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$MLNX [MELONx] Token

About $MLNX

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Token 13 months
CoinMarketCap 10 months
white paper

A deflationary and community-driven token that aids women all over the world in their fight against breast cancer.

Laser Scorebeta Last Audit: 30 November 2021

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

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MelonX.addLiquidity(uint256,uint256) (#1496-1511) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1502-1509)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in MelonX._transfer(address,address,uint256) (#1350-1421):
External calls:
- swapAndSendToFee(marketingTokens) (#1377)
- IERC20(BUSD).transfer(_marketingWalletAddress,newBalance) (#1429)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1487-1493)
- swapAndLiquify(swapTokens) (#1380)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1502-1509)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1467-1473)
- swapAndSendDividends(sellTokens) (#1383)
- success = IERC20(BUSD).transfer(address(dividendTracker),dividends) (#1516)
- dividendTracker.distributeBUSDDividends(dividends) (#1519)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1487-1493)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1380)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1502-1509)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1403)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#799)
- _balances[recipient] = _balances[recipient].add(amount) (#800)
- super._transfer(from,to,amount) (#1406)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#799)
- _balances[recipient] = _balances[recipient].add(amount) (#800)
- swapping = false (#1385)
Apply the check-effects-interactions pattern.

Additional information: link

MelonX.swapAndSendToFee(uint256) (#1423-1430) ignores return value by IERC20(BUSD).transfer(_marketingWalletAddress,newBalance) (#1429)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link


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


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.

Reentrancy in MelonX.updateDividendTracker(address) (#1186-1201):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1193)
- newDividendTracker.excludeFromDividends(address(this)) (#1194)
- newDividendTracker.excludeFromDividends(owner()) (#1195)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1196)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#1200)
Apply the check-effects-interactions pattern.

Additional information: link

MelonX._transfer(address,address,uint256).lastProcessedIndex (#1414) 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

MelonX.addLiquidity(uint256,uint256) (#1496-1511) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#1502-1509)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.accumulativeDividendOf(address)._owner (#1012) shadows:
- Ownable._owner (#337) (state variable)
Rename the local variables that shadow another component.

Additional information: link

MelonX.setMarketingFee(uint256) (#1241-1245) should emit an event for:
- marketingFee = value (#1242)
- totalFees = BUSDRewardsFee.add(liquidityFee).add(marketingFee) (#1243)
Emit an event for critical parameter changes.

Additional information: link

MelonX.setMarketingWallet(address).wallet (#1227) lacks a zero-check on :
- _marketingWalletAddress = wallet (#1228)
Check that the address is not zero.

Additional information: link

Variable 'MelonX._transfer(address,address,uint256).lastProcessedIndex (#1414)' in MelonX._transfer(address,address,uint256) (#1350-1421) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1415)
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 MelonX.updateUniswapV2Router(address) (#1203-1210):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1207-1208)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#1209)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in MelonX.updateDividendTracker(address) (#1186-1201):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1193)
- newDividendTracker.excludeFromDividends(address(this)) (#1194)
- newDividendTracker.excludeFromDividends(owner()) (#1195)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1196)
Event emitted after the call(s):
- UpdateDividendTracker(newAddress,address(dividendTracker)) (#1198)
Apply the check-effects-interactions pattern.

Additional information: link

MelonXDividendTracker.canAutoClaim(uint256) (#1649-1655) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#1650)
- block.timestamp.sub(lastClaimTime) >= claimWait (#1654)
Avoid relying on block.timestamp.

Additional information: link

SafeMathInt.mul(int256,int256) (#445-452) is never used and should be removed
Remove unused functions.

Additional information: link

MelonX.totalFees (#1099) is set pre-construction with a non-constant function or state variable:
- BUSDRewardsFee.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

Parameter MelonXDividendTracker.getAccount(address)._account (#1585) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#330)" inContext (#324-333)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#967) is too similar to MelonXDividendTracker.getAccount(address).withdrawableDividends (#1590)
Prevent variables from having similar names.

Additional information: link

MelonXDividendTracker.getAccountAtIndex(uint256) (#1630-1647) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#1641)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#442) is never used in SafeMathInt (#440-488)
Remove unused state variables.

Additional information: link

MelonX.swapTokensAtAmount (#1092) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

process(uint256) should be declared external:
- MelonXDividendTracker.process(uint256) (#1674-1719)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract ticker ($MLNX) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.

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


Telegram account has relatively few subscribers


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


Token has relatively low CoinMarketCap rank

Price for $MLNX