zartknissuer 合约 概览 操作 (5) 结构体 (7) 表 (2) 应用二进制接口 结构体 (7) refund refund中的操作参数 { "name": "refund", "base": "", "fields": [ { "name": "symbol", "type": "symbol_code" }, { "name": "deposit_id", "type": "uint64" }, { "name": "memo", "type": "string" } ] }