absolutebi/serai
1
0
Fork 0
mirror of https://github.com/serai-dex/serai.git synced 2025-12-08 20:29:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix tendermint distinct precommit bug (#517)

Browse Source 
* fix tendermint distinct precommit bug

* remove conflicting precommit error
This commit is contained in:
akildemir
2024-02-08 21:47:37 +03:00
committed by GitHub
parent aaff74575f
commit 347d4cf413
4 changed files with 3 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
coordinator/tributary/tendermint/src/lib.rs
View File

@@ -136,7 +136,6 @@ pub enum SlashReason {
#[derive(Clone, PartialEq, Eq, Debug, Encode, Decode)]
pub enum Evidence {
ConflictingMessages(Vec<u8>, Vec<u8>),
ConflictingPrecommit(Vec<u8>, Vec<u8>),
InvalidPrecommit(Vec<u8>),
InvalidValidRound(Vec<u8>),
}
@@ -179,30 +178,6 @@ pub fn verify_tendermint_evience<N: Network>(
Err(TendermintError::InvalidEvidence)?;
}
}
Evidence::ConflictingPrecommit(first, second) => {
let first = decode_and_verify_signed_message::<N>(first, schema)?.msg;
let second = decode_and_verify_signed_message::<N>(second, schema)?.msg;
if (first.sender != second.sender) || (first.block != second.block) {
Err(TendermintError::InvalidEvidence)?;
}
// check whether messages are precommits to different blocks
// The inner signatures don't need to be verified since the outer signatures were
// While the inner signatures may be invalid, that would've yielded a invalid precommit
// signature slash instead of distinct precommit slash
if let Data::Precommit(Some((h1, _))) = first.data {
if let Data::Precommit(Some((h2, _))) = second.data {
if h1 == h2 {
Err(TendermintError::InvalidEvidence)?;
}
return Ok(());
}
}
// No fault identified
Err(TendermintError::InvalidEvidence)?;
}
Evidence::InvalidPrecommit(msg) => {
let msg = decode_and_verify_signed_message::<N>(msg, schema)?.msg;