How to Invoke Chaincode Transaction on BYFN Channel?

An instance of a chaincode can be viewed as an object of a class in an execution environment. It can hold transaction operations to manage its properties.

You can run the "peer chaincode invoke" command to invoke the "Invoke" operation of a given chaincode instance.

1. Verify instantiated chaincode:

$ docker exec -it cli bash

bash-4.4# echo $CORE_PEER_ADDRESS
peer0.org2.example.com:7051

bash-4.4# peer chaincode list -C mychannel --instantiated
Get instantiated chaincodes on channel mychannel:
Name: mycc, Version: 1.0, Path: github.com/chaincode/chaincode_example02/go/, \
   Escc: escc, Vscc: vscc

2. Invoke chaincode instance to transfer 10 from property:

bash-4.4# peer chaincode invoke -o orderer.example.com:7050 --tls true \
   --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto\
   /ordererOrganizations/example.com/orderers/orderer.example.com/msp\
   /tlscacerts/tlsca.example.com-cert.pem -C mychannel -n mycc \
   --peerAddresses peer0.org1.example.com:9051 --tlsRootCertFiles \
   /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations\
   /org1.example.com/peers/peer0.org1.example.com/tls/ca.crt \
   --peerAddresses peer0.org2.example.com:9051 --tlsRootCertFiles \
   /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations\
   /org2.example.com/peers/peer0.org2.example.com/tls/ca.crt \
   -c '{"Args":["invoke","a","b","10"]}'

Error: error getting endorser client for invoke: endorser client failed 
to connect to peer0.org1.example.com:9051: failed to create new 
connection: connection error: desc = "transport: error while dialing: 
dial tcp 172.18.0.14:9051: connect: connection refused"

The command failed, because there is a typo in the command provided from "Building Your First Network" document provided from: https://hyperledger-fabric.readthedocs.io/en/release-1.4/build_network.html. The port number should 7051, not 9051.

bash-4.4# peer chaincode invoke -o orderer.example.com:7050 --tls true \
   --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto\
   /ordererOrganizations/example.com/orderers/orderer.example.com/msp\
   /tlscacerts/tlsca.example.com-cert.pem -C mychannel -n mycc \
   --peerAddresses peer0.org1.example.com:7051 --tlsRootCertFiles \
   /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations\
   /org1.example.com/peers/peer0.org1.example.com/tls/ca.crt \
   --peerAddresses peer0.org2.example.com:7051 --tlsRootCertFiles \
   /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations\
   /org2.example.com/peers/peer0.org2.example.com/tls/ca.crt \
   -c '{"Args":["invoke","a","b","10"]}'

Error: could not assemble transaction: ProposalResponsePayloads do not 
match - proposal response: version:1 response:<status:200 > payload:"\n 
?\361b\342\357\345+\371\344\332\203\242F6\262\347\014<i\241\302\247\272\326
_t(\250\337+\033\303\022\214\001\nx\0221\n\n_lifecycle\022#\n!\n\037namespa
ces/fields/mycc/Sequence\022\024\n\004lscc\022\014\n\n\n\004mycc\022\002\01
0\003\022-\n\004mycc\022%\n\007\n\001a\022\002\010\003\n\007\n\001b\022\002
\010\003\032\007\n\001a\032\00290\032\010\n\001b\032\003210\032\003\010\310
\001\"\013\022\004mycc\032\0031.0" 
endorsement:<endorser:"\n\007Org1MSP\022\252\006
-----BEGIN CERTIFICATE-----
... peer0.org1.example.com certificate ...
-----END CERTIFICATE-----\n" 
signature:"0D\002 
>\236/\024\177\025/\017\266\321\227\271\223\240\321\316\256\340\256\225\203
\265BR\215\322M\014\223x\345g\002 
O\370\216n\267i\367\256\252kh\007O\207[+u\240\220L@%\351\237'\252\237\024\3
45\320?*" >

The command failed again, because there chaincode installed on peer0.org1 and peer0.org2 either missing or does no match. See the next tutorial on how to resolve this error.

 

⇒ BYFN CLI "peer" Command Prefix

⇐ Query Chaincode Property on BYFN Channel

⇑ BYFN (Build Your First Network)

⇑⇑ Hyperledger Tutorials