Token Curve.fi MUSD/3Crv

 

Overview [ERC-20]

Max Total Supply:
43,961,520.088249707403334898 musd3CRV

Holders:
25 (0.00%)

Transfers:
-

Loading
[ Download CSV Export  ] 
Loading
[ Download CSV Export  ] 
Loading

Click here to update the token information / general information
# Exchange Pair Price  24H Volume % Volume
Loading

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x1337BedC9D22ecbe766dF105c9623922A27963EC

Contract Name:
Vyper_contract

Compiler Version
vyper:0.2.5

Optimization Enabled:
N/A

Other Settings:
None license

Contract Source Code (Vyper language format)

# @version ^0.2.0
"""
@title Curve LP Token
@author Curve.Fi
@notice Base implementation for an LP token provided for
        supplying liquidity to `StableSwap`
@dev Follows the ERC-20 token standard as defined at
     https://eips.ethereum.org/EIPS/eip-20
"""

from vyper.interfaces import ERC20

implements: ERC20

interface Curve:
    def owner() -> address: view


event Transfer:
    _from: indexed(address)
    _to: indexed(address)
    _value: uint256

event Approval:
    _owner: indexed(address)
    _spender: indexed(address)
    _value: uint256


name: public(String[64])
symbol: public(String[32])
decimals: public(uint256)

# NOTE: By declaring `balanceOf` as public, vyper automatically generates a 'balanceOf()' getter
#       method to allow access to account balances.
#       The _KeyType will become a required parameter for the getter and it will return _ValueType.
#       See: https://vyper.readthedocs.io/en/v0.1.0-beta.8/types.html?highlight=getter#mappings
balanceOf: public(HashMap[address, uint256])
allowances: HashMap[address, HashMap[address, uint256]]
total_supply: uint256
minter: address


@external
def __init__(_name: String[64], _symbol: String[32], _decimals: uint256, _supply: uint256):
    init_supply: uint256 = _supply * 10 ** _decimals
    self.name = _name
    self.symbol = _symbol
    self.decimals = _decimals
    self.balanceOf[msg.sender] = init_supply
    self.total_supply = init_supply
    self.minter = msg.sender
    log Transfer(ZERO_ADDRESS, msg.sender, init_supply)


@external
def set_minter(_minter: address):
    assert msg.sender == self.minter
    self.minter = _minter


@external
def set_name(_name: String[64], _symbol: String[32]):
    assert Curve(self.minter).owner() == msg.sender
    self.name = _name
    self.symbol = _symbol


@view
@external
def totalSupply() -> uint256:
    """
    @dev Total number of tokens in existence.
    """
    return self.total_supply


@view
@external
def allowance(_owner : address, _spender : address) -> uint256:
    """
    @dev Function to check the amount of tokens that an owner allowed to a spender.
    @param _owner The address which owns the funds.
    @param _spender The address which will spend the funds.
    @return An uint256 specifying the amount of tokens still available for the spender.
    """
    return self.allowances[_owner][_spender]


@external
def transfer(_to : address, _value : uint256) -> bool:
    """
    @dev Transfer token for a specified address
    @param _to The address to transfer to.
    @param _value The amount to be transferred.
    """
    # NOTE: vyper does not allow underflows
    #       so the following subtraction would revert on insufficient balance
    self.balanceOf[msg.sender] -= _value
    self.balanceOf[_to] += _value
    log Transfer(msg.sender, _to, _value)
    return True


@external
def transferFrom(_from : address, _to : address, _value : uint256) -> bool:
    """
     @dev Transfer tokens from one address to another.
     @param _from address The address which you want to send tokens from
     @param _to address The address which you want to transfer to
     @param _value uint256 the amount of tokens to be transferred
    """
    # NOTE: vyper does not allow underflows
    #       so the following subtraction would revert on insufficient balance
    self.balanceOf[_from] -= _value
    self.balanceOf[_to] += _value
    if msg.sender != self.minter:  # minter is allowed to transfer anything
        _allowance: uint256 = self.allowances[_from][msg.sender]
        if _allowance != MAX_UINT256:
            # NOTE: vyper does not allow underflows
            # so the following subtraction would revert on insufficient allowance
            self.allowances[_from][msg.sender] = _allowance - _value
    log Transfer(_from, _to, _value)
    return True


@external
def approve(_spender : address, _value : uint256) -> bool:
    """
    @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
         Beware that changing an allowance with this method brings the risk that someone may use both the old
         and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
         race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
         https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    @param _spender The address which will spend the funds.
    @param _value The amount of tokens to be spent.
    """
    assert _value == 0 or self.allowances[msg.sender][_spender] == 0
    self.allowances[msg.sender][_spender] = _value
    log Approval(msg.sender, _spender, _value)
    return True


@external
def mint(_to: address, _value: uint256) -> bool:
    """
    @dev Mint an amount of the token and assigns it to an account.
         This encapsulates the modification of balances such that the
         proper events are emitted.
    @param _to The account that will receive the created tokens.
    @param _value The amount that will be created.
    """
    assert msg.sender == self.minter
    assert _to != ZERO_ADDRESS
    self.total_supply += _value
    self.balanceOf[_to] += _value
    log Transfer(ZERO_ADDRESS, _to, _value)
    return True


@external
def burnFrom(_to: address, _value: uint256) -> bool:
    """
    @dev Burn an amount of the token from a given account.
    @param _to The account whose tokens will be burned.
    @param _value The amount that will be burned.
    """
    assert msg.sender == self.minter
    assert _to != ZERO_ADDRESS

    self.total_supply -= _value
    self.balanceOf[_to] -= _value
    log Transfer(_to, ZERO_ADDRESS, _value)

    return True

Contract Security Audit

Contract ABI

[{"name":"Transfer","inputs":[{"type":"address","name":"_from","indexed":true},{"type":"address","name":"_to","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"name":"Approval","inputs":[{"type":"address","name":"_owner","indexed":true},{"type":"address","name":"_spender","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[{"type":"string","name":"_name"},{"type":"string","name":"_symbol"},{"type":"uint256","name":"_decimals"},{"type":"uint256","name":"_supply"}],"stateMutability":"nonpayable","type":"constructor"},{"name":"set_minter","outputs":[],"inputs":[{"type":"address","name":"_minter"}],"stateMutability":"nonpayable","type":"function","gas":36218},{"name":"set_name","outputs":[],"inputs":[{"type":"string","name":"_name"},{"type":"string","name":"_symbol"}],"stateMutability":"nonpayable","type":"function","gas":177979},{"name":"totalSupply","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1121},{"name":"allowance","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"_owner"},{"type":"address","name":"_spender"}],"stateMutability":"view","type":"function","gas":1581},{"name":"transfer","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":74803},{"name":"transferFrom","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_from"},{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":112302},{"name":"approve","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_spender"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":39049},{"name":"mint","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":75779},{"name":"burnFrom","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":75797},{"name":"name","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":7733},{"name":"symbol","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":6786},{"name":"decimals","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1391},{"name":"balanceOf","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"arg0"}],"stateMutability":"view","type":"function","gas":1636}]

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

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.