Reentrancy in METAPAY._transfer(address,address,uint256) (#799-835):
External calls:
- swapAndSendToFee(sellTokens) (#821)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#869-875)
External calls sending eth:
- swapAndSendToFee(sellTokens) (#821)
- address(_marketingWallet).transfer(ethToSend) (#842)
State variables written after the call(s):
- _tOwned[from] -= amount (#825)
- transferAmount = _getValues(amount,from) (#830)
- _tOwned[address(this)] += marketingFee + liquidityFee (#781)
- _tOwned[to] += transferAmount (#833)
- swapping = false (#822)
Apply the check-effects-interactions pattern.
Additional information: link
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Contract ownership is not renounced (belongs to a wallet)
METAPAY.allowance(address,address).owner (#740) shadows:
- Ownable.owner() (#419-421) (function)
METAPAY._approve(address,address,uint256).owner (#791) shadows:
- Ownable.owner() (#419-421) (function)
Rename the local variables that shadow another component.
Additional information: link
Reentrancy in METAPAY.constructor() (#697-713):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#702)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#708)
- _isExcludedFromFee[address(this)] = true (#709)
- _isExcludedFromFee[_marketingWallet] = true (#710)
- uniswapV2Pair = _uniswapV2Pair (#705)
- uniswapV2Router = _uniswapV2Router (#704)
Reentrancy in METAPAY.swapAndLiquify() (#845-857):
External calls:
- newBalance = swapTokensForEth(half) (#850)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#869-875)
- addLiquidity(otherHalf,newBalance) (#854)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#884-891)
- (success) = recipient.call{value: amount}() (#304)
- address(_marketingWallet).sendValue(ethAmount - ethFromLiquidity) (#894)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#854)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#884-891)
- (success) = recipient.call{value: amount}() (#304)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#854)
- _allowances[owner][spender] = amount (#795)
Reentrancy in METAPAY.transferFrom(address,address,uint256) (#749-753):
External calls:
- _transfer(sender,recipient,amount) (#750)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#869-875)
External calls sending eth:
- _transfer(sender,recipient,amount) (#750)
- address(_marketingWallet).transfer(ethToSend) (#842)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#751)
- _allowances[owner][spender] = amount (#795)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in METAPAY._transfer(address,address,uint256) (#799-835):
External calls:
- swapAndSendToFee(sellTokens) (#821)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#869-875)
External calls sending eth:
- swapAndSendToFee(sellTokens) (#821)
- address(_marketingWallet).transfer(ethToSend) (#842)
Event emitted after the call(s):
- Transfer(from,address(this),marketingFee + liquidityFee) (#782)
- transferAmount = _getValues(amount,from) (#830)
- Transfer(from,to,transferAmount) (#834)
Reentrancy in METAPAY.constructor() (#697-713):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#702)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#712)
Reentrancy in METAPAY.swapAndLiquify() (#845-857):
External calls:
- newBalance = swapTokensForEth(half) (#850)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#869-875)
- addLiquidity(otherHalf,newBalance) (#854)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#884-891)
- (success) = recipient.call{value: amount}() (#304)
- address(_marketingWallet).sendValue(ethAmount - ethFromLiquidity) (#894)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#854)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#884-891)
- (success) = recipient.call{value: amount}() (#304)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#796)
- addLiquidity(otherHalf,newBalance) (#854)
- SwapAndLiquify(half,newBalance,otherHalf) (#855)
Reentrancy in METAPAY.transferFrom(address,address,uint256) (#749-753):
External calls:
- _transfer(sender,recipient,amount) (#750)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#869-875)
External calls sending eth:
- _transfer(sender,recipient,amount) (#750)
- address(_marketingWallet).transfer(ethToSend) (#842)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#796)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#751)
Apply the check-effects-interactions pattern.
Additional information: link
METAPAY._transfer(address,address,uint256) (#799-835) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(_lastBuy[to] + _buyCooldown < block.timestamp,Must wait til after coooldown to buy) (#813)
METAPAY.addLiquidity(uint256,uint256) (#879-895) uses timestamp for comparisons
Dangerous comparisons:
- ethAmount - ethFromLiquidity > 0 (#893)
Avoid relying on block.timestamp.
Additional information: link
Address.isContract(address) (#273-282) uses assembly
- INLINE ASM (#280)
Address._functionCallWithValue(address,bytes,uint256,string) (#366-387) uses assembly
- INLINE ASM (#379-382)
Do not use evm assembly.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#366-387) is never used and should be removed
Address.functionCall(address,bytes) (#326-328) is never used and should be removed
Address.functionCall(address,bytes,string) (#336-338) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#351-353) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#361-364) is never used and should be removed
Address.isContract(address) (#273-282) is never used and should be removed
Address.sendValue(address,uint256) (#300-306) is never used and should be removed
Context._msgData() (#245-248) is never used and should be removed
METAPAY.addLiquidity(uint256,uint256) (#879-895) is never used and should be removed
METAPAY.swapAndLiquify() (#845-857) is never used and should be removed
SafeMath.add(uint256,uint256) (#108-113) is never used and should be removed
SafeMath.div(uint256,uint256) (#182-184) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#198-204) is never used and should be removed
SafeMath.mod(uint256,uint256) (#218-220) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#234-237) is never used and should be removed
SafeMath.mul(uint256,uint256) (#156-168) is never used and should be removed
SafeMath.sub(uint256,uint256) (#125-127) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (#139-144) is never used and should be removed
Remove unused functions.
Additional information: link
solc-0.8.13 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
Low level call in Address.sendValue(address,uint256) (#300-306):
- (success) = recipient.call{value: amount}() (#304)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#366-387):
- (success,returndata) = target.call{value: weiValue}(data) (#370)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#490) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#491) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#508) is not in mixedCase
Function IUniswapV2Router01.WETH() (#530) is not in mixedCase
Variable METAPAY._maxTxAmount (#680) is not in mixedCase
Constant METAPAY._name (#682) is not in UPPER_CASE_WITH_UNDERSCORES
Constant METAPAY._symbol (#683) is not in UPPER_CASE_WITH_UNDERSCORES
Constant METAPAY._decimals (#684) is not in UPPER_CASE_WITH_UNDERSCORES
Variable METAPAY._marketingFee (#686) is not in mixedCase
Variable METAPAY._liquidityFee (#687) is not in mixedCase
Variable METAPAY._marketingWallet (#688) is not in mixedCase
Variable METAPAY._buyCooldown (#690) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#246)" inContext (#240-249)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Reentrancy in METAPAY._transfer(address,address,uint256) (#799-835):
External calls:
- swapAndSendToFee(sellTokens) (#821)
- address(_marketingWallet).transfer(ethToSend) (#842)
State variables written after the call(s):
- _tOwned[from] -= amount (#825)
- transferAmount = _getValues(amount,from) (#830)
- _tOwned[address(this)] += marketingFee + liquidityFee (#781)
- _tOwned[to] += transferAmount (#833)
- swapping = false (#822)
Event emitted after the call(s):
- Transfer(from,address(this),marketingFee + liquidityFee) (#782)
- transferAmount = _getValues(amount,from) (#830)
- Transfer(from,to,transferAmount) (#834)
Reentrancy in METAPAY.transferFrom(address,address,uint256) (#749-753):
External calls:
- _transfer(sender,recipient,amount) (#750)
- address(_marketingWallet).transfer(ethToSend) (#842)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#751)
- _allowances[owner][spender] = amount (#795)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#796)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#751)
Apply the check-effects-interactions pattern.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#535) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#536)
Prevent variables from having similar names.
Additional information: link
Address.sendValue(address,uint256) (#300-306) uses literals with too many digits:
- recipient = address(0x000000000000000000000000000000000000dEaD) (#302)
METAPAY.slitherConstructorVariables() (#667-897) uses literals with too many digits:
- _tTotal = 1000000000000 * 10 ** 9 (#679)
METAPAY.slitherConstructorVariables() (#667-897) uses literals with too many digits:
- _maxTxAmount = 1000000000000 * 10 ** 9 (#680)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
METAPAY._buyCooldown (#690) should be constant
METAPAY._liquidityFee (#687) should be constant
METAPAY._marketingFee (#686) should be constant
METAPAY._marketingWallet (#688) should be constant
METAPAY._maxTxAmount (#680) should be constant
METAPAY._tTotal (#679) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#438-441)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#447-451)
name() should be declared external:
- METAPAY.name() (#715-717)
symbol() should be declared external:
- METAPAY.symbol() (#719-721)
decimals() should be declared external:
- METAPAY.decimals() (#723-725)
totalSupply() should be declared external:
- METAPAY.totalSupply() (#727-729)
transfer(address,uint256) should be declared external:
- METAPAY.transfer(address,uint256) (#735-738)
allowance(address,address) should be declared external:
- METAPAY.allowance(address,address) (#740-742)
approve(address,uint256) should be declared external:
- METAPAY.approve(address,uint256) (#744-747)
transferFrom(address,address,uint256) should be declared external:
- METAPAY.transferFrom(address,address,uint256) (#749-753)
increaseAllowance(address,uint256) should be declared external:
- METAPAY.increaseAllowance(address,uint256) (#755-758)
decreaseAllowance(address,uint256) should be declared external:
- METAPAY.decreaseAllowance(address,uint256) (#760-763)
excludeFromFee(address) should be declared external:
- METAPAY.excludeFromFee(address) (#765-767)
includeInFee(address) should be declared external:
- METAPAY.includeInFee(address) (#769-771)
isExcludedFromFee(address) should be declared external:
- METAPAY.isExcludedFromFee(address) (#787-789)
Use the external attribute for functions never called from the contract.
Additional information: link
Unable to find website, listings and other project-related information
Young tokens have high risks of scam / price dump / death
Token has no active CoinGecko listing / rank
Token has no active CoinMarketCap listing / rank
Unable to find Telegram and Twitter accounts