laconicd-deprecated/app/ante/reject_msgs.go
Federico Kunze Küllmer 16fb2e1110
imp(ante): refactor AnteHandler (#1479)
* imp(ante): refactor AnteHandler

* fix test

* test

* Adjust deprecated sdkerrors import (#1493)

* refactor test files

* Apply suggestions from code review

Co-authored-by: 4rgon4ut <59182467+4rgon4ut@users.noreply.github.com>

* lint

* prioritization comment

* fix test

Co-authored-by: MalteHerrmann <42640438+MalteHerrmann@users.noreply.github.com>
Co-authored-by: 4rgon4ut <59182467+4rgon4ut@users.noreply.github.com>
2022-11-25 08:24:55 +00:00

27 lines
949 B
Go

package ante
import (
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
errortypes "github.com/cosmos/cosmos-sdk/types/errors"
evmtypes "github.com/evmos/ethermint/x/evm/types"
)
// RejectMessagesDecorator prevents invalid msg types from being executed
type RejectMessagesDecorator struct{}
// AnteHandle rejects messages that requires ethereum-specific authentication.
// For example `MsgEthereumTx` requires fee to be deducted in the antehandler in
// order to perform the refund.
func (rmd RejectMessagesDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
for _, msg := range tx.GetMsgs() {
if _, ok := msg.(*evmtypes.MsgEthereumTx); ok {
return ctx, errorsmod.Wrapf(
errortypes.ErrInvalidType,
"MsgEthereumTx needs to be contained within a tx with 'ExtensionOptionsEthereumTx' option",
)
}
}
return next(ctx, tx, simulate)
}