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