模块通信接口及数据结构定义，仅针对非数据库部分
web <-> core (接收请求方 <-> 发送请求方、接收响应方)
request
protocal: https
method: post
target: https://m2pool.com/api/pool/checkAccount
params<json>:
{
"coin": <coin><string>,
"ma": <user><string>,
}
response(success)
<result><bool>
response(fail)
<error info>