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BYE Token

ALERT: honeypot scam

About BYE

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Token 3 months

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Description

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Laser Scorebeta Last Audit: 18 February 2022

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Code:


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

BYE.dayZero() (#534-536) uses a weak PRNG: "block.timestamp - (block.timestamp % (24 * 3600)) (#535)"
Do not use block.timestamp, now or blockhash as a source of randomness

Additional information: link

BYE.updatePrice() (#488-500) uses a dangerous strict equality:
- nowTime == zero (#491)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Ownable.constructor(address)._addr (#182) lacks a zero-check on :
- _owner = _addr (#183)
Check that the address is not zero.

Additional information: link

Reentrancy in BYE.constructor() (#379-397):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),USDT) (#384-385)
State variables written after the call(s):
- _mint(msg.sender,50000000000 * 10 ** 18) (#394)
- _balances[account] = _balances[account] + amount (#310)
- _mint(msg.sender,50000000000 * 10 ** 18) (#394)
- _totalSupply = _totalSupply + amount (#309)
- isFree[msg.sender] = true (#396)
- lastTime = dayZero() (#392)
- nowTime = dayZero() (#391)
- pair_USDT = Ipair(uniswapV2Pair) (#386)
- uniswapV2Router = _uniswapV2Router (#389)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in BYE.constructor() (#379-397):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),USDT) (#384-385)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#311)
- _mint(msg.sender,50000000000 * 10 ** 18) (#394)
Apply the check-effects-interactions pattern.

Additional information: link

BYE.updatePrice() (#488-500) uses timestamp for comparisons
Dangerous comparisons:
- nowTime == zero (#491)
Avoid relying on block.timestamp.

Additional information: link

ERC20._beforeTokenTransfer(address,address,uint256) (#322) is never used and should be removed
SafeMath.mod(uint256,uint256) (#149-151) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#165-172) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version0.8.1 (#6) allows old versions
solc-0.8.1 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

Contract relationship (#7-14) is not in CapWords
Variable ERC20._balances (#226) is not in mixedCase
Parameter BYE.setFree(address,bool)._addr (#539) is not in mixedCase
Parameter BYE.setFree(address,bool)._bool (#540) is not in mixedCase
Parameter BYE.setBlack(address,bool)._addr (#546) is not in mixedCase
Parameter BYE.setBlack(address,bool)._bool (#547) is not in mixedCase
Variable BYE.pair_USDT (#350) is not in mixedCase
Variable BYE.USDT (#352) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

BYE.constructor() (#379-397) uses literals with too many digits:
- _mint(msg.sender,50000000000 * 10 ** 18) (#394)
BYE.slitherConstructorVariables() (#345-553) uses literals with too many digits:
- holdAddr = 0x0000000000000000000000000000000000000000 (#377)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

BYE.USDT (#352) should be constant
BYE.devAddr2 (#375) should be constant
BYE.devAddr3 (#376) should be constant
BYE.holdAddr (#377) should be constant
BYE.rate1 (#370) should be constant
BYE.rate2 (#371) should be constant
BYE.rate3 (#372) should be constant
BYE.rate4 (#373) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#209-212)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#218-222)
name() should be declared external:
- ERC20.name() (#245-247)
symbol() should be declared external:
- ERC20.symbol() (#249-251)
decimals() should be declared external:
- ERC20.decimals() (#253-255)
totalSupply() should be declared external:
- ERC20.totalSupply() (#257-259)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#265-268)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#270-272)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#274-277)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#279-283)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#285-288)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#290-293)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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


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


Unable to find Telegram and Twitter accounts

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


Token is marked as scam (rug pull, honeypot, phishing, etc.)

Additional information: link


Young tokens have high risks of scam / price dump / death


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank

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