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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./DealProviderState.sol";
import "../Provider/BasicProvider.sol";
import "@poolzfinance/poolz-helper-v2/contracts/CalcUtils.sol";

contract DealProvider is DealProviderState, BasicProvider {
    using CalcUtils for uint256;

    constructor(ILockDealNFT _nftContract) {
        require(address(_nftContract) != address(0x0), "invalid address");
        lockDealNFT = _nftContract;
        name = "DealProvider";
    }

    function _withdraw(
        uint256 poolId,
        uint256 amount
    ) internal override firewallProtectedSig(0x9e2bf22c) returns (uint256 withdrawnAmount, bool isFinal) {
        if (poolIdToAmount[poolId] >= amount) {
            poolIdToAmount[poolId] -= amount;
            withdrawnAmount = amount;
            isFinal = poolIdToAmount[poolId] == 0;
        }
    }

    /// @dev Splits a pool into two pools. Used by the LockedDealNFT contract or Provider
    function split(uint256 oldPoolId, uint256 newPoolId, uint256 ratio) external override firewallProtected onlyProvider {
        uint256 splitAmount = poolIdToAmount[oldPoolId].calcAmount(ratio);
        require(poolIdToAmount[oldPoolId] >= splitAmount, "Split amount exceeds the available amount");
        poolIdToAmount[oldPoolId] -= splitAmount;
        poolIdToAmount[newPoolId] = splitAmount;
    }

    /**@dev Providers overrides this function to add additional parameters when creating a pool.
     * @param poolId The ID of the pool.
     * @param params An array of additional parameters.
     */
    function _registerPool(uint256 poolId, uint256[] calldata params) internal override firewallProtectedSig(0x677df66b) {
        poolIdToAmount[poolId] = params[0];
        emit UpdateParams(poolId, params);
    }

    function getParams(uint256 poolId) external view override returns (uint256[] memory params) {
        uint256 leftAmount = poolIdToAmount[poolId];
        params = new uint256[](1);
        params[0] = leftAmount; // leftAmount
    }

    function getWithdrawableAmount(uint256 poolId) public view override returns (uint256) {
        return poolIdToAmount[poolId];
    }
}

// SPDX-License-Identifier: UNLICENSED
// See LICENSE file for full license text.
// Copyright (c) Ironblocks 2024
pragma solidity ^0.8;

import {FirewallConsumerBase} from "./FirewallConsumerBase.sol";

/**
 * @title Firewall Consumer
 * @author David Benchimol @ Ironblocks
 * @dev This contract is a parent contract that can be used to add firewall protection to any contract.
 *
 * The contract must initializes with the firewall contract disabled, and the deployer
 * as the firewall admin.
 *
 */
contract FirewallConsumer is FirewallConsumerBase(address(0), msg.sender) {
}

// SPDX-License-Identifier: UNLICENSED
// See LICENSE file for full license text.
// Copyright (c) Ironblocks 2024
pragma solidity ^0.8;

import {ERC165Checker} from "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {IFirewall} from "./interfaces/IFirewall.sol";
import {IFirewallConsumer} from "./interfaces/IFirewallConsumer.sol";

/**
 * @title Firewall Consumer Base Contract
 * @author David Benchimol @ Ironblocks
 * @dev This contract is a parent contract that can be used to add firewall protection to any contract.
 *
 * The contract must define a firewall contract which will manage the policies that are applied to the contract.
 * It also must define a firewall admin which will be able to add and remove policies.
 *
 */
contract FirewallConsumerBase is IFirewallConsumer, Context {

    // This slot is used to store the firewall address
    bytes32 private constant FIREWALL_STORAGE_SLOT = bytes32(uint256(keccak256("eip1967.firewall")) - 1);

    // This slot is used to store the firewall admin address
    bytes32 private constant FIREWALL_ADMIN_STORAGE_SLOT = bytes32(uint256(keccak256("eip1967.firewall.admin")) - 1);

    // This slot is used to store the new firewall admin address (when changing admin)
    bytes32 private constant NEW_FIREWALL_ADMIN_STORAGE_SLOT = bytes32(uint256(keccak256("eip1967.new.firewall.admin")) - 1);
    bytes4 private constant SUPPORTS_APPROVE_VIA_SIGNATURE_INTERFACE_ID = bytes4(0x0c908cff); // sighash of approveCallsViaSignature

    // This slot is special since it's used for mappings and not a single value
    bytes32 private constant APPROVED_TARGETS_MAPPING_SLOT = bytes32(uint256(keccak256("eip1967.approved.targets")) - 1);

    event FirewallAdminUpdated(address newAdmin);
    event FirewallUpdated(address newFirewall);

    /**
     * @dev modifier that will run the preExecution and postExecution hooks of the firewall, applying each of
     * the subscribed policies.
     *
     * NOTE: Applying this modifier on functions that exit execution flow by an inline assmebly "return" call will
     * prevent the postExecution hook from running - breaking the protection provided by the firewall.
     * If you have any questions, please refer to the Firewall's documentation and/or contact our support.
     */
    modifier firewallProtected() {
        address firewall = _getAddressBySlot(FIREWALL_STORAGE_SLOT);
        if (firewall == address(0)) {
            _;
            return;
        }
        uint256 value = _msgValue();
        IFirewall(firewall).preExecution(_msgSender(), _msgData(), value);
        _;
        IFirewall(firewall).postExecution(_msgSender(), _msgData(), value);
    }

    /**
     * @dev modifier that will run the preExecution and postExecution hooks of the firewall, applying each of
     * the subscribed policies. Allows passing custom data to the firewall, not necessarily msg.data.
     * Useful for checking internal function calls
     *
     * @param data custom data to be passed to the firewall
     * NOTE: Using this modifier affects the data that is passed to the firewall, and as such it is mainly meant
     * to be used by internal functions, and only in conjuction with policies that whose protection strategy
     * requires this data.
     *
     * Using this modifier incorrectly may result in unexpected behavior.
     *
     * If you have any questions on how or when to use this modifier, please refer to the Firewall's documentation
     * and/or contact our support.
     *
     * NOTE: Applying this modifier on functions that exit execution flow by an inline assmebly "return" call will
     * prevent the postExecution hook from running - breaking the protection provided by the firewall.
     * If you have any questions, please refer to the Firewall's documentation and/or contact our support.
     */
    modifier firewallProtectedCustom(bytes memory data) {
        address firewall = _getAddressBySlot(FIREWALL_STORAGE_SLOT);
        if (firewall == address(0)) {
            _;
            return;
        }
        uint256 value = _msgValue();
        IFirewall(firewall).preExecution(_msgSender(), data, value);
        _;
        IFirewall(firewall).postExecution(_msgSender(), data, value);
    }

    /**
     * @dev identical to the rest of the modifiers in terms of logic, but makes it more
     * aesthetic when all you want to pass are signatures/unique identifiers.
     *
     * @param selector unique identifier for the function
     *
     * NOTE: Using this modifier affects the data that is passed to the firewall, and as such it is mainly to
     * be used by policies that whose protection strategy relies on the function's signature hahs.
     *
     * Using this modifier incorrectly may result in unexpected behavior.
     *
     * If you have any questions on how or when to use this modifier, please refer to the Firewall's documentation
     * and/or contact our support.
     *
     * NOTE: Applying this modifier on functions that exit execution flow by an inline assmebly "return" call will
     * prevent the postExecution hook from running - breaking the protection provided by the firewall.
     * If you have any questions, please refer to the Firewall's documentation and/or contact our support.
     */
    modifier firewallProtectedSig(bytes4 selector) {
        address firewall = _getAddressBySlot(FIREWALL_STORAGE_SLOT);
        if (firewall == address(0)) {
            _;
            return;
        }
        uint256 value = _msgValue();
        IFirewall(firewall).preExecution(_msgSender(), abi.encodePacked(selector), value);
        _;
        IFirewall(firewall).postExecution(_msgSender(), abi.encodePacked(selector), value);
    }

    /**
     * @dev modifier that will run the preExecution and postExecution hooks of the firewall invariant policy,
     * applying the subscribed invariant policy
     *
     * NOTE: Applying this modifier on functions that exit execution flow by an inline assmebly "return" call will
     * prevent the postExecution hook from running - breaking the protection provided by the firewall.
     * If you have any questions, please refer to the Firewall's documentation and/or contact our support.
     */
    modifier invariantProtected() {
        address firewall = _getAddressBySlot(FIREWALL_STORAGE_SLOT);
        if (firewall == address(0)) {
            _;
            return;
        }
        uint256 value = _msgValue();
        bytes32[] memory storageSlots = IFirewall(firewall).preExecutionPrivateInvariants(_msgSender(), _msgData(), value);
        bytes32[] memory preValues = _readStorage(storageSlots);
        _;
        bytes32[] memory postValues = _readStorage(storageSlots);
        IFirewall(firewall).postExecutionPrivateInvariants(_msgSender(), _msgData(), value, preValues, postValues);
    }


    /**
     * @dev modifier asserting that the target is approved
     * @param target address of the target
     */
    modifier onlyApprovedTarget(address target) {
        // We use the same logic that solidity uses for mapping locations, but we add a pseudorandom
        // constant "salt" instead of a constant placeholder so that there are no storage collisions
        // if adding this to an upgradeable contract implementation
        bytes32 _slot = keccak256(abi.encode(APPROVED_TARGETS_MAPPING_SLOT, target));
        bool isApprovedTarget = _getValueBySlot(_slot) != bytes32(0);
        require(isApprovedTarget, "FirewallConsumer: Not approved target");
        require(ERC165Checker.supportsERC165InterfaceUnchecked(target, SUPPORTS_APPROVE_VIA_SIGNATURE_INTERFACE_ID));
        _;
    }

    /**
     * @dev modifier similar to onlyOwner, but for the firewall admin.
     */
    modifier onlyFirewallAdmin() {
        require(msg.sender == _getAddressBySlot(FIREWALL_ADMIN_STORAGE_SLOT), "FirewallConsumer: not firewall admin");
        _;
    }

    /**
     * @dev Initializes a contract protected by a firewall, with a firewall address and a firewall admin.
     */
    constructor(
        address _firewall,
        address _firewallAdmin
    ) {
        _setAddressBySlot(FIREWALL_STORAGE_SLOT, _firewall);
        _setAddressBySlot(FIREWALL_ADMIN_STORAGE_SLOT, _firewallAdmin);
    }

    /**
     * @dev Allows calling an approved external target before executing a method.
     *
     * This can be used for multiple purposes, but the initial one is to call `approveCallsViaSignature` before
     * executing a function, allowing synchronous transaction approvals.
     *
     * @param target address of the target
     * @param targetPayload payload to be sent to the target
     * @param data data to be executed after the target call
     */
    function safeFunctionCall(
        address target,
        bytes calldata targetPayload,
        bytes calldata data
    ) external payable onlyApprovedTarget(target) {
        (bool success, ) = target.call(targetPayload);
        require(success);
        require(msg.sender == _msgSender(), "FirewallConsumer: No meta transactions");
        Address.functionDelegateCall(address(this), data);
    }

    /**
     * @dev Allows firewall admin to set approved targets.
     * IMPORTANT: Only set approved target if you know what you're doing. Anyone can cause this contract
     * to send any data to an approved target.
     *
     * @param target address of the target
     * @param status status of the target
     */
    function setApprovedTarget(address target, bool status) external onlyFirewallAdmin {
        bytes32 _slot = keccak256(abi.encode(APPROVED_TARGETS_MAPPING_SLOT, target));
        assembly {
            sstore(_slot, status)
        }
    }

    /**
     * @dev View function for the firewall admin
     */
    function firewallAdmin() external override view returns (address) {
        return _getAddressBySlot(FIREWALL_ADMIN_STORAGE_SLOT);
    }

    /**
     * @dev Admin only function allowing the consumers admin to set the firewall address.
     * @param _firewall address of the firewall
     */
    function setFirewall(address _firewall) external onlyFirewallAdmin {
        _setAddressBySlot(FIREWALL_STORAGE_SLOT, _firewall);
        emit FirewallUpdated(_firewall);
    }

    /**
     * @dev Admin only function, sets new firewall admin. New admin must accept.
     * @param _firewallAdmin address of the new firewall admin
     */
    function setFirewallAdmin(address _firewallAdmin) external onlyFirewallAdmin {
        require(_firewallAdmin != address(0), "FirewallConsumer: zero address");
        _setAddressBySlot(NEW_FIREWALL_ADMIN_STORAGE_SLOT, _firewallAdmin);
    }

    /**
     * @dev Accept the role as firewall admin.
     */
    function acceptFirewallAdmin() external {
        require(msg.sender == _getAddressBySlot(NEW_FIREWALL_ADMIN_STORAGE_SLOT), "FirewallConsumer: not new admin");
        _setAddressBySlot(FIREWALL_ADMIN_STORAGE_SLOT, msg.sender);
        emit FirewallAdminUpdated(msg.sender);
    }

    /**
     * @dev Internal helper funtion to get the msg.value
     * @return value of the msg.value
     */
    function _msgValue() internal view returns (uint256 value) {
        // We do this because msg.value can only be accessed in payable functions.
        assembly {
            value := callvalue()
        }
    }

    /**
     * @dev Internal helper function to read storage slots
     * @param storageSlots array of storage slots
     */
    function _readStorage(bytes32[] memory storageSlots) internal view returns (bytes32[] memory) {
        uint256 slotsLength = storageSlots.length;
        bytes32[] memory values = new bytes32[](slotsLength);

        for (uint256 i = 0; i < slotsLength; i++) {
            bytes32 slotValue = _getValueBySlot(storageSlots[i]);
            values[i] = slotValue;
        }
        return values;
    }

    /**
     * @dev Internal helper function to set an address in a storage slot
     * @param _slot storage slot
     * @param _address address to be set
     */
    function _setAddressBySlot(bytes32 _slot, address _address) internal {
        assembly {
            sstore(_slot, _address)
        }
    }

    /**
     * @dev Internal helper function to get an address from a storage slot
     * @param _slot storage slot
     * @return _address from the storage slot
     */
    function _getAddressBySlot(bytes32 _slot) internal view returns (address _address) {
        assembly {
            _address := sload(_slot)
        }
    }

    /**
     * @dev Internal helper function to get a value from a storage slot
     * @param _slot storage slot
     * @return _value from the storage slot
     */
    function _getValueBySlot(bytes32 _slot) internal view returns (bytes32 _value) {
        assembly {
            _value := sload(_slot)
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
// See LICENSE file for full license text.
// Copyright (c) Ironblocks 2024
pragma solidity ^0.8;

interface IFirewall {
    function preExecution(address sender, bytes memory data, uint256 value) external;
    function postExecution(address sender, bytes memory data, uint256 value) external;
    function preExecutionPrivateInvariants(address sender, bytes memory data, uint256 value) external returns (bytes32[] calldata);
    function postExecutionPrivateInvariants(
        address sender,
        bytes memory data,
        uint256 value,
        bytes32[] calldata preValues,
        bytes32[] calldata postValues
    ) external;
}

// SPDX-License-Identifier: UNLICENSED
// See LICENSE file for full license text.
// Copyright (c) Ironblocks 2024
pragma solidity ^0.8;

interface IFirewallConsumer {
    function firewallAdmin() external returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(
        uint256 tokenId,
        uint256 salePrice
    ) external view returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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://consensys.net/diligence/blog/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/v0.8.0/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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/introspection/ERC165Checker.sol)

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
            supportsERC165InterfaceUnchecked(account, type(IERC165).interfaceId) &&
            !supportsERC165InterfaceUnchecked(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) && supportsERC165InterfaceUnchecked(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] = supportsERC165InterfaceUnchecked(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 (!supportsERC165InterfaceUnchecked(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}.
     *
     * Some precompiled contracts will falsely indicate support for a given interface, so caution
     * should be exercised when using this function.
     *
     * Interface identification is specified in ERC-165.
     */
    function supportsERC165InterfaceUnchecked(address account, bytes4 interfaceId) internal view returns (bool) {
        // prepare call
        bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId);

        // perform static call
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly {
            success := staticcall(30000, account, add(encodedParams, 0x20), mload(encodedParams), 0x00, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0x00)
        }

        return success && returnSize >= 0x20 && returnValue > 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

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);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library CalcUtils {
    function calcAmount(uint256 amount, uint256 rate) internal pure returns (uint256 tokenA) {
        return (amount * rate) / 1e21;
    }

    function calcRate(uint256 tokenAValue, uint256 tokenBValue) internal pure returns (uint256 rate) {
        return (tokenAValue * 1e21) / tokenBValue;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol";
import "./IProvider.sol";
import "./IVaultManager.sol";

interface ILockDealNFT is IERC721Enumerable {
    function approvedContracts(address contractAddress) external view returns (bool);

    function mintAndTransfer(
        address owner,
        address token,
        uint256 amount,
        IProvider provider
    ) external returns (uint256 poolId);

    function safeMintAndTransfer(
        address owner,
        address token,
        address from,
        uint256 amount,
        IProvider provider,
        bytes calldata data
    ) external returns (uint256 poolId);

    function cloneVaultId(uint256 destinationPoolId, uint256 sourcePoolId) external;

    function mintForProvider(address owner, IProvider provider) external returns (uint256 poolId);

    function getData(uint256 poolId) external view returns (BasePoolInfo memory poolInfo);

    function getFullData(uint256 poolId) external view returns (BasePoolInfo[] memory poolInfo);

    function tokenOf(uint256 poolId) external view returns (address token);

    function vaultManager() external view returns (IVaultManager);

    function poolIdToProvider(uint256 poolId) external view returns (IProvider provider);

    function getWithdrawableAmount(uint256 poolId) external view returns (uint256 withdrawalAmount);

    struct BasePoolInfo {
        IProvider provider;
        string name;
        uint256 poolId;
        uint256 vaultId;
        address owner;
        address token;
        uint256[] params;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

///@dev Interface for the provider contract
///@notice This interface is used by the NFT contract to call the provider contract
interface IProvider {
    event UpdateParams(uint256 indexed poolId, uint256[] params);

    function withdraw(uint256 tokenId) external returns (uint256 withdrawnAmount, bool isFinal);

    function split(uint256 oldPoolId, uint256 newPoolId, uint256 ratio) external;

    function registerPool(uint256 poolId, uint256[] calldata params) external;

    function getParams(uint256 poolId) external view returns (uint256[] memory params);

    function getWithdrawableAmount(uint256 poolId) external view returns (uint256 withdrawalAmount);

    function currentParamsTargetLength() external view returns (uint256);

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

    function getSubProvidersPoolIds(uint256 poolID) external view returns (uint256[] memory poolIds);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IProvider.sol";

///@dev Interface for the simple providers
interface ISimpleProvider is IProvider {
    function withdraw(uint256 poolId, uint256 amount) external returns (uint256 withdrawnAmount, bool isFinal);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/interfaces/IERC2981.sol";

interface IVaultManager is IERC2981 {
    function depositByToken(address _tokenAddress, uint _amount) external returns (uint vaultId);
    function safeDeposit(
        address _tokenAddress,
        uint _amount,
        address _from,
        bytes memory _signature
    ) external returns (uint vaultId);
    function withdrawByVaultId(uint _vaultId, address to, uint _amount) external;
    function vaultIdToTokenAddress(uint _vaultId) external view returns (address token);
    function vaultIdToTradeStartTime(uint256 _vaultId) external view returns (uint256 startTime);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library Bundable {
    bytes4 public constant _INTERFACE_ID_BUNDABLE = 0x29c8a06d; // bytes4(keccak256("BUNDABLE"))
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library Refundble {
    bytes4 public constant _INTERFACE_ID_REFUNDABLE = 0xb0754565; // bytes4(keccak256("REFUNDABLE"))
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @title DealProviderState contract
/// @notice Contains storage variables, structures
contract DealProviderState {
    mapping(uint256 => uint256) public poolIdToAmount;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./ProviderModifiers.sol";
import "@poolzfinance/poolz-helper-v2/contracts/interfaces/IProvider.sol";
import "@poolzfinance/poolz-helper-v2/contracts/interfaces/ISimpleProvider.sol";
import "../../ERC165/Refundble.sol";
import "../../ERC165/Bundable.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "@ironblocks/firewall-consumer/contracts/FirewallConsumer.sol";

abstract contract BasicProvider is ProviderModifiers, ISimpleProvider, ERC165, FirewallConsumer {
    /**
     * @dev Creates a new pool with the specified parameters.
     * @param addresses[0] The address of the pool owner.
     * @param addresses[1] The address of the token associated with the pool.
     * @param params An array of pool parameters.
     * @param signature The signature of the pool owner.
     * @return poolId The ID of the newly created pool.
     */
    function createNewPool(
        address[] calldata addresses,
        uint256[] calldata params,
        bytes calldata signature
    )
        external
        virtual
        firewallProtected
        validAddressesLength(addresses.length, 2)
        validParamsLength(params.length, currentParamsTargetLength())
        returns (uint256 poolId)
    {
        poolId = lockDealNFT.safeMintAndTransfer(addresses[0], addresses[1], msg.sender, params[0], this, signature);
        _registerPool(poolId, params);
    }

    /// @dev used by providers to implement cascading pool creation logic.
    function registerPool(
        uint256 poolId,
        uint256[] calldata params
    ) external virtual firewallProtected onlyProvider validParamsLength(params.length, currentParamsTargetLength()) {
        _registerPool(poolId, params);
    }

    /**
     * @dev used by LockedDealNFT contract to withdraw tokens from a pool.
     * @param poolId The ID of the pool.
     * @return withdrawnAmount The amount of tokens withdrawn.
     * @return isFinal Boolean indicating whether the pool is empty after a withdrawal.
     */
    function withdraw(uint256 poolId) external virtual firewallProtected override onlyNFT returns (uint256 withdrawnAmount, bool isFinal) {
        (withdrawnAmount, isFinal) = _withdraw(poolId, getWithdrawableAmount(poolId));
    }

    /// @dev used by providers to implement cascading withdraw logic from the pool.
    function withdraw(
        uint256 poolId,
        uint256 amount
    ) external virtual firewallProtected onlyProvider returns (uint256 withdrawnAmount, bool isFinal) {
        (withdrawnAmount, isFinal) = _withdraw(poolId, amount);
    }

    function _registerPool(uint256 poolId, uint256[] calldata params) internal virtual;

    function _withdraw(
        uint256 poolId,
        uint256 amount
    ) internal virtual returns (uint256 withdrawnAmount, bool isFinal) {}

    function getWithdrawableAmount(uint256 poolId) public view virtual override returns (uint256);

    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return
            interfaceId == Refundble._INTERFACE_ID_REFUNDABLE ||
            interfaceId == Bundable._INTERFACE_ID_BUNDABLE ||
            interfaceId == type(ISimpleProvider).interfaceId ||
            super.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./ProviderState.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";

abstract contract ProviderModifiers is ProviderState {
    modifier onlyProvider() {
        _onlyProvider();
        _;
    }

    modifier validParamsLength(uint256 paramsLength, uint256 minLength) {
        _validParamsLength(paramsLength, minLength);
        _;
    }

    modifier onlyNFT() {
        _onlyNFT();
        _;
    }

    modifier validProviderAssociation(uint256 poolId, IProvider provider) {
        _validProvider(poolId, provider);
        _;
    }

    modifier validProviderId(uint256 poolId) {
        _validProvider(poolId, this);
        _;
    }

    modifier validAddressesLength(uint256 addressLength, uint256 minLength) {
        _validAddressLength(addressLength, minLength);
        _;
    }

    function _validAddressLength(uint256 addressLength, uint256 minLength) internal pure {
        require(addressLength >= minLength, "invalid addresses length");
    }

    function _validProvider(uint256 poolId, IProvider provider) internal view {
        require(lockDealNFT.poolIdToProvider(poolId) == provider, "Invalid provider poolId");
    }

    function _onlyNFT() internal view {
        require(msg.sender == address(lockDealNFT), "only NFT contract can call this function");
    }

    function _validParamsLength(uint256 paramsLength, uint256 minLength) private pure {
        require(paramsLength >= minLength, "invalid params length");
    }

    function _onlyProvider() private view {
        require(lockDealNFT.approvedContracts(msg.sender), "invalid provider address");
    }

    function _validProviderInterface(IProvider provider, bytes4 interfaceId) internal view {
        require(ERC165Checker.supportsInterface(address(provider), interfaceId), "invalid provider type");
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@poolzfinance/poolz-helper-v2/contracts/interfaces/ILockDealNFT.sol";

abstract contract ProviderState is IProvider {
    ///@dev Each provider sets its own name
    string public name;
    ILockDealNFT public lockDealNFT;

    ///@dev each provider decides how many parameters it needs by overriding this function
    function currentParamsTargetLength() public view virtual returns (uint256) {
        return 1;
    }

    function getSubProvidersPoolIds(uint256) public view virtual override returns (uint256[] memory poolIds) {
        return poolIds;
    }
}

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

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0000000000000000000000005e0bb1ff9003ac3586f039d482d2974a6d7ed781

-----Decoded View---------------
Arg [0] : _nftContract (address): 0x5e0bB1fF9003ac3586f039D482d2974A6D7ED781

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005e0bb1ff9003ac3586f039d482d2974a6d7ed781