bananaevmbrg 合约 概览 操作 (4) 结构体 (7) 表 (3) 应用二进制接口 结构体 (7) refunds refunds 的表格行类型 { "name": "refunds", "base": "", "fields": [ { "name": "refund_id", "type": "uint64" }, { "name": "call_id", "type": "checksum256" }, { "name": "timestamp", "type": "time_point" } ] }