Merge pull request #46 from bobanetwork/fix-basefee-for-pre-bedrock

Return zero base fee for the pre bedrock block
bobanetwork · Oct 17, 2023 · 354888f · 354888f
2 parents 9946e98 + 31b343f
commit 354888f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/consensus/misc/eip1559.go b/consensus/misc/eip1559.go
@@ -60,6 +60,11 @@ func VerifyEip1559Header(config *chain.Config, parent, header *types.Header, ski
 
 // CalcBaseFee calculates the basefee of the header.
 func CalcBaseFee(config *chain.Config, parent *types.Header) *big.Int {
+	// If the current block is pre bedrock, return 0.
+	if config.IsOptimismPreBedrock(parent.Number.Uint64()) {
+		return common.Big0
+	}
+
 	// If the current block is the first EIP-1559 block, return the InitialBaseFee.
 	if !config.IsLondon(parent.Number.Uint64()) {
 		return new(big.Int).SetUint64(params.InitialBaseFee)