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Author SHA1 Message Date
Greg Fitzgerald
74ebaf1744
Merge pull request #40 from garious/add-logger 
Add logger
 2018-03-03 14:37:15 -07:00
Greg Fitzgerald
f7496ea6d1 Make create_logger a static method 
Allows us to share the super long type signature in impl.
 2018-03-03 14:26:59 -07:00
Greg Fitzgerald
bebba7dc1f Give logger its own crate 2018-03-03 14:24:32 -07:00
Greg Fitzgerald
afb2bf442c Use Instant instead of SystemTime for more precise ticking 
And convert log_event from function to method
 2018-03-03 14:08:53 -07:00
Greg Fitzgerald
c7de48c982 Convert log_events from function to method 2018-03-03 14:00:37 -07:00
Greg Fitzgerald
f906112c03 Move logging thread's state into a struct 2018-03-03 13:52:57 -07:00
Greg Fitzgerald
8ef864fb39
Merge pull request #37 from garious/split-benchmark 
Split benchmark
 2018-03-03 12:13:54 -07:00
Greg Fitzgerald
1c9b5ab53c Report performance of signature verification too 2018-03-03 11:59:34 -07:00
Greg Fitzgerald
c10faae3b5 More readable metrics 2018-03-03 11:52:50 -07:00
Greg Fitzgerald
2104dd5a0a Fix benchmark 
Was measuring the creation of the iterator, not running it.
 2018-03-03 11:45:23 -07:00
Greg Fitzgerald
fbe64037db
Merge pull request #35 from garious/split-benchmark 
Move key generation and signing from transaction benchmark
 2018-03-03 11:25:58 -07:00
Greg Fitzgerald
d8c50b150c Move key generation and signing from transaction benchmark 
Key generation, signing and verification are not the performance
bottleneck. Something is probably wrong here.
 2018-03-03 11:11:46 -07:00
Greg Fitzgerald
8871bb2d8e
Merge pull request #30 from garious/simplify 
Unify Claim and Transaction handling
 2018-03-02 12:24:44 -07:00
Greg Fitzgerald
a148454376 Update readme 2018-03-02 12:07:05 -07:00
Greg Fitzgerald
be518b569b Remove cyclic dependency between event and log 2018-03-02 12:03:59 -07:00
Greg Fitzgerald
c998fbe2ae Sign the owner's public key 
Without this, the accountant will reject transfers from different
entities if they are for the same amount and to the same entity.
 2018-03-02 11:56:42 -07:00
Greg Fitzgerald
9f12cd0c09 Purge the Claim event type 
It's now represented as a Transaction from an unknown party.
 2018-03-02 11:48:58 -07:00
Greg Fitzgerald
0d0fee1ca1 Sign Claim's 'to' field 
Otherwise, the accountant will treat deposits of the same amount as
duplicates.
 2018-03-02 11:46:22 -07:00
Greg Fitzgerald
a0410c4677 Pipe all Claim constructors through a function 2018-03-02 10:58:43 -07:00
Greg Fitzgerald
8fe464cfa3 Rename Claim's key field to match same field in Transaction 2018-03-02 10:47:21 -07:00
Greg Fitzgerald
3e2d6d9e8b Generalize Transaction to express a Claim 
If a Transaction doesn't have an existing address, it's being used
to create new funds.
 2018-03-02 10:41:15 -07:00
Greg Fitzgerald
32d677787b Reduce transactions sent by demo 
We don't do retries yet, so keep tx count to something that won't
trigger any packet loss.
 2018-03-02 10:35:38 -07:00
Greg Fitzgerald
dfd1c4eab3 Don't process transaction if channel.send() fails. 
Do all input validation first, then log (which can fail). If all
goes swimmingly, process the transaction.
 2018-03-02 10:17:52 -07:00
Greg Fitzgerald
36bb1f989d More defense against a double-spend attack 
Before this change, a client could spend funds before the accountant
processed a previous spend. With this change in place, the accountant
updates balances immediately, but that comes at an architectural cost.
The accountant now verifies signatures on behalf of the historian, so
that it can ensure logging will not fail.
 2018-03-02 09:55:44 -07:00
Greg Fitzgerald
684f4c59e0 Delete commented out code 
accountant crate shouldn't verify the log. Instead, it should
only add valid entries and leave verification to network nodes.
 2018-03-02 08:51:29 -07:00
Greg Fitzgerald
1b77e8a69a Move Event into its own crate 
The log crate was starting to be the catch-all for all things
related to entries, events, signatures, and hashes. This split
shows us that:

* Event depends only on signatures, not on hashes [directly]
* All event testing was done via log testing (shame on me)
* Accounting depends only on events
 2018-03-02 08:43:57 -07:00
Greg Fitzgerald
662e10c3e0
Merge pull request #29 from garious/simplify 
Remove Discovery event
 2018-03-01 18:53:25 -07:00
Greg Fitzgerald
c935fdb12f Move signature duplicate detection into the historian 2018-03-01 17:44:10 -07:00
Greg Fitzgerald
9e16937914 Delete the Discovery event 
Not useful to the accountant.
 2018-03-01 17:02:41 -07:00
Greg Fitzgerald
f705202381 No need to hash data that's already hashed to create the signature 2018-03-01 16:39:09 -07:00
Greg Fitzgerald
f5532ad9f7
Merge pull request #28 from garious/go-udp 
Switch to UDP
 2018-03-01 14:25:20 -07:00
Greg Fitzgerald
570e71f050 Check for duplicate signatures 
TODO: have client add recent hash to each message
 2018-03-01 14:07:39 -07:00
Greg Fitzgerald
c9cc4b4369 Switch to UDP from TCP 
And remove all the sleep()'ing around.
 2018-03-01 13:47:53 -07:00
Greg Fitzgerald
7111aa3b18
Copy disclaimer from the loom repository 
Per @aeyakovenko, added Loom's disclaimer.
 2018-03-01 09:16:39 -07:00
Greg Fitzgerald
12eba4bcc7
Merge pull request #26 from garious/add-accountant 
Add testnode and client-demo
v0.3.0 		2018-02-28 19:48:05 -07:00
Greg Fitzgerald
4610de8fdd Switch to sync_channel to preserve order 2018-02-28 19:33:28 -07:00
Greg Fitzgerald
3fcc2dd944 Add testnode 
Fixes #20
 2018-02-28 18:05:20 -07:00
Greg Fitzgerald
8299bae2d4 Add accountant stub 2018-02-28 16:01:12 -07:00
Greg Fitzgerald
604ccf7552 Add network interface for accountant 2018-02-28 14:00:04 -07:00
Greg Fitzgerald
f3dd47948a
Merge pull request #25 from garious/verify-historian-input 
Verify event signatures before adding log entries
 2018-02-28 10:34:10 -07:00
Greg Fitzgerald
c3bb207488 Verify event signatures before adding log entries 2018-02-28 10:23:01 -07:00
Greg Fitzgerald
9009d1bfb3
Merge pull request #24 from garious/add-accountant 
Add accountant
 2018-02-27 11:41:40 -07:00
Greg Fitzgerald
fa4d9e8bcb Add more tests 2018-02-27 11:28:10 -07:00
Greg Fitzgerald
34b77efc87 Sleep longer for TravisCI 2018-02-27 11:08:28 -07:00
Greg Fitzgerald
5ca0ccbcd2 Add accountant 2018-02-27 10:54:06 -07:00
Greg Fitzgerald
6aa4e52480
Merge pull request #23 from garious/add-transaction 
Generalize the event log
 2018-02-26 17:40:55 -07:00
Greg Fitzgerald
f98e9a2ad7 Fix overuse of search-and-replace 2018-02-26 17:03:50 -07:00
Greg Fitzgerald
c6134cc25b Allow the historian to track ownership of any type of data 2018-02-26 17:01:22 -07:00
Greg Fitzgerald
0443b39264 Allow event log to hold events of any serializable (hashable) type 2018-02-26 16:42:31 -07:00
Greg Fitzgerald
8b0b8efbcb Allow Entry to hold events of any kind of data 2018-02-26 15:37:33 -07:00