fix(ante): respect NoBaseFee params in DynamicFeeChecker (#748)

Author: Pitasi

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 ### DEPENDENCIES
 
+### IMPROVEMENTS
+
+### FEATURES
+
+### BUG FIXES
+
+- [\#748](https://github.com/cosmos/evm/pull/748) Fix DynamicFeeChecker in Cosmos ante handler to respect NoBaseFee feemarkets' parameter.
+
+## v0.5.0
+
+### DEPENDENCIES
+
 ### BUG FIXES
 
 - [\#471](https://github.com/cosmos/evm/pull/471) Notify new block for mempool in time

ante/evm/fee_checker.go

@@ -58,10 +58,9 @@ func FeeChecker(
 	}
 
 	baseFee := feemarketParams.BaseFee
-	// if baseFee is nil because it is disabled
-	// or not found, consider it as 0
+	// if baseFee is not enabled, consider it 0
 	// so the DynamicFeeTx logic can be applied
-	if baseFee.IsNil() {
+	if baseFee.IsNil() || !feemarketParams.IsBaseFeeEnabled(ctx.BlockHeight()) {
 		baseFee = sdkmath.LegacyZeroDec()
 	}