Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
BDDC.addLiquidity(uint256,uint256) (BingDwenDwenCoin.sol#504-519) sends eth to arbitrary user
Dangerous calls:
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
Ensure that an arbitrary user cannot withdraw unauthorized funds.
Additional information: link
Reentrancy in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422):
External calls:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#494-500)
- address(marketingWallet).sendValue(marketingWalletAmt) (BingDwenDwenCoin.sol#446)
- address(devWallet).sendValue(devAmt) (BingDwenDwenCoin.sol#452)
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- success = IERC20(BUSD).transfer(address(dividendTracker),dividends) (BingDwenDwenCoin.sol#478)
- dividendTracker.distributeBUSDDividends(dividends) (BingDwenDwenCoin.sol#481)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#466-472)
External calls sending eth:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
State variables written after the call(s):
- super._transfer(from,address(this),feeAmt) (BingDwenDwenCoin.sol#407)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (ERC20.sol#220)
- _balances[recipient] = _balances[recipient].add(amount) (ERC20.sol#221)
- super._transfer(from,to,amount) (BingDwenDwenCoin.sol#409)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (ERC20.sol#220)
- _balances[recipient] = _balances[recipient].add(amount) (ERC20.sol#221)
- swapping = false (BingDwenDwenCoin.sol#389)
Apply the check-effects-interactions pattern.
Additional information: link
BDDC.rescueBEP20Tokens(address) (BingDwenDwenCoin.sol#144-146) ignores return value by IERC20(tokenAddress).transfer(msg.sender,IERC20(tokenAddress).balanceOf(address(this))) (BingDwenDwenCoin.sol#145)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.
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.
BDDC.swapAndLiquify(uint256) (BingDwenDwenCoin.sol#424-454) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - sellTaxes.liquidity) (BingDwenDwenCoin.sol#435)
-bnbToAddLiquidityWith = unitBalance * sellTaxes.liquidity (BingDwenDwenCoin.sol#436)
BDDC.swapAndLiquify(uint256) (BingDwenDwenCoin.sol#424-454) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - sellTaxes.liquidity) (BingDwenDwenCoin.sol#435)
-marketingWalletAmt = unitBalance * 2 * sellTaxes.marketing (BingDwenDwenCoin.sol#444)
BDDC.swapAndLiquify(uint256) (BingDwenDwenCoin.sol#424-454) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - sellTaxes.liquidity) (BingDwenDwenCoin.sol#435)
-devAmt = unitBalance * 2 * sellTaxes.dev (BingDwenDwenCoin.sol#450)
Consider ordering multiplication before division.
Additional information: link
Reentrancy in DividendPayingToken._withdrawDividendOfUser(address) (DividendPayingToken.sol#74-90):
External calls:
- success = IERC20(BUSD).transfer(user,_withdrawableDividend) (DividendPayingToken.sol#79)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (DividendPayingToken.sol#82)
Apply the check-effects-interactions pattern.
Additional information: link
BDDC._transfer(address,address,uint256).iterations (BingDwenDwenCoin.sol#417) is a local variable never initialized
BDDC.setBulkBot(address[],bool).i (BingDwenDwenCoin.sol#236) is a local variable never initialized
BDDC._transfer(address,address,uint256).feeAmt (BingDwenDwenCoin.sol#402) is a local variable never initialized
BDDC._transfer(address,address,uint256).claims (BingDwenDwenCoin.sol#417) is a local variable never initialized
BDDC.airdropTokens(address[],uint256[]).i (BingDwenDwenCoin.sol#350) is a local variable never initialized
BDDC._transfer(address,address,uint256).lastProcessedIndex (BingDwenDwenCoin.sol#417) is a local variable never initialized
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
BDDC.claim() (BingDwenDwenCoin.sol#138-140) ignores return value by dividendTracker.processAccount(address(msg.sender),false) (BingDwenDwenCoin.sol#139)
BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422) ignores return value by dividendTracker.process(gas) (BingDwenDwenCoin.sol#417-420)
BDDC.addLiquidity(uint256,uint256) (BingDwenDwenCoin.sol#504-519) ignores return value by router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
Ensure that all the return values of the function calls are used.
Additional information: link
DividendPayingToken.constructor(string,string)._name (DividendPayingToken.sol#48) shadows:
- ERC20._name (ERC20.sol#42) (state variable)
DividendPayingToken.constructor(string,string)._symbol (DividendPayingToken.sol#48) shadows:
- ERC20._symbol (ERC20.sol#43) (state variable)
DividendPayingToken.dividendOf(address)._owner (DividendPayingToken.sol#96) shadows:
- Ownable._owner (Ownable.sol#8) (state variable)
DividendPayingToken.withdrawableDividendOf(address)._owner (DividendPayingToken.sol#103) shadows:
- Ownable._owner (Ownable.sol#8) (state variable)
DividendPayingToken.withdrawnDividendOf(address)._owner (DividendPayingToken.sol#110) shadows:
- Ownable._owner (Ownable.sol#8) (state variable)
DividendPayingToken.accumulativeDividendOf(address)._owner (DividendPayingToken.sol#120) shadows:
- Ownable._owner (Ownable.sol#8) (state variable)
Rename the local variables that shadow another component.
Additional information: link
BDDC.setSwapTokensAtAmount(uint256) (BingDwenDwenCoin.sol#199-201) should emit an event for:
- swapTokensAtAmount = amount * 10 ** 9 (BingDwenDwenCoin.sol#200)
BDDC.setBuyTaxes(uint256,uint256,uint256,uint256) (BingDwenDwenCoin.sol#203-206) should emit an event for:
- totalBuyTax = _rewards + _marketing + _liquidity + _dev (BingDwenDwenCoin.sol#205)
BDDC.setSellTaxes(uint256,uint256,uint256,uint256) (BingDwenDwenCoin.sol#208-211) should emit an event for:
- totalSellTax = _rewards + _marketing + _liquidity + _dev (BingDwenDwenCoin.sol#210)
BDDC.setMaxTxAmount(uint256) (BingDwenDwenCoin.sol#250-252) should emit an event for:
- maxTxAmount = amount * 10 ** 9 (BingDwenDwenCoin.sol#251)
BDDC.setMaxWalletBalance(uint256) (BingDwenDwenCoin.sol#254-256) should emit an event for:
- maxWalletAmount = amount * 10 ** 9 (BingDwenDwenCoin.sol#255)
Emit an event for critical parameter changes.
Additional information: link
BDDC.setMarketingWallet(address).newWallet (BingDwenDwenCoin.sol#189) lacks a zero-check on :
- marketingWallet = newWallet (BingDwenDwenCoin.sol#190)
BDDC.setDevWallet(address).newWallet (BingDwenDwenCoin.sol#193) lacks a zero-check on :
- devWallet = newWallet (BingDwenDwenCoin.sol#194)
Check that the address is not zero.
Additional information: link
DividendPayingToken._withdrawDividendOfUser(address) (DividendPayingToken.sol#74-90) has external calls inside a loop: success = IERC20(BUSD).transfer(user,_withdrawableDividend) (DividendPayingToken.sol#79)
Favor pull over push strategy for external calls.
Additional information: link
Variable 'BDDC._transfer(address,address,uint256).iterations (BingDwenDwenCoin.sol#417)' in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (BingDwenDwenCoin.sol#418)
Variable 'BDDC._transfer(address,address,uint256).lastProcessedIndex (BingDwenDwenCoin.sol#417)' in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (BingDwenDwenCoin.sol#418)
Variable 'BDDC._transfer(address,address,uint256).claims (BingDwenDwenCoin.sol#417)' in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (BingDwenDwenCoin.sol#418)
Move all variable declarations prior to any usage of the variable, and ensure that reaching a variable declaration does not depend on some conditional if it is used unconditionally.
Additional information: link
Reentrancy in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422):
External calls:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#494-500)
- address(marketingWallet).sendValue(marketingWalletAmt) (BingDwenDwenCoin.sol#446)
- address(devWallet).sendValue(devAmt) (BingDwenDwenCoin.sol#452)
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- success = IERC20(BUSD).transfer(address(dividendTracker),dividends) (BingDwenDwenCoin.sol#478)
- dividendTracker.distributeBUSDDividends(dividends) (BingDwenDwenCoin.sol#481)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#466-472)
External calls sending eth:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
State variables written after the call(s):
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- _allowances[owner][spender] = amount (ERC20.sol#286)
Reentrancy in BDDC.constructor() (BingDwenDwenCoin.sol#86-118):
External calls:
- _pair = IFactory(_router.factory()).createPair(address(this),_router.WETH()) (BingDwenDwenCoin.sol#92)
State variables written after the call(s):
- pair = _pair (BingDwenDwenCoin.sol#95)
- router = _router (BingDwenDwenCoin.sol#94)
Reentrancy in BDDC.constructor() (BingDwenDwenCoin.sol#86-118):
External calls:
- _pair = IFactory(_router.factory()).createPair(address(this),_router.WETH()) (BingDwenDwenCoin.sol#92)
- _setAutomatedMarketMakerPair(_pair,true) (BingDwenDwenCoin.sol#97)
- dividendTracker.excludeFromDividends(newPair,true) (BingDwenDwenCoin.sol#263)
- dividendTracker.excludeFromDividends(address(dividendTracker),true) (BingDwenDwenCoin.sol#101)
- dividendTracker.excludeFromDividends(address(this),true) (BingDwenDwenCoin.sol#102)
- dividendTracker.excludeFromDividends(owner(),true) (BingDwenDwenCoin.sol#103)
- dividendTracker.excludeFromDividends(address(0xdead),true) (BingDwenDwenCoin.sol#104)
- dividendTracker.excludeFromDividends(address(_router),true) (BingDwenDwenCoin.sol#105)
State variables written after the call(s):
- _mint(owner(),1e6 * (10 ** 9)) (BingDwenDwenCoin.sol#117)
- _balances[account] = _balances[account].add(amount) (ERC20.sol#240)
- excludeFromFees(owner(),true) (BingDwenDwenCoin.sol#108)
- _isExcludedFromFees[account] = excluded (BingDwenDwenCoin.sol#166)
- excludeFromFees(address(this),true) (BingDwenDwenCoin.sol#109)
- _isExcludedFromFees[account] = excluded (BingDwenDwenCoin.sol#166)
- excludeFromFees(marketingWallet,true) (BingDwenDwenCoin.sol#110)
- _isExcludedFromFees[account] = excluded (BingDwenDwenCoin.sol#166)
- excludeFromFees(devWallet,true) (BingDwenDwenCoin.sol#111)
- _isExcludedFromFees[account] = excluded (BingDwenDwenCoin.sol#166)
- _mint(owner(),1e6 * (10 ** 9)) (BingDwenDwenCoin.sol#117)
- _totalSupply = _totalSupply.add(amount) (ERC20.sol#239)
Reentrancy in BDDCDividendTracker.processAccount(address,bool) (BingDwenDwenCoin.sol#724-734):
External calls:
- amount = _withdrawDividendOfUser(account) (BingDwenDwenCoin.sol#725)
- success = IERC20(BUSD).transfer(user,_withdrawableDividend) (DividendPayingToken.sol#79)
State variables written after the call(s):
- lastClaimTimes[account] = block.timestamp (BingDwenDwenCoin.sol#728)
Reentrancy in BDDC.swapAndLiquify(uint256) (BingDwenDwenCoin.sol#424-454):
External calls:
- swapTokensForBNB(toSwap) (BingDwenDwenCoin.sol#432)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#494-500)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (BingDwenDwenCoin.sol#440)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (BingDwenDwenCoin.sol#440)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
State variables written after the call(s):
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (BingDwenDwenCoin.sol#440)
- _allowances[owner][spender] = amount (ERC20.sol#286)
Reentrancy in BDDC.updateDividendTracker(address) (BingDwenDwenCoin.sol#121-129):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker),true) (BingDwenDwenCoin.sol#124)
- newDividendTracker.excludeFromDividends(address(this),true) (BingDwenDwenCoin.sol#125)
- newDividendTracker.excludeFromDividends(owner(),true) (BingDwenDwenCoin.sol#126)
- newDividendTracker.excludeFromDividends(address(router),true) (BingDwenDwenCoin.sol#127)
State variables written after the call(s):
- dividendTracker = newDividendTracker (BingDwenDwenCoin.sol#128)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in BDDC._setAutomatedMarketMakerPair(address,bool) (BingDwenDwenCoin.sol#258-267):
External calls:
- dividendTracker.excludeFromDividends(newPair,true) (BingDwenDwenCoin.sol#263)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(newPair,value) (BingDwenDwenCoin.sol#266)
Reentrancy in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422):
External calls:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#494-500)
- address(marketingWallet).sendValue(marketingWalletAmt) (BingDwenDwenCoin.sol#446)
- address(devWallet).sendValue(devAmt) (BingDwenDwenCoin.sol#452)
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- success = IERC20(BUSD).transfer(address(dividendTracker),dividends) (BingDwenDwenCoin.sol#478)
- dividendTracker.distributeBUSDDividends(dividends) (BingDwenDwenCoin.sol#481)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#466-472)
External calls sending eth:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
Event emitted after the call(s):
- Approval(owner,spender,amount) (ERC20.sol#287)
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- SendDividends(tokens,dividends) (BingDwenDwenCoin.sol#482)
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- Transfer(sender,recipient,amount) (ERC20.sol#222)
- super._transfer(from,address(this),feeAmt) (BingDwenDwenCoin.sol#407)
- Transfer(sender,recipient,amount) (ERC20.sol#222)
- super._transfer(from,to,amount) (BingDwenDwenCoin.sol#409)
Reentrancy in BDDC._transfer(address,address,uint256) (BingDwenDwenCoin.sol#355-422):
External calls:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#494-500)
- address(marketingWallet).sendValue(marketingWalletAmt) (BingDwenDwenCoin.sol#446)
- address(devWallet).sendValue(devAmt) (BingDwenDwenCoin.sol#452)
- swapAndSendDividends(sellTokens) (BingDwenDwenCoin.sol#386)
- success = IERC20(BUSD).transfer(address(dividendTracker),dividends) (BingDwenDwenCoin.sol#478)
- dividendTracker.distributeBUSDDividends(dividends) (BingDwenDwenCoin.sol#481)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#466-472)
- dividendTracker.setBalance(from,balanceOf(from)) (BingDwenDwenCoin.sol#411)
- dividendTracker.setBalance(to,balanceOf(to)) (BingDwenDwenCoin.sol#412)
- dividendTracker.process(gas) (BingDwenDwenCoin.sol#417-420)
External calls sending eth:
- swapAndLiquify(swapTokens) (BingDwenDwenCoin.sol#382)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (BingDwenDwenCoin.sol#418)
Reentrancy in BDDC.constructor() (BingDwenDwenCoin.sol#86-118):
External calls:
- _pair = IFactory(_router.factory()).createPair(address(this),_router.WETH()) (BingDwenDwenCoin.sol#92)
- _setAutomatedMarketMakerPair(_pair,true) (BingDwenDwenCoin.sol#97)
- dividendTracker.excludeFromDividends(newPair,true) (BingDwenDwenCoin.sol#263)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(newPair,value) (BingDwenDwenCoin.sol#266)
- _setAutomatedMarketMakerPair(_pair,true) (BingDwenDwenCoin.sol#97)
Reentrancy in BDDC.constructor() (BingDwenDwenCoin.sol#86-118):
External calls:
- _pair = IFactory(_router.factory()).createPair(address(this),_router.WETH()) (BingDwenDwenCoin.sol#92)
- _setAutomatedMarketMakerPair(_pair,true) (BingDwenDwenCoin.sol#97)
- dividendTracker.excludeFromDividends(newPair,true) (BingDwenDwenCoin.sol#263)
- dividendTracker.excludeFromDividends(address(dividendTracker),true) (BingDwenDwenCoin.sol#101)
- dividendTracker.excludeFromDividends(address(this),true) (BingDwenDwenCoin.sol#102)
- dividendTracker.excludeFromDividends(owner(),true) (BingDwenDwenCoin.sol#103)
- dividendTracker.excludeFromDividends(address(0xdead),true) (BingDwenDwenCoin.sol#104)
- dividendTracker.excludeFromDividends(address(_router),true) (BingDwenDwenCoin.sol#105)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (BingDwenDwenCoin.sol#168)
- excludeFromFees(devWallet,true) (BingDwenDwenCoin.sol#111)
- ExcludeFromFees(account,excluded) (BingDwenDwenCoin.sol#168)
- excludeFromFees(marketingWallet,true) (BingDwenDwenCoin.sol#110)
- ExcludeFromFees(account,excluded) (BingDwenDwenCoin.sol#168)
- excludeFromFees(address(this),true) (BingDwenDwenCoin.sol#109)
- ExcludeFromFees(account,excluded) (BingDwenDwenCoin.sol#168)
- excludeFromFees(owner(),true) (BingDwenDwenCoin.sol#108)
- Transfer(address(0),account,amount) (ERC20.sol#241)
- _mint(owner(),1e6 * (10 ** 9)) (BingDwenDwenCoin.sol#117)
Reentrancy in BDDCDividendTracker.processAccount(address,bool) (BingDwenDwenCoin.sol#724-734):
External calls:
- amount = _withdrawDividendOfUser(account) (BingDwenDwenCoin.sol#725)
- success = IERC20(BUSD).transfer(user,_withdrawableDividend) (DividendPayingToken.sol#79)
Event emitted after the call(s):
- Claim(account,amount,automatic) (BingDwenDwenCoin.sol#729)
Reentrancy in BDDC.processDividendTracker(uint256) (BingDwenDwenCoin.sol#131-134):
External calls:
- (iterations,claims,lastProcessedIndex) = dividendTracker.process(gas) (BingDwenDwenCoin.sol#132)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,false,gas,tx.origin) (BingDwenDwenCoin.sol#133)
Reentrancy in BDDC.swapAndLiquify(uint256) (BingDwenDwenCoin.sol#424-454):
External calls:
- swapTokensForBNB(toSwap) (BingDwenDwenCoin.sol#432)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#494-500)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (BingDwenDwenCoin.sol#440)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (BingDwenDwenCoin.sol#440)
- router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,devWallet,block.timestamp) (BingDwenDwenCoin.sol#510-517)
Event emitted after the call(s):
- Approval(owner,spender,amount) (ERC20.sol#287)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (BingDwenDwenCoin.sol#440)
Reentrancy in BDDC.swapAndSendDividends(uint256) (BingDwenDwenCoin.sol#475-484):
External calls:
- swapTokensForBUSD(tokens) (BingDwenDwenCoin.sol#476)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (BingDwenDwenCoin.sol#466-472)
- success = IERC20(BUSD).transfer(address(dividendTracker),dividends) (BingDwenDwenCoin.sol#478)
- dividendTracker.distributeBUSDDividends(dividends) (BingDwenDwenCoin.sol#481)
Event emitted after the call(s):
- SendDividends(tokens,dividends) (BingDwenDwenCoin.sol#482)
Apply the check-effects-interactions pattern.
Additional information: link
BDDCDividendTracker.getAccount(address) (BingDwenDwenCoin.sol#586-629) uses timestamp for comparisons
Dangerous comparisons:
- nextClaimTime > block.timestamp (BingDwenDwenCoin.sol#626-628)
BDDCDividendTracker.canAutoClaim(uint256) (BingDwenDwenCoin.sol#650-656) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (BingDwenDwenCoin.sol#651)
- block.timestamp.sub(lastClaimTime) >= claimWait (BingDwenDwenCoin.sol#655)
Avoid relying on block.timestamp.
Additional information: link
BDDCDividendTracker.excludeFromDividends(address,bool) (BingDwenDwenCoin.sol#556-569) compares to a boolean constant:
-value == true (BingDwenDwenCoin.sol#559)
Remove the equality to the boolean constant.
Additional information: link
Context._msgData() (Context.sol#20-23) is never used and should be removed
DividendPayingToken._transfer(address,address,uint256) (DividendPayingToken.sol#130-136) is never used and should be removed
SafeMath.div(uint256,uint256) (SafeMath.sol#90-92) is never used and should be removed
SafeMath.div(uint256,uint256,string) (SafeMath.sol#106-112) is never used and should be removed
SafeMath.mod(uint256,uint256) (SafeMath.sol#126-128) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (SafeMath.sol#142-145) is never used and should be removed
SafeMathInt.abs(int256) (SafeMath.sol#200-203) is never used and should be removed
SafeMathInt.div(int256,int256) (SafeMath.sol#171-177) is never used and should be removed
SafeMathInt.mul(int256,int256) (SafeMath.sol#159-166) is never used and should be removed
Remove unused functions.
Additional information: link
Low level call in Address.sendValue(address,uint256) (BingDwenDwenCoin.sol#13-18):
- (success) = recipient.call{value: amount}() (BingDwenDwenCoin.sol#16)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Parameter BDDC.setBuyTaxes(uint256,uint256,uint256,uint256)._rewards (BingDwenDwenCoin.sol#203) is not in mixedCase
Parameter BDDC.setBuyTaxes(uint256,uint256,uint256,uint256)._marketing (BingDwenDwenCoin.sol#203) is not in mixedCase
Parameter BDDC.setBuyTaxes(uint256,uint256,uint256,uint256)._liquidity (BingDwenDwenCoin.sol#203) is not in mixedCase
Parameter BDDC.setBuyTaxes(uint256,uint256,uint256,uint256)._dev (BingDwenDwenCoin.sol#203) is not in mixedCase
Parameter BDDC.setSellTaxes(uint256,uint256,uint256,uint256)._rewards (BingDwenDwenCoin.sol#208) is not in mixedCase
Parameter BDDC.setSellTaxes(uint256,uint256,uint256,uint256)._marketing (BingDwenDwenCoin.sol#208) is not in mixedCase
Parameter BDDC.setSellTaxes(uint256,uint256,uint256,uint256)._liquidity (BingDwenDwenCoin.sol#208) is not in mixedCase
Parameter BDDC.setSellTaxes(uint256,uint256,uint256,uint256)._dev (BingDwenDwenCoin.sol#208) is not in mixedCase
Parameter BDDC.setSwapEnabled(bool)._enabled (BingDwenDwenCoin.sol#215) is not in mixedCase
Variable BDDC.BUSD (BingDwenDwenCoin.sol#35) is not in mixedCase
Variable BDDC._isBot (BingDwenDwenCoin.sol#68) is not in mixedCase
Parameter BDDCDividendTracker.getAccount(address)._account (BingDwenDwenCoin.sol#586) is not in mixedCase
Parameter DividendPayingToken.dividendOf(address)._owner (DividendPayingToken.sol#96) is not in mixedCase
Parameter DividendPayingToken.withdrawableDividendOf(address)._owner (DividendPayingToken.sol#103) is not in mixedCase
Parameter DividendPayingToken.withdrawnDividendOf(address)._owner (DividendPayingToken.sol#110) is not in mixedCase
Parameter DividendPayingToken.accumulativeDividendOf(address)._owner (DividendPayingToken.sol#120) is not in mixedCase
Variable DividendPayingToken.BUSD (DividendPayingToken.sol#22) is not in mixedCase
Constant DividendPayingToken.magnitude (DividendPayingToken.sol#28) is not in UPPER_CASE_WITH_UNDERSCORES
Function IRouter.WETH() (IDex.sol#16) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (Context.sol#21)" inContext (Context.sol#15-25)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (DividendPayingToken.sol#75) is too similar to BDDCDividendTracker.getAccount(address).withdrawableDividends (BingDwenDwenCoin.sol#591)
Prevent variables from having similar names.
Additional information: link
BDDC.setGasForProcessing(uint256) (BingDwenDwenCoin.sol#272-277) uses literals with too many digits:
- require(bool,string)(newValue >= 200000 && newValue <= 500000,BDDC: gasForProcessing must be between 200,000 and 500,000) (BingDwenDwenCoin.sol#273)
BDDC.slitherConstructorVariables() (BingDwenDwenCoin.sol#22-521) uses literals with too many digits:
- gasForProcessing = 300000 (BingDwenDwenCoin.sol#62)
BDDCDividendTracker.getAccountAtIndex(uint256) (BingDwenDwenCoin.sol#631-648) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (BingDwenDwenCoin.sol#642)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
SafeMathInt.MAX_INT256 (SafeMath.sol#154) is never used in SafeMathInt (SafeMath.sol#152-210)
Remove unused state variables.
Additional information: link
BDDC.antiBotBlocks (BingDwenDwenCoin.sol#69) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
updateDividendTracker(address) should be declared external:
- BDDC.updateDividendTracker(address) (BingDwenDwenCoin.sol#121-129)
excludeMultipleAccountsFromFees(address[],bool) should be declared external:
- BDDC.excludeMultipleAccountsFromFees(address[],bool) (BingDwenDwenCoin.sol#171-176)
isExcludedFromFees(address) should be declared external:
- BDDC.isExcludedFromFees(address) (BingDwenDwenCoin.sol#296-298)
withdrawableDividendOf(address) should be declared external:
- BDDC.withdrawableDividendOf(address) (BingDwenDwenCoin.sol#300-302)
dividendTokenBalanceOf(address) should be declared external:
- BDDC.dividendTokenBalanceOf(address) (BingDwenDwenCoin.sol#304-306)
getAccountAtIndex(uint256) should be declared external:
- BDDCDividendTracker.getAccountAtIndex(uint256) (BingDwenDwenCoin.sol#631-648)
setBalance(address,uint256) should be declared external:
- BDDCDividendTracker.setBalance(address,uint256) (BingDwenDwenCoin.sol#659-675)
process(uint256) should be declared external:
- BDDCDividendTracker.process(uint256) (BingDwenDwenCoin.sol#677-722)
distributeBUSDDividends(uint256) should be declared external:
- DividendPayingToken.distributeBUSDDividends(uint256) (DividendPayingToken.sol#53-64)
withdrawDividend() should be declared external:
- DividendPayingToken.withdrawDividend() (DividendPayingToken.sol#68-70)
dividendOf(address) should be declared external:
- DividendPayingToken.dividendOf(address) (DividendPayingToken.sol#96-98)
withdrawnDividendOf(address) should be declared external:
- DividendPayingToken.withdrawnDividendOf(address) (DividendPayingToken.sol#110-112)
name() should be declared external:
- ERC20.name() (ERC20.sol#62-64)
symbol() should be declared external:
- ERC20.symbol() (ERC20.sol#70-72)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (ERC20.sol#113-116)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (ERC20.sol#121-123)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (ERC20.sol#132-135)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (ERC20.sol#150-158)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (ERC20.sol#172-175)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (ERC20.sol#191-194)
get(IterableMapping.Map,address) should be declared external:
- IterableMapping.get(IterableMapping.Map,address) (IterableMapping.sol#13-15)
getIndexOfKey(IterableMapping.Map,address) should be declared external:
- IterableMapping.getIndexOfKey(IterableMapping.Map,address) (IterableMapping.sol#17-22)
getKeyAtIndex(IterableMapping.Map,uint256) should be declared external:
- IterableMapping.getKeyAtIndex(IterableMapping.Map,uint256) (IterableMapping.sol#24-26)
size(IterableMapping.Map) should be declared external:
- IterableMapping.size(IterableMapping.Map) (IterableMapping.sol#30-32)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (Ownable.sol#43-46)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (Ownable.sol#52-56)
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