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XKING [XRPKING] Token

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Laser Scorebeta Last Audit: 5 February 2022

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

XRPKING._claimBNBTo(address,address,uint256) (#559-570) sends eth to arbitrary user
Dangerous calls:
- (sent) = to.call{value: (amountWei)}() (#566)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in XRPKING._claimBNBTo(address,address,uint256) (#559-570):
External calls:
- (sent) = to.call{value: (amountWei)}() (#566)
State variables written after the call(s):
- _isWithdrawing = false (#568)
Reentrancy in XRPKING._taxedTransfer(address,address,uint256,bool,bool) (#886-934):
External calls:
- claimToken(recipient,MainReward,0) (#907)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- (sent) = to.call{value: (amountWei)}() (#566)
External calls sending eth:
- claimToken(recipient,MainReward,0) (#907)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- (sent) = to.call{value: (amountWei)}() (#566)
State variables written after the call(s):
- _removeToken(sender,amount) (#928)
- _balances[addr] = newAmount (#738)
- _balances[addr] = newAmount (#744)
- _addToken(address(this),contractToken) (#929)
- _balances[addr] = newAmount (#720)
- _balances[addr] = newAmount (#726)
- _balances[addr] = newAmount (#731)
- _addToken(recipient,taxedAmount) (#932)
- _balances[addr] = newAmount (#720)
- _balances[addr] = newAmount (#726)
- _balances[addr] = newAmount (#731)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _isWithdrawing = true (#562)
- _isWithdrawing = false (#568)
- _removeToken(sender,amount) (#928)
- _totalShares -= amount (#741)
- _addToken(address(this),contractToken) (#929)
- _totalShares += amount (#723)
- _addToken(recipient,taxedAmount) (#932)
- _totalShares += amount (#723)
- _removeToken(sender,amount) (#928)
- alreadyPaidMain[addr] = mainRewardShare * newAmount (#745)
- _addToken(address(this),contractToken) (#929)
- alreadyPaidMain[addr] = mainRewardShare * newAmount (#727)
- _addToken(recipient,taxedAmount) (#932)
- alreadyPaidMain[addr] = mainRewardShare * newAmount (#727)
- _swapContractToken(AutoLPThreshold,false) (#924)
- alreadyPaidMisc[addr] = miscRewardShare * _balances[addr] (#581)
- _removeToken(sender,amount) (#928)
- alreadyPaidMisc[addr] = miscRewardShare * newAmount (#747)
- _addToken(address(this),contractToken) (#929)
- alreadyPaidMisc[addr] = miscRewardShare * newAmount (#729)
- _addToken(recipient,taxedAmount) (#932)
- alreadyPaidMisc[addr] = miscRewardShare * newAmount (#729)
- _swapContractToken(AutoLPThreshold,false) (#924)
- mainRewardShare += ((MainAmount * DistributionMultiplier) / totalShares) (#782)
- _swapContractToken(AutoLPThreshold,false) (#924)
- miscRewardShare += ((MiscAmount * DistributionMultiplier) / totalShares) (#783)
- _removeToken(sender,amount) (#928)
- toBePaidMain[addr] += mainPayment (#746)
- _addToken(address(this),contractToken) (#929)
- toBePaidMain[addr] += mainPayment (#728)
- _addToken(recipient,taxedAmount) (#932)
- toBePaidMain[addr] += mainPayment (#728)
- _swapContractToken(AutoLPThreshold,false) (#924)
- toBePaidMisc[addr] -= amount (#577)
- toBePaidMisc[addr] += newAmount (#582)
- toBePaidMisc[addr] -= amount (#583)
- _removeToken(sender,amount) (#928)
- toBePaidMisc[addr] += miscPayment (#748)
- _addToken(address(this),contractToken) (#929)
- toBePaidMisc[addr] += miscPayment (#730)
- _addToken(recipient,taxedAmount) (#932)
- toBePaidMisc[addr] += miscPayment (#730)
- _swapContractToken(AutoLPThreshold,false) (#924)
- totalPayouts += amountWei (#565)
Reentrancy in XRPKING.claimToken(address,address,uint256) (#498-543):
External calls:
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
State variables written after the call(s):
- _isWithdrawing = false (#542)
Apply the check-effects-interactions pattern.

Additional information: link

XRPKING.ReleaseLP() (#642-647) ignores return value by liquidityToken.transfer(msg.sender,amount) (#646)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

XRPKING._subtractDividents(address,uint256) (#572-585) uses a dangerous strict equality:
- amount == 0 (#573)
Don't use strict equality to determine if an account has enough Ether or tokens.

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.

Address.isContract(address) (#202-206) uses assembly
- INLINE ASM (#204)
Address._verifyCallResult(bool,bytes,string) (#243-256) uses assembly
- INLINE ASM (#248-251)
Do not use evm assembly.

Additional information: link

Address._verifyCallResult(bool,bytes,string) (#243-256) is never used and should be removed
Address.functionCall(address,bytes) (#212-214) is never used and should be removed
Address.functionCall(address,bytes,string) (#215-217) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#218-220) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#221-226) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#235-237) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#238-242) is never used and should be removed
Address.functionStaticCall(address,bytes) (#227-229) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#230-234) is never used and should be removed
Address.isContract(address) (#202-206) is never used and should be removed
Address.sendValue(address,uint256) (#207-211) is never used and should be removed
EnumerableSet._at(EnumerableSet.Set,uint256) (#293-296) is never used and should be removed
EnumerableSet._length(EnumerableSet.Set) (#290-292) is never used and should be removed
EnumerableSet.add(EnumerableSet.Bytes32Set,bytes32) (#300-302) is never used and should be removed
EnumerableSet.add(EnumerableSet.UintSet,uint256) (#336-338) is never used and should be removed
EnumerableSet.at(EnumerableSet.AddressSet,uint256) (#330-332) is never used and should be removed
EnumerableSet.at(EnumerableSet.Bytes32Set,uint256) (#312-314) is never used and should be removed
EnumerableSet.at(EnumerableSet.UintSet,uint256) (#348-350) is never used and should be removed
EnumerableSet.contains(EnumerableSet.Bytes32Set,bytes32) (#306-308) is never used and should be removed
EnumerableSet.contains(EnumerableSet.UintSet,uint256) (#342-344) is never used and should be removed
EnumerableSet.length(EnumerableSet.AddressSet) (#327-329) is never used and should be removed
EnumerableSet.length(EnumerableSet.Bytes32Set) (#309-311) is never used and should be removed
EnumerableSet.length(EnumerableSet.UintSet) (#345-347) is never used and should be removed
EnumerableSet.remove(EnumerableSet.Bytes32Set,bytes32) (#303-305) is never used and should be removed
EnumerableSet.remove(EnumerableSet.UintSet,uint256) (#339-341) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.11 (#2) 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

XRPKING._distributeStake(uint256,bool) (#763-787) performs a multiplication on the result of a division:
-StakingSplit = (BNBamount * _stakingTax) / totalRatio (#768)
-MainAmount = (StakingSplit * _MainRewardSplit) / 100 (#769)
XRPKING._distributeStake(uint256,bool) (#763-787) performs a multiplication on the result of a division:
-StakingSplit = (BNBamount * _stakingTax) / totalRatio (#768)
-MiscAmount = (StakingSplit * _MiscRewardSplit) / 100 (#770)
XRPKING._distributeStake(uint256,bool) (#763-787) performs a multiplication on the result of a division:
-MainAmount = (StakingSplit * _MainRewardSplit) / 100 (#769)
-mainRewardShare += ((MainAmount * DistributionMultiplier) / totalShares) (#782)
XRPKING._distributeStake(uint256,bool) (#763-787) performs a multiplication on the result of a division:
-MiscAmount = (StakingSplit * _MiscRewardSplit) / 100 (#770)
-miscRewardShare += ((MiscAmount * DistributionMultiplier) / totalShares) (#783)
XRPKING._swapContractToken(uint16,bool) (#798-826) performs a multiplication on the result of a division:
-tokenToSwap = _balances[_pancakePairAddress] * permilleOfPancake / 1000 (#804)
-tokenForLiquidity = (tokenToSwap * _liquidityTax) / totalTax (#813)
Consider ordering multiplication before division.

Additional information: link

XRPKING.constructor() (#420-451) ignores return value by _excluded.add(msg.sender) (#441)
XRPKING.constructor() (#420-451) ignores return value by _excluded.add(MarketingWallet) (#442)
XRPKING.constructor() (#420-451) ignores return value by _excluded.add(Developer) (#443)
XRPKING.constructor() (#420-451) ignores return value by _excluded.add(address(this)) (#444)
XRPKING.constructor() (#420-451) ignores return value by _excluded.add(BurnAddress) (#445)
XRPKING.constructor() (#420-451) ignores return value by _excludedFromStaking.add(address(this)) (#446)
XRPKING.constructor() (#420-451) ignores return value by _excludedFromStaking.add(BurnAddress) (#447)
XRPKING.constructor() (#420-451) ignores return value by _excludedFromStaking.add(address(_pancakeRouter)) (#448)
XRPKING.constructor() (#420-451) ignores return value by _excludedFromStaking.add(_pancakePairAddress) (#449)
XRPKING.RemoveLP() (#650-666) ignores return value by liquidityToken.approve(address(_pancakeRouter),amount) (#655)
XRPKING.RemoveLP() (#650-666) ignores return value by _pancakeRouter.removeLiquidityETHSupportingFeeOnTransferTokens(address(this),amount,0,0,address(this),block.timestamp) (#656-663)
XRPKING._addLiquidity(uint256,uint256) (#842-853) ignores return value by _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
XRPKING.ExcludeFromStaking(address) (#1033-1044) ignores return value by _excludedFromStaking.add(addr) (#1042)
XRPKING.IncludeMeToStaking() (#1047-1053) ignores return value by _excludedFromStaking.remove(msg.sender) (#1050)
XRPKING.IncludeToStaking(address) (#1056-1063) ignores return value by _excludedFromStaking.remove(addr) (#1059)
XRPKING.SetMarketingWallet(address) (#1079-1085) ignores return value by _excluded.remove(prevMarketing) (#1081)
XRPKING.SetMarketingWallet(address) (#1079-1085) ignores return value by _excluded.add(MarketingWallet) (#1083)
XRPKING.SetDevWallet(address) (#1089-1095) ignores return value by _excluded.remove(prevDev) (#1091)
XRPKING.SetDevWallet(address) (#1089-1095) ignores return value by _excluded.add(Developer) (#1093)
XRPKING.ExcludeAccountFromFees(address) (#1099-1102) ignores return value by _excluded.add(account) (#1100)
XRPKING.IncludeAccountToFees(address) (#1105-1108) ignores return value by _excluded.remove(account) (#1106)
XRPKING.setPresale(address) (#1110-1113) ignores return value by _excluded.add(presaleAddress) (#1111)
XRPKING.setPresale(address) (#1110-1113) ignores return value by _excludedFromStaking.add(presaleAddress) (#1112)
Ensure that all the return values of the function calls are used.

Additional information: link

XRPKING.allowance(address,address)._owner (#452) shadows:
- Ownable._owner (#177) (state variable)
XRPKING._approve(address,address,uint256).owner (#459) shadows:
- Ownable.owner() (#184-186) (function)
Rename the local variables that shadow another component.

Additional information: link

XRPKING.WithdrawDev(uint256) (#1007-1012) should emit an event for:
- DevBalance -= amount (#1009)
XRPKING.WithdrawMarketing(uint256) (#1023-1028) should emit an event for:
- MarketingBalance -= amount (#1025)
Emit an event for critical parameter changes.

Additional information: link

XRPKING.ChangeMiscReward(address).newReward (#619) lacks a zero-check on :
- MiscReward = newReward (#620)
XRPKING.SetMarketingWallet(address).addr (#1079) lacks a zero-check on :
- MarketingWallet = addr (#1082)
XRPKING.SetDevWallet(address).addr (#1089) lacks a zero-check on :
- Developer = addr (#1092)
Check that the address is not zero.

Additional information: link

Reentrancy in XRPKING.TriggerBuyBack(uint256) (#964-982):
External calls:
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: weiAmount}(0,path,BurnAddress,block.timestamp) (#972-976)
State variables written after the call(s):
- _circulatingSupply -= boughtTokens (#979)
- tokensBurnt += boughtTokens (#980)
Reentrancy in XRPKING._swapContractToken(uint16,bool) (#798-826):
External calls:
- _swapTokenForBNB(swapToken) (#819)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- _addLiquidity(liqToken,liqBNB) (#822)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
External calls sending eth:
- _addLiquidity(liqToken,liqBNB) (#822)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
State variables written after the call(s):
- _distributeStake(distributeBNB,true) (#825)
- BuyBackBalance += BuyBackSplit (#773)
- _distributeStake(distributeBNB,true) (#825)
- DevBalance += DevSplit (#772)
- _distributeStake(distributeBNB,true) (#825)
- MarketingBalance += MarketingSplit (#771)
- MarketingBalance += StakingSplit (#780)
- _addLiquidity(liqToken,liqBNB) (#822)
- _allowances[owner][spender] = amount (#463)
- _distributeStake(distributeBNB,true) (#825)
- mainRewardShare += ((MainAmount * DistributionMultiplier) / totalShares) (#782)
- _distributeStake(distributeBNB,true) (#825)
- miscRewardShare += ((MiscAmount * DistributionMultiplier) / totalShares) (#783)
- _distributeStake(distributeBNB,true) (#825)
- totalRewards += StakingSplit (#776)
Reentrancy in XRPKING._taxedTransfer(address,address,uint256,bool,bool) (#886-934):
External calls:
- claimToken(recipient,MainReward,0) (#907)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- (sent) = to.call{value: (amountWei)}() (#566)
External calls sending eth:
- claimToken(recipient,MainReward,0) (#907)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- (sent) = to.call{value: (amountWei)}() (#566)
State variables written after the call(s):
- _swapContractToken(AutoLPThreshold,false) (#924)
- _allowances[owner][spender] = amount (#463)
- _circulatingSupply -= tokensToBeBurnt (#930)
- tokensBurnt += tokensToBeBurnt (#931)
Reentrancy in XRPKING.constructor() (#420-451):
External calls:
- _pancakePairAddress = IPancakeFactory(_pancakeRouter.factory()).createPair(address(this),_pancakeRouter.WETH()) (#429)
State variables written after the call(s):
- Developer = msg.sender (#436)
- MarketingWallet = msg.sender (#435)
- MaxWallet = _totalSupply / MaxWalletDivider (#439)
- _allowances[address(this)][address(_pancakeRouter)] = type()(uint256).max (#432)
- _approve(address(this),address(_pancakeRouter),type()(uint256).max) (#450)
- _allowances[owner][spender] = amount (#463)
- _addToken(msg.sender,_totalSupply) (#430)
- _balances[addr] = newAmount (#720)
- _balances[addr] = newAmount (#726)
- _balances[addr] = newAmount (#731)
- _addToken(msg.sender,_totalSupply) (#430)
- _totalShares += amount (#723)
- _addToken(msg.sender,_totalSupply) (#430)
- alreadyPaidMain[addr] = mainRewardShare * newAmount (#727)
- _addToken(msg.sender,_totalSupply) (#430)
- alreadyPaidMisc[addr] = miscRewardShare * newAmount (#729)
- sellLimit = _totalSupply / SellLimitDivider (#438)
- _addToken(msg.sender,_totalSupply) (#430)
- toBePaidMain[addr] += mainPayment (#728)
- _addToken(msg.sender,_totalSupply) (#430)
- toBePaidMisc[addr] += miscPayment (#730)
Reentrancy in XRPKING.transferFrom(address,address,uint256) (#484-492):
External calls:
- _transfer(sender,recipient,amount) (#485)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- (sent) = to.call{value: (amountWei)}() (#566)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
External calls sending eth:
- _transfer(sender,recipient,amount) (#485)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- (sent) = to.call{value: (amountWei)}() (#566)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
State variables written after the call(s):
- _approve(sender,msg.sender,currentAllowance - amount) (#490)
- _allowances[owner][spender] = amount (#463)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in XRPKING.TriggerBuyBack(uint256) (#964-982):
External calls:
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: weiAmount}(0,path,BurnAddress,block.timestamp) (#972-976)
Event emitted after the call(s):
- Buyback(weiAmount,boughtTokens) (#981)
Reentrancy in XRPKING._claimBNBTo(address,address,uint256) (#559-570):
External calls:
- (sent) = to.call{value: (amountWei)}() (#566)
Event emitted after the call(s):
- OnClaimBNB(from,to,amountWei) (#569)
Reentrancy in XRPKING._swapContractToken(uint16,bool) (#798-826):
External calls:
- _swapTokenForBNB(swapToken) (#819)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- _addLiquidity(liqToken,liqBNB) (#822)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
External calls sending eth:
- _addLiquidity(liqToken,liqBNB) (#822)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#464)
- _addLiquidity(liqToken,liqBNB) (#822)
Reentrancy in XRPKING._swapContractToken(uint16,bool) (#798-826):
External calls:
- _swapTokenForBNB(swapToken) (#819)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- _addLiquidity(liqToken,liqBNB) (#822)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _claimBNBTo(distribute,distribute,newLiq) (#825)
- (sent) = to.call{value: (amountWei)}() (#566)
External calls sending eth:
- _addLiquidity(liqToken,liqBNB) (#822)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _claimBNBTo(distribute,distribute,newLiq) (#825)
- (sent) = to.call{value: (amountWei)}() (#566)
Event emitted after the call(s):
- OnClaimBNB(from,to,amountWei) (#569)
- _claimBNBTo(distribute,distribute,newLiq) (#825)
Reentrancy in XRPKING._taxedTransfer(address,address,uint256,bool,bool) (#886-934):
External calls:
- claimToken(recipient,MainReward,0) (#907)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- (sent) = to.call{value: (amountWei)}() (#566)
External calls sending eth:
- claimToken(recipient,MainReward,0) (#907)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
- _swapContractToken(AutoLPThreshold,false) (#924)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- (sent) = to.call{value: (amountWei)}() (#566)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#464)
- _swapContractToken(AutoLPThreshold,false) (#924)
- OnClaimBNB(from,to,amountWei) (#569)
- _swapContractToken(AutoLPThreshold,false) (#924)
- Transfer(sender,recipient,taxedAmount) (#933)
Reentrancy in XRPKING.claimToken(address,address,uint256) (#498-543):
External calls:
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
Event emitted after the call(s):
- OnWithdrawToken(amount,token,addr) (#541)
Reentrancy in XRPKING.constructor() (#420-451):
External calls:
- _pancakePairAddress = IPancakeFactory(_pancakeRouter.factory()).createPair(address(this),_pancakeRouter.WETH()) (#429)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#464)
- _approve(address(this),address(_pancakeRouter),type()(uint256).max) (#450)
- Transfer(address(0),msg.sender,_totalSupply) (#431)
Reentrancy in XRPKING.transferFrom(address,address,uint256) (#484-492):
External calls:
- _transfer(sender,recipient,amount) (#485)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- _pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,address(this),block.timestamp) (#833-839)
- (sent) = to.call{value: (amountWei)}() (#566)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
External calls sending eth:
- _transfer(sender,recipient,amount) (#485)
- _pancakeRouter.addLiquidityETH{value: bnbamount}(address(this),tokenamount,0,0,address(this),block.timestamp) (#845-852)
- (sent) = to.call{value: (amountWei)}() (#566)
- _pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,addr,block.timestamp) (#535-539)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#464)
- _approve(sender,msg.sender,currentAllowance - amount) (#490)
Apply the check-effects-interactions pattern.

Additional information: link

XRPKING._lockLiquidityTokens(uint256) (#635-639) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(newUnlockTime > _liquidityUnlockTime) (#637)
XRPKING.ReleaseLP() (#642-647) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp >= _liquidityUnlockTime,Not yet unlocked) (#643)
XRPKING.RemoveLP() (#650-666) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp >= _liquidityUnlockTime,Not yet unlocked) (#651)
XRPKING.RecoverBNB() (#669-674) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp >= _liquidityUnlockTime,Not yet unlocked) (#670)
XRPKING.getLiquidityUnlockInSeconds() (#1193-1198) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp < _liquidityUnlockTime (#1194)
Avoid relying on block.timestamp.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#207-211):
- (success) = recipient.call{value: amount}() (#209)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#221-226):
- (success,returndata) = target.call{value: value}(data) (#224)
Low level call in Address.functionStaticCall(address,bytes,string) (#230-234):
- (success,returndata) = target.staticcall(data) (#232)
Low level call in Address.functionDelegateCall(address,bytes,string) (#238-242):
- (success,returndata) = target.delegatecall(data) (#240)
Low level call in XRPKING._claimBNBTo(address,address,uint256) (#559-570):
- (sent) = to.call{value: (amountWei)}() (#566)
Low level call in XRPKING.RemoveLP() (#650-666):
- (sent) = msg.sender.call{value: (address(this).balance)}() (#664)
Low level call in XRPKING.RecoverBNB() (#669-674):
- (sent) = msg.sender.call{value: (address(this).balance)}() (#672)
Low level call in XRPKING.WithdrawAllDev() (#999-1004):
- (sent) = Developer.call{value: (amount)}() (#1002)
Low level call in XRPKING.WithdrawDev(uint256) (#1007-1012):
- (sent) = Developer.call{value: (amount)}() (#1010)
Low level call in XRPKING.WithdrawAllMarketing() (#1015-1020):
- (sent) = MarketingWallet.call{value: (amount)}() (#1018)
Low level call in XRPKING.WithdrawMarketing(uint256) (#1023-1028):
- (sent) = MarketingWallet.call{value: (amount)}() (#1026)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IPancakeERC20.DOMAIN_SEPARATOR() (#30) is not in mixedCase
Function IPancakeERC20.PERMIT_TYPEHASH() (#31) is not in mixedCase
Function IPancakeRouter01.WETH() (#130) is not in mixedCase
Event XRPKINGonUpdateLPThreshold(uint16) (#695) is not in CapWords
Event XRPKINGonBurnTokens(uint256) (#985) is not in CapWords
Parameter XRPKING.allowance(address,address)._owner (#452) is not in mixedCase
Function XRPKING.ClaimMainReward() (#546-548) is not in mixedCase
Function XRPKING.ClaimMiscReward() (#551-555) is not in mixedCase
Function XRPKING.ChangeMainReward(address) (#611-615) is not in mixedCase
Function XRPKING.ChangeMiscReward(address) (#619-622) is not in mixedCase
Function XRPKING.LockLiquidityTokens(uint256) (#631-634) is not in mixedCase
Function XRPKING.ReleaseLP() (#642-647) is not in mixedCase
Function XRPKING.RemoveLP() (#650-666) is not in mixedCase
Function XRPKING.RecoverBNB() (#669-674) is not in mixedCase
Function XRPKING.UpdateAutoLPThreshold(uint16) (#696-701) is not in mixedCase
Parameter XRPKING.UpdateAutoLPThreshold(uint16).Threshold (#696) is not in mixedCase
Function XRPKING.CreateLPandBNB(uint16,bool) (#704-706) is not in mixedCase
Parameter XRPKING.CreateLPandBNB(uint16,bool).PermilleOfPancake (#704) is not in mixedCase
Function XRPKING.ManualBNBSwap(bool) (#857-859) is not in mixedCase
Function XRPKING.TriggerBuyBack(uint256) (#964-982) is not in mixedCase
Function XRPKING.BurnTokens(uint256) (#986-996) is not in mixedCase
Function XRPKING.WithdrawAllDev() (#999-1004) is not in mixedCase
Function XRPKING.WithdrawDev(uint256) (#1007-1012) is not in mixedCase
Function XRPKING.WithdrawAllMarketing() (#1015-1020) is not in mixedCase
Function XRPKING.WithdrawMarketing(uint256) (#1023-1028) is not in mixedCase
Function XRPKING.ExcludeFromStaking(address) (#1033-1044) is not in mixedCase
Function XRPKING.IncludeMeToStaking() (#1047-1053) is not in mixedCase
Function XRPKING.IncludeToStaking(address) (#1056-1063) is not in mixedCase
Function XRPKING.SetMarketingWallet(address) (#1079-1085) is not in mixedCase
Function XRPKING.SetDevWallet(address) (#1089-1095) is not in mixedCase
Function XRPKING.ExcludeAccountFromFees(address) (#1099-1102) is not in mixedCase
Function XRPKING.IncludeAccountToFees(address) (#1105-1108) is not in mixedCase
Function XRPKING.UpdateTaxes(uint8,uint8,uint8,uint8,uint8,uint8,uint8,uint8,uint8) (#1121-1139) is not in mixedCase
Function XRPKING.UpdateRewardSplit(uint8,uint8) (#1143-1149) is not in mixedCase
Parameter XRPKING.UpdateRewardSplit(uint8,uint8).MainSplit (#1143) is not in mixedCase
Parameter XRPKING.UpdateRewardSplit(uint8,uint8).MiscSplit (#1143) is not in mixedCase
Function XRPKING.UpdateLimits(uint256,uint256) (#1152-1166) is not in mixedCase
Constant XRPKING._name (#363) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XRPKING._symbol (#364) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XRPKING._decimals (#365) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XRPKING._totalSupply (#366) is not in UPPER_CASE_WITH_UNDERSCORES
Variable XRPKING._circulatingSupply (#367) is not in mixedCase
Constant XRPKING.MaxWalletDivider (#368) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XRPKING.SellLimitDivider (#369) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XRPKING.MaxTax (#370) is not in UPPER_CASE_WITH_UNDERSCORES
Variable XRPKING._MainRewardSplit (#383) is not in mixedCase
Variable XRPKING._MiscRewardSplit (#384) is not in mixedCase
Variable XRPKING.MaxWallet (#385) is not in mixedCase
Variable XRPKING.MarketingWallet (#387) is not in mixedCase
Variable XRPKING.Developer (#388) is not in mixedCase
Variable XRPKING.BurnAddress (#389) is not in mixedCase
Constant XRPKING.blacklistBlocks (#395) is not in UPPER_CASE_WITH_UNDERSCORES
Variable XRPKING.MainReward (#403) is not in mixedCase
Variable XRPKING.MiscReward (#404) is not in mixedCase
Variable XRPKING.PancakeRouter (#408) is not in mixedCase
Constant XRPKING.StakeMulti (#678) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XRPKING.DistributionMultiplier (#679) is not in UPPER_CASE_WITH_UNDERSCORES
Variable XRPKING.MarketingBalance (#685) is not in mixedCase
Variable XRPKING.DevBalance (#686) is not in mixedCase
Variable XRPKING.BuyBackBalance (#687) is not in mixedCase
Variable XRPKING.AutoLPThreshold (#688) is not in mixedCase
Variable XRPKING.Staker (#791) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IPancakeRouter01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#50) is too similar to IPancakeRouter01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#51)
Prevent variables from having similar names.

Additional information: link

XRPKING.slitherConstructorVariables() (#354-1206) uses literals with too many digits:
- BurnAddress = 0x000000000000000000000000000000000000dEaD (#389)
XRPKING.slitherConstructorConstantVariables() (#354-1206) uses literals with too many digits:
- _totalSupply = 100000 * 10 ** _decimals (#366)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

XRPKING.BurnAddress (#389) should be constant
XRPKING.Staker (#791) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#191-194)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#195-199)
ClaimMainReward() should be declared external:
- XRPKING.ClaimMainReward() (#546-548)
ClaimMiscReward() should be declared external:
- XRPKING.ClaimMiscReward() (#551-555)
getMainBalance(address) should be declared external:
- XRPKING.getMainBalance(address) (#598-601)
getMiscBalance(address) should be declared external:
- XRPKING.getMiscBalance(address) (#604-607)
ChangeMainReward(address) should be declared external:
- XRPKING.ChangeMainReward(address) (#611-615)
ChangeMiscReward(address) should be declared external:
- XRPKING.ChangeMiscReward(address) (#619-622)
LockLiquidityTokens(uint256) should be declared external:
- XRPKING.LockLiquidityTokens(uint256) (#631-634)
ReleaseLP() should be declared external:
- XRPKING.ReleaseLP() (#642-647)
RemoveLP() should be declared external:
- XRPKING.RemoveLP() (#650-666)
RecoverBNB() should be declared external:
- XRPKING.RecoverBNB() (#669-674)
UpdateAutoLPThreshold(uint16) should be declared external:
- XRPKING.UpdateAutoLPThreshold(uint16) (#696-701)
CreateLPandBNB(uint16,bool) should be declared external:
- XRPKING.CreateLPandBNB(uint16,bool) (#704-706)
ManualBNBSwap(bool) should be declared external:
- XRPKING.ManualBNBSwap(bool) (#857-859)
TriggerBuyBack(uint256) should be declared external:
- XRPKING.TriggerBuyBack(uint256) (#964-982)
BurnTokens(uint256) should be declared external:
- XRPKING.BurnTokens(uint256) (#986-996)
WithdrawAllDev() should be declared external:
- XRPKING.WithdrawAllDev() (#999-1004)
WithdrawDev(uint256) should be declared external:
- XRPKING.WithdrawDev(uint256) (#1007-1012)
WithdrawAllMarketing() should be declared external:
- XRPKING.WithdrawAllMarketing() (#1015-1020)
WithdrawMarketing(uint256) should be declared external:
- XRPKING.WithdrawMarketing(uint256) (#1023-1028)
ExcludeFromStaking(address) should be declared external:
- XRPKING.ExcludeFromStaking(address) (#1033-1044)
IncludeMeToStaking() should be declared external:
- XRPKING.IncludeMeToStaking() (#1047-1053)
IncludeToStaking(address) should be declared external:
- XRPKING.IncludeToStaking(address) (#1056-1063)
setBlacklistStatus(address[],bool) should be declared external:
- XRPKING.setBlacklistStatus(address[],bool) (#1065-1069)
enableBlacklist(bool) should be declared external:
- XRPKING.enableBlacklist(bool) (#1072-1075)
SetMarketingWallet(address) should be declared external:
- XRPKING.SetMarketingWallet(address) (#1079-1085)
SetDevWallet(address) should be declared external:
- XRPKING.SetDevWallet(address) (#1089-1095)
ExcludeAccountFromFees(address) should be declared external:
- XRPKING.ExcludeAccountFromFees(address) (#1099-1102)
IncludeAccountToFees(address) should be declared external:
- XRPKING.IncludeAccountToFees(address) (#1105-1108)
setPresale(address) should be declared external:
- XRPKING.setPresale(address) (#1110-1113)
UpdateTaxes(uint8,uint8,uint8,uint8,uint8,uint8,uint8,uint8,uint8) should be declared external:
- XRPKING.UpdateTaxes(uint8,uint8,uint8,uint8,uint8,uint8,uint8,uint8,uint8) (#1121-1139)
UpdateRewardSplit(uint8,uint8) should be declared external:
- XRPKING.UpdateRewardSplit(uint8,uint8) (#1143-1149)
UpdateLimits(uint256,uint256) should be declared external:
- XRPKING.UpdateLimits(uint256,uint256) (#1152-1166)
getLimits() should be declared external:
- XRPKING.getLimits() (#1189-1191)
getLiquidityUnlockInSeconds() should be declared external:
- XRPKING.getLiquidityUnlockInSeconds() (#1193-1198)
getTaxes() should be declared external:
- XRPKING.getTaxes() (#1200-1202)
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.


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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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