ETH Price: $3,461.27 (+3.72%)
Gas: 3 Gwei

Contract

0xdc5a1dba364a6Ee29A74e6304961DaE46FE8E6be
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Withdraw188514012023-12-23 22:11:23205 days ago1703369483IN
0xdc5a1dba...46FE8E6be
0 ETH0.0008896523.71017569
Mint To183546812023-10-15 8:47:11274 days ago1697359631IN
0xdc5a1dba...46FE8E6be
0.0034 ETH0.000574285.28055886
Mint To183546742023-10-15 8:45:47274 days ago1697359547IN
0xdc5a1dba...46FE8E6be
0.0017 ETH0.000679035.47941545
Mint To183460282023-10-14 3:45:11276 days ago1697255111IN
0xdc5a1dba...46FE8E6be
0.0153 ETH0.000840766.03283421
Mint To181703912023-09-19 13:55:47300 days ago1695131747IN
0xdc5a1dba...46FE8E6be
0.0034 ETH0.0013624310.82543
Mint To180702322023-09-05 12:19:11314 days ago1693916351IN
0xdc5a1dba...46FE8E6be
0.0034 ETH0.0015933212.66004062
Withdraw175177972023-06-20 1:59:35392 days ago1687226375IN
0xdc5a1dba...46FE8E6be
0 ETH0.000503613.42151297
Mint To174606912023-06-12 1:22:59400 days ago1686532979IN
0xdc5a1dba...46FE8E6be
0.0034 ETH0.0017901814.22293922
Safe Transfer Fr...174520572023-06-10 20:12:11401 days ago1686427931IN
0xdc5a1dba...46FE8E6be
0 ETH0.0014980615.29605481
Mint To174513792023-06-10 17:54:23401 days ago1686419663IN
0xdc5a1dba...46FE8E6be
0.0051 ETH0.0020756818.75118444
Mint To174468532023-06-10 2:36:47402 days ago1686364607IN
0xdc5a1dba...46FE8E6be
0.0051 ETH0.0023617218.48046529
Mint To174456132023-06-09 22:25:35402 days ago1686349535IN
0xdc5a1dba...46FE8E6be
0.0085 ETH0.0025586719.43635396
Mint To174444232023-06-09 18:23:59402 days ago1686335039IN
0xdc5a1dba...46FE8E6be
0.051 ETH0.0037418820.79911327
Mint To174444062023-06-09 18:20:35402 days ago1686334835IN
0xdc5a1dba...46FE8E6be
0.051 ETH0.0039782522.11297745
Mint To174316142023-06-07 23:01:35404 days ago1686178895IN
0xdc5a1dba...46FE8E6be
0.0034 ETH0.0022859618.16192562
Mint To174309612023-06-07 20:48:59404 days ago1686170939IN
0xdc5a1dba...46FE8E6be
0.0051 ETH0.0028480822.28621558
Mint To174284462023-06-07 12:17:59404 days ago1686140279IN
0xdc5a1dba...46FE8E6be
0.034 ETH0.0031372819.53403914
Start Sale174273072023-06-07 8:27:35404 days ago1686126455IN
0xdc5a1dba...46FE8E6be
0 ETH0.0012417519.00359557
Stop Sale174273022023-06-07 8:26:35404 days ago1686126395IN
0xdc5a1dba...46FE8E6be
0 ETH0.0006119419.87165978
Mint To174180202023-06-06 1:01:35406 days ago1686013295IN
0xdc5a1dba...46FE8E6be
0.0185 ETH0.002567319.50011048
Mint To174086942023-06-04 17:23:59407 days ago1685899439IN
0xdc5a1dba...46FE8E6be
0.0037 ETH0.0023921919.30186947
Set Approval For...174080982023-06-04 15:22:59407 days ago1685892179IN
0xdc5a1dba...46FE8E6be
0 ETH0.0016665228.72276139
Mint To173927852023-06-02 11:34:23409 days ago1685705663IN
0xdc5a1dba...46FE8E6be
0.0074 ETH0.0037390829.70684698
Mint To173805132023-05-31 18:05:35411 days ago1685556335IN
0xdc5a1dba...46FE8E6be
0.037 ETH0.0097867778.79471873
Mint To173805092023-05-31 18:04:35411 days ago1685556275IN
0xdc5a1dba...46FE8E6be
0.111 ETH0.0111882562.18943721
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block From To
188514012023-12-23 22:11:23205 days ago1703369483
0xdc5a1dba...46FE8E6be
0.02448 ETH
183546812023-10-15 8:47:11274 days ago1697359631
0xdc5a1dba...46FE8E6be
0.00034 ETH
183546742023-10-15 8:45:47274 days ago1697359547
0xdc5a1dba...46FE8E6be
0.00017 ETH
183460282023-10-14 3:45:11276 days ago1697255111
0xdc5a1dba...46FE8E6be
0.00153 ETH
181703912023-09-19 13:55:47300 days ago1695131747
0xdc5a1dba...46FE8E6be
0.00034 ETH
180702322023-09-05 12:19:11314 days ago1693916351
0xdc5a1dba...46FE8E6be
0.00034 ETH
175177972023-06-20 1:59:35392 days ago1687226375
0xdc5a1dba...46FE8E6be
0.42966 ETH
174606912023-06-12 1:22:59400 days ago1686532979
0xdc5a1dba...46FE8E6be
0.00034 ETH
174513792023-06-10 17:54:23401 days ago1686419663
0xdc5a1dba...46FE8E6be
0.00051 ETH
174468532023-06-10 2:36:47402 days ago1686364607
0xdc5a1dba...46FE8E6be
0.00051 ETH
174456132023-06-09 22:25:35402 days ago1686349535
0xdc5a1dba...46FE8E6be
0.00085 ETH
174444232023-06-09 18:23:59402 days ago1686335039
0xdc5a1dba...46FE8E6be
0.0051 ETH
174444062023-06-09 18:20:35402 days ago1686334835
0xdc5a1dba...46FE8E6be
0.0051 ETH
174316142023-06-07 23:01:35404 days ago1686178895
0xdc5a1dba...46FE8E6be
0.00034 ETH
174309612023-06-07 20:48:59404 days ago1686170939
0xdc5a1dba...46FE8E6be
0.00051 ETH
174284462023-06-07 12:17:59404 days ago1686140279
0xdc5a1dba...46FE8E6be
0.0034 ETH
174180202023-06-06 1:01:35406 days ago1686013295
0xdc5a1dba...46FE8E6be
0.00185 ETH
174086942023-06-04 17:23:59407 days ago1685899439
0xdc5a1dba...46FE8E6be
0.00037 ETH
173927852023-06-02 11:34:23409 days ago1685705663
0xdc5a1dba...46FE8E6be
0.00074 ETH
173805132023-05-31 18:05:35411 days ago1685556335
0xdc5a1dba...46FE8E6be
0.0037 ETH
173805092023-05-31 18:04:35411 days ago1685556275
0xdc5a1dba...46FE8E6be
0.0111 ETH
173804442023-05-31 17:51:23411 days ago1685555483
0xdc5a1dba...46FE8E6be
0.0074 ETH
173803952023-05-31 17:41:11411 days ago1685554871
0xdc5a1dba...46FE8E6be
0.0037 ETH
173734902023-05-30 18:22:35412 days ago1685470955
0xdc5a1dba...46FE8E6be
0.00074 ETH
173734892023-05-30 18:22:23412 days ago1685470943
0xdc5a1dba...46FE8E6be
0.00074 ETH
View All Internal Transactions
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x8AbC0E14...30AF4DFD3
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
DiamondCollection

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 6 : DiamondCollection.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import {INiftyKitAppRegistry} from "../interfaces/INiftyKitAppRegistry.sol";
import {INiftyKitV3} from "../interfaces/INiftyKitV3.sol";
import {IDiamondCut} from "../interfaces/IDiamondCut.sol";
import {LibDiamond} from "../libraries/LibDiamond.sol";
import {BaseStorage} from "./BaseStorage.sol";

contract DiamondCollection {
    constructor(
        address owner,
        address treasury,
        address royalty,
        uint16 royaltyBps,
        string memory name,
        string memory symbol,
        bytes32[] memory apps
    ) {
        BaseStorage.Layout storage layout = BaseStorage.layout();
        layout._niftyKit = INiftyKitV3(msg.sender);
        INiftyKitAppRegistry registry = INiftyKitAppRegistry(
            layout._niftyKit.appRegistry()
        );
        INiftyKitAppRegistry.Base memory base = registry.getBase();
        IDiamondCut.FacetCut[] memory facetCuts = new IDiamondCut.FacetCut[](
            apps.length + 1
        );

        layout._treasury = treasury;
        layout._baseVersion = base.version;
        facetCuts = _appFacets(facetCuts, layout, registry, apps);
        facetCuts = _baseFacet(facetCuts, base);

        LibDiamond.diamondCut(
            facetCuts,
            base.implementation,
            abi.encodeWithSignature(
                "_initialize(address,string,string,address,uint16)",
                owner,
                name,
                symbol,
                royalty,
                royaltyBps
            )
        );
    }

    function _appFacets(
        IDiamondCut.FacetCut[] memory facetCuts,
        BaseStorage.Layout storage layout,
        INiftyKitAppRegistry registry,
        bytes32[] memory apps
    ) internal returns (IDiamondCut.FacetCut[] memory) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        uint256 appsLength = apps.length;
        for (uint256 i = 0; i < appsLength; ) {
            INiftyKitAppRegistry.App memory app = registry.getApp(apps[i]);
            if (app.version == 0) revert("App does not exist");

            facetCuts[i] = IDiamondCut.FacetCut({
                facetAddress: app.implementation,
                action: IDiamondCut.FacetCutAction.Add,
                functionSelectors: app.selectors
            });

            ds.supportedInterfaces[app.interfaceId] = true;
            layout._apps[apps[i]] = app;

            unchecked {
                i++;
            }
        }

        return facetCuts;
    }

    function _baseFacet(
        IDiamondCut.FacetCut[] memory facetCuts,
        INiftyKitAppRegistry.Base memory base
    ) internal returns (IDiamondCut.FacetCut[] memory) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        facetCuts[facetCuts.length - 1] = IDiamondCut.FacetCut({
            facetAddress: base.implementation,
            action: IDiamondCut.FacetCutAction.Add,
            functionSelectors: base.selectors
        });

        uint256 idsLength = base.interfaceIds.length;
        for (uint256 i = 0; i < idsLength; ) {
            ds.supportedInterfaces[base.interfaceIds[i]] = true;

            unchecked {
                i++;
            }
        }

        return facetCuts;
    }

    // Find facet for function that is called and execute the
    // function if a facet is found and return any value.
    fallback() external payable {
        LibDiamond.DiamondStorage storage ds;
        bytes32 position = LibDiamond.DIAMOND_STORAGE_POSITION;
        // get diamond storage
        assembly {
            ds.slot := position
        }
        // get facet from function selector
        address facet = address(bytes20(ds.facets[msg.sig]));
        require(facet != address(0), "Diamond: Function does not exist");
        // Execute external function from facet using delegatecall and return any value.
        assembly {
            // copy function selector and any arguments
            calldatacopy(0, 0, calldatasize())
            // execute function call using the facet
            let result := delegatecall(gas(), facet, 0, calldatasize(), 0, 0)
            // get any return value
            returndatacopy(0, 0, returndatasize())
            // return any return value or error back to the caller
            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    receive() external payable {}
}

File 2 of 6 : BaseStorage.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import {INiftyKitAppRegistry} from "../interfaces/INiftyKitAppRegistry.sol";
import {INiftyKitV3} from "../interfaces/INiftyKitV3.sol";

library BaseStorage {
    enum Transfer {
        AllowAll,
        AllowedOperatorsOnly,
        BlockAll
    }

    struct URIEntry {
        bool isValue;
        string tokenURI;
    }

    bytes32 private constant STORAGE_SLOT = keccak256("niftykit.base.storage");

    uint256 public constant ADMIN_ROLE = 1 << 0;
    uint256 public constant MANAGER_ROLE = 1 << 1;
    uint256 public constant API_ROLE = 1 << 2;

    struct Layout {
        mapping(bytes32 => INiftyKitAppRegistry.App) _apps;
        mapping(address => bool) _allowedOperators;
        mapping(uint256 => bool) _blockedTokenIds;
        mapping(uint256 => URIEntry) _tokenURIs;
        bool _operatorFilteringEnabled;
        Transfer _transferStatus;
        INiftyKitV3 _niftyKit;
        uint8 _baseVersion;
        address _treasury;
        string _baseURI;
    }

    function layout() internal pure returns (Layout storage ds) {
        bytes32 position = STORAGE_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ds.slot := position
        }
    }
}

File 3 of 6 : IDiamondCut.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

interface IDiamondCut {
    enum FacetCutAction {Add, Replace, Remove}
    // Add=0, Replace=1, Remove=2

    struct FacetCut {
        address facetAddress;
        FacetCutAction action;
        bytes4[] functionSelectors;
    }

    /// @notice Add/replace/remove any number of functions and optionally execute
    ///         a function with delegatecall
    /// @param _diamondCut Contains the facet addresses and function selectors
    /// @param _init The address of the contract or facet to execute _calldata
    /// @param _calldata A function call, including function selector and arguments
    ///                  _calldata is executed with delegatecall on _init
    function diamondCut(
        FacetCut[] calldata _diamondCut,
        address _init,
        bytes calldata _calldata
    ) external;

    event DiamondCut(FacetCut[] _diamondCut, address _init, bytes _calldata);
}

File 4 of 6 : INiftyKitAppRegistry.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

interface INiftyKitAppRegistry {
    struct App {
        address implementation;
        bytes4 interfaceId;
        bytes4[] selectors;
        uint8 version;
    }

    struct Base {
        address implementation;
        bytes4[] interfaceIds;
        bytes4[] selectors;
        uint8 version;
    }

    /**
     * Get App Facet by app name
     * @param name app name
     */
    function getApp(bytes32 name) external view returns (App memory);

    /**
     * Get base Facet
     */
    function getBase() external view returns (Base memory);
}

File 5 of 6 : INiftyKitV3.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

interface INiftyKitV3 {
    /**
     * @dev Returns app registry address.
     */
    function appRegistry() external returns (address);

    /**
     * @dev Returns the commission amount (sellerFee, buyerFee).
     */
    function commission(
        address collection,
        uint256 amount
    ) external view returns (uint256, uint256);

    /**
     * @dev Get fees by amount (called from collection)
     */
    function getFees(uint256 amount) external view returns (uint256, uint256);
}

File 6 of 6 : LibDiamond.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/
import { IDiamondCut } from "../interfaces/IDiamondCut.sol";

// Remember to add the loupe functions from DiamondLoupeFacet to the diamond.
// The loupe functions are required by the EIP2535 Diamonds standard

error InitializationFunctionReverted(address _initializationContractAddress, bytes _calldata);

library LibDiamond {
    bytes32 constant DIAMOND_STORAGE_POSITION = keccak256("diamond.standard.diamond.storage");

    struct DiamondStorage {
        // maps function selectors to the facets that execute the functions.
        // and maps the selectors to their position in the selectorSlots array.
        // func selector => address facet, selector position
        mapping(bytes4 => bytes32) facets;
        // array of slots of function selectors.
        // each slot holds 8 function selectors.
        mapping(uint256 => bytes32) selectorSlots;
        // The number of function selectors in selectorSlots
        uint16 selectorCount;
        // Used to query if a contract implements an interface.
        // Used to implement ERC-165.
        mapping(bytes4 => bool) supportedInterfaces;
        // owner of the contract
        address contractOwner;
    }

    function diamondStorage() internal pure returns (DiamondStorage storage ds) {
        bytes32 position = DIAMOND_STORAGE_POSITION;
        assembly {
            ds.slot := position
        }
    }

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    function setContractOwner(address _newOwner) internal {
        DiamondStorage storage ds = diamondStorage();
        address previousOwner = ds.contractOwner;
        ds.contractOwner = _newOwner;
        emit OwnershipTransferred(previousOwner, _newOwner);
    }

    function contractOwner() internal view returns (address contractOwner_) {
        contractOwner_ = diamondStorage().contractOwner;
    }

    function enforceIsContractOwner() internal view {
        require(msg.sender == diamondStorage().contractOwner, "LibDiamond: Must be contract owner");
    }

    event DiamondCut(IDiamondCut.FacetCut[] _diamondCut, address _init, bytes _calldata);

    bytes32 constant CLEAR_ADDRESS_MASK = bytes32(uint256(0xffffffffffffffffffffffff));
    bytes32 constant CLEAR_SELECTOR_MASK = bytes32(uint256(0xffffffff << 224));

    // Internal function version of diamondCut
    // This code is almost the same as the external diamondCut,
    // except it is using 'Facet[] memory _diamondCut' instead of
    // 'Facet[] calldata _diamondCut'.
    // The code is duplicated to prevent copying calldata to memory which
    // causes an error for a two dimensional array.
    function diamondCut(
        IDiamondCut.FacetCut[] memory _diamondCut,
        address _init,
        bytes memory _calldata
    ) internal {
        DiamondStorage storage ds = diamondStorage();
        uint256 originalSelectorCount = ds.selectorCount;
        uint256 selectorCount = originalSelectorCount;
        bytes32 selectorSlot;
        // Check if last selector slot is not full
        // "selectorCount & 7" is a gas efficient modulo by eight "selectorCount % 8" 
        if (selectorCount & 7 > 0) {
            // get last selectorSlot
            // "selectorSlot >> 3" is a gas efficient division by 8 "selectorSlot / 8"
            selectorSlot = ds.selectorSlots[selectorCount >> 3];
        }
        // loop through diamond cut
        for (uint256 facetIndex; facetIndex < _diamondCut.length; ) {
            (selectorCount, selectorSlot) = addReplaceRemoveFacetSelectors(
                selectorCount,
                selectorSlot,
                _diamondCut[facetIndex].facetAddress,
                _diamondCut[facetIndex].action,
                _diamondCut[facetIndex].functionSelectors
            );

            unchecked {
                facetIndex++;
            }
        }
        if (selectorCount != originalSelectorCount) {
            ds.selectorCount = uint16(selectorCount);
        }
        // If last selector slot is not full
        // "selectorCount & 7" is a gas efficient modulo by eight "selectorCount % 8" 
        if (selectorCount & 7 > 0) {
            // "selectorSlot >> 3" is a gas efficient division by 8 "selectorSlot / 8"
            ds.selectorSlots[selectorCount >> 3] = selectorSlot;
        }
        emit DiamondCut(_diamondCut, _init, _calldata);
        initializeDiamondCut(_init, _calldata);
    }

    function addReplaceRemoveFacetSelectors(
        uint256 _selectorCount,
        bytes32 _selectorSlot,
        address _newFacetAddress,
        IDiamondCut.FacetCutAction _action,
        bytes4[] memory _selectors
    ) internal returns (uint256, bytes32) {
        DiamondStorage storage ds = diamondStorage();
        require(_selectors.length > 0, "LibDiamondCut: No selectors in facet to cut");
        if (_action == IDiamondCut.FacetCutAction.Add) {
            enforceHasContractCode(_newFacetAddress, "LibDiamondCut: Add facet has no code");
            for (uint256 selectorIndex; selectorIndex < _selectors.length; ) {
                bytes4 selector = _selectors[selectorIndex];
                bytes32 oldFacet = ds.facets[selector];
                require(address(bytes20(oldFacet)) == address(0), "LibDiamondCut: Can't add function that already exists");
                // add facet for selector
                ds.facets[selector] = bytes20(_newFacetAddress) | bytes32(_selectorCount);
                // "_selectorCount & 7" is a gas efficient modulo by eight "_selectorCount % 8" 
                // " << 5 is the same as multiplying by 32 ( * 32)
                uint256 selectorInSlotPosition = (_selectorCount & 7) << 5;
                // clear selector position in slot and add selector
                _selectorSlot = (_selectorSlot & ~(CLEAR_SELECTOR_MASK >> selectorInSlotPosition)) | (bytes32(selector) >> selectorInSlotPosition);
                // if slot is full then write it to storage
                if (selectorInSlotPosition == 224) {
                    // "_selectorSlot >> 3" is a gas efficient division by 8 "_selectorSlot / 8"
                    ds.selectorSlots[_selectorCount >> 3] = _selectorSlot;
                    _selectorSlot = 0;
                }
                _selectorCount++;

                unchecked {
                    selectorIndex++;
                }
            }
        } else if (_action == IDiamondCut.FacetCutAction.Replace) {
            enforceHasContractCode(_newFacetAddress, "LibDiamondCut: Replace facet has no code");
            for (uint256 selectorIndex; selectorIndex < _selectors.length; ) {
                bytes4 selector = _selectors[selectorIndex];
                bytes32 oldFacet = ds.facets[selector];
                address oldFacetAddress = address(bytes20(oldFacet));
                // only useful if immutable functions exist
                require(oldFacetAddress != address(this), "LibDiamondCut: Can't replace immutable function");
                require(oldFacetAddress != _newFacetAddress, "LibDiamondCut: Can't replace function with same function");
                require(oldFacetAddress != address(0), "LibDiamondCut: Can't replace function that doesn't exist");
                // replace old facet address
                ds.facets[selector] = (oldFacet & CLEAR_ADDRESS_MASK) | bytes20(_newFacetAddress);

                unchecked {
                    selectorIndex++;
                }
            }
        } else if (_action == IDiamondCut.FacetCutAction.Remove) {
            require(_newFacetAddress == address(0), "LibDiamondCut: Remove facet address must be address(0)");
            // "_selectorCount >> 3" is a gas efficient division by 8 "_selectorCount / 8"
            uint256 selectorSlotCount = _selectorCount >> 3;
            // "_selectorCount & 7" is a gas efficient modulo by eight "_selectorCount % 8" 
            uint256 selectorInSlotIndex = _selectorCount & 7;
            for (uint256 selectorIndex; selectorIndex < _selectors.length; ) {
                if (_selectorSlot == 0) {
                    // get last selectorSlot
                    selectorSlotCount--;
                    _selectorSlot = ds.selectorSlots[selectorSlotCount];
                    selectorInSlotIndex = 7;
                } else {
                    selectorInSlotIndex--;
                }
                bytes4 lastSelector;
                uint256 oldSelectorsSlotCount;
                uint256 oldSelectorInSlotPosition;
                // adding a block here prevents stack too deep error
                {
                    bytes4 selector = _selectors[selectorIndex];
                    bytes32 oldFacet = ds.facets[selector];
                    require(address(bytes20(oldFacet)) != address(0), "LibDiamondCut: Can't remove function that doesn't exist");
                    // only useful if immutable functions exist
                    require(address(bytes20(oldFacet)) != address(this), "LibDiamondCut: Can't remove immutable function");
                    // replace selector with last selector in ds.facets
                    // gets the last selector
                    // " << 5 is the same as multiplying by 32 ( * 32)
                    lastSelector = bytes4(_selectorSlot << (selectorInSlotIndex << 5));
                    if (lastSelector != selector) {
                        // update last selector slot position info
                        ds.facets[lastSelector] = (oldFacet & CLEAR_ADDRESS_MASK) | bytes20(ds.facets[lastSelector]);
                    }
                    delete ds.facets[selector];
                    uint256 oldSelectorCount = uint16(uint256(oldFacet));
                    // "oldSelectorCount >> 3" is a gas efficient division by 8 "oldSelectorCount / 8"
                    oldSelectorsSlotCount = oldSelectorCount >> 3;
                    // "oldSelectorCount & 7" is a gas efficient modulo by eight "oldSelectorCount % 8" 
                    // " << 5 is the same as multiplying by 32 ( * 32)
                    oldSelectorInSlotPosition = (oldSelectorCount & 7) << 5;
                }
                if (oldSelectorsSlotCount != selectorSlotCount) {
                    bytes32 oldSelectorSlot = ds.selectorSlots[oldSelectorsSlotCount];
                    // clears the selector we are deleting and puts the last selector in its place.
                    oldSelectorSlot =
                        (oldSelectorSlot & ~(CLEAR_SELECTOR_MASK >> oldSelectorInSlotPosition)) |
                        (bytes32(lastSelector) >> oldSelectorInSlotPosition);
                    // update storage with the modified slot
                    ds.selectorSlots[oldSelectorsSlotCount] = oldSelectorSlot;
                } else {
                    // clears the selector we are deleting and puts the last selector in its place.
                    _selectorSlot =
                        (_selectorSlot & ~(CLEAR_SELECTOR_MASK >> oldSelectorInSlotPosition)) |
                        (bytes32(lastSelector) >> oldSelectorInSlotPosition);
                }
                if (selectorInSlotIndex == 0) {
                    delete ds.selectorSlots[selectorSlotCount];
                    _selectorSlot = 0;
                }

                unchecked {
                    selectorIndex++;
                }
            }
            _selectorCount = selectorSlotCount * 8 + selectorInSlotIndex;
        } else {
            revert("LibDiamondCut: Incorrect FacetCutAction");
        }
        return (_selectorCount, _selectorSlot);
    }

    function initializeDiamondCut(address _init, bytes memory _calldata) internal {
        if (_init == address(0)) {
            return;
        }
        enforceHasContractCode(_init, "LibDiamondCut: _init address has no code");        
        (bool success, bytes memory error) = _init.delegatecall(_calldata);
        if (!success) {
            if (error.length > 0) {
                // bubble up error
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(error)
                    revert(add(32, error), returndata_size)
                }
            } else {
                revert InitializationFunctionReverted(_init, _calldata);
            }
        }
    }

    function enforceHasContractCode(address _contract, string memory _errorMessage) internal view {
        uint256 contractSize;
        assembly {
            contractSize := extcodesize(_contract)
        }
        require(contractSize > 0, _errorMessage);
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"treasury","type":"address"},{"internalType":"address","name":"royalty","type":"address"},{"internalType":"uint16","name":"royaltyBps","type":"uint16"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"bytes32[]","name":"apps","type":"bytes32[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"_initializationContractAddress","type":"address"},{"internalType":"bytes","name":"_calldata","type":"bytes"}],"name":"InitializationFunctionReverted","type":"error"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

0x608060405236600a57005b600080356001600160e01b03191681527fc8fcad8db84d3cc18b4c41d551ea0ee66dd599cde068d998e57d5e09332c131c6020819052604090912054819060601c80609b5760405162461bcd60e51b815260206004820181905260248201527f4469616d6f6e643a2046756e6374696f6e20646f6573206e6f74206578697374604482015260640160405180910390fd5b3660008037600080366000845af43d6000803e80801560b9573d6000f35b3d6000fdfea26469706673582212206d25102b4d75f611f80bca95f71de85c40d00ec95bee8807fc20e6d745f0f01464736f6c63430008130033

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.