cn-pay/src/alipay/gateways/pos.gateway.js

a alipay wechat pay lib

'use strict';

const util = require('../util');

module.exports = class {
  constructor(config) {
    this.config = config;
  }
  pay(endpoint, payload) {
    payload.method = this.getMethod();
    payload.biz_content.product_code = this.getProductCode();
    payload.biz_content.scene = this.getScene();
    payload.biz_content = JSON.stringify(payload.biz_content);
    payload.sign = util.generateSign(payload, this.config.private_key);
    return util.request(endpoint, payload, this.config.public_key);
  }
  getScene() {
    return 'bar_code';
  }
  getMethod() {
    return 'alipay.trade.pay';
  }
  getProductCode() {
    return 'FACE_TO_FACE_PAYMENT';
  }
};