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CHTR [Coinhunters] Token

About CHTR

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Token 15 months
white paper

Coinhunters token is a highly rewarding liquidity protocol built on the Binance Smart Chain. Coinhunters’ token symbol is $CHTR. We are launching Coinhunters to ensure that the community is rewarded well for its holding power. Apart from its rewards distribution mechanism, we will also put a marketing wallet to ensure that publicity is sufficient enough to populate the moon.

Coinhunters token is backed by coinhunters.cc, a website well known for its comprehensiveness regarding crypto projects. This website is particularly worth mentioning because it is the top crypto voting platform worldwide. Coinhunters will be a huge project in rewarding tokens because of its frequently visited website, tokenomics, and marketing plans.

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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.

Coinhunters.addLiquidity(uint256,uint256) (#1679-1694) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1685-1692)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in Coinhunters._transfer(address,address,uint256) (#1519-1599):
External calls:
- swapAndSendToFee(marketingTokens) (#1555)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1650-1656)
- swapAndLiquify(swapTokens) (#1558)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1685-1692)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1650-1656)
- swapAndSendDividends(sellTokens) (#1561)
- success = IERC20(CAKE).transfer(address(dividendTracker),dividends) (#1699)
- dividendTracker.distributeCAKEDividends(dividends) (#1702)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1670-1676)
External calls sending eth:
- swapAndSendToFee(marketingTokens) (#1555)
- recipient.transfer(amount) (#1612)
- swapAndLiquify(swapTokens) (#1558)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1685-1692)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1581)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#979)
- _balances[recipient] = _balances[recipient].add(amount) (#980)
- super._transfer(from,to,amount) (#1584)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#979)
- _balances[recipient] = _balances[recipient].add(amount) (#980)
- swapping = false (#1563)
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.

Reentrancy in Coinhunters.updateDividendTracker(address) (#1347-1362):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1354)
- newDividendTracker.excludeFromDividends(address(this)) (#1355)
- newDividendTracker.excludeFromDividends(owner()) (#1356)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1357)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#1361)
Apply the check-effects-interactions pattern.

Additional information: link

Coinhunters._transfer(address,address,uint256).lastProcessedIndex (#1592) 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

Coinhunters.addLiquidity(uint256,uint256) (#1679-1694) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1685-1692)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.accumulativeDividendOf(address)._owner (#1181) shadows:
- Ownable._owner (#422) (state variable)
Rename the local variables that shadow another component.

Additional information: link

Coinhunters.setMaxWalletBalance(uint256) (#1412-1414) should emit an event for:
- maxWalletBalance = amount * (10 ** 18) (#1413)
Emit an event for critical parameter changes.

Additional information: link

Coinhunters.setMarketingWallet(address).wallet (#1388) lacks a zero-check on :
- _marketingWalletAddress = wallet (#1389)
Check that the address is not zero.

Additional information: link

Variable 'Coinhunters._transfer(address,address,uint256).claims (#1592)' in Coinhunters._transfer(address,address,uint256) (#1519-1599) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1593)
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 Coinhunters.updateUniswapV2Router(address) (#1364-1371):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1368-1369)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#1370)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Coinhunters.updateDividendTracker(address) (#1347-1362):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1354)
- newDividendTracker.excludeFromDividends(address(this)) (#1355)
- newDividendTracker.excludeFromDividends(owner()) (#1356)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1357)
Event emitted after the call(s):
- UpdateDividendTracker(newAddress,address(dividendTracker)) (#1359)
Apply the check-effects-interactions pattern.

Additional information: link

CHTRDividendTracker.canAutoClaim(uint256) (#1832-1838) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#1833)
- block.timestamp.sub(lastClaimTime) >= claimWait (#1837)
Avoid relying on block.timestamp.

Additional information: link

Different versions of Solidity is used:
- Version used: ['^0.6.12', '^0.6.2']
- ^0.6.12 (#19)
- ^0.6.2 (#34)
- ^0.6.2 (#115)
- ^0.6.2 (#141)
- ^0.6.2 (#160)
- ^0.6.2 (#214)
- ^0.6.2 (#356)
- ^0.6.2 (#419)
- ^0.6.2 (#474)
- ^0.6.2 (#500)
- ^0.6.2 (#536)
- ^0.6.2 (#706)
- ^0.6.2 (#774)
- ^0.6.2 (#790)
- ^0.6.2 (#1072)
- ^0.6.2 (#1234)
Use one Solidity version.

Additional information: link

SafeMathInt.mul(int256,int256) (#719-726) is never used and should be removed
Remove unused functions.

Additional information: link

Coinhunters.totalFees (#1260) is set pre-construction with a non-constant function or state variable:
- CAKERewardsFee.add(liquidityFee).add(marketingFee)
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

Pragma version^0.6.2 (#1234) allows old versions
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

Parameter CHTRDividendTracker.getAccount(address)._account (#1768) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#28)" inContext (#22-31)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in Coinhunters._transfer(address,address,uint256) (#1519-1599):
External calls:
- swapAndSendToFee(marketingTokens) (#1555)
- recipient.transfer(amount) (#1612)
External calls sending eth:
- swapAndSendToFee(marketingTokens) (#1555)
- recipient.transfer(amount) (#1612)
- swapAndLiquify(swapTokens) (#1558)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1685-1692)
State variables written after the call(s):
- swapAndLiquify(swapTokens) (#1558)
- _allowances[owner][spender] = amount (#1045)
- swapAndSendDividends(sellTokens) (#1561)
- _allowances[owner][spender] = amount (#1045)
- super._transfer(from,address(this),fees) (#1581)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#979)
- _balances[recipient] = _balances[recipient].add(amount) (#980)
- super._transfer(from,to,amount) (#1584)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#979)
- _balances[recipient] = _balances[recipient].add(amount) (#980)
- swapping = false (#1563)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1046)
- swapAndLiquify(swapTokens) (#1558)
- Approval(owner,spender,amount) (#1046)
- swapAndSendDividends(sellTokens) (#1561)
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1593)
- SendDividends(tokens,dividends) (#1703)
- swapAndSendDividends(sellTokens) (#1561)
- SwapAndLiquify(half,newBalance,otherHalf) (#1635)
- swapAndLiquify(swapTokens) (#1558)
- Transfer(sender,recipient,amount) (#981)
- super._transfer(from,address(this),fees) (#1581)
- Transfer(sender,recipient,amount) (#981)
- super._transfer(from,to,amount) (#1584)
Apply the check-effects-interactions pattern.

Additional information: link

Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#1136) is too similar to CHTRDividendTracker.getAccount(address).withdrawableDividends (#1773)
Prevent variables from having similar names.

Additional information: link

CHTRDividendTracker.getAccountAtIndex(uint256) (#1813-1830) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#1824)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#714) is never used in SafeMathInt (#712-770)
Remove unused state variables.

Additional information: link

DividendPayingToken.CAKE (#1084) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

process(uint256) should be declared external:
- CHTRDividendTracker.process(uint256) (#1857-1902)
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 Blog account (Reddit or Medium)


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 verify that token and website are owned by the same team (no listings + unable to find contract on website)


Unable to verify token contract address on the website


Unable to find token on CoinHunt

Additional information: link


Unable to find code repository for the project


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death

Price for CHTR