POL Price: $0.37828 (+0.54%)
 

Overview

POL Balance

Polygon PoS Chain LogoPolygon PoS Chain LogoPolygon PoS Chain Logo0 POL

POL Value

$0.00

Token Holdings

Multichain Info

Transaction Hash
Method
Block
From
To
Transfer616448912024-09-10 7:02:3349 secs ago1725951753IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer616448812024-09-10 7:02:131 min ago1725951733IN
AnkoCoin: ANKO Token
0 POL0.002009850
Transfer616448612024-09-10 7:01:291 min ago1725951689IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer616404382024-09-10 4:24:292 hrs ago1725942269IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer616230702024-09-09 17:59:5713 hrs ago1725904797IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer616221932024-09-09 17:28:2313 hrs ago1725902903IN
AnkoCoin: ANKO Token
0 POL0.0010641730.02419875
Transfer616221592024-09-09 17:27:0913 hrs ago1725902829IN
AnkoCoin: ANKO Token
0 POL0.0016506331.41438999
Transfer616177782024-09-09 14:50:1716 hrs ago1725893417IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer616177532024-09-09 14:49:2316 hrs ago1725893363IN
AnkoCoin: ANKO Token
0 POL0.002009850
Transfer616177402024-09-09 14:48:5516 hrs ago1725893335IN
AnkoCoin: ANKO Token
0 POL0.002010450
Approve616109022024-09-09 10:43:3120 hrs ago1725878611IN
AnkoCoin: ANKO Token
0 POL0.0033728664.77316633
Approve616046802024-09-09 6:59:5024 hrs ago1725865190IN
AnkoCoin: ANKO Token
0 POL0.003905475
Approve615990542024-09-09 3:40:2327 hrs ago1725853223IN
AnkoCoin: ANKO Token
0 POL0.0015621630.00000002
Approve615924812024-09-08 23:47:3531 hrs ago1725839255IN
AnkoCoin: ANKO Token
0 POL0.0015621630.00000002
Transfer615922252024-09-08 23:38:3131 hrs ago1725838711IN
AnkoCoin: ANKO Token
0 POL0.001062630.00000002
Transfer615742502024-09-08 13:00:2042 hrs ago1725800420IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer615742382024-09-08 12:59:5442 hrs ago1725800394IN
AnkoCoin: ANKO Token
0 POL0.002009850
Transfer615742252024-09-08 12:59:2842 hrs ago1725800368IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer615737022024-09-08 12:39:1942 hrs ago1725799159IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer615682252024-09-08 9:15:3645 hrs ago1725786936IN
AnkoCoin: ANKO Token
0 POL0.0017199630.00000211
Transfer615619762024-09-08 5:33:532 days ago1725773633IN
AnkoCoin: ANKO Token
0 POL0.0014755441.64433335
Approve615580702024-09-08 3:13:142 days ago1725765194IN
AnkoCoin: ANKO Token
0 POL0.003905475
Approve615566432024-09-08 2:22:422 days ago1725762162IN
AnkoCoin: ANKO Token
0 POL0.0015621630.00000002
Transfer615318022024-09-07 11:28:352 days ago1725708515IN
AnkoCoin: ANKO Token
0 POL0.002010450
Transfer615317882024-09-07 11:28:052 days ago1725708485IN
AnkoCoin: ANKO Token
0 POL0.002009850
View all transactions

Latest 1 internal transaction

Parent Transaction Hash Block From To
564771742024-05-02 1:20:52131 days ago1714612852
AnkoCoin: ANKO Token
0.22174 POL
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x7d3fA4bA...a97bBF313
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
UChildERC20Proxy

Compiler Version
v0.6.6+commit.6c089d02

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at polygonscan.com on 2021-06-09
*/

// File: contracts/common/Proxy/IERCProxy.sol

pragma solidity 0.6.6;

interface IERCProxy {
    function proxyType() external pure returns (uint256 proxyTypeId);

    function implementation() external view returns (address codeAddr);
}

// File: contracts/common/Proxy/Proxy.sol

pragma solidity 0.6.6;


abstract contract Proxy is IERCProxy {
    function delegatedFwd(address _dst, bytes memory _calldata) internal {
        // solium-disable-next-line security/no-inline-assembly
        assembly {
            let result := delegatecall(
                sub(gas(), 10000),
                _dst,
                add(_calldata, 0x20),
                mload(_calldata),
                0,
                0
            )
            let size := returndatasize()

            let ptr := mload(0x40)
            returndatacopy(ptr, 0, size)

            // revert instead of invalid() bc if the underlying call failed with invalid() it already wasted gas.
            // if the call returned error data, forward it
            switch result
                case 0 {
                    revert(ptr, size)
                }
                default {
                    return(ptr, size)
                }
        }
    }

    function proxyType() external virtual override pure returns (uint256 proxyTypeId) {
        // Upgradeable proxy
        proxyTypeId = 2;
    }

    function implementation() external virtual override view returns (address);
}

// File: contracts/common/Proxy/UpgradableProxy.sol

pragma solidity 0.6.6;


contract UpgradableProxy is Proxy {
    event ProxyUpdated(address indexed _new, address indexed _old);
    event ProxyOwnerUpdate(address _new, address _old);

    bytes32 constant IMPLEMENTATION_SLOT = keccak256("matic.network.proxy.implementation");
    bytes32 constant OWNER_SLOT = keccak256("matic.network.proxy.owner");

    constructor(address _proxyTo) public {
        setProxyOwner(msg.sender);
        setImplementation(_proxyTo);
    }

    fallback() external payable {
        delegatedFwd(loadImplementation(), msg.data);
    }

    receive() external payable {
        delegatedFwd(loadImplementation(), msg.data);
    }

    modifier onlyProxyOwner() {
        require(loadProxyOwner() == msg.sender, "NOT_OWNER");
        _;
    }

    function proxyOwner() external view returns(address) {
        return loadProxyOwner();
    }

    function loadProxyOwner() internal view returns(address) {
        address _owner;
        bytes32 position = OWNER_SLOT;
        assembly {
            _owner := sload(position)
        }
        return _owner;
    }

    function implementation() external override view returns (address) {
        return loadImplementation();
    }

    function loadImplementation() internal view returns(address) {
        address _impl;
        bytes32 position = IMPLEMENTATION_SLOT;
        assembly {
            _impl := sload(position)
        }
        return _impl;
    }

    function transferProxyOwnership(address newOwner) public onlyProxyOwner {
        require(newOwner != address(0), "ZERO_ADDRESS");
        emit ProxyOwnerUpdate(newOwner, loadProxyOwner());
        setProxyOwner(newOwner);
    }

    function setProxyOwner(address newOwner) private {
        bytes32 position = OWNER_SLOT;
        assembly {
            sstore(position, newOwner)
        }
    }

    function updateImplementation(address _newProxyTo) public onlyProxyOwner {
        require(_newProxyTo != address(0x0), "INVALID_PROXY_ADDRESS");
        require(isContract(_newProxyTo), "DESTINATION_ADDRESS_IS_NOT_A_CONTRACT");

        emit ProxyUpdated(_newProxyTo, loadImplementation());
        
        setImplementation(_newProxyTo);
    }

    function updateAndCall(address _newProxyTo, bytes memory data) payable public onlyProxyOwner {
        updateImplementation(_newProxyTo);

        (bool success, bytes memory returnData) = address(this).call{value: msg.value}(data);
        require(success, string(returnData));
    }

    function setImplementation(address _newProxyTo) private {
        bytes32 position = IMPLEMENTATION_SLOT;
        assembly {
            sstore(position, _newProxyTo)
        }
    }
    
    function isContract(address _target) internal view returns (bool) {
        if (_target == address(0)) {
            return false;
        }

        uint256 size;
        assembly {
            size := extcodesize(_target)
        }
        return size > 0;
    }
}

// File: contracts/child/ChildToken/UpgradeableChildERC20/UChildERC20Proxy.sol

pragma solidity 0.6.6;


contract UChildERC20Proxy is UpgradableProxy {
    constructor(address _proxyTo)
        public
        UpgradableProxy(_proxyTo)
    {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_proxyTo","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_new","type":"address"},{"indexed":false,"internalType":"address","name":"_old","type":"address"}],"name":"ProxyOwnerUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_new","type":"address"},{"indexed":true,"internalType":"address","name":"_old","type":"address"}],"name":"ProxyUpdated","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxyOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxyType","outputs":[{"internalType":"uint256","name":"proxyTypeId","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newProxyTo","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"updateAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_newProxyTo","type":"address"}],"name":"updateImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

ipfs://41ef759422fabf085e8197d08185f4d0cdb3a0ab3423629d2271c1c06c720f06

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OVERVIEW

ANKO is a decentralized public community. We challenge new projects using blockchain and share the results. Ultimately, ANKO seeks to have fun in the process.

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