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HydraMeta Token

ALERT: honeypot scam

About HydraMeta

Listings

Age

3 years

Token 3 years

CoinMarketCap 3 years

Website

hydrameta.org

Description

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[CoinGecko] alert: We have received multiple reports that this token has suddenly increased their sell tax to an incredibly high amount. Please exercise caution and do your own due diligence.

Through the HDM platform, users can buy and sell in different blockchain markets without transferring to other cryptocurrency wallets, which further reduces the fee rate generated by cross-chain transactions such as ETH and BSC. Relying on blockchain technology for value transfer. The HDM platform uses DeFi as the platform's financial technology and system to fully protect the asset income of each user.

The positioning of the HDM platform is:
Metaverse game NFT third-party trading platform.
NFT one-stop service platform.
Cross-game community center.

Social

Contract

0xde97d24fe6318ce1bcca5af65454022fd3c536cb

Laser Scorebeta Last Audit: 2 March 2022

report

Token seems to be a scam (type: honeypot scam).

Anti-Scam

Links

Code

Contract

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

Contract creator or owner is blacklisted for past scams

name() should be declared external:
- ERC20.name() (#174-176)
symbol() should be declared external:
- ERC20.symbol() (#182-184)
decimals() should be declared external:
- ERC20.decimals() (#199-201)
totalSupply() should be declared external:
- ERC20.totalSupply() (#206-208)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#213-215)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#225-228)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#233-235)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#244-247)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#262-276)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#290-293)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#309-317)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#515-517)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#523-526)
triggerTax() should be declared external:
- HydraMeta.triggerTax() (#876-879)
burn(uint256) should be declared external:
- HydraMeta.burn(uint256) (#883-885)
SetStatus(bool) should be declared external:
- HydraMeta.SetStatus(bool) (#897-900)
removeExclude(address) should be declared external:
- HydraMeta.removeExclude(address) (#905-908)
Work(address) should be declared external:
- HydraMeta.Work(address) (#921-925)
Use the external attribute for functions never called from the contract.

Additional information: link

HydraMeta.handleTax(address,address,uint256) (#799-858) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#807)
-tax += baseUnit * buyTaxes[liquidity] (#810)
HydraMeta.handleTax(address,address,uint256) (#799-858) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#807)
-tax += baseUnit * sellTaxes[liquidity] (#820)
HydraMeta.handleTax(address,address,uint256) (#799-858) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#807)
-liquidityTokens += baseUnit * buyTaxes[liquidity] (#815)
HydraMeta.handleTax(address,address,uint256) (#799-858) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#807)
-liquidityTokens += baseUnit * sellTaxes[liquidity] (#824)
Consider ordering multiplication before division.

Additional information: link

HydraMeta.handleTax(address,address,uint256).tax (#806) 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

HydraMeta.handleTax(address,address,uint256) (#799-858) ignores return value by uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
Ensure that all the return values of the function calls are used.

Additional information: link

Reentrancy in HydraMeta._transfer(address,address,uint256) (#860-871):
External calls:
- amount = handleTax(sender,recipient,amount) (#867)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
State variables written after the call(s):
- super._transfer(sender,recipient,amount) (#870)
- _balances[sender] = senderBalance - amount (#346)
- _balances[recipient] += amount (#348)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
State variables written after the call(s):
- liquidityTokens += baseUnit * buyTaxes[liquidity] (#815)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#822)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
State variables written after the call(s):
- liquidityTokens += baseUnit * sellTaxes[liquidity] (#824)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#822)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
State variables written after the call(s):
- liquidityTokens = 0 (#848)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in HydraMeta.constructor() (#778-790):
External calls:
- uniswapV2Pair = IUniswapV2Pair(uniswapV2Factory.createPair(address(this),uniswapV2Router02.WETH())) (#783)
State variables written after the call(s):
- _mint(msg.sender,initialSupply) (#789)
- _balances[account] += amount (#370)
- _mint(msg.sender,initialSupply) (#789)
- _totalSupply += amount (#369)
- Press(0) (#785)
- buyTaxes[liquidity] = liquidity (#915)
- Read(msg.sender) (#787)
- excludeList[account] = true (#892)
- Read(address(this)) (#788)
- excludeList[account] = true (#892)
- Trade(0) (#786)
- sellTaxes[liquidity] = liquidity (#932)
- taxWallets[liquidity] = 0xC8934823c0a96e9b0170098D975902d22E22f84c (#784)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#822)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router02),toSell) (#836)
- _allowances[owner][spender] = amount (#425)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#822)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router02),liquidityTokens) (#846)
- _allowances[owner][spender] = amount (#425)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in HydraMeta._transfer(address,address,uint256) (#860-871):
External calls:
- amount = handleTax(sender,recipient,amount) (#867)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#350)
- super._transfer(sender,recipient,amount) (#870)
Reentrancy in HydraMeta.constructor() (#778-790):
External calls:
- uniswapV2Pair = IUniswapV2Pair(uniswapV2Factory.createPair(address(this),uniswapV2Router02.WETH())) (#783)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#371)
- _mint(msg.sender,initialSupply) (#789)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#822)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#426)
- _approve(address(this),address(uniswapV2Router02),toSell) (#836)
Reentrancy in HydraMeta.handleTax(address,address,uint256) (#799-858):
External calls:
- _transfer(from,address(this),tax) (#822)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#838-844)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#426)
- _approve(address(this),address(uniswapV2Router02),liquidityTokens) (#846)
Apply the check-effects-interactions pattern.

Additional information: link

Context._msgData() (#118-120) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.9 (#2) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.9 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

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#552) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#553) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#570) is not in mixedCase
Function IUniswapV2Router01.WETH() (#606) is not in mixedCase
Function HydraMeta.Read(address) (#890-893) is not in mixedCase
Function HydraMeta.SetStatus(bool) (#897-900) is not in mixedCase
Parameter HydraMeta.SetStatus(bool)._status (#897) is not in mixedCase
Function HydraMeta.Press(uint256) (#913-917) is not in mixedCase
Function HydraMeta.Work(address) (#921-925) is not in mixedCase
Function HydraMeta.Trade(uint256) (#930-933) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#611) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#612)
Prevent variables from having similar names.

Additional information: link

HydraMeta.constructor() (#778-790) uses literals with too many digits:
- initialSupply = 10000000000 * (10 ** 8) (#779)
HydraMeta.slitherConstructorVariables() (#739-947) uses literals with too many digits:
- swapThreshold = 500000000000 (#747)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

HydraMeta.devTaxBuy (#749) is never used in HydraMeta (#739-947)
HydraMeta.marketingTaxBuy (#750) is never used in HydraMeta (#739-947)
HydraMeta.liquidityTaxBuy (#751) is never used in HydraMeta (#739-947)
HydraMeta.charityTaxBuy (#752) is never used in HydraMeta (#739-947)
HydraMeta.devTaxSell (#754) is never used in HydraMeta (#739-947)
HydraMeta.marketingTaxSell (#755) is never used in HydraMeta (#739-947)
HydraMeta.liquidityTaxSell (#756) is never used in HydraMeta (#739-947)
HydraMeta.charityTaxSell (#757) is never used in HydraMeta (#739-947)
HydraMeta.devTaxWallet (#759) is never used in HydraMeta (#739-947)
HydraMeta.marketingTaxWallet (#760) is never used in HydraMeta (#739-947)
HydraMeta.liquidityTaxWallet (#761) is never used in HydraMeta (#739-947)
HydraMeta.charityTaxWallet (#762) is never used in HydraMeta (#739-947)
Remove unused state variables.

Additional information: link

HydraMeta.charityTaxBuy (#752) should be constant
HydraMeta.charityTaxSell (#757) should be constant
HydraMeta.charityTaxWallet (#762) should be constant
HydraMeta.denominator (#745) should be constant
HydraMeta.devTaxBuy (#749) should be constant
HydraMeta.devTaxSell (#754) should be constant
HydraMeta.devTaxWallet (#759) should be constant
HydraMeta.liquidityTaxBuy (#751) should be constant
HydraMeta.liquidityTaxSell (#756) should be constant
HydraMeta.liquidityTaxWallet (#761) should be constant
HydraMeta.marketingTaxBuy (#750) should be constant
HydraMeta.marketingTaxSell (#755) should be constant
HydraMeta.marketingTaxWallet (#760) should be constant
HydraMeta.swapThreshold (#747) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

Trading

Holders:

Contract has 0% buy tax and 99% sell tax.
Taxes are extremely high (over 30%)

Additional information: link

Token is deployed only at one blockchain

Socials

23%

Twitter account link seems to be invalid

Telegram account has relatively few subscribers

Unable to find Blog account (Reddit or Medium)

Unable to find Youtube account

Unable to find Discord account

Transparency

23%

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Token was delisted from CoinGecko

Additional information: link

Unable to find token/project description on the website or on BscScan, CoinMarketCap

Unable to find token contract audit

Unable to find audit link on the website

Unable to find whitepaper link on the website

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

Age

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

Popular Tokens

HydraMeta Token

About HydraMeta

Listings

Age

Website

Description

Social

Contract

Laser Scorebeta Last Audit: 2 March 2022

Anti-Scam

Links

Contract

[LSR] Audit is not found critical

[LSR] Blacklisted critical

[Slither] Public function that could be declared external minor

[Slither] Divide before multiply minor

[Slither] Uninitialized local variables minor

[Slither] Unused return minor

[Slither] Reentrancy vulnerabilities minor

[Slither] Reentrancy vulnerabilities minor

[Slither] Reentrancy vulnerabilities minor

[Slither] Dead-code minor

[Slither] Incorrect versions of Solidity minor

[Slither] Conformance to Solidity naming conventions minor

[Slither] Variable names too similar minor

[Slither] Too many digits minor

[Slither] Unused state variable minor

[Slither] State variables that could be declared constant minor

Trading

[honeypot.is] High taxes critical

[LSR] Few chains major

Socials

[LSR] Twitter is invalid critical

[LSR] Telegram has few subscribers major

[LSR] Blog is not found minor

[LSR] Youtube is not found minor

[LSR] Discord is not found minor

Transparency

[LSR] No BscScan listing critical

[LSR] Suspended CoinGecko listing critical

[LSR] White paper is not found major

[LSR] Audit is not found major

[LSR] Website: audit is not found minor

[LSR] Website: whitepaper is not found minor

[LSR] No CoinHunt listing minor

[LSR] Code repo is not found minor

Age

[LSR] Scam token critical

[LSR] Token age <= 90 days critical

[LSR] CoinMarketCap age <= 90 days major

[LSR] Domain age <= 90 days major

[LSR] No CoinGecko rank major

Price for HydraMeta