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0x226124E83868812D3Dae87eB3C5F28047E1070B7
 

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Transaction Hash
Method
Block
From
To
Value
Unlock FNFT197853552024-05-02 22:16:2344 days ago1714688183IN
Revest Finance: Lock Manager
0 ETH0.000194246.53095203
Set Address Regi...197853492024-05-02 22:14:5944 days ago1714688099IN
Revest Finance: Lock Manager
0 ETH0.000122555.09404981
Transfer Ownersh...132908312021-09-24 21:19:10995 days ago1632518350IN
Revest Finance: Lock Manager
0 ETH0.00292645102.28067351
0x60806040132905522021-09-24 20:11:51995 days ago1632514311IN
 Create: LockManager
0 ETH0.1862231865

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Contract Source Code Verified (Exact Match)

Contract Name:
LockManager

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 31 : LockManager.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
import "@openzeppelin/contracts/access/AccessControlEnumerable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "./interfaces/IRevest.sol";
import "./interfaces/ILockManager.sol";
import "./interfaces/IOracleDispatch.sol";
import "./lib/uniswap/IUniswapV2Pair.sol";
import "./utils/RevestAccessControl.sol";
import "./interfaces/IAddressLock.sol";
import '@openzeppelin/contracts/utils/introspection/ERC165Checker.sol';


contract LockManager is ILockManager, ReentrancyGuard, AccessControlEnumerable, RevestAccessControl {

    using ERC165Checker for address;

    bytes4 public constant ADDRESS_LOCK_INTERFACE_ID = type(IAddressLock).interfaceId;
    uint public numLocks = 0; // We increment this to get the lockId for each new lock created
    mapping(uint => uint) public override fnftIdToLockId;
    mapping(uint => IRevest.Lock) public locks; // maps lockId to locks

    constructor(address provider) RevestAccessControl(provider) {}

    /**
     * We access all lock properties by calling this method and then extracting data from the underlying struct
     * No need to write specialized getters for each portion
     */
    function fnftIdToLock(uint fnftId) public view override returns (IRevest.Lock memory) {
        return locks[fnftIdToLockId[fnftId]];
    }

    function getLock(uint lockId) external view override returns (IRevest.Lock memory) {
        return locks[lockId];
    }

    /**
     * Use this when splitting an FNFT so both parts can point to the same lock without creating new ones.
     */
    function pointFNFTToLock(uint fnftId, uint lockId) external override onlyRevest {
        fnftIdToLockId[fnftId] = lockId;
    }

    function createLock(uint fnftId, IRevest.LockParam memory lock) external override onlyRevest returns (uint) {
        // Extensive validation on creation
        require(lock.lockType != IRevest.LockType.DoesNotExist, "E058");
        IRevest.Lock storage newLock = locks[numLocks];
        newLock.lockType = lock.lockType;
        newLock.creationTime = block.timestamp;
        if(lock.lockType == IRevest.LockType.TimeLock) {
            require(lock.timeLockExpiry > block.timestamp, "E002");
            newLock.timeLockExpiry = lock.timeLockExpiry;
        }
        else if (lock.lockType == IRevest.LockType.ValueLock) {
            require(lock.valueLock.unlockValue > 0, "E003");
            require(lock.valueLock.compareTo != address(0) && lock.valueLock.asset != address(0), "E004");
            // Begin validation code to ensure this is actually keyed to a proper oracle
            IOracleDispatch oracle = IOracleDispatch(lock.valueLock.oracle);
            bool oraclePresent = oracle.getPairHasOracle(lock.valueLock.asset, lock.valueLock.compareTo);
            // If the oracle is not present, attempt to initialize it
            if(!oraclePresent && oracle.oracleNeedsInitialization(lock.valueLock.asset, lock.valueLock.compareTo)) {
                oraclePresent = oracle.initializeOracle(lock.valueLock.asset, lock.valueLock.compareTo);
            }
            require(oraclePresent, "E049");
            newLock.valueLock = lock.valueLock;
        }
        else if (lock.lockType == IRevest.LockType.AddressLock) {
            require(lock.addressLock != address(0), "E004");
            newLock.addressLock = lock.addressLock;
        }
        else {
            require(false, "Invalid type");
        }
        fnftIdToLockId[fnftId] = numLocks;
        numLocks += 1;
        return numLocks - 1;
    }

    /**
     * @dev Sets the maturity of an address or value lock to mature – can only be called from main contract
     * if address, only if it is called by the address given permissions to
     * if value, only if value is correct for unlocking
     * lockId - the ID of the FNFT to unlock
     * @return true if the caller is valid and the lock has been unlocked, false otherwise
     */
    function unlockFNFT(uint fnftId, address sender) external override onlyRevestController returns (bool) {
        uint lockId = fnftIdToLockId[fnftId];
        IRevest.Lock storage lock = locks[lockId];
        IRevest.LockType typeLock = lock.lockType;
        if (typeLock == IRevest.LockType.TimeLock) {
            if(!lock.unlocked && lock.timeLockExpiry <= block.timestamp) {
                lock.unlocked = true;
                lock.timeLockExpiry = 0;
            }
        }
        else if (typeLock == IRevest.LockType.ValueLock) {
            bool unlockState;
            address oracleAdd = lock.valueLock.oracle;
            if(getLockMaturity(fnftId)) {
                unlockState = true;
            } else {
                IOracleDispatch oracle = IOracleDispatch(oracleAdd);
                unlockState = oracle.updateOracle(lock.valueLock.asset, lock.valueLock.compareTo) &&
                                getLockMaturity(fnftId);
            }
            if(unlockState && oracleAdd != address(0)) {
                lock.unlocked = true;
                lock.valueLock.oracle = address(0);
                lock.valueLock.asset = address(0);
                lock.valueLock.compareTo = address(0);
                lock.valueLock.unlockValue = 0;
                lock.valueLock.unlockRisingEdge = false;
            }

        }
        else if (typeLock == IRevest.LockType.AddressLock) {
            address addLock = lock.addressLock;
            if (!lock.unlocked && (sender == addLock ||
                    (addLock.supportsInterface(ADDRESS_LOCK_INTERFACE_ID) && IAddressLock(addLock).isUnlockable(fnftId, lockId)))
                ) {
                lock.unlocked = true;
                lock.addressLock = address(0);
            }
        }
        return lock.unlocked;
    }

    /**
     * Return whether a lock of any type is mature. Use this for all locktypes.
     */
    function getLockMaturity(uint fnftId) public view override returns (bool) {
        IRevest.Lock memory lock = locks[fnftIdToLockId[fnftId]];
        if (lock.lockType == IRevest.LockType.TimeLock) {
            return lock.unlocked || lock.timeLockExpiry < block.timestamp;
        }
        else if (lock.lockType == IRevest.LockType.ValueLock) {
            return lock.unlocked || getValueLockMaturity(fnftId);
        }
        else if (lock.lockType == IRevest.LockType.AddressLock) {
            return lock.unlocked || (lock.addressLock.supportsInterface(ADDRESS_LOCK_INTERFACE_ID) &&
                                        IAddressLock(lock.addressLock).isUnlockable(fnftId, fnftIdToLockId[fnftId]));
        }
        else {
            revert("E050");
        }
    }

    function lockTypes(uint tokenId) external view override returns (IRevest.LockType) {
        return fnftIdToLock(tokenId).lockType;
    }

    // Should only read whether the current state is mature based on oracle calls and unlock lists
    // If oracle update tells us that it remains immature, we revert everything
    function getValueLockMaturity(uint fnftId) internal view returns (bool) {
        IRevest.Lock memory lock = fnftIdToLock(fnftId);
        IOracleDispatch oracle = IOracleDispatch(lock.valueLock.oracle);

        uint currentValue = oracle.getValueOfAsset(lock.valueLock.asset, lock.valueLock.compareTo, lock.valueLock.unlockRisingEdge);
        // Perform comparison

        if (lock.valueLock.unlockRisingEdge) {
            return currentValue >= lock.valueLock.unlockValue;
        } else {
            // Only mature if current value less than unlock value
            return currentValue < lock.valueLock.unlockValue;
        }
    }

}

File 2 of 31 : ERC1155.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC1155.sol";
import "./IERC1155Receiver.sol";
import "./extensions/IERC1155MetadataURI.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the basic standard multi-token.
 * See https://eips.ethereum.org/EIPS/eip-1155
 * Originally based on code by Enjin: https://github.com/enjin/erc-1155
 *
 * _Available since v3.1._
 */
contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
    using Address for address;

    // Mapping from token ID to account balances
    mapping(uint256 => mapping(address => uint256)) private _balances;

    // Mapping from account to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
    string private _uri;

    /**
     * @dev See {_setURI}.
     */
    constructor(string memory uri_) {
        _setURI(uri_);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC1155).interfaceId ||
            interfaceId == type(IERC1155MetadataURI).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC1155MetadataURI-uri}.
     *
     * This implementation returns the same URI for *all* token types. It relies
     * on the token type ID substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * Clients calling this function must replace the `\{id\}` substring with the
     * actual token type ID.
     */
    function uri(uint256) public view virtual override returns (string memory) {
        return _uri;
    }

    /**
     * @dev See {IERC1155-balanceOf}.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
        require(account != address(0), "ERC1155: balance query for the zero address");
        return _balances[id][account];
    }

    /**
     * @dev See {IERC1155-balanceOfBatch}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
        public
        view
        virtual
        override
        returns (uint256[] memory)
    {
        require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");

        uint256[] memory batchBalances = new uint256[](accounts.length);

        for (uint256 i = 0; i < accounts.length; ++i) {
            batchBalances[i] = balanceOf(accounts[i], ids[i]);
        }

        return batchBalances;
    }

    /**
     * @dev See {IERC1155-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(_msgSender() != operator, "ERC1155: setting approval status for self");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC1155-isApprovedForAll}.
     */
    function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[account][operator];
    }

    /**
     * @dev See {IERC1155-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) public virtual override {
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );
        _safeTransferFrom(from, to, id, amount, data);
    }

    /**
     * @dev See {IERC1155-safeBatchTransferFrom}.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) public virtual override {
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: transfer caller is not owner nor approved"
        );
        _safeBatchTransferFrom(from, to, ids, amounts, data);
    }

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: transfer to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);

        uint256 fromBalance = _balances[id][from];
        require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
        unchecked {
            _balances[id][from] = fromBalance - amount;
        }
        _balances[id][to] += amount;

        emit TransferSingle(operator, from, to, id, amount);

        _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function _safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
        require(to != address(0), "ERC1155: transfer to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; ++i) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            uint256 fromBalance = _balances[id][from];
            require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
            unchecked {
                _balances[id][from] = fromBalance - amount;
            }
            _balances[id][to] += amount;
        }

        emit TransferBatch(operator, from, to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
    }

    /**
     * @dev Sets a new URI for all token types, by relying on the token type ID
     * substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * By this mechanism, any occurrence of the `\{id\}` substring in either the
     * URI or any of the amounts in the JSON file at said URI will be replaced by
     * clients with the token type ID.
     *
     * For example, the `https://token-cdn-domain/\{id\}.json` URI would be
     * interpreted by clients as
     * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
     * for token type ID 0x4cce0.
     *
     * See {uri}.
     *
     * Because these URIs cannot be meaningfully represented by the {URI} event,
     * this function emits no events.
     */
    function _setURI(string memory newuri) internal virtual {
        _uri = newuri;
    }

    /**
     * @dev Creates `amount` tokens of token type `id`, and assigns them to `account`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - If `account` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _mint(
        address account,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(account != address(0), "ERC1155: mint to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);

        _balances[id][account] += amount;
        emit TransferSingle(operator, address(0), account, id, amount);

        _doSafeTransferAcceptanceCheck(operator, address(0), account, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function _mintBatch(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: mint to the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; i++) {
            _balances[ids[i]][to] += amounts[i];
        }

        emit TransferBatch(operator, address(0), to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
    }

    /**
     * @dev Destroys `amount` tokens of token type `id` from `account`
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens of token type `id`.
     */
    function _burn(
        address account,
        uint256 id,
        uint256 amount
    ) internal virtual {
        require(account != address(0), "ERC1155: burn from the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");

        uint256 accountBalance = _balances[id][account];
        require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
        unchecked {
            _balances[id][account] = accountBalance - amount;
        }

        emit TransferSingle(operator, account, address(0), id, amount);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     */
    function _burnBatch(
        address account,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        require(account != address(0), "ERC1155: burn from the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, account, address(0), ids, amounts, "");

        for (uint256 i = 0; i < ids.length; i++) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            uint256 accountBalance = _balances[id][account];
            require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
            unchecked {
                _balances[id][account] = accountBalance - amount;
            }
        }

        emit TransferBatch(operator, account, address(0), ids, amounts);
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning, as well as batched variants.
     *
     * The same hook is called on both single and batched variants. For single
     * transfers, the length of the `id` and `amount` arrays will be 1.
     *
     * Calling conditions (for each `id` and `amount` pair):
     *
     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * of token type `id` will be  transferred to `to`.
     * - When `from` is zero, `amount` tokens of token type `id` will be minted
     * for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
     * will be burned.
     * - `from` and `to` are never both zero.
     * - `ids` and `amounts` have the same, non-zero length.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {}

    function _doSafeTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) private {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                if (response != IERC1155Receiver(to).onERC1155Received.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _doSafeBatchTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) private {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                bytes4 response
            ) {
                if (response != IERC1155Receiver(to).onERC1155BatchReceived.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
        uint256[] memory array = new uint256[](1);
        array[0] = element;

        return array;
    }
}

File 3 of 31 : AccessControlEnumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./AccessControl.sol";
import "../utils/structs/EnumerableSet.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable {
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;

    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {grantRole} to track enumerable memberships
     */
    function grantRole(bytes32 role, address account) public virtual override {
        super.grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {revokeRole} to track enumerable memberships
     */
    function revokeRole(bytes32 role, address account) public virtual override {
        super.revokeRole(role, account);
        _roleMembers[role].remove(account);
    }

    /**
     * @dev Overload {renounceRole} to track enumerable memberships
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        super.renounceRole(role, account);
        _roleMembers[role].remove(account);
    }

    /**
     * @dev Overload {_setupRole} to track enumerable memberships
     */
    function _setupRole(bytes32 role, address account) internal virtual override {
        super._setupRole(role, account);
        _roleMembers[role].add(account);
    }
}

File 4 of 31 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 5 of 31 : IRevest.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

interface IRevest {
    event FNFTTimeLockMinted(
        address indexed asset,
        address indexed from,
        uint indexed fnftId,
        uint endTime,
        uint[] quantities,
        FNFTConfig fnftConfig
    );

    event FNFTValueLockMinted(
        address indexed primaryAsset,
        address indexed from,
        uint indexed fnftId,
        address compareTo,
        address oracleDispatch,
        uint[] quantities,
        FNFTConfig fnftConfig
    );

    event FNFTAddressLockMinted(
        address indexed asset,
        address indexed from,
        uint indexed fnftId,
        address trigger,
        uint[] quantities,
        FNFTConfig fnftConfig
    );

    event FNFTWithdrawn(
        address indexed from,
        uint indexed fnftId,
        uint indexed quantity
    );

    event FNFTSplit(
        address indexed from,
        uint[] indexed newFNFTId,
        uint[] indexed proportions,
        uint quantity
    );

    event FNFTUnlocked(
        address indexed from,
        uint indexed fnftId
    );

    event FNFTMaturityExtended(
        address indexed from,
        uint indexed fnftId,
        uint indexed newExtendedTime
    );

    event FNFTAddionalDeposited(
        address indexed from,
        uint indexed newFNFTId,
        uint indexed quantity,
        uint amount
    );

    struct FNFTConfig {
        address asset; // The token being stored
        address pipeToContract; // Indicates if FNFT will pipe to another contract
        uint depositAmount; // How many tokens
        uint depositMul; // Deposit multiplier
        uint split; // Number of splits remaining
        uint depositStopTime; //
        bool maturityExtension; // Maturity extensions remaining
        bool isMulti; //
        bool nontransferrable; // False by default (transferrable) //
    }

    // Refers to the global balance for an ERC20, encompassing possibly many FNFTs
    struct TokenTracker {
        uint lastBalance;
        uint lastMul;
    }

    enum LockType {
        DoesNotExist,
        TimeLock,
        ValueLock,
        AddressLock
    }

    struct LockParam {
        address addressLock;
        uint timeLockExpiry;
        LockType lockType;
        ValueLock valueLock;
    }

    struct Lock {
        address addressLock;
        LockType lockType;
        ValueLock valueLock;
        uint timeLockExpiry;
        uint creationTime;
        bool unlocked;
    }

    struct ValueLock {
        address asset;
        address compareTo;
        address oracle;
        uint unlockValue;
        bool unlockRisingEdge;
    }

    function mintTimeLock(
        uint endTime,
        address[] memory recipients,
        uint[] memory quantities,
        IRevest.FNFTConfig memory fnftConfig
    ) external payable returns (uint);

    function mintValueLock(
        address primaryAsset,
        address compareTo,
        uint unlockValue,
        bool unlockRisingEdge,
        address oracleDispatch,
        address[] memory recipients,
        uint[] memory quantities,
        IRevest.FNFTConfig memory fnftConfig
    ) external payable returns (uint);

    function mintAddressLock(
        address trigger,
        bytes memory arguments,
        address[] memory recipients,
        uint[] memory quantities,
        IRevest.FNFTConfig memory fnftConfig
    ) external payable returns (uint);

    function withdrawFNFT(uint tokenUID, uint quantity) external;

    function unlockFNFT(uint tokenUID) external;

    function splitFNFT(
        uint fnftId,
        uint[] memory proportions,
        uint quantity
    ) external returns (uint[] memory newFNFTIds);

    function depositAdditionalToFNFT(
        uint fnftId,
        uint amount,
        uint quantity
    ) external returns (uint);

    function setFlatWeiFee(uint wethFee) external;

    function setERC20Fee(uint erc20) external;

    function getFlatWeiFee() external returns (uint);

    function getERC20Fee() external returns (uint);


}

File 6 of 31 : ILockManager.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

import "./IRevest.sol";

interface ILockManager {

    function createLock(uint fnftId, IRevest.LockParam memory lock) external returns (uint);

    function getLock(uint lockId) external view returns (IRevest.Lock memory);

    function fnftIdToLockId(uint fnftId) external view returns (uint);

    function fnftIdToLock(uint fnftId) external view returns (IRevest.Lock memory);

    function pointFNFTToLock(uint fnftId, uint lockId) external;

    function lockTypes(uint tokenId) external view returns (IRevest.LockType);

    function unlockFNFT(uint fnftId, address sender) external returns (bool);

    function getLockMaturity(uint fnftId) external view returns (bool);
}

File 7 of 31 : IOracleDispatch.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

interface IOracleDispatch {

    // Attempts to update oracle and returns true if successful. Returns true if update unnecessary
    function updateOracle(address asset, address compareTo) external returns (bool);

    // Will return true if oracle does not need to be poked or if poke was successful
    function pokeOracle(address asset, address compareTo) external returns (bool);

    // Will return true if oracle already initialized, if oracle has successfully been initialized by this call,
    // or if oracle does not need to be initialized
    function initializeOracle(address asset, address compareTo) external returns (bool);

    // Gets the value of the asset
    // Oracle = the oracle address in specific. Optional parameter
    // Inverted pair = whether or not this call represents an inversion of typical type (ERC20 underlying, USDC compareTo) to (USDC underlying, ERC20 compareTo)
    // Must take inverse of value in this case to get REAL value
    function getValueOfAsset(
        address asset,
        address compareTo,
        bool risingEdge
    )  external view returns (uint);

    // Does this oracle need to be updated prior to our reading the price?
    // Return false if we are within desired time period
    // Or if this type of oracle does not require updates
    function oracleNeedsUpdates(address asset, address compareTo) external view returns (bool);

    // Does this oracle need to be poked prior to update and withdrawal?
    function oracleNeedsPoking(address asset, address compareTo) external view returns (bool);

    function oracleNeedsInitialization(address asset, address compareTo) external view returns (bool);

    //Only ever called if oracle needs initialization
    function canOracleBeCreatedForRoute(address asset, address compareTo) external view returns (bool);

    // How long to wait after poking the oracle before you can update it again and withdraw
    function getTimePeriodAfterPoke(address asset, address compareTo) external view returns (uint);

    // Returns a direct reference to the address that the specific contract for this pair is registered at
    function getOracleForPair(address asset, address compareTo) external view returns (address);

    // Returns a boolean if this oracle can provide data for the requested pair, used during FNFT creation
    function getPairHasOracle(address asset, address compareTo) external view returns (bool);

    //Returns the instantaneous price of asset and the decimals for that price
    function getInstantPrice(address asset, address compareTo) external view returns (uint);
}

File 8 of 31 : IUniswapV2Pair.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity ^0.8.0;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);

    function symbol() external pure returns (string memory);

    function decimals() external pure returns (uint);

    function totalSupply() external view returns (uint);

    function balanceOf(address owner) external view returns (uint);

    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);

    function transfer(address to, uint value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint);

    function permit(
        address owner,
        address spender,
        uint value,
        uint deadline,
        uint v,
        bytes32 r,
        bytes32 s
    ) external;

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to);
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (
            uint112 reserve0,
            uint112 reserve1,
            uint32 blockTimestampLast
        );

    function price0CumulativeLast() external view returns (uint);

    function price1CumulativeLast() external view returns (uint);

    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);

    function burn(address to) external returns (uint amount0, uint amount1);

    function swap(
        uint amount0Out,
        uint amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

File 9 of 31 : RevestAccessControl.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "../interfaces/IAddressRegistry.sol";
import "../interfaces/ILockManager.sol";
import "../interfaces/IRewardsHandler.sol";
import "../interfaces/ITokenVault.sol";
import "../interfaces/IRevestToken.sol";
import "../interfaces/IFNFTHandler.sol";
import "../lib/uniswap/IUniswapV2Factory.sol";
import "../interfaces/IInterestHandler.sol";


contract RevestAccessControl is Ownable {
    IAddressRegistry internal addressesProvider;
    address addressProvider;

    constructor(address provider) Ownable() {
        addressesProvider = IAddressRegistry(provider);
        addressProvider = provider;
    }

    modifier onlyRevest() {
        require(_msgSender() != address(0), "E004");
        require(
                _msgSender() == addressesProvider.getLockManager() ||
                _msgSender() == addressesProvider.getRewardsHandler() ||
                _msgSender() == addressesProvider.getTokenVault() ||
                _msgSender() == addressesProvider.getRevest() ||
                _msgSender() == addressesProvider.getRevestToken(),
            "E016"
        );
        _;
    }

    modifier onlyRevestController() {
        require(_msgSender() != address(0), "E004");
        require(_msgSender() == addressesProvider.getRevest(), "E017");
        _;
    }

    modifier onlyTokenVault() {
        require(_msgSender() != address(0), "E004");
        require(_msgSender() == addressesProvider.getTokenVault(), "E017");
        _;
    }

    function setAddressRegistry(address registry) external onlyOwner {
        addressesProvider = IAddressRegistry(registry);
    }

    function getAdmin() internal view returns (address) {
        return addressesProvider.getAdmin();
    }

    function getRevest() internal view returns (IRevest) {
        return IRevest(addressesProvider.getRevest());
    }

    function getRevestToken() internal view returns (IRevestToken) {
        return IRevestToken(addressesProvider.getRevestToken());
    }

    function getLockManager() internal view returns (ILockManager) {
        return ILockManager(addressesProvider.getLockManager());
    }

    function getTokenVault() internal view returns (ITokenVault) {
        return ITokenVault(addressesProvider.getTokenVault());
    }

    function getUniswapV2() internal view returns (IUniswapV2Factory) {
        return IUniswapV2Factory(addressesProvider.getDEX(0));
    }

    function getFNFTHandler() internal view returns (IFNFTHandler) {
        return IFNFTHandler(addressesProvider.getRevestFNFT());
    }

    function getRewardsHandler() internal view returns (IRewardsHandler) {
        return IRewardsHandler(addressesProvider.getRewardsHandler());
    }
}

File 10 of 31 : IAddressLock.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

import "./IRegistryProvider.sol";
import '@openzeppelin/contracts/utils/introspection/IERC165.sol';

/**
 * @title Provider interface for Revest FNFTs
 * @dev Address locks MUST be non-upgradeable to be considered for trusted status
 * @author Revest
 */
interface IAddressLock is IRegistryProvider, IERC165{

    /// Creates a lock to the specified lockID
    /// @param fnftId the fnftId to map this lock to. Not recommended for typical locks, as it will break on splitting
    /// @param lockId the lockId to map this lock to. Recommended uint for storing references to lock configurations
    /// @param arguments an abi.encode() bytes array. Allows frontend to encode and pass in an arbitrary set of parameters
    /// @dev creates a lock for the specified lockId. Will be called during the creation process for address locks when the address
    ///      of a contract implementing this interface is passed in as the "trigger" address for minting an address lock. The bytes
    ///      representing any parameters this lock requires are passed through to this method, where abi.decode must be call on them
    function createLock(uint fnftId, uint lockId, bytes memory arguments) external;

    /// Updates a lock at the specified lockId
    /// @param fnftId the fnftId that can map to a lock config stored in implementing contracts. Not recommended, as it will break on splitting
    /// @param lockId the lockId that maps to the lock config which should be updated. Recommended for retrieving references to lock configurations
    /// @param arguments an abi.encode() bytes array. Allows frontend to encode and pass in an arbitrary set of parameters
    /// @dev updates a lock for the specified lockId. Will be called by the frontend from the information section if an update is requested
    ///      can further accept and decode parameters to use in modifying the lock's config or triggering other actions
    ///      such as triggering an on-chain oracle to update
    function updateLock(uint fnftId, uint lockId, bytes memory arguments) external;

    /// Whether or not the lock can be unlocked
    /// @param fnftId the fnftId that can map to a lock config stored in implementing contracts. Not recommended, as it will break on splitting
    /// @param lockId the lockId that maps to the lock config which should be updated. Recommended for retrieving references to lock configurations
    /// @dev this method is called during the unlocking and withdrawal processes by the Revest contract - it is also used by the frontend
    ///      if this method is returning true and someone attempts to unlock or withdraw from an FNFT attached to the requested lock, the request will succeed
    /// @return whether or not this lock may be unlocked
    function isUnlockable(uint fnftId, uint lockId) external view returns (bool);

    /// Provides an encoded bytes arary that represents values this lock wants to display on the info screen
    /// Info to decode these values is provided in the metadata file
    /// @param fnftId the fnftId that can map to a lock config stored in implementing contracts. Not recommended, as it will break on splitting
    /// @param lockId the lockId that maps to the lock config which should be updated. Recommended for retrieving references to lock configurations
    /// @dev used by the frontend to fetch on-chain data on the state of any given lock
    /// @return a bytes array that represents the result of calling abi.encode on values which the developer wants to appear on the frontend
    function getDisplayValues(uint fnftId, uint lockId) external view returns (bytes memory);

    /// Maps to a URL, typically IPFS-based, that contains information on how to encode and decode paramters sent to and from this lock
    /// Please see additional documentation for JSON config info
    /// @dev this method will be called by the frontend only but is crucial to properly implement for proper minting and information workflows
    /// @return a URL to the JSON file containing this lock's metadata schema
    function getMetadata() external view returns (string memory);

    /// Whether or not this lock will need updates and should display the option for them
    /// @dev this will be called by the frontend to determine if update inputs and buttons should be displayed
    /// @return whether or not the locks created by this contract will need updates
    function needsUpdate() external view returns (bool);
}

File 11 of 31 : ERC165Checker.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Library used to query support of an interface declared via {IERC165}.
 *
 * Note that these functions return the actual result of the query: they do not
 * `revert` if an interface is not supported. It is up to the caller to decide
 * what to do in these cases.
 */
library ERC165Checker {
    // As per the EIP-165 spec, no interface should ever match 0xffffffff
    bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;

    /**
     * @dev Returns true if `account` supports the {IERC165} interface,
     */
    function supportsERC165(address account) internal view returns (bool) {
        // Any contract that implements ERC165 must explicitly indicate support of
        // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid
        return
            _supportsERC165Interface(account, type(IERC165).interfaceId) &&
            !_supportsERC165Interface(account, _INTERFACE_ID_INVALID);
    }

    /**
     * @dev Returns true if `account` supports the interface defined by
     * `interfaceId`. Support for {IERC165} itself is queried automatically.
     *
     * See {IERC165-supportsInterface}.
     */
    function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {
        // query support of both ERC165 as per the spec and support of _interfaceId
        return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);
    }

    /**
     * @dev Returns a boolean array where each value corresponds to the
     * interfaces passed in and whether they're supported or not. This allows
     * you to batch check interfaces for a contract where your expectation
     * is that some interfaces may not be supported.
     *
     * See {IERC165-supportsInterface}.
     *
     * _Available since v3.4._
     */
    function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)
        internal
        view
        returns (bool[] memory)
    {
        // an array of booleans corresponding to interfaceIds and whether they're supported or not
        bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);

        // query support of ERC165 itself
        if (supportsERC165(account)) {
            // query support of each interface in interfaceIds
            for (uint256 i = 0; i < interfaceIds.length; i++) {
                interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);
            }
        }

        return interfaceIdsSupported;
    }

    /**
     * @dev Returns true if `account` supports all the interfaces defined in
     * `interfaceIds`. Support for {IERC165} itself is queried automatically.
     *
     * Batch-querying can lead to gas savings by skipping repeated checks for
     * {IERC165} support.
     *
     * See {IERC165-supportsInterface}.
     */
    function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {
        // query support of ERC165 itself
        if (!supportsERC165(account)) {
            return false;
        }

        // query support of each interface in _interfaceIds
        for (uint256 i = 0; i < interfaceIds.length; i++) {
            if (!_supportsERC165Interface(account, interfaceIds[i])) {
                return false;
            }
        }

        // all interfaces supported
        return true;
    }

    /**
     * @notice Query if a contract implements an interface, does not check ERC165 support
     * @param account The address of the contract to query for support of an interface
     * @param interfaceId The interface identifier, as specified in ERC-165
     * @return true if the contract at account indicates support of the interface with
     * identifier interfaceId, false otherwise
     * @dev Assumes that account contains a contract that supports ERC165, otherwise
     * the behavior of this method is undefined. This precondition can be checked
     * with {supportsERC165}.
     * Interface identification is specified in ERC-165.
     */
    function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {
        bytes memory encodedParams = abi.encodeWithSelector(IERC165(account).supportsInterface.selector, interfaceId);
        (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams);
        if (result.length < 32) return false;
        return success && abi.decode(result, (bool));
    }
}

File 12 of 31 : IERC1155.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

File 13 of 31 : IERC1155Receiver.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
        @dev Handles the receipt of a single ERC1155 token type. This function is
        called at the end of a `safeTransferFrom` after the balance has been updated.
        To accept the transfer, this must return
        `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
        (i.e. 0xf23a6e61, or its own function selector).
        @param operator The address which initiated the transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param id The ID of the token being transferred
        @param value The amount of tokens being transferred
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
    */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
        @dev Handles the receipt of a multiple ERC1155 token types. This function
        is called at the end of a `safeBatchTransferFrom` after the balances have
        been updated. To accept the transfer(s), this must return
        `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
        (i.e. 0xbc197c81, or its own function selector).
        @param operator The address which initiated the batch transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param ids An array containing ids of each token being transferred (order and length must match values array)
        @param values An array containing amounts of each token being transferred (order and length must match ids array)
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
    */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

File 14 of 31 : IERC1155MetadataURI.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC1155.sol";

/**
 * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
 * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155MetadataURI is IERC1155 {
    /**
     * @dev Returns the URI for token type `id`.
     *
     * If the `\{id\}` substring is present in the URI, it must be replaced by
     * clients with the actual token type ID.
     */
    function uri(uint256 id) external view returns (string memory);
}

File 15 of 31 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 16 of 31 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 17 of 31 : ERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 18 of 31 : IERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 19 of 31 : AccessControl.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    function hasRole(bytes32 role, address account) external view returns (bool);

    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    function grantRole(bytes32 role, address account) external;

    function revokeRole(bytes32 role, address account) external;

    function renounceRole(bytes32 role, address account) external;
}

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{20}) is missing role (0x[0-9a-f]{32})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{20}) is missing role (0x[0-9a-f]{32})$/
     */
    function _checkRole(bytes32 role, address account) internal view {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        emit RoleAdminChanged(role, getRoleAdmin(role), adminRole);
        _roles[role].adminRole = adminRole;
    }

    function _grantRole(bytes32 role, address account) private {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    function _revokeRole(bytes32 role, address account) private {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

File 20 of 31 : EnumerableSet.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

File 21 of 31 : Strings.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 22 of 31 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 23 of 31 : IAddressRegistry.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

/**
 * @title Provider interface for Revest FNFTs
 * @dev
 *
 */
interface IAddressRegistry {

    function initialize(
        address lock_manager_,
        address liquidity_,
        address revest_token_,
        address token_vault_,
        address revest_,
        address fnft_,
        address metadata_,
        address admin_,
        address rewards_
    ) external;

    function getAdmin() external view returns (address);

    function setAdmin(address admin) external;

    function getLockManager() external view returns (address);

    function setLockManager(address manager) external;

    function getTokenVault() external view returns (address);

    function setTokenVault(address vault) external;

    function getRevestFNFT() external view returns (address);

    function setRevestFNFT(address fnft) external;

    function getMetadataHandler() external view returns (address);

    function setMetadataHandler(address metadata) external;

    function getRevest() external view returns (address);

    function setRevest(address revest) external;

    function getDEX(uint index) external view returns (address);

    function setDex(address dex) external;

    function getRevestToken() external view returns (address);

    function setRevestToken(address token) external;

    function getRewardsHandler() external view returns(address);

    function setRewardsHandler(address esc) external;

    function getAddress(bytes32 id) external view returns (address);

    function getLPs() external view returns (address);

    function setLPs(address liquidToken) external;

}

File 24 of 31 : IRewardsHandler.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

interface IRewardsHandler {

    struct UserBalance {
        uint allocPoint; // Allocation points
        uint lastMul;
    }

    function receiveFee(address token, uint amount) external;

    function updateLPShares(uint fnftId, uint newShares) external;

    function updateBasicShares(uint fnftId, uint newShares) external;

    function getAllocPoint(uint fnftId, address token, bool isBasic) external view returns (uint);

    function claimRewards(uint fnftId, address caller) external returns (uint);

    function setStakingContract(address stake) external;

    function getRewards(uint fnftId, address token) external view returns (uint);
}

File 25 of 31 : ITokenVault.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

import "./IRevest.sol";

interface ITokenVault {

    function createFNFT(
        uint fnftId,
        IRevest.FNFTConfig memory fnftConfig,
        uint quantity,
        address from
    ) external;

    function withdrawToken(
        uint fnftId,
        uint quantity,
        address user
    ) external;

    function depositToken(
        uint fnftId,
        uint amount,
        uint quantity
    ) external;

    function cloneFNFTConfig(IRevest.FNFTConfig memory old) external returns (IRevest.FNFTConfig memory);

    function mapFNFTToToken(
        uint fnftId,
        IRevest.FNFTConfig memory fnftConfig
    ) external;

    function handleMultipleDeposits(
        uint fnftId,
        uint newFNFTId,
        uint amount
    ) external;

    function splitFNFT(
        uint fnftId,
        uint[] memory newFNFTIds,
        uint[] memory proportions,
        uint quantity
    ) external;

    function getFNFT(uint fnftId) external view returns (IRevest.FNFTConfig memory);
    function getFNFTCurrentValue(uint fnftId) external view returns (uint);
    function getNontransferable(uint fnftId) external view returns (bool);
    function getSplitsRemaining(uint fnftId) external view returns (uint);
}

File 26 of 31 : IRevestToken.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IRevestToken is IERC20 {

}

File 27 of 31 : IFNFTHandler.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity >=0.8.0;


interface IFNFTHandler  {
    function mint(address account, uint id, uint amount, bytes memory data) external;

    function mintBatchRec(address[] memory recipients, uint[] memory quantities, uint id, uint newSupply, bytes memory data) external;

    function mintBatch(address to, uint[] memory ids, uint[] memory amounts, bytes memory data) external;

    function setURI(string memory newuri) external;

    function burn(address account, uint id, uint amount) external;

    function burnBatch(address account, uint[] memory ids, uint[] memory amounts) external;

    function getBalance(address tokenHolder, uint id) external view returns (uint);

    function getSupply(uint fnftId) external view returns (uint);

    function getNextId() external view returns (uint);
}

File 28 of 31 : IUniswapV2Factory.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);

    function allPairs(uint) external view returns (address pair);

    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

File 29 of 31 : IInterestHandler.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity ^0.8.0;

interface IInterestHandler  {

    function registerDeposit(uint fnftId) external;

    function getPrincipal(uint fnftId) external view returns (uint);

    function getInterest(uint fnftId) external view returns (uint);

    function getAmountToWithdraw(uint fnftId) external view returns (uint);

    function getUnderlyingToken(uint fnftId) external view returns (address);

    function getUnderlyingValue(uint fnftId) external view returns (uint);

    //These methods exist for external operations
    function getPrincipalDetail(uint historic, uint amount, address asset) external view returns (uint);

    function getInterestDetail(uint historic, uint amount, address asset) external view returns (uint);

    function getUnderlyingTokenDetail(address asset) external view returns (address);

    function getInterestRate(address asset) external view returns (uint);

}

File 30 of 31 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 31 of 31 : IRegistryProvider.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity ^0.8.0;

import "../interfaces/IAddressRegistry.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "../interfaces/ILockManager.sol";
import "../interfaces/ITokenVault.sol";
import "../lib/uniswap/IUniswapV2Factory.sol";

interface IRegistryProvider {
    function setAddressRegistry(address revest) external;

    function getAddressRegistry() external view returns (address);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"provider","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"inputs":[],"name":"ADDRESS_LOCK_INTERFACE_ID","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"fnftId","type":"uint256"},{"components":[{"internalType":"address","name":"addressLock","type":"address"},{"internalType":"uint256","name":"timeLockExpiry","type":"uint256"},{"internalType":"enum IRevest.LockType","name":"lockType","type":"uint8"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"compareTo","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"uint256","name":"unlockValue","type":"uint256"},{"internalType":"bool","name":"unlockRisingEdge","type":"bool"}],"internalType":"struct IRevest.ValueLock","name":"valueLock","type":"tuple"}],"internalType":"struct IRevest.LockParam","name":"lock","type":"tuple"}],"name":"createLock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fnftId","type":"uint256"}],"name":"fnftIdToLock","outputs":[{"components":[{"internalType":"address","name":"addressLock","type":"address"},{"internalType":"enum IRevest.LockType","name":"lockType","type":"uint8"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"compareTo","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"uint256","name":"unlockValue","type":"uint256"},{"internalType":"bool","name":"unlockRisingEdge","type":"bool"}],"internalType":"struct IRevest.ValueLock","name":"valueLock","type":"tuple"},{"internalType":"uint256","name":"timeLockExpiry","type":"uint256"},{"internalType":"uint256","name":"creationTime","type":"uint256"},{"internalType":"bool","name":"unlocked","type":"bool"}],"internalType":"struct IRevest.Lock","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"fnftIdToLockId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"lockId","type":"uint256"}],"name":"getLock","outputs":[{"components":[{"internalType":"address","name":"addressLock","type":"address"},{"internalType":"enum IRevest.LockType","name":"lockType","type":"uint8"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"compareTo","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"uint256","name":"unlockValue","type":"uint256"},{"internalType":"bool","name":"unlockRisingEdge","type":"bool"}],"internalType":"struct IRevest.ValueLock","name":"valueLock","type":"tuple"},{"internalType":"uint256","name":"timeLockExpiry","type":"uint256"},{"internalType":"uint256","name":"creationTime","type":"uint256"},{"internalType":"bool","name":"unlocked","type":"bool"}],"internalType":"struct IRevest.Lock","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"fnftId","type":"uint256"}],"name":"getLockMaturity","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"lockTypes","outputs":[{"internalType":"enum IRevest.LockType","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"locks","outputs":[{"internalType":"address","name":"addressLock","type":"address"},{"internalType":"enum IRevest.LockType","name":"lockType","type":"uint8"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"compareTo","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"uint256","name":"unlockValue","type":"uint256"},{"internalType":"bool","name":"unlockRisingEdge","type":"bool"}],"internalType":"struct IRevest.ValueLock","name":"valueLock","type":"tuple"},{"internalType":"uint256","name":"timeLockExpiry","type":"uint256"},{"internalType":"uint256","name":"creationTime","type":"uint256"},{"internalType":"bool","name":"unlocked","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numLocks","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"fnftId","type":"uint256"},{"internalType":"uint256","name":"lockId","type":"uint256"}],"name":"pointFNFTToLock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"registry","type":"address"}],"name":"setAddressRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fnftId","type":"uint256"},{"internalType":"address","name":"sender","type":"address"}],"name":"unlockFNFT","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000d721a90dd7e010c8c5e022cc0100c55ac78e0fc4

-----Decoded View---------------
Arg [0] : provider (address): 0xD721A90dd7e010c8C5E022cc0100c55aC78E0FC4

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000d721a90dd7e010c8c5e022cc0100c55ac78e0fc4


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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.