bridge.nefty 合约 概览 操作 (11) 结构体 (15) 表 (3) 应用二进制接口 结构体 (15) delcol delcol中的操作参数 { "name": "delcol", "base": "", "fields": [ { "name": "collection_name", "type": "name" }, { "name": "chain_id", "type": "uint64" } ] }