Circuits of Value V2 Token Logo

COVAL [Circuits of Value V2] Token



Token 17 months
CoinMarketCap 7 years
white paper

Emblem Vault is the NFT platform that enables cross-chain transfers of any digital asset, and $COVAL is the fuel that powers it all!

Laser Scorebeta Last Audit: 19 February 2022

Token seems to be legit.



Address.isContract(address) (#516-526) uses assembly
- INLINE ASM (#522-524)
Do not use evm assembly.

Additional information: link

Address.isContract(address) (#516-526) is never used and should be removed
SafeERC20.callOptionalReturn(IERC20,bytes) (#571-586) is never used and should be removed
SafeERC20.safeApprove(IERC20,address,uint256) (#556-569) is never used and should be removed
SafeERC20.safeTransfer(IERC20,address,uint256) (#533-542) is never used and should be removed
SafeERC20.safeTransferFrom(IERC20,address,address,uint256) (#544-554) is never used and should be removed
SafeMath.div(uint256,uint256) (#498-500) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#502-512) is never used and should be removed
SafeMath.mul(uint256,uint256) (#487-496) is never used and should be removed
Remove unused functions.

Additional information: link

Low level call in SafeERC20.callOptionalReturn(IERC20,bytes) (#571-586):
- (success,returndata) = address(token).call(data) (#575)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Parameter Configurable.setGovernance(address)._governance (#254) is not in mixedCase
Parameter Configurable.transferOwnership(address)._governance (#259) is not in mixedCase
Variable Configurable._balances (#73) is not in mixedCase
Variable Configurable._allowances (#74) is not in mixedCase
Variable Configurable._totalSupply (#75) is not in mixedCase
Parameter ConfigurableERC20.transfer(address,uint256,bool)._private (#617) is not in mixedCase
Parameter ConfigurableERC20.transferFrom(address,address,uint256,bool)._private (#626) is not in mixedCase
Parameter ConfigurableERC20.changeContractDetails(string,string,uint8)._name (#640) is not in mixedCase
Parameter ConfigurableERC20.changeContractDetails(string,string,uint8)._symbol (#641) is not in mixedCase
Parameter ConfigurableERC20.changeContractDetails(string,string,uint8)._decimals (#642) is not in mixedCase
Parameter ConfigurableERC20.addMinter(address)._minter (#649) is not in mixedCase
Parameter ConfigurableERC20.removeMinter(address)._minter (#653) is not in mixedCase
Parameter ConfigurableERC20.addViewer(address)._viewer (#657) is not in mixedCase
Parameter ConfigurableERC20.removeViewer(address)._viewer (#661) is not in mixedCase
Parameter ConfigurableERC20.addDepositer(address)._depositer (#665) is not in mixedCase
Parameter ConfigurableERC20.removeDepositer(address)._depositer (#669) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Configurable.resolver (#76) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

transferable() should be declared external:
- Configurable.transferable() (#110-112)
burnable() should be declared external:
- Configurable.burnable() (#114-116)
visibleOrAdmin() should be declared external:
- Configurable.visibleOrAdmin() (#122-124)
allowPrivateTransactions() should be declared external:
- Configurable.allowPrivateTransactions() (#126-128)
blocksTillUnlock() should be declared external:
- Configurable.blocksTillUnlock() (#142-148)
unLock() should be declared external:
- Configurable.unLock() (#196-207)
lockForever() should be declared external:
- Configurable.lockForever() (#209-220)
lockTemporarily() should be declared external:
- Configurable.lockTemporarily() (#222-224)
lockTemporarilyTillBlock(uint256) should be declared external:
- Configurable.lockTemporarilyTillBlock(uint256) (#226-236)
toggleBurnable() should be declared external:
- Configurable.toggleBurnable() (#238-240)
toggleTransferable() should be declared external:
- Configurable.toggleTransferable() (#242-244)
toggleVisibility() should be declared external:
- Configurable.toggleVisibility() (#246-248)
togglePrivateTransferability() should be declared external:
- Configurable.togglePrivateTransferability() (#250-252)
setGovernance(address) should be declared external:
- Configurable.setGovernance(address) (#254-256)
transferOwnership(address) should be declared external:
- Configurable.transferOwnership(address) (#259-261)
totalSupply() should be declared external:
- ERC20.totalSupply() (#277-285)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#287-295)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#297-304)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#306-313)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#315-330)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#362-372)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#374-387)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#389-397)
init() should be declared external:
- ConfigurableERC20.init() (#605-612)
transfer(address,uint256,bool) should be declared external:
- ConfigurableERC20.transfer(address,uint256,bool) (#614-620)
transferFrom(address,address,uint256,bool) should be declared external:
- ConfigurableERC20.transferFrom(address,address,uint256,bool) (#622-629)
mint(address,uint256) should be declared external:
-,uint256) (#631-633)
burn(uint256) should be declared external:
- ConfigurableERC20.burn(uint256) (#635-637)
changeContractDetails(string,string,uint8) should be declared external:
- ConfigurableERC20.changeContractDetails(string,string,uint8) (#639-647)
addMinter(address) should be declared external:
- ConfigurableERC20.addMinter(address) (#649-651)
removeMinter(address) should be declared external:
- ConfigurableERC20.removeMinter(address) (#653-655)
addViewer(address) should be declared external:
- ConfigurableERC20.addViewer(address) (#657-659)
removeViewer(address) should be declared external:
- ConfigurableERC20.removeViewer(address) (#661-663)
addDepositer(address) should be declared external:
- ConfigurableERC20.addDepositer(address) (#665-667)
removeDepositer(address) should be declared external:
- ConfigurableERC20.removeDepositer(address) (#669-671)
Use the external attribute for functions never called from the contract.

Additional information: link

No disclosed threats

Unable to find Youtube account

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find whitepaper link on the website

No disclosed threats

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