CALO Token

ERC20.transferToken(address,uint256,address) (#979-988) ignores return value by IERC20(coinAddress).transfer(to,value) (#987)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Contract ownership is not renounced (belongs to a wallet)

Different versions of Solidity are used:
- Version used: ['0.7.4', '^0.7.4']
- 0.7.4 (#4)
- 0.7.4 (#251)
- 0.7.4 (#342)
- 0.7.4 (#367)
- ^0.7.4 (#466)
- 0.7.4 (#1045)
- 0.7.4 (#1391)
Use one Solidity version.

Additional information: link

SafeMath.tryDiv(uint256,uint256) (#73-80) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#87-94) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#25-33) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#239-246) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#215-222) is never used and should be removed
ERC20._setupDecimals(uint8) (#870-872) is never used and should be removed
Context._msgData() (#359-362) is never used and should be removed
SafeMath.mod(uint256,uint256) (#173-176) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#54-66) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#40-47) is never used and should be removed
Remove unused functions.

Additional information: link

transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#671-698)
modifyWhiteListPool(address[],address[]) should be declared external:
- ERC20.modifyWhiteListPool(address[],address[]) (#1014-1024)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#422-425)
isExcludedToFee(address) should be declared external:
- ERC20.isExcludedToFee(address) (#947-949)
enableMint(bool) should be declared external:
- ERC20.enableMint(bool) (#909-912)
isExcludedFromFee(address) should be declared external:
- ERC20.isExcludedFromFee(address) (#931-933)
changeFee(uint256) should be declared external:
- ERC20.changeFee(uint256) (#1010-1012)
decimals() should be declared external:
- ERC20.decimals() (#570-572)
modifyWhiteListReceiver(address[],address[]) should be declared external:
- ERC20.modifyWhiteListReceiver(address[],address[]) (#935-945)
burn(uint256) should be declared external:
- Token.burn(uint256) (#1413-1415)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#739-753)
setNumTokensSellToAddToLiquidityt(uint256) should be declared external:
- ERC20.setNumTokensSellToAddToLiquidityt(uint256) (#914-917)
symbol() should be declared external:
- ERC20.symbol() (#553-555)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#584-592)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#602-626)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#712-723)
mint(uint256) should be declared external:
- ERC20.mint(uint256) (#903-907)
modifyBlackList(address[],address[]) should be declared external:
- ERC20.modifyBlackList(address[],address[]) (#951-961)
changeFeeWallet(address) should be declared external:
- ERC20.changeFeeWallet(address) (#1006-1008)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#431-438)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#440-442)
name() should be declared external:
- ERC20.name() (#545-547)
setFeeWallet(address) should be declared external:
- ERC20.setFeeWallet(address) (#1030-1032)
isExcludedFromPool(address) should be declared external:
- ERC20.isExcludedFromPool(address) (#1026-1028)
modifyWhiteListBot(address[],address[]) should be declared external:
- ERC20.modifyWhiteListBot(address[],address[]) (#990-1000)
modifyWhiteListSender(address[],address[]) should be declared external:
- ERC20.modifyWhiteListSender(address[],address[]) (#919-929)
unlock() should be declared external:
- Ownable.unlock() (#453-461)
setFeeTransfer(uint256) should be declared external:
- ERC20.setFeeTransfer(uint256) (#1034-1040)
totalSupply() should be declared external:
- ERC20.totalSupply() (#577-579)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#648-656)
isBlackList(address) should be declared external:
- ERC20.isBlackList(address) (#963-965)
transferToken(address,uint256,address) should be declared external:
- ERC20.transferToken(address,uint256,address) (#979-988)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#445-450)
isExcludedFromBot(address) should be declared external:
- ERC20.isExcludedFromBot(address) (#1002-1004)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#631-639)
Use the external attribute for functions never called from the contract.

Additional information: link

ERC20.modifyWhiteListReceiver(address[],address[]).index (#939) is a local variable never initialized
ERC20.modifyWhiteListSender(address[],address[]).index_scope_0 (#926) is a local variable never initialized
ERC20.modifyBlackList(address[],address[]).index_scope_0 (#958) is a local variable never initialized
ERC20.modifyWhiteListSender(address[],address[]).index (#923) is a local variable never initialized
ERC20.modifyWhiteListPool(address[],address[]).index (#1018) is a local variable never initialized
ERC20.modifyWhiteListBot(address[],address[]).index_scope_0 (#997) is a local variable never initialized
ERC20.modifyWhiteListBot(address[],address[]).index (#994) is a local variable never initialized
ERC20.modifyBlackList(address[],address[]).index (#955) is a local variable never initialized
ERC20.modifyWhiteListPool(address[],address[]).index_scope_0 (#1021) is a local variable never initialized
ERC20.modifyWhiteListReceiver(address[],address[]).index_scope_0 (#942) 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

ERC20.allowance(address,address).owner (#631) shadows:
- Ownable.owner() (#403-405) (function)
ERC20._approve(address,address,uint256).owner (#852) shadows:
- Ownable.owner() (#403-405) (function)
Rename the local variables that shadow another component.

Additional information: link

ERC20.setNumTokensSellToAddToLiquidityt(uint256) (#914-917) should emit an event for:
- _numTokensSellToAddToLiquidity = numTokensSellToAddToLiquidity (#915)
Emit an event for critical parameter changes.

Additional information: link

ERC20.changeFeeWallet(address).feeWallet (#1006) lacks a zero-check on :
- _feeWallet = feeWallet (#1007)
ERC20.transferToken(address,uint256,address).to (#982) lacks a zero-check on :
- to.transfer(value) (#985)
ERC20.setFeeWallet(address).newFeeWallet (#1030) lacks a zero-check on :
- _feeWallet = newFeeWallet (#1031)
Check that the address is not zero.

Additional information: link

Ownable.unlock() (#453-461) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 7 days) (#458)
Avoid relying on block.timestamp.

Additional information: link

ERC20.transfer(address,uint256) (#602-626) compares to a boolean constant:
-_msgSender() == owner() || whiteListSender[_msgSender()] == true || whiteListReceiver[recipient] == true (#619-621)
ERC20.transfer(address,uint256) (#602-626) compares to a boolean constant:
-_msgSender() != owner() && whiteListSender[_msgSender()] == false && whiteListReceiver[recipient] == false (#611-613)
ERC20.transferFrom(address,address,uint256) (#671-698) compares to a boolean constant:
-sender != owner() && whiteListSender[_msgSender()] == false && whiteListSender[sender] == false && whiteListReceiver[recipient] == false (#679-682)
Token._transfer(address,address,uint256) (#1417-1437) compares to a boolean constant:
-amount > _numTokensSellToAddToLiquidity && limitSell == true && recipient == uniswapV2Pair (#1432)
Remove the equality to the boolean constant.

Additional information: link

solc-0.7.4 is not recommended for deployment
Pragma version^0.7.4 (#466) allows old versions
Pragma version0.7.4 (#251) allows old versions
Pragma version0.7.4 (#4) allows old versions
Pragma version0.7.4 (#367) allows old versions
Pragma version0.7.4 (#1391) allows old versions
Pragma version0.7.4 (#342) allows old versions
Pragma version0.7.4 (#1045) 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

Variable ERC20._feeTransfer (#517) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#1112) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#1142) is not in mixedCase
Parameter ERC20.setAntiBot(bool)._enable (#967) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#1110) is not in mixedCase
Parameter ERC20.enableMint(bool)._pmintable (#909) is not in mixedCase
Variable ERC20._feeWallet (#519) is not in mixedCase
Variable ERC20._numTokensSellToAddToLiquidity (#516) is not in mixedCase
Parameter ERC20.setLimitSell(bool)._enable (#975) is not in mixedCase
Parameter ERC20.setSwapWhiteList(bool)._enable (#971) is not in mixedCase
Function IUniswapV2Router01.WETH() (#1186) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#360)" inContext (#354-363)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#1191) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#1192)
Prevent variables from having similar names.

Additional information: link

Token.maxSupply (#1396) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

Average 30d PancakeSwap liquidity 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.

Token is deployed only at one blockchain

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project