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Dance Lion Token

About Dance Lion

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舞狮子是我国优秀的民间艺术,每逢元宵佳节或集会庆典,民间都以狮舞前来助兴。这一习俗起源于三国时期,南北朝时开始流行,至今已有一千多年的历史。

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Laser Scorebeta Last Audit: 14 February 2022

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Code:


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

DanTOKEN.swapAndLiquify(uint256) (#884-913) sends eth to arbitrary user
Dangerous calls:
- marketingAddress.transfer(address(this).balance) (#909)
DanTOKEN.swapETHForTokens(uint256) (#943-956) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens.value(amount)(0,path,deadAddress,block.timestamp.add(300)) (#950-955)
DanTOKEN.addLiquidity(uint256,uint256) (#959-973) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in DanTOKEN._transfer(address,address,uint256) (#801-833):
External calls:
- swapAndLiquify(numTokensSell) (#826)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
External calls sending eth:
- swapAndLiquify(numTokensSell) (#826)
- recipient.transfer(amount) (#919)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- marketingAddress.transfer(address(this).balance) (#909)
State variables written after the call(s):
- _tokenTransfer(from,to,value,saleFlag) (#830)
- _gonBalances[sender] = _gonBalances[sender].sub(gonValue) (#856)
- _gonBalances[address(this)] = _gonBalances[address(this)].add(rFee) (#880)
- _gonBalances[recipient] = _gonBalances[recipient].add(gonValue) (#857)
- _gonBalances[sender] = _gonBalances[sender].sub(gonDeduct) (#848)
- _gonBalances[recipient] = _gonBalances[recipient].add(gonValue) (#849)
Apply the check-effects-interactions pattern.

Additional information: link

DanTOKEN.burnAutoLP() (#1094-1100) ignores return value by uniswapV2Pair.transfer(owner(),balance) (#1099)
DanTOKEN.recoverWrongTokens(address,uint256) (#1131-1135) ignores return value by IERC20(_tokenAddress).transfer(address(msg.sender),_tokenAmount) (#1133)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Ownable._lockTime (#277) is never initialized. It is used in:
- Ownable.getUnlockTime() (#328-330)
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


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.


Combination 2: Unchecked transfer + 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.


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.

Contract ticker (Dance Lion) 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.

DanTOKEN.addLiquidity(uint256,uint256) (#959-973) ignores return value by uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
Ensure that all the return values of the function calls are used.

Additional information: link

ERC20Detailed.constructor(string,string,uint8).name (#520) shadows:
- ERC20Detailed.name() (#529-531) (function)
ERC20Detailed.constructor(string,string,uint8).symbol (#520) shadows:
- ERC20Detailed.symbol() (#537-539) (function)
ERC20Detailed.constructor(string,string,uint8).decimals (#520) shadows:
- ERC20Detailed.decimals() (#553-555) (function)
DanTOKEN._approve(address,address,uint256).owner (#994) shadows:
- Ownable.owner() (#298-300) (function)
Rename the local variables that shadow another component.

Additional information: link

DanTOKEN.setMaster(address,address) (#704-711) should emit an event for:
- master = _master (#709)
Emit an event for critical parameter changes.

Additional information: link

DanTOKEN.constructor(address,address)._marketingAddress (#664) lacks a zero-check on :
- marketingAddress = _marketingAddress (#669)
- master = _marketingAddress (#670)
DanTOKEN.setMaster(address,address)._master (#704) lacks a zero-check on :
- master = _master (#709)
DanTOKEN.setMaster(address,address)._marketingAddress (#704) lacks a zero-check on :
- marketingAddress = _marketingAddress (#710)
DanTOKEN.setMaster(address)._marketingAddress (#717) lacks a zero-check on :
- marketingAddress = _marketingAddress (#723)
DanTOKEN.setLP(address)._lp (#729) lacks a zero-check on :
- lp = _lp (#734)
DanTOKEN.burnBNB(address).burnAddress (#1117) lacks a zero-check on :
- burnAddress.transfer(address(this).balance) (#1118)
Check that the address is not zero.

Additional information: link

Reentrancy in DanTOKEN.constructor(address,address) (#664-697):
External calls:
- uniswapV2PairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#673-674)
State variables written after the call(s):
- _gonBalances[msg.sender] = TOTAL_GONS (#687)
- _gonsPerFragment = TOTAL_GONS.div(_totalSupply) (#688)
- _isExcluded[owner()] = true (#693)
- _isExcluded[address(this)] = true (#694)
- _totalSupply = INITIAL_FRAGMENTS_SUPPLY (#686)
- initialDistributionFinished = false (#690)
- setLP(uniswapV2PairAddress) (#678)
- lp = _lp (#734)
- setLP(uniswapV2PairAddress) (#678)
- lpContract = ILP(_lp) (#735)
- uniswapV2Pair = _uniswapV2Pair (#682)
- uniswapV2Router = _uniswapV2Router (#676)
Reentrancy in DanTOKEN.swapAndLiquify(uint256) (#884-913):
External calls:
- swapTokensForEth(threequarters) (#896)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
External calls sending eth:
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
State variables written after the call(s):
- addLiquidity(onequarter,sharedETH) (#904)
- _allowedFragments[owner][spender] = value (#998)
Reentrancy in DanTOKEN.transferFrom(address,address,uint256) (#784-792):
External calls:
- _transfer(sender,recipient,amount) (#789)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
External calls sending eth:
- _transfer(sender,recipient,amount) (#789)
- recipient.transfer(amount) (#919)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- marketingAddress.transfer(address(this).balance) (#909)
State variables written after the call(s):
- _approve(sender,msg.sender,_allowedFragments[sender][msg.sender].sub(amount)) (#790)
- _allowedFragments[owner][spender] = value (#998)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in DanTOKEN._transfer(address,address,uint256) (#801-833):
External calls:
- swapAndLiquify(numTokensSell) (#826)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
External calls sending eth:
- swapAndLiquify(numTokensSell) (#826)
- recipient.transfer(amount) (#919)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- marketingAddress.transfer(address(this).balance) (#909)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#858)
- _tokenTransfer(from,to,value,saleFlag) (#830)
- Transfer(sender,recipient,amount) (#851)
- _tokenTransfer(from,to,value,saleFlag) (#830)
Reentrancy in DanTOKEN.constructor(address,address) (#664-697):
External calls:
- uniswapV2PairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#673-674)
Event emitted after the call(s):
- Transfer(address(0x0),msg.sender,_totalSupply) (#696)
Reentrancy in DanTOKEN.swapAndLiquify(uint256) (#884-913):
External calls:
- swapTokensForEth(threequarters) (#896)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
External calls sending eth:
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
Event emitted after the call(s):
- Approval(owner,spender,value) (#999)
- addLiquidity(onequarter,sharedETH) (#904)
Reentrancy in DanTOKEN.swapAndLiquify(uint256) (#884-913):
External calls:
- swapTokensForEth(threequarters) (#896)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
External calls sending eth:
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- transferToAddressETH(marketingAddress,sharedETH) (#907)
- recipient.transfer(amount) (#919)
- marketingAddress.transfer(address(this).balance) (#909)
Event emitted after the call(s):
- SwapAndLiquify(threequarters,sharedETH,onequarter) (#911)
Reentrancy in DanTOKEN.transferFrom(address,address,uint256) (#784-792):
External calls:
- _transfer(sender,recipient,amount) (#789)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (#933-939)
External calls sending eth:
- _transfer(sender,recipient,amount) (#789)
- recipient.transfer(amount) (#919)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- marketingAddress.transfer(address(this).balance) (#909)
Event emitted after the call(s):
- Approval(owner,spender,value) (#999)
- _approve(sender,msg.sender,_allowedFragments[sender][msg.sender].sub(amount)) (#790)
Apply the check-effects-interactions pattern.

Additional information: link

DanTOKEN.swapETHForTokens(uint256) (#943-956) is never used and should be removed
SafeMath.mod(uint256,uint256) (#422-425) is never used and should be removed
SafeMathInt.abs(int256) (#498-505) is never used and should be removed
SafeMathInt.add(int256,int256) (#485-493) is never used and should be removed
SafeMathInt.div(int256,int256) (#457-467) is never used and should be removed
SafeMathInt.mul(int256,int256) (#441-452) is never used and should be removed
SafeMathInt.sub(int256,int256) (#472-480) is never used and should be removed
Remove unused functions.

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#95) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#96) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#113) is not in mixedCase
Function IUniswapV2Router02.WETH() (#136) is not in mixedCase
Parameter DanTOKEN.setMaster(address,address)._master (#704) is not in mixedCase
Parameter DanTOKEN.setMaster(address,address)._marketingAddress (#704) is not in mixedCase
Parameter DanTOKEN.setMaster(address)._marketingAddress (#717) is not in mixedCase
Parameter DanTOKEN.setLP(address)._lp (#729) is not in mixedCase
Parameter DanTOKEN.setSwapAndLiquifyEnabled(bool)._enabled (#749) is not in mixedCase
Parameter DanTOKEN.calculateFee(uint256,bool)._amount (#869) is not in mixedCase
Parameter DanTOKEN.enableTransfer(address)._addr (#1073) is not in mixedCase
Parameter DanTOKEN.excludeAddress(address)._addr (#1080) is not in mixedCase
Parameter DanTOKEN.excludeAddressRemove(address)._addr (#1087) is not in mixedCase
Parameter DanTOKEN.setBuyBackEnabled(bool)._enabled (#1104) is not in mixedCase
Parameter DanTOKEN.setBuyBackLimit(uint256)._buybackLimit (#1108) is not in mixedCase
Parameter DanTOKEN.setBuyBackDivisor(uint256)._buybackDivisor (#1111) is not in mixedCase
Parameter DanTOKEN.setnumTokensSellDivisor(uint256)._numTokensSellDivisor (#1114) is not in mixedCase
Parameter DanTOKEN.recoverWrongTokens(address,uint256)._tokenAddress (#1131) is not in mixedCase
Parameter DanTOKEN.recoverWrongTokens(address,uint256)._tokenAmount (#1131) is not in mixedCase
Variable DanTOKEN._gonsPerFragment (#657) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Reentrancy in DanTOKEN._transfer(address,address,uint256) (#801-833):
External calls:
- swapAndLiquify(numTokensSell) (#826)
- recipient.transfer(amount) (#919)
- marketingAddress.transfer(address(this).balance) (#909)
External calls sending eth:
- swapAndLiquify(numTokensSell) (#826)
- recipient.transfer(amount) (#919)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- marketingAddress.transfer(address(this).balance) (#909)
State variables written after the call(s):
- _tokenTransfer(from,to,value,saleFlag) (#830)
- _gonBalances[sender] = _gonBalances[sender].sub(gonValue) (#856)
- _gonBalances[address(this)] = _gonBalances[address(this)].add(rFee) (#880)
- _gonBalances[recipient] = _gonBalances[recipient].add(gonValue) (#857)
- _gonBalances[sender] = _gonBalances[sender].sub(gonDeduct) (#848)
- _gonBalances[recipient] = _gonBalances[recipient].add(gonValue) (#849)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#858)
- _tokenTransfer(from,to,value,saleFlag) (#830)
- Transfer(sender,recipient,amount) (#851)
- _tokenTransfer(from,to,value,saleFlag) (#830)
Reentrancy in DanTOKEN.swapAndLiquify(uint256) (#884-913):
External calls:
- transferToAddressETH(marketingAddress,sharedETH) (#907)
- recipient.transfer(amount) (#919)
- marketingAddress.transfer(address(this).balance) (#909)
External calls sending eth:
- addLiquidity(onequarter,sharedETH) (#904)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- transferToAddressETH(marketingAddress,sharedETH) (#907)
- recipient.transfer(amount) (#919)
- marketingAddress.transfer(address(this).balance) (#909)
Event emitted after the call(s):
- SwapAndLiquify(threequarters,sharedETH,onequarter) (#911)
Reentrancy in DanTOKEN.transferFrom(address,address,uint256) (#784-792):
External calls:
- _transfer(sender,recipient,amount) (#789)
- recipient.transfer(amount) (#919)
- marketingAddress.transfer(address(this).balance) (#909)
External calls sending eth:
- _transfer(sender,recipient,amount) (#789)
- recipient.transfer(amount) (#919)
- uniswapV2Router.addLiquidityETH.value(ethAmount)(address(this),tokenAmount,0,0,address(this),block.timestamp.add(300)) (#965-972)
- marketingAddress.transfer(address(this).balance) (#909)
State variables written after the call(s):
- _approve(sender,msg.sender,_allowedFragments[sender][msg.sender].sub(amount)) (#790)
- _allowedFragments[owner][spender] = value (#998)
Event emitted after the call(s):
- Approval(owner,spender,value) (#999)
- _approve(sender,msg.sender,_allowedFragments[sender][msg.sender].sub(amount)) (#790)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IUniswapV2Router02.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#141) is too similar to IUniswapV2Router02.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#142)
Prevent variables from having similar names.

Additional information: link

DanTOKEN.slitherConstructorVariables() (#565-1141) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#626)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#436) is never used in SafeMathInt (#434-506)
Ownable._previousOwner (#276) is never used in DanTOKEN (#565-1141)
DanTOKEN.privateSaleDropCompleted (#635) is never used in DanTOKEN (#565-1141)
DanTOKEN.MAX_SUPPLY (#649) is never used in DanTOKEN (#565-1141)
Remove unused state variables.

Additional information: link

DanTOKEN.deadAddress (#626) should be constant
DanTOKEN.privateSaleDropCompleted (#635) should be constant
DanTOKEN.transactionTax (#615) should be constant
DanTOKEN.transactionTaxBuy (#616) should be constant
Ownable._lockTime (#277) should be constant
Ownable._previousOwner (#276) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#323-326)
getUnlockTime() should be declared external:
- Ownable.getUnlockTime() (#328-330)
lock() should be declared external:
- Ownable.lock() (#334-339)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#347-349)
name() should be declared external:
- ERC20Detailed.name() (#529-531)
symbol() should be declared external:
- ERC20Detailed.symbol() (#537-539)
decimals() should be declared external:
- ERC20Detailed.decimals() (#553-555)
setSwapAndLiquifyEnabled(bool) should be declared external:
- DanTOKEN.setSwapAndLiquifyEnabled(bool) (#749-752)
increaseAllowance(address,uint256) should be declared external:
- DanTOKEN.increaseAllowance(address,uint256) (#984-991)
approve(address,uint256) should be declared external:
- DanTOKEN.approve(address,uint256) (#1014-1021)
allowance(address,address) should be declared external:
- DanTOKEN.allowance(address,address) (#1030-1036)
setBuyBackEnabled(bool) should be declared external:
- DanTOKEN.setBuyBackEnabled(bool) (#1104-1106)
setBuyBackLimit(uint256) should be declared external:
- DanTOKEN.setBuyBackLimit(uint256) (#1108-1109)
setBuyBackDivisor(uint256) should be declared external:
- DanTOKEN.setBuyBackDivisor(uint256) (#1111-1112)
setnumTokensSellDivisor(uint256) should be declared external:
- DanTOKEN.setnumTokensSellDivisor(uint256) (#1114-1115)
batchTransferTokenB(address[],uint256) should be declared external:
- DanTOKEN.batchTransferTokenB(address[],uint256) (#1122-1126)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.


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


Unable to find Twitter account


Telegram account has relatively few subscribers


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Unable to find Discord account

Search:


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

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