);
+    // Sample the first keypair, see if it has lamports, if so then resume.
+    // This logic is to prevent lamport loss on repeated solana-bench-tps executions
+    let last_keypair_balance = client
+        .get_balance(&keypairs[keypair_count - 1].pubkey())
+        .unwrap_or(0);
 
     #[cfg(feature = "move")]
     let mut move_keypairs_ret = None;
@@ -1053,38 +1028,31 @@ pub fn generate_and_fund_keypairs<T: 'static + Client + Send + Sync>(
     #[cfg(not(feature = "move"))]
     let move_keypairs_ret = None;
 
-    // Repeated runs will eat up keypair balances from transaction fees. In order to quickly
-    //   start another bench-tps run without re-funding all of the keypairs, check if the
-    //   keypairs still have at least 80% of the expected funds. That should be enough to
-    //   pay for the transaction fees in a new run.
-    let enough_lamports = 8 * lamports_per_account / 10;
-    if first_keypair_balance < enough_lamports || last_keypair_balance < enough_lamports {
-        let fee_rate_governor = client.get_fee_rate_governor().unwrap();
-        let max_fee = fee_rate_governor.max_lamports_per_signature;
-        let extra_fees = extra * max_fee;
-        let total_keypairs = keypairs.len() as u64 + 1; // Add one for funding keypair
-        let mut total = lamports_per_account * total_keypairs + extra_fees;
+    if lamports_per_account > last_keypair_balance {
+        let (_blockhash, fee_calculator) = get_recent_blockhash(client);
+        let account_desired_balance =
+            lamports_per_account - last_keypair_balance + fee_calculator.max_lamports_per_signature;
+        let extra_fees = extra * fee_calculator.max_lamports_per_signature;
+        let mut total = account_desired_balance * (1 + keypairs.len() as u64) + extra_fees;
         if use_move {
             total *= 3;
         }
 
-        let funding_key_balance = client.get_balance(&funding_key.pubkey()).unwrap_or(0);
-        info!(
-            "Funding keypair balance: {} max_fee: {} lamports_per_account: {} extra: {} total: {}",
-            funding_key_balance, max_fee, lamports_per_account, extra, total
+        info!("Previous key balance: {} max_fee: {} lamports_per_account: {} extra: {} desired_balance: {} total: {}",
+                 last_keypair_balance, fee_calculator.max_lamports_per_signature, lamports_per_account, extra,
+                 account_desired_balance, total
                  );
 
         if client.get_balance(&funding_key.pubkey()).unwrap_or(0) < total {
-            airdrop_lamports(client.as_ref(), &faucet_addr.unwrap(), funding_key, total)?;
+            airdrop_lamports(client, &drone_addr.unwrap(), funding_key, total)?;
         }
 
         #[cfg(feature = "move")]
         {
             if use_move {
-                let libra_genesis_keypair =
-                    create_genesis(&funding_key, client.as_ref(), 10_000_000);
-                let libra_mint_program_id = upload_mint_script(&funding_key, client.as_ref());
-                let libra_pay_program_id = upload_payment_script(&funding_key, client.as_ref());
+                let libra_genesis_keypair = create_genesis(&funding_key, client, 10_000_000);
+                let libra_mint_program_id = upload_mint_script(&funding_key, client);
+                let libra_pay_program_id = upload_payment_script(&funding_key, client);
 
                 // Generate another set of keypairs for move accounts.
                 // Still fund the solana ones which will be used for fees.
@@ -1092,7 +1060,7 @@ pub fn generate_and_fund_keypairs<T: 'static + Client + Send + Sync>(
                 let mut rnd = GenKeys::new(seed);
                 let move_keypairs = rnd.gen_n_keypairs(keypair_count as u64);
                 fund_move_keys(
-                    client.as_ref(),
+                    client,
                     funding_key,
                     &move_keypairs,
                     total / 3,
@@ -1117,15 +1085,15 @@ pub fn generate_and_fund_keypairs<T: 'static + Client + Send + Sync>(
             funding_key,
             &keypairs,
             total,
-            max_fee,
-            lamports_per_account,
+            fee_calculator.max_lamports_per_signature,
+            extra,
         );
     }
 
     // 'generate_keypairs' generates extra keys to be able to have size-aligned funding batches for fund_keys.
     keypairs.truncate(keypair_count);
 
-    Ok((keypairs, move_keypairs_ret))
+    Ok((keypairs, move_keypairs_ret, last_keypair_balance))
 }
 
 #[cfg(test)]
@@ -1134,14 +1102,33 @@ mod tests {
     use solana_runtime::bank::Bank;
     use solana_runtime::bank_client::BankClient;
     use solana_sdk::client::SyncClient;
-    use solana_sdk::fee_calculator::FeeRateGovernor;
+    use solana_sdk::fee_calculator::FeeCalculator;
     use solana_sdk::genesis_config::create_genesis_config;
 
+    #[test]
+    fn test_switch_directions() {
+        assert_eq!(should_switch_directions(30, 1, 0), false);
+        assert_eq!(should_switch_directions(30, 1, 1), false);
+        assert_eq!(should_switch_directions(30, 1, 20), true);
+        assert_eq!(should_switch_directions(30, 1, 21), false);
+        assert_eq!(should_switch_directions(30, 1, 30), true);
+        assert_eq!(should_switch_directions(30, 1, 90), true);
+        assert_eq!(should_switch_directions(30, 1, 91), false);
+
+        assert_eq!(should_switch_directions(30, 2, 0), false);
+        assert_eq!(should_switch_directions(30, 2, 1), false);
+        assert_eq!(should_switch_directions(30, 2, 20), false);
+        assert_eq!(should_switch_directions(30, 2, 40), true);
+        assert_eq!(should_switch_directions(30, 2, 90), false);
+        assert_eq!(should_switch_directions(30, 2, 100), true);
+        assert_eq!(should_switch_directions(30, 2, 101), false);
+    }
+
     #[test]
     fn test_bench_tps_bank_client() {
         let (genesis_config, id) = create_genesis_config(10_000);
         let bank = Bank::new(&genesis_config);
-        let client = Arc::new(BankClient::new(bank));
+        let clients = vec![BankClient::new(bank)];
 
         let mut config = Config::default();
         config.id = id;
@@ -1149,24 +1136,23 @@ mod tests {
         config.duration = Duration::from_secs(5);
 
         let keypair_count = config.tx_count * config.keypair_multiplier;
-        let (keypairs, _move_keypairs) =
-            generate_and_fund_keypairs(client.clone(), None, &config.id, keypair_count, 20, false)
+        let (keypairs, _move_keypairs, _keypair_balance) =
+            generate_and_fund_keypairs(&clients[0], None, &config.id, keypair_count, 20, false)
                 .unwrap();
 
-        do_bench_tps(client, config, keypairs, None);
+        do_bench_tps(clients, config, keypairs, 0, None);
     }
 
     #[test]
     fn test_bench_tps_fund_keys() {
         let (genesis_config, id) = create_genesis_config(10_000);
         let bank = Bank::new(&genesis_config);
-        let client = Arc::new(BankClient::new(bank));
+        let client = BankClient::new(bank);
         let keypair_count = 20;
         let lamports = 20;
 
-        let (keypairs, _move_keypairs) =
-            generate_and_fund_keypairs(client.clone(), None, &id, keypair_count, lamports, false)
-                .unwrap();
+        let (keypairs, _move_keypairs, _keypair_balance) =
+            generate_and_fund_keypairs(&client, None, &id, keypair_count, lamports, false).unwrap();
 
         for kp in &keypairs {
             assert_eq!(
@@ -1181,19 +1167,26 @@ mod tests {
     #[test]
     fn test_bench_tps_fund_keys_with_fees() {
         let (mut genesis_config, id) = create_genesis_config(10_000);
-        let fee_rate_governor = FeeRateGovernor::new(11, 0);
-        genesis_config.fee_rate_governor = fee_rate_governor;
+        let fee_calculator = FeeCalculator::new(11, 0);
+        genesis_config.fee_calculator = fee_calculator;
         let bank = Bank::new(&genesis_config);
-        let client = Arc::new(BankClient::new(bank));
+        let client = BankClient::new(bank);
         let keypair_count = 20;
         let lamports = 20;
 
-        let (keypairs, _move_keypairs) =
-            generate_and_fund_keypairs(client.clone(), None, &id, keypair_count, lamports, false)
-                .unwrap();
+        let (keypairs, _move_keypairs, _keypair_balance) =
+            generate_and_fund_keypairs(&client, None, &id, keypair_count, lamports, false).unwrap();
 
+        let max_fee = client
+            .get_recent_blockhash_with_commitment(CommitmentConfig::recent())
+            .unwrap()
+            .1
+            .max_lamports_per_signature;
         for kp in &keypairs {
-            assert_eq!(client.get_balance(&kp.pubkey()).unwrap(), lamports);
+            assert_eq!(
+                client.get_balance(&kp.pubkey()).unwrap(),
+                lamports + max_fee
+            );
         }
     }
 }

bench-tps/src/cli.rs

@@ -1,15 +1,15 @@
 use clap::{crate_description, crate_name, App, Arg, ArgMatches};
-use solana_faucet::faucet::FAUCET_PORT;
-use solana_sdk::fee_calculator::FeeRateGovernor;
-use solana_sdk::signature::{read_keypair_file, Keypair};
+use solana_drone::drone::DRONE_PORT;
+use solana_sdk::fee_calculator::FeeCalculator;
+use solana_sdk::signature::{read_keypair_file, Keypair, KeypairUtil};
 use std::{net::SocketAddr, process::exit, time::Duration};
 
-const NUM_LAMPORTS_PER_ACCOUNT_DEFAULT: u64 = solana_sdk::native_token::LAMPORTS_PER_SOL;
+const NUM_LAMPORTS_PER_ACCOUNT_DEFAULT: u64 = solana_sdk::native_token::SOL_LAMPORTS;
 
 /// 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,
@@ -31,7 +31,7 @@ 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,
@@ -43,7 +43,7 @@ impl Default for Config {
             client_ids_and_stake_file: String::new(),
             write_to_client_file: false,
             read_from_client_file: false,
-            target_lamports_per_signature: FeeRateGovernor::default().target_lamports_per_signature,
+            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,
@@ -64,12 +64,12 @@ 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")
@@ -189,9 +189,9 @@ pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
         });
     }
 
-    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_net_utils::parse_host_port(addr).unwrap_or_else(|e| {
+            eprintln!("failed to parse drone address: {}", e);
             exit(1)
         });
     }

bench-tps/src/main.rs

@@ -3,16 +3,16 @@ use solana_bench_tps::bench::{do_bench_tps, generate_and_fund_keypairs, generate
 use solana_bench_tps::cli;
 use solana_core::gossip_service::{discover_cluster, get_client, get_multi_client};
 use solana_genesis::Base64Account;
-use solana_sdk::fee_calculator::FeeRateGovernor;
-use solana_sdk::signature::{Keypair, Signer};
+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, fs::File, io::prelude::*, path::Path, 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;
 
 fn main() {
-    solana_logger::setup_with_default("solana=info");
+    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();
@@ -20,7 +20,7 @@ fn main() {
 
     let cli::Config {
         entrypoint_addr,
-        faucet_addr,
+        drone_addr,
         id,
         num_nodes,
         tx_count,
@@ -41,7 +41,7 @@ fn main() {
         let (keypairs, _) = generate_keypairs(&id, keypair_count as u64);
         let num_accounts = keypairs.len() as u64;
         let max_fee =
-            FeeRateGovernor::new(*target_lamports_per_signature, 0).max_lamports_per_signature;
+            FeeCalculator::new(*target_lamports_per_signature, 0).max_lamports_per_signature;
         let num_lamports_per_account = (num_accounts - 1 + NUM_SIGNATURES_FOR_TXS * max_fee)
             / num_accounts
             + num_lamports_per_account;
@@ -82,12 +82,12 @@ fn main() {
             );
             exit(1);
         }
-        Arc::new(client)
+        client
     } else {
-        Arc::new(get_client(&nodes))
+        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();
 
@@ -117,11 +117,11 @@ fn main() {
         // 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,
             *num_lamports_per_account,
@@ -133,5 +133,11 @@ fn main() {
         })
     };
 
-    do_bench_tps(client, cli_config, keypairs, move_keypairs);
+    do_bench_tps(
+        vec![client],
+        cli_config,
+        keypairs,
+        keypair_balance,
+        move_keypairs,
+    );
 }

bench-tps/tests/bench_tps.rs

@@ -4,12 +4,12 @@ use solana_bench_tps::cli::Config;
 use solana_client::thin_client::create_client;
 use solana_core::cluster_info::VALIDATOR_PORT_RANGE;
 use solana_core::validator::ValidatorConfig;
-use solana_faucet::faucet::run_local_faucet;
+use solana_drone::drone::run_local_drone;
 use solana_local_cluster::local_cluster::{ClusterConfig, LocalCluster};
 #[cfg(feature = "move")]
 use solana_sdk::move_loader::solana_move_loader_program;
-use solana_sdk::signature::{Keypair, Signer};
-use std::sync::{mpsc::channel, Arc};
+use solana_sdk::signature::{Keypair, KeypairUtil};
+use std::sync::mpsc::channel;
 use std::time::Duration;
 
 fn test_bench_tps_local_cluster(config: Config) {
@@ -29,28 +29,28 @@ fn test_bench_tps_local_cluster(config: Config) {
         ..ClusterConfig::default()
     });
 
-    let faucet_keypair = Keypair::new();
+    let drone_keypair = Keypair::new();
     cluster.transfer(
         &cluster.funding_keypair,
-        &faucet_keypair.pubkey(),
+        &drone_keypair.pubkey(),
         100_000_000,
     );
 
-    let client = Arc::new(create_client(
+    let client = create_client(
         (cluster.entry_point_info.rpc, cluster.entry_point_info.tpu),
         VALIDATOR_PORT_RANGE,
-    ));
+    );
 
     let (addr_sender, addr_receiver) = channel();
-    run_local_faucet(faucet_keypair, addr_sender, None);
-    let faucet_addr = addr_receiver.recv_timeout(Duration::from_secs(2)).unwrap();
+    run_local_drone(drone_keypair, addr_sender, None);
+    let drone_addr = addr_receiver.recv_timeout(Duration::from_secs(2)).unwrap();
 
     let lamports_per_account = 100;
 
     let keypair_count = config.tx_count * config.keypair_multiplier;
-    let (keypairs, move_keypairs) = generate_and_fund_keypairs(
-        client.clone(),
-        Some(faucet_addr),
+    let (keypairs, move_keypairs, _keypair_balance) = generate_and_fund_keypairs(
+        &client,
+        Some(drone_addr),
         &config.id,
         keypair_count,
         lamports_per_account,
@@ -58,7 +58,7 @@ fn test_bench_tps_local_cluster(config: Config) {
     )
     .unwrap();
 
-    let _total = do_bench_tps(client, config, keypairs, move_keypairs);
+    let _total = do_bench_tps(vec![client], config, keypairs, 0, move_keypairs);
 
     #[cfg(not(debug_assertions))]
     assert!(_total > 100);

book/README.md

@@ -1,7 +1,7 @@
 Building the Solana book
 ---
 
-Install dependencies, build, and test the docs:
+Install the book's dependnecies, build, and test the book:
 
 ```bash
 $ ./build.sh
@@ -19,7 +19,7 @@ Render markdown as HTML:
 $ make build
 ```
 
-Render and view the docs:
+Render and view the book:
 
 ```bash
 $ make open

book/art/passive-staking-callflow.msc

@@ -24,7 +24,7 @@ msc {
   ... ;
   Validator abox Validator [label="\nmax\nlockout\n"];
        |||;
-  Cluster box Cluster [label="credits redeemed (at epoch)"];
-
+  StakerX => Cluster [label="StakeState::RedeemCredits()"];
+  StakerY => Cluster [label="StakeState::RedeemCredits()"] ;
 
 }

book/art/spv-bank-merkle.bob

@@ -0,0 +1,18 @@
+                             +------------+
+                             | Bank-Merkle|
+                             +------------+
+                                ^      ^
+                               /        \
+               +-----------------+    +-------------+
+               | Bank-Diff-Merkle|    | Block-Merkle|
+               +-----------------+    +-------------+
+                     ^     ^
+                    /       \
+               +------+   +--------------------------+
+               | Hash |   | Previous Bank-Diff-Merkle|
+               +------+   +--------------------------+
+               ^      ^
+              /        \
+ +---------------+   +---------------+
+ | Hash(Account1)|   | Hash(Account2)|
+ +---------------+   +---------------+

book/art/validator.bob

@@ -18,9 +18,9 @@
       |      | `-------`  `--------` `--+---------`  | |  |            |  |
       |      |     ^              ^     |            | |  `------------`  |
       |      |     |              |     v            | |                  |
-      |      |     |           .--+---------.        | |                  |
-      |      |     |           | Blockstore |        | |                  |
-      |      |     |           `------------`        | |  .------------.  |
+      |      |     |           .--+--------.         | |                  |
+      |      |     |           | Blocktree |         | |                  |
+      |      |     |           `-----------`         | |  .------------.  |
       |      |     |                ^                | |  |            |  |
       |      |     |                |                | |  | Downstream |  |
       |      |  .--+--.     .-------+---.            | |  | Validators |  |

book/build-cli-usage.sh

@@ -3,13 +3,11 @@ set -e
 
 cd "$(dirname "$0")"
 
-: "${rust_stable:=}" # Pacify shellcheck
+usage=$(cargo -q run -p solana-cli -- -C ~/.foo --help | sed 's|'"$HOME"'|~|g')
 
-usage=$(cargo +"$rust_stable" -q run -p solana-cli -- -C ~/.foo --help | sed -e 's|'"$HOME"'|~|g' -e 's/[[:space:]]\+$//')
+out=${1:-src/api-reference/cli.md}
 
-out=${1:-src/cli/usage.md}
-
-cat src/cli/.usage.md.header > "$out"
+cat src/api-reference/.cli.md > "$out"
 
 section() {
   declare mark=${2:-"###"}
@@ -31,6 +29,6 @@ in_subcommands=0
 while read -r subcommand rest; do
   [[ $subcommand == "SUBCOMMANDS:" ]] && in_subcommands=1 && continue
   if ((in_subcommands)); then
-      section "$(cargo +"$rust_stable" -q run -p solana-cli -- help "$subcommand" | sed 's|'"$HOME"'|~|g')" "####" >> "$out"
+      section "$(cargo -q run -p solana-cli -- help "$subcommand" | sed 's|'"$HOME"'|~|g')" "####" >> "$out"
   fi
 done <<<"$usage">>"$out"

book/build-svg.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$0")"
+
+make -j"$(nproc)" -B svg
+
+#TODO figure out why book wants to change, but local and CI differ
+exit 0
+if [[ -n $CI ]]; then
+  # In CI confirm that no svgs need to be built
+  git diff --exit-code
+fi

book/build.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$0")"
+
+make -j"$(nproc)" test

book/makefile

@@ -1,6 +1,6 @@
 BOB_SRCS=$(wildcard art/*.bob)
 MSC_SRCS=$(wildcard art/*.msc)
-MD_SRCS=$(wildcard src/*.md src/*/*.md)
+MD_SRCS=$(wildcard src/*.md)
 
 SVG_IMGS=$(BOB_SRCS:art/%.bob=src/.gitbook/assets/%.svg) $(MSC_SRCS:art/%.msc=src/.gitbook/assets/%.svg)
 
@@ -8,7 +8,6 @@ TARGET=html/index.html
 TEST_STAMP=src/tests.ok
 
 all: $(TARGET)
-	./set-solana-release-tag.sh
 
 svg: $(SVG_IMGS)
 

book/src/.gitbook/assets/data-plane (1).svg

@@ -0,0 +1,192 @@
+<svg class="bob" font-family="arial" font-size="14" height="288" width="736" 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="288" width="736" x="0" y="0"/>
+<g>
+<line x1="4" x2="4" y1="216" y2="280"/>
+<line x1="4" x2="156" y1="216" y2="216"/>
+<line x1="4" x2="172" y1="280" y2="280"/>
+<line x1="156" x2="172" y1="216" y2="216"/>
+<line x1="172" x2="172" y1="216" y2="280"/>
+</g>
+<g>
+<line x1="124" x2="124" y1="104" y2="168"/>
+<line x1="124" x2="204" y1="104" y2="104"/>
+<line x1="124" x2="156" y1="168" y2="168"/>
+<line marker-end="url(#triangle)" x1="156" x2="156" y1="168" y2="204"/>
+<line x1="156" x2="204" y1="168" y2="168"/>
+<line x1="204" x2="292" y1="104" y2="104"/>
+<line marker-end="url(#triangle)" x1="204" x2="204" y1="168" y2="204"/>
+<line x1="204" x2="292" y1="168" y2="168"/>
+<line x1="292" x2="292" y1="104" y2="168"/>
+</g>
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