Gas Optimizations

[code423n4]

Issues found

Don't Initialize Variables with Default Value

Impact

Issue Information: G001 - variables with default value

Findings:

CitadelMinter.sol::152 => for (uint256 i = 0; i < numPools; i++) {
CitadelMinter.sol::180 => uint256 lockingAmount = 0;
CitadelMinter.sol::181 => uint256 stakingAmount = 0;
CitadelMinter.sol::182 => uint256 fundingAmount = 0;
SupplySchedule.sol::103 => uint256 mintable = 0;
SupplySchedule.sol::192 => uint256 mintable = 0;
lib/GlobalAccessControlManaged.sol::47 => bool validRoleFound = false;
lib/GlobalAccessControlManaged.sol::48 => for (uint256 i = 0; i < roles.length; i++) {
test/BaseFixture.sol::293 => for (uint256 i = 0; i < numAddressesToTrack; i++) {

Cache Array Length Outside of Loop

Impact

Issue Information: G002 - array length outside loop

Findings:

CitadelMinter.sol::344 => for (uint256 i; i < length; ++i) {
lib/GlobalAccessControlManaged.sol::48 => for (uint256 i = 0; i < roles.length; i++) {
lib/SafeERC20.sol::96 => if (returndata.length > 0) {
test/utils/SnapshotUtils.sol::16 => for (uint256 i; i < length; ++i) {
test/utils/SnapshotUtils.sol::41 => if (address(MULTICALL).code.length == 0) {
test/utils/SnapshotUtils.sol::66 => for (uint256 i; i < length; ++i) {

Long Revert Strings

Impact

Issue Information: G007 - long (revert) strings

Findings:

CitadelMinter.sol::301 => "CitadelMinter: Sum of propvalues must be 10000 bps"
CitadelMinter.sol::321 => "CitadelMinter: last mint timestamp already initialized"
CitadelMinter.sol::328 => "CitadelMinter: supply schedule start not initialized"
CitadelMinter.sol::370 => "CitadelMinter: funding pool does not exist for removal"
CitadelMinter.sol::377 => "CitadelMinter: funding pool already exists"
Funding.sol::148 => "Funding: citadel price from oracle flagged and pending review"
Funding.sol::298 => "cannot decrease cap below global sum of assets in"
Funding.sol::325 => "cannot sweep funding asset, use claimAssetToTreasury()"
Funding.sol::390 => "Funding: sale recipient should not be zero"
GlobalAccessControl.sol::118 => "Role string and role do not match"
KnightingRound.sol::122 => "KnightingRound: start date may not be in the past"
KnightingRound.sol::126 => "KnightingRound: the sale duration must not be zero"
KnightingRound.sol::130 => "KnightingRound: the price must not be zero"
KnightingRound.sol::134 => "KnightingRound: sale recipient should not be zero"
KnightingRound.sol::273 => require(!finalized, "KnightingRound: already finalized");
KnightingRound.sol::277 => "KnightingRound: not enough balance"
KnightingRound.sol::295 => "KnightingRound: start date may not be in the past"
KnightingRound.sol::297 => require(!finalized, "KnightingRound: already finalized");
KnightingRound.sol::314 => "KnightingRound: the sale duration must not be zero"
KnightingRound.sol::316 => require(!finalized, "KnightingRound: already finalized");
KnightingRound.sol::333 => "KnightingRound: the price must not be zero"
KnightingRound.sol::351 => "KnightingRound: sale recipient should not be zero"
KnightingRound.sol::384 => require(!finalized, "KnightingRound: already finalized");
StakedCitadel.sol::192 => "performanceFeeGovernance too high"
StakedCitadel.sol::196 => "performanceFeeStrategist too high"
StakedCitadel.sol::508 => "Please withdrawToVault before changing strat"
StakedCitadel.sol::537 => "performanceFeeStrategist too high"
StakedCitadel.sol::632 => "Excessive strategist performance fee"
StakedCitadel.sol::652 => "Excessive governance performance fee"
StakedCitadelVester.sol::137 => require(msg.sender == vault, "StakedCitadelVester: only xCTDL vault");
StakedCitadelVester.sol::138 => require(_amount > 0, "StakedCitadelVester: cannot vest 0");
SupplySchedule.sol::62 => "SupplySchedule: minting not started"
SupplySchedule.sol::92 => "SupplySchedule: minting not started"
SupplySchedule.sol::96 => "SupplySchedule: already minted up to current block"
SupplySchedule.sol::139 => "SupplySchedule: minting already started"
SupplySchedule.sol::143 => "SupplySchedule: minting must start at or after current time"
SupplySchedule.sol::157 => "SupplySchedule: rate already set for given epoch"
SupplySchedule.sol::181 => "SupplySchedule: minting not started"
SupplySchedule.sol::185 => "SupplySchedule: attempting to mint before start block"
SupplySchedule.sol::189 => "SupplySchedule: already minted up to current block"
SupplySchedule.sol::227 => "total mintable after this iteration",

Prefix increments are cheaper than postfix increments

Impact

Issue Information: G009 - Prefix increments are cheaper than postfix increments

Findings:

CitadelMinter.sol::152 => for (uint256 i = 0; i < numPools; i++) {
SupplySchedule.sol::208 => for (uint256 i = startingEpoch; i <= endingEpoch; i++) {
lib/GlobalAccessControlManaged.sol::48 => for (uint256 i = 0; i < roles.length; i++) {
test/BaseFixture.sol::293 => for (uint256 i = 0; i < numAddressesToTrack; i++) {
test/utils/Utils.sol::21 => digits++;