// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.18;

interface ISmartAssetBase {
    function footprintOf(uint256 tokenId) external view returns (TokenFootprint memory);

    function getTransferKey(uint256 tokenId) external view returns (address);

    function getViewKey(uint256 tokenId) external view returns (address);

    function hydrateToken(TokenHydratationParams memory tokenHydratationParams) external;

    function imprintOf(uint256 tokenId) external view returns (bytes32);

    function isRequestable(uint256 tokenId) external view returns (bool);

    function isShared() external pure returns (bool);

    function issuerOf(uint256 tokenId) external view returns (address issuer);

    function requestToken(uint256 tokenId, bytes memory signature, address newOwner, bool keepTransferKey, address walletProvider) external;

    function reserveToken(address to, uint256 tokenId) external;

    function setTokenTransferKey(uint256 tokenId, address key) external;

    function setTokenViewKey(uint256 tokenId, address key) external;

    /**
     * @notice Footprint of a token. See {SmartAssetBase-idToFootprint}.
     */
    struct TokenFootprint {
        address issuer;
        uint256 creationTimestamp;
    }

    /**
     * @notice Parameters for hydrating a token. See {SmartAssetBase-hydrateToken}.
     * @param tokenId The token ID.
     * @param imprint The token imprint.
     * @param viewKey The token initial view key.
     * @param transferKey The token initial transfer key (optional).
     * @param issuer The token issuer.
     * @param otherParams An array of bytes that can be used by child contracts if any to gather additional parameters. Its construction depends on your SmartAsset inheritance graph.
     */
    struct TokenHydratationParams {
        uint256 tokenId;
        bytes32 imprint;
        address viewKey;
        address transferKey;
        address creatorProvider;
        bytes[] otherParams;
    }
}