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GLB [Golden Ball] Token

About GLB

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Token 14 months
CoinMarketCap 10 months
white paper

Golden Ball is the next generation BSC token aiming to improve and bring the online betting & gambling transaction system to a decentralized level. Through the GLB token, users will be able to complete faster transactions on betting platforms with lower fees!

Laser Scorebeta Last Audit: 30 November 2021

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

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

CoinToken.addLiquidity(uint256,uint256) (#832-842) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in CoinToken._transfer(address,address,uint256) (#771-806):
External calls:
- swapAndLiquify(contractTokenBalance) (#797)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#823-829)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#797)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#805)
- _rOwned[_devWalletAddress] = _rOwned[_devWalletAddress].add(rDev) (#720)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#712)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#876)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#866)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#618)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#888)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#867)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#889)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#878)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#620)
- _tokenTransfer(from,to,amount,takeFee) (#805)
- _rTotal = _rTotal.sub(rFee) (#665)
- _tokenTransfer(from,to,amount,takeFee) (#805)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#714)
- _tOwned[_devWalletAddress] = _tOwned[_devWalletAddress].add(tDev) (#722)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#887)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#617)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#877)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#619)
Apply the check-effects-interactions pattern.

Additional information: link


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

CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address) (#472-507) performs a multiplication on the result of a division:
-numTokensSellToAddToLiquidity = (_tTotal * 5 / 10000) * 10 ** _decimals (#486)
Consider ordering multiplication before division.

Additional information: link

CoinToken.addLiquidity(uint256,uint256) (#832-842) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
Ensure that all the return values of the function calls are used.

Additional information: link

CoinToken._approve(address,address,uint256).owner (#763) shadows:
- Ownable.owner() (#200-202) (function)
Rename the local variables that shadow another component.

Additional information: link

CoinToken.setNumTokensSellToAddToLiquidity(uint256) (#903-905) should emit an event for:
- numTokensSellToAddToLiquidity = amountToUpdate (#904)
Emit an event for critical parameter changes.

Additional information: link

CoinToken.setDevWalletAddress(address)._addr (#651) lacks a zero-check on :
- _devWalletAddress = _addr (#652)
Check that the address is not zero.

Additional information: link

Reentrancy in CoinToken.transferFrom(address,address,uint256) (#544-548):
External calls:
- _transfer(sender,recipient,amount) (#545)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#823-829)
External calls sending eth:
- _transfer(sender,recipient,amount) (#545)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#546)
- _allowances[owner][spender] = amount (#767)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in CoinToken.transferFrom(address,address,uint256) (#544-548):
External calls:
- _transfer(sender,recipient,amount) (#545)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#823-829)
External calls sending eth:
- _transfer(sender,recipient,amount) (#545)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#834-841)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#768)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#546)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#231-236) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked.) (#233)
Avoid relying on block.timestamp.

Additional information: link

Address._verifyCallResult(bool,bytes,string) (#175-188) uses assembly
- INLINE ASM (#180-183)
Do not use evm assembly.

Additional information: link

SafeMath.trySub(uint256,uint256) (#28-33) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.4 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 Address.functionDelegateCall(address,bytes,string) (#169-173):
- (success,returndata) = target.delegatecall(data) (#171)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable CoinToken._maxTxAmount (#456) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#115)" inContext (#109-118)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#875) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#679)
Prevent variables from having similar names.

Additional information: link

isExcludedFromFee(address) should be declared external:
- CoinToken.isExcludedFromFee(address) (#759-761)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token is deployed only at one blockchain


Token has only one trading pair


Unable to find PancakeSwap trading pair to compute liquidity.


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


Twitter account link seems to be invalid


Unable to find Youtube account


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 audit link on the website


Unable to find token on CoinHunt

Additional information: link


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


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


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Token has relatively low CoinGecko rank

Price for GLB