{"record":{"id":"0f8c4906709364cf","repo":"hyperledger/fabric","slug":"txrwset-fromprotobytes-error-s-0f8c49","errorCode":null,"errorMessage":"txRWSet.FromProtoBytes error %s","messagePattern":"txRWSet\\.FromProtoBytes error (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"core/handlers/validation/builtin/v13/lscc_validation_logic.go","lineNumber":433,"sourceCode":"\t\tif !lscc.ChaincodeVersionRegExp.MatchString(ccVersion) {\n\t\t\treturn policyErr(errors.Errorf(\"invalid chaincode version '%s'\", ccVersion))\n\t\t}\n\n\t\t// get the rwset\n\t\tpRespPayload, err := protoutil.UnmarshalProposalResponsePayload(cap.Action.ProposalResponsePayload)\n\t\tif err != nil {\n\t\t\treturn policyErr(fmt.Errorf(\"GetProposalResponsePayload error %s\", err))\n\t\t}\n\t\tif pRespPayload.Extension == nil {\n\t\t\treturn policyErr(fmt.Errorf(\"nil pRespPayload.Extension\"))\n\t\t}\n\t\trespPayload, err := protoutil.UnmarshalChaincodeAction(pRespPayload.Extension)\n\t\tif err != nil {\n\t\t\treturn policyErr(fmt.Errorf(\"GetChaincodeAction error %s\", err))\n\t\t}\n\t\ttxRWSet := &rwsetutil.TxRwSet{}\n\t\tif err = txRWSet.FromProtoBytes(respPayload.Results); err != nil {\n\t\t\treturn policyErr(fmt.Errorf(\"txRWSet.FromProtoBytes error %s\", err))\n\t\t}\n\n\t\t// extract the rwset for lscc\n\t\tvar lsccrwset *kvrwset.KVRWSet\n\t\tfor _, ns := range txRWSet.NsRwSets {\n\t\t\tlogger.Debugf(\"Namespace %s\", ns.NameSpace)\n\t\t\tif ns.NameSpace == \"lscc\" {\n\t\t\t\tlsccrwset = ns.KvRwSet\n\t\t\t\tbreak\n\t\t\t}\n\t\t}\n\n\t\t// retrieve from the ledger the entry for the chaincode at hand\n\t\tcdLedger, ccExistsOnLedger, err := vscc.getInstantiatedCC(chid, cdsArgs.ChaincodeSpec.ChaincodeId.Name)\n\t\tif err != nil {\n\t\t\treturn &commonerrors.VSCCExecutionFailureError{Err: err}\n\t\t}\n","sourceCodeStart":415,"sourceCodeEnd":451,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/core/handlers/validation/builtin/v13/lscc_validation_logic.go#L415-L451","documentation":"Returned by ValidateLSCCInvocation when txRWSet.FromProtoBytes fails to deserialize the chaincode action's results into a read-write set. The bytes exist but are corrupt or incompatible, preventing the security checks over the LSCC writes.","triggerScenarios":"Thrown at core/handlers/validation/builtin/v13/lscc_validation_logic.go:433 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Ensure the endorsing peer's simulation results serialize correctly","Reject the transaction with corrupted rwset bytes"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2736b63f8fd5932511d56fe68b7039d15977f7f6","analyzedAt":"2026-09-04T08:52:36.465Z","contentChangedAt":"2026-09-04T08:52:36.465Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}