# 概览

## 如果您想使用Swan客户端工具发单

#### Swan客户端工具提供以下功能：

* 通过Lotus、Graphsplit、或IPFS将源文件生成 CAR 文件；
* 生成元数据，如 CAR 文件的URL, 交易开始高度(start epoch)等，并以 JSON 格式保存到元数据文件;
* 使用元数据 JSON 文件发起交易;
* 生成包含交易 CID、存储提供者 ID 等数据的最终 JSON 文件，供存储提供者导入交易;
* 在 FilSwan 平台上创建任务和离线交易;
* 自动将交易发送给参与自动竞价的存储提供者。


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