Rage.Fan is a fan-first decentralized sports platform built on 0xPolygon, offering Daily Fantasy Sports (DFS), NFT Stake & Mint, and Scramble App. Its Daily Fantasy Sports (DFS) platform covers Football, Cricket, and Basketball for fantasy sports players. The Rage.Fan stake and mint platform has gamified Staking and APYs with NFTs earning rewards based on outcomes in sports events. The platform is available on a monthly subscription model for crypto projects that want to enable additional utility for their tokens. Scramble is an Augmented Reality (AR) based NFT & Token Hunt App, where users hunt $Rage and other tokens for free anywhere in the world. It brings out a unique and engaging coin capture experience in addition to traditional airdrops. Rage.Fan will also host a Sports Oracle, offering reliable secure off-chain sports data.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Contract locking ether found:
Contract RageToken (#872-886) has payable functions:
- EIP712MetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#253-270)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.
Additional information: link
ERC20.constructor(string,string).name (#618) shadows:
- ERC20.name() (#627-629) (function)
ERC20.constructor(string,string).symbol (#618) shadows:
- ERC20.symbol() (#635-637) (function)
Rename the local variables that shadow another component.
Additional information: link
Reentrancy in EIP712MetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#253-270):
External calls:
- (success,returnData) = address(this).call(abi.encodePacked(functionSignature,userAddress)) (#265)
Event emitted after the call(s):
- MetaTransactionExecuted(userAddress,msg.sender,functionSignature) (#268)
Apply the check-effects-interactions pattern.
Additional information: link
EIP712MetaTransaction.convertBytesToBytes4(bytes) (#243-251) uses assembly
- INLINE ASM (#248-250)
Context.msgSender() (#317-329) uses assembly
- INLINE ASM (#321-324)
Address.isContract(address) (#444-453) uses assembly
- INLINE ASM (#451)
Address._functionCallWithValue(address,bytes,uint256,string) (#537-558) uses assembly
- INLINE ASM (#550-553)
Do not use evm assembly.
Additional information: link
Different versions of Solidity is used:
- Version used: ['>=0.5.16<0.6.8', '^0.6.2']
- >=0.5.16<0.6.8 (#3)
- ^0.6.2 (#59)
- >=0.5.16<0.6.8 (#219)
- ^0.6.2 (#298)
- ^0.6.2 (#341)
- ^0.6.2 (#421)
- ^0.6.2 (#565)
Use one Solidity version.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#537-558) is never used and should be removed
Address.functionCall(address,bytes) (#497-499) is never used and should be removed
Address.functionCall(address,bytes,string) (#507-509) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#522-524) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#532-535) is never used and should be removed
Address.isContract(address) (#444-453) is never used and should be removed
Address.sendValue(address,uint256) (#471-477) is never used and should be removed
Context._msgData() (#331-334) is never used and should be removed
ERC20._burn(address,uint256) (#811-819) is never used and should be removed
ERC20._setupDecimals(uint8) (#849-851) is never used and should be removed
SafeMath.div(uint256,uint256) (#159-161) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#175-181) is never used and should be removed
SafeMath.mod(uint256,uint256) (#195-197) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#211-214) is never used and should be removed
SafeMath.mul(uint256,uint256) (#133-145) is never used and should be removed
SafeMath.sub(uint256,uint256) (#102-104) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version>=0.5.16<0.6.8 (#3) is too complex
Pragma version^0.6.2 (#59) allows old versions
Pragma version>=0.5.16<0.6.8 (#219) is too complex
Pragma version^0.6.2 (#298) allows old versions
Pragma version^0.6.2 (#341) allows old versions
Pragma version^0.6.2 (#421) allows old versions
Pragma version^0.6.2 (#565) allows old versions
solc-0.6.7 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 EIP712MetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#253-270):
- (success,returnData) = address(this).call(abi.encodePacked(functionSignature,userAddress)) (#265)
Low level call in Address.sendValue(address,uint256) (#471-477):
- (success) = recipient.call{value: amount}() (#475)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#537-558):
- (success,returndata) = target.call{value: weiValue}(data) (#541)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Redundant expression "this (#332)" inContext (#312-335)
Remove redundant statements if they congest code but offer no value.
Additional information: link
RageToken.slitherConstructorVariables() (#872-886) uses literals with too many digits:
- initialSupply = 400000000000000000000000000 (#875)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
RageToken.initialSupply (#875) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) should be declared external:
- EIP712MetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#253-270)
name() should be declared external:
- ERC20.name() (#627-629)
symbol() should be declared external:
- ERC20.symbol() (#635-637)
decimals() should be declared external:
- ERC20.decimals() (#652-654)
totalSupply() should be declared external:
- ERC20.totalSupply() (#659-661)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#666-668)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#678-681)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#686-688)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#697-700)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#714-718)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#732-735)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#751-754)
Use the external attribute for functions never called from the contract.
Additional information: link
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
Unable to find audit link on the website
Unable to find whitepaper link on the website
Unable to find token on CoinHunt
Additional information: link
Unable to find code repository for the project
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of price dump / death
Unable to find Youtube account
Unable to find Discord account