Use the same signature threshold used in bsc parlia consensus (#712)

Author: Wizdave97

.gitignore

@@ -12,6 +12,7 @@ dist/
 /pallet-ismp/evm/solidity/cache
 .env*
 .vscode
+.cursor
 
 evm/out/
 evm/cache/

Cargo.lock

@@ -132,7 +132,7 @@ async fn verify_bsc_pos_headers() {
 
 			// Skip blocks without enough participants (2/3 + 1 threshold)
 			let participant_count = validators_bit_set.iter().as_bitslice().count_ones();
-			let required_participants = (2 * validator_set_for_check.len() / 3) + 1;
+			let required_participants = (2 * validator_set_for_check.len() / 3);
 			if participant_count < required_participants {
 				println!(
 					"Not enough participants in bsc update for block {} ({}/{}), skipping",

modules/consensus/bsc/prover/src/test.rs

@@ -64,9 +64,9 @@ pub fn verify_bsc_header<H: Keccak256, C: Config>(
 	)
 	.map_err(|_| anyhow!("Could not deseerialize vote address set"))?;
 
-	if validators_bit_set.iter().as_bitslice().count_ones() <
-		((2 * current_validators.len() / 3) + 1)
-	{
+	// We have to use the same threshold specified in the bsc parlia consensus which is 2/3
+	// https://github.com/bnb-chain/bsc/blob/da35ee13e2fe38efaeab2d6fb27f112332459b50/consensus/parlia/parlia.go#L557
+	if validators_bit_set.iter().as_bitslice().count_ones() < ((2 * current_validators.len()) / 3) {
 		Err(anyhow!("Not enough participants"))?
 	}
 

modules/consensus/bsc/verifier/src/lib.rs

@@ -238,7 +238,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: Cow::Borrowed("gargantua"),
 	impl_name: Cow::Borrowed("gargantua"),
 	authoring_version: 1,
-	spec_version: 5_000,
+	spec_version: 5_100,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,

parachain/runtimes/gargantua/src/lib.rs

@@ -227,7 +227,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: Cow::Borrowed("nexus"),
 	impl_name: Cow::Borrowed("nexus"),
 	authoring_version: 1,
-	spec_version: 6_500,
+	spec_version: 6_600,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,

parachain/runtimes/nexus/src/lib.rs

@@ -1,6 +1,6 @@
 [package]
 name = "tesseract-consensus"
-version = "1.6.3"
+version = "1.6.4"
 edition = "2021"
 
 [lib]