Overview
Max Total Supply
142.527926800487782741 crvRenWSBTC
Holders
393 (0.00%)
Market
Price
$62,301.00 @ 23.689529 ETH (+3.25%)
Onchain Market Cap
$8,879,632.37
Circulating Supply Market Cap
$0.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000092493310144538 crvRenWSBTCValue
$5.76 ( ~0.00219020058749015 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0x9fC689CC...6664a1F23 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
Vyper_contract
Compiler Version
vyper:0.1.0b16
Contract Source Code (Vyper language format)
# https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md from vyper.interfaces import ERC20 implements: ERC20 Transfer: event({_from: indexed(address), _to: indexed(address), _value: uint256}) Approval: event({_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(map(address, uint256)) allowances: map(address, map(address, uint256)) total_supply: uint256 minter: address @public 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) @public def set_minter(_minter: address): assert msg.sender == self.minter self.minter = _minter @public @constant def totalSupply() -> uint256: """ @dev Total number of tokens in existence. """ return self.total_supply @public @constant 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] @public 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 @public def transferFrom(_from : address, _to : address, _value : uint256) -> bool: """ @dev Transfer tokens from one address to another. Note that while this function emits a Transfer event, this is not required as per the specification, and other compliant implementations may not emit the event. @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 # NOTE: vyper does not allow underflows # so the following subtraction would revert on insufficient allowance self.allowances[_from][msg.sender] -= _value log.Transfer(_from, _to, _value) return True @public 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 @public def mint(_to: address, _value: uint256): """ @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) @private def _burn(_to: address, _value: uint256): """ @dev Internal function that burns an amount of the token of a given account. @param _to The account whose tokens will be burned. @param _value The amount that will be burned. """ assert _to != ZERO_ADDRESS self.total_supply -= _value self.balanceOf[_to] -= _value log.Transfer(_to, ZERO_ADDRESS, _value) @public def burn(_value: uint256): """ @dev Burn an amount of the token of msg.sender. @param _value The amount that will be burned. """ assert msg.sender == self.minter, "Only minter is allowed to burn" self._burn(msg.sender, _value) @public def burnFrom(_to: address, _value: uint256): """ @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, "Only minter is allowed to burn" self._burn(_to, _value)
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"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"}],"constant":false,"payable":false,"type":"constructor"},{"name":"set_minter","outputs":[],"inputs":[{"type":"address","name":"_minter"}],"constant":false,"payable":false,"type":"function","gas":36247},{"name":"totalSupply","outputs":[{"type":"uint256","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":1181},{"name":"allowance","outputs":[{"type":"uint256","name":"out"}],"inputs":[{"type":"address","name":"_owner"},{"type":"address","name":"_spender"}],"constant":true,"payable":false,"type":"function","gas":1519},{"name":"transfer","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":74802},{"name":"transferFrom","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_from"},{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":111953},{"name":"approve","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"_spender"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":39012},{"name":"mint","outputs":[],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":75733},{"name":"burn","outputs":[],"inputs":[{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":76623},{"name":"burnFrom","outputs":[],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"constant":false,"payable":false,"type":"function","gas":76696},{"name":"name","outputs":[{"type":"string","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":7853},{"name":"symbol","outputs":[{"type":"string","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":6906},{"name":"decimals","outputs":[{"type":"uint256","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":1511},{"name":"balanceOf","outputs":[{"type":"uint256","name":"out"}],"inputs":[{"type":"address","name":"arg0"}],"constant":true,"payable":false,"type":"function","gas":1695}]
Contract Creation Code
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Deployed Bytecode
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