EX Sports Token Logo

EXS [EX Sports] Token

About EXS

Listings

Token 2 years
CoinGecko 2 years
CoinMarketCap 3 years

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.

Laser Scorebeta Last Audit: 30 April 2022

report
Token is either risky or in presale. For presale 30+ is a fine score.

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

Holders:


Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.


Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

No disclosed threats


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

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