Microverse Token Logo

MVP [Microverse] Token

About MVP

Listings

Token 2 years
CoinMarketCap 2 years
white paper

Microverse is a decentralised VR metaverse that allows users to build, play and engage in a vast world with endless opportunities to create captivating experiences.

Social

Laser Scorebeta Last Audit: 30 May 2022

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

MVPToken.constructor(uint256,address[]).defaultOperators (MVPToken.sol#6) shadows:
- ERC777.defaultOperators() (ERC777.sol#211-213) (function)
- IERC777.defaultOperators() (IERC777.sol#125) (function)
Rename the local variables that shadow another component.

Additional information: link

Reentrancy in ERC777._burn(address,uint256,bytes,bytes) (ERC777.sol#403-427):
External calls:
- _callTokensToSend(operator,from,address(0),amount,data,operatorData) (ERC777.sol#413)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
State variables written after the call(s):
- _balances[from] = fromBalance - amount (ERC777.sol#421)
- _totalSupply -= amount (ERC777.sol#423)
Reentrancy in ERC777._send(address,address,uint256,bytes,bytes,bool) (ERC777.sol#376-394):
External calls:
- _callTokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#389)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
State variables written after the call(s):
- _move(operator,from,to,amount,userData,operatorData) (ERC777.sol#391)
- _balances[from] = fromBalance - amount (ERC777.sol#442)
- _balances[to] += amount (ERC777.sol#444)
Reentrancy in ERC777.transfer(address,uint256) (ERC777.sol#145-157):
External calls:
- _callTokensToSend(from,from,recipient,amount,,) (ERC777.sol#150)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
State variables written after the call(s):
- _move(from,from,recipient,amount,,) (ERC777.sol#152)
- _balances[from] = fromBalance - amount (ERC777.sol#442)
- _balances[to] += amount (ERC777.sol#444)
Reentrancy in ERC777.transferFrom(address,address,uint256) (ERC777.sol#277-298):
External calls:
- _callTokensToSend(spender,holder,recipient,amount,,) (ERC777.sol#287)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
State variables written after the call(s):
- _approve(holder,spender,currentAllowance - amount) (ERC777.sol#293)
- _allowances[holder][spender] = value (ERC777.sol#463)
- _move(spender,holder,recipient,amount,,) (ERC777.sol#289)
- _balances[from] = fromBalance - amount (ERC777.sol#442)
- _balances[to] += amount (ERC777.sol#444)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in ERC777._burn(address,uint256,bytes,bytes) (ERC777.sol#403-427):
External calls:
- _callTokensToSend(operator,from,address(0),amount,data,operatorData) (ERC777.sol#413)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
Event emitted after the call(s):
- Burned(operator,from,amount,data,operatorData) (ERC777.sol#425)
- Transfer(from,address(0),amount) (ERC777.sol#426)
Reentrancy in ERC777._mint(address,uint256,bytes,bytes,bool) (ERC777.sol#344-365):
External calls:
- _callTokensReceived(operator,address(0),account,amount,userData,operatorData,requireReceptionAck) (ERC777.sol#361)
- IERC777Recipient(implementer).tokensReceived(operator,from,to,amount,userData,operatorData) (ERC777.sol#512)
Event emitted after the call(s):
- Minted(operator,account,amount,userData,operatorData) (ERC777.sol#363)
- Transfer(address(0),account,amount) (ERC777.sol#364)
Reentrancy in ERC777._send(address,address,uint256,bytes,bytes,bool) (ERC777.sol#376-394):
External calls:
- _callTokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#389)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
Event emitted after the call(s):
- Sent(operator,from,to,amount,userData,operatorData) (ERC777.sol#446)
- _move(operator,from,to,amount,userData,operatorData) (ERC777.sol#391)
- Transfer(from,to,amount) (ERC777.sol#447)
- _move(operator,from,to,amount,userData,operatorData) (ERC777.sol#391)
Reentrancy in MVPToken.constructor(uint256,address[]) (MVPToken.sol#6-10):
External calls:
- _mint(msg.sender,initialSupply,,) (MVPToken.sol#9)
- IERC777Recipient(implementer).tokensReceived(operator,from,to,amount,userData,operatorData) (ERC777.sol#512)
- ERC777(Microverse,MVP,defaultOperators) (MVPToken.sol#7)
- _ERC1820_REGISTRY.setInterfaceImplementer(address(this),keccak256(bytes)(ERC777Token),address(this)) (ERC777.sol#73)
- _ERC1820_REGISTRY.setInterfaceImplementer(address(this),keccak256(bytes)(ERC20Token),address(this)) (ERC777.sol#74)
Event emitted after the call(s):
- Minted(operator,account,amount,userData,operatorData) (ERC777.sol#363)
- _mint(msg.sender,initialSupply,,) (MVPToken.sol#9)
- Transfer(address(0),account,amount) (ERC777.sol#364)
- _mint(msg.sender,initialSupply,,) (MVPToken.sol#9)
Reentrancy in ERC777.transfer(address,uint256) (ERC777.sol#145-157):
External calls:
- _callTokensToSend(from,from,recipient,amount,,) (ERC777.sol#150)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
Event emitted after the call(s):
- Sent(operator,from,to,amount,userData,operatorData) (ERC777.sol#446)
- _move(from,from,recipient,amount,,) (ERC777.sol#152)
- Transfer(from,to,amount) (ERC777.sol#447)
- _move(from,from,recipient,amount,,) (ERC777.sol#152)
Reentrancy in ERC777.transferFrom(address,address,uint256) (ERC777.sol#277-298):
External calls:
- _callTokensToSend(spender,holder,recipient,amount,,) (ERC777.sol#287)
- IERC777Sender(implementer).tokensToSend(operator,from,to,amount,userData,operatorData) (ERC777.sol#486)
Event emitted after the call(s):
- Approval(holder,spender,value) (ERC777.sol#464)
- _approve(holder,spender,currentAllowance - amount) (ERC777.sol#293)
- Sent(operator,from,to,amount,userData,operatorData) (ERC777.sol#446)
- _move(spender,holder,recipient,amount,,) (ERC777.sol#289)
- Transfer(from,to,amount) (ERC777.sol#447)
- _move(spender,holder,recipient,amount,,) (ERC777.sol#289)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (Address.sol#26-36) uses assembly
- INLINE ASM (Address.sol#32-34)
Address.verifyCallResult(bool,bytes,string) (Address.sol#195-215) uses assembly
- INLINE ASM (Address.sol#207-210)
Do not use evm assembly.

Additional information: link

Address.functionCall(address,bytes) (Address.sol#79-81) is never used and should be removed
Address.functionCall(address,bytes,string) (Address.sol#89-95) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (Address.sol#108-114) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (Address.sol#122-133) is never used and should be removed
Address.functionDelegateCall(address,bytes) (Address.sol#168-170) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (Address.sol#178-187) is never used and should be removed
Address.functionStaticCall(address,bytes) (Address.sol#141-143) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (Address.sol#151-160) is never used and should be removed
Address.sendValue(address,uint256) (Address.sol#54-59) is never used and should be removed
Address.verifyCallResult(bool,bytes,string) (Address.sol#195-215) is never used and should be removed
Context._msgData() (Context.sol#20-22) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (Address.sol#3) allows old versions
Pragma version^0.8.0 (Context.sol#3) allows old versions
Pragma version^0.8.0 (ERC777.sol#3) allows old versions
Pragma version^0.8.0 (IERC1820Registry.sol#3) allows old versions
Pragma version^0.8.0 (IERC20.sol#3) allows old versions
Pragma version^0.8.0 (IERC777.sol#3) allows old versions
Pragma version^0.8.0 (IERC777Recipient.sol#3) allows old versions
Pragma version^0.8.0 (IERC777Sender.sol#3) allows old versions
Pragma version^0.8.0 (MVPToken.sol#1) allows old versions
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) (Address.sol#54-59):
- (success) = recipient.call{value: amount}() (Address.sol#57)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (Address.sol#122-133):
- (success,returndata) = target.call{value: value}(data) (Address.sol#131)
Low level call in Address.functionStaticCall(address,bytes,string) (Address.sol#151-160):
- (success,returndata) = target.staticcall(data) (Address.sol#158)
Low level call in Address.functionDelegateCall(address,bytes,string) (Address.sol#178-187):
- (success,returndata) = target.delegatecall(data) (Address.sol#185)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable ERC777._defaultOperators (ERC777.sol#47) is too similar to ERC777.constructor(string,string,address[]).defaultOperators_ (ERC777.sol#62)
Prevent variables from having similar names.

Additional information: link

name() should be declared external:
- ERC777.name() (ERC777.sol#80-82)
symbol() should be declared external:
- ERC777.symbol() (ERC777.sol#87-89)
decimals() should be declared external:
- ERC777.decimals() (ERC777.sol#97-99)
granularity() should be declared external:
- ERC777.granularity() (ERC777.sol#106-108)
totalSupply() should be declared external:
- ERC777.totalSupply() (ERC777.sol#113-115)
balanceOf(address) should be declared external:
- ERC777.balanceOf(address) (ERC777.sol#120-122)
send(address,uint256,bytes) should be declared external:
- ERC777.send(address,uint256,bytes) (ERC777.sol#129-135)
transfer(address,uint256) should be declared external:
- ERC777.transfer(address,uint256) (ERC777.sol#145-157)
burn(uint256,bytes) should be declared external:
- ERC777.burn(uint256,bytes) (ERC777.sol#164-166)
authorizeOperator(address) should be declared external:
- ERC777.authorizeOperator(address) (ERC777.sol#181-191)
revokeOperator(address) should be declared external:
- ERC777.revokeOperator(address) (ERC777.sol#196-206)
defaultOperators() should be declared external:
- ERC777.defaultOperators() (ERC777.sol#211-213)
operatorSend(address,address,uint256,bytes,bytes) should be declared external:
- ERC777.operatorSend(address,address,uint256,bytes,bytes) (ERC777.sol#220-229)
operatorBurn(address,uint256,bytes,bytes) should be declared external:
- ERC777.operatorBurn(address,uint256,bytes,bytes) (ERC777.sol#236-244)
allowance(address,address) should be declared external:
- ERC777.allowance(address,address) (ERC777.sol#253-255)
approve(address,uint256) should be declared external:
- ERC777.approve(address,uint256) (ERC777.sol#262-266)
transferFrom(address,address,uint256) should be declared external:
- ERC777.transferFrom(address,address,uint256) (ERC777.sol#277-298)
Use the external attribute for functions never called from the contract.

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.


Token is deployed only at one blockchain


Unable to find Blog account (Reddit or Medium)


Unable to find token on CoinGecko

Additional information: link


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


Token is not listed at Mobula.Finance

Additional information: link


Token has no active CoinGecko listing / rank


Young tokens have high risks of price dump / death


Token has relatively low CoinMarketCap rank


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death

Price for MVP

News for MVP