ULTI Coin - Smart Contract Audit Report
Summary
ULTI Coin ($ULTI) is a new DeFi project that automatically provides rewards to users who hold the token via frictionless fee redistribution.
Notes on the Contract:Audit Findings Summary
- ULTI Coin's code implements and builds upon the fee-redistribution features pioneered by Reflect Finance.
- The total supply of the token is 250,000,000,000 $ULTI.
- There is a burn function that will allow holders to send tokens to the burn address. If the owner does not exclude the burn address after deploying, it will participate in the reward distribution (as a regular holder) and increase proportionally to the reflections it receives. This is often used as a deflationary mechanism.
- There is a 6% fee on all transactions for any "non-excluded" address that participates in a transfer.
- There is a 2% fee that is redistributed to existing token holders instantly and automatically at the time of each transaction.
- There is a 2% burn fee that is applied automatically at the time of each transaction.
- There is a 2% fee that is automatically added to the liquidity pool.
- The owner of the contract can exclude and include accounts from transfer fees.
- The owner of the contract can exclude and include accounts from the reward distribution.
- There is no maximum to the number of tokens that can be sent on each transaction.
- Ownership has not been renounced (as ULTI Coin has not been deployed on the mainnet).
- As the project is implemented with solidity version ^0.8.0, it is protected from overflows.
- No external threats were identified.
- We recommend that the team renounces ownership after a successful launch.
- As with any token, please ensure trust in the team prior to investing as they have notable control in the ecosystem.
- Date: June 9th, 2021
Audit Results
Vulnerability Category | Notes | Result |
---|---|---|
Arbitrary Storage Write | N/A | PASS |
Arbitrary Jump | N/A | PASS |
Delegate Call to Untrusted Contract | N/A | PASS |
Dependence on Predictable Variables | N/A | PASS |
Deprecated Opcodes | N/A | PASS |
Ether Thief | N/A | PASS |
Exceptions | N/A | PASS |
External Calls | N/A | PASS |
Flash Loans | N/A | PASS |
Integer Over/Underflow | N/A | PASS |
Multiple Sends | N/A | PASS |
Oracles | N/A | PASS |
Suicide | N/A | PASS |
State Change External Calls | N/A | PASS |
Unchecked Retval | N/A | PASS |
User Supplied Assertion | N/A | PASS |
Critical Solidity Compiler | N/A | PASS |
Overall Contract Safety | PASS |
Function Graph
Inheritence Chart
Functions Overview
($) = payable function
# = non-constant function
+ [Int] IUniswapV2Router01
- [Ext] factory
- [Ext] WETH
- [Ext] addLiquidity #
- [Ext] addLiquidityETH ($)
- [Ext] removeLiquidity #
- [Ext] removeLiquidityETH #
- [Ext] removeLiquidityWithPermit #
- [Ext] removeLiquidityETHWithPermit #
- [Ext] swapExactTokensForTokens #
- [Ext] swapTokensForExactTokens #
- [Ext] swapExactETHForTokens ($)
- [Ext] swapTokensForExactETH #
- [Ext] swapExactTokensForETH #
- [Ext] swapETHForExactTokens ($)
- [Ext] quote
- [Ext] getAmountOut
- [Ext] getAmountIn
- [Ext] getAmountsOut
- [Ext] getAmountsIn
+ [Int] IUniswapV2Factory
- [Ext] feeTo
- [Ext] feeToSetter
- [Ext] getPair
- [Ext] allPairs
- [Ext] allPairsLength
- [Ext] createPair #
- [Ext] setFeeTo #
- [Ext] setFeeToSetter #
+ [Int] IUniswapV2Pair
- [Ext] name
- [Ext] symbol
- [Ext] decimals
- [Ext] totalSupply
- [Ext] balanceOf
- [Ext] allowance
- [Ext] approve #
- [Ext] transfer #
- [Ext] transferFrom #
- [Ext] DOMAIN_SEPARATOR
- [Ext] PERMIT_TYPEHASH
- [Ext] nonces
- [Ext] permit #
- [Ext] MINIMUM_LIQUIDITY
- [Ext] factory
- [Ext] token0
- [Ext] token1
- [Ext] getReserves
- [Ext] price0CumulativeLast
- [Ext] price1CumulativeLast
- [Ext] kLast
- [Ext] mint #
- [Ext] burn #
- [Ext] swap #
- [Ext] skim #
- [Ext] sync #
- [Ext] initialize #
+ Context
- [Int] _msgSender
- [Int] _msgData
+ [Int] IUniswapV2Router02 (IUniswapV2Router01)
- [Ext] removeLiquidityETHSupportingFeeOnTransferTokens #
- [Ext] removeLiquidityETHWithPermitSupportingFeeOnTransferTokens #
- [Ext] swapExactTokensForTokensSupportingFeeOnTransferTokens #
- [Ext] swapExactETHForTokensSupportingFeeOnTransferTokens ($)
- [Ext] swapExactTokensForETHSupportingFeeOnTransferTokens #
+ SwapAndLiquify (Context)
- [Pub] #
- [Ext] ($)
- [Int] isInSwapAndLiquify
- [Pub] withdrawSwapLeftovers #
- [Int] _switchSwapAndLiquify #
- [Int] _swapAndLiquify #
- modifiers: lockTheSwap
- [Prv] _swapTokensForETH #
- [Prv] _addLiquidity #
+ [Lib] EnumerableSet
- [Prv] _add #
- [Prv] _remove #
- [Prv] _contains
- [Prv] _length
- [Prv] _at
- [Int] add #
- [Int] remove #
- [Int] contains
- [Int] length
- [Int] at
- [Int] add #
- [Int] remove #
- [Int] contains
- [Int] length
- [Int] at
- [Int] add #
- [Int] remove #
- [Int] contains
- [Int] length
- [Int] at
+ [Lib] Address
- [Int] isContract
- [Int] sendValue #
- [Int] functionCall #
- [Int] functionCall #
- [Int] functionCallWithValue #
- [Int] functionCallWithValue #
- [Int] functionStaticCall
- [Int] functionStaticCall
- [Int] functionDelegateCall #
- [Int] functionDelegateCall #
- [Prv] _verifyCallResult
+ Ownable (Context)
- [Pub] #
- [Pub] owner
- [Pub] renounceOwnership #
- modifiers: onlyOwner
- [Pub] transferOwnership #
- modifiers: onlyOwner
+ [Int] IERC20
- [Ext] totalSupply
- [Ext] balanceOf
- [Ext] transfer #
- [Ext] allowance
- [Ext] approve #
- [Ext] transferFrom #
+ UltiCoin (Context, IERC20, Ownable, SwapAndLiquify)
- [Pub] #
- modifiers: SwapAndLiquify
- [Pub] name
- [Pub] symbol
- [Pub] decimals
- [Pub] totalSupply
- [Ext] balanceOf
- [Ext] transfer #
- [Ext] allowance
- [Ext] approve #
- [Ext] transferFrom #
- [Ext] increaseAllowance #
- [Ext] decreaseAllowance #
- [Pub] isExcludedFromReward
- [Pub] isExcludedFromFee
- [Pub] totalFees
- [Pub] totalBurned
- [Ext] reflect #
- [Pub] burn #
- [Pub] burnFrom #
- [Pub] reflectionFromToken
- [Pub] tokenFromReflection
- [Ext] excludeFromReward #
- modifiers: onlyOwner
- [Ext] includeInReward #
- modifiers: onlyOwner
- [Ext] excludeFromFee #
- modifiers: onlyOwner
- [Ext] includeInFee #
- modifiers: onlyOwner
- [Ext] switchSwapAndLiquify #
- modifiers: onlyOwner
- [Prv] _balanceOf
- [Prv] _approve #
- [Int] _burn #
- [Prv] _transfer #
- [Prv] _tokenTransfer #
- [Prv] _transferStandard #
- [Prv] _transferToExcluded #
- [Prv] _transferFromExcluded #
- [Prv] _transferBothExcluded #
- [Prv] _emitTransfers #
- [Prv] _takeLiquidity #
- [Prv] _reflectFeeAndBurn #
- [Prv] _getValues
- [Prv] _getValues
- [Prv] _getTValues
- [Prv] _getRTransferAmount
- [Prv] _getRate
- [Prv] _getCurrentSupply