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PERPETUUM is a deflationary token that installs an ethereum and bitcoin mining farm with the benefits of its tokenomy.
With the benefits of the mining rig, the PERPETUUM token is repurchased and then the bought tokens are sent to the dead wallet.
This produces a constant increase in liquidity that helps to raise the price floor, adding liquidity that will never be extracted again by those purchases, hence adding true value to the holders.
Part of the buyback is used again through the tokenomics to the system, therefore being classified as a perpetual system.
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Laser Scorebeta Last Audit: 30 November 2021
Reentrancy in PERPETUUM._transfer(address,address,uint256) (#1145-1202):
External calls:
- swapAndSend(contractTokenBalance) (#1172)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1233-1239)
External calls sending eth:
- swapAndSend(contractTokenBalance) (#1172)
- address(_projectWalletAddress).transfer(projectShare) (#1215)
- address(_teamWalletAddress).transfer(address(this).balance) (#1217)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1196)
- _balances[sender] = senderBalance - amount (#843)
- _balances[recipient] += amount (#845)
- super._transfer(from,to,amount) (#1200)
- _balances[sender] = senderBalance - amount (#843)
- _balances[recipient] += amount (#845)
- swapping = false (#1174)
Apply the check-effects-interactions pattern.
Additional information: link
Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains
PERPETUUM._transfer(address,address,uint256).totalFee (#1186) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.
Additional information: link
PERPETUUM.setSellFee(uint16,uint16) (#1118-1122) should emit an event for:
- totalSellFee = sellFee.projectFee + sellFee.teamFee (#1121)
Emit an event for critical parameter changes.
Additional information: link
PERPETUUM.setProjectWallet(address).wallet (#1108) lacks a zero-check on :
- _projectWalletAddress = wallet (#1109)
Check that the address is not zero.
Additional information: link
Reentrancy in PERPETUUM.updateUniswapV2Router(address) (#1073-1080):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1077-1078)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#1079)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in PERPETUUM.swapAndSend(uint256) (#1204-1220):
External calls:
- swapTokensForEth(tokens) (#1209)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1233-1239)
External calls sending eth:
- address(_projectWalletAddress).transfer(projectShare) (#1215)
- address(_teamWalletAddress).transfer(address(this).balance) (#1217)
Event emitted after the call(s):
- SwapAndSend(tokens,newBalance,projectShare) (#1219)
Apply the check-effects-interactions pattern.
Additional information: link
Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.8.0', '^0.8.6']
- >=0.6.2 (#4)
- >=0.6.2 (#102)
- >=0.5.0 (#148)
- ^0.8.0 (#173)
- ^0.8.0 (#402)
- ^0.8.0 (#486)
- ^0.8.0 (#515)
- ^0.8.0 (#541)
- ^0.8.0 (#614)
- ^0.8.6 (#971)
Use one Solidity version.
Additional information: link
SafeMath.trySub(uint256,uint256) (#204-209) is never used and should be removed
Remove unused functions.
Additional information: link
solc-0.8.7 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.
Additional information: link
Variable PERPETUUM._isBlacklisted (#1014) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Reentrancy in PERPETUUM.swapAndSend(uint256) (#1204-1220):
External calls:
- address(_projectWalletAddress).transfer(projectShare) (#1215)
- address(_teamWalletAddress).transfer(address(this).balance) (#1217)
Event emitted after the call(s):
- SwapAndSend(tokens,newBalance,projectShare) (#1219)
Apply the check-effects-interactions pattern.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#13) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#14)
Prevent variables from having similar names.
Additional information: link
PERPETUUM.deadWallet (#1002) is never used in PERPETUUM (#979-1243)
Remove unused state variables.
Additional information: link
PERPETUUM.isTradingEnabled (#999) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
isExcludedFromFees(address) should be declared external:
- PERPETUUM.isExcludedFromFees(address) (#1141-1143)
Use the external attribute for functions never called from the contract.
Additional information: link
Token is deployed only at one blockchain
Token has only one trading pair
Unable to find PancakeSwap trading pair to compute liquidity.
Unable to find PancakeSwap trading pair to compute number of swaps.
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Unable to find whitepaper link on the website
Young tokens have high risks of price dump / death
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
Token has relatively low CoinMarketCap rank
Price for PRP
LASER DESK beta
Twitter account link seems to be invalid
Telegram account has relatively few subscribers
Unable to find Youtube account