Gas Optimizations

[code423n4]

• Use of Multiple require(s) https://github.com/code-423n4/2022-05-cudos/blob/de39cf3cd1f1e1cf211819b06d4acf6a043acda0/solidity/contracts/Gravity.sol#L500

Using multiple require statements is cheaper than using && multiple check combinations. There are more advantages, such as easier to read code and better coverage reports.

Tools Used Visual inspection

require( _currentValset.validators.length == _currentValset.powers.length && _currentValset.validators.length == _v.length && _currentValset.validators.length == _r.length && _currentValset.validators.length == _s.length, "Malformed current validator set" );

-> require(_currentValset.validators.length == _currentValset.powers.length); require(_currentValset.validators.length == _v.length); require(_currentValset.validators.length == _r.length); "Malformed current validator set" );