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LithToken - Audit Report

Summary

LITH Audit Report LithToken ($LITH) is a new community-driven DeFi token on the Ethereum Blockchain that is an automatic liquidity providing protocol that pays out static rewards to holders.

LithToken's contract is deployed at 0xf8A4A419c2d7140e49eF952a7e7Ae1Bd4A8b6B9C on the Ethereum mainnet.

Notes on the Contract:
  • The total supply of the token is initially set to ten billion $LITH [10,000,000,000].
  • No minting or burn functions are present; and holders are not allowed to send tokens to the burn address. Tokens can be sent to the burn address upon deployment. If the owner does not exclude the burn address, it will participate in the reward distribution (as a regular holder) and increase proportionally to the rewards it receives. This is often used as a deflationary mechanism.
  • 40% of the total $LITH supply was burned upon deployment. At the time of writing this report, 41.17% of the total supply has been burned.
  • At the time of writing, 2.55% of the total supply is in UniswapV2 Liquidity.
  • 100% of that liquidity is locked in a contract and will vest to the team on Tuesday, November 30th 2021.
  • There are 5 addresses (not including burn address) that each contain more $LITH than the amount that is in liquidity.

  • There is a 'tax fee' and 'liquidity fee' on all transactions for any "non-excluded" address that participates in a transfer. The owner has the ability to modify these fees to any percentage at any time.
  • A portion of the tax fee is redistributed to existing token holders instantly and automatically at the time of each transaction.
  • The liquidity fee charged on transactions is stored in the contract and, once a threshold value is met, used to fund Uniswap liquidity. This functionality can be enabled/disabled by the owner.
  • Liquidity-adds are funded by selling a portion of the tokens collected as fees (after the threshhold as determined by the owner is met), then pairing the received ETH with the token, and adding it as liquidity to the ETH pair.
  • The recipient of these newly created LP tokens (as a result of this process) is the Owner of the contract.
  • The owner of the contract can exclude and include accounts from transfer fees and reward distribution.
  • The owner has the ability to set and update a maximum transaction percent at any time, which will impose a limit to the number of tokens that can be transferred during any given transaction.
  • This maximum transaction amount does not apply to the owner during transactions where the owner is either the sender or the recipient.
  • The owner has the ability to use the "lock" function in order to temporarily set ownership to address(0). Ownership is restored after the duration of time determined by the owner has passed and they use the 'unlock' function. Ownership can additionally be restored (even if ownership was previously renounced), by using the unlock function a second time.
  • Ownership has not been renounced.
  • The contract utilizes SafeMath libraries along with following the ERC20 standard.
Audit Findings Summary
  • No external vulnerabilities were identified within the smart contract's code.
  • In its current state, the token allocation is considered unhealthy, as there are several $LITH holders that own more than the amount that is currently in liquidity.
  • We strongly recommend that the team renounces ownership.
  • Please ensure trust in the team prior to investing as they have substantial control within the ecosystem.
  • Date: June 26th, 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

ERC20 Token Graph


Inheritence Chart

Multi-file Token


Functions Overview


 ($) = payable function
 # = non-constant function
 
 + [Int] IERC20 
    - [Ext] totalSupply
    - [Ext] balanceOf
    - [Ext] transfer #
    - [Ext] allowance
    - [Ext] approve #
    - [Ext] transferFrom #

 + [Lib] SafeMath 
    - [Int] add
    - [Int] sub
    - [Int] sub
    - [Int] mul
    - [Int] div
    - [Int] div
    - [Int] mod
    - [Int] mod

 +  Context 
    - [Int] _msgSender
    - [Int] _msgData

 + [Lib] Address 
    - [Int] isContract
    - [Int] sendValue #
    - [Int] functionCall #
    - [Int] functionCall #
    - [Int] functionCallWithValue #
    - [Int] functionCallWithValue #
    - [Prv] _functionCallWithValue #

 +  Ownable (Context)
    - [Int]  #
    - [Pub] owner
    - [Pub] renounceOwnership #
       - modifiers: onlyOwner
    - [Pub] transferOwnership #
       - modifiers: onlyOwner
    - [Pub] geUnlockTime
    - [Pub] lock #
       - modifiers: onlyOwner
    - [Pub] unlock #

 + [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 #

 + [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] IUniswapV2Router02 (IUniswapV2Router01)
    - [Ext] removeLiquidityETHSupportingFeeOnTransferTokens #
    - [Ext] removeLiquidityETHWithPermitSupportingFeeOnTransferTokens #
    - [Ext] swapExactTokensForTokensSupportingFeeOnTransferTokens #
    - [Ext] swapExactETHForTokensSupportingFeeOnTransferTokens ($)
    - [Ext] swapExactTokensForETHSupportingFeeOnTransferTokens #

 +  LITH (Context, IERC20, Ownable)
    - [Pub]  #
    - [Pub] name
    - [Pub] symbol
    - [Pub] decimals
    - [Pub] totalSupply
    - [Pub] balanceOf
    - [Pub] transfer #
    - [Pub] allowance
    - [Pub] approve #
    - [Pub] transferFrom #
    - [Pub] increaseAllowance #
    - [Pub] decreaseAllowance #
    - [Pub] isExcludedFromReward
    - [Pub] totalFees
    - [Pub] deliver #
    - [Pub] reflectionFromToken
    - [Pub] tokenFromReflection
    - [Pub] excludeFromReward #
       - modifiers: onlyOwner
    - [Ext] includeInReward #
       - modifiers: onlyOwner
    - [Prv] _transferBothExcluded #
    - [Pub] excludeFromFee #
       - modifiers: onlyOwner
    - [Pub] includeInFee #
       - modifiers: onlyOwner
    - [Ext] setTaxFeePercent #
       - modifiers: onlyOwner
    - [Ext] setLiquidityFeePercent #
       - modifiers: onlyOwner
    - [Ext] setMaxTxPercent #
       - modifiers: onlyOwner
    - [Pub] setSwapAndLiquifyEnabled #
       - modifiers: onlyOwner
    - [Ext]  ($)
    - [Prv] _reflectFee #
    - [Prv] _getValues
    - [Prv] _getTValues
    - [Prv] _getRValues
    - [Prv] _getRate
    - [Prv] _getCurrentSupply
    - [Prv] _takeLiquidity #
    - [Prv] calculateTaxFee
    - [Prv] calculateLiquidityFee
    - [Prv] removeAllFee #
    - [Prv] restoreAllFee #
    - [Pub] isExcludedFromFee
    - [Prv] _approve #
    - [Prv] _transfer #
    - [Prv] swapAndLiquify #
       - modifiers: lockTheSwap
    - [Prv] swapTokensForEth #
    - [Prv] addLiquidity #
    - [Prv] _tokenTransfer #
    - [Prv] _transferStandard #
    - [Prv] _transferToExcluded #
    - [Prv] _transferFromExcluded #