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Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
TokenRecover.recoverERC20(address,uint256) (#1132-1134) ignores return value by IERC20(tokenAddress).transfer(owner(),tokenAmount) (#1133)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.
Additional information: link
Contract ownership is not renounced (belongs to a wallet)
CoinToken.constructor(string,string,uint8,uint256,address,address).feeReceiver_ (#1247) lacks a zero-check on :
- address(feeReceiver_).transfer(msg.value) (#1249)
CoinToken.constructor(string,string,uint8,uint256,address,address).tokenOwner (#1246) lacks a zero-check on :
- _owner = tokenOwner (#1250)
Check that the address is not zero.
Additional information: link
Address._verifyCallResult(bool,bytes,string) (#659-676) uses assembly
- INLINE ASM (#668-671)
Address.isContract(address) (#514-523) uses assembly
- INLINE ASM (#521)
Do not use evm assembly.
Additional information: link
Address.sendValue(address,uint256) (#541-547) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#592-594) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#651-657) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#641-643) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#602-609) is never used and should be removed
Context._msgData() (#133-136) is never used and should be removed
Address.functionStaticCall(address,bytes) (#617-619) is never used and should be removed
Address._verifyCallResult(bool,bytes,string) (#659-676) is never used and should be removed
Address.functionCall(address,bytes,string) (#577-579) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#627-633) is never used and should be removed
Address.functionCall(address,bytes) (#567-569) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.8.0 (#710) allows old versions
Pragma version^0.8.0 (#491) allows old versions
Pragma version^0.8.0 (#867) allows old versions
Pragma version^0.8.0 (#683) allows old versions
Pragma version^0.8.0 (#143) allows old versions
Pragma version^0.8.0 (#1118) allows old versions
Pragma version^0.8.0 (#449) allows old versions
Pragma version^0.8.0 (#116) allows old versions
Pragma version^0.8.0 (#899) allows old versions
Pragma version^0.8.0 (#1141) allows old versions
Pragma version^0.8.0 (#1168) allows old versions
Pragma version^0.8.0 (#7) allows old versions
Pragma version^0.8.0 (#87) allows old versions
Pragma version^0.8.0 (#1234) allows old versions
Pragma version^0.8.0 (#1056) allows old versions
Pragma version^0.8.0 (#740) allows old versions
Pragma version^0.8.0 (#833) 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.functionStaticCall(address,bytes,string) (#627-633):
- (success,returndata) = target.staticcall(data) (#631)
Low level call in Address.functionDelegateCall(address,bytes,string) (#651-657):
- (success,returndata) = target.delegatecall(data) (#655)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#602-609):
- (success,returndata) = target.call{value: value}(data) (#607)
Low level call in Address.sendValue(address,uint256) (#541-547):
- (success) = recipient.call{value: amount}() (#545)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Variable Ownable._owner (#1071) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#134)" inContext (#128-137)
Remove redundant statements if they congest code but offer no value.
Additional information: link
burnFrom(address,uint256) should be declared external:
- ERC20Burnable.burnFrom(address,uint256) (#479-484)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#1098-1101)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#328-334)
symbol() should be declared external:
- ERC20.symbol() (#207-209)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#238-240)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#309-312)
transferFromAndCall(address,address,uint256) should be declared external:
- ERC1363.transferFromAndCall(address,address,uint256) (#955-961)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#1107-1111)
transferAndCall(address,uint256) should be declared external:
- ERC1363.transferAndCall(address,uint256) (#927-929)
name() should be declared external:
- ERC20.name() (#199-201)
approveAndCall(address,uint256) should be declared external:
- ERC1363.approveAndCall(address,uint256) (#988-990)
totalSupply() should be declared external:
- ERC20.totalSupply() (#231-233)
burn(uint256) should be declared external:
- ERC20Burnable.burn(uint256) (#464-466)
recoverERC20(address,uint256) should be declared external:
- TokenRecover.recoverERC20(address,uint256) (#1132-1134)
Use the external attribute for functions never called from the contract.
Additional information: link
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 PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
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 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
Token has a considerable age, but social accounts / website are missing or have few users
Last post in Twitter was more than 30 days ago
Twitter account has relatively few followers
Unable to find Youtube account
Unable to find Discord account