微信支付/WechatPay SDK in Elixir

该SDK提供了一种简单的方式来与微信支付API进行交互。它包括了部分微信支付API，包括付款、退款、查询订单等。

Debug tools

General exception with an optional string, map, or Keyword list stored in exception details

behavior os http transport

Implement ExWechatpay.Http behavior with Finch

http request

http response

some typespecs