METAPUNK Token

Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

Reentrancy in METAPUNK._transfer(address,address,uint256) (#352-446):
External calls:
- swapTokensForEth(swapAmount) (#374)
- pancakeV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp + 300) (#457-463)
External calls sending eth:
- address(walletMarketing).transfer(marketingAmount) (#384)
- address(walletStakingReward).transfer(stakeAmount) (#385)
- address(walletDevelopment).transfer(devAmount) (#386)
State variables written after the call(s):
- super._transfer(from,address(this),fee) (#441)
- _balances[sender] = _balances[sender].sub(amount,BEP20: transfer amount exceeds balance) (#139)
- _balances[recipient] = _balances[recipient].add(amount) (#140)
- super._transfer(from,to,amount) (#445)
- _balances[sender] = _balances[sender].sub(amount,BEP20: transfer amount exceeds balance) (#139)
- _balances[recipient] = _balances[recipient].add(amount) (#140)
Apply the check-effects-interactions pattern.

Additional information: link

METAPUNK._totalSupply (#234) shadows:
- BEP20._totalSupply (#71)
Remove the state variable shadowing.

Additional information: link

METAPUNK.recoverWrongTokens(address,uint256) (#467-469) ignores return value by IBEP20(_tokenAddress).transfer(address(msg.sender),_tokenAmount) (#468)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

METAPUNK._transfer(address,address,uint256) (#352-446) uses a dangerous strict equality:
- launchTime == 0 (#362)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Combination 3: Reentrancy vulnerabilities + Unchecked transfer vulnerability. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

METAPUNK.update3rdPhaseTax(uint256,uint256,uint256,uint256,uint256,uint256) (#338-350) should emit an event for:
- fee3rdPhaseBuyMarketing = buyMarketingFee (#343)
- fee3rdPhaseBuyDevelopment = buyDevelopmentFee (#344)
- fee3rdPhaseBuyStaking = buyStakingRewardFee (#345)
- fee3rdPhaseSellMarketing = sellMarketingFee (#347)
- fee3rdPhaseSellDevelopment = sellDevelopmentFee (#348)
- fee3rdPhaseSellStaking = sellStakingRewardFee (#349)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in METAPUNK.constructor() (#255-275):
External calls:
- _pancakeV2Pair = IPancakeV2Factory(_pancakeV2Router.factory()).createPair(address(this),_pancakeV2Router.WETH()) (#259-260)
State variables written after the call(s):
- _mint(owner(),_totalSupply) (#273)
- _balances[account] = _balances[account].add(amount) (#150)
- _isExcludedFromFees[owner()] = true (#266)
- _isExcludedFromFees[address(this)] = true (#267)
- _mint(owner(),_totalSupply) (#273)
- _totalSupply = _totalSupply.add(amount) (#149)
- pancakeV2Pair = _pancakeV2Pair (#263)
- pancakeV2Router = _pancakeV2Router (#262)
- walletDevelopment = owner() (#270)
- walletMarketing = owner() (#269)
- walletStakingReward = owner() (#271)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in METAPUNK.constructor() (#255-275):
External calls:
- _pancakeV2Pair = IPancakeV2Factory(_pancakeV2Router.factory()).createPair(address(this),_pancakeV2Router.WETH()) (#259-260)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#151)
- _mint(owner(),_totalSupply) (#273)
Apply the check-effects-interactions pattern.

Additional information: link

METAPUNK._transfer(address,address,uint256) (#352-446) uses timestamp for comparisons
Dangerous comparisons:
- launchTime == 0 (#362)
- block.timestamp <= launchTime.add(2592000) (#400)
- block.timestamp > launchTime.add(2592000) && block.timestamp <= launchTime.add(7776000) (#410)
Avoid relying on block.timestamp.

Additional information: link

SafeMath.trySub(uint256,uint256) (#491-494) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.9 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 METAPUNK._totalSupply (#234) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#14)" inContext (#8-17)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in METAPUNK._transfer(address,address,uint256) (#352-446):
External calls:
- address(walletMarketing).transfer(marketingAmount) (#384)
- address(walletStakingReward).transfer(stakeAmount) (#385)
- address(walletDevelopment).transfer(devAmount) (#386)
State variables written after the call(s):
- super._transfer(from,address(this),fee) (#441)
- _balances[sender] = _balances[sender].sub(amount,BEP20: transfer amount exceeds balance) (#139)
- _balances[recipient] = _balances[recipient].add(amount) (#140)
- super._transfer(from,to,amount) (#445)
- _balances[sender] = _balances[sender].sub(amount,BEP20: transfer amount exceeds balance) (#139)
- _balances[recipient] = _balances[recipient].add(amount) (#140)
- accumulatedForDev = accumulatedForDev.add(feeAmountDevelopment) (#438)
- accumulatedForMarketing = accumulatedForMarketing.add(feeAmountMarketing) (#436)
- accumulatedForStake = accumulatedForStake.add(feeAmountStakingReward) (#437)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#141)
- super._transfer(from,to,amount) (#445)
- Transfer(sender,recipient,amount) (#141)
- super._transfer(from,address(this),fee) (#441)
Apply the check-effects-interactions pattern.

Additional information: link

Variable METAPUNK.fee2ndPhaseBuyStaking (#219) is too similar to METAPUNK.fee3rdPhaseBuyStaking (#226)
Prevent variables from having similar names.

Additional information: link

METAPUNK.slitherConstructorVariables() (#204-481) uses literals with too many digits:
- _totalSupply = 100000000 * (10 ** 18) (#234)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

METAPUNK._totalSupply (#234) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

update3rdPhaseTax(uint256,uint256,uint256,uint256,uint256,uint256) should be declared external:
- METAPUNK.update3rdPhaseTax(uint256,uint256,uint256,uint256,uint256,uint256) (#338-350)
Use the external attribute for functions never called from the contract.

Additional information: link

Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.

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 volume.

Unable to find PancakeSwap trading pair to compute number of swaps.

Unable to find website, listings and other project-related information

Young tokens have high risks of price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank