merge pr #799 (#867)

Co-authored-by: Freddy Li <[email protected]>
cosmos · Apr 19, 2021 · 4de267d · 4de267d
1 parent 3946de3
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -209,6 +209,7 @@ corresponding Ethereum API namespace:
 
 ### Bug Fixes
 
+* (evm) [\#799](https://github.com/cosmos/ethermint/issues/799) Fix wrong precision in calculation of gas fee.
 * (evm) [\#767](https://github.com/cosmos/ethermint/issues/767) Fix error of timeout when using Truffle to deploy contract.
 * (evm) [\#751](https://github.com/cosmos/ethermint/issues/751) Fix misused method to calculate block hash in evm related function.
 * (evm) [\#721](https://github.com/cosmos/ethermint/issues/721) Fix mismatch block hash in rpc response when use eth.getBlock.

diff --git a/app/ante/eth.go b/app/ante/eth.go
@@ -99,7 +99,7 @@ func (emfd EthMempoolFeeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simula
 	evmDenom := emfd.evmKeeper.GetParams(ctx).EvmDenom
 
 	// fee = gas price * gas limit
-	fee := sdk.NewDecCoin(evmDenom, sdk.NewIntFromBigInt(msgEthTx.Fee()))
+	fee := sdk.NewDecCoinFromDec(evmDenom, sdk.NewDecFromBigIntWithPrec(msgEthTx.Fee(), sdk.Precision))
 
 	minGasPrices := ctx.MinGasPrices()
 	minFees := minGasPrices.AmountOf(evmDenom).MulInt64(int64(msgEthTx.Data.GasLimit))