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Author SHA1 Message Date
Luke Parker
385ed2e97a Build no-std tests with RISC-V 32 IMAC 
Turns out wasm still has std, making it suboptimal to use here.
 2023-06-28 12:26:53 -04:00
Luke Parker
fca567f61d cargo update 
Resolves an openssl advisory and nets ~-8 crates.
 2023-06-22 06:25:33 -04:00
Luke Parker
dfa3106a38 Fix incorrect sig_hash generation 
sig_hash was used as a challenge. challenges should be of the form H(R, A, m).
These sig hashes were solely H(A, m), allowing trivial forgeries.
 2023-06-08 06:38:25 -04:00
Luke Parker
c6982b5dfc Ensure canonical points in the cross-group DLEq proof 2023-05-30 22:05:52 -04:00
Luke Parker
1aa293cc4a Fix for prior commit 2023-05-27 04:15:57 -04:00
Luke Parker
8a24fc39a6 Only scan v2 Monero TXs 2023-05-27 04:13:40 -04:00
Luke Parker
40b2920412 Remove signed Substrate TXs from Coordinator 2023-05-13 22:43:13 -04:00
Luke Parker
47f8766da6 Use proper messages for ValidatorSets/InInstructions pallet 
Provides a DST, and associated metadata as beneficial.

Also utilizes MuSig's context to session-bind. Since set_keys_messages also
binds to set, this is semi-redundant, yet that's appreciated.
 2023-05-13 04:40:16 -04:00
Luke Parker
663b5f4b50 Add a context to MuSig key aggregation 2023-05-13 04:04:14 -04:00
Luke Parker
227176e4b8 Correct various no_std definitions 2023-05-13 04:03:56 -04:00
Luke Parker
f069567f12 Use a MuSig signature to publish validator set key pairs to Serai 
The processor/coordinator flow still has to be rewritten.
 2023-05-13 02:15:41 -04:00
Luke Parker
84c2d73093 Do the minimal amount of work for dkg to compile under no-std 
The Substrate runtime requires access to the MuSig key aggregation function.

\#279 related.
 2023-05-12 23:25:17 -04:00
Luke Parker
4d50b6892c Add a dedicated function to get a MuSig key 2023-05-11 03:21:54 -04:00
Luke Parker
3eade48a6f cargo update 
Resolves a yanked crate and removes some duplicated dependencies.
 2023-05-10 07:34:07 -04:00
Luke Parker
89974c529a Correct 2/3rds definitions throughout the codebase 
The prior formula failed for some values, such as 20.
20 / 3 = 6, * 2 = 12, + 1 = 13. 13 is 65%, not >= 67.
 2023-05-10 06:29:21 -04:00
Luke Parker
ffea02dfbf Implement MuSig key aggregation into DKG 
Isn't spec compliant due to the lack of a spec to be compliant too.

Slight deviation from the paper by using a unique list instead of a multiset.

Closes #186, progresses #277.
 2023-05-10 06:25:40 -04:00
Luke Parker
f55e9b40e6 Have coordinator publish batches to Substrate 2023-05-10 01:46:20 -04:00
Luke Parker
a70df6a449 Remove TODO about code de-duplication 
It's infeasible to write a macro/function there. Does add a type alias which
makes things cleaner.
 2023-05-10 01:19:01 -04:00
Luke Parker
168f2899f0 Create a vote transaction upon GeneratedKeyPair 2023-05-10 00:46:51 -04:00
Luke Parker
c95bdb6752 Properly get genesis for a Processor message 2023-05-09 23:51:05 -04:00
Luke Parker
88f0e89350 Ensure Tributary commits are minimal 2023-05-09 23:45:05 -04:00
Luke Parker
7b7ddbdd97 Move the coordinator to a n-processor design 2023-05-09 23:44:41 -04:00
Luke Parker
9175383e89 Spawn a new async task for each block message 
This probably should be done with n-long lived tasks, one per Tributary. While
this may not be suitably performant long-term (potential DoS vector), this at
least resolves the halting concerns.
 2023-05-09 17:05:33 -04:00
Luke Parker
029b6c53a1 Use U448 for Ed448 instead of U512 2023-05-09 04:12:13 -04:00
Luke Parker
219adc7657 Rename uid to intent 2023-05-08 22:21:41 -04:00
Luke Parker
964fdee175 Publish ExternablBlock/SubstrateBlock, delay *Preprocess until ID acknowledged 
Adds a channel for the Tributary scanner to communicate when an ID has been
acknowledged.
 2023-05-08 22:20:51 -04:00
Luke Parker
a7f2740dfb Correct Serai Dockerfile 2023-05-08 02:08:31 -04:00
Luke Parker
0c9c1aeff1 Correct processor's handling of the new Monero RPC code 2023-05-02 03:40:49 -04:00
Luke Parker
adfbde6e24 Support arbitrary RPC providers in monero-serai 
Sets a clean path for no-std premised RPCs (buffers to an external RPC impl)/
Tor-based RPCs/client-side load balancing/...
 2023-05-02 02:39:08 -04:00
Luke Parker
5765d1d278 Update to May's nightly 
Doesn't use the PR due to the needed changes.
 2023-05-01 04:58:50 -04:00
Luke Parker
78c00bde3d Correct error message in ff-group-tests 2023-05-01 03:18:11 -04:00
Luke Parker
c0001f5ff2 Update to substrate polkadot-v0.9.42 2023-05-01 03:17:37 -04:00
Luke Parker
6032af6692 Have Coordinator MainDb take a mutable borrow 2023-04-26 00:10:06 -04:00
Luke Parker
7824b6cb8b Document the processor/tributary/coordinator/serai flow 2023-04-25 15:05:58 -04:00
Luke Parker
78d5372fb7 Initial code to handle messages from processors 2023-04-25 03:14:42 -04:00
Luke Parker
cc531d630e Add a UID function to messages 
When we receive messages, we're provided with a message ID we can use to
prevent handling an item multiple times. That doesn't prevent us from *sending*
an item multiple times though. Thanks to the UID system, we can now not send if
already present.

Alternatively, we can remove the ordered message ID for just the UID, allowing
duplicates to be sent without issue, and handled on the receiving end.
 2023-04-25 02:46:18 -04:00
Luke Parker
09d96822ca Document a pair of panics requiring 256 GB of RAM/4 GB of a context 2023-04-24 23:49:06 -04:00
Luke Parker
7a8f8c2d3d Document panic in FROST 2023-04-24 23:19:23 -04:00
Luke Parker
e74b4ab94f Add a TributaryReader which doesn't require a borrow to operate 
Reduces lock contention.

Additionally changes block_key to include the genesis. While not technically
needed, the lack of genesis introduced a side effect where any Tributary on the
the database could return the block of any other Tributary. While that wasn't a
security issue, returning it suggested it was on-chain when it wasn't. This may
have been usable to create issues.
 2023-04-24 07:02:00 -04:00
Luke Parker
e0820759c0 Tweak tests workflow 2023-04-24 06:16:43 -04:00
Luke Parker
2feebe536e Test handle_p2p and Tributary syncing 
Includes bug fixes.
 2023-04-24 03:30:19 -04:00
Luke Parker
cc491ee1e1 Don't return from sync_block until the Tendermint machine returns if it's valid or not 
We had a race condition where'd we be informed of blocks 1 .. 3, and
immediately add 1 .. 3. Because we immediately tried to add 2 after 1, it'd
fail since the tip was still the genesis, yet 2 needs the tip to be 1.

Adding a channel, while ugly, was the simplest way to accomplish this.

Also has any added block be broadcasted. Else there's a race condition where a
node which syncs up to the most recent block does so, yet fails to add the next
block when it's committed to.
 2023-04-24 02:46:13 -04:00
Luke Parker
14388e746c Implement Tributary syncing 
Also adds a forwards-lookup to the Tributary blockchain.
 2023-04-24 00:53:18 -04:00
Luke Parker
215155f84b Remove reliance on a blockchain read lock from block/commit 2023-04-23 23:51:10 -04:00
Luke Parker
c476f9b640 Break coordinator main into multiple functions 
Also moves from std::sync::RwLock to tokio::sync::RwLock to prevent wasting
cycles on spinning.
 2023-04-23 23:15:15 -04:00
Luke Parker
be8c25aef0 Move json word lists to rs 
Allows building the seed code without serde_json.
 2023-04-23 22:26:05 -04:00
Luke Parker
fb296a9c2e cargo update 2023-04-23 19:21:24 -04:00
Luke Parker
aa0ec4ac41 cargo fmt 2023-04-23 18:56:48 -04:00
Luke Parker
05b1fc5f05 Send a heartbeat message when a Tributary falls behind 2023-04-23 18:55:43 -04:00
Luke Parker
72633d6421 Clarify Arc RwLocks and sleeps in coordinator 2023-04-23 18:29:50 -04:00