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handler_options.go
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handler_options.go
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package ante
import (
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/types/tx/signing"
"github.com/cosmos/cosmos-sdk/x/auth/ante"
authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
ethante "github.com/evmos/ethermint/app/ante"
evmtypes "github.com/evmos/ethermint/x/evm/types"
)
// HandlerOptions defines the list of module keepers required to run the Evmos
// AnteHandler decorators.
type HandlerOptions struct {
AccountKeeper evmtypes.AccountKeeper
BankKeeper evmtypes.BankKeeper
FeeMarketKeeper ethante.FeeMarketKeeper
EvmKeeper ethante.EVMKeeper
FeegrantKeeper ante.FeegrantKeeper
SignModeHandler authsigning.SignModeHandler
SigGasConsumer func(meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params) error
TxCounterStoreKey storetypes.StoreKey
Cdc codec.BinaryCodec
MaxTxGasWanted uint64
TxFeeChecker ante.TxFeeChecker
}
// Validate checks if the keepers are defined
func (options HandlerOptions) Validate() error {
if options.AccountKeeper == nil {
return sdkerrors.Wrap(sdkerrors.ErrLogic, "account keeper is required for AnteHandler")
}
if options.BankKeeper == nil {
return sdkerrors.Wrap(sdkerrors.ErrLogic, "bank keeper is required for AnteHandler")
}
if options.SignModeHandler == nil {
return sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
}
if options.FeeMarketKeeper == nil {
return sdkerrors.Wrap(sdkerrors.ErrLogic, "fee market keeper is required for AnteHandler")
}
if options.EvmKeeper == nil {
return sdkerrors.Wrap(sdkerrors.ErrLogic, "evm keeper is required for AnteHandler")
}
return nil
}
// newCosmosAnteHandler creates the default ante handler for Ethereum transactions
func newEthAnteHandler(options HandlerOptions) sdk.AnteHandler {
return sdk.ChainAnteDecorators(
ethante.NewEthSetUpContextDecorator(options.EvmKeeper), // outermost AnteDecorator. SetUpContext must be called first
ethante.NewEthMempoolFeeDecorator(options.EvmKeeper), // Check eth effective gas price against the node's minimal-gas-prices config
ethante.NewEthMinGasPriceDecorator(options.FeeMarketKeeper, options.EvmKeeper), // Check eth effective gas price against the global MinGasPrice
ethante.NewEthValidateBasicDecorator(options.EvmKeeper),
ethante.NewEthSigVerificationDecorator(options.EvmKeeper),
ethante.NewEthAccountVerificationDecorator(options.AccountKeeper, options.EvmKeeper),
ethante.NewCanTransferDecorator(options.EvmKeeper),
ethante.NewEthGasConsumeDecorator(options.EvmKeeper, options.MaxTxGasWanted),
ethante.NewEthIncrementSenderSequenceDecorator(options.AccountKeeper),
ethante.NewGasWantedDecorator(options.EvmKeeper, options.FeeMarketKeeper),
ethante.NewEthEmitEventDecorator(options.EvmKeeper), // emit eth tx hash and index at the very last ante handler.
)
}
// newCosmosAnteHandler creates the default ante handler for Cosmos transactions
func newCosmosAnteHandler(options HandlerOptions) sdk.AnteHandler {
return sdk.ChainAnteDecorators(
ethante.RejectMessagesDecorator{}, // reject MsgEthereumTxs
ante.NewSetUpContextDecorator(),
// ante.NewRejectExtensionOptionsDecorator(),
ante.NewValidateBasicDecorator(),
ethante.NewMinGasPriceDecorator(options.FeeMarketKeeper, options.EvmKeeper),
ante.NewTxTimeoutHeightDecorator(),
ante.NewValidateMemoDecorator(options.AccountKeeper),
ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
NewValidatorCommissionDecorator(options.Cdc),
// SetPubKeyDecorator must be called before all signature verification decorators
ante.NewSetPubKeyDecorator(options.AccountKeeper),
ante.NewValidateSigCountDecorator(options.AccountKeeper),
ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
ante.NewSigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
ante.NewIncrementSequenceDecorator(options.AccountKeeper),
ethante.NewGasWantedDecorator(options.EvmKeeper, options.FeeMarketKeeper),
)
}
// newCosmosAnteHandlerEip712 creates the ante handler for transactions signed with EIP712
func newCosmosAnteHandlerEip712(options HandlerOptions) sdk.AnteHandler {
return sdk.ChainAnteDecorators(
ethante.RejectMessagesDecorator{}, // reject MsgEthereumTxs
ante.NewSetUpContextDecorator(),
ante.NewValidateBasicDecorator(),
ethante.NewMinGasPriceDecorator(options.FeeMarketKeeper, options.EvmKeeper),
ante.NewTxTimeoutHeightDecorator(),
ante.NewValidateMemoDecorator(options.AccountKeeper),
ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
NewValidatorCommissionDecorator(options.Cdc),
// SetPubKeyDecorator must be called before all signature verification decorators
ante.NewSetPubKeyDecorator(options.AccountKeeper),
ante.NewValidateSigCountDecorator(options.AccountKeeper),
ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
ante.NewIncrementSequenceDecorator(options.AccountKeeper),
ethante.NewGasWantedDecorator(options.EvmKeeper, options.FeeMarketKeeper),
)
}