banner.nefty 合约 概览 操作 (25) 结构体 (33) 表 (7) 应用二进制接口 结构体 (33) account_balances_s balances 的表格行类型 { "name": "account_balances_s", "base": "", "fields": [ { "name": "account", "type": "name" }, { "name": "balances", "type": "extended_asset[]" } ] }