false
false
The Sokol Testnet is currently lacking validators. Please consider using Goerli or Mumbai for testing purposes.

Contract Address Details
contract
token

0x2E422C7fb2b5149A28d2c408f830504b873f14B1

Token
Wrapped POA (WPOA)
Creator
0x4bea7e–99572c at 0x177aab–bb8503
Balance
347.118370889804993889 SPOA
Tokens
Fetching tokens...
Transactions
15 Transactions
Transfers
0 Transfers
Gas Used
626,278
Last Balance Update
27655400
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
Contract name:
WPOA




Optimization enabled
true
Compiler version
v0.5.17+commit.d19bba13




Optimization runs
200
EVM Version
istanbul




Verified at
2020-09-16T14:02:50.449768Z

Contract source code

Sol2uml
new
 
pragma solidity >=0.5.0;

contract WPOA {
    string public name     = "Wrapped POA";
    string public symbol   = "WPOA";
    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() payable external {
        deposit();
    }
    function deposit() public payable {
        balanceOf[msg.sender] += msg.value;
        emit Deposit(msg.sender, msg.value);
    }
    function withdraw(uint wad) public {
        require(balanceOf[msg.sender] >= wad);
        balanceOf[msg.sender] -= wad;
        msg.sender.transfer(wad);
        emit Withdrawal(msg.sender, wad);
    }

    function totalSupply() public view returns (uint) {
        return address(this).balance;
    }

    function approve(address guy, uint wad) public returns (bool) {
        allowance[msg.sender][guy] = wad;
        emit 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;

        emit Transfer(src, dst, wad);

        return true;
    }
}

Contract ABI

[{"type":"event","name":"Approval","inputs":[{"type":"address","name":"src","internalType":"address","indexed":true},{"type":"address","name":"guy","internalType":"address","indexed":true},{"type":"uint256","name":"wad","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Deposit","inputs":[{"type":"address","name":"dst","internalType":"address","indexed":true},{"type":"uint256","name":"wad","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Transfer","inputs":[{"type":"address","name":"src","internalType":"address","indexed":true},{"type":"address","name":"dst","internalType":"address","indexed":true},{"type":"uint256","name":"wad","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Withdrawal","inputs":[{"type":"address","name":"src","internalType":"address","indexed":true},{"type":"uint256","name":"wad","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"fallback","stateMutability":"payable","payable":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"allowance","inputs":[{"type":"address","name":"","internalType":"address"},{"type":"address","name":"","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"approve","inputs":[{"type":"address","name":"guy","internalType":"address"},{"type":"uint256","name":"wad","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"balanceOf","inputs":[{"type":"address","name":"","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint8","name":"","internalType":"uint8"}],"name":"decimals","inputs":[],"constant":true},{"type":"function","stateMutability":"payable","payable":true,"outputs":[],"name":"deposit","inputs":[],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":"","internalType":"string"}],"name":"name","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":"","internalType":"string"}],"name":"symbol","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"totalSupply","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transfer","inputs":[{"type":"address","name":"dst","internalType":"address"},{"type":"uint256","name":"wad","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transferFrom","inputs":[{"type":"address","name":"src","internalType":"address"},{"type":"address","name":"dst","internalType":"address"},{"type":"uint256","name":"wad","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"withdraw","inputs":[{"type":"uint256","name":"wad","internalType":"uint256"}],"constant":false}]

Contract Creation Code

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

Deployed ByteCode

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