fix negative dynamic fee (#351)

* fix negative dynamic fee * Update app/ante/fee_checker.go Signed-off-by: yihuang <huang@crypto.com> * fix build --------- Signed-off-by: yihuang <huang@crypto.com>
yihuang · Sep 15, 2023 · 80b6515 · 80b6515
1 parent bb2418b
commit 80b6515
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/app/ante/fee_checker.go b/app/ante/fee_checker.go
@@ -72,6 +72,10 @@ func NewDynamicFeeChecker(k DynamicFeeEVMKeeper) authante.TxFeeChecker {
 			}
 		}
 
+		if maxPriorityPrice.Sign() == -1 {
+			return nil, 0, errorsmod.Wrapf(errortypes.ErrInsufficientFee, "priority fee is negative")
+		}
+
 		gas := feeTx.GetGas()
 		feeCoins := feeTx.GetFee()
 		fee := feeCoins.AmountOfNoDenomValidation(denom)