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[WIP] Evm No Cosmos Field Decorator #2505

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[WIP] Evm No Cosmos Field Decorator #2505

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7777cf8
Evm No Cosmos Field Decorator
Kbhat1 Oct 27, 2025
a7e8d28
separate proto tx
Kbhat1 Oct 27, 2025
9886a9a
Merge branch 'main' into CosmosAnteHandle
Kbhat1 Oct 27, 2025
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19 changes: 17 additions & 2 deletions x/evm/ante/no_cosmos_fields.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,19 @@ func NewEVMNoCosmosFieldsDecorator() EVMNoCosmosFieldsDecorator {
return EVMNoCosmosFieldsDecorator{}
}

type protoTxProvider interface {
GetProtoTx() *txtypes.Tx
}

func (d EVMNoCosmosFieldsDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
txBody, ok := tx.(interface {
protoTx := tx
if txWrapper, ok := tx.(protoTxProvider); ok {
if inner := txWrapper.GetProtoTx(); inner != nil {
protoTx = inner
}
}

txBody, ok := protoTx.(interface {
GetBody() *txtypes.TxBody
})
if ok {
Expand All @@ -31,7 +42,7 @@ func (d EVMNoCosmosFieldsDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simul
}
}

txAuth, ok := tx.(interface {
txAuth, ok := protoTx.(interface {
GetAuthInfo() *txtypes.AuthInfo
})
if ok {
Expand Down Expand Up @@ -60,6 +71,10 @@ func (d EVMNoCosmosFieldsDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simul
if len(sigs) > 0 {
return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "signatures must be empty for EVM txs")
}
} else if rawSigTx, ok := protoTx.(interface {
GetSignatures() [][]byte
}); ok && len(rawSigTx.GetSignatures()) > 0 {
return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "signatures must be empty for EVM txs")
}

return next(ctx, tx, simulate)
Expand Down
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