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后续考虑向智能合约中加入拍卖的功能，也即音乐版权的出售功能。但是在当前项目上实现意义不大。以下是原因：
在拍卖功能中涉及到两个账户的转账操作。通过合约转账的流程是
Buyer->Smart Contract->Seller
也就是买家将竞价金额的eth转入合约中，若后续的竞价没有比该金额更大的，则这些eth从合约转入到卖家账户，拍卖结束。若有更大的，则将该金额从合约中退回到买家账户中。
买家金额转入合约是通过msg.value这个变量承载的，在Remix IDE中可以通过控制台直接输入。但是msg.value这个变量是只读的，在solidity中不能修改这个变量，且没有办法去指定这个交易金额值为函数参数，故不能通过将合约编译成Go的办法来调用转账函数。进而不能制作Web接口。
通过查询得知Web3.js可以预定义该msg.value值。那么此时可以在当前项目上添加通过js函数签署交易的操作，然后与Go交互，但是这样会导致Ethereum测试网以及合约地址的链接比较混乱。
不如直接使用Web3.js从头开始写合约的调用以及和前端的交互，而无需通过abigen以及gin来写这个项目。
如果您了解该问题的解决方法，请提出您的宝贵意见！！
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