You buy on BSC, we farm on multiple chains and return the profits to $MVC holders
MultiVerseCapital.swap() (#594-634) sends eth to arbitrary user
Dangerous calls:
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
Ensure that an arbitrary user cannot withdraw unauthorized funds.
Additional information: link
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Reentrancy in MultiVerseCapital.swap() (#594-634):
External calls:
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- _farmAndBuybackFeeCollected = 0 (#630)
- _marketingFeeCollected = 0 (#631)
Reentrancy in MultiVerseCapital._transfer(address,address,uint256) (#500-553):
External calls:
- swap() (#513)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- swap() (#513)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _farmAndBuybackFeeCollected = _farmAndBuybackFeeCollected.add(marketingFee) (#566)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _marketingFeeCollected = _marketingFeeCollected.add(teamFee) (#567)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _reflectionBalance[address(this)] = _reflectionBalance[address(this)].add(otherFee.mul(rate)) (#580)
- _reflectionBalance[sender] = _reflectionBalance[sender].sub(amount.mul(rate)) (#535-537)
- _reflectionBalance[recipient] = _reflectionBalance[recipient].add(transferAmount.mul(rate)) (#538-540)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _reflectionTotal = _reflectionTotal.sub(taxFee.mul(rate)) (#588)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _tokenBalance[address(this)] = _tokenBalance[address(this)].add(otherFee) (#582)
- _tokenBalance[sender] = _tokenBalance[sender].sub(amount) (#544)
- _tokenBalance[recipient] = _tokenBalance[recipient].add(transferAmount) (#547-549)
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.
Contract ownership is not renounced (belongs to a wallet)
Contract name (Multiverse Capital (MVC.finance)) 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.
MultiVerseCapital.swap() (#594-634) performs a multiplication on the result of a division:
-amountDev = amountMarketing.div(5).mul(2) (#624)
Consider ordering multiplication before division.
Additional information: link
MultiVerseCapital._reflectionTotal (#311) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tokenTotal))
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
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#232) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#233)
Prevent variables from having similar names.
Additional information: link
MultiVerseCapital.slitherConstructorVariables() (#297-744) uses literals with too many digits:
- minTokensBeforeSwap = 500000000 * 10 ** 18 (#334)
MultiVerseCapital.slitherConstructorVariables() (#297-744) uses literals with too many digits:
- _tokenTotal = 1000000000000 * 10 ** 18 (#310)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#78-101) uses assembly
- INLINE ASM (#93-96)
Address.isContract(address) (#27-36) uses assembly
- INLINE ASM (#32-34)
Do not use evm assembly.
Additional information: link
Pragma version^0.6.0 (#24) 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
decimals() should be declared external:
- MultiVerseCapital.decimals() (#391-393)
approve(address,uint256) should be declared external:
- MultiVerseCapital.approve(address,uint256) (#413-416)
allowance(address,address) should be declared external:
- MultiVerseCapital.allowance(address,address) (#409-411)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#138-141)
totalSupply() should be declared external:
- MultiVerseCapital.totalSupply() (#395-397)
isExcludedFromReward(address) should be declared external:
- MultiVerseCapital.isExcludedFromReward(address) (#453-455)
transferFrom(address,address,uint256) should be declared external:
- MultiVerseCapital.transferFrom(address,address,uint256) (#418-430)
symbol() should be declared external:
- MultiVerseCapital.symbol() (#387-389)
reflectionFromToken(uint256) should be declared external:
- MultiVerseCapital.reflectionFromToken(uint256) (#457-460)
transfer(address,uint256) should be declared external:
- MultiVerseCapital.transfer(address,uint256) (#404-407)
owner() should be declared external:
- Ownable.owner() (#129-131)
name() should be declared external:
- MultiVerseCapital.name() (#383-385)
decreaseAllowance(address,uint256) should be declared external:
- MultiVerseCapital.decreaseAllowance(address,uint256) (#441-451)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#143-150)
increaseAllowance(address,uint256) should be declared external:
- MultiVerseCapital.increaseAllowance(address,uint256) (#432-439)
Use the external attribute for functions never called from the contract.
Additional information: link
MultiVerseCapital.includeInReward(address) (#479-490) has costly operations inside a loop:
- _excludedFromReward.pop() (#486)
Use a local variable to hold the loop computation result.
Additional information: link
MultiVerseCapital.allowance(address,address).owner (#409) shadows:
- Ownable.owner() (#129-131) (function)
MultiVerseCapital._approve(address,address,uint256).owner (#492) shadows:
- Ownable.owner() (#129-131) (function)
Rename the local variables that shadow another component.
Additional information: link
MultiVerseCapital.setMaxTxAmount(uint256) (#716-719) should emit an event for:
- maxTxAmount = _newAmount (#718)
MultiVerseCapital.setMinTokensBeforeSwap(uint256) (#721-723) should emit an event for:
- minTokensBeforeSwap = _amount (#722)
Emit an event for critical parameter changes.
Additional information: link
MultiVerseCapital.setMarketingWallet(address)._address (#708) lacks a zero-check on :
- marketingWallet = _address (#709)
MultiVerseCapital.setPairRouterRewardToken(address,IUniswapV2Router02)._pair (#662) lacks a zero-check on :
- pair = _pair (#663)
MultiVerseCapital.setDevWallet(address)._address (#712) lacks a zero-check on :
- devWallet = _address (#713)
MultiVerseCapital.setFarmAndBuybackWallet(address)._address (#704) lacks a zero-check on :
- farmAndBuybackWallet = _address (#705)
Check that the address is not zero.
Additional information: link
Reentrancy in MultiVerseCapital.transferFrom(address,address,uint256) (#418-430):
External calls:
- _transfer(sender,recipient,amount) (#419)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- _transfer(sender,recipient,amount) (#419)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#421-428)
- _allowances[owner][spender] = amount (#496)
Reentrancy in MultiVerseCapital._transfer(address,address,uint256) (#500-553):
External calls:
- swap() (#513)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- swap() (#513)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _feeTotal = _feeTotal.add(taxFee).add(otherFee) (#590)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in MultiVerseCapital.transferFrom(address,address,uint256) (#418-430):
External calls:
- _transfer(sender,recipient,amount) (#419)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- _transfer(sender,recipient,amount) (#419)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#497)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#421-428)
Reentrancy in MultiVerseCapital._transfer(address,address,uint256) (#500-553):
External calls:
- swap() (#513)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- swap() (#513)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
Event emitted after the call(s):
- Transfer(account,address(this),otherFee) (#584)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- Transfer(sender,recipient,transferAmount) (#552)
Reentrancy in MultiVerseCapital.swap() (#594-634):
External calls:
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(totalFeeToSell,0,sellPath,address(this),block.timestamp) (#607-613)
External calls sending eth:
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
Event emitted after the call(s):
- Swap(totalFeeToSell,amountFee) (#633)
Apply the check-effects-interactions pattern.
Additional information: link
Address.sendValue(address,uint256) (#38-50) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#60-68) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#210-213) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#70-76) is never used and should be removed
Context._msgData() (#109-112) is never used and should be removed
SafeMath.mod(uint256,uint256) (#206-208) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#78-101) is never used and should be removed
Address.isContract(address) (#27-36) is never used and should be removed
Address.functionCall(address,bytes,string) (#56-58) is never used and should be removed
Address.functionCall(address,bytes) (#52-54) is never used and should be removed
Remove unused functions.
Additional information: link
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#78-101):
- (success,returndata) = target.call{value: weiValue}(data) (#82-84)
Low level call in Address.sendValue(address,uint256) (#38-50):
- (success) = recipient.call{value: amount}() (#45)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Variable MultiVerseCapital._isExcludedFromFee (#313) is not in mixedCase
Variable MultiVerseCapital._feeDecimal (#318) is not in mixedCase
Variable MultiVerseCapital._marketingFee (#322) is not in mixedCase
Variable MultiVerseCapital._farmAndBuybackFee (#323) is not in mixedCase
Variable MultiVerseCapital._transferFee (#321) is not in mixedCase
Variable MultiVerseCapital._feeTotal (#325) is not in mixedCase
Variable MultiVerseCapital._farmAndBuybackFeeCollected (#326) is not in mixedCase
Parameter MultiVerseCapital.setPairRouterRewardToken(address,IUniswapV2Router02)._router (#662) is not in mixedCase
Variable MultiVerseCapital._tokenTotal (#310) is not in mixedCase
Variable MultiVerseCapital._excludedFromReward (#316) is not in mixedCase
Parameter MultiVerseCapital.setMinTokensBeforeSwap(uint256)._amount (#721) is not in mixedCase
Variable MultiVerseCapital._isExcludedFromReward (#315) is not in mixedCase
Variable MultiVerseCapital._reflectionTotal (#311) is not in mixedCase
Parameter MultiVerseCapital.setMaxTxAmount(uint256)._newAmount (#716) is not in mixedCase
Variable MultiVerseCapital._marketingFeeCollected (#327) is not in mixedCase
Variable MultiVerseCapital._tokenBalance (#306) is not in mixedCase
Parameter MultiVerseCapital.setPairRouterRewardToken(address,IUniswapV2Router02)._pair (#662) is not in mixedCase
Function IUniswapV2Router01.WETH() (#227) is not in mixedCase
Parameter MultiVerseCapital.setMarketingWallet(address)._address (#708) is not in mixedCase
Parameter MultiVerseCapital.setDevWallet(address)._address (#712) is not in mixedCase
Parameter MultiVerseCapital.setFarmAndBuybackWallet(address)._address (#704) is not in mixedCase
Variable MultiVerseCapital._reflectionBalance (#305) is not in mixedCase
Variable MultiVerseCapital._allowances (#307) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#110)" inContext (#104-113)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Reentrancy in MultiVerseCapital.swap() (#594-634):
External calls:
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- _farmAndBuybackFeeCollected = 0 (#630)
- _marketingFeeCollected = 0 (#631)
Event emitted after the call(s):
- Swap(totalFeeToSell,amountFee) (#633)
Reentrancy in MultiVerseCapital._transfer(address,address,uint256) (#500-553):
External calls:
- swap() (#513)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _farmAndBuybackFeeCollected = _farmAndBuybackFeeCollected.add(marketingFee) (#566)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _feeTotal = _feeTotal.add(taxFee).add(otherFee) (#590)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _marketingFeeCollected = _marketingFeeCollected.add(teamFee) (#567)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _reflectionBalance[address(this)] = _reflectionBalance[address(this)].add(otherFee.mul(rate)) (#580)
- _reflectionBalance[sender] = _reflectionBalance[sender].sub(amount.mul(rate)) (#535-537)
- _reflectionBalance[recipient] = _reflectionBalance[recipient].add(transferAmount.mul(rate)) (#538-540)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _reflectionTotal = _reflectionTotal.sub(taxFee.mul(rate)) (#588)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- _tokenBalance[address(this)] = _tokenBalance[address(this)].add(otherFee) (#582)
- _tokenBalance[sender] = _tokenBalance[sender].sub(amount) (#544)
- _tokenBalance[recipient] = _tokenBalance[recipient].add(transferAmount) (#547-549)
Event emitted after the call(s):
- Transfer(account,address(this),otherFee) (#584)
- transferAmount = collectFee(sender,amount,rate,recipient == pair,sender != pair && recipient != pair) (#525-531)
- Transfer(sender,recipient,transferAmount) (#552)
Reentrancy in MultiVerseCapital.transferFrom(address,address,uint256) (#418-430):
External calls:
- _transfer(sender,recipient,amount) (#419)
- address(farmAndBuybackWallet).transfer(amountFarmAndBuyback) (#620)
- address(marketingWallet).transfer(amountMarketing.sub(amountDev)) (#626)
- address(devWallet).transfer(address(this).balance) (#627)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#421-428)
- _allowances[owner][spender] = amount (#496)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#497)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#421-428)
Apply the check-effects-interactions pattern.
Additional information: link
MultiVerseCapital._name (#301) should be constant
MultiVerseCapital._decimals (#303) should be constant
MultiVerseCapital._feeDecimal (#318) should be constant
MultiVerseCapital._tokenTotal (#310) should be constant
MultiVerseCapital._symbol (#302) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
Contract has 10% buy tax and 12% sell tax.
Taxes are suspiciously high (over 10%) and contract ownership is not renounced. Token has a high risk of becoming a honeypot.
Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.
Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.
Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.
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 a considerable age, but average PancakeSwap 30d trading volume is low
Token has relatively low CoinMarketCap rank
Last post in Twitter was more than 30 days ago
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