Contract

0xdFb8968C8baa026e04d3a8B31A946beCf37994A7

Source Code

Overview

S Balance

0 S

S Value

$0.00

More Info

Private Name Tags

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ContractCreator

0xe84573cE...557fB45c0 at txn 0xb57ff3696fa7e17bf71d9d870beb20a9ff34982e08ca8454d59b1549dbc132ef

Multichain Info

$0 (Multichain Portfolio)

Latest 1 from a total of 1 transactions

	Transaction Hash	Method	Block		From		To
	0xcea425f37a9309be1ccaa332951563dbcda48e6d5b6beed888a1362bd1a31451	Initialize	11415938	2025-03-03 14:54:41	26 hrs ago	1741013681	0xe84573cE...557fB45c0	IN	0xdFb8968C...Cf37994A7	0 S$0.00	0.05932877	55

Parent Transaction Hash	Block		From		To

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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xd8C33f43...365De20c2
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:

UpgradableProxy

Compiler Version

v0.7.6+commit.7338295f

Optimization Enabled:

Yes with 999999 runs

Other Settings:

default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at SonicScan.org on 2025-02-26
*/

// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

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

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

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

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

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

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

    constructor(address _proxyTo) {
        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 view override 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)
    public
    payable
    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;
    }
}

Contract Security Audit

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Contract ABI

API

[{"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://405d11edfea715ab1ddd102a0da51d14e8f3003d62ecca130681e448f3ac47ce

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Multichain Portfolio | 31 Chains

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