mirror of
https://github.com/hyperledger/fabric-samples.git
synced 2026-06-17 15:35:09 +00:00
0bc0a69793
Update low level FabCar to use BYFN. As a result, the sample client applications need to change so that they use the correct TLS certificates and URLs, and so that they use service discovery. Change-Id: I2805a00fd745416e6b006af7b87147551e511922 Signed-off-by: Simon Stone <sstone1@uk.ibm.com>
80 lines
2.8 KiB
JavaScript
80 lines
2.8 KiB
JavaScript
'use strict';
|
|
/*
|
|
* Copyright IBM Corp All Rights Reserved
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
/*
|
|
* Chaincode query
|
|
*/
|
|
|
|
var Fabric_Client = require('fabric-client');
|
|
var fs = require('fs');
|
|
var path = require('path');
|
|
|
|
var firstnetwork_path = path.resolve('..', '..', 'first-network');
|
|
var org1tlscacert_path = path.resolve(firstnetwork_path, 'crypto-config', 'peerOrganizations', 'org1.example.com', 'tlsca', 'tlsca.org1.example.com-cert.pem');
|
|
var org1tlscacert = fs.readFileSync(org1tlscacert_path, 'utf8');
|
|
|
|
//
|
|
var fabric_client = new Fabric_Client();
|
|
|
|
// setup the fabric network
|
|
var channel = fabric_client.newChannel('mychannel');
|
|
var peer = fabric_client.newPeer('grpcs://localhost:7051', {
|
|
'ssl-target-name-override': 'peer0.org1.example.com',
|
|
pem: org1tlscacert
|
|
});
|
|
channel.addPeer(peer);
|
|
|
|
//
|
|
var store_path = path.join(__dirname, 'hfc-key-store');
|
|
console.log('Store path:'+store_path);
|
|
|
|
// create the key value store as defined in the fabric-client/config/default.json 'key-value-store' setting
|
|
Fabric_Client.newDefaultKeyValueStore({ path: store_path
|
|
}).then((state_store) => {
|
|
// assign the store to the fabric client
|
|
fabric_client.setStateStore(state_store);
|
|
var crypto_suite = Fabric_Client.newCryptoSuite();
|
|
// use the same location for the state store (where the users' certificate are kept)
|
|
// and the crypto store (where the users' keys are kept)
|
|
var crypto_store = Fabric_Client.newCryptoKeyStore({path: store_path});
|
|
crypto_suite.setCryptoKeyStore(crypto_store);
|
|
fabric_client.setCryptoSuite(crypto_suite);
|
|
|
|
// get the enrolled user from persistence, this user will sign all requests
|
|
return fabric_client.getUserContext('user1', true);
|
|
}).then((user_from_store) => {
|
|
if (user_from_store && user_from_store.isEnrolled()) {
|
|
console.log('Successfully loaded user1 from persistence');
|
|
} else {
|
|
throw new Error('Failed to get user1.... run registerUser.js');
|
|
}
|
|
|
|
// 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: ['']
|
|
};
|
|
|
|
// send the query proposal to the peer
|
|
return channel.queryByChaincode(request);
|
|
}).then((query_responses) => {
|
|
console.log("Query has completed, checking results");
|
|
// query_responses could have more than one results if there multiple peers were used as targets
|
|
if (query_responses && query_responses.length == 1) {
|
|
if (query_responses[0] instanceof Error) {
|
|
console.error("error from query = ", query_responses[0]);
|
|
} else {
|
|
console.log("Response is ", query_responses[0].toString());
|
|
}
|
|
} else {
|
|
console.log("No payloads were returned from query");
|
|
}
|
|
}).catch((err) => {
|
|
console.error('Failed to query successfully :: ' + err);
|
|
});
|