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MetalSwap is a decentralized platform that allows hedging swaps on financial
markets with the aim of providing a coverage to those who work with commodities
and an investment opportunity for those who contribute to increase the shared
liquidity of the project. Allowing the protection for an increasing number of operators.
At the moment, financial swaps are the most widely used ""insurance"" tool for
large-scale exchanges of raw materials such as metals, but everything takes place
on centralized markets that require financial hedge and bank credit lines that are
not always accessible to all and with ""restrictive"" bureaucratic times.
With the concept of an economic incentive, given by the distribution of the
governance token ($XMT), the system will have publicly accessible pooled liquidity.
Through a set of ""smart contracts"", initially written on Ethereum, the contracts will
make it possible to execute swaps without the need for intermediaries, at reduced
costs and without time restrictions.
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Laser Scorebeta Last Audit: 18 August 2022
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Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Contract ownership is not renounced (belongs to a wallet)
AnyswapV5ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#343-346) ignores return value by IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#344)
Ensure that all the return values of the function calls are used.
Additional information: link
AnyswapV5ERC20.initVault(address)._vault (#207) lacks a zero-check on :
- vault = _vault (#209)
- pendingVault = _vault (#210)
AnyswapV5ERC20.setMinter(address)._auth (#217) lacks a zero-check on :
- pendingMinter = _auth (#218)
AnyswapV5ERC20.setVault(address)._vault (#222) lacks a zero-check on :
- pendingVault = _vault (#223)
AnyswapV5ERC20.constructor(string,string,uint8,address,address)._underlying (#302) lacks a zero-check on :
- underlying = _underlying (#306)
AnyswapV5ERC20.constructor(string,string,uint8,address,address)._vault (#302) lacks a zero-check on :
- vault = _vault (#317)
- pendingVault = _vault (#318)
Check that the address is not zero.
Additional information: link
Reentrancy in AnyswapV5ERC20.deposit() (#348-352):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),_amount) (#350)
State variables written after the call(s):
- _deposit(_amount,msg.sender) (#351)
- _totalSupply += amount (#408)
- _deposit(_amount,msg.sender) (#351)
- balanceOf[account] += amount (#409)
Reentrancy in AnyswapV5ERC20.deposit(uint256) (#354-357):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#355)
State variables written after the call(s):
- _deposit(amount,msg.sender) (#356)
- _totalSupply += amount (#408)
- _deposit(amount,msg.sender) (#356)
- balanceOf[account] += amount (#409)
Reentrancy in AnyswapV5ERC20.deposit(uint256,address) (#359-362):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#360)
State variables written after the call(s):
- _deposit(amount,to) (#361)
- _totalSupply += amount (#408)
- _deposit(amount,to) (#361)
- balanceOf[account] += amount (#409)
Reentrancy in AnyswapV5ERC20.depositWithPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#337-341):
External calls:
- IERC20(underlying).permit(target,address(this),value,deadline,v,r,s) (#338)
- IERC20(underlying).safeTransferFrom(target,address(this),value) (#339)
State variables written after the call(s):
- _deposit(value,to) (#340)
- _totalSupply += amount (#408)
- _deposit(value,to) (#340)
- balanceOf[account] += amount (#409)
Reentrancy in AnyswapV5ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#343-346):
External calls:
- IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#344)
State variables written after the call(s):
- _deposit(value,to) (#345)
- _totalSupply += amount (#408)
- _deposit(value,to) (#345)
- balanceOf[account] += amount (#409)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in AnyswapV5ERC20.deposit() (#348-352):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),_amount) (#350)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#410)
- _deposit(_amount,msg.sender) (#351)
Reentrancy in AnyswapV5ERC20.deposit(uint256) (#354-357):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#355)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#410)
- _deposit(amount,msg.sender) (#356)
Reentrancy in AnyswapV5ERC20.deposit(uint256,address) (#359-362):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#360)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#410)
- _deposit(amount,to) (#361)
Reentrancy in AnyswapV5ERC20.depositWithPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#337-341):
External calls:
- IERC20(underlying).permit(target,address(this),value,deadline,v,r,s) (#338)
- IERC20(underlying).safeTransferFrom(target,address(this),value) (#339)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#410)
- _deposit(value,to) (#340)
Reentrancy in AnyswapV5ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#343-346):
External calls:
- IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#344)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#410)
- _deposit(value,to) (#345)
Apply the check-effects-interactions pattern.
Additional information: link
AnyswapV5ERC20.mpc() (#196-201) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp >= delayVault (#197)
AnyswapV5ERC20.applyVault() (#227-230) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(block.timestamp >= delayVault) (#228)
AnyswapV5ERC20.applyMinter() (#232-236) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(block.timestamp >= delayMinter) (#233)
AnyswapV5ERC20.permit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#465-482) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,AnyswapV3ERC20: Expired permit) (#466)
AnyswapV5ERC20.transferWithPermit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#484-508) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,AnyswapV3ERC20: Expired permit) (#485)
Avoid relying on block.timestamp.
Additional information: link
Address.isContract(address) (#99-105) uses assembly
- INLINE ASM (#103)
AnyswapV5ERC20.constructor(string,string,uint8,address,address) (#302-330) uses assembly
- INLINE ASM (#322)
Do not use evm assembly.
Additional information: link
SafeERC20.safeApprove(IERC20,address,uint256) (#119-124) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version0.8.2 (#27) 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) (#125-136):
- (success,returndata) = address(token).call(data) (#129)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Parameter AnyswapV5ERC20.initVault(address)._vault (#207) is not in mixedCase
Parameter AnyswapV5ERC20.setMinter(address)._auth (#217) is not in mixedCase
Parameter AnyswapV5ERC20.setVault(address)._vault (#222) is not in mixedCase
Parameter AnyswapV5ERC20.revokeMinter(address)._auth (#239) is not in mixedCase
Function AnyswapV5ERC20.Swapin(bytes32,address,uint256) (#275-279) is not in mixedCase
Function AnyswapV5ERC20.Swapout(uint256,address) (#281-287) is not in mixedCase
Variable AnyswapV5ERC20.DOMAIN_SEPARATOR (#149) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
AnyswapV5ERC20.delay (#162) should be constant
AnyswapV5ERC20.delayDelay (#179) should be constant
AnyswapV5ERC20.pendingDelay (#178) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
owner() should be declared external:
- AnyswapV5ERC20.owner() (#192-194)
changeMPCOwner(address) should be declared external:
- AnyswapV5ERC20.changeMPCOwner(address) (#256-262)
Swapin(bytes32,address,uint256) should be declared external:
- AnyswapV5ERC20.Swapin(bytes32,address,uint256) (#275-279)
Swapout(uint256,address) should be declared external:
- AnyswapV5ERC20.Swapout(uint256,address) (#281-287)
Use the external attribute for functions never called from the contract.
Additional information: link
Average 30d number of PancakeSwap swaps is low.
Young tokens have high risks of price dump / death
Young tokens have high risks of price dump / death
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
Price for XMT
LASER DESK beta
Telegram account link seems to be invalid
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