XTR [Xtremcoin] Token
About XTR
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Xtremcoin is an open source highly secured exchange economy, empowering the future of open and online marketplaces. It is used as a type of digital fuel which allows exchange operators to freely run and operate a secured exchange system. The technology is already built and is in production globally and we seek to expand and open up the technology to the world through the Xtremcoin Network and model. It helps increasing the transparency, accessibility and the global penetration of one of the most innovative creation of humanity, exchanges.
Xtremcoin forms an exchange network where participants can share and re-route their liquidity and credit lines and investors have the opportunity to boost launching new exchanges and create new venues for trading globally. Xtremcoin is distributed in the most transparent way following market adoption curve pattern and is distributed on Xtremcoin.com where investors and exchange operators can participate to purchase these tokens.
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Laser Scorebeta Last Audit: 30 November 2021
Reentrancy in Xtremcoin._transfer(address,address,uint256) (#1151-1200):
External calls:
- swapAndLiquify(contractTokenBalance) (#1187)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1234-1240)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1187)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1199)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#1090)
- _rOwned[_charityWalletAddress] = _rOwned[_charityWalletAddress].add(rCharity) (#1098)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1291)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1281)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1303)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1282)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#995)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1304)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1293)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#997)
- _tokenTransfer(from,to,amount,takeFee) (#1199)
- _rTotal = _rTotal.sub(rFee) (#1043)
- _tokenTransfer(from,to,amount,takeFee) (#1199)
- _tOwned[_charityWalletAddress] = _tOwned[_charityWalletAddress].add(tCharity) (#1100)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#1092)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1302)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#994)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1292)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#996)
Apply the check-effects-interactions pattern.
Additional information: link
Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains
Xtremcoin.addLiquidity(uint256,uint256) (#1243-1256) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
Ensure that all the return values of the function calls are used.
Additional information: link
Xtremcoin._approve(address,address,uint256).owner (#1143) shadows:
- Ownable.owner() (#534-536) (function)
Rename the local variables that shadow another component.
Additional information: link
Xtremcoin.setMaxTxPercent(uint256) (#1028-1032) should emit an event for:
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10 ** 2) (#1029-1031)
Emit an event for critical parameter changes.
Additional information: link
Xtremcoin.setCharityAddress(address).charityAdd (#1020) lacks a zero-check on :
- _charityWalletAddress = charityAdd (#1021)
Check that the address is not zero.
Additional information: link
Reentrancy in Xtremcoin.transferFrom(address,address,uint256) (#896-903):
External calls:
- _transfer(sender,recipient,amount) (#900)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1234-1240)
External calls sending eth:
- _transfer(sender,recipient,amount) (#900)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (#901)
- _allowances[owner][spender] = amount (#1147)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in Xtremcoin.transferFrom(address,address,uint256) (#896-903):
External calls:
- _transfer(sender,recipient,amount) (#900)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1234-1240)
External calls sending eth:
- _transfer(sender,recipient,amount) (#900)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1248-1255)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1148)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (#901)
Apply the check-effects-interactions pattern.
Additional information: link
Address._verifyCallResult(bool,bytes,string) (#485-502) uses assembly
- INLINE ASM (#494-497)
Do not use evm assembly.
Additional information: link
SafeMath.trySub(uint256,uint256) (#112-117) is never used and should be removed
Remove unused functions.
Additional information: link
Xtremcoin._previousLiquidityFee (#804) is set pre-construction with a non-constant function or state variable:
- _liquidityFee
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.
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) (#477-483):
- (success,returndata) = target.delegatecall(data) (#481)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Variable Xtremcoin._maxTxAmount (#812) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#314)" inContext (#308-317)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable Xtremcoin._transferFromExcluded(address,address,uint256).rTransferAmount (#1301) is too similar to Xtremcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#993)
Prevent variables from having similar names.
Additional information: link
Xtremcoin.numTokensSellToAddToLiquidity (#813) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
mint(uint256) should be declared external:
- Xtremcoin.mint(uint256) (#1323-1329)
Use the external attribute for functions never called from the contract.
Additional information: link
Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.
Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
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 volume.
Unable to find PancakeSwap trading pair to compute number of swaps.
Young tokens have high risks of price dump / death
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of scam / price dump / death
Token has no active CoinMarketCap listing / rank
Token has relatively low CoinGecko rank
Price for XTR
LASER DESK beta
Twitter account link seems to be invalid
Unable to find Discord account