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Meta House Token

About Meta House

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Token 2 years
CoinMarketCap 24 months

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MetaHouse is the most important part of the MetaWorld ecosystem. Users can choose to purchase their own Metaverse house assets and obtain Metaverse house tokens by staking NFT.

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Laser Scorebeta Last Audit: 2 March 2022

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Token is either risky or in presale. For presale 30+ is a fine score.

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

House.addLiquidity(uint256,uint256) (#750-763) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in House._transfer(address,address,uint256) (#659-697):
External calls:
- swapAndLiquify(contractTokenBalance) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#681)
- recipient.transfer(amount) (#623)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#684)
- _balances[recipient] = _balances[recipient].add(finalAmount) (#692)
- finalAmount = takeFee(sender,recipient,amount) (#686-687)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#777)
Apply the check-effects-interactions pattern.

Additional information: link


Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Contract ticker (Meta House) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.

Low level call in Address.sendValue(address,uint256) (#106-112):
- (success) = recipient.call{value: amount}() (#110)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#131-148):
- (success,returndata) = target.call{value: weiValue}(data) (#134)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

House.addLiquidity(uint256,uint256) (#750-763) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
Ensure that all the return values of the function calls are used.

Additional information: link

House.allowance(address,address).owner (#514) shadows:
- Ownable.owner() (#164-166) (function)
House._approve(address,address,uint256).owner (#537) shadows:
- Ownable.owner() (#164-166) (function)
Rename the local variables that shadow another component.

Additional information: link

House.setBuyTaxes(uint256,uint256,uint256) (#557-563) should emit an event for:
- _totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(_buyTeamFee) (#562)
House.setSelTaxes(uint256,uint256,uint256) (#565-571) should emit an event for:
- _totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(_sellTeamFee) (#570)
House.setDistributionSettings(uint256,uint256,uint256) (#573-579) should emit an event for:
- _liquidityShare = newLiquidityShare (#574)
- _teamShare = newTeamShare (#576)
- _totalDistributionShares = _liquidityShare.add(_marketingShare).add(_teamShare) (#578)
House.setMaxTxAmount(uint256) (#581-583) should emit an event for:
- _maxTxAmount = maxTxAmount (#582)
House.setWalletLimit(uint256) (#593-595) should emit an event for:
- _walletMax = newLimit (#594)
House.setNumTokensBeforeSwap(uint256) (#597-599) should emit an event for:
- minimumTokensBeforeSwap = newLimit (#598)
Emit an event for critical parameter changes.

Additional information: link

House.setMarketingWalletAddress(address).newAddress (#601) lacks a zero-check on :
- marketingWalletAddress = address(newAddress) (#602)
House.setTeamWalletAddress(address).newAddress (#605) lacks a zero-check on :
- teamWalletAddress = address(newAddress) (#606)
Check that the address is not zero.

Additional information: link

Reentrancy in House.changeRouterVersion(address) (#626-643):
External calls:
- newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#634-635)
State variables written after the call(s):
- isMarketPair[address(uniswapPair)] = true (#642)
- isWalletLimitExempt[address(uniswapPair)] = true (#641)
- uniswapPair = newPairAddress (#638)
- uniswapV2Router = _uniswapV2Router (#639)
Reentrancy in House.constructor() (#463-492):
External calls:
- uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#468-469)
State variables written after the call(s):
- _allowances[address(this)][address(uniswapV2Router)] = _totalSupply (#472)
- _balances[_msgSender()] = _totalSupply (#490)
- _totalDistributionShares = _liquidityShare.add(_marketingShare).add(_teamShare) (#479)
- _totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(_buyTeamFee) (#477)
- _totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(_sellTeamFee) (#478)
- isExcludedFromFee[owner()] = true (#474)
- isExcludedFromFee[address(this)] = true (#475)
- isMarketPair[address(uniswapPair)] = true (#488)
- isTxLimitExempt[owner()] = true (#485)
- isTxLimitExempt[address(this)] = true (#486)
- isWalletLimitExempt[owner()] = true (#481)
- isWalletLimitExempt[address(uniswapPair)] = true (#482)
- isWalletLimitExempt[address(this)] = true (#483)
- uniswapV2Router = _uniswapV2Router (#471)
Reentrancy in House.swapAndLiquify(uint256) (#706-728):
External calls:
- swapTokensForEth(tokensForSwap) (#711)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
External calls sending eth:
- transferToAddressETH(marketingWalletAddress,amountBNBMarketing) (#721)
- recipient.transfer(amount) (#623)
- transferToAddressETH(teamWalletAddress,amountBNBTeam) (#724)
- recipient.transfer(amount) (#623)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
State variables written after the call(s):
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- _allowances[owner][spender] = amount (#541)
Reentrancy in House.transferFrom(address,address,uint256) (#653-657):
External calls:
- _transfer(sender,recipient,amount) (#654)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
External calls sending eth:
- _transfer(sender,recipient,amount) (#654)
- recipient.transfer(amount) (#623)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#655)
- _allowances[owner][spender] = amount (#541)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in House._transfer(address,address,uint256) (#659-697):
External calls:
- swapAndLiquify(contractTokenBalance) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#681)
- recipient.transfer(amount) (#623)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#778)
- finalAmount = takeFee(sender,recipient,amount) (#686-687)
- Transfer(sender,recipient,finalAmount) (#694)
Reentrancy in House.constructor() (#463-492):
External calls:
- uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#468-469)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_totalSupply) (#491)
Reentrancy in House.swapAndLiquify(uint256) (#706-728):
External calls:
- swapTokensForEth(tokensForSwap) (#711)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
External calls sending eth:
- transferToAddressETH(marketingWalletAddress,amountBNBMarketing) (#721)
- recipient.transfer(amount) (#623)
- transferToAddressETH(teamWalletAddress,amountBNBTeam) (#724)
- recipient.transfer(amount) (#623)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#542)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
Reentrancy in House.swapTokensForEth(uint256) (#730-748):
External calls:
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
Event emitted after the call(s):
- SwapTokensForETH(tokenAmount,path) (#747)
Reentrancy in House.transferFrom(address,address,uint256) (#653-657):
External calls:
- _transfer(sender,recipient,amount) (#654)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#739-745)
External calls sending eth:
- _transfer(sender,recipient,amount) (#654)
- recipient.transfer(amount) (#623)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#542)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#655)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (#95-104) uses assembly
- INLINE ASM (#102)
Address._functionCallWithValue(address,bytes,uint256,string) (#131-148) uses assembly
- INLINE ASM (#140-143)
Do not use evm assembly.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#131-148) is never used and should be removed
Address.functionCall(address,bytes) (#114-116) is never used and should be removed
Address.functionCall(address,bytes,string) (#118-120) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#122-124) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#126-129) is never used and should be removed
Address.isContract(address) (#95-104) is never used and should be removed
Address.sendValue(address,uint256) (#106-112) is never used and should be removed
Context._msgData() (#22-25) is never used and should be removed
SafeMath.mod(uint256,uint256) (#83-85) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#87-90) is never used and should be removed
Remove unused functions.

Additional information: link

House._totalSupply (#427) is set pre-construction with a non-constant function or state variable:
- 100000000 * 10 ** _decimals
House._maxTxAmount (#428) is set pre-construction with a non-constant function or state variable:
- 100000000 * 10 ** _decimals
House._walletMax (#429) is set pre-construction with a non-constant function or state variable:
- 100000000 * 10 ** _decimals
House.minimumTokensBeforeSwap (#430) is set pre-construction with a non-constant function or state variable:
- 100 * 10 ** _decimals
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#221) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#222) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#238) is not in mixedCase
Function IUniswapV2Router01.WETH() (#257) is not in mixedCase
Parameter House.setSwapAndLiquifyEnabled(bool)._enabled (#609) is not in mixedCase
Variable House._balances (#403) is not in mixedCase
Variable House._buyLiquidityFee (#411) is not in mixedCase
Variable House._buyMarketingFee (#412) is not in mixedCase
Variable House._buyTeamFee (#413) is not in mixedCase
Variable House._sellLiquidityFee (#415) is not in mixedCase
Variable House._sellMarketingFee (#416) is not in mixedCase
Variable House._sellTeamFee (#417) is not in mixedCase
Variable House._liquidityShare (#419) is not in mixedCase
Variable House._marketingShare (#420) is not in mixedCase
Variable House._teamShare (#421) is not in mixedCase
Variable House._totalTaxIfBuying (#423) is not in mixedCase
Variable House._totalTaxIfSelling (#424) is not in mixedCase
Variable House._totalDistributionShares (#425) is not in mixedCase
Variable House._maxTxAmount (#428) is not in mixedCase
Variable House._walletMax (#429) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#23)" inContext (#16-26)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in House._transfer(address,address,uint256) (#659-697):
External calls:
- swapAndLiquify(contractTokenBalance) (#681)
- recipient.transfer(amount) (#623)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#681)
- recipient.transfer(amount) (#623)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#684)
- _balances[recipient] = _balances[recipient].add(finalAmount) (#692)
- finalAmount = takeFee(sender,recipient,amount) (#686-687)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#777)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#778)
- finalAmount = takeFee(sender,recipient,amount) (#686-687)
- Transfer(sender,recipient,finalAmount) (#694)
Reentrancy in House.swapAndLiquify(uint256) (#706-728):
External calls:
- transferToAddressETH(marketingWalletAddress,amountBNBMarketing) (#721)
- recipient.transfer(amount) (#623)
- transferToAddressETH(teamWalletAddress,amountBNBTeam) (#724)
- recipient.transfer(amount) (#623)
External calls sending eth:
- transferToAddressETH(marketingWalletAddress,amountBNBMarketing) (#721)
- recipient.transfer(amount) (#623)
- transferToAddressETH(teamWalletAddress,amountBNBTeam) (#724)
- recipient.transfer(amount) (#623)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
State variables written after the call(s):
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
- _allowances[owner][spender] = amount (#541)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#542)
- addLiquidity(tokensForLP,amountBNBLiquidity) (#727)
Reentrancy in House.transferFrom(address,address,uint256) (#653-657):
External calls:
- _transfer(sender,recipient,amount) (#654)
- recipient.transfer(amount) (#623)
External calls sending eth:
- _transfer(sender,recipient,amount) (#654)
- recipient.transfer(amount) (#623)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#755-762)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#655)
- _allowances[owner][spender] = amount (#541)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#542)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#655)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#262) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#263)
Prevent variables from having similar names.

Additional information: link

Ownable.waiveOwnership() (#173-176) uses literals with too many digits:
- OwnershipTransferred(_owner,address(0x000000000000000000000000000000000000dEaD)) (#174)
Ownable.waiveOwnership() (#173-176) uses literals with too many digits:
- _owner = address(0x000000000000000000000000000000000000dEaD) (#175)
House.slitherConstructorVariables() (#390-785) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#401)
House.slitherConstructorVariables() (#390-785) uses literals with too many digits:
- _totalSupply = 100000000 * 10 ** _decimals (#427)
House.slitherConstructorVariables() (#390-785) uses literals with too many digits:
- _maxTxAmount = 100000000 * 10 ** _decimals (#428)
House.slitherConstructorVariables() (#390-785) uses literals with too many digits:
- _walletMax = 100000000 * 10 ** _decimals (#429)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Ownable.asdasd (#153) is never used in House (#390-785)
Ownable._lockTime (#154) is never used in House (#390-785)
Remove unused state variables.

Additional information: link

House._decimals (#397) should be constant
House._name (#395) should be constant
House._symbol (#396) should be constant
Ownable._lockTime (#154) should be constant
Ownable.asdasd (#153) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

waiveOwnership() should be declared external:
- Ownable.waiveOwnership() (#173-176)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#178-182)
getTime() should be declared external:
- Ownable.getTime() (#184-186)
name() should be declared external:
- House.name() (#494-496)
symbol() should be declared external:
- House.symbol() (#498-500)
decimals() should be declared external:
- House.decimals() (#502-504)
totalSupply() should be declared external:
- House.totalSupply() (#506-508)
allowance(address,address) should be declared external:
- House.allowance(address,address) (#514-516)
increaseAllowance(address,uint256) should be declared external:
- House.increaseAllowance(address,uint256) (#518-521)
decreaseAllowance(address,uint256) should be declared external:
- House.decreaseAllowance(address,uint256) (#523-526)
minimumTokensBeforeSwapAmount() should be declared external:
- House.minimumTokensBeforeSwapAmount() (#528-530)
approve(address,uint256) should be declared external:
- House.approve(address,uint256) (#532-535)
setMarketPairStatus(address,bool) should be declared external:
- House.setMarketPairStatus(address,bool) (#545-547)
setIsExcludedFromFee(address,bool) should be declared external:
- House.setIsExcludedFromFee(address,bool) (#553-555)
setSwapAndLiquifyEnabled(bool) should be declared external:
- House.setSwapAndLiquifyEnabled(bool) (#609-612)
setSwapAndLiquifyByLimitOnly(bool) should be declared external:
- House.setSwapAndLiquifyByLimitOnly(bool) (#614-616)
getCirculatingSupply() should be declared external:
- House.getCirculatingSupply() (#618-620)
changeRouterVersion(address) should be declared external:
- House.changeRouterVersion(address) (#626-643)
transfer(address,uint256) should be declared external:
- House.transfer(address,uint256) (#648-651)
transferFrom(address,address,uint256) should be declared external:
- House.transferFrom(address,address,uint256) (#653-657)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token is deployed only at one blockchain

Contract has 9% buy tax and 9% sell tax.
Taxes are low and contract ownership is renounced.


Unable to find PancakeSwap trading pair to compute liquidity.


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


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Unable to find Discord account


Twitter account has few posts


Unable to crawl data from the website


BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link


Unable to find token/project description on the website or on BscScan, CoinMarketCap


Unable to find token contract audit


Unable to verify token contract address on the website


Unable to find audit link on the website


Unable to find whitepaper link on the website


Unable to find Telegram link on the website


Unable to find Twitter link on the website


Unable to find token on CoinHunt

Additional information: link


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 scam / price dump / death


Token has relatively low CoinGecko rank


Token has relatively low CoinMarketCap rank

Price for Meta House

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