29d3abcf09
* Reuse cosmos-sdk client library to create keyring Extracted from https://github.com/evmos/ethermint/pull/1168 Cleanup cmd code for easier to migration to cosmos-sdk 0.46 * Update cosmos-sdk v0.46 prepare for implementing cosmos-sdk feemarket and tx prioritization changelog refactor cmd use sdkmath fix lint fix unit tests fix unit test genesis fix unit tests fix unit test env setup fix unit tests fix unit tests register PrivKey impl fix extension options fix lint fix unit tests make HandlerOption.Validate private gofumpt fix msg response decoding fix sim test bump cosmos-sdk version fix sim test sdk 46 fix unit test fix unit tests update ibc-go
111 lines
3.1 KiB
Go
111 lines
3.1 KiB
Go
package keeper
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import (
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"math/big"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
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evmtypes "github.com/evmos/ethermint/x/evm/types"
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"github.com/ethereum/go-ethereum/core"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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)
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// DeductTxCostsFromUserBalance it calculates the tx costs and deducts the fees
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func (k Keeper) DeductTxCostsFromUserBalance(
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ctx sdk.Context,
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msgEthTx evmtypes.MsgEthereumTx,
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txData evmtypes.TxData,
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denom string,
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homestead, istanbul, london bool,
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) (sdk.Coins, error) {
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isContractCreation := txData.GetTo() == nil
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// fetch sender account from signature
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signerAcc, err := authante.GetSignerAcc(ctx, k.accountKeeper, msgEthTx.GetFrom())
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if err != nil {
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return nil, sdkerrors.Wrapf(err, "account not found for sender %s", msgEthTx.From)
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}
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gasLimit := txData.GetGas()
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var accessList ethtypes.AccessList
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if txData.GetAccessList() != nil {
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accessList = txData.GetAccessList()
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}
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intrinsicGas, err := core.IntrinsicGas(txData.GetData(), accessList, isContractCreation, homestead, istanbul)
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if err != nil {
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return nil, sdkerrors.Wrapf(
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err,
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"failed to retrieve intrinsic gas, contract creation = %t; homestead = %t, istanbul = %t",
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isContractCreation, homestead, istanbul,
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)
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}
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// intrinsic gas verification during CheckTx
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if ctx.IsCheckTx() && gasLimit < intrinsicGas {
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return nil, sdkerrors.Wrapf(
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sdkerrors.ErrOutOfGas,
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"gas limit too low: %d (gas limit) < %d (intrinsic gas)", gasLimit, intrinsicGas,
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)
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}
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var feeAmt *big.Int
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feeMktParams := k.feeMarketKeeper.GetParams(ctx)
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if london && feeMktParams.IsBaseFeeEnabled(ctx.BlockHeight()) && txData.TxType() == ethtypes.DynamicFeeTxType {
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baseFee := k.feeMarketKeeper.GetBaseFee(ctx)
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if txData.GetGasFeeCap().Cmp(baseFee) < 0 {
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return nil, sdkerrors.Wrapf(sdkerrors.ErrInsufficientFee, "the tx gasfeecap is lower than the tx baseFee: %s (gasfeecap), %s (basefee) ", txData.GetGasFeeCap(), baseFee)
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}
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feeAmt = txData.EffectiveFee(baseFee)
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} else {
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feeAmt = txData.Fee()
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}
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if feeAmt.Sign() == 0 {
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// zero fee, no need to deduct
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return sdk.Coins{}, nil
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}
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fees := sdk.Coins{sdk.NewCoin(denom, sdkmath.NewIntFromBigInt(feeAmt))}
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// deduct the full gas cost from the user balance
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if err := authante.DeductFees(k.bankKeeper, ctx, signerAcc, fees); err != nil {
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return nil, sdkerrors.Wrapf(
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err,
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"failed to deduct full gas cost %s from the user %s balance",
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fees, msgEthTx.From,
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)
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}
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return fees, nil
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}
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// CheckSenderBalance validates that the tx cost value is positive and that the
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// sender has enough funds to pay for the fees and value of the transaction.
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func CheckSenderBalance(
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balance sdkmath.Int,
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txData evmtypes.TxData,
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) error {
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cost := txData.Cost()
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if cost.Sign() < 0 {
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return sdkerrors.Wrapf(
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sdkerrors.ErrInvalidCoins,
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"tx cost (%s) is negative and invalid", cost,
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)
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}
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if balance.IsNegative() || balance.BigInt().Cmp(cost) < 0 {
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return sdkerrors.Wrapf(
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sdkerrors.ErrInsufficientFunds,
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"sender balance < tx cost (%s < %s)", balance, txData.Cost(),
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)
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}
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return nil
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}
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