wufclaimtool 合约 概览 操作 (10) 结构体 (16) 表 (4) 应用二进制接口 结构体 (16) balances_s balances 的表格行类型 { "name": "balances_s", "base": "", "fields": [ { "name": "user", "type": "name" }, { "name": "tokens", "type": "CONTRACT_ASSET[]" } ] }