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GGT [GlobalGuide] Token

About GGT

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Token 4 months

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Global Guide is the first platform that implements socialize-to-earn concept in crypto! Our app is combined with NFT, SocialFi and GameFi elements, where users can earn rewards by 📸 sharing photos,📝 reviews and📍locations. Core features: 🔥 Photo-To-Earn 🔥 Review-To-Earn 🔥 Checkin-To-Earn 🔥 Staking platform 🔥 Annual Meet-up Events. We are a next-generation team dedicated to creating new solutions that improve the way people’s travel ✅ SAFU: Audit + KYC ✅ Beta App

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Laser Scorebeta Last Audit: 13 October 2022

report
Token is either risky or in presale. For presale 30+ is a fine score.


Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains


Contract ownership is not renounced (belongs to a wallet)

Parameter GlobalGuideToken.changeTaxFee(uint256)._taxFee (contracts/GlobalGuideToken.sol#201) is not in mixedCase
Parameter GlobalGuideToken.changeFeeReceiver(address)._feeReceiver (contracts/GlobalGuideToken.sol#214) is not in mixedCase
Parameter GlobalGuideToken.changeTakeFee(bool)._takeFee (contracts/GlobalGuideToken.sol#208) is not in mixedCase
Parameter GlobalGuideToken.addAdmin(address)._AddAdmin (contracts/GlobalGuideToken.sol#192) is not in mixedCase
Function IPancakePair.MINIMUM_LIQUIDITY() (contracts/GlobalGuideToken.sol#76) is not in mixedCase
Function IERC20Permit.DOMAIN_SEPARATOR() (@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol#59) is not in mixedCase
Variable ERC20._balances (@openzeppelin/contracts/token/ERC20/ERC20.sol#36) is not in mixedCase
Function IPancakePair.PERMIT_TYPEHASH() (contracts/GlobalGuideToken.sol#45) is not in mixedCase
Function IPancakePair.DOMAIN_SEPARATOR() (contracts/GlobalGuideToken.sol#43) is not in mixedCase
Parameter GlobalGuideToken.removeAdmin(address)._RemoveAdmin (contracts/GlobalGuideToken.sol#186) is not in mixedCase
Parameter GlobalGuideToken.callDetectTransferRestriction(address)._addr (contracts/GlobalGuideToken.sol#161) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

GlobalGuideToken.callDetectTransferRestriction(address) (contracts/GlobalGuideToken.sol#161-184) uses literals with too many digits:
- bitMask = 0x0000000000000000000000001111111111111111111111111111111111111111 (contracts/GlobalGuideToken.sol#167)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Low level call in Address.functionDelegateCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#184-193):
- (success,returndata) = target.delegatecall(data) (@openzeppelin/contracts/utils/Address.sol#191)
Low level call in Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#60-65):
- (success) = recipient.call{value: amount}() (@openzeppelin/contracts/utils/Address.sol#63)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#128-139):
- (success,returndata) = target.call{value: value}(data) (@openzeppelin/contracts/utils/Address.sol#137)
Low level call in Address.functionStaticCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#157-166):
- (success,returndata) = target.staticcall(data) (@openzeppelin/contracts/utils/Address.sol#164)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Different versions of Solidity are used:
- Version used: ['^0.8.0', '^0.8.1']
- ^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#4)
- ^0.8.1 (@openzeppelin/contracts/utils/Address.sol#4)
- ^0.8.0 (@openzeppelin/contracts/utils/Context.sol#4)
- ^0.8.0 (contracts/GlobalGuideToken.sol#3)
Use one Solidity version.

Additional information: link

Address.verifyCallResult(bool,bytes,string) (@openzeppelin/contracts/utils/Address.sol#201-221) is never used and should be removed
Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#60-65) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (@openzeppelin/contracts/utils/Address.sol#114-120) is never used and should be removed
SafeERC20._callOptionalReturn(IERC20,bytes) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#105-115) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#184-193) is never used and should be removed
SafeERC20.safeTransfer(IERC20,address,uint256) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#22-28) is never used and should be removed
Address.functionDelegateCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#174-176) is never used and should be removed
SafeERC20.safeIncreaseAllowance(IERC20,address,uint256) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#61-68) is never used and should be removed
SafeERC20.safePermit(IERC20Permit,address,address,uint256,uint256,uint8,bytes32,bytes32) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#83-97) is never used and should be removed
SafeERC20.safeApprove(IERC20,address,uint256) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#46-59) is never used and should be removed
ERC20._burn(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#281-296) is never used and should be removed
SafeERC20.safeTransferFrom(IERC20,address,address,uint256) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#30-37) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#128-139) is never used and should be removed
Context._msgData() (@openzeppelin/contracts/utils/Context.sol#21-23) is never used and should be removed
Address.functionStaticCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#147-149) is never used and should be removed
ERC20._transfer(address,address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#226-246) is never used and should be removed
SafeERC20.safeDecreaseAllowance(IERC20,address,uint256) (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#70-81) is never used and should be removed
Address.isContract(address) (@openzeppelin/contracts/utils/Address.sol#36-42) is never used and should be removed
Address.functionCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#95-101) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#157-166) is never used and should be removed
Address.functionCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#85-87) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#4) allows old versions
solc-0.8.1 is not recommended for deployment
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#4) allows old versions
Pragma version^0.8.1 (@openzeppelin/contracts/utils/Address.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#4) allows old versions
Pragma version^0.8.0 (contracts/GlobalGuideToken.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/Context.sol#4) 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

GlobalGuideToken._transfer(address,address,uint256).taxFeeAmount (contracts/GlobalGuideToken.sol#236) 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

GlobalGuideToken.constructor(string,string,uint256,address).symbol (contracts/GlobalGuideToken.sol#140) shadows:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#70-72) (function)
- IERC20Metadata.symbol() (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#22) (function)
GlobalGuideToken.constructor(string,string,uint256,address).name (contracts/GlobalGuideToken.sol#139) shadows:
- ERC20.name() (@openzeppelin/contracts/token/ERC20/ERC20.sol#62-64) (function)
- IERC20Metadata.name() (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#17) (function)
Rename the local variables that shadow another component.

Additional information: link

GlobalGuideToken.constructor(string,string,uint256,address)._feeReceiver (contracts/GlobalGuideToken.sol#142) lacks a zero-check on :
- feeReceiver = _feeReceiver (contracts/GlobalGuideToken.sol#144)
GlobalGuideToken.changeFeeReceiver(address)._feeReceiver (contracts/GlobalGuideToken.sol#214) lacks a zero-check on :
- feeReceiver = _feeReceiver (contracts/GlobalGuideToken.sol#215)
Check that the address is not zero.

Additional information: link

Address.verifyCallResult(bool,bytes,string) (@openzeppelin/contracts/utils/Address.sol#201-221) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#213-216)
GlobalGuideToken.callDetectTransferRestriction(address) (contracts/GlobalGuideToken.sol#161-184) uses assembly
- INLINE ASM (contracts/GlobalGuideToken.sol#168-183)
Do not use evm assembly.

Additional information: link

GlobalGuideToken.onlyAdmin() (contracts/GlobalGuideToken.sol#269-272) compares to a boolean constant:
-require(bool,string)(admin[msg.sender] == true,Caller is not admin) (contracts/GlobalGuideToken.sol#270)
Remove the equality to the boolean constant.

Additional information: link

transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#158-167)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (@openzeppelin/contracts/access/Ownable.sol#61-63)
decimals() should be declared external:
- ERC20.decimals() (@openzeppelin/contracts/token/ERC20/ERC20.sol#87-89)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#201-210)
symbol() should be declared external:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#70-72)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (@openzeppelin/contracts/token/ERC20/ERC20.sol#101-103)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#113-117)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#181-185)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (@openzeppelin/contracts/access/Ownable.sol#69-72)
name() should be declared external:
- ERC20.name() (@openzeppelin/contracts/token/ERC20/ERC20.sol#62-64)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#136-140)
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. Ignore for presale.


Unable to find Blog account (Reddit or Medium)


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

Additional information: link


Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)


Unable to verify token contract address on the website


Unable to find Telegram link on the website


Unable to find token on CoinGecko

Additional information: link


Unable to find token on CoinMarketCap

Additional information: link


Token is not listed at Mobula.Finance

Additional information: link


Unable to find token on CoinHunt

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


Token is relatively young, but twitter if very old (probably it's fake).

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