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

a alipay wechat pay lib

'use strict';

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

module.exports = class {
  constructor(config) {
    this.config = config;
  }
  pay(payload) {
    delete payload.notify_url;
    delete payload.trade_type;
    payload.appid = this.config.app_id;
    payload.sign = util.generateSign(payload, this.config.key);
    return new Promise((resolve, reject) => {
      util.request('/pay/micropay', payload, this.config.key)
        .then(data => resolve(data))
        .catch(reject);
    });
  }
};