EX Sport Starz is a platform that allows sport fans to buy, trade and sell digital sport collectibles. The app offers a variety of sports and has a special reward program for the collectors, athletes and sport fans.
Contract locking ether found:
Contract ChildERC20 (#1450-1516) has payable functions:
- NativeMetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#1343-1377)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.
Additional information: link
Contract ownership is not renounced (belongs to a wallet)
Different versions of Solidity is used:
- Version used: ['0.6.6', '^0.6.0', '^0.6.2']
- ^0.6.0 (#5)
- ^0.6.0 (#33)
- ^0.6.0 (#114)
- ^0.6.2 (#276)
- ^0.6.0 (#420)
- ^0.6.0 (#729)
- ^0.6.0 (#976)
- 0.6.6 (#1193)
- 0.6.6 (#1214)
- 0.6.6 (#1222)
- 0.6.6 (#1236)
- 0.6.6 (#1313)
- 0.6.6 (#1420)
- 0.6.6 (#1447)
Use one Solidity version.
Additional information: link
ERC20.constructor(string,string).name (#473) shadows:
- ERC20.name() (#482-484) (function)
ERC20.constructor(string,string).symbol (#473) shadows:
- ERC20.symbol() (#490-492) (function)
Rename the local variables that shadow another component.
Additional information: link
Address.isContract(address) (#299-308) uses assembly
- INLINE ASM (#306)
Address._functionCallWithValue(address,bytes,uint256,string) (#392-413) uses assembly
- INLINE ASM (#405-408)
EIP712Base.getChainId() (#1284-1290) uses assembly
- INLINE ASM (#1286-1288)
ContextMixin.msgSender() (#1423-1442) uses assembly
- INLINE ASM (#1431-1437)
Do not use evm assembly.
Additional information: link
AccessControl._setRoleAdmin(bytes32,bytes32) (#1173-1176) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#392-413) is never used and should be removed
Address.functionCall(address,bytes) (#352-354) is never used and should be removed
Address.functionCall(address,bytes,string) (#362-364) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#377-379) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#387-390) is never used and should be removed
Address.isContract(address) (#299-308) is never used and should be removed
Address.sendValue(address,uint256) (#326-332) is never used and should be removed
Context._msgData() (#22-26) is never used and should be removed
Context._msgSender() (#18-20) is never used and should be removed
EnumerableSet.add(EnumerableSet.UintSet,uint256) (#929-931) is never used and should be removed
EnumerableSet.at(EnumerableSet.UintSet,uint256) (#967-969) is never used and should be removed
EnumerableSet.contains(EnumerableSet.UintSet,uint256) (#946-948) is never used and should be removed
EnumerableSet.length(EnumerableSet.UintSet) (#953-955) is never used and should be removed
EnumerableSet.remove(EnumerableSet.UintSet,uint256) (#939-941) is never used and should be removed
SafeMath.div(uint256,uint256) (#214-216) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#230-236) is never used and should be removed
SafeMath.mod(uint256,uint256) (#250-252) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#266-269) is never used and should be removed
SafeMath.mul(uint256,uint256) (#188-200) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.6.0 (#5) allows old versions
Pragma version^0.6.0 (#33) allows old versions
Pragma version^0.6.0 (#114) allows old versions
Pragma version^0.6.2 (#276) allows old versions
Pragma version^0.6.0 (#420) allows old versions
Pragma version^0.6.0 (#729) allows old versions
Pragma version^0.6.0 (#976) allows old versions
Pragma version0.6.6 (#1193) allows old versions
Pragma version0.6.6 (#1214) allows old versions
Pragma version0.6.6 (#1222) allows old versions
Pragma version0.6.6 (#1236) allows old versions
Pragma version0.6.6 (#1313) allows old versions
Pragma version0.6.6 (#1420) allows old versions
Pragma version0.6.6 (#1447) allows old versions
solc-0.6.6 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 Address.sendValue(address,uint256) (#326-332):
- (success) = recipient.call{value: amount}() (#330)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#392-413):
- (success,returndata) = target.call{value: weiValue}(data) (#396)
Low level call in NativeMetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#1343-1377):
- (success,returnData) = address(this).call(abi.encodePacked(functionSignature,userAddress)) (#1371-1373)
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 (#23)" inContext (#17-27)
Remove redundant statements if they congest code but offer no value.
Additional information: link
ChildERC20.slitherConstructorVariables() (#1450-1516) uses literals with too many digits:
- _maxSupply = 1000000000000000000000000000 (#1458)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
ChildERC20._maxSupply (#1458) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
name() should be declared external:
- ERC20.name() (#482-484)
symbol() should be declared external:
- ERC20.symbol() (#490-492)
decimals() should be declared external:
- ERC20.decimals() (#507-509)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#521-523)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#533-536)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#541-543)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#552-555)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#569-573)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#587-590)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#606-609)
getRoleMemberCount(bytes32) should be declared external:
- AccessControl.getRoleMemberCount(bytes32) (#1067-1069)
getRoleMember(bytes32,uint256) should be declared external:
- AccessControl.getRoleMember(bytes32,uint256) (#1083-1085)
getRoleAdmin(bytes32) should be declared external:
- AccessControl.getRoleAdmin(bytes32) (#1093-1095)
grantRole(bytes32,address) should be declared external:
- AccessControl.grantRole(bytes32,address) (#1107-1111)
revokeRole(bytes32,address) should be declared external:
- AccessControl.revokeRole(bytes32,address) (#1122-1126)
renounceRole(bytes32,address) should be declared external:
- AccessControl.renounceRole(bytes32,address) (#1142-1146)
executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) should be declared external:
- NativeMetaTransaction.executeMetaTransaction(address,bytes,bytes32,bytes32,uint8) (#1343-1377)
getNonce(address) should be declared external:
- NativeMetaTransaction.getNonce(address) (#1395-1397)
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/project description on the website or on BscScan, CoinMarketCap
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
Token was delisted (assigned to inactive / untracked listing) from CoinMarketCap
Additional information: link
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 scam / price dump / death
Token has no active CoinGecko listing / rank
Token has no active CoinMarketCap listing / rank