consensus/parlia: micro adjust initial back off time

bnb-chain · Jan 23, 2025 · 278aae7 · 278aae7
1 parent 085051b
commit 278aae7
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/consensus/parlia/parlia.go b/consensus/parlia/parlia.go
@@ -68,8 +68,8 @@ const (
 	validatorBytesLength            = common.AddressLength + types.BLSPublicKeyLength
 	validatorNumberSize             = 1 // Fixed number of extra prefix bytes reserved for validator number after Luban
 
-	wiggleTime         = uint64(1000) // milliseconds, Random delay (per signer) to allow concurrent signers
-	initialBackOffTime = uint64(1000) // milliseconds
+	wiggleTime                = uint64(1000) // milliseconds, Random delay (per signer) to allow concurrent signers
+	defaultInitialBackOffTime = uint64(1000) // milliseconds, Backoff time for the second validator permitted to produce blocks
 
 	systemRewardPercent = 4 // it means 1/2^4 = 1/16 percentage of gas fee incoming will be distributed to system
 
@@ -2097,7 +2097,10 @@ func (p *Parlia) backOffTime(snap *Snapshot, header *types.Header, val common.Ad
 		log.Debug("backOffTime", "blockNumber", header.Number, "in turn validator", val)
 		return 0
 	} else {
-		delay := initialBackOffTime
+		delay := defaultInitialBackOffTime
+		if p.chainConfig.IsLorentz(header.Number, header.Time) && snap.lastBlockInOneTurn(header.Number.Uint64()) {
+			delay = uint64(snap.BlockInterval) / 2
+		}
 		validators := snap.validators()
 		if p.chainConfig.IsPlanck(header.Number) {
 			counts := snap.countRecents()

diff --git a/consensus/parlia/parlia_test.go b/consensus/parlia/parlia_test.go
@@ -178,7 +178,7 @@ func producerBlockDelay(candidates map[int]bool, height, numOfValidators int) (i
 			minCandidate = c
 		}
 	}
-	delay := initialBackOffTime + uint64(minDelay)*wiggleTime
+	delay := defaultInitialBackOffTime + uint64(minDelay)*wiggleTime
 	return minCandidate, delay
 }