mirror of
https://github.com/hyperledger/fabric-samples.git
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bfdc0b6e7a
Fixed typo in instatiate-chaincode.js and removed unused imports from other JavaScript files in balance-transfer/app Change-Id: If9695c4f51e9c0835230b2c7f969cbf4aa132675 Signed-off-by: Clyde DCruz <clydecroix@gmail.com>
104 lines
3.6 KiB
JavaScript
104 lines
3.6 KiB
JavaScript
/**
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* Copyright 2017 IBM All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the 'License');
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an 'AS IS' BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var util = require('util');
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var helper = require('./helper.js');
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var logger = helper.getLogger('Join-Channel');
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/*
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* Have an organization join a channel
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*/
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var joinChannel = async function(channel_name, peers, username, org_name) {
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logger.debug('\n\n============ Join Channel start ============\n')
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var error_message = null;
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var all_eventhubs = [];
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try {
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logger.info('Calling peers in organization "%s" to join the channel', org_name);
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// first setup the client for this org
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var client = await helper.getClientForOrg(org_name, username);
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logger.debug('Successfully got the fabric client for the organization "%s"', org_name);
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var channel = client.getChannel(channel_name);
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if(!channel) {
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let message = util.format('Channel %s was not defined in the connection profile', channel_name);
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logger.error(message);
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throw new Error(message);
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}
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// next step is to get the genesis_block from the orderer,
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// the starting point for the channel that we want to join
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let request = {
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txId : client.newTransactionID(true) //get an admin based transactionID
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};
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let genesis_block = await channel.getGenesisBlock(request);
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// tell each peer to join and wait 10 seconds
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// for the channel to be created on each peer
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var promises = [];
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promises.push(new Promise(resolve => setTimeout(resolve, 10000)));
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let join_request = {
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targets: peers, //using the peer names which only is allowed when a connection profile is loaded
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txId: client.newTransactionID(true), //get an admin based transactionID
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block: genesis_block
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};
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let join_promise = channel.joinChannel(join_request);
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promises.push(join_promise);
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let results = await Promise.all(promises);
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logger.debug(util.format('Join Channel R E S P O N S E : %j', results));
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// lets check the results of sending to the peers which is
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// last in the results array
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let peers_results = results.pop();
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// then each peer results
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for(let i in peers_results) {
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let peer_result = peers_results[i];
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if(peer_result.response && peer_result.response.status == 200) {
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logger.info('Successfully joined peer to the channel %s',channel_name);
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} else {
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let message = util.format('Failed to join peer to the channel %s',channel_name);
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error_message = message;
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logger.error(message);
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}
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}
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} catch(error) {
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logger.error('Failed to join channel due to error: ' + error.stack ? error.stack : error);
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error_message = error.toString();
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}
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// need to shutdown open event streams
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all_eventhubs.forEach((eh) => {
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eh.disconnect();
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});
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if (!error_message) {
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let message = util.format(
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'Successfully joined peers in organization %s to the channel:%s',
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org_name, channel_name);
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logger.info(message);
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// build a response to send back to the REST caller
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let response = {
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success: true,
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message: message
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};
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return response;
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} else {
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let message = util.format('Failed to join all peers to channel. cause:%s',error_message);
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logger.error(message);
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throw new Error(message);
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}
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};
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exports.joinChannel = joinChannel;
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