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40897861b0
Change-Id: I0897682a00be1f6ebaf8eee090872c5057dc3fba Signed-off-by: Anthony O'Dowd <a_o-dowd@uk.ibm.com>
76 lines
No EOL
2.3 KiB
JavaScript
76 lines
No EOL
2.3 KiB
JavaScript
/*
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SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* This application has 6 basic steps:
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* 1. Select an identity from a wallet
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* 2. Connect to network gateway
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* 3. Access PaperNet network
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* 4. Construct request to issue commercial paper
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* 5. Submit transaction
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* 6. Process response
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*/
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'use strict';
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// Bring key classes into scope, most importantly Fabric SDK network class
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const file = require("fs");
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const yaml = require('js-yaml');
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const { FileSystemWallet, Gateway } = require('fabric-network');
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const { CommercialPaper } = require('./paper.js');
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// A wallet stores a collection of identities for use
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const wallet = new FileSystemWallet('./wallet');
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// A gateway defines the peers used to access Fabric networks
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const gateway = new Gateway();
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// Main try/catch/finally block
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try {
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// Load connection profile; will be used to locate a gateway
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connectionProfile = yaml.safeLoad(file.readFileSync('./gateway/connectionProfile.yaml', 'utf8'));
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// Set connection options; use 'admin' identity from application wallet
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let connectionOptions = {
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identity: 'isabella.the.issuer@magnetocorp.com',
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wallet: wallet,
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commitTimeout: 100,
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strategy: MSPID_SCOPE_ANYFORTX,
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commitNotifyStrategy: WAIT_FOR_ALL_CHANNEL_PEER
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}
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// Connect to gateway using application specified parameters
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await gateway.connect(connectionProfile, connectionOptions);
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console.log('Connected to Fabric gateway.')
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// Get addressability to PaperNet network
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const network = await gateway.getNetwork('PaperNet');
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// Get addressability to commercial paper contract
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const contract = await network.getContract('papercontract', 'org.papernet.commercialpaper');
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console.log('Submit commercial paper issue transaction.')
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// issue commercial paper
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const response = await contract.submitTransaction('issue', 'MagnetoCorp', '00001', '2020-05-31', '2020-11-30', '5000000');
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let paper = CommercialPaper.deserialize(response);
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console.log(`${paper.issuer} commercial paper : ${paper.paperNumber} successfully issued for value ${paper.faceValue}`);
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console.log('Transaction complete.')
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} catch (error) {
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console.log(`Error processing transaction. ${error}`);
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} finally {
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// Disconnect from the gateway
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console.log('Disconnect from Fabric gateway.')
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gateway.disconnect();
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} |