How to upgrade a chaincode after modification?
问题 I am new to hyperledger and is going through the example here . I am tried to play around the chaincode but is now stuck at the part where I am suppose to upgrade the chaincode I have tried to execute the peer chaincode upgrade within the docker peer node: peer chaincode upgrade -n tuna-app -p github.com/tuna-app but end up with the error Error getting (testchainid) orderer endpoint: Error endorsing GetConfigBlock: rpc error: code = Unknown desc = chaincode error (status: 500, message: