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CBIRD [Crypto Birds] Token

About CBIRD

Listings

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Token 7 months

Website

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Description

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Social

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Laser Scorebeta Last Audit: 30 November 2021

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Token seems to be anonymous. As long as we are unable to find website score is limited.


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

Contract locking ether found:
Contract CryptoBirdsToken (contracts/CryptoBirdsToken.sol#351-469) has payable functions:
- CryptoBirdsToken.receive() (contracts/CryptoBirdsToken.sol#424)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.

Additional information: link

CryptoBirdsToken.constructor(string,string).symbol (contracts/CryptoBirdsToken.sol#368) shadows:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#69-71) (function)
- IERC20Metadata.symbol() (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#21) (function)
Rename the local variables that shadow another component.

Additional information: link

CryptoBirdsToken.setMinTokensBeforeSwap(uint256) (contracts/CryptoBirdsToken.sol#465-468) should emit an event for:
- tokenForBosses = _tokenForBosses (contracts/CryptoBirdsToken.sol#467)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in CryptoBirdsToken.constructor(string,string) (contracts/CryptoBirdsToken.sol#368-380):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (contracts/CryptoBirdsToken.sol#375-376)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router),~ uint256(0)) (contracts/CryptoBirdsToken.sol#379)
- _allowances[owner][spender] = amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#312)
- uniswapV2Router = _uniswapV2Router (contracts/CryptoBirdsToken.sol#378)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in CryptoBirdsToken.constructor(string,string) (contracts/CryptoBirdsToken.sol#368-380):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (contracts/CryptoBirdsToken.sol#375-376)
Event emitted after the call(s):
- Approval(owner,spender,amount) (@openzeppelin/contracts/token/ERC20/ERC20.sol#313)
- _approve(address(this),address(uniswapV2Router),~ uint256(0)) (contracts/CryptoBirdsToken.sol#379)
Apply the check-effects-interactions pattern.

Additional information: link

CryptoBirdsToken._transfer(address,address,uint256) (contracts/CryptoBirdsToken.sol#386-414) uses timestamp for comparisons
Dangerous comparisons:
- antiBotTime > block.timestamp && amount > antiBotAmount && sender != owner() && recipient != owner() (contracts/CryptoBirdsToken.sol#392-394)
Avoid relying on block.timestamp.

Additional information: link

Different versions of Solidity is used:
- Version used: ['^0.8.0', '^0.8.7']
- ^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#3)
- ^0.8.0 (@openzeppelin/contracts/security/ReentrancyGuard.sol#3)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#3)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#3)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#3)
- ^0.8.0 (@openzeppelin/contracts/utils/Context.sol#3)
- ^0.8.0 (@openzeppelin/contracts/utils/math/SafeMath.sol#3)
- ^0.8.7 (contracts/CryptoBirdsToken.sol#2)
Use one Solidity version.

Additional information: link

SafeMath.trySub(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#34-39) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.7 is not recommended for deployment
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

Parameter CryptoBirdsToken.setMinTokensBeforeSwap(uint256)._tokenForBosses (contracts/CryptoBirdsToken.sol#465) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (contracts/CryptoBirdsToken.sol#153) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (contracts/CryptoBirdsToken.sol#154)
Prevent variables from having similar names.

Additional information: link

CryptoBirdsToken.maxSupply (contracts/CryptoBirdsToken.sol#354) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

setMinTokensBeforeSwap(uint256) should be declared external:
- CryptoBirdsToken.setMinTokensBeforeSwap(uint256) (contracts/CryptoBirdsToken.sol#465-468)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.


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.


Unable to find Telegram and Twitter accounts


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


Young tokens have high risks of price dump / death


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank

Price for CBIRD