Gas Optimizations

[code423n4]

Table Of Content

• GAS REPORT
  • replace <= and >=
  • Don't cache msg.sender
  • Use custom errors
  • Use assembly opcodes iszero instead of solidity equation to save gas
  • If the function is onlyOwner you may make it payable to reduce gas usage.

GAS REPORT

Don't cache msg.sender

reading msg.sender is 2 gas units which is less than a read of a local var + the unnecessary store operation.

Code Instances:

• Disputes.sol#L101
• HomeFi.sol#L148
• Project.sol#L800
• Community.sol#L578
• Community.sol#L567

Use custom errors

In the following require statements you can use custom errors to save gas and improve code quality.

Code Instances:

• Community.sol#L247
• ProjectFactory.sol#L83
• Community.sol#L240
• Project.sol#L194
• Community.sol#L250

Use assembly opcodes iszero instead of solidity equation to save gas

Code Instances:

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

If the function is onlyOwner you may make it payable to reduce gas usage.

Code Instances:

• Community.sol#L291
• Community.sol#L566
• HomeFi.sol#L140
• DebtToken.sol#L74
• Community.sol#L304