farms.waxdao 合约 概览 操作 (25) 结构体 (47) 表 (12) 应用二进制接口 结构体 (47) withdraw withdraw中的操作参数 { "name": "withdraw", "base": "", "fields": [ { "name": "farm_name", "type": "name" }, { "name": "amount", "type": "extended_asset" } ] }