ICEBERG Token

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

Reentrancy in ICEBERG._transfer(address,address,uint256) (#1715-1900):
External calls:
- swapBack() (#1852)
- returndata = address(token).functionCall(data,SafeERC20: low-level call failed) (#804)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
- (success,returndata) = target.call{value: value}(data) (#626)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
- IERC20(usdcAddress).safeTransfer(marketingWallet,usdcForMarketing) (#1988)
- IERC20(usdcAddress).safeTransfer(buyBackWallet,usdcForbuyBack) (#1989)
- (success) = address(buyBackWallet).call{value: address(this).balance}() (#2005-2007)
External calls sending eth:
- swapBack() (#1852)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
- (success,returndata) = target.call{value: value}(data) (#626)
- (success) = address(buyBackWallet).call{value: address(this).balance}() (#2005-2007)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1893)
- _balances[sender] = senderBalance - amount (#370)
- _balances[recipient] += amount (#372)
- super._transfer(from,to,amount) (#1899)
- _balances[sender] = senderBalance - amount (#370)
- _balances[recipient] += amount (#372)
- swapping = false (#1854)
- tokensForBuyBack += (fees * 33) / 99 (#1874)
- tokensForBuyBack += (fees * sellBuyBackFee) / sellTotalFees (#1881)
- tokensForBuyBack += (fees * buyBuyBackFee) / buyTotalFees (#1888)
- tokensForLiquidity += (fees * 33) / 99 (#1873)
- tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees (#1880)
- tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees (#1887)
- tokensForMarketing += (fees * 33) / 99 (#1875)
- tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees (#1882)
- tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees (#1889)
Apply the check-effects-interactions pattern.

Additional information: link

ICEBERG.addLiquidity(uint256,uint256) (#1939-1952) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
Ensure that all the return values of the function calls are used.

Additional information: link

ICEBERG.constructor().totalSupply (#1454) shadows:
- ERC20.totalSupply() (#230-232) (function)
- IERC20.totalSupply() (#13) (function)
Rename the local variables that shadow another component.

Additional information: link

ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (#1879)
-tokensForBuyBack += (fees * buyBuyBackFee) / buyTotalFees (#1888)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(99).div(100) (#1872)
-tokensForBuyBack += (fees * 33) / 99 (#1874)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-deductAmount = curBlockNumber.sub(_prevUpdatedBlock).div(_perBlock) * _percent (#1740-1742)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (#1879)
-tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees (#1882)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (#1879)
-tokensForBuyBack += (fees * sellBuyBackFee) / sellTotalFees (#1881)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (#1879)
-tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees (#1887)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(99).div(100) (#1872)
-tokensForMarketing += (fees * 33) / 99 (#1875)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (#1879)
-tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees (#1889)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(sellTotalFees).div(100) (#1879)
-tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees (#1880)
ICEBERG._transfer(address,address,uint256) (#1715-1900) performs a multiplication on the result of a division:
-fees = amount.mul(99).div(100) (#1872)
-tokensForLiquidity += (fees * 33) / 99 (#1873)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in ICEBERG.swapBack() (#1954-2009):
External calls:
- swapTokensForETH(amountToSwapForETH) (#1975)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
- IERC20(usdcAddress).safeTransfer(marketingWallet,usdcForMarketing) (#1988)
- IERC20(usdcAddress).safeTransfer(buyBackWallet,usdcForbuyBack) (#1989)
State variables written after the call(s):
- tokensForBuyBack = 0 (#1993)
- tokensForLiquidity = 0 (#1991)
- tokensForMarketing = 0 (#1992)
Apply the check-effects-interactions pattern.

Additional information: link

ICEBERG._transfer(address,address,uint256) (#1715-1900) uses tx.origin for authorization: require(bool,string)(_holderLastTransferTimestamp[tx.origin] < block.number,_transfer:: Transfer Delay enabled. Only one purchase per 5 block allowed.) (#1792-1796)
Do not use tx.origin for authorization.

Additional information: link

ICEBERG.setSellFees(uint256,uint256,uint256) (#1651-1661) should emit an event for:
- sellMarketingFee = _marketingFee (#1656)
- sellLiquidityFee = _liquidityFee (#1657)
- sellBuyBackFee = _buyBackFee (#1658)
- sellTotalFees = sellMarketingFee + sellLiquidityFee + sellBuyBackFee (#1659)
ICEBERG.setMaxTransactionAmount(uint256) (#1615-1617) should emit an event for:
- maxTransactionAmount = newNum * (10 ** 18) (#1616)
ICEBERG.setBlackListFee(uint256) (#1590-1593) should emit an event for:
- blackListFee = _fee (#1591)
ICEBERG.decreaseTax(uint256,uint256,uint256) (#1503-1513) should emit an event for:
- _percent = percent (#1510)
- _perBlock = perBlock (#1511)
- _limit = limit (#1512)
ICEBERG.setBuyFees(uint256,uint256,uint256) (#1635-1649) should emit an event for:
- buyMarketingFee = _marketingFee (#1640)
- buyLiquidityFee = _liquidityFee (#1641)
- buyBuyBackFee = _buyBackFee (#1642)
- buyTotalFees = buyMarketingFee + buyLiquidityFee + buyBuyBackFee (#1643)
- _limit = const10.sub(_liquidityFee) (#1647)
ICEBERG.setSwapTokensAtAmount(uint256) (#1606-1613) should emit an event for:
- swapTokensAtAmount = newAmount (#1611)
ICEBERG.setMaxWalletAmount(uint256) (#1619-1621) should emit an event for:
- maxWallet = newNum * (10 ** 18) (#1620)
Emit an event for critical parameter changes.

Additional information: link

ICEBERG.setMarketingWallet(address).newMarketingWallet (#1686) lacks a zero-check on :
- marketingWallet = newMarketingWallet (#1688)
ICEBERG.clearStuckBNBBalance(address).addr (#1696) lacks a zero-check on :
- (sent) = address(addr).call{value: (address(this).balance)}() (#1697)
ICEBERG.setBuyBackWallet(address).newWallet (#1691) lacks a zero-check on :
- buyBackWallet = newWallet (#1693)
Check that the address is not zero.

Additional information: link

Reentrancy in ICEBERG.swapBack() (#1954-2009):
External calls:
- swapTokensForETH(amountToSwapForETH) (#1975)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
- IERC20(usdcAddress).safeTransfer(marketingWallet,usdcForMarketing) (#1988)
- IERC20(usdcAddress).safeTransfer(buyBackWallet,usdcForbuyBack) (#1989)
- addLiquidity(liquidityTokens,ethForLiquidity) (#1996)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
External calls sending eth:
- addLiquidity(liquidityTokens,ethForLiquidity) (#1996)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
State variables written after the call(s):
- addLiquidity(liquidityTokens,ethForLiquidity) (#1996)
- _allowances[owner][spender] = amount (#449)
Reentrancy in ICEBERG.swapBack() (#1954-2009):
External calls:
- swapTokensForETH(amountToSwapForETH) (#1975)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
State variables written after the call(s):
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
- _allowances[owner][spender] = amount (#449)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in ICEBERG.buyBackTokens(uint256) (#2012-2028):
External calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmountInWei}(0,path,address(0xdead),block.timestamp) (#2019-2026)
Event emitted after the call(s):
- BuyBackTriggered(bnbAmountInWei) (#2027)
Reentrancy in ICEBERG._transfer(address,address,uint256) (#1715-1900):
External calls:
- swapBack() (#1852)
- returndata = address(token).functionCall(data,SafeERC20: low-level call failed) (#804)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
- (success,returndata) = target.call{value: value}(data) (#626)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
- IERC20(usdcAddress).safeTransfer(marketingWallet,usdcForMarketing) (#1988)
- IERC20(usdcAddress).safeTransfer(buyBackWallet,usdcForbuyBack) (#1989)
- (success) = address(buyBackWallet).call{value: address(this).balance}() (#2005-2007)
External calls sending eth:
- swapBack() (#1852)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
- (success,returndata) = target.call{value: value}(data) (#626)
- (success) = address(buyBackWallet).call{value: address(this).balance}() (#2005-2007)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#374)
- super._transfer(from,address(this),fees) (#1893)
- Transfer(sender,recipient,amount) (#374)
- super._transfer(from,to,amount) (#1899)
Reentrancy in ICEBERG.swapBack() (#1954-2009):
External calls:
- swapTokensForETH(amountToSwapForETH) (#1975)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#450)
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
Reentrancy in ICEBERG.swapBack() (#1954-2009):
External calls:
- swapTokensForETH(amountToSwapForETH) (#1975)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1911-1917)
- swapTokensForUSDC(amountToSwapForUSDC) (#1976)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1930-1936)
- IERC20(usdcAddress).safeTransfer(marketingWallet,usdcForMarketing) (#1988)
- IERC20(usdcAddress).safeTransfer(buyBackWallet,usdcForbuyBack) (#1989)
- addLiquidity(liquidityTokens,ethForLiquidity) (#1996)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
External calls sending eth:
- addLiquidity(liquidityTokens,ethForLiquidity) (#1996)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,deadAddress,block.timestamp) (#1944-1951)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#450)
- addLiquidity(liquidityTokens,ethForLiquidity) (#1996)
- SwapAndLiquify(amountToSwapForUSDC,ethForLiquidity,tokensForLiquidity) (#1997-2001)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (#521-531) uses assembly
- INLINE ASM (#527-529)
Address.verifyCallResult(bool,bytes,string) (#690-710) uses assembly
- INLINE ASM (#702-705)
Do not use evm assembly.

Additional information: link

Different versions of Solidity are used:
- Version used: ['>0.6.0', '^0.8.0']
- ^0.8.0 (#4)
- ^0.8.0 (#88)
- ^0.8.0 (#116)
- ^0.8.0 (#142)
- ^0.8.0 (#498)
- ^0.8.0 (#717)
- ^0.8.0 (#816)
- ^0.8.0 (#888)
- ^0.8.0 (#1117)
- >0.6.0 (#1161)
- ^0.8.0 (#1322)
- ABIEncoderV2 (#1323)
Use one Solidity version.

Additional information: link

SafeMath.tryDiv(uint256,uint256) (#948-953) is never used and should be removed
Address.sendValue(address,uint256) (#549-554) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#603-609) is never used and should be removed
SafeMath.add(uint256,uint256) (#977-979) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#960-965) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#673-682) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (#1052-1061) is never used and should be removed
Counters.current(Counters.Counter) (#1135-1137) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#663-665) is never used and should be removed
SafeERC20.safeIncreaseAllowance(IERC20,address,uint256) (#771-778) is never used and should be removed
SafeERC20.safeApprove(IERC20,address,uint256) (#756-769) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#906-912) is never used and should be removed
Counters.reset(Counters.Counter) (#1153-1155) is never used and should be removed
ERC20._burn(address,uint256) (#411-426) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#1101-1110) is never used and should be removed
SafeERC20.safeTransferFrom(IERC20,address,address,uint256) (#740-747) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#1075-1084) is never used and should be removed
Counters.decrement(Counters.Counter) (#1145-1151) is never used and should be removed
Counters.increment(Counters.Counter) (#1139-1143) is never used and should be removed
Context._msgData() (#133-135) is never used and should be removed
Address.functionStaticCall(address,bytes) (#636-638) is never used and should be removed
SafeMath.mod(uint256,uint256) (#1035-1037) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#931-941) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#919-924) is never used and should be removed
SafeERC20.safeDecreaseAllowance(IERC20,address,uint256) (#780-791) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#646-655) is never used and should be removed
Address.functionCall(address,bytes) (#574-576) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (#816) allows old versions
Pragma version^0.8.0 (#116) allows old versions
Pragma version^0.8.0 (#498) allows old versions
Pragma version^0.8.0 (#717) allows old versions
Pragma version^0.8.0 (#4) allows old versions
Pragma version^0.8.0 (#88) allows old versions
Pragma version>0.6.0 (#1161) allows old versions
Pragma version^0.8.0 (#1322) allows old versions
solc-0.8.0 is not recommended for deployment
Pragma version^0.8.0 (#1117) allows old versions
Pragma version^0.8.0 (#888) allows old versions
Pragma version^0.8.0 (#142) 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

Low level call in Address.functionDelegateCall(address,bytes,string) (#673-682):
- (success,returndata) = target.delegatecall(data) (#680)
Low level call in Address.functionStaticCall(address,bytes,string) (#646-655):
- (success,returndata) = target.staticcall(data) (#653)
Low level call in Address.sendValue(address,uint256) (#549-554):
- (success) = recipient.call{value: amount}() (#552)
Low level call in ICEBERG.clearStuckBNBBalance(address) (#1696-1699):
- (sent) = address(addr).call{value: (address(this).balance)}() (#1697)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#617-628):
- (success,returndata) = target.call{value: value}(data) (#626)
Low level call in ICEBERG.swapBack() (#1954-2009):
- (success) = address(buyBackWallet).call{value: address(this).balance}() (#2005-2007)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Parameter ICEBERG.setBlackListFee(uint256)._fee (#1590) is not in mixedCase
Event ICEBERGbuyBackWalletUpdated(address,address) (#1416-1419) is not in CapWords
Variable ICEBERG._isExcludedMaxTransactionAmount (#1372) is not in mixedCase
Parameter ICEBERG.setSellFees(uint256,uint256,uint256)._marketingFee (#1652) is not in mixedCase
Parameter ICEBERG.setBuyFees(uint256,uint256,uint256)._buyBackFee (#1638) is not in mixedCase
Parameter ICEBERG.setSellFees(uint256,uint256,uint256)._buyBackFee (#1654) is not in mixedCase
Parameter ICEBERG.setSellFees(uint256,uint256,uint256)._liquidityFee (#1653) is not in mixedCase
Constant ICEBERG.usdcAddress (#1329-1330) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter ICEBERG.setBuyFees(uint256,uint256,uint256)._marketingFee (#1636) is not in mixedCase
Variable ICEBERG._decreasing (#1384) is not in mixedCase
Parameter ICEBERG.setBuyFees(uint256,uint256,uint256)._liquidityFee (#1637) is not in mixedCase
Event ICEBERGmarketingWalletUpdated(address,address) (#1411-1414) is not in CapWords
Function IUniswapV2Router01.WETH() (#1181) is not in mixedCase
Variable ICEBERG._isExcludedFromContractBuyingLimit (#1373) is not in mixedCase
Constant ICEBERG.deadAddress (#1333) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#1186) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#1187)
Prevent variables from having similar names.

Additional information: link

setAutomatedMarketMakerPair(address,bool) should be declared external:
- ICEBERG.setAutomatedMarketMakerPair(address,bool) (#1668-1678)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#286-300)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#864-866)
decimals() should be declared external:
- ERC20.decimals() (#223-225)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#333-341)
symbol() should be declared external:
- ERC20.symbol() (#206-208)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#249-252)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#314-317)
name() should be declared external:
- ERC20.name() (#198-200)
isExcludedFromFees(address) should be declared external:
- ICEBERG.isExcludedFromFees(address) (#1709-1711)
totalSupply() should be declared external:
- ERC20.totalSupply() (#230-232)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#268-271)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#257-259)
Use the external attribute for functions never called from the contract.

Additional information: link

Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.

Unable to find website, listings and other project-related information

Token has a considerable age, but we're still unable to find its website

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank

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