Gas Optimizations

[code423n4]

1. In canSafeBoostVault function at TurboBooster.sol#L100, both arguments safe and feiAmount are never considered in the function and hence could be removed

2. In boost function at TurboSafe.sol#L171 is not checking zero value check for feiAmount. Add a condition

require(feiAmount>0,"Invalid value");

3. In less function at TurboSafe.sol#L226, it is not verified if feiDebt is not zero. Add a check

require(feiDebt>0,"No Debt")

4. In slurp function at TurboSafe.sol#L272, add a check to verify that safeInterestAmount >0. Add below condition:

if(interestEarned>0){return;}  // returing since this is valid scenario if getFeePercentageForSafe is 100%

5. In impound function at TurboGibber.sol#L74, add below missing checks:

require(to!=address(0),"Invalid address");
require(assetAmount>0,"Invalid amount");
require(feiAmount>0,"Invalid amount");

6. In impoundAll function at TurboGibber.sol#L98, add below missing checks:

require(to!=address(0),"Invalid address");

[GalloDaSballo]

I don't believe the sponsor will apply any of this advice

3/10