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SPX [SCOPX] Token

About SPX

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Token 16 months
white paper

SCOPX Token (SCX) is a decentralized community driven and fair launch Defi token.

SCOPXToken usecases are to develop Daps Website (scopxtoken.nft) the Decentralized marketplace with the ability to minting NFT, to buy and sell arts, music, ideas and services.

Online retail marketplace on blockchain platform. Scopxtoken will be use as utility token for all this services.

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Laser Scorebeta Last Audit: 30 November 2021

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

SCOPXTOKEN.addLiquidity(uint256,uint256) (#1214-1227) sends eth to arbitrary user
Dangerous calls:
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in SCOPXTOKEN._transfer(address,address,uint256) (#1133-1177):
External calls:
- swapAndLiquify(contractTokenBalance) (#1164)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- pancakeSwapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1205-1211)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1164)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- _marketingWallet.transfer(ethForMarketing) (#1193)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1176)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#1085)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1266)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1275)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1286)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1296)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1267)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1277)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1287)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1298)
- _tokenTransfer(from,to,amount,takeFee) (#1176)
- _rTotal = _rTotal.sub(rFee) (#1040)
- _tokenTransfer(from,to,amount,takeFee) (#1176)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#1087)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1285)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1295)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1276)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1297)
- _tokenTransfer(from,to,amount,takeFee) (#1176)
- totalLiqFee = _previousTotalLiqFee (#1114)
- totalLiqFee = 0 (#1109)
Apply the check-effects-interactions pattern.

Additional information: link


Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains


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.

SCOPXTOKEN.addLiquidity(uint256,uint256) (#1214-1227) ignores return value by pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
Ensure that all the return values of the function calls are used.

Additional information: link

SCOPXTOKEN._approve(address,address,uint256).owner (#1125) shadows:
- Ownable.owner() (#557-559) (function)
Rename the local variables that shadow another component.

Additional information: link

SCOPXTOKEN.setMaxTxPercent(uint256) (#1022-1025) should emit an event for:
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10 ** 2) (#1024)
Emit an event for critical parameter changes.

Additional information: link

SCOPXTOKEN.transferStuckETH(address,uint256).recipient (#1251) lacks a zero-check on :
- recipient.transfer(amount) (#1252)
Check that the address is not zero.

Additional information: link

Reentrancy in SCOPXTOKEN.transferFrom(address,address,uint256) (#916-920):
External calls:
- _transfer(sender,recipient,amount) (#917)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- pancakeSwapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1205-1211)
External calls sending eth:
- _transfer(sender,recipient,amount) (#917)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- _marketingWallet.transfer(ethForMarketing) (#1193)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (#918)
- _allowances[owner][spender] = amount (#1129)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in SCOPXTOKEN.transferFrom(address,address,uint256) (#916-920):
External calls:
- _transfer(sender,recipient,amount) (#917)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- pancakeSwapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1205-1211)
External calls sending eth:
- _transfer(sender,recipient,amount) (#917)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- _marketingWallet.transfer(ethForMarketing) (#1193)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1130)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (#918)
Apply the check-effects-interactions pattern.

Additional information: link

Address._verifyCallResult(bool,bytes,string) (#508-525) uses assembly
- INLINE ASM (#517-520)
Do not use evm assembly.

Additional information: link

SafeMath.trySub(uint256,uint256) (#135-140) is never used and should be removed
Remove unused functions.

Additional information: link

SCOPXTOKEN._previousTotalLiqFee (#827) is set pre-construction with a non-constant function or state variable:
- totalLiqFee
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-0.8.5 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) (#500-506):
- (success,returndata) = target.delegatecall(data) (#504)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable SCOPXTOKEN._maxTxAmount (#837) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#337)" inContext (#331-340)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in SCOPXTOKEN.transferFrom(address,address,uint256) (#916-920):
External calls:
- _transfer(sender,recipient,amount) (#917)
- _marketingWallet.transfer(ethForMarketing) (#1193)
External calls sending eth:
- _transfer(sender,recipient,amount) (#917)
- pancakeSwapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1219-1226)
- _marketingWallet.transfer(ethForMarketing) (#1193)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (#918)
- _allowances[owner][spender] = amount (#1129)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1130)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (#918)
Apply the check-effects-interactions pattern.

Additional information: link

Variable SCOPXTOKEN._transferFromExcluded(address,address,uint256).rTransferAmount (#1284) is too similar to SCOPXTOKEN._getValues(uint256).tTransferAmount (#1045)
Prevent variables from having similar names.

Additional information: link

SCOPXTOKEN._tTotal (#811) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

updateUniswapV2Router(address) should be declared external:
- SCOPXTOKEN.updateUniswapV2Router(address) (#1255-1262)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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.


Twitter account link seems to be invalid


Unable to find Youtube account


Unable to find Discord account


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

Additional information: link


Unable to find token on CoinGecko

Additional information: link


Unable to find token on CoinMarketCap

Additional information: link


Unable to find whitepaper link on the website


Unable to find Telegram link on the website


Unable to find token on CoinHunt

Additional information: link


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


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank


Token has a considerable age, but social accounts / website are missing or have few users


Token has a considerable age, but average PancakeSwap 30d trading volume is low


Young tokens have high risks of price dump / death

Price for SPX