nebulatalked 合约 概览 操作 (4) 结构体 (6) 表 (2) 应用二进制接口 结构体 (6) post_t posts 的表格行类型 { "name": "post_t", "base": "", "fields": [ { "name": "id", "type": "uint64" }, { "name": "poster", "type": "name" }, { "name": "timestamp", "type": "uint32" } ] }