[venus-market] 调研https://github.com/filecoin-project/go-fil-commp-hashhash库

[hunjixin]

Checklist

• This is not a new feature or an enhancement to the Filecoin protocol. If it is, please open an FIP issue.
• This is not a new feature request. If it is, please file a feature request instead.
• This is not brainstorming ideas. If you have an idea you'd like to discuss, please open a new discussion on the venus forum and select the category as Ideas.
• I have a specific, actionable, and well motivated improvement to propose.

Venus component

• venus daemon - [chain service] chain sync
• venus auth - [chain service] authentication
• venus messager - [chain service] message management (mpool)
• venus gateway - [chain service] gateway
• venus miner - [chain service] mining and block production
• venus sealer/worker - sealing
• venus sealer - proving (WindowPoSt)
• venus market - storage deal
• venus market - retrieval deal
• venus market - data transfer
• venus light-weight client
• venus JSON-RPC API
• Other

Improvement Suggestion

调研https://github.com/filecoin-project/go-fil-commp-hashhash库，这个库提供了纯go代码实现的计算commp的方法，使用该库可能可以移除filecoin-ffi库，简化代码编译，加快ci速度。

[zl03jsj]

暂时无法移除, venus-market必须依赖go-fil-market, go-fil-market中包含对ffi的引用.