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November 11, 2022 09:55
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| pragma solidity ^0.4.18; | |
| contract WCIC { | |
| string public name = "Wrapped CIC"; | |
| string public symbol = "WCIC"; | |
| 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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