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REVV Token

About REVV

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Token 3 years
CoinGecko 4 years
CoinMarketCap 4 years
[CoinMarketCap] alert: Let's Learn About "REVV" on the Learn & Earn Page!
white paper

REVV is the main utility token and in-game currency of the branded motorsports games produced by Animoca Brands, including branded titles based on intellectual property, such as MotoGP™ Ignition and Formula E: High Voltage, original title REVV Racing and many more to be announced soon.

REVV is being leveraged as a cross-title utility, and the driving force behind the ecosystem's Play-to-Earn model.

Laser Scorebeta Last Audit: 22 January 2023

report
Token seems to be (relatively) fine. It still become a scam, but probability is moderate.

Anti-Scam

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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.delayDelay (#175) should be constant
AnyswapV5ERC20.pendingDelay (#174) should be constant
AnyswapV5ERC20.delay (#158) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

changeMPCOwner(address) should be declared external:
- AnyswapV5ERC20.changeMPCOwner(address) (#252-258)
owner() should be declared external:
- AnyswapV5ERC20.owner() (#188-190)
Swapout(uint256,address) should be declared external:
- AnyswapV5ERC20.Swapout(uint256,address) (#277-283)
Swapin(bytes32,address,uint256) should be declared external:
- AnyswapV5ERC20.Swapin(bytes32,address,uint256) (#271-275)
Use the external attribute for functions never called from the contract.

Additional information: link

AnyswapV5ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#339-342) ignores return value by IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#340)
Ensure that all the return values of the function calls are used.

Additional information: link

AnyswapV5ERC20.setMinter(address)._auth (#213) lacks a zero-check on :
- pendingMinter = _auth (#214)
AnyswapV5ERC20.constructor(string,string,uint8,address,address)._underlying (#298) lacks a zero-check on :
- underlying = _underlying (#302)
AnyswapV5ERC20.setVault(address)._vault (#218) lacks a zero-check on :
- pendingVault = _vault (#219)
AnyswapV5ERC20.initVault(address)._vault (#203) lacks a zero-check on :
- vault = _vault (#205)
- pendingVault = _vault (#206)
AnyswapV5ERC20.constructor(string,string,uint8,address,address)._vault (#298) lacks a zero-check on :
- vault = _vault (#313)
- pendingVault = _vault (#314)
Check that the address is not zero.

Additional information: link

Reentrancy in AnyswapV5ERC20.deposit() (#344-348):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),_amount) (#346)
State variables written after the call(s):
- _deposit(_amount,msg.sender) (#347)
- _totalSupply += amount (#404)
- _deposit(_amount,msg.sender) (#347)
- balanceOf[account] += amount (#405)
Reentrancy in AnyswapV5ERC20.deposit(uint256) (#350-353):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#351)
State variables written after the call(s):
- _deposit(amount,msg.sender) (#352)
- _totalSupply += amount (#404)
- _deposit(amount,msg.sender) (#352)
- balanceOf[account] += amount (#405)
Reentrancy in AnyswapV5ERC20.depositWithPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#333-337):
External calls:
- IERC20(underlying).permit(target,address(this),value,deadline,v,r,s) (#334)
- IERC20(underlying).safeTransferFrom(target,address(this),value) (#335)
State variables written after the call(s):
- _deposit(value,to) (#336)
- _totalSupply += amount (#404)
- _deposit(value,to) (#336)
- balanceOf[account] += amount (#405)
Reentrancy in AnyswapV5ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#339-342):
External calls:
- IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#340)
State variables written after the call(s):
- _deposit(value,to) (#341)
- _totalSupply += amount (#404)
- _deposit(value,to) (#341)
- balanceOf[account] += amount (#405)
Reentrancy in AnyswapV5ERC20.deposit(uint256,address) (#355-358):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#356)
State variables written after the call(s):
- _deposit(amount,to) (#357)
- _totalSupply += amount (#404)
- _deposit(amount,to) (#357)
- balanceOf[account] += amount (#405)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in AnyswapV5ERC20.deposit() (#344-348):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),_amount) (#346)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#406)
- _deposit(_amount,msg.sender) (#347)
Reentrancy in AnyswapV5ERC20.deposit(uint256) (#350-353):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#351)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#406)
- _deposit(amount,msg.sender) (#352)
Reentrancy in AnyswapV5ERC20.depositWithPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#333-337):
External calls:
- IERC20(underlying).permit(target,address(this),value,deadline,v,r,s) (#334)
- IERC20(underlying).safeTransferFrom(target,address(this),value) (#335)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#406)
- _deposit(value,to) (#336)
Reentrancy in AnyswapV5ERC20.depositWithTransferPermit(address,uint256,uint256,uint8,bytes32,bytes32,address) (#339-342):
External calls:
- IERC20(underlying).transferWithPermit(target,address(this),value,deadline,v,r,s) (#340)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#406)
- _deposit(value,to) (#341)
Reentrancy in AnyswapV5ERC20.deposit(uint256,address) (#355-358):
External calls:
- IERC20(underlying).safeTransferFrom(msg.sender,address(this),amount) (#356)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#406)
- _deposit(amount,to) (#357)
Apply the check-effects-interactions pattern.

Additional information: link

AnyswapV5ERC20.mpc() (#192-197) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp >= delayVault (#193)
AnyswapV5ERC20.applyVault() (#223-226) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(block.timestamp >= delayVault) (#224)
AnyswapV5ERC20.applyMinter() (#228-232) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(block.timestamp >= delayMinter) (#229)
AnyswapV5ERC20.transferWithPermit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#480-504) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,AnyswapV3ERC20: Expired permit) (#481)
AnyswapV5ERC20.permit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#461-478) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,AnyswapV3ERC20: Expired permit) (#462)
Avoid relying on block.timestamp.

Additional information: link

AnyswapV5ERC20.constructor(string,string,uint8,address,address) (#298-326) uses assembly
- INLINE ASM (#318)
Address.isContract(address) (#95-101) uses assembly
- INLINE ASM (#99)
Do not use evm assembly.

Additional information: link

SafeERC20.safeApprove(IERC20,address,uint256) (#115-120) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version0.8.2 (#23) 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) (#121-132):
- (success,returndata) = address(token).call(data) (#125)
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.setVault(address)._vault (#218) is not in mixedCase
Function AnyswapV5ERC20.Swapin(bytes32,address,uint256) (#271-275) is not in mixedCase
Function AnyswapV5ERC20.Swapout(uint256,address) (#277-283) is not in mixedCase
Variable AnyswapV5ERC20.DOMAIN_SEPARATOR (#145) is not in mixedCase
Parameter AnyswapV5ERC20.initVault(address)._vault (#203) is not in mixedCase
Parameter AnyswapV5ERC20.revokeMinter(address)._auth (#235) is not in mixedCase
Parameter AnyswapV5ERC20.setMinter(address)._auth (#213) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Holders:


Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.


Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.


Unable to find Youtube account


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

Additional information: link


Unable to find token contract audit


Unable to verify token contract address on the website


Token is not listed at Mobula.Finance

Additional information: link


Unable to find audit link on the website


Unable to find token on CoinHunt

Additional information: link

No disclosed threats

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