nfthivedrops 合约 概览 操作 (51) 结构体 (92) 表 (28) 应用二进制接口 结构体 (92) withdraw withdraw中的操作参数 { "name": "withdraw", "base": "", "fields": [ { "name": "account", "type": "name" }, { "name": "amount", "type": "asset" } ] }