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    Overview

    TokenID

    842

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    Onchain Market Cap

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    Similar Match Source Code
    This contract matches the deployed Bytecode of the Source Code for Contract 0x9F645553...74b2e81CB
    The constructor portion of the code might be different and could alter the actual behaviour of the contract

    Contract Name:
    ERC721CollectionProxy

    Compiler Version
    v0.8.25+commit.b61c2a91

    Optimization Enabled:
    Yes with 200 runs

    Other Settings:
    paris EvmVersion
    File 1 of 9 : ERC721CollectionProxy.sol
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    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.10;
    import {ERC1967Proxy} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
    /// @dev Freee NFT Creator Proxy Access Contract
    contract ERC721CollectionProxy is ERC1967Proxy {
    constructor(address _logic, bytes memory _data)
    payable
    ERC1967Proxy(_logic, _data)
    {}
    }
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    File 2 of 9 : ERC1967Proxy.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol)
    pragma solidity ^0.8.0;
    import "../Proxy.sol";
    import "./ERC1967Upgrade.sol";
    /**
    * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
    * implementation address that can be changed. This address is stored in storage in the location specified by
    * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
    * implementation behind the proxy.
    */
    contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
    * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
    *
    * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
    * function call, and allows initializing the storage of the proxy like a Solidity constructor.
    */
    constructor(address _logic, bytes memory _data) payable {
    _upgradeToAndCall(_logic, _data, false);
    }
    /**
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    File 3 of 9 : Proxy.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)
    pragma solidity ^0.8.0;
    /**
    * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
    * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
    * be specified by overriding the virtual {_implementation} function.
    *
    * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
    * different contract through the {_delegate} function.
    *
    * The success and return data of the delegated call will be returned back to the caller of the proxy.
    */
    abstract contract Proxy {
    /**
    * @dev Delegates the current call to `implementation`.
    *
    * This function does not return to its internal call site, it will return directly to the external caller.
    */
    function _delegate(address implementation) internal virtual {
    assembly {
    // Copy msg.data. We take full control of memory in this inline assembly
    // block because it will not return to Solidity code. We overwrite the
    // Solidity scratch pad at memory position 0.
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    File 4 of 9 : ERC1967Upgrade.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)
    pragma solidity ^0.8.2;
    import "../beacon/IBeacon.sol";
    import "../../interfaces/IERC1967.sol";
    import "../../interfaces/draft-IERC1822.sol";
    import "../../utils/Address.sol";
    import "../../utils/StorageSlot.sol";
    /**
    * @dev This abstract contract provides getters and event emitting update functions for
    * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
    *
    * _Available since v4.1._
    */
    abstract contract ERC1967Upgrade is IERC1967 {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
    /**
    * @dev Storage slot with the address of the current implementation.
    * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
    * validated in the constructor.
    */
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    File 5 of 9 : IBeacon.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)
    pragma solidity ^0.8.0;
    /**
    * @dev This is the interface that {BeaconProxy} expects of its beacon.
    */
    interface IBeacon {
    /**
    * @dev Must return an address that can be used as a delegate call target.
    *
    * {BeaconProxy} will check that this address is a contract.
    */
    function implementation() external view returns (address);
    }
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    File 6 of 9 : IERC1967.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)
    pragma solidity ^0.8.0;
    /**
    * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
    *
    * _Available since v4.8.3._
    */
    interface IERC1967 {
    /**
    * @dev Emitted when the implementation is upgraded.
    */
    event Upgraded(address indexed implementation);
    /**
    * @dev Emitted when the admin account has changed.
    */
    event AdminChanged(address previousAdmin, address newAdmin);
    /**
    * @dev Emitted when the beacon is changed.
    */
    event BeaconUpgraded(address indexed beacon);
    }
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    File 7 of 9 : draft-IERC1822.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
    pragma solidity ^0.8.0;
    /**
    * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
    * proxy whose upgrades are fully controlled by the current implementation.
    */
    interface IERC1822Proxiable {
    /**
    * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
    * address.
    *
    * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
    * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
    * function revert if invoked through a proxy.
    */
    function proxiableUUID() external view returns (bytes32);
    }
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    File 8 of 9 : Address.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
    pragma solidity ^0.8.1;
    /**
    * @dev Collection of functions related to the address type
    */
    library Address {
    /**
    * @dev Returns true if `account` is a contract.
    *
    * [IMPORTANT]
    * ====
    * It is unsafe to assume that an address for which this function returns
    * false is an externally-owned account (EOA) and not a contract.
    *
    * Among others, `isContract` will return false for the following
    * types of addresses:
    *
    * - an externally-owned account
    * - a contract in construction
    * - an address where a contract will be created
    * - an address where a contract lived, but was destroyed
    *
    * Furthermore, `isContract` will also return true if the target contract within
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    File 9 of 9 : StorageSlot.sol
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    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
    // This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
    pragma solidity ^0.8.0;
    /**
    * @dev Library for reading and writing primitive types to specific storage slots.
    *
    * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
    * This library helps with reading and writing to such slots without the need for inline assembly.
    *
    * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
    *
    * Example usage to set ERC1967 implementation slot:
    * ```solidity
    * contract ERC1967 {
    * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
    *
    * function _getImplementation() internal view returns (address) {
    * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    * }
    *
    * function _setImplementation(address newImplementation) internal {
    * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
    * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
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    Settings
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    {
    "remappings": [
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "erc721a-upgradeable/=lib/ERC721A-Upgradeable/contracts/",
    "forge-std/=lib/forge-std/src/",
    "ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
    ],
    "optimizer": {
    "enabled": true,
    "runs": 200
    },
    "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
    },
    "outputSelection": {
    "*": {
    "*": [
    "evm.bytecode",
    XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

    Contract Security Audit

    Contract ABI

    [{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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    Deployed Bytecode

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