Gas Optimizations

[code423n4]

Table Of Content

• [GAS] Cache array size
• [GAS] Do not cache msg.sender since loading msg.sender is more efficient than a local variable
• [GAS] Use > instead != to compare uint with 0
• [GAS] In the following revert statements consider using custom error instead a message
• [GAS] Use assembly opcodes iszero in the following locations
• [GAS] Mark as payable If has onlyOwner modifier

GAS REPORT

[GAS] Cache array size

You can cache the array size to improve gas usage in the following locations
Example: Project.sol#L602

[GAS] Do not cache msg.sender since loading msg.sender is more efficient than a local variable

Proof of concept:

• Community.sol#L403
• Project.sol#L326
• Community.sol#L533

[GAS] Use > instead != to compare uint with 0

Proof of concept:

• Community.sol#L763
• Project.sol#L194

[GAS] In the following revert statements consider using custom error instead a message

Proof of concept:

• Community.sol#L383
• Community.sol#L240
• Project.sol#L152

[GAS] Use assembly opcodes iszero in the following locations

Proof of concept:

• Project.sol#L512
• Community.sol#L271

[GAS] Mark as payable If has onlyOwner modifier

In order to save gas you can put a payable modifier for functions that are called by protocol owners.

Proof of concept:

• Community.sol#L466
• HomeFiProxy.sol#L154
• Disputes.sol#L88