...P Error 400: Bad Request
-- TRACEBACK --
ERROR:root:Sleeping for 30s and trying again
```
这很可能意味着您将数据发送到了接收管道，而没有在您的Mina节点上配置任何区块生产者密钥-因为您的BP密钥是您的身份，所以我们不能接受节点数据...
...ps://medium.com/@bloqarl/how-blockchain-aims-to-transform-elections-secure-and-accessible-voting-a227e757c393)
>- 登链社区 AI 助手，为大家转译优秀英文文章，如有翻译不通的地方，还请包涵～
...quire(b = a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contra...
.../
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ---------------------------------------------------------------------...