beacon/engine: check for empty requests #31010
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s1na
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MariusVanDerWijden,
lightclient and
fjl
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lightclient
reviewed
Jan 9, 2025
Co-authored-by: lightclient <14004106 [email protected]>
fjl
reviewed
Jan 9, 2025
| for _, req := range requests { | ||
| // No empty requests. | ||
| if len(req) < 2 { | ||
| return nil, fmt.Errorf("empty request: %v", req) |
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Do they define an error code for this?
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Just the normal invalid params error code: https://github.com/ethereum/execution-apis/pull/622/files
rjl493456442
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Jan 10, 2025
lightclient
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Jan 11, 2025
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One issue with this PR is that it returns a PayloadStatusV1, status INVALID and no error -- note the return api.invalid(err, nil), nil in newPayload(..).
The PR requires clients return the error -32602: Invalid params. Usually we return this in the body of the versioned method e.g.
func (api *ConsensusAPI) NewPayloadV4(params engine.ExecutableData, versionedHashes []common.Hash, beaconRoot *common.Hash, executionRequests []hexutil.Bytes) (engine.PayloadStatusV1, error) {
...
if executionRequests == nil {
return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil executionRequests post-prague"))
}
}So we should either do this requests check there in the versioned method or we need to interpret the error from ExecutableDataToBlock and return invalid params from newPayload.
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According to https://github.com/ethereum/execution-apis/blob/main/src/engine/prague.md#engine_newpayloadv4: