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AFRICA [Africa Dao] Token

About AFRICA

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Token 13 days
white paper

🌍 Africa DAO's mission is to give African people a better life through activities related to football and the 2022 World Cup.
🌍 Africa DAO is an ecosystem : Launchpad, DAO, Incubator, Staking, NFT packed with utility. ✅ TEAM KYC & Audit - 🔒 1 Years Liquidity lock -❌ ✅ Team Fully Doxxed - ✅ Tax Buy/Sell 3% : 5% - 🎁 The first DAO holder NFT can earn BNB by volume. 🎥👇Watch the video of our project uploaded.

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Laser Scorebeta Last Audit: 5 August 2022

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

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AfricaDaoToken.addLiquidity(uint256,uint256) (contracts/AfricaDao.sol#1397-1410) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376):
External calls:
- swapBack() (contracts/AfricaDao.sol#1334)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
External calls sending eth:
- swapBack() (contracts/AfricaDao.sol#1334)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
State variables written after the call(s):
- swapping = false (contracts/AfricaDao.sol#1336)
Reentrancy in AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376):
External calls:
- swapBack() (contracts/AfricaDao.sol#1334)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
- autoBurnLiquidityPairTokens() (contracts/AfricaDao.sol#1340)
- pair.sync() (contracts/AfricaDao.sol#1478)
External calls sending eth:
- swapBack() (contracts/AfricaDao.sol#1334)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
State variables written after the call(s):
- autoBurnLiquidityPairTokens() (contracts/AfricaDao.sol#1340)
- _balances[from] = fromBalance - amount (contracts/AfricaDao.sol#366)
- _balances[to] += amount (contracts/AfricaDao.sol#368)
- super._transfer(from,address(this),fees) (contracts/AfricaDao.sol#1369)
- _balances[from] = fromBalance - amount (contracts/AfricaDao.sol#366)
- _balances[to] += amount (contracts/AfricaDao.sol#368)
- super._transfer(from,to,amount) (contracts/AfricaDao.sol#1375)
- _balances[from] = fromBalance - amount (contracts/AfricaDao.sol#366)
- _balances[to] += amount (contracts/AfricaDao.sol#368)
- tokensForDev += fees * sellDevFee / sellTotalFees (contracts/AfricaDao.sol#1357)
- tokensForDev += fees * buyDevFee / buyTotalFees (contracts/AfricaDao.sol#1364)
- tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees (contracts/AfricaDao.sol#1356)
- tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees (contracts/AfricaDao.sol#1363)
- tokensForMarketing += fees * sellMarketingFee / sellTotalFees (contracts/AfricaDao.sol#1358)
- tokensForMarketing += fees * buyMarketingFee / buyTotalFees (contracts/AfricaDao.sol#1365)
Apply the check-effects-interactions pattern.

Additional information: link


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

AfricaDaoToken.swapBack() (contracts/AfricaDao.sol#1412-1451) uses a dangerous strict equality:
- contractBalance == 0 || totalTokensToSwap == 0 (contracts/AfricaDao.sol#1417)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

AfricaDaoToken.setAutoLPBurnSettings(uint256,uint256,bool) (contracts/AfricaDao.sol#1453-1459) contains a tautology or contradiction:
- require(bool,string)(_percent <= 1000 && _percent >= 0,Must set auto LP burn percent between 0% and 10%) (contracts/AfricaDao.sol#1455)
Fix the incorrect comparison by changing the value type or the comparison.

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 ownership is not renounced (belongs to a wallet)

AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (contracts/AfricaDao.sol#1355)
-tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees (contracts/AfricaDao.sol#1356)
AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (contracts/AfricaDao.sol#1355)
-tokensForDev += fees * sellDevFee / sellTotalFees (contracts/AfricaDao.sol#1357)
AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (contracts/AfricaDao.sol#1355)
-tokensForMarketing += fees * sellMarketingFee / sellTotalFees (contracts/AfricaDao.sol#1358)
AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) performs a multiplication on the result of a division:
-fees = amount.mul(buyTotalFees).div(100) (contracts/AfricaDao.sol#1362)
-tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees (contracts/AfricaDao.sol#1363)
AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) performs a multiplication on the result of a division:
-fees = amount.mul(buyTotalFees).div(100) (contracts/AfricaDao.sol#1362)
-tokensForDev += fees * buyDevFee / buyTotalFees (contracts/AfricaDao.sol#1364)
AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) performs a multiplication on the result of a division:
-fees = amount.mul(buyTotalFees).div(100) (contracts/AfricaDao.sol#1362)
-tokensForMarketing += fees * buyMarketingFee / buyTotalFees (contracts/AfricaDao.sol#1365)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in AfricaDaoToken.swapBack() (contracts/AfricaDao.sol#1412-1451):
External calls:
- swapTokensForEth(amountToSwapForETH) (contracts/AfricaDao.sol#1429)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
State variables written after the call(s):
- tokensForDev = 0 (contracts/AfricaDao.sol#1441)
- tokensForLiquidity = 0 (contracts/AfricaDao.sol#1439)
- tokensForMarketing = 0 (contracts/AfricaDao.sol#1440)
Apply the check-effects-interactions pattern.

Additional information: link

AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) uses tx.origin for authorization: require(bool,string)(_holderLastTransferTimestamp[tx.origin] < block.number,_transfer:: Transfer Delay enabled. Only one purchase per block allowed.) (contracts/AfricaDao.sol#1295)
Do not use tx.origin for authorization.

Additional information: link

AfricaDaoToken.addLiquidity(uint256,uint256) (contracts/AfricaDao.sol#1397-1410) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
Ensure that all the return values of the function calls are used.

Additional information: link

AfricaDaoToken.constructor(address).totalSupply (contracts/AfricaDao.sol#1121) shadows:
- ERC20.totalSupply() (contracts/AfricaDao.sol#221-223) (function)
- IERC20.totalSupply() (contracts/AfricaDao.sol#32) (function)
Rename the local variables that shadow another component.

Additional information: link

AfricaDaoToken.updateSwapTokensAtAmount(uint256) (contracts/AfricaDao.sol#1180-1185) should emit an event for:
- swapTokensAtAmount = newAmount (contracts/AfricaDao.sol#1183)
AfricaDaoToken.updateMaxTxnAmount(uint256) (contracts/AfricaDao.sol#1187-1190) should emit an event for:
- maxTransactionAmount = newNum * (10 ** 18) (contracts/AfricaDao.sol#1189)
AfricaDaoToken.updateMaxWalletAmount(uint256) (contracts/AfricaDao.sol#1192-1195) should emit an event for:
- maxWallet = newNum * (10 ** 18) (contracts/AfricaDao.sol#1194)
AfricaDaoToken.updateBuyFees(uint256,uint256,uint256) (contracts/AfricaDao.sol#1206-1212) should emit an event for:
- buyMarketingFee = _marketingFee (contracts/AfricaDao.sol#1207)
- buyLiquidityFee = _liquidityFee (contracts/AfricaDao.sol#1208)
- buyDevFee = _devFee (contracts/AfricaDao.sol#1209)
- buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee (contracts/AfricaDao.sol#1210)
AfricaDaoToken.updateSellFees(uint256,uint256,uint256) (contracts/AfricaDao.sol#1214-1220) should emit an event for:
- sellMarketingFee = _marketingFee (contracts/AfricaDao.sol#1215)
- sellLiquidityFee = _liquidityFee (contracts/AfricaDao.sol#1216)
- sellDevFee = _devFee (contracts/AfricaDao.sol#1217)
- sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee (contracts/AfricaDao.sol#1218)
AfricaDaoToken.updateSellFrequency(uint256) (contracts/AfricaDao.sol#1222-1225) should emit an event for:
- sellFrequency = _freq (contracts/AfricaDao.sol#1224)
AfricaDaoToken.setAutoLPBurnSettings(uint256,uint256,bool) (contracts/AfricaDao.sol#1453-1459) should emit an event for:
- lpBurnFrequency = _frequencyInSeconds (contracts/AfricaDao.sol#1456)
- percentForLPBurn = _percent (contracts/AfricaDao.sol#1457)
Emit an event for critical parameter changes.

Additional information: link

AfricaDaoToken.updateMarketingWallet(address).newMarketingWallet (contracts/AfricaDao.sol#1244) lacks a zero-check on :
- marketingWallet = newMarketingWallet (contracts/AfricaDao.sol#1246)
AfricaDaoToken.updateDevWallet(address).newWallet (contracts/AfricaDao.sol#1249) lacks a zero-check on :
- devWallet = newWallet (contracts/AfricaDao.sol#1251)
Check that the address is not zero.

Additional information: link

Reentrancy in AfricaDaoToken.constructor(address) (contracts/AfricaDao.sol#1102-1154):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (contracts/AfricaDao.sol#1109)
State variables written after the call(s):
- _mint(msg.sender,totalSupply) (contracts/AfricaDao.sol#1153)
- _balances[account] += amount (contracts/AfricaDao.sol#390)
- excludeFromFees(owner(),true) (contracts/AfricaDao.sol#1141)
- _isExcludedFromFees[account] = excluded (contracts/AfricaDao.sol#1228)
- excludeFromFees(address(this),true) (contracts/AfricaDao.sol#1142)
- _isExcludedFromFees[account] = excluded (contracts/AfricaDao.sol#1228)
- excludeFromFees(address(0xdead),true) (contracts/AfricaDao.sol#1143)
- _isExcludedFromFees[account] = excluded (contracts/AfricaDao.sol#1228)
- excludeFromMaxTransaction(address(uniswapV2Pair),true) (contracts/AfricaDao.sol#1110)
- _isExcludedMaxTransactionAmount[updAds] = isEx (contracts/AfricaDao.sol#1198)
- excludeFromMaxTransaction(owner(),true) (contracts/AfricaDao.sol#1145)
- _isExcludedMaxTransactionAmount[updAds] = isEx (contracts/AfricaDao.sol#1198)
- excludeFromMaxTransaction(address(this),true) (contracts/AfricaDao.sol#1146)
- _isExcludedMaxTransactionAmount[updAds] = isEx (contracts/AfricaDao.sol#1198)
- excludeFromMaxTransaction(address(0xdead),true) (contracts/AfricaDao.sol#1147)
- _isExcludedMaxTransactionAmount[updAds] = isEx (contracts/AfricaDao.sol#1198)
- _mint(msg.sender,totalSupply) (contracts/AfricaDao.sol#1153)
- _totalSupply += amount (contracts/AfricaDao.sol#389)
- _setAutomatedMarketMakerPair(address(uniswapV2Pair),true) (contracts/AfricaDao.sol#1111)
- automatedMarketMakerPairs[pair] = value (contracts/AfricaDao.sol#1239)
- buyDevFee = _buyDevFee (contracts/AfricaDao.sol#1129)
- buyLiquidityFee = _buyLiquidityFee (contracts/AfricaDao.sol#1128)
- buyMarketingFee = _buyMarketingFee (contracts/AfricaDao.sol#1127)
- buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee (contracts/AfricaDao.sol#1130)
- devWallet = address(owner()) (contracts/AfricaDao.sol#1138)
- marketingWallet = address(owner()) (contracts/AfricaDao.sol#1137)
- maxTransactionAmount = totalSupply * 2 / 1000 (contracts/AfricaDao.sol#1123)
- maxWallet = totalSupply * 8 / 1000 (contracts/AfricaDao.sol#1124)
- sellDevFee = _sellDevFee (contracts/AfricaDao.sol#1134)
- sellLiquidityFee = _sellLiquidityFee (contracts/AfricaDao.sol#1133)
- sellMarketingFee = _sellMarketingFee (contracts/AfricaDao.sol#1132)
- sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee (contracts/AfricaDao.sol#1135)
- swapTokensAtAmount = totalSupply * 5 / 10000 (contracts/AfricaDao.sol#1125)
Reentrancy in AfricaDaoToken.manualSwap() (contracts/AfricaDao.sol#1254-1259):
External calls:
- swapBack() (contracts/AfricaDao.sol#1257)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
External calls sending eth:
- swapBack() (contracts/AfricaDao.sol#1257)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
State variables written after the call(s):
- swapping = false (contracts/AfricaDao.sol#1258)
Reentrancy in AfricaDaoToken.swapBack() (contracts/AfricaDao.sol#1412-1451):
External calls:
- swapTokensForEth(amountToSwapForETH) (contracts/AfricaDao.sol#1429)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- addLiquidity(liquidityTokens,ethForLiquidity) (contracts/AfricaDao.sol#1446)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
External calls sending eth:
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- addLiquidity(liquidityTokens,ethForLiquidity) (contracts/AfricaDao.sol#1446)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
State variables written after the call(s):
- addLiquidity(liquidityTokens,ethForLiquidity) (contracts/AfricaDao.sol#1446)
- _allowances[owner][spender] = amount (contracts/AfricaDao.sol#445)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376):
External calls:
- swapBack() (contracts/AfricaDao.sol#1334)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
- autoBurnLiquidityPairTokens() (contracts/AfricaDao.sol#1340)
- pair.sync() (contracts/AfricaDao.sol#1478)
External calls sending eth:
- swapBack() (contracts/AfricaDao.sol#1334)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
Event emitted after the call(s):
- AutoNukeLP() (contracts/AfricaDao.sol#1479)
- autoBurnLiquidityPairTokens() (contracts/AfricaDao.sol#1340)
- Transfer(from,to,amount) (contracts/AfricaDao.sol#370)
- super._transfer(from,address(this),fees) (contracts/AfricaDao.sol#1369)
- Transfer(from,to,amount) (contracts/AfricaDao.sol#370)
- super._transfer(from,to,amount) (contracts/AfricaDao.sol#1375)
- Transfer(from,to,amount) (contracts/AfricaDao.sol#370)
- autoBurnLiquidityPairTokens() (contracts/AfricaDao.sol#1340)
Reentrancy in AfricaDaoToken.autoBurnLiquidityPairTokens() (contracts/AfricaDao.sol#1461-1481):
External calls:
- pair.sync() (contracts/AfricaDao.sol#1478)
Event emitted after the call(s):
- AutoNukeLP() (contracts/AfricaDao.sol#1479)
Reentrancy in AfricaDaoToken.constructor(address) (contracts/AfricaDao.sol#1102-1154):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (contracts/AfricaDao.sol#1109)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (contracts/AfricaDao.sol#1229)
- excludeFromFees(address(this),true) (contracts/AfricaDao.sol#1142)
- ExcludeFromFees(account,excluded) (contracts/AfricaDao.sol#1229)
- excludeFromFees(owner(),true) (contracts/AfricaDao.sol#1141)
- ExcludeFromFees(account,excluded) (contracts/AfricaDao.sol#1229)
- excludeFromFees(address(0xdead),true) (contracts/AfricaDao.sol#1143)
- SetAutomatedMarketMakerPair(pair,value) (contracts/AfricaDao.sol#1241)
- _setAutomatedMarketMakerPair(address(uniswapV2Pair),true) (contracts/AfricaDao.sol#1111)
- Transfer(address(0),account,amount) (contracts/AfricaDao.sol#391)
- _mint(msg.sender,totalSupply) (contracts/AfricaDao.sol#1153)
Reentrancy in AfricaDaoToken.manualBurnLiquidityPairTokens(uint256) (contracts/AfricaDao.sol#1483-1504):
External calls:
- pair.sync() (contracts/AfricaDao.sol#1501)
Event emitted after the call(s):
- ManualNukeLP() (contracts/AfricaDao.sol#1502)
Reentrancy in AfricaDaoToken.swapBack() (contracts/AfricaDao.sol#1412-1451):
External calls:
- swapTokensForEth(amountToSwapForETH) (contracts/AfricaDao.sol#1429)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/AfricaDao.sol#1388-1394)
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- addLiquidity(liquidityTokens,ethForLiquidity) (contracts/AfricaDao.sol#1446)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
External calls sending eth:
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- addLiquidity(liquidityTokens,ethForLiquidity) (contracts/AfricaDao.sol#1446)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (contracts/AfricaDao.sol#1402-1409)
Event emitted after the call(s):
- Approval(owner,spender,amount) (contracts/AfricaDao.sol#446)
- addLiquidity(liquidityTokens,ethForLiquidity) (contracts/AfricaDao.sol#1446)
- SwapAndLiquify(amountToSwapForETH,ethForLiquidity,tokensForLiquidity) (contracts/AfricaDao.sol#1447)
Apply the check-effects-interactions pattern.

Additional information: link

AfricaDaoToken._transfer(address,address,uint256) (contracts/AfricaDao.sol#1267-1376) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(sellTimestamp[from] == 0 || sellTimestamp[from] + sellFrequency < block.timestamp,Too frequent to sell) (contracts/AfricaDao.sol#1314)
- ! swapping && automatedMarketMakerPairs[to] && lpBurnEnabled && block.timestamp >= lastLpBurnTime + lpBurnFrequency && ! _isExcludedFromFees[from] (contracts/AfricaDao.sol#1339)
AfricaDaoToken.manualBurnLiquidityPairTokens(uint256) (contracts/AfricaDao.sol#1483-1504) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > lastManualLpBurnTime + manualBurnFrequency,Must wait for cooldown to finish) (contracts/AfricaDao.sol#1484)
Avoid relying on block.timestamp.

Additional information: link

Context._msgData() (contracts/AfricaDao.sol#130-132) is never used and should be removed
ERC20._burn(address,uint256) (contracts/AfricaDao.sol#407-422) is never used and should be removed
SafeMath.add(uint256,uint256) (contracts/AfricaDao.sol#679-681) is never used and should be removed
SafeMath.div(uint256,uint256,string) (contracts/AfricaDao.sol#777-786) is never used and should be removed
SafeMath.mod(uint256,uint256) (contracts/AfricaDao.sol#737-739) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (contracts/AfricaDao.sol#803-812) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (contracts/AfricaDao.sol#754-763) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (contracts/AfricaDao.sol#608-614) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (contracts/AfricaDao.sol#650-655) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (contracts/AfricaDao.sol#662-667) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (contracts/AfricaDao.sol#633-643) is never used and should be removed
SafeMath.trySub(uint256,uint256) (contracts/AfricaDao.sol#621-626) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.11 (contracts/AfricaDao.sol#6) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.11 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 AfricaDaoToken.swapBack() (contracts/AfricaDao.sol#1412-1451):
- (success,None) = address(devWallet).call{value: ethForDev}() (contracts/AfricaDao.sol#1443)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (contracts/AfricaDao.sol#1450)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Router01.WETH() (contracts/AfricaDao.sol#818) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (contracts/AfricaDao.sol#985) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (contracts/AfricaDao.sol#986) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (contracts/AfricaDao.sol#1003) is not in mixedCase
Event AfricaDaoTokenmarketingWalletUpdated(address,address) (contracts/AfricaDao.sol#1088) is not in CapWords
Event AfricaDaoTokendevWalletUpdated(address,address) (contracts/AfricaDao.sol#1090) is not in CapWords
Parameter AfricaDaoToken.updateBuyFees(uint256,uint256,uint256)._marketingFee (contracts/AfricaDao.sol#1206) is not in mixedCase
Parameter AfricaDaoToken.updateBuyFees(uint256,uint256,uint256)._liquidityFee (contracts/AfricaDao.sol#1206) is not in mixedCase
Parameter AfricaDaoToken.updateBuyFees(uint256,uint256,uint256)._devFee (contracts/AfricaDao.sol#1206) is not in mixedCase
Parameter AfricaDaoToken.updateSellFees(uint256,uint256,uint256)._marketingFee (contracts/AfricaDao.sol#1214) is not in mixedCase
Parameter AfricaDaoToken.updateSellFees(uint256,uint256,uint256)._liquidityFee (contracts/AfricaDao.sol#1214) is not in mixedCase
Parameter AfricaDaoToken.updateSellFees(uint256,uint256,uint256)._devFee (contracts/AfricaDao.sol#1214) is not in mixedCase
Parameter AfricaDaoToken.updateSellFrequency(uint256)._freq (contracts/AfricaDao.sol#1222) is not in mixedCase
Parameter AfricaDaoToken.setAutoLPBurnSettings(uint256,uint256,bool)._frequencyInSeconds (contracts/AfricaDao.sol#1453) is not in mixedCase
Parameter AfricaDaoToken.setAutoLPBurnSettings(uint256,uint256,bool)._percent (contracts/AfricaDao.sol#1453) is not in mixedCase
Parameter AfricaDaoToken.setAutoLPBurnSettings(uint256,uint256,bool)._Enabled (contracts/AfricaDao.sol#1453) is not in mixedCase
Constant AfricaDaoToken.deadAddress (contracts/AfricaDao.sol#1027) is not in UPPER_CASE_WITH_UNDERSCORES
Variable AfricaDaoToken._isExcludedMaxTransactionAmount (contracts/AfricaDao.sol#1072) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (contracts/AfricaDao.sol#823) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (contracts/AfricaDao.sol#824)
Prevent variables from having similar names.

Additional information: link

AfricaDaoToken.constructor(address) (contracts/AfricaDao.sol#1102-1154) uses literals with too many digits:
- totalSupply = 8000000000 * (10 ** 18) (contracts/AfricaDao.sol#1121)
AfricaDaoToken.updateSwapTokensAtAmount(uint256) (contracts/AfricaDao.sol#1180-1185) uses literals with too many digits:
- require(bool,string)(newAmount >= totalSupply() * 1 / 100000,Swap amount cannot be lower than 0.001% total supply.) (contracts/AfricaDao.sol#1181)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

AfricaDaoToken.manualBurnFrequency (contracts/AfricaDao.sol#1043) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

name() should be declared external:
- ERC20.name() (contracts/AfricaDao.sol#189-191)
symbol() should be declared external:
- ERC20.symbol() (contracts/AfricaDao.sol#197-199)
decimals() should be declared external:
- ERC20.decimals() (contracts/AfricaDao.sol#214-216)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (contracts/AfricaDao.sol#240-244)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (contracts/AfricaDao.sol#263-267)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (contracts/AfricaDao.sol#285-294)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (contracts/AfricaDao.sol#308-312)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (contracts/AfricaDao.sol#328-337)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (contracts/AfricaDao.sol#567-569)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (contracts/AfricaDao.sol#575-578)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- AfricaDaoToken.setAutomatedMarketMakerPair(address,bool) (contracts/AfricaDao.sol#1232-1236)
isExcludedFromFees(address) should be declared external:
- AfricaDaoToken.isExcludedFromFees(address) (contracts/AfricaDao.sol#1261-1263)
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. Ignore for presale.


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Twitter account has few posts


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

Additional information: link


Unable to find token contract audit


Unable to find KYC or doxxing proof


Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)


Unable to verify token contract address on the website


Unable to find audit link on the website


Unable to find token on CoinGecko

Additional information: link


Unable to find token on CoinMarketCap

Additional information: link


Token is not listed at Mobula.Finance

Additional information: link


Unable to find token on CoinHunt

Additional information: link


Unable to find code repository for the project


Young tokens have high risks of scam / price dump / death


Young tokens have high risks of scam / price dump / death


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank


Young tokens have high risks of price dump / death

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