Y2k Finance contest - WilliamAmbrozic's results

Gas Optimization Report

17/09/2022 14:59 Y2K Finance Note: Contracts are ordered as they appear in the repo. Suggestions are ordered by the line they occurred. Tools Used: Remix, Manual Analysis

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PegOracle.sol

Require statements under 32 characters save on gas

• line(s) in question: 23, 24

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StakingRewards.sol

Making public variables immutable saves on gas

id is only defined in the constructor; therefore can be changed to immutable.

• line(s): 41

uint != 0 saves gas relative to uint > 0

• line(s) in question: 134

Suggestion: Change if (reward > 0) to if (reward != 0).

Require statements under 32 characters save on gas

• line(s) in question: 219, 228

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SemiFungibleVault.sol

Require statements under 32 characters save on gas

• line(s) in question: 118

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Vault.sol

Modifiers only used once

• epochHasNotStarted: line 87
• epochHasNotStarted: line 95

Suggestion: in-line the modifiers per function.

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VaultFactory.sol

i += 1 uses more gas than ++i

• line(s) in question: 195

Suggestion: change line 195 from marketIndex += 1 to ++marketIndex.

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