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Orbs was built to bridge the unoccupied gap between the functionality of a public blockchain with the ironclad security of a private one.
In a time where people are trusting major companies less than ever before, those enterprises can, at best, ask users to trust them. By empowering those enterprises with the option of operating on a public blockchain safely, Orbs grants them a major competitive edge in the form of digital guarantees to users: No need to trust when users can simply verify.
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Laser Scorebeta Last Audit: 17 January 2022
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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() (#208-211) 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 (#214) 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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