POL Price: $0.310645 (-0.86%)
 

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Transaction Hash
Method
Block
From
To
Approve624174372024-09-29 10:59:38136 days ago1727607578IN
DxSale Network: SALE Token
0 POL0.0034263365.8
Approve624174372024-09-29 10:59:38136 days ago1727607578IN
DxSale Network: SALE Token
0 POL0.0035304867.8
Approve598133502024-07-26 1:39:16201 days ago1721957956IN
DxSale Network: SALE Token
0 POL0.00478259149.99999851
Approve598121132024-07-26 0:55:28201 days ago1721955328IN
DxSale Network: SALE Token
0 POL0.0047826150.00000003
Approve598115692024-07-26 0:36:11201 days ago1721954171IN
DxSale Network: SALE Token
0 POL0.0047826150.00000002
Approve598112982024-07-26 0:26:35201 days ago1721953595IN
DxSale Network: SALE Token
0 POL0.0047826150.00000003
Approve598050152024-07-25 20:41:22201 days ago1721940082IN
DxSale Network: SALE Token
0 POL0.0077676150.00000003
Approve581751692024-06-15 3:40:59242 days ago1718422859IN
DxSale Network: SALE Token
0 POL0.0015621630.00005318
Approve567379662024-05-08 21:57:52279 days ago1715205472IN
DxSale Network: SALE Token
0 POL0.0018646536.00000004
Approve548008422024-03-18 10:58:00331 days ago1710759480IN
DxSale Network: SALE Token
0 POL0.01236266237.41473356
Approve546844332024-03-15 10:40:28334 days ago1710499228IN
DxSale Network: SALE Token
0 POL0.00561856107.90001027
Transfer546843312024-03-15 10:36:50334 days ago1710499010IN
DxSale Network: SALE Token
0 POL0.00669402127.39847065
Approve546771352024-03-15 6:21:01334 days ago1710483661IN
DxSale Network: SALE Token
0 POL0.00560222108.20960647
Transfer545769872024-03-12 17:01:45336 days ago1710262905IN
DxSale Network: SALE Token
0 POL0.00642038122.1906688
Approve545532602024-03-12 2:32:14337 days ago1710210734IN
DxSale Network: SALE Token
0 POL0.0054325104.32685333
Withdraw545187072024-03-11 5:27:27338 days ago1710134847IN
DxSale Network: SALE Token
0 POL0.00417427119.71643237
Approve544643162024-03-09 20:22:05339 days ago1710015725IN
DxSale Network: SALE Token
0 POL0.00671966129.04563759
Approve544127382024-03-08 12:44:30341 days ago1709901870IN
DxSale Network: SALE Token
0 POL0.00523812100.59386257
Approve543689532024-03-07 10:14:06342 days ago1709806446IN
DxSale Network: SALE Token
0 POL0.00537059103.13780572
Approve541888442024-03-02 19:27:07346 days ago1709407627IN
DxSale Network: SALE Token
0 POL0.0022152242.54151419
Withdraw540777082024-02-29 0:22:29349 days ago1709166149IN
DxSale Network: SALE Token
0 POL0.0033364484.1347495
Withdraw539617592024-02-26 1:51:48352 days ago1708912308IN
DxSale Network: SALE Token
0 POL0.00351021100.63692119
Withdraw537985662024-02-21 21:12:59356 days ago1708549979IN
DxSale Network: SALE Token
0 POL0.0022064463.2582722
Withdraw534567012024-02-13 3:18:50365 days ago1707794330IN
DxSale Network: SALE Token
0 POL0.0012427135.62822601
Approve534427672024-02-12 18:58:58365 days ago1707764338IN
DxSale Network: SALE Token
0 POL0.002899956
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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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