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POLS [Polkastarter] Token

About POLS

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Token 15 months
CoinGecko 21 months
CoinMarketCap 21 months
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POLS token holders will be able to vote on product features, token utility, types of auctions and even decide which projects get to be featured by Polkastarter.

Laser Scorebeta Last Audit: 2 May 2022

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Token seems to be legit.

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AnyswapV4ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#319-322) ignores return value by IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#320)
Ensure that all the return values of the function calls are used.

Additional information: link

AnyswapV4ERC20.initVault(address)._vault (#183) lacks a zero-check on :
- vault = _vault (#185)
- pendingVault = _vault (#186)
AnyswapV4ERC20.setMinter(address)._auth (#193) lacks a zero-check on :
- pendingMinter = _auth (#194)
AnyswapV4ERC20.setVault(address)._vault (#198) lacks a zero-check on :
- pendingVault = _vault (#199)
AnyswapV4ERC20.constructor(string,string,uint8,address,address)._underlying (#278) lacks a zero-check on :
- underlying = _underlying (#282)
AnyswapV4ERC20.constructor(string,string,uint8,address,address)._vault (#278) lacks a zero-check on :
- vault = _vault (#293)
- pendingVault = _vault (#294)
Check that the address is not zero.

Additional information: link

Reentrancy in AnyswapV4ERC20.deposit() (#324-328):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),_amount) (#326)
State variables written after the call(s):
- _deposit(_amount,msg.sender) (#327)
- _totalSupply += amount (#384)
- _deposit(_amount,msg.sender) (#327)
- balanceOf[account] += amount (#385)
Reentrancy in AnyswapV4ERC20.deposit(uint256) (#330-333):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#331)
State variables written after the call(s):
- _deposit(amount,msg.sender) (#332)
- _totalSupply += amount (#384)
- _deposit(amount,msg.sender) (#332)
- balanceOf[account] += amount (#385)
Reentrancy in AnyswapV4ERC20.deposit(uint256,address) (#335-338):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#336)
State variables written after the call(s):
- _deposit(amount,to) (#337)
- _totalSupply += amount (#384)
- _deposit(amount,to) (#337)
- balanceOf[account] += amount (#385)
Reentrancy in AnyswapV4ERC20.depositWithPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#313-317):
External calls:
- IERC20(underlying).permit(target,address(this),value,deadline,v,r,s) (#314)
- IERC20(underlying).safeTransferFrom(target,address(this),value) (#315)
State variables written after the call(s):
- _deposit(value,to) (#316)
- _totalSupply += amount (#384)
- _deposit(value,to) (#316)
- balanceOf[account] += amount (#385)
Reentrancy in AnyswapV4ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#319-322):
External calls:
- IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#320)
State variables written after the call(s):
- _deposit(value,to) (#321)
- _totalSupply += amount (#384)
- _deposit(value,to) (#321)
- balanceOf[account] += amount (#385)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in AnyswapV4ERC20.deposit() (#324-328):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),_amount) (#326)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#386)
- _deposit(_amount,msg.sender) (#327)
Reentrancy in AnyswapV4ERC20.deposit(uint256) (#330-333):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#331)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#386)
- _deposit(amount,msg.sender) (#332)
Reentrancy in AnyswapV4ERC20.deposit(uint256,address) (#335-338):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#336)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#386)
- _deposit(amount,to) (#337)
Reentrancy in AnyswapV4ERC20.depositWithPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#313-317):
External calls:
- IERC20(underlying).permit(target,address(this),value,deadline,v,r,s) (#314)
- IERC20(underlying).safeTransferFrom(target,address(this),value) (#315)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#386)
- _deposit(value,to) (#316)
Reentrancy in AnyswapV4ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#319-322):
External calls:
- IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#320)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#386)
- _deposit(value,to) (#321)
Apply the check-effects-interactions pattern.

Additional information: link

AnyswapV4ERC20.mpc() (#172-177) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp >= delayVault (#173)
AnyswapV4ERC20.applyVault() (#203-206) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(block.timestamp >= delayVault) (#204)
AnyswapV4ERC20.applyMinter() (#208-212) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(block.timestamp >= delayMinter) (#209)
AnyswapV4ERC20.permit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#441-458) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,AnyswapV3ERC20: Expired permit) (#442)
AnyswapV4ERC20.transferWithPermit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#460-484) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,AnyswapV3ERC20: Expired permit) (#461)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#75-81) uses assembly
- INLINE ASM (#79)
AnyswapV4ERC20.constructor(string,string,uint8,address,address) (#278-306) uses assembly
- INLINE ASM (#298)
Do not use evm assembly.

Additional information: link

SafeERC20.safeApprove(IERC20,address,uint256) (#95-100) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version0.8.2 (#3) allows old versions
solc-0.8.2 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

Low level call in SafeERC20.callOptionalReturn(IERC20,bytes) (#101-112):
- (success,returndata) = address(token).call(data) (#105)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Parameter AnyswapV4ERC20.initVault(address)._vault (#183) is not in mixedCase
Parameter AnyswapV4ERC20.setMinter(address)._auth (#193) is not in mixedCase
Parameter AnyswapV4ERC20.setVault(address)._vault (#198) is not in mixedCase
Parameter AnyswapV4ERC20.revokeMinter(address)._auth (#215) is not in mixedCase
Function AnyswapV4ERC20.Swapin(bytes32,address,uint256) (#251-255) is not in mixedCase
Function AnyswapV4ERC20.Swapout(uint256,address) (#257-263) is not in mixedCase
Variable AnyswapV4ERC20.DOMAIN_SEPARATOR (#125) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

AnyswapV4ERC20.delay (#138) should be constant
AnyswapV4ERC20.delayDelay (#155) should be constant
AnyswapV4ERC20.pendingDelay (#154) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

owner() should be declared external:
- AnyswapV4ERC20.owner() (#168-170)
changeMPCOwner(address) should be declared external:
- AnyswapV4ERC20.changeMPCOwner(address) (#232-238)
Swapin(bytes32,address,uint256) should be declared external:
- AnyswapV4ERC20.Swapin(bytes32,address,uint256) (#251-255)
Swapout(uint256,address) should be declared external:
- AnyswapV4ERC20.Swapout(uint256,address) (#257-263)
Use the external attribute for functions never called from the contract.

Additional information: link

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