docker logs -f ca.example.com

# 向CA Server发送管理员登记请求
node enrollAdmin.js

node registerUser.js

node query.js

var channel = fabric_client.newChannel('mychannel');
var peer = fabric_client.newPeer('grpc://localhost:7051');
channel.addPeer(peer);

var member_user = null;
var store_path = path.join(__dirname, 'hfc-key-store');
console.log('Store path:'+store_path);
var tx_id = null;

// queryCar chaincode function - requires 1 argument, ex: args: ['CAR4'],
// queryAllCars chaincode function - requires no arguments , ex: args: [''],
const request = {
  //targets : --- letting this default to the peers assigned to the channel
  chaincodeId: 'fabcar',
  fcn: 'queryAllCars',
  args: ['']
};

func (s *SmartContract) queryAllCars(APIstub shim.ChaincodeStubInterface) sc.Response {

      startKey := "CAR0"
      endKey := "CAR999"

      resultsIterator, err := APIstub.GetStateByRange(startKey, endKey)

const request = {
  //targets : --- letting this default to the peers assigned to the channel
  chaincodeId: 'fabcar',
  fcn: 'queryCar',
  args: ['CAR4']
};

Store path:/home/pinvon/go/src/github.com/hyperledger/fabric-samples/fabcar/hfc-key-store
Successfully loaded user1 from persistence
Query has completed, checking results
Response is  {"colour":"black","make":"Tesla","model":"S","owner":"Adriana"}

var request = {
    //targets: let default to the peer assigned to the client
    chaincodeId: 'fabcar',
    fcn: 'createCar',
    args: ['CAR12', 'Honda', 'Accord', 'Black', 'Tom'],
    chainId: 'mychannel',
    txId: tx_id
};

Store path:/home/pinvon/go/src/github.com/hyperledger/fabric-samples/fabcar/hfc-key-store
Successfully loaded user1 from persistence
Assigning transaction_id:  2a15883b896e8be844c20be92188178f8592fdb145bbf1532d27cc6c08c59d2f
Transaction proposal was good
Successfully sent Proposal and received ProposalResponse: Status - 200, message - "OK"
The transaction has been committed on peer localhost:7053
Send transaction promise and event listener promise have completed
Successfully sent transaction to the orderer.
Successfully committed the change to the ledger by the peer

const request = {
  //targets : --- letting this default to the peers assigned to the channel
  chaincodeId: 'fabcar',
  fcn: 'queryCar',
  args: ['CAR12']
};

Store path:/home/pinvon/go/src/github.com/hyperledger/fabric-samples/fabcar/hfc-key-store
Successfully loaded user1 from persistence
Query has completed, checking results
Response is  {"colour":"Black","make":"Honda","model":"Accord","owner":"Tom"}