...n "setValue". Two or more base classes define functions with the same name and parameter types`
意思是：因为父合约定义具有相同名称和参数类型的函数，派生合约必须重写（[override](https://learnblockchain.cn/docs/solidity/contracts.html#overriding)）函数“setVal...
... != e.ValidatorPower {
return fmt.Errorf("validator power from evidence and our validator set does not match (%d != %d)",
e.ValidatorPower, val.VotingPower)
}
if valSet.TotalVotingPower() != e.TotalVotingPower {
return fmt.Errorf("total voting power from the evidence and our validator ...
...Def. 2.4 (Asset Slippage)
* @dev Calculates -Si or -Sj (slippage from and slippage to)
* @param k K slippage parameter in WAD
* @param n N slippage parameter
* @param c1 C1 slippage parameter in WAD
* @param xThreshold xThreshold slippage parameter in WAD
* @param cash ...