steplix-emvqr
v0.2.3
Published
Decode emv qr code specification for payments
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emvqr
Javascript library to parse EMV QR codes based on @walletfactory/emvqr package.
how to use
const emvqr = require('@steplix/emvqr');
const example = '00020101021229300012D156000000000510A93FO3230Q31280012D15600000001030812345678520441115802CN5914BEST TRANSPORT6007BEIJING64200002ZH0104最佳运输0202北京540523.7253031565502016233030412340603***0708A60086670902ME91320016A0112233449988770708123456786304A13A';
const result = emvqr.decode(example);
console.log('result', result);
// => result {
// '29': {
// id: '29',
// name: 'Merchant Account Information',
// len: 30,
// data: { '00': [Object], '05': [Object] }
// },
// '31': {
// id: '31',
// name: 'Merchant Account Information',
// len: 28,
// data: { '00': [Object], '03': [Object] }
// },
// '52': { id: '52', name: 'Merchant Category Code', len: 4, data: '4111' },
// '53': { id: '53', name: 'Transaction Currency', len: 3, data: '156' },
// '54': { id: '54', name: 'Transaction Amount', len: 5, data: '23.72' },
// '55': {
// id: '55',
// name: 'Tip or Convenience Indicator',
// len: 2,
// data: '01'
// },
// '58': { id: '58', name: 'Country Code', len: 2, data: 'CN' },
// '59': { id: '59', name: 'Merchant Name', len: 14, data: 'BEST TRANSPORT' },
// '60': { id: '60', name: 'Merchant City', len: 7, data: 'BEIJING' },
// '62': {
// id: '62',
// name: 'Additional Data Field Template',
// len: 33,
// data: '030412340603***0708A60086670902ME'
// },
// '63': { id: '63', name: 'CRC', len: 4, data: 'A13A' },
// '64': {
// id: '64',
// name: 'Merchant Information— Language Template',
// len: 20,
// data: '0002ZH0104最佳运输0202北京'
// },
// '91': {
// id: '91',
// name: 'Unreserved Templates',
// len: 32,
// data: '0016A011223344998877070812345678'
// },
// '00': { id: '00', name: 'Payload Format Indicator', len: 2, data: '01' },
// '01': { id: '01', name: 'Point of Initiation Method', len: 2, data: '12' }
// }
Result can be also decoded into small
format
const emvqr = require('@steplix/emvqr');
const example = '00020101021229300012D156000000000510A93FO3230Q31280012D15600000001030812345678520441115802CN5914BEST TRANSPORT6007BEIJING64200002ZH0104最佳运输0202北京540523.7253031565502016233030412340603***0708A60086670902ME91320016A0112233449988770708123456786304A13A';
const result = emvqr.decode(example,false);
console.log('result', result);
// => result {
// '29': { '00': 'D15600000000', '05': 'A93FO3230Q' },
// '31': { '00': 'D15600000001', '03': '12345678' },
// '52': '4111',
// '53': '156',
// '54': '23.72',
// '55': '01',
// '58': 'CN',
// '59': 'BEST TRANSPORT',
// '60': 'BEIJING',
// '62': '030412340603***0708A60086670902ME',
// '63': 'A13A',
// '64': '0002ZH0104最佳运输0202北京',
// '91': '0016A011223344998877070812345678',
// '00': '01',
// '01': '12'
// }