Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
- Contract name:
- WETH9
- Optimization enabled
- true
- Compiler version
- v0.4.18+commit.9cf6e910
- Optimization runs
- 200
- EVM Version
- default
- Verified at
- 2024-05-24T14:10:50.529705Z
contracts/tokens/WH1.sol
// Copyright (C) 2015, 2016, 2017 Dapphub
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
pragma solidity ^0.4.18;
contract WETH9 {
string public name = "Wrapped H1";
string public symbol = "WH1";
uint8 public decimals = 18;
event Approval(address indexed src, address indexed guy, uint wad);
event Transfer(address indexed src, address indexed dst, uint wad);
event Deposit(address indexed dst, uint wad);
event Withdrawal(address indexed src, uint wad);
mapping(address => uint) public balanceOf;
mapping(address => mapping(address => uint)) public allowance;
function() public payable {
deposit();
}
function deposit() public payable {
balanceOf[msg.sender] += msg.value;
Deposit(msg.sender, msg.value);
}
function withdraw(uint wad) public {
require(balanceOf[msg.sender] >= wad);
balanceOf[msg.sender] -= wad;
msg.sender.transfer(wad);
Withdrawal(msg.sender, wad);
}
function totalSupply() public view returns (uint) {
return this.balance;
}
function approve(address guy, uint wad) public returns (bool) {
allowance[msg.sender][guy] = wad;
Approval(msg.sender, guy, wad);
return true;
}
function transfer(address dst, uint wad) public returns (bool) {
return transferFrom(msg.sender, dst, wad);
}
function transferFrom(
address src,
address dst,
uint wad
) public returns (bool) {
require(balanceOf[src] >= wad);
if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {
require(allowance[src][msg.sender] >= wad);
allowance[src][msg.sender] -= wad;
}
balanceOf[src] -= wad;
balanceOf[dst] += wad;
Transfer(src, dst, wad);
return true;
}
}
Compiler Settings
{"outputSelection":{"*":{"*":["*"],"":["*"]}},"optimizer":{"runs":200,"enabled":true},"libraries":{}}
Contract ABI
[{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":""}],"name":"name","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"approve","inputs":[{"type":"address","name":"guy"},{"type":"uint256","name":"wad"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"totalSupply","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"transferFrom","inputs":[{"type":"address","name":"src"},{"type":"address","name":"dst"},{"type":"uint256","name":"wad"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"withdraw","inputs":[{"type":"uint256","name":"wad"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint8","name":""}],"name":"decimals","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"balanceOf","inputs":[{"type":"address","name":""}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":""}],"name":"symbol","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"transfer","inputs":[{"type":"address","name":"dst"},{"type":"uint256","name":"wad"}],"constant":false},{"type":"function","stateMutability":"payable","payable":true,"outputs":[],"name":"deposit","inputs":[],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"allowance","inputs":[{"type":"address","name":""},{"type":"address","name":""}],"constant":true},{"type":"fallback","stateMutability":"payable","payable":true},{"type":"event","name":"Approval","inputs":[{"type":"address","name":"src","indexed":true},{"type":"address","name":"guy","indexed":true},{"type":"uint256","name":"wad","indexed":false}],"anonymous":false},{"type":"event","name":"Transfer","inputs":[{"type":"address","name":"src","indexed":true},{"type":"address","name":"dst","indexed":true},{"type":"uint256","name":"wad","indexed":false}],"anonymous":false},{"type":"event","name":"Deposit","inputs":[{"type":"address","name":"dst","indexed":true},{"type":"uint256","name":"wad","indexed":false}],"anonymous":false},{"type":"event","name":"Withdrawal","inputs":[{"type":"address","name":"src","indexed":true},{"type":"uint256","name":"wad","indexed":false}],"anonymous":false}]
Contract Creation Code
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