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UST [Wrapped UST] Token

About UST

Listings

Token 21 months
CoinMarketCap 2 years
white paper

USD pegged Terra Stablecoin

Laser Scorebeta Last Audit: 31 May 2022

report
Token seems to be legit.

Anti-Scam

Links

ERC20.constructor(string,string).name (@openzeppelin/contracts/token/ERC20/ERC20.sol#57) shadows:
- ERC20.name() (@openzeppelin/contracts/token/ERC20/ERC20.sol#66-68) (function)
ERC20.constructor(string,string).symbol (@openzeppelin/contracts/token/ERC20/ERC20.sol#57) shadows:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#74-76) (function)
WrappedToken.constructor(string,string).name (contracts/contracts/WrappedToken.sol#10) shadows:
- ERC20.name() (@openzeppelin/contracts/token/ERC20/ERC20.sol#66-68) (function)
WrappedToken.constructor(string,string).symbol (contracts/contracts/WrappedToken.sol#10) shadows:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#74-76) (function)
Rename the local variables that shadow another component.

Additional information: link

Address.isContract(address) (@openzeppelin/contracts/utils/Address.sol#26-35) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#33)
Address._functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#119-140) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#132-135)
Do not use evm assembly.

Additional information: link

Low level call in Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#53-59):
- (success) = recipient.call{value: amount}() (@openzeppelin/contracts/utils/Address.sol#57)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#119-140):
- (success,returndata) = target.call{value: weiValue}(data) (@openzeppelin/contracts/utils/Address.sol#123)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Redundant expression "this (@openzeppelin/contracts/GSN/Context.sol#21)" inContext (@openzeppelin/contracts/GSN/Context.sol#15-24)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.6.0', '^0.6.0', '^0.6.2']
- ^0.6.0 (@openzeppelin/contracts/GSN/Context.sol#3)
- ^0.6.0 (@openzeppelin/contracts/access/Ownable.sol#3)
- ^0.6.0 (@openzeppelin/contracts/math/SafeMath.sol#3)
- ^0.6.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#3)
- ^0.6.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#3)
- ^0.6.2 (@openzeppelin/contracts/utils/Address.sol#3)
- >=0.6.0 (contracts/contracts/WrappedToken.sol#2)
Use one Solidity version.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#119-140) is never used and should be removed
Address.functionCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#79-81) is never used and should be removed
Address.functionCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#89-91) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (@openzeppelin/contracts/utils/Address.sol#104-106) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#114-117) is never used and should be removed
Address.isContract(address) (@openzeppelin/contracts/utils/Address.sol#26-35) is never used and should be removed
Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#53-59) is never used and should be removed
Context._msgData() (@openzeppelin/contracts/GSN/Context.sol#20-23) is never used and should be removed
ERC20._setupDecimals(uint8) (@openzeppelin/contracts/token/ERC20/ERC20.sol#288-290) is never used and should be removed
SafeMath.div(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#103-105) is never used and should be removed
SafeMath.div(uint256,uint256,string) (@openzeppelin/contracts/math/SafeMath.sol#119-125) is never used and should be removed
SafeMath.mod(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#139-141) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (@openzeppelin/contracts/math/SafeMath.sol#155-158) is never used and should be removed
SafeMath.mul(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#77-89) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.6.0 (@openzeppelin/contracts/GSN/Context.sol#3) allows old versions
Pragma version^0.6.0 (@openzeppelin/contracts/access/Ownable.sol#3) allows old versions
Pragma version^0.6.0 (@openzeppelin/contracts/math/SafeMath.sol#3) allows old versions
Pragma version^0.6.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#3) allows old versions
Pragma version^0.6.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#3) allows old versions
Pragma version^0.6.2 (@openzeppelin/contracts/utils/Address.sol#3) allows old versions
Pragma version>=0.6.0 (contracts/contracts/WrappedToken.sol#2) allows old versions
solc-0.6.2 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

owner() should be declared external:
- Ownable.owner() (@openzeppelin/contracts/access/Ownable.sol#35-37)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (@openzeppelin/contracts/access/Ownable.sol#54-57)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (@openzeppelin/contracts/access/Ownable.sol#63-67)
name() should be declared external:
- ERC20.name() (@openzeppelin/contracts/token/ERC20/ERC20.sol#66-68)
symbol() should be declared external:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#74-76)
decimals() should be declared external:
- ERC20.decimals() (@openzeppelin/contracts/token/ERC20/ERC20.sol#91-93)
totalSupply() should be declared external:
- ERC20.totalSupply() (@openzeppelin/contracts/token/ERC20/ERC20.sol#98-100)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (@openzeppelin/contracts/token/ERC20/ERC20.sol#105-107)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#117-120)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (@openzeppelin/contracts/token/ERC20/ERC20.sol#125-127)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#136-139)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#153-157)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#171-174)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#190-193)
burn(uint256,bytes32) should be declared external:
- WrappedToken.burn(uint256,bytes32) (contracts/contracts/WrappedToken.sol#15-19)
mint(address,uint256) should be declared external:
- WrappedToken.mint(address,uint256) (contracts/contracts/WrappedToken.sol#21-23)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:
No disclosed threats


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