rwax 合约 概览 操作 (19) 结构体 (32) 表 (10) 应用二进制接口 结构体 (32) withdraw withdraw中的操作参数 { "name": "withdraw", "base": "", "fields": [ { "name": "tokens", "type": "TOKEN_BALANCE[]" }, { "name": "account", "type": "name" } ] }