110 lines
5.0 KiB
Go
110 lines
5.0 KiB
Go
package ante
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import (
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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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"github.com/cosmos/cosmos-sdk/types/tx/signing"
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"github.com/cosmos/cosmos-sdk/x/auth/ante"
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authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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ibcante "github.com/cosmos/ibc-go/v3/modules/core/ante"
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ibckeeper "github.com/cosmos/ibc-go/v3/modules/core/keeper"
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evmtypes "github.com/tharsis/ethermint/x/evm/types"
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)
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// HandlerOptions extend the SDK's AnteHandler options by requiring the IBC
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// channel keeper, EVM Keeper and Fee Market Keeper.
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type HandlerOptions struct {
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AccountKeeper evmtypes.AccountKeeper
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BankKeeper evmtypes.BankKeeper
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IBCKeeper *ibckeeper.Keeper
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FeeMarketKeeper evmtypes.FeeMarketKeeper
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EvmKeeper EVMKeeper
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FeegrantKeeper ante.FeegrantKeeper
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SignModeHandler authsigning.SignModeHandler
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SigGasConsumer func(meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params) error
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MaxTxGasWanted uint64
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}
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func (options HandlerOptions) Validate() error {
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if options.AccountKeeper == nil {
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return sdkerrors.Wrap(sdkerrors.ErrLogic, "account keeper is required for AnteHandler")
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}
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if options.BankKeeper == nil {
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return sdkerrors.Wrap(sdkerrors.ErrLogic, "bank keeper is required for AnteHandler")
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}
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if options.SignModeHandler == nil {
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return sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
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}
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if options.FeeMarketKeeper == nil {
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return sdkerrors.Wrap(sdkerrors.ErrLogic, "fee market keeper is required for AnteHandler")
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}
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if options.EvmKeeper == nil {
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return sdkerrors.Wrap(sdkerrors.ErrLogic, "evm keeper is required for AnteHandler")
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}
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return nil
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}
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func newEthAnteHandler(options HandlerOptions) sdk.AnteHandler {
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return sdk.ChainAnteDecorators(
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NewEthSetUpContextDecorator(options.EvmKeeper), // outermost AnteDecorator. SetUpContext must be called first
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NewEthMempoolFeeDecorator(options.EvmKeeper), // Check eth effective gas price against minimal-gas-prices
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NewEthMinGasPriceDecorator(options.FeeMarketKeeper, options.EvmKeeper), // Check eth effective gas price against the global MinGasPrice
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NewEthValidateBasicDecorator(options.EvmKeeper),
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NewEthSigVerificationDecorator(options.EvmKeeper),
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NewEthAccountVerificationDecorator(options.AccountKeeper, options.EvmKeeper),
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NewCanTransferDecorator(options.EvmKeeper),
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NewEthGasConsumeDecorator(options.EvmKeeper, options.MaxTxGasWanted),
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NewEthIncrementSenderSequenceDecorator(options.AccountKeeper), // innermost AnteDecorator.
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NewEthEmitEventDecorator(options.EvmKeeper), // emit eth tx hash and index at the very last ante handler.
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)
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}
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func newCosmosAnteHandler(options HandlerOptions) sdk.AnteHandler {
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return sdk.ChainAnteDecorators(
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RejectMessagesDecorator{}, // reject MsgEthereumTxs
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ante.NewSetUpContextDecorator(),
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ante.NewRejectExtensionOptionsDecorator(),
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ante.NewMempoolFeeDecorator(),
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NewMinGasPriceDecorator(options.FeeMarketKeeper, options.EvmKeeper),
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ante.NewValidateBasicDecorator(),
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ante.NewTxTimeoutHeightDecorator(),
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ante.NewValidateMemoDecorator(options.AccountKeeper),
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ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
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ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper),
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// SetPubKeyDecorator must be called before all signature verification decorators
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ante.NewSetPubKeyDecorator(options.AccountKeeper),
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ante.NewValidateSigCountDecorator(options.AccountKeeper),
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ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
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ante.NewSigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
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ante.NewIncrementSequenceDecorator(options.AccountKeeper),
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ibcante.NewAnteDecorator(options.IBCKeeper),
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)
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}
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func newCosmosAnteHandlerEip712(options HandlerOptions) sdk.AnteHandler {
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return sdk.ChainAnteDecorators(
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RejectMessagesDecorator{}, // reject MsgEthereumTxs
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ante.NewSetUpContextDecorator(),
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// NOTE: extensions option decorator removed
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// ante.NewRejectExtensionOptionsDecorator(),
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ante.NewMempoolFeeDecorator(),
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NewMinGasPriceDecorator(options.FeeMarketKeeper, options.EvmKeeper),
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ante.NewValidateBasicDecorator(),
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ante.NewTxTimeoutHeightDecorator(),
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ante.NewValidateMemoDecorator(options.AccountKeeper),
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ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
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ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper),
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// SetPubKeyDecorator must be called before all signature verification decorators
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ante.NewSetPubKeyDecorator(options.AccountKeeper),
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ante.NewValidateSigCountDecorator(options.AccountKeeper),
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ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
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// Note: signature verification uses EIP instead of the cosmos signature validator
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NewEip712SigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
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ante.NewIncrementSequenceDecorator(options.AccountKeeper),
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ibcante.NewAnteDecorator(options.IBCKeeper),
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)
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}
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