Feature Tip: Add private address tag to any address under My Name Tag !
Overview
Max Total Supply
3,909.665272136278588246 yETH
Holders
44 (0.00%)
Market
Price
$2,626.41 @ 0.995669 ETH (+1.76%)
Onchain Market Cap
$10,268,383.97
Circulating Supply Market Cap
$0.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
445.016231902110774453 yETHValue
$1,168,795.08 ( ~443.0887 Eth) [11.3825%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Source Code Verified (Exact Match)
Contract Name:
yETH token
Compiler Version
vyper:0.3.7
Contract Source Code (Vyper language format)
# @version 0.3.7 """ @title yETH token @author 0xkorin, Yearn Finance @license Copyright (c) Yearn Finance, 2023 - all rights reserved """ from vyper.interfaces import ERC20 implements: ERC20 totalSupply: public(uint256) balanceOf: public(HashMap[address, uint256]) allowance: public(HashMap[address, HashMap[address, uint256]]) name: public(constant(String[11])) = "Yearn Ether" symbol: public(constant(String[4])) = "yETH" decimals: public(constant(uint8)) = 18 minters: public(HashMap[address, bool]) management: public(address) event Transfer: sender: indexed(address) receiver: indexed(address) value: uint256 event Approval: owner: indexed(address) spender: indexed(address) value: uint256 event SetManagement: account: indexed(address) event SetMinter: account: indexed(address) minter: bool @external def __init__(): self.management = msg.sender log Transfer(empty(address), msg.sender, 0) @external def transfer(_to: address, _value: uint256) -> bool: """ @notice Transfers `_value` tokens from the caller's address to `_to` @param _to The address shares are being transferred to. Must not be this contract's address, must not be 0x0 @param _value The quantity of tokens to transfer @return True """ assert _to != empty(address) and _to != self 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: """ @notice Transfers `_value` tokens from `_from` to `_to`. Transfering tokens will decrement the caller's `allowance` by `_value` @param _from The address tokens are being transferred from @param _to The address tokens are being transferred to. Must not be this contract's address, must not be 0x0 @param _value The quantity of tokens to transfer @return True """ assert _to != empty(address) and _to != self self.allowance[_from][msg.sender] -= _value self.balanceOf[_from] -= _value self.balanceOf[_to] += _value log Transfer(_from, _to, _value) return True @external def approve(_spender: address, _value: uint256) -> bool: """ @notice 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. See 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 @return True """ assert _spender != empty(address) self.allowance[msg.sender][_spender] = _value log Approval(msg.sender, _spender, _value) return True @external def increaseAllowance(_spender: address, _value: uint256) -> bool: """ @notice Increase the allowance of the passed address to spend the total amount of tokens on behalf of `msg.sender`. This method mitigates the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. See 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 increase the allowance by @return True """ assert _spender != empty(address) allowance: uint256 = self.allowance[msg.sender][_spender] + _value self.allowance[msg.sender][_spender] = allowance log Approval(msg.sender, _spender, allowance) return True @external def decreaseAllowance(_spender: address, _value: uint256) -> bool: """ @notice Decrease the allowance of the passed address to spend the total amount of tokens on behalf of `msg.sender`. This method mitigates the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. See 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 decrease the allowance by @return True """ assert _spender != empty(address) allowance: uint256 = self.allowance[msg.sender][_spender] if _value > allowance: allowance = 0 else: allowance -= _value self.allowance[msg.sender][_spender] = allowance log Approval(msg.sender, _spender, allowance) return True @external def set_management(_management: address): """ @notice Set new management address """ assert msg.sender == self.management self.management = _management log SetManagement(_management) @external def set_minter(_account: address, _minter: bool = True): """ @notice Grant or revoke mint and burn powers to an account @param _account The account to change mint/burn powers of @param _minter Flag whether or not to allow minting/burning """ assert msg.sender == self.management self.minters[_account] = _minter log SetMinter(_account, _minter) @external def mint(_account: address, _value: uint256): """ @notice Mint `_value` tokens to `_account` @param _account The account to mint tokens to @param _value Amount of tokens to mint """ assert self.minters[msg.sender] self.totalSupply += _value self.balanceOf[_account] += _value log Transfer(empty(address), _account, _value) @external def burn(_account: address, _value: uint256): """ @notice Burn `_value` tokens from `_account` @param _account The account to burn tokens from @param _value Amount of tokens to burn """ assert self.minters[msg.sender] self.totalSupply -= _value self.balanceOf[_account] -= _value log Transfer(_account, empty(address), _value)
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"name":"Transfer","inputs":[{"name":"sender","type":"address","indexed":true},{"name":"receiver","type":"address","indexed":true},{"name":"value","type":"uint256","indexed":false}],"anonymous":false,"type":"event"},{"name":"Approval","inputs":[{"name":"owner","type":"address","indexed":true},{"name":"spender","type":"address","indexed":true},{"name":"value","type":"uint256","indexed":false}],"anonymous":false,"type":"event"},{"name":"SetManagement","inputs":[{"name":"account","type":"address","indexed":true}],"anonymous":false,"type":"event"},{"name":"SetMinter","inputs":[{"name":"account","type":"address","indexed":true},{"name":"minter","type":"bool","indexed":false}],"anonymous":false,"type":"event"},{"stateMutability":"nonpayable","type":"constructor","inputs":[],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"transfer","inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"nonpayable","type":"function","name":"transferFrom","inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"nonpayable","type":"function","name":"approve","inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"nonpayable","type":"function","name":"increaseAllowance","inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"nonpayable","type":"function","name":"decreaseAllowance","inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"nonpayable","type":"function","name":"set_management","inputs":[{"name":"_management","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_minter","inputs":[{"name":"_account","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_minter","inputs":[{"name":"_account","type":"address"},{"name":"_minter","type":"bool"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"mint","inputs":[{"name":"_account","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"burn","inputs":[{"name":"_account","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[]},{"stateMutability":"view","type":"function","name":"totalSupply","inputs":[],"outputs":[{"name":"","type":"uint256"}]},{"stateMutability":"view","type":"function","name":"balanceOf","inputs":[{"name":"arg0","type":"address"}],"outputs":[{"name":"","type":"uint256"}]},{"stateMutability":"view","type":"function","name":"allowance","inputs":[{"name":"arg0","type":"address"},{"name":"arg1","type":"address"}],"outputs":[{"name":"","type":"uint256"}]},{"stateMutability":"view","type":"function","name":"name","inputs":[],"outputs":[{"name":"","type":"string"}]},{"stateMutability":"view","type":"function","name":"symbol","inputs":[],"outputs":[{"name":"","type":"string"}]},{"stateMutability":"view","type":"function","name":"decimals","inputs":[],"outputs":[{"name":"","type":"uint8"}]},{"stateMutability":"view","type":"function","name":"minters","inputs":[{"name":"arg0","type":"address"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"view","type":"function","name":"management","inputs":[],"outputs":[{"name":"","type":"address"}]}]
Contract Creation Code
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Deployed Bytecode
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