Contract Overview
Latest 21 from a total of 21 transactions
Contract Name:
WETH9
Compiler Version
v0.4.18+commit.9cf6e910
/** *Submitted for verification at Etherscan.io on 2023-09-07 */ /** *Submitted for verification at Etherscan.io on 2017-12-12 */ pragma solidity ^0.4.18; contract WETH9 { string public name = "Wrapped Ether"; string public symbol = "WETH"; 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; } }
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Contract Creation Code
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