Uniswap Token Smart Contract Audit

Project Background

  • This Solidity code defines a contract named `Uni`, which represents a token with functionalities like minting, transferring, approvals, and delegation. Let’s break down its key components:
    • SafeMath Library: This library contains arithmetic functions (`add`, `sub`, `mul`, `div`, `mod`) with overflow/underflow checks to prevent common vulnerabilities like integer overflow/underflow.
    • Uni Contract:
      • Token Metadata: It defines constants for the token’s name, symbol, and decimals.
      • Total Supply: The total token supply is set to 1 billion `UNI` tokens.
      • Minting: The contract allows minting new tokens by a designated `minter`. Minting is subject to certain conditions like a minimum time between mints, a minting cap, and a delay before minting starts.
      • Token Balances and Allowances: Balances and allowances are managed using mappings.
      • Delegation: The contract supports the delegation of voting power. Each address can delegate its voting power to another address.
      • Checkpoint Mechanism: It maintains a historical record of voting power for each address to support delegation.
      • Functions: Functions like `transfer`, `transferFrom`, `approve`, `permit`, `delegate`, and `getCurrentVotes` are provided for token transfers, approvals, and delegation.
    • Modifiers: 
      • require: Used throughout the contract to validate conditions, reverting the transaction if the condition is not met.
    • Events: Events are emitted to log important contract state changes like transfers, approvals, and delegation changes.
  • Overall, this contract provides a standard ERC-20 token functionality along with delegation and permit functionalities, implementing various safety measures to prevent common vulnerabilities.
  • The Uniswap Token smart contracts offer functions such as updating minter addresses and minting new tokens.

Website: uniswap.org

Executive Audit Summary

  • According to the standard audit assessment, the Customer`s solidity smart contracts are “Secured”.  Also, these contracts contain owner control, which does not make them fully decentralized.
  • We used various tools like Slither, Solhint and Remix IDE. At the same time this finding is based on critical analysis of the manual audit.
  • We found 0 critical, 0 high, 0 medium,  0 low and 4 very low-level issues.

Audit Report in PDF


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