Error: failed to create deliver client: failed to load config for OrdererClient: unable to load orderer.tls.rootcert.file: open /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem: no such file or directory 在我的情况下，我输入了本地路径，而不是“ /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto ”这条路径。所以我只是从终端复制我的机器路径，并附加到文件路径，这解决了我的问题。... 展开详请

可以 /* ReadCertAttribute用来从交易证书中读取指定的属性 *attributeName* 是这个函数的入参. 例如: attrValue,error:=stub.ReadCertAttribute("position")*/ ReadCertAttribute(attributeName string) ([]byte, error) Demo: func (t *SimpleChaincode) get_username(stub shim.ChaincodeStubInterface) (string, error) { username, err := stub.ReadCertAttribute("username"); if err != nil { return "", errors.New("Couldn't get attribute 'username'. Error: " + err.Error()) } return string(username), nil }... 展开详请