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https://github.com/hyperledger/fabric-samples.git
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1efd213110
Add a channel event handler sample based on block events. Scope: create a block event handler write events received to the console write events received to a log file write events to an off chain couchdb database demonstrate a basic map reduce view for aggregation Change-Id: I5420ddc7070dbee785218ce5960f7604ac799f90 Signed-off-by: Chris Elder <chris.elder@us.ibm.com>
62 lines
2.4 KiB
JavaScript
62 lines
2.4 KiB
JavaScript
/*
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* Copyright IBM Corp. All Rights Reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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'use strict';
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const { FileSystemWallet, Gateway, X509WalletMixin } = require('fabric-network');
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const fs = require('fs');
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const path = require('path');
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const ccpPath = path.resolve(__dirname, '..', 'first-network', 'connection-org1.json');
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const ccpJSON = fs.readFileSync(ccpPath, 'utf8');
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const ccp = JSON.parse(ccpJSON);
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async function main() {
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try {
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// Create a new file system based wallet for managing identities.
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const walletPath = path.join(process.cwd(), 'wallet');
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const wallet = new FileSystemWallet(walletPath);
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console.log(`Wallet path: ${walletPath}`);
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// Check to see if we've already enrolled the user.
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const userExists = await wallet.exists('user1');
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if (userExists) {
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console.log('An identity for the user "user1" already exists in the wallet');
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return;
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}
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// Check to see if we've already enrolled the admin user.
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const adminExists = await wallet.exists('admin');
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if (!adminExists) {
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console.log('An identity for the admin user "admin" does not exist in the wallet');
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console.log('Run the enrollAdmin.js application before retrying');
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return;
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}
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// Create a new gateway for connecting to our peer node.
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const gateway = new Gateway();
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await gateway.connect(ccp, { wallet, identity: 'admin', discovery: { enabled: false } });
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// Get the CA client object from the gateway for interacting with the CA.
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const ca = gateway.getClient().getCertificateAuthority();
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const adminIdentity = gateway.getCurrentIdentity();
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// Register the user, enroll the user, and import the new identity into the wallet.
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const secret = await ca.register({ affiliation: 'org1.department1', enrollmentID: 'user1', role: 'client' }, adminIdentity);
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const enrollment = await ca.enroll({ enrollmentID: 'user1', enrollmentSecret: secret });
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const userIdentity = X509WalletMixin.createIdentity('Org1MSP', enrollment.certificate, enrollment.key.toBytes());
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wallet.import('user1', userIdentity);
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console.log('Successfully registered and enrolled admin user "user1" and imported it into the wallet');
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} catch (error) {
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console.error(`Failed to register user "user1": ${error}`);
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process.exit(1);
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}
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}
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main();
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