171 lines
8.2 KiB
Go
171 lines
8.2 KiB
Go
package middleware
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import (
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"github.com/cosmos/cosmos-sdk/types/tx"
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"github.com/cosmos/cosmos-sdk/types/tx/signing"
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evmtypes "github.com/tharsis/ethermint/x/evm/types"
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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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authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
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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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)
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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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Debug bool
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// TxDecoder is used to decode the raw tx bytes into a sdk.Tx.
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TxDecoder sdk.TxDecoder
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// IndexEvents defines the set of events in the form {eventType}.{attributeKey},
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// which informs Tendermint what to index. If empty, all events will be indexed.
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IndexEvents map[string]struct{}
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LegacyRouter sdk.Router
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MsgServiceRouter *authmiddleware.MsgServiceRouter
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ExtensionOptionChecker authmiddleware.ExtensionOptionChecker
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TxFeeChecker authmiddleware.TxFeeChecker
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AccountKeeper evmtypes.AccountKeeper
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BankKeeper evmtypes.BankKeeper
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FeeMarketKeeper evmtypes.FeeMarketKeeper
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EvmKeeper EVMKeeper
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FeegrantKeeper authmiddleware.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.TxDecoder == nil {
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return sdkerrors.Wrap(sdkerrors.ErrLogic, "txDecoder is required for middlewares")
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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 middlewares")
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}
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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 newEthAuthMiddleware(options HandlerOptions) (tx.Handler, error) {
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return authmiddleware.ComposeMiddlewares(
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authmiddleware.NewRunMsgsTxHandler(options.MsgServiceRouter, options.LegacyRouter),
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NewEthSetUpContextDecorator(options.EvmKeeper),
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NewEthMempoolFeeDecorator(options.EvmKeeper),
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NewEthValidateBasicDecorator(options.EvmKeeper),
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NewEthSigVerificationDecorator(options.EvmKeeper),
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NewEthAccountVerificationDecorator(options.AccountKeeper, options.BankKeeper, options.EvmKeeper),
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NewEthGasConsumeDecorator(options.EvmKeeper, options.MaxTxGasWanted),
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NewCanTransferDecorator(options.EvmKeeper),
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NewEthIncrementSenderSequenceDecorator(options.AccountKeeper),
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), nil
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}
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func newCosmosAuthMiddleware(options HandlerOptions) (tx.Handler, error) {
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return authmiddleware.ComposeMiddlewares(
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authmiddleware.NewRunMsgsTxHandler(options.MsgServiceRouter, options.LegacyRouter),
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authmiddleware.NewTxDecoderMiddleware(options.TxDecoder),
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// Set a new GasMeter on sdk.Context.
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//
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// Make sure the Gas middleware is outside of all other middlewares
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// that reads the GasMeter. In our case, the Recovery middleware reads
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// the GasMeter to populate GasInfo.
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authmiddleware.GasTxMiddleware,
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// Recover from panics. Panics outside of this middleware won't be
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// caught, be careful!
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authmiddleware.RecoveryTxMiddleware,
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// Choose which events to index in Tendermint. Make sure no events are
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// emitted outside of this middleware.
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authmiddleware.NewIndexEventsTxMiddleware(options.IndexEvents),
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// Reject all extension options other than the ones needed by the feemarket.
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authmiddleware.NewExtensionOptionsMiddleware(options.ExtensionOptionChecker),
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authmiddleware.ValidateBasicMiddleware,
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authmiddleware.TxTimeoutHeightMiddleware,
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authmiddleware.ValidateMemoMiddleware(options.AccountKeeper),
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authmiddleware.ConsumeTxSizeGasMiddleware(options.AccountKeeper),
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// No gas should be consumed in any middleware above in a "post" handler part. See
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// ComposeMiddlewares godoc for details.
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// `DeductFeeMiddleware` and `IncrementSequenceMiddleware` should be put outside of `WithBranchedStore` middleware,
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// so their storage writes are not discarded when tx fails.
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authmiddleware.DeductFeeMiddleware(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
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authmiddleware.SetPubKeyMiddleware(options.AccountKeeper),
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authmiddleware.ValidateSigCountMiddleware(options.AccountKeeper),
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authmiddleware.SigGasConsumeMiddleware(options.AccountKeeper, options.SigGasConsumer),
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authmiddleware.SigVerificationMiddleware(options.AccountKeeper, options.SignModeHandler),
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authmiddleware.IncrementSequenceMiddleware(options.AccountKeeper),
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// Creates a new MultiStore branch, discards downstream writes if the downstream returns error.
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// These kinds of middlewares should be put under this:
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// - Could return error after messages executed succesfully.
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// - Storage writes should be discarded together when tx failed.
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authmiddleware.WithBranchedStore,
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// Consume block gas. All middlewares whose gas consumption after their `next` handler
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// should be accounted for, should go below this middleware.
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authmiddleware.ConsumeBlockGasMiddleware,
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authmiddleware.NewTipMiddleware(options.BankKeeper),
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), nil
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}
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func newCosmosAnteHandlerEip712(options HandlerOptions) (tx.Handler, error) {
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return authmiddleware.ComposeMiddlewares(
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authmiddleware.NewRunMsgsTxHandler(options.MsgServiceRouter, options.LegacyRouter),
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authmiddleware.NewTxDecoderMiddleware(options.TxDecoder),
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// Set a new GasMeter on sdk.Context.
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//
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// Make sure the Gas middleware is outside of all other middlewares
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// that reads the GasMeter. In our case, the Recovery middleware reads
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// the GasMeter to populate GasInfo.
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authmiddleware.GasTxMiddleware,
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// Recover from panics. Panics outside of this middleware won't be
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// caught, be careful!
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authmiddleware.RecoveryTxMiddleware,
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// Choose which events to index in Tendermint. Make sure no events are
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// emitted outside of this middleware.
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authmiddleware.NewIndexEventsTxMiddleware(options.IndexEvents),
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// Reject all extension options other than the ones needed by the feemarket.
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authmiddleware.NewExtensionOptionsMiddleware(options.ExtensionOptionChecker),
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authmiddleware.ValidateBasicMiddleware,
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authmiddleware.TxTimeoutHeightMiddleware,
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authmiddleware.ValidateMemoMiddleware(options.AccountKeeper),
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authmiddleware.ConsumeTxSizeGasMiddleware(options.AccountKeeper),
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// No gas should be consumed in any middleware above in a "post" handler part. See
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// ComposeMiddlewares godoc for details.
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// `DeductFeeMiddleware` and `IncrementSequenceMiddleware` should be put outside of `WithBranchedStore` middleware,
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// so their storage writes are not discarded when tx fails.
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authmiddleware.DeductFeeMiddleware(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
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authmiddleware.SetPubKeyMiddleware(options.AccountKeeper),
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authmiddleware.ValidateSigCountMiddleware(options.AccountKeeper),
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authmiddleware.SigGasConsumeMiddleware(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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authmiddleware.IncrementSequenceMiddleware(options.AccountKeeper),
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// Creates a new MultiStore branch, discards downstream writes if the downstream returns error.
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// These kinds of middlewares should be put under this:
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// - Could return error after messages executed succesfully.
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// - Storage writes should be discarded together when tx failed.
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authmiddleware.WithBranchedStore,
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// Consume block gas. All middlewares whose gas consumption after their `next` handler
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// should be accounted for, should go below this middleware.
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authmiddleware.ConsumeBlockGasMiddleware,
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authmiddleware.NewTipMiddleware(options.BankKeeper),
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), nil
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}
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