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code-423n4 / 2022-10-thegraph-findings

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Gas Optimizations #129

Closed code423n4 closed 1 year ago

code423n4 commented 1 year ago

1. Use Custom Error instead of require

Almost in every contract, require is used. Custom Errors are a more gas-efficient approach. Changes needs to be make in these files:

- contracts/upgrades/GraphUpgradeable.sol
- contracts/governance/Governed.sol
- contracts/l2/token/L2GraphToken.sol
- contracts/upgrades/GraphProxyAdmin.sol
- contracts/upgrades/GraphProxyStorage.sol
- contracts/upgrades/GraphProxy.sol
- contracts/governance/Managed.sol
- contracts/l2/token/GraphTokenUpgradeable.sol
- contracts/l2/gateway/L2GraphTokenGateway.sol
- contracts/gateway/L1GraphTokenGateway.sol
- contracts/gateway/GraphTokenGateway.sol

2. Use at least 0.8.4 or higher compiler version

0.8.4 or higher compiler versions provide inbuilt gas optimizations :)