About $MANGA
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Manga Token is a reward, payment and staking token for the manga industry to facilitate supporting your favourite manga artists through a new form of digital merchandise called Manga NFTs and we are building the world largest Manga NFT marketplace for authentic manga collectibles from original manga artists.
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Laser Scorebeta Last Audit: 30 November 2021
Anti-Scam
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MangaToken._writeCheckpoint(address,uint32,uint256,uint256) (contracts/MangaToken.sol#215-233) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (contracts/MangaToken.sol#225)
Don't use strict equality to determine if an account has enough Ether or tokens.
Additional information: link
Contract ticker ($MANGA) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.
BEP20._approve(address,address,uint256).owner (contracts/libs/BEP20.sol#278) shadows:
- Ownable.owner() (@openzeppelin/contracts/access/Ownable.sol#35-37) (function)
Rename the local variables that shadow another component.
Additional information: link
MangaToken.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (contracts/MangaToken.sol#81-122) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now <= expiry,MangaToken::delegateBySig: signature expired) (contracts/MangaToken.sol#120)
Avoid relying on block.timestamp.
Additional information: link
MangaToken.getChainId() (contracts/MangaToken.sol#240-244) uses assembly
- INLINE ASM (contracts/MangaToken.sol#242)
Do not use evm assembly.
Additional information: link
Different versions of Solidity is used:
- Version used: ['0.6.12', '>=0.4.0', '>=0.6.0<0.8.0', '>=0.6.4']
- >=0.6.0<0.8.0 (@openzeppelin/contracts/GSN/Context.sol#3)
- >=0.6.0<0.8.0 (@openzeppelin/contracts/access/Ownable.sol#3)
- >=0.6.0<0.8.0 (@openzeppelin/contracts/math/SafeMath.sol#3)
- >=0.6.0<0.8.0 (@openzeppelin/contracts/utils/Context.sol#3)
- 0.6.12 (contracts/MangaToken.sol#1)
- >=0.4.0 (contracts/libs/BEP20.sol#1)
- >=0.6.4 (contracts/libs/IBEP20.sol#1)
Use one Solidity version.
Additional information: link
SafeMath.trySub(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#35-38) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version>=0.6.4 (contracts/libs/IBEP20.sol#1) 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
Variable MangaToken._delegates (contracts/MangaToken.sol#23) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (@openzeppelin/contracts/utils/Context.sol#21)" inContext (@openzeppelin/contracts/utils/Context.sol#15-24)
Remove redundant statements if they congest code but offer no value.
Additional information: link
mint(uint256) should be declared external:
- BEP20.mint(uint256) (contracts/libs/BEP20.sol#201-204)
Use the external attribute for functions never called from the contract.
Additional information: link
Token is deployed only at one blockchain
Unable to find PancakeSwap trading pair to compute liquidity.
Unable to find PancakeSwap trading pair to compute number of swaps.
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of price dump / death
Token has relatively low CoinMarketCap rank
Price for $MANGA
LASER DESK beta
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