laconicd-deprecated/app/ante/fee_market.go
Federico Kunze Küllmer 23f88315e8
ante: refactor (#1113)
2022-06-06 10:15:10 +02:00

53 lines
1.5 KiB
Go

package ante
import (
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// GasWantedDecorator keeps track of the gasWanted amount on the current block in transient store
// for BaseFee calculation.
// NOTE: This decorator does not perform any validation
type GasWantedDecorator struct {
evmKeeper EVMKeeper
feeMarketKeeper FeeMarketKeeper
}
// NewGasWantedDecorator creates a new NewGasWantedDecorator
func NewGasWantedDecorator(
evmKeeper EVMKeeper,
feeMarketKeeper FeeMarketKeeper,
) GasWantedDecorator {
return GasWantedDecorator{
evmKeeper,
feeMarketKeeper,
}
}
func (gwd GasWantedDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
params := gwd.evmKeeper.GetParams(ctx)
ethCfg := params.ChainConfig.EthereumConfig(gwd.evmKeeper.ChainID())
blockHeight := big.NewInt(ctx.BlockHeight())
isLondon := ethCfg.IsLondon(blockHeight)
feeTx, ok := tx.(sdk.FeeTx)
if !ok || !isLondon {
return next(ctx, tx, simulate)
}
gasWanted := feeTx.GetGas()
feeMktParams := gwd.feeMarketKeeper.GetParams(ctx)
// Add total gasWanted to cumulative in block transientStore in FeeMarket module
if feeMktParams.IsBaseFeeEnabled(ctx.BlockHeight()) {
if _, err := gwd.feeMarketKeeper.AddTransientGasWanted(ctx, gasWanted); err != nil {
return ctx, sdkerrors.Wrapf(err, "failed to add gas wanted to transient store")
}
}
return next(ctx, tx, simulate)
}