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52function initRecoverFractionsStateFacet(
53    Layout storage l,
54    bytes calldata initRecoverFractionsStateData
55) internal returns (uint256[] memory) {
56    if (l.isInitialized) revert AlreadyInitialized();
57    l.isInitialized = true;
58
59    uint256[] memory restrictedRecoverFractionsStates = abi.decode(initRecoverFractionsStateData, (uint256[]));
60
61    uint256 length = restrictedRecoverFractionsStates.length;
62
63    if (length == 0) revert InvalidZeroLengthForRestrictedRecoverFractionsStates();
64
65    l.isRestrictedRecoverFractionsState[0] = true; // state 0 should always be restricted! Cannot recover for NON_CREATED!
66
67    bool isStateZeroPassed; // will check if state 0 is restricted and reverts otherwise after for loop!
68
69    for (uint256 i; i < length; ) {
70        uint256 restrictedState = restrictedRecoverFractionsStates[i];
71
72        if (restrictedState == 0) {
73            isStateZeroPassed = true;
74        } else {
75            l.isRestrictedRecoverFractionsState[restrictedState] = true;
76        }
77
78        unchecked {
79            i += 1;
80        }
81    }
82
83    if (!isStateZeroPassed) revert NonProvidedZeroAsRestrictedState();
84
85    return restrictedRecoverFractionsStates;
86}

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26/** ================================================== STORAGE =================================================
27 * @dev Unique identifier for the storage slot where the Layout struct is stored. Derived from the ERC7201 formula.
28 * STORAGE_SLOT: TO-DO
29 */
30bytes32 internal constant STORAGE_SLOT =
31    keccak256(
32        abi.encode(uint256(keccak256("Evergonlabs.Tmi-Tokenizer.storage.RestrictedStatesRecoverFractionsFacetStorage")) - 1)
33    ) & ~bytes32(uint256(0xff));