Contract 0x8f3cf7ad23cd3cadbd9735aff958023239c6a063 5

 
Txn Hash
Block
From
To
Value [Txn Fee]
0xa873bd6a81380938ba139254bec2705cab164a7758ceaf2a0256e5c25f5bd475173565822021-07-28 10:00:493 mins ago0x135ae51cae4f8d61471598ab4a0248ce27f4c83a IN  Maker: Dai Stablecoin0 MATIC0.000052072
0x9081618225544215d23c7ca5724cd297771d396b995f4c3f441eb00fcf9feeec173565622021-07-28 10:00:093 mins ago0xa48da27238cfe998e30d485157fc983d4a17e163 IN  Maker: Dai Stablecoin0 MATIC0.002737038
0x4a2771c2b22b7e053973ae1b8264e8333275311b1ab0f367c98c346ebb2af6c4173565552021-07-28 9:59:554 mins ago0x189ecebfa5d3c5ea82d5172b1069c3305a0a149a IN  Maker: Dai Stablecoin0 MATIC0.00052072
0x4278a864bc7188cd2ac2d4de4205a5b1eef82c596110b748e8fa5d62270e663a173565152021-07-28 9:58:295 mins ago0xb96cacfc32aadb1c50fe4006cad32dda5f1016b9 IN  Maker: Dai Stablecoin0 MATIC0.000114572
0x6ae2adda0acfbb16363de03af155ca387bb2d17a6afc0a82757adad2fa5d1061173565082021-07-28 9:58:155 mins ago0x5c3a621207f6bbb1f54cabe97860471644772f9c IN  Maker: Dai Stablecoin0 MATIC0.000052072
0x4cb0c55589d7e2fdc36f800d15a1f4456759c9710b94d0f71bfd89486447e5a8173565062021-07-28 9:58:115 mins ago0x6f0e9d4186d5f45bd744a01cb7a8b12d90bb775d IN  Maker: Dai Stablecoin0 MATIC0.001093512
0x7bd3a7ac930dc6a1124217d409c932806b2642110c59599cb12c2f2a7c0c8eb8173562962021-07-28 9:48:5115 mins ago0xfe5660f2e5ba3012c4e517831d23eb0f97188bb5 IN  Maker: Dai Stablecoin0 MATIC0.000024646
0x4be176b43e2439ce8dbabc4d7de9dbbc4a12f0a583f07e4ded2059fd3bdeb8bb173562912021-07-28 9:48:4115 mins ago0x9ec8e8acc1d86ecd59811a7148f6798d954368a4 IN  Maker: Dai Stablecoin0 MATIC0.000042322
0xb1fc631d1d1386f74b6c86d3aeedebae995f682e5ea1fd90ed88705a257088cd173562892021-07-28 9:48:3715 mins ago0xbe43c089e796dd787e5c3a77553cc26ef46c5b28 IN  Maker: Dai Stablecoin0 MATIC0.000052072
0xf0d9c601b54cb7600dd53e830b84685105acb208a8b34e909611462bececff1f173562782021-07-28 9:48:1115 mins ago0x87e631332c79e97c9a160c2ea9a6ff384ab95a9f IN  Maker: Dai Stablecoin0 MATIC0.000052072
0x453d4f7ff86f6f1eeb092b655fcc4e423ac9c5ea8c33908328eda67e648b6da6173562742021-07-28 9:48:0316 mins ago0x6be4562544e9756579bfe473a3b7b223504d0de1 IN  Maker: Dai Stablecoin0 MATIC0.000052072
0xd8d451cb04c44852c6adda6175d1cb4117ec38b58ffc4773e4f6ce4a8dd45c11173562142021-07-28 9:45:4118 mins ago0x9772fedc43123a6efbd1965617d0e079de2689e4 IN  Maker: Dai Stablecoin0 MATIC0.00012335
0x773787ba88096dea6a5d9e6ff4713631dd5b4e96211580a4baa69a8de7236027173562082021-07-28 9:45:1718 mins ago0x13240a91bb171eab6b125ec89b6e0776a904d8ab IN  Maker: Dai Stablecoin0 MATIC0.00012693
0x217b275ead65c4eecad8f3082ab374a8bb6871a43d98de60870864ba1d540e05173561792021-07-28 9:43:2120 mins ago0x1a4a77efad200658c794a51ed3317dbe4bcb4e5a IN  Maker: Dai Stablecoin0 MATIC0.000052072
0x2592e056b8c29af23430ea2db7240eeb5938b17d3a2610ebc00b4cfe333f3036173561562021-07-28 9:41:5122 mins ago0x12ec22577b661b54c7233eb30cab21d2547146c0 IN  Maker: Dai Stablecoin0 MATIC0.000052072
0xc416461827444292ab9a2de53d459be1f0b05d999383018d8b8d4c5a31e75518173561252021-07-28 9:40:4923 mins ago0x66c0d9152209b51977047b9dc3b0b5bf2339b67c IN  Maker: Dai Stablecoin0 MATIC0.000171894
0xa62db4e3890d625f6f8befa7fc083090face6c96c01d4812229dc3f87ffa6fa0173561072021-07-28 9:40:1323 mins ago0xe4961a3c67412201001761191f0b565e931f63cf IN  Maker: Dai Stablecoin0 MATIC0.000052072
0x71c47a27f6c0027d0e10f2617c55bfd603fd67a9664ecd4e74e287be54a4874b173560972021-07-28 9:39:5324 mins ago0x6fec7c155d293267e80f6a91809e28a2dd2c8d4d IN  Maker: Dai Stablecoin0 MATIC0.000032172
0x4c49f94fd222272d0fb30c27866b5958780016f3dd788f6f4569f817866789fa173560902021-07-28 9:39:3524 mins ago0xe4961a3c67412201001761191f0b565e931f63cf IN  Maker: Dai Stablecoin0 MATIC0.000032172
0xe7e583798022b0b945685d5569713526da6d5c02ceb48106f77bdd38de90f043173560872021-07-28 9:39:2924 mins ago0xe4961a3c67412201001761191f0b565e931f63cf IN  Maker: Dai Stablecoin0 MATIC0.000032172
0x18a5c0cc6ddb3bc99f91dac521d124b08a5a4562a611e6c09476a9c8030a14ec173560852021-07-28 9:39:2524 mins ago0xe4961a3c67412201001761191f0b565e931f63cf IN  Maker: Dai Stablecoin0 MATIC0.000063585119
0xffba230ab30ade366e80f8c340db05ca00d80a58c28d0b4bf9defb5994da3270173560822021-07-28 9:39:1924 mins ago0xce4ad1c64b1267f34eb230ba4f1162b1583489d8 IN  Maker: Dai Stablecoin0 MATIC0.000051784
0x0743e1cf00054898715f7db4c2c0ac62b7ee8de8b21f28436f2fb68d09df693a173560752021-07-28 9:39:0524 mins ago0x6fec7c155d293267e80f6a91809e28a2dd2c8d4d IN  Maker: Dai Stablecoin0 MATIC0.000052072
0x45fd9a617404f229fa06d2d3d2779122cbf3c5e8b347b05677e7e2f750299cc3173560202021-07-28 9:36:4927 mins ago0x268993c1923cf4d6db408f5109a53fcf17ed4039 IN  Maker: Dai Stablecoin0 MATIC0.0000931084
0x9cd96bbf06d132812c7fd121d35ffc76e6399ec4ec6c2e21c5e224f3fc46b3c7173560082021-07-28 9:36:0128 mins ago0x9194ff990c890b33dcd62426f8c84fe2b3178f2c IN  Maker: Dai Stablecoin0 MATIC0.000208288
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OVERVIEW

Multi-Collateral Dai, brings a lot of new and exciting features, such as support for new CDP collateral types and Dai Savings Rate.

Parent Txn Hash Block From To Value
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Contract Source Code Verified (Exact Match)

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 2021-06-29
*/

// 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 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"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000490e379c9cff64944be82b849f8fd5972c7999a7

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000490e379c9cff64944be82b849f8fd5972c7999a7


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