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// SPDX-License-Identifier: BUSL 1.0
// Metadrop Contracts (v2.1.0)

pragma solidity 0.8.19;

import {AuthorityModel} from "../../Global/AuthorityModel.sol";
import {SafeERC20, IERC20} from "../../Global/OZ/SafeERC20.sol";
import {IERC20FactoryByMetadropV1} from "./IERC20FactoryByMetadropV1.sol";
import {IERC20ByMetadropV1} from "../ERC20/IERC20ByMetadropV1.sol";
import {SignatureChecker} from "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {IERC20ByMetadropV1, ERC20ByMetadropV1} from "../ERC20/ERC20ByMetadropV1.sol";

/**
 * @dev Metadrop ERC-20 factory
 */
contract ERC20FactoryByMetadropV1 is
  Context,
  IERC20FactoryByMetadropV1,
  AuthorityModel
{
  using SafeERC20 for IERC20;

  // Uniswap router address
  address public immutable uniswapRouter;
  // Unicrypt locker address
  address public immutable unicryptLocker;

  // Metadrop trusted oracle address
  address public metadropOracleAddress;
  // Address for all platform fee payments
  address public platformTreasury;
  // The oracle signed message validity period:
  // Note that maximum is 65,535, therefore 18.2 hours (which seems plenty)
  uint16 private messageValidityInSeconds = 30 minutes;

  /**
   * @dev {constructor}
   *
   * @param superAdmin_ The address that can add and remove user authority roles. Will also be added as the
   * first platform admin.
   * @param platformAdmins_ The address(es) for the platform admin(s)
   * @param platformTreasury_ The address of the platform treasury. This will be used on primary vesting
   * for the platform share of funds and on the royalty payment splitter for the platform share.
   * @param metadropOracleAddress_ The address of the metadrop oracle signer
   * @param uniswapRouter_ The address of the uniswap router
   * @param unicryptLocker_ The address of the unicrypt locker
   */
  constructor(
    address superAdmin_,
    address[] memory platformAdmins_,
    address platformTreasury_,
    address metadropOracleAddress_,
    address uniswapRouter_,
    address unicryptLocker_
  ) {
    // The initial instance owner is set as the Ownable owner on all cloned contracts:
    if (superAdmin_ == address(0)) {
      _revert(SuperAdminCannotBeAddressZero.selector);
    }

    // superAdmin can grant and revoke all other roles. This address MUST be secured.
    // For the duration of this constructor only the super admin is the deployer.
    // This is so the deployer can set initial authorities.
    // We set to the configured super admin address at the end of the constructor.
    superAdmin = _msgSender();
    // Grant platform admin to the deployer for the duration of the constructor:
    grantPlatformAdmin(_msgSender());
    // By default we will revoke the temporary authority for the deployer, BUT,
    // if the deployer is in the platform admin array then we want to keep that
    // authority, as it has been explicitly set. We handle that situation using
    // a bool:
    bool revokeDeployerPlatformAdmin = true;

    grantPlatformAdmin(superAdmin_);

    for (uint256 i = 0; i < platformAdmins_.length; ) {
      // Check if the address we are granting for is the deployer. If it is,
      // then the deployer address already IS a platform admin and it would be
      // a waste of gas to grant again. Instead, we update the bool to show that
      // we DON'T want to revoke this permission at the end of this method:
      if (platformAdmins_[i] == _msgSender()) {
        revokeDeployerPlatformAdmin = false;
      } else {
        grantPlatformAdmin(platformAdmins_[i]);
      }
      unchecked {
        i++;
      }
    }

    // Set platform treasury:
    if (platformTreasury_ == address(0)) {
      _revert(PlatformTreasuryCannotBeAddressZero.selector);
    }
    platformTreasury = platformTreasury_;

    if (metadropOracleAddress_ == address(0)) {
      _revert(MetadropOracleCannotBeAddressZero.selector);
    }
    metadropOracleAddress = metadropOracleAddress_;

    uniswapRouter = uniswapRouter_;

    unicryptLocker = unicryptLocker_;

    // This is the factory
    factory = address(this);

    // Revoke platform admin status of the deployer and transfer superAdmin
    // and ownable owner to the superAdmin_.
    // Revoke platform admin based on the bool flag set earlier (see above
    // for an explanation of how this flag is set)
    if (revokeDeployerPlatformAdmin) {
      revokePlatformAdmin(_msgSender());
    }
    if (superAdmin_ != _msgSender()) {
      transferSuperAdmin(superAdmin_);
    }
  }

  /**
   * @dev function {setMetadropOracleAddress} onlyPlatformAdmin
   *
   * Set the metadrop trusted oracle address
   *
   * @param metadropOracleAddress_ Trusted metadrop oracle address
   */
  function setMetadropOracleAddress(
    address metadropOracleAddress_
  ) external onlyPlatformAdmin {
    if (metadropOracleAddress_ == address(0)) {
      _revert(MetadropOracleCannotBeAddressZero.selector);
    }
    metadropOracleAddress = metadropOracleAddress_;
  }

  /**
   * @dev function {setMessageValidityInSeconds} onlyPlatformAdmin
   *
   * Set the validity period of signed messages
   *
   * @param messageValidityInSeconds_ Validity period in seconds for messages signed by the trusted oracle
   */
  function setMessageValidityInSeconds(
    uint256 messageValidityInSeconds_
  ) external onlyPlatformAdmin {
    messageValidityInSeconds = uint16(messageValidityInSeconds_);
  }

  /**
   * @dev function {setPlatformTreasury} onlySuperAdmin
   *
   * Set the address that platform fees will be paid to / can be withdrawn to.
   * Note that this is restricted to the highest authority level, the super
   * admin. Platform admins can trigger a withdrawal to the treasury, but only
   * the default admin can set or alter the treasury address. It is recommended
   * that the default admin is highly secured and restrited e.g. a multi-sig.
   *
   * @param platformTreasury_ New treasury address
   */
  function setPlatformTreasury(
    address platformTreasury_
  ) external onlySuperAdmin {
    if (platformTreasury_ == address(0)) {
      _revert(PlatformTreasuryCannotBeAddressZero.selector);
    }
    platformTreasury = platformTreasury_;
  }

  /**
   * @dev function {withdrawETH} onlyPlatformAdmin
   *
   * A withdraw function to allow ETH to be withdrawn to the treasury
   *
   * @param amount_ The amount to withdraw
   */
  function withdrawETH(uint256 amount_) external onlyPlatformAdmin {
    (bool success, ) = platformTreasury.call{value: amount_}("");
    if (!success) {
      _revert(TransferFailed.selector);
    }
  }

  /**
   * @dev function {withdrawERC20} onlyPlatformAdmin
   *
   * A withdraw function to allow ERC20s to be withdrawn to the treasury
   *
   * @param token_ The contract address of the token being withdrawn
   * @param amount_ The amount to withdraw
   */
  function withdrawERC20(
    IERC20 token_,
    uint256 amount_
  ) external onlyPlatformAdmin {
    token_.safeTransfer(platformTreasury, amount_);
  }

  /**
   * @dev function {createERC20}
   *
   * Create an ERC-20
   *
   * @param metaId_ The drop Id being approved
   * @param salt_ Salt for create2
   * @param erc20Config_ ERC20 configuration
   * @param signedMessage_ The signed message object
   * @param lockerFee_ The fee for the unicrypt locker
   * @param deploymentFee_ The fee for deployment, if any
   * @return deployedAddress_ The deployed ERC20 contract address
   */
  function createERC20(
    string calldata metaId_,
    bytes32 salt_,
    ERC20Config calldata erc20Config_,
    SignedDropMessageDetails calldata signedMessage_,
    uint256 lockerFee_,
    uint256 deploymentFee_
  ) external payable returns (address deployedAddress_) {
    // Check the signed message origin and time:
    _verifyMessage(signedMessage_);

    // We can only proceed if the hash of the passed configuration matches the hash
    // signed by our oracle signer:
    if (
      !_configHashMatches(
        metaId_,
        salt_,
        erc20Config_,
        signedMessage_,
        lockerFee_,
        deploymentFee_,
        _msgSender()
      )
    ) {
      _revert(PassedConfigDoesNotMatchApproved.selector);
    }

    (, , , , , , bool addLiquidityOnCreate, , ) = abi.decode(
      erc20Config_.supplyParameters,
      (
        uint256,
        uint256,
        uint256,
        uint256,
        uint256,
        uint256,
        bool,
        address,
        address
      )
    );

    address[3] memory integrationAddresses = [
      msg.sender,
      uniswapRouter,
      unicryptLocker
    ];

    bytes memory deploymentData = abi.encodePacked(
      type(ERC20ByMetadropV1).creationCode,
      abi.encode(
        integrationAddresses,
        erc20Config_.baseParameters,
        erc20Config_.supplyParameters,
        erc20Config_.taxParameters
      )
    );

    address newERC20;

    assembly {
      newERC20 := create2(
        0,
        add(deploymentData, 0x20),
        mload(deploymentData),
        salt_
      )
      if iszero(extcodesize(newERC20)) {
        revert(0, 0)
      }
    }

    if (addLiquidityOnCreate) {
      // Check the fee, we must have enough ETH for the fees, plus at least ONE wei if adding liquidity:
      if (msg.value < (lockerFee_ + deploymentFee_)) {
        _revert(IncorrectPayment.selector);
      }

      // Value to pass on (for locking fee plus liquidity, if any) is the sent
      // amount minus the deployment fee (if any)
      IERC20ByMetadropV1(newERC20).addInitialLiquidity{
        value: msg.value - deploymentFee_
      }(lockerFee_);
    } else {
      // Check the fee, we must have ETH for ONLY the deployment fee
      if (msg.value != deploymentFee_) {
        _revert(IncorrectPayment.selector);
      }
    }

    (string memory tokenName, string memory tokenSymbol) = _getNameAndSymbol(
      erc20Config_.baseParameters
    );

    emit ERC20Created(metaId_, msg.sender, newERC20, tokenName, tokenSymbol);

    return (newERC20);
  }

  /**
   * @dev function {_getNameAndSymbol} Create an ERC-20
   *
   * Decode the name and symbol
   *
   * @param encodedBaseParams_ Base ERC20 params
   * @return name_ The name
   * @return symbol_ The symbol
   */
  function _getNameAndSymbol(
    bytes memory encodedBaseParams_
  ) internal pure returns (string memory name_, string memory symbol_) {
    (name_, symbol_, , , , ) = abi.decode(
      encodedBaseParams_,
      (string, string, string, string, string, string)
    );
    return (name_, symbol_);
  }

  /**
   * @dev function {_verifyMessage}
   *
   * Check the signature and expiry of the passed message
   *
   * @param signedMessage_ The signed message object
   */
  function _verifyMessage(
    SignedDropMessageDetails calldata signedMessage_
  ) internal view {
    // Check that this signature is from the oracle signer:
    if (
      !_validSignature(
        signedMessage_.messageHash,
        signedMessage_.messageSignature
      )
    ) {
      _revert(InvalidOracleSignature.selector);
    }

    // Check that the signature has not expired:
    unchecked {
      if (
        (signedMessage_.messageTimeStamp + messageValidityInSeconds) <
        block.timestamp
      ) {
        _revert(OracleSignatureHasExpired.selector);
      }
    }
  }

  /**
   * @dev function {_validSignature}
   *
   * Checks the the signature on the signed message is from the metadrop oracle
   *
   * @param messageHash_ The message hash signed by the trusted oracle signer. This will be the
   * keccack256 hash of received data about this token.
   * @param messageSignature_ The signed message from the backend oracle signer for validation.
   */
  function _validSignature(
    bytes32 messageHash_,
    bytes memory messageSignature_
  ) internal view returns (bool) {
    bytes32 ethSignedMessageHash = keccak256(
      abi.encodePacked("\x19Ethereum Signed Message:\n32", messageHash_)
    );

    // Check the signature is valid:
    return (
      SignatureChecker.isValidSignatureNow(
        metadropOracleAddress,
        ethSignedMessageHash,
        messageSignature_
      )
    );
  }

  /**
   * @dev function {_configHashMatches}
   *
   * Check the passed config against the stored config hash
   *
   * @param metaId_ The drop Id being approved
   * @param salt_ Salt for create2
   * @param erc20Config_ ERC20 configuration
   * @param signedMessage_ The signed message object
   * @param lockerFee_ The fee for the unicrypt locker
   * @param deploymentFee_ The fee for deployment, if any
   * @param deployer_ Address performing the deployment
   * @return matches_ Whether the hash matches (true) or not (false)
   */
  function _configHashMatches(
    string calldata metaId_,
    bytes32 salt_,
    ERC20Config calldata erc20Config_,
    SignedDropMessageDetails calldata signedMessage_,
    uint256 lockerFee_,
    uint256 deploymentFee_,
    address deployer_
  ) internal pure returns (bool matches_) {
    // Create the hash of the passed data for comparison:
    bytes32 passedConfigHash = createConfigHash(
      metaId_,
      salt_,
      erc20Config_,
      signedMessage_.messageTimeStamp,
      lockerFee_,
      deploymentFee_,
      deployer_
    );

    // Must equal the stored hash:
    return (passedConfigHash == signedMessage_.messageHash);
  }

  /**
   * @dev function {createConfigHash}
   *
   * Create the config hash
   *
   * @param metaId_ The drop Id being approved
   * @param salt_ Salt for create2
   * @param erc20Config_ ERC20 configuration
   * @param messageTimeStamp_ When the message for this config hash was signed
   * @param lockerFee_ The fee for the unicrypt locker
   * @param deploymentFee_ The fee for deployment, if any
   * @param deployer_ Address performing the deployment
   * @return configHash_ The bytes32 config hash
   */
  function createConfigHash(
    string calldata metaId_,
    bytes32 salt_,
    ERC20Config calldata erc20Config_,
    uint256 messageTimeStamp_,
    uint256 lockerFee_,
    uint256 deploymentFee_,
    address deployer_
  ) public pure returns (bytes32 configHash_) {
    configHash_ = keccak256(
      abi.encodePacked(
        metaId_,
        salt_,
        erc20Config_.baseParameters,
        erc20Config_.supplyParameters,
        erc20Config_.taxParameters,
        messageTimeStamp_,
        lockerFee_,
        deploymentFee_,
        deployer_
      )
    );

    return (configHash_);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 *
 * _Available since v4.1._
 */
interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param hash      Hash of the data to be signed
     * @param signature Signature byte array associated with _data
     */
    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

    /**
     * @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 `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from, address to, uint256 amount) external 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 v4.4.1 (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;
    }
}

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32")
            mstore(0x1c, hash)
            message := keccak256(0x00, 0x3c)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            data := keccak256(ptr, 0x42)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Data with intended validator, created from a
     * `validator` and `data` according to the version 0 of EIP-191.
     *
     * See {recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x00", validator, data));
    }
}

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

pragma solidity ^0.8.0;

import "./ECDSA.sol";
import "../../interfaces/IERC1271.sol";

/**
 * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
 * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like
 * Argent and Gnosis Safe.
 *
 * _Available since v4.1._
 */
library SignatureChecker {
    /**
     * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
     * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) {
        (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);
        return
            (error == ECDSA.RecoverError.NoError && recovered == signer) ||
            isValidERC1271SignatureNow(signer, hash, signature);
    }

    /**
     * @dev Checks if a signature is valid for a given signer and data hash. The signature is validated
     * against the signer smart contract using ERC1271.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidERC1271SignatureNow(
        address signer,
        bytes32 hash,
        bytes memory signature
    ) internal view returns (bool) {
        (bool success, bytes memory result) = signer.staticcall(
            abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)
        );
        return (success &&
            result.length >= 32 &&
            abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

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

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableMap.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableMap.js.

pragma solidity ^0.8.0;

import "./EnumerableSet.sol";

/**
 * @dev Library for managing an enumerable variant of Solidity's
 * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
 * type.
 *
 * Maps have the following properties:
 *
 * - Entries are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Entries are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableMap for EnumerableMap.UintToAddressMap;
 *
 *     // Declare a set state variable
 *     EnumerableMap.UintToAddressMap private myMap;
 * }
 * ```
 *
 * The following map types are supported:
 *
 * - `uint256 -> address` (`UintToAddressMap`) since v3.0.0
 * - `address -> uint256` (`AddressToUintMap`) since v4.6.0
 * - `bytes32 -> bytes32` (`Bytes32ToBytes32Map`) since v4.6.0
 * - `uint256 -> uint256` (`UintToUintMap`) since v4.7.0
 * - `bytes32 -> uint256` (`Bytes32ToUintMap`) since v4.7.0
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableMap, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableMap.
 * ====
 */
library EnumerableMap {
    using EnumerableSet for EnumerableSet.Bytes32Set;

    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Map type with
    // bytes32 keys and values.
    // The Map implementation uses private functions, and user-facing
    // implementations (such as Uint256ToAddressMap) are just wrappers around
    // the underlying Map.
    // This means that we can only create new EnumerableMaps for types that fit
    // in bytes32.

    struct Bytes32ToBytes32Map {
        // Storage of keys
        EnumerableSet.Bytes32Set _keys;
        mapping(bytes32 => bytes32) _values;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(Bytes32ToBytes32Map storage map, bytes32 key, bytes32 value) internal returns (bool) {
        map._values[key] = value;
        return map._keys.add(key);
    }

    /**
     * @dev Removes a key-value pair from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(Bytes32ToBytes32Map storage map, bytes32 key) internal returns (bool) {
        delete map._values[key];
        return map._keys.remove(key);
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(Bytes32ToBytes32Map storage map, bytes32 key) internal view returns (bool) {
        return map._keys.contains(key);
    }

    /**
     * @dev Returns the number of key-value pairs in the map. O(1).
     */
    function length(Bytes32ToBytes32Map storage map) internal view returns (uint256) {
        return map._keys.length();
    }

    /**
     * @dev Returns the key-value pair stored at position `index` in the map. O(1).
     *
     * Note that there are no guarantees on the ordering of entries inside the
     * array, and it may change when more entries are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32ToBytes32Map storage map, uint256 index) internal view returns (bytes32, bytes32) {
        bytes32 key = map._keys.at(index);
        return (key, map._values[key]);
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(Bytes32ToBytes32Map storage map, bytes32 key) internal view returns (bool, bytes32) {
        bytes32 value = map._values[key];
        if (value == bytes32(0)) {
            return (contains(map, key), bytes32(0));
        } else {
            return (true, value);
        }
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(Bytes32ToBytes32Map storage map, bytes32 key) internal view returns (bytes32) {
        bytes32 value = map._values[key];
        require(value != 0 || contains(map, key), "EnumerableMap: nonexistent key");
        return value;
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(
        Bytes32ToBytes32Map storage map,
        bytes32 key,
        string memory errorMessage
    ) internal view returns (bytes32) {
        bytes32 value = map._values[key];
        require(value != 0 || contains(map, key), errorMessage);
        return value;
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(Bytes32ToBytes32Map storage map) internal view returns (bytes32[] memory) {
        return map._keys.values();
    }

    // UintToUintMap

    struct UintToUintMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToUintMap storage map, uint256 key, uint256 value) internal returns (bool) {
        return set(map._inner, bytes32(key), bytes32(value));
    }

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

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

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(UintToUintMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. 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(UintToUintMap storage map, uint256 index) internal view returns (uint256, uint256) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (uint256(key), uint256(value));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(UintToUintMap storage map, uint256 key) internal view returns (bool, uint256) {
        (bool success, bytes32 value) = tryGet(map._inner, bytes32(key));
        return (success, uint256(value));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToUintMap storage map, uint256 key) internal view returns (uint256) {
        return uint256(get(map._inner, bytes32(key)));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(UintToUintMap storage map, uint256 key, string memory errorMessage) internal view returns (uint256) {
        return uint256(get(map._inner, bytes32(key), errorMessage));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(UintToUintMap storage map) internal view returns (uint256[] memory) {
        bytes32[] memory store = keys(map._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintToAddressMap

    struct UintToAddressMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
        return set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
    }

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

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

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(UintToAddressMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. 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(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (uint256(key), address(uint160(uint256(value))));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
        (bool success, bytes32 value) = tryGet(map._inner, bytes32(key));
        return (success, address(uint160(uint256(value))));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
        return address(uint160(uint256(get(map._inner, bytes32(key)))));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(
        UintToAddressMap storage map,
        uint256 key,
        string memory errorMessage
    ) internal view returns (address) {
        return address(uint160(uint256(get(map._inner, bytes32(key), errorMessage))));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(UintToAddressMap storage map) internal view returns (uint256[] memory) {
        bytes32[] memory store = keys(map._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressToUintMap

    struct AddressToUintMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(AddressToUintMap storage map, address key, uint256 value) internal returns (bool) {
        return set(map._inner, bytes32(uint256(uint160(key))), bytes32(value));
    }

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

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

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(AddressToUintMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. 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(AddressToUintMap storage map, uint256 index) internal view returns (address, uint256) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (address(uint160(uint256(key))), uint256(value));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(AddressToUintMap storage map, address key) internal view returns (bool, uint256) {
        (bool success, bytes32 value) = tryGet(map._inner, bytes32(uint256(uint160(key))));
        return (success, uint256(value));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(AddressToUintMap storage map, address key) internal view returns (uint256) {
        return uint256(get(map._inner, bytes32(uint256(uint160(key)))));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(
        AddressToUintMap storage map,
        address key,
        string memory errorMessage
    ) internal view returns (uint256) {
        return uint256(get(map._inner, bytes32(uint256(uint160(key))), errorMessage));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(AddressToUintMap storage map) internal view returns (address[] memory) {
        bytes32[] memory store = keys(map._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // Bytes32ToUintMap

    struct Bytes32ToUintMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(Bytes32ToUintMap storage map, bytes32 key, uint256 value) internal returns (bool) {
        return set(map._inner, key, bytes32(value));
    }

    /**
     * @dev Removes a value from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(Bytes32ToUintMap storage map, bytes32 key) internal returns (bool) {
        return remove(map._inner, key);
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(Bytes32ToUintMap storage map, bytes32 key) internal view returns (bool) {
        return contains(map._inner, key);
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(Bytes32ToUintMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. 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(Bytes32ToUintMap storage map, uint256 index) internal view returns (bytes32, uint256) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (key, uint256(value));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(Bytes32ToUintMap storage map, bytes32 key) internal view returns (bool, uint256) {
        (bool success, bytes32 value) = tryGet(map._inner, key);
        return (success, uint256(value));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(Bytes32ToUintMap storage map, bytes32 key) internal view returns (uint256) {
        return uint256(get(map._inner, key));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(
        Bytes32ToUintMap storage map,
        bytes32 key,
        string memory errorMessage
    ) internal view returns (uint256) {
        return uint256(get(map._inner, key, errorMessage));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(Bytes32ToUintMap storage map) internal view returns (bytes32[] memory) {
        bytes32[] memory store = keys(map._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

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.
 *
 * ```solidity
 * 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.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
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];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // 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);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // 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))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // 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 in 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));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

pragma solidity >=0.5.0;

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;
}

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MM                                                                                                                                                            MM
// MM   ^                                    #####  #####   ####       # ######  ####  #####    #      # #    # #    #  ####                                     MM
// MM   |                                    #    # #    # #    #      # #      #    #   #      #      # ##   # #   #  #                                         MM
// MM   |                                    #    # #    # #    #      # #####  #        #      #      # # #  # ####    ####                                     MM
// MM   ^                                    #####  #####  #    #      # #      #        #      #      # #  # # #  #        #                                    MM
// MM   |                                    #      #   #  #    # #    # #      #    #   #      #      # #   ## #   #  #    #                                    MM
// MM   |                                    #      #    #  ####   ####  ######  ####    #      ###### # #    # #    #  ####                                     MM
// MM   ^                                                                                                                                                        MM
// MM   |                                                                                                                                                        MM
// MM   |________ Click 'Read Contract', then select:                                                                                                            MM
// MM                * _1___website                                                                                                                              MM
// MM                * _2___twitter (or X...)                                                                                                                    MM
// MM                * _3___telegram                                                                                                                             MM
// MM                * _4___discord                                                                                                                              MM
// MM                                                                                                                                                            MM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNNWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXKXWMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN0dccdKMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN0d:,;dXMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKxc,.,xNMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXOo;..  .oWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNOo;..   .kMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN0d:..    ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXkl,.      .lNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXkl,..      .kMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNOo;..       ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKxc'.         .lNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXkl,.          .kMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXkl,.           ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN0d:'.            .lNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKxc'.             .kMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKxc'.              ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN0d:..               .lNMMMMMMMMMMMMMMMMMMMMMMMMMMN0d:..                .kMMMMMMMMMMMMMMMMMMMMMMMMMWKxc'.                 ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMWXOo;..                  .lNMMMMMMMMMMMMMMMMMMMMMMNOxo;..                   .kMMMMMMMMMMMMMMMMMMMMMMN0d:..                    ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMWXkl,.                      .lNMMMMMMMMMMMMMMMMMMWXOo,...                      .kMMMMMMMMMMMMMMMMMMMNOo;..                       ;KMMMM
// MMMMMMMMMMMMMMMMMMMMMMWKxc'.                         .lNMMMMMMMMMMMMMMMWXkl,.                           .kMMMMMMMMMMMMMMMWXkl,.                           ;KMMMM
// MMMMMMMMMMMMMMMMMMMW0d:'.                            .lNMMMMMMMMMMMMWKxc'.                              .kMMMMMMMMMMMMWKkc'.                              ;KMMMM
// MMMMMMMMMMMMMMMMN0d:..                               .cXMMMMMMMMMN0d:..                                 .oWMMMMMMMMWKxc'.                                 ;KMMMM
// MMMMMMMMMMMMWNOo;..                                   .lKWMMMWNOo;..                                     .oKWMMWN0d:..                                    ;KMMMM
// MMMMMMMMMWXkl,.                                        .'codol,..                                         ..;clc,..                                       ;KMMMM
// MMMMMMWKxc'.                                                                                                                                              :XMMMM
// MMMMXxc'.                                                                                                                                                'kWMMMM
// MMW0:.                                                                                                                                                ..:OWMMMMM
// MMK:.                                                                                                                                              ..;o0NMMMMMMM
// MMO'                                         .....                                             ..''..                                           ..:d0NMMMMMMMMMM
// MMO'                                     ..,lxO0Oxc..                                       .'cx0XXKkc..                                     .'cxKWMMMMMMMMMMMMM
// MMO'                                  ..;oOXWMMMMMWO,                                   ..,lkXWMMMMMMWx.                                  .,lkXWMMMMMMMMMMMMMMMM
// MMO'                               ..:d0NMMMMMMMMMMNo.                               ..;oONWMMMMMMMMMMK;                               .,oOXWMMMMMMMMMMMMMMMMMMM
// MMO'                            ..:d0NMMMMMMMMMMMMMWo.                            ..:d0NMMMMMMMMMMMMMMX:                           ..;oONMMMMMMMMMMMMMMMMMMMMMMM
// MMO'                         .'cxKWMMMMMMMMMMMMMMMMWo.                        .';cxKWMMMMMMMMMMMMMMMMMX:                        ..:d0NMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMO'                      .,lkXWMMMMMMMMMMMMMMMMMMMWo.                     .,ckKNWMMMMMMMMMMMMMMMMMMMMX:                     .'cxKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMO'                  ..;oOXMMMMMMMMMMMMMMMMMMMMMMMWo.                 ..,lkXWMMMMMMMMMMMMMMMMMMMMMMMMX:                  .,lkXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMO'               ..:d0NMMMMMMMMMMMMMMMMMMMMMMMMMMWo.              ..;oONWMMMMMMMMMMMMMMMMMMMMMMMMMMMX:              ..,oOXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMO'            ..:d0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWo.           ..:d0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMX:           ..;oONMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMO'         .'cxKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWo.        .'cxKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMX:        ..:d0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMO'      .,lkXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWo.     .'ckKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMX:     .'cxKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MM0,  ..;oOXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWk'. .,lkXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNd...,lkXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMW0dld0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMW0xxONWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKO0XWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMWX00000XWMMMMMMWX00000KWMNK000000000000KWNK0000000000000KXWMMWX0000KNMMMMMMMNKK00000000KKNWMMMMMWX000000000KKXWMMMMMMMMMWXK0OO0KXWMMMMMMNK000000000KXNMMMMMMM
// MMMK:..''.;OMMMMMMK:..'..;0M0;............:00;..............oNMWO;.''..lXMMMMMWd'..........',:d0WMMNl...........':dKMMMMNOo;'......';oONMMMO;..........';lOWMMMM
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// MMMK;  :XK: .oNWx. ,ONl. 'OMO'  .''''''',xWMMMMMMMO' .lNMMMMWx. .:0NNNk' .;0MMWo.. .kMMMMMMMMNl. 'OXc. ..........:xXMXc. ,0MMMMMMMMMM0;  :XO'  .'''''....'oXMMMM
// MMMK;  :XWx. ,OK:..oNNl. 'OMO' .cKXXXXXXXWMMMMMMMMO' .lNMMMWO,  ..,,,,,.  .cXMWo.. .kMMMMMMMWk, .:KXc. .:ooool:..;oKMWd. .lXMMMMMMMMNo. .oWO' .,looooooxOXWMMMMM
// MMMK;  :KMXl..co..:KMNl. 'OMO' .:0KKKKKKKKXWMMMMMMO' .lNMMMK:. .:ccccccc,. .oNWo.. .oKKKKK0kl'..,OWXc. ,0MMMMMNx. .cXMXo. .;d0XXXX0x:. .lXMO' .lNMMMMMMMMMMMMMMM
// MMMK;  :XMMO, ....kWMNl. 'OMO'  ..........:KMMMMMMO' .lNMMXc. .oNMMMMMMMK:. .xNo.. ...........,oKWMXc. ,0MMMMMMXc. .dNMWOc'....''....'cONMMk' .lNMMMMMMMMMMMMMMM
// MMMNkookNMMWOooookNMMWOooxXMXxooooooooooooxXMMMMMMXxooOWMMKdooxXMMMMMMMMM0dookN0doloooooooodx0NWMMMWOooxXMMMMMMMKdookNMMMWXOxolcclodOXWMMMMXdooOWMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM

// SPDX-License-Identifier: BUSL 1.0
// Metadrop Contracts (v2.1.0)

pragma solidity 0.8.19;
import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import {EnumerableMap} from "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";
import {ERC20Spendable} from "../../ThirdParty/omnus/ERC20Spendable/ERC20Spendable.sol";
import {IERC20ByMetadropV1} from "./IERC20ByMetadropV1.sol";
import {IERC20FactoryByMetadropV1} from "../ERC20Factory/IERC20FactoryByMetadropV1.sol";
import {IUniswapV2Router02} from "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import {IUniswapV2Factory} from "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import {IUniswapV2Locker} from "../../ThirdParty/Unicrypt/IUniswapV2Locker.sol";
import {Ownable} from "../../Global/OZ/Ownable.sol";
import {Revert} from "../../Global/Revert.sol";
import {SafeERC20, IERC20} from "../../Global/OZ/SafeERC20.sol";
import {TaxAdmin} from "../../Global/TaxAdmin.sol";

/**
 * @dev Metadrop core ERC-20 contract
 *
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20ByMetadropV1 is
  Context,
  ERC20Spendable,
  IERC20ByMetadropV1,
  Ownable,
  TaxAdmin
{
  using EnumerableSet for EnumerableSet.AddressSet;
  using SafeERC20 for IERC20;

  uint256 public constant version = 100010001000000000;
  uint256 internal constant BP_DENOM = 10000;
  uint256 internal constant ROUND_DEC = 100000000000;

  IUniswapV2Locker internal immutable unicryptLocker;
  IUniswapV2Router02 internal immutable uniswapRouter;
  uint256 public immutable lpSupply;
  uint256 public immutable projectSupply;
  uint256 public immutable maxTokensPerTransaction;
  uint256 public immutable maxTokensPerWallet;
  uint256 public immutable maxProjectBuyTaxBasisPoints;
  uint256 public immutable maxProjectSellTaxBasisPoints;
  uint256 public immutable maxMetadropBuyTaxBasisPoints;
  uint256 public immutable maxMetadropSellTaxBasisPoints;
  uint256 public immutable lpLockupInDays;
  address public immutable metadropTreasury;
  address public immutable uniswapV2Pair;
  address internal immutable metadropV1Factory;
  uint256 internal immutable metadropTaxPeriodInDays;
  bool internal immutable tokenHasTax;
  bool internal immutable tokenHasLimits;

  /** @dev {Storage Slot 1} Vars read / written as part of transfers packed to a single
   * slot for warm reads / writes.
   *   Slot 1:
   *      128
   *       32
   *   16 * 5
   *    8 * 2
   *   ------
   *      256
   *   ------ */
  uint128 public projectTaxPendingSwap;
  uint32 public fundedDate;
  uint16 public projectBuyTaxBasisPoints;
  uint16 public projectSellTaxBasisPoints;
  uint16 public metadropBuyTaxBasisPoints;
  uint16 public metadropSellTaxBasisPoints;
  uint16 public swapThresholdBasisPoints;
  /** @dev {autoSwapEnabled} We start with {autoSwapEnabled} OFF, as we don't want to
   * call this when  processing initial liquidity from this address. We turn this on when
   * liquidity has been loaded, and use this bool to control processing during auto-swaps
   * from that point onwards. */
  bool private autoSwapEnabled = false;

  /** @dev {limitsEnabled} Similarly, we don't validate txn limits during liquidity loading. This is
   * automatically set to true when liquidity loading is complete.
   *
   * This can be set back to false by the tax admin. This is a neccesary fallback
   * position where on-chain actions cannot meet the validation and need to occur.
   * For example, someone may stake token into a staking contract over a number
   * of transactions until the staked balance is higher than the per txn limit.
   * If the developer of the staking contract has not considered the per txn
   * limit, and the 'unstake' method simply remits the entire user balance in
   * one txn, then this token would now be trapped in the staking contract. Under
   * these circumstances the limit can be turned off to allow the transaction to
   * proceed.
   *
   * After a given amount of time any successful token will have
   * become distributed such that a per transaction limit is less relevant. */
  bool private limitsEnabled = false;

  /** @dev {Storage Slot 2} Not read in transfers etc:
   *      160
   *   ------
   *      160
   *   ------ */
  address public projectTreasury;

  /** @dev {Storage Slot 3} Only written to if metadrop tax applies, otherwise no writes occur.
   * Note that although a uint128 supply limit applies to this contract we store this
   * as a uint256. As the evm uses uint256 for all vars we save the gas cost of the
   * implicit cast by using uint256, given there are no other vars we can sensibly
   * pack with. For the project tax we pack a uint128 with other vars read and written
   * as part of transfer processing, allowing a warm write.
   *   Slot 3:
   *      256
   *   ------
   *      256
   *   ------ */
  uint256 public metadropTaxPendingSwap;

  /** @dev {Storage Slot 4} Not read as part of transfers etc.
   *    256
   * ------
   *    256
   * ------ */
  uint256 private _totalSupply;

  /** @dev {Storage Slot 5 to n} Not read as part of transfers etc. */
  string private _name;
  string private _symbol;

  /** @dev {Social Links} These shouldn't have _ prefix as they are public, but we want these at the top */
  string public _1___website;
  string public _2___twitter;
  string public _3___telegram;
  string public _4___discord;

  /** @dev {_balances} Addresses balances */
  mapping(address => uint256) private _balances;

  /** @dev {_allowances} Addresses allocance details */
  mapping(address => mapping(address => uint256)) private _allowances;

  /** @dev {_liquidityPools} Enumerable set for liquidity pool addresses */
  EnumerableSet.AddressSet private _liquidityPools;

  /** @dev {_liquidityPools} Enumerable set for addresses where limits do not apply */
  EnumerableSet.AddressSet private _unlimited;

  /**
   * @dev {constructor}
   *
   * @param integrationAddresses_ The project owner, uniswap router and unicrypt locker.
   * @param baseParams_ configuration of this ERC20.
   * @param supplyParams_ Supply configuration of this ERC20.
   * @param taxParams_  Tax configuration of this ERC20
   */
  constructor(
    address[3] memory integrationAddresses_,
    bytes memory baseParams_,
    bytes memory supplyParams_,
    bytes memory taxParams_
  ) {
    _decodeBaseParams(integrationAddresses_[0], baseParams_);
    uniswapRouter = IUniswapV2Router02(integrationAddresses_[1]);
    unicryptLocker = IUniswapV2Locker(integrationAddresses_[2]);

    ERC20SupplyParameters memory supplyParams = abi.decode(
      supplyParams_,
      (ERC20SupplyParameters)
    );

    ERC20TaxParameters memory taxParams = abi.decode(
      taxParams_,
      (ERC20TaxParameters)
    );

    tokenHasLimits = _processSupplyParams(supplyParams);
    projectTreasury = supplyParams.projectTreasury;
    metadropTreasury = supplyParams.metadropTreasury;
    lpSupply = supplyParams.lpSupply * (10 ** decimals());
    projectSupply = supplyParams.projectSupply * (10 ** decimals());
    maxTokensPerWallet = supplyParams.maxTokensPerWallet * (10 ** decimals());
    maxTokensPerTransaction = supplyParams.maxTokensPerTxn * (10 ** decimals());
    lpLockupInDays = supplyParams.lpLockupInDays;

    tokenHasTax = _processTaxParams(taxParams);
    maxProjectBuyTaxBasisPoints = taxParams.maxProjectBuyTaxBasisPoints;
    maxProjectSellTaxBasisPoints = taxParams.maxProjectSellTaxBasisPoints;
    maxMetadropBuyTaxBasisPoints = taxParams.maxMetadropBuyTaxBasisPoints;
    maxMetadropSellTaxBasisPoints = taxParams.maxMetadropSellTaxBasisPoints;
    metadropTaxPeriodInDays = taxParams.metadropTaxPeriodInDays;
    swapThresholdBasisPoints = uint16(taxParams.taxSwapThresholdBasisPoints);

    metadropV1Factory = _msgSender();

    _mintBalances(lpSupply, projectSupply);

    uniswapV2Pair = _createPair();
  }

  /**
   * @dev {onlyOwnerOrFactory}
   *
   * Throws if called by any account other than the owner OR factory.
   */
  modifier onlyOwnerOrFactory() {
    if (metadropV1Factory != _msgSender() && owner() != _msgSender()) {
      _revert(CallerIsNotFactoryOrProjectOwner.selector);
    }
    _;
  }

  /**
   * @dev function {_decodeBaseParams}
   *
   * Decode NFT Parameters
   *
   * @param projectOwner_ The owner of this contract
   * @param encodedBaseParams_ The base params encoded into a bytes array
   */
  function _decodeBaseParams(
    address projectOwner_,
    bytes memory encodedBaseParams_
  ) internal {
    _transferOwnership(projectOwner_);
    _transferTaxAdmin(projectOwner_);

    (
      _name,
      _symbol,
      _1___website,
      _2___twitter,
      _3___telegram,
      _4___discord
    ) = abi.decode(
      encodedBaseParams_,
      (string, string, string, string, string, string)
    );
  }

  /**
   * @dev function {_processSupplyParams}
   *
   * Process provided supply params
   *
   * @param erc20SupplyParameters_ The supply params encoded into a bytes array
   */
  function _processSupplyParams(
    ERC20SupplyParameters memory erc20SupplyParameters_
  ) internal returns (bool tokenHasLimits_) {
    if (
      erc20SupplyParameters_.maxSupply !=
      (erc20SupplyParameters_.lpSupply + erc20SupplyParameters_.projectSupply)
    ) {
      _revert(SupplyTotalMismatch.selector);
    }

    if (erc20SupplyParameters_.maxSupply > type(uint128).max) {
      _revert(MaxSupplyTooHigh.selector);
    }

    if (erc20SupplyParameters_.lpLockupInDays > type(uint96).max) {
      _revert(LPLockUpMustFitUint96.selector);
    }

    _unlimited.add(erc20SupplyParameters_.projectTreasury);
    _unlimited.add(address(this));
    _unlimited.add(address(0));

    if (
      erc20SupplyParameters_.maxTokensPerTxn == 0 &&
      erc20SupplyParameters_.maxTokensPerWallet == 0
    ) {
      return false;
    } else {
      return true;
    }
  }

  /**
   * @dev function {_processTaxParams}
   *
   * Process provided tax params
   *
   * @param erc20TaxParameters_ The tax params encoded into a bytes array
   */
  function _processTaxParams(
    ERC20TaxParameters memory erc20TaxParameters_
  ) internal returns (bool tokenHasTax_) {
    /**
     * @dev We use the immutable var {tokenHasTax} to avoid unneccesary storage writes and reads. If this
     * token does NOT have tax applied then there is no need to store or read these parameters, and we can
     * avoid this simply by checking the immutable var. Pass back the value for this var from this method.
     */
    if (
      erc20TaxParameters_.projectBuyTaxBasisPoints == 0 &&
      erc20TaxParameters_.projectSellTaxBasisPoints == 0 &&
      erc20TaxParameters_.metadropBuyTaxBasisPoints == 0 &&
      erc20TaxParameters_.metadropSellTaxBasisPoints == 0 &&
      erc20TaxParameters_.maxProjectBuyTaxBasisPoints == 0 &&
      erc20TaxParameters_.maxProjectSellTaxBasisPoints == 0 &&
      erc20TaxParameters_.maxMetadropBuyTaxBasisPoints == 0 &&
      erc20TaxParameters_.maxMetadropSellTaxBasisPoints == 0
    ) {
      return false;
    } else {
      projectBuyTaxBasisPoints = uint16(
        erc20TaxParameters_.projectBuyTaxBasisPoints
      );
      projectSellTaxBasisPoints = uint16(
        erc20TaxParameters_.projectSellTaxBasisPoints
      );
      metadropBuyTaxBasisPoints = uint16(
        erc20TaxParameters_.metadropBuyTaxBasisPoints
      );
      metadropSellTaxBasisPoints = uint16(
        erc20TaxParameters_.metadropSellTaxBasisPoints
      );
      return true;
    }
  }

  /**
   * @dev function {_mintBalances}
   *
   * Mint initial balances
   *
   * @param lpMint_ The number of tokens for liquidity
   * @param projectMint_ The number of tokens for the project treasury
   */
  function _mintBalances(uint256 lpMint_, uint256 projectMint_) internal {
    if (lpMint_ > 0) {
      _mint(address(this), lpMint_);
    }
    if (projectMint_ > 0) {
      _mint(projectTreasury, projectMint_);
    }
  }

  /**
   * @dev function {_createPair}
   *
   * Create the uniswap pair
   *
   * @return uniswapV2Pair_ The pair address
   */
  function _createPair() internal returns (address uniswapV2Pair_) {
    if (_totalSupply > 0) {
      uniswapV2Pair_ = IUniswapV2Factory(uniswapRouter.factory()).createPair(
        address(this),
        uniswapRouter.WETH()
      );

      _liquidityPools.add(uniswapV2Pair_);
      emit LiquidityPoolCreated(uniswapV2Pair_);
    }
    _unlimited.add(address(uniswapRouter));
    _unlimited.add(uniswapV2Pair_);
    return (uniswapV2Pair_);
  }

  /**
   * @dev function {addInitialLiquidity}
   *
   * Add initial liquidity to the uniswap pair
   *
   * @param lockerFee_ The locker fee in wei. This must match the required fee from the external locker contract.
   */
  function addInitialLiquidity(
    uint256 lockerFee_
  ) public payable onlyOwnerOrFactory {
    if (lockerFee_ >= msg.value) {
      // The amount of ETH MUST exceed the locker fee, otherwise what liquidity are we adding?
      _revert(NoETHForLiquidityPair.selector);
    }
    _addInitialLiquidity((msg.value - lockerFee_), lockerFee_);
  }

  /**
   * @dev function {_addInitialLiquidity}
   *
   * Add initial liquidity to the uniswap pair (internal function that does the work)
   *
   * @param ethAmount_ The amount of ETH passed into the call
   * @param lockerFee_ The locker fee in wei. This must match the required fee from the external locker contract.
   */
  function _addInitialLiquidity(
    uint256 ethAmount_,
    uint256 lockerFee_
  ) internal {
    // Funded date is the date of first funding. We can only add initial liquidity once. If this date is set,
    // we cannot proceed
    if (fundedDate == 0) {
      fundedDate = uint32(block.timestamp);
    } else {
      _revert(InitialLiquidityAlreadyAdded.selector);
    }

    // Can only do this if this contract holds tokens:
    if (balanceOf(address(this)) == 0) {
      _revert(NoTokenForLiquidityPair.selector);
    }

    // Approve the uniswap router for an inifinite amount (max uint256)
    // This means that we don't need to worry about later incrememtal
    // approvals on tax swaps, as the uniswap router allowance will never
    // be decreased (see code in decreaseAllowance for reference)
    _approve(address(this), address(uniswapRouter), type(uint256).max);

    // Add the liquidity:
    (uint256 amountA, uint256 amountB, uint256 lpTokens) = uniswapRouter
      .addLiquidityETH{value: ethAmount_}(
      address(this),
      balanceOf(address(this)),
      0,
      0,
      address(this),
      block.timestamp
    );

    emit InitialLiquidityAdded(amountA, amountB, lpTokens);

    autoSwapEnabled = true;
    limitsEnabled = true;

    // Lock the liqidity:
    _lockInitialLiquidity(lockerFee_, lpTokens);
  }

  /**
   * @dev function {_lockInitialLiquidity}
   *
   * Lock initial liquidity on locker contract
   *
   * @param lockerFee_ The locker fee in wei. This must match the required fee from the external locker contract.
   * @param lpTokens_ The amount of LP tokens to be locked
   */
  function _lockInitialLiquidity(
    uint256 lockerFee_,
    uint256 lpTokens_
  ) internal {
    IERC20(uniswapV2Pair).approve(address(unicryptLocker), lpTokens_);

    unicryptLocker.lockLPToken{value: lockerFee_}(
      uniswapV2Pair,
      IERC20(uniswapV2Pair).balanceOf(address(this)),
      block.timestamp + (lpLockupInDays * 1 days),
      payable(address(0)),
      true,
      payable(projectTreasury)
    );

    emit LiquidityLocked();
  }

  /**
   * @dev function {isLiquidityPool}
   *
   * Return if an address is a liquidity pool
   *
   * @param queryAddress_ The address being queried
   * @return bool The address is / isn't a liquidity pool
   */
  function isLiquidityPool(address queryAddress_) public view returns (bool) {
    /** @dev We check the uniswapV2Pair address first as this is an immutable variable and therefore does not need
     * to be fetched from storage, saving gas if this address IS the uniswapV2Pool. We also add this address
     * to the enumerated set for ease of reference (for example it is returned in the getter), and it does
     * not add gas to any other calls, that still complete in 0(1) time.
     */
    return (queryAddress_ == uniswapV2Pair ||
      _liquidityPools.contains(queryAddress_));
  }

  /**
   * @dev function {addLiquidityPool} onlyTaxAdmin
   *
   * Allows the tax admin to add a liquidity pool to the pool enumerable set
   *
   * @param newLiquidityPool_ The address of the new liquidity pool
   */
  function addLiquidityPool(address newLiquidityPool_) public onlyTaxAdmin {
    // Don't allow calls that didn't pass an address:
    if (newLiquidityPool_ == address(0)) {
      _revert(LiquidityPoolCannotBeAddressZero.selector);
    }
    // Only allow smart contract addresses to be added, as only these can be pools:
    if (newLiquidityPool_.code.length == 0) {
      _revert(LiquidityPoolMustBeAContractAddress.selector);
    }
    // Add this to the enumerated list:
    _liquidityPools.add(newLiquidityPool_);
    emit LiquidityPoolAdded(newLiquidityPool_);
  }

  /**
   * @dev function {removeLiquidityPool} onlyTaxAdmin
   *
   * Allows the tax admin to remove a liquidity pool
   *
   * @param removedLiquidityPool_ The address of the old removed liquidity pool
   */
  function removeLiquidityPool(
    address removedLiquidityPool_
  ) public onlyTaxAdmin {
    // Remove this from the enumerated list:
    _liquidityPools.remove(removedLiquidityPool_);
    emit LiquidityPoolRemoved(removedLiquidityPool_);
  }

  /**
   * @dev function {isUnlimited}
   *
   * Return if an address is unlimited (is not subject to per txn and per wallet limits)
   *
   * @param queryAddress_ The address being queried
   * @return bool The address is / isn't unlimited
   */
  function isUnlimited(address queryAddress_) public view returns (bool) {
    return (_unlimited.contains(queryAddress_));
  }

  /**
   * @dev function {addUnlimited} onlyTaxAdmin
   *
   * Allows the tax admin to add an unlimited address
   *
   * @param newUnlimited_ The address of the new unlimited address
   */
  function addUnlimited(address newUnlimited_) public onlyTaxAdmin {
    // Add this to the enumerated list:
    _unlimited.add(newUnlimited_);
    emit UnlimitedAddressAdded(newUnlimited_);
  }

  /**
   * @dev function {removeUnlimited} onlyTaxAdmin
   *
   * Allows the tax admin to remove an unlimited address
   *
   * @param removedUnlimited_ The address of the old removed unlimited address
   */
  function removeUnlimited(address removedUnlimited_) public onlyTaxAdmin {
    // Remove this from the enumerated list:
    _unlimited.remove(removedUnlimited_);
    emit UnlimitedAddressRemoved(removedUnlimited_);
  }

  /**
   * @dev function {setLimitsEnabledStatus} onlyTaxAdmin
   *
   * Allows the tax admin to enable / disable tokens per txn and per holder validation.
   *
   * @param enabled_ Should limits be on?
   */
  function setLimitsEnabledStatus(bool enabled_) public onlyTaxAdmin {
    limitsEnabled = enabled_;
    emit SetLimitsEnabled(enabled_);
  }

  /**
   * @dev function {setProjectTreasury} onlyTaxAdmin
   *
   * Allows the tax admin to set the treasury address
   *
   * @param projectTreasury_ New treasury address
   */
  function setProjectTreasury(address projectTreasury_) public onlyTaxAdmin {
    projectTreasury = projectTreasury_;
    emit TreasuryUpdated(projectTreasury_);
  }

  /**
   * @dev function {setSwapThresholdBasisPoints} onlyTaxAdmin
   *
   * Allows the tax admin to set the autoswap threshold
   *
   * @param swapThresholdBasisPoints_ New swap threshold in basis points
   */
  function setSwapThresholdBasisPoints(
    uint16 swapThresholdBasisPoints_
  ) public onlyTaxAdmin {
    uint256 oldswapThresholdBasisPoints = swapThresholdBasisPoints;
    swapThresholdBasisPoints = swapThresholdBasisPoints_;
    emit AutoSwapThresholdUpdated(
      oldswapThresholdBasisPoints,
      swapThresholdBasisPoints_
    );
  }

  /**
   * @dev function {withdrawETH} onlyOwner
   *
   * Allows the owner to withdraw ETH
   *
   * @param amount_ The amount to withdraw
   */
  function withdrawETH(uint256 amount_) external onlyOwner {
    (bool success, ) = owner().call{value: amount_}("");
    if (!success) {
      _revert(TransferFailed.selector);
    }
  }

  /**
   * @dev function {withdrawERC20} onlyOwner
   *
   * A withdraw function to allow ERC20s to be withdrawn.
   *
   * @param token_ The address of the token being withdrawn
   * @param amount_ The amount to withdraw
   */
  function withdrawERC20(IERC20 token_, uint256 amount_) external onlyOwner {
    token_.safeTransfer(owner(), amount_);
  }

  /**
   * @dev function {setProjectTaxRates} onlyTaxAdmin
   *
   * Change the tax rates, subject to max rate
   *
   * @param newProjectBuyTaxBasisPoints_ The new buy tax rate
   * @param newProjectSellTaxBasisPoints_ The new sell tax rate
   */
  function setProjectTaxRates(
    uint16 newProjectBuyTaxBasisPoints_,
    uint16 newProjectSellTaxBasisPoints_
  ) external onlyTaxAdmin {
    // Cannot increase above the maximum:
    if (newProjectBuyTaxBasisPoints_ > maxProjectBuyTaxBasisPoints) {
      _revert(NewBuyTaxBasisPointsExceedsMaximum.selector);
    }
    // Cannot increase above the maximum:
    if (newProjectSellTaxBasisPoints_ > maxProjectSellTaxBasisPoints) {
      _revert(NewSellTaxBasisPointsExceedsMaximum.selector);
    }

    uint16 oldBuyTaxBasisPoints = projectBuyTaxBasisPoints;
    projectBuyTaxBasisPoints = newProjectBuyTaxBasisPoints_;

    uint16 oldSellTaxBasisPoints = projectSellTaxBasisPoints;
    projectSellTaxBasisPoints = newProjectSellTaxBasisPoints_;

    emit ProjectTaxBasisPointsChanged(
      oldBuyTaxBasisPoints,
      newProjectBuyTaxBasisPoints_,
      oldSellTaxBasisPoints,
      newProjectSellTaxBasisPoints_
    );
  }

  /**
   * @dev function {setMetadropTaxRates} onlyTaxAdmin
   *
   * Change the tax rates, subject to max rate and minimum tax period.
   *
   * @param newMetadropBuyTaxBasisPoints_ The new buy tax rate
   * @param newMetadropSellTaxBasisPoints_ The new sell tax rate
   */
  function setMetadropTaxRates(
    uint16 newMetadropBuyTaxBasisPoints_,
    uint16 newMetadropSellTaxBasisPoints_
  ) external onlyTaxAdmin {
    // Cannot increase above the maximum:
    if (newMetadropBuyTaxBasisPoints_ > maxMetadropBuyTaxBasisPoints) {
      _revert(NewBuyTaxBasisPointsExceedsMaximum.selector);
    }

    // Cannot increase above the maximum:
    if (newMetadropSellTaxBasisPoints_ > maxMetadropSellTaxBasisPoints) {
      _revert(NewSellTaxBasisPointsExceedsMaximum.selector);
    }

    // Reducing the basis points can only occur after the tax period:
    if (
      (newMetadropBuyTaxBasisPoints_ < metadropBuyTaxBasisPoints ||
        newMetadropSellTaxBasisPoints_ < metadropSellTaxBasisPoints) &&
      block.timestamp < (fundedDate + (metadropTaxPeriodInDays * 1 days))
    ) {
      _revert(TaxPeriodStillInForce.selector);
    }

    uint16 oldBuyTaxBasisPoints = metadropBuyTaxBasisPoints;
    uint16 oldSellTaxBasisPoints = metadropSellTaxBasisPoints;

    metadropBuyTaxBasisPoints = newMetadropBuyTaxBasisPoints_;
    metadropSellTaxBasisPoints = newMetadropSellTaxBasisPoints_;

    emit MetadropTaxBasisPointsChanged(
      oldBuyTaxBasisPoints,
      newMetadropBuyTaxBasisPoints_,
      oldSellTaxBasisPoints,
      newMetadropSellTaxBasisPoints_
    );
  }

  /**
   * @dev Returns the name of the token.
   */
  function name() public view virtual override returns (string memory) {
    return _name;
  }

  /**
   * @dev Returns the symbol of the token, usually a shorter version of the
   * name.
   */
  function symbol() public view virtual override returns (string memory) {
    return _symbol;
  }

  /**
   * @dev Returns the number of decimals used to get its user representation.
   * For example, if `decimals` equals `2`, a balance of `505` tokens should
   * be displayed to a user as `5.05` (`505 / 10 ** 2`).
   *
   * Tokens usually opt for a value of 18, imitating the relationship between
   * Ether and Wei. This is the default value returned by this function, unless
   * it's overridden.
   *
   * NOTE: This information is only used for _display_ purposes: it in
   * no way affects any of the arithmetic of the contract, including
   * {IERC20-balanceOf} and {IERC20-transfer}.
   */
  function decimals() public view virtual override returns (uint8) {
    return 18;
  }

  /**
   * @dev See {IERC20-totalSupply}.
   */
  function totalSupply() public view virtual override returns (uint256) {
    return _totalSupply;
  }

  /**
   * @dev Provide easy to view tax total:
   */
  function _totalBuyTaxBasisPoints() internal view returns (uint256) {
    return projectBuyTaxBasisPoints + metadropBuyTaxBasisPoints;
  }

  /**
   * @dev Provide easy to view tax total:
   */
  function _totalSellTaxBasisPoints() internal view returns (uint256) {
    return projectSellTaxBasisPoints + metadropSellTaxBasisPoints;
  }

  /**
   * @dev See {IERC20-balanceOf}.
   */
  function balanceOf(
    address account
  ) public view virtual override returns (uint256) {
    return _balances[account];
  }

  /**
   * @dev See {IERC20-transfer}.
   *
   * Requirements:
   *
   * - `to` cannot be the zero address.
   * - the caller must have a balance of at least `amount`.
   */
  function transfer(
    address to,
    uint256 amount
  ) public virtual override(ERC20Spendable, IERC20) returns (bool) {
    address owner = _msgSender();
    _transfer(
      owner,
      to,
      amount,
      (isLiquidityPool(owner) || isLiquidityPool(to))
    );
    return true;
  }

  /**
   * @dev See {IERC20-allowance}.
   */
  function allowance(
    address owner,
    address spender
  ) public view virtual override returns (uint256) {
    return _allowances[owner][spender];
  }

  /**
   * @dev See {IERC20-approve}.
   *
   * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
   * `transferFrom`. This is semantically equivalent to an infinite approval.
   *
   * Requirements:
   *
   * - `spender` cannot be the zero address.
   */
  function approve(
    address spender,
    uint256 amount
  ) public virtual override returns (bool) {
    address owner = _msgSender();
    _approve(owner, spender, amount);
    return true;
  }

  /**
   * @dev See {IERC20-transferFrom}.
   *
   * Emits an {Approval} event indicating the updated allowance. This is not
   * required by the EIP. See the note at the beginning of {ERC20}.
   *
   * NOTE: Does not update the allowance if the current allowance
   * is the maximum `uint256`.
   *
   * Requirements:
   *
   * - `from` and `to` cannot be the zero address.
   * - `from` must have a balance of at least `amount`.
   * - the caller must have allowance for ``from``'s tokens of at least
   * `amount`.
   */
  function transferFrom(
    address from,
    address to,
    uint256 amount
  ) public virtual override returns (bool) {
    address spender = _msgSender();
    _spendAllowance(from, spender, amount);
    _transfer(from, to, amount, (isLiquidityPool(from) || isLiquidityPool(to)));
    return true;
  }

  /**
   * @dev Atomically increases the allowance granted to `spender` by the caller.
   *
   * This is an alternative to {approve} that can be used as a mitigation for
   * problems described in {IERC20-approve}.
   *
   * Emits an {Approval} event indicating the updated allowance.
   *
   * Requirements:
   *
   * - `spender` cannot be the zero address.
   */
  function increaseAllowance(
    address spender,
    uint256 addedValue
  ) public virtual returns (bool) {
    address owner = _msgSender();
    _approve(owner, spender, allowance(owner, spender) + addedValue);
    return true;
  }

  /**
   * @dev Atomically decreases the allowance granted to `spender` by the caller.
   *
   * This is an alternative to {approve} that can be used as a mitigation for
   * problems described in {IERC20-approve}.
   *
   * Emits an {Approval} event indicating the updated allowance.
   *
   * Requirements:
   *
   * - `spender` cannot be the zero address.
   * - `spender` must have allowance for the caller of at least
   * `subtractedValue`.
   */
  function decreaseAllowance(
    address spender,
    uint256 subtractedValue
  ) public virtual returns (bool) {
    address owner = _msgSender();
    uint256 currentAllowance = allowance(owner, spender);
    if (currentAllowance < subtractedValue) {
      _revert(AllowanceDecreasedBelowZero.selector);
    }
    unchecked {
      _approve(owner, spender, currentAllowance - subtractedValue);
    }

    return true;
  }

  /**
   * @dev Moves `amount` of tokens from `from` to `to`.
   *
   * This internal function is equivalent to {transfer}, and can be used to
   * e.g. implement automatic token fees, slashing mechanisms, etc.
   *
   * Emits a {Transfer} event.
   *
   * Requirements:
   *
   * - `from` cannot be the zero address.
   * - `to` cannot be the zero address.
   * - `from` must have a balance of at least `amount`.
   */
  function _transfer(
    address from,
    address to,
    uint256 amount,
    bool applyTax
  ) internal virtual {
    _beforeTokenTransfer(from, to, amount);

    // Perform pre-tax validation (e.g. amount doesn't exceed balance, max txn amount)
    uint256 fromBalance = _pretaxValidationAndLimits(from, to, amount);

    // Perform autoswap if eligible
    _autoSwap(from, to);

    // Process taxes
    uint256 amountMinusTax = _taxProcessing(applyTax, to, from, amount);

    // Perform post-tax validation (e.g. total balance after post-tax amount applied)
    _posttaxValidationAndLimits(from, to, amountMinusTax);

    _balances[from] = fromBalance - amount;
    _balances[to] += amountMinusTax;

    emit Transfer(from, to, amountMinusTax);

    _afterTokenTransfer(from, to, amount);
  }

  /**
   * @dev function {_pretaxValidationAndLimits}
   *
   * Perform validation on pre-tax amounts
   *
   * @param from_ From address for the transaction
   * @param to_ To address for the transaction
   * @param amount_ Amount of the transaction
   */
  function _pretaxValidationAndLimits(
    address from_,
    address to_,
    uint256 amount_
  ) internal view returns (uint256 fromBalance_) {
    if (from_ == address(0)) {
      _revert(TransferFromZeroAddress.selector);
    }

    if (to_ == address(0)) {
      _revert(TransferToZeroAddress.selector);
    }

    fromBalance_ = _balances[from_];

    if (fromBalance_ < amount_) {
      _revert(TransferAmountExceedsBalance.selector);
    }

    // Liquidity pools aren't always going to round cleanly. This can (and does)
    // mean that a limit of 5,000 tokens (for example) will trigger on a transfer
    // of 5,000 tokens, as the transfer is actually for 5,000.00000000000000213.
    // While 4,999 will work fine, it isn't hugely user friendly. So we buffer
    // the limit with rounding decimals, which in all cases are considerably less
    // than one whole token:
    uint256 roundedLimited;

    unchecked {
      roundedLimited = maxTokensPerTransaction + ROUND_DEC;
    }

    if (
      tokenHasLimits &&
      limitsEnabled &&
      (maxTokensPerTransaction != 0) &&
      (amount_ > roundedLimited) &&
      ((isLiquidityPool(from_) && !isUnlimited(to_)) ||
        (isLiquidityPool(to_) && !isUnlimited(from_)))
    ) {
      _revert(MaxTokensPerTxnExceeded.selector);
    }

    return (fromBalance_);
  }

  /**
   * @dev function {_posttaxValidationAndLimits}
   *
   * Perform validation on post-tax amounts
   *
   * @param to_ To address for the transaction
   * @param amount_ Amount of the transaction
   */
  function _posttaxValidationAndLimits(
    address from_,
    address to_,
    uint256 amount_
  ) internal view returns (uint256 fromBalance_) {
    // Liquidity pools aren't always going to round cleanly. This can (and does)
    // mean that a limit of 5,000 tokens (for example) will trigger on a max holding
    // of 5,000 tokens, as the transfer to achieve that is actually for
    // 5,000.00000000000000213. While 4,999 will work fine, it isn't hugely user friendly.
    // So we buffer the limit with rounding decimals, which in all cases are considerably
    // less than one whole token:
    uint256 roundedLimited;

    unchecked {
      roundedLimited = maxTokensPerWallet + ROUND_DEC;
    }
    if (
      tokenHasLimits &&
      limitsEnabled &&
      (maxTokensPerWallet != 0) &&
      (amount_ + balanceOf(to_) > roundedLimited) &&
      // If this is a buy (from a liquidity pool), we apply if the to_
      // address isn't noted as unlimited:
      (isLiquidityPool(from_) && !isUnlimited(to_))
    ) {
      _revert(MaxTokensPerWalletExceeded.selector);
    }

    return (fromBalance_);
  }

  /**
   * @dev function {_taxProcessing}
   *
   * Perform tax processing
   *
   * @param applyTax_ Do we apply tax to this transaction?
   * @param to_ The reciever of the token
   * @param from_ The sender of the token
   * @param sentAmount_ The amount being send
   * @return amountLessTax_ The amount that will be recieved, i.e. the send amount minus tax
   */
  function _taxProcessing(
    bool applyTax_,
    address to_,
    address from_,
    uint256 sentAmount_
  ) internal returns (uint256 amountLessTax_) {
    amountLessTax_ = sentAmount_;
    unchecked {
      if (tokenHasTax && applyTax_ && autoSwapEnabled) {
        uint256 tax;

        // on sell
        if (isLiquidityPool(to_) && _totalSellTaxBasisPoints() > 0) {
          if (projectSellTaxBasisPoints > 0) {
            uint256 projectTax = ((sentAmount_ * projectSellTaxBasisPoints) /
              BP_DENOM);
            projectTaxPendingSwap += uint128(projectTax);
            tax += projectTax;
          }
          if (metadropSellTaxBasisPoints > 0) {
            uint256 metadropTax = ((sentAmount_ * metadropSellTaxBasisPoints) /
              BP_DENOM);
            metadropTaxPendingSwap += uint128(metadropTax);
            tax += metadropTax;
          }
        }
        // on buy
        else if (isLiquidityPool(from_) && _totalBuyTaxBasisPoints() > 0) {
          if (projectBuyTaxBasisPoints > 0) {
            uint256 projectTax = ((sentAmount_ * projectBuyTaxBasisPoints) /
              BP_DENOM);
            projectTaxPendingSwap += uint128(projectTax);
            tax += projectTax;
          }
          if (metadropBuyTaxBasisPoints > 0) {
            uint256 metadropTax = ((sentAmount_ * metadropBuyTaxBasisPoints) /
              BP_DENOM);
            metadropTaxPendingSwap += uint128(metadropTax);
            tax += metadropTax;
          }
        }

        if (tax > 0) {
          _balances[address(this)] += tax;
          emit Transfer(from_, address(this), tax);
          amountLessTax_ -= tax;
        }
      }
    }
    return (amountLessTax_);
  }

  /**
   * @dev function {_autoSwap}
   *
   * Automate the swap of accumulated tax fees to native token
   *
   * @param from_ The sender of the token
   */
  function _autoSwap(address from_, address to_) internal {
    if (tokenHasTax) {
      uint256 taxBalance = balanceOf(address(this));

      if (_eligibleForSwap(from_, to_, taxBalance)) {
        // Store that a swap back is in progress:
        autoSwapEnabled = false;
        // Perform the auto swap to native token:
        _swapTaxForNative(taxBalance);
        // Flag that the autoswap is complete:
        autoSwapEnabled = true;
      }
    }
  }

  /**
   * @dev function {_eligibleForSwap}
   *
   * Is the current transfer eligible for autoswap
   *
   * @param from_ The sender of the token
   * @param taxBalance_ The current accumulated tax balance
   */
  function _eligibleForSwap(
    address from_,
    address to_,
    uint256 taxBalance_
  ) internal view returns (bool) {
    return (taxBalance_ >=
      ((_totalSupply * swapThresholdBasisPoints) / BP_DENOM) &&
      autoSwapEnabled &&
      !isLiquidityPool(from_) &&
      from_ != address(uniswapRouter) &&
      to_ != address(uniswapRouter));
  }

  /**
   * @dev function {_swapTaxForNative}
   *
   * Swap tokens taken as tax for native token
   *
   * @param taxBalance_ The current accumulated tax balance
   */
  function _swapTaxForNative(uint256 taxBalance_) internal {
    uint256 preSwapBalance = address(this).balance;

    address[] memory path = new address[](2);
    path[0] = address(this);
    path[1] = uniswapRouter.WETH();

    uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
      taxBalance_,
      0,
      path,
      address(this),
      block.timestamp
    );

    uint256 postSwapBalance = address(this).balance;

    uint256 balanceToDistribute = postSwapBalance - preSwapBalance;

    uint256 projectBalanceToDistribute = (balanceToDistribute *
      projectTaxPendingSwap) / (projectTaxPendingSwap + metadropTaxPendingSwap);

    uint256 metadropBalanceToDistribute = (balanceToDistribute *
      metadropTaxPendingSwap) /
      (projectTaxPendingSwap + metadropTaxPendingSwap);

    (projectTaxPendingSwap, metadropTaxPendingSwap) = (0, 0);

    // Distribute to treasuries:
    bool success;
    (success, ) = projectTreasury.call{value: projectBalanceToDistribute}("");
    if (!success) {
      _revert(TransferFailed.selector);
    }

    (success, ) = metadropTreasury.call{value: metadropBalanceToDistribute}("");
    if (!success) {
      _revert(TransferFailed.selector);
    }
  }

  /** @dev Creates `amount` tokens and assigns them to `account`, increasing
   * the total supply.
   *
   * Emits a {Transfer} event with `from` set to the zero address.
   *
   * Requirements:
   *
   * - `account` cannot be the zero address.
   */
  function _mint(address account, uint256 amount) internal virtual {
    if (account == address(0)) {
      _revert(MintToZeroAddress.selector);
    }

    _beforeTokenTransfer(address(0), account, amount);

    _totalSupply += amount;
    unchecked {
      // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
      _balances[account] += amount;
    }
    emit Transfer(address(0), account, amount);

    _afterTokenTransfer(address(0), account, amount);
  }

  /**
   * @dev Destroys `amount` tokens from `account`, reducing the
   * total supply.
   *
   * Emits a {Transfer} event with `to` set to the zero address.
   *
   * Requirements:
   *
   * - `account` cannot be the zero address.
   * - `account` must have at least `amount` tokens.
   */
  function _burn(address account, uint256 amount) internal virtual {
    if (account == address(0)) {
      _revert(BurnFromTheZeroAddress.selector);
    }

    _beforeTokenTransfer(account, address(0), amount);

    uint256 accountBalance = _balances[account];
    if (accountBalance < amount) {
      _revert(BurnExceedsBalance.selector);
    }

    unchecked {
      _balances[account] = accountBalance - amount;
      // Overflow not possible: amount <= accountBalance <= totalSupply.
      _totalSupply -= amount;
    }

    emit Transfer(account, address(0), amount);

    _afterTokenTransfer(account, address(0), amount);
  }

  /**
   * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
   *
   * This internal function is equivalent to `approve`, and can be used to
   * e.g. set automatic allowances for certain subsystems, etc.
   *
   * Emits an {Approval} event.
   *
   * Requirements:
   *
   * - `owner` cannot be the zero address.
   * - `spender` cannot be the zero address.
   */
  function _approve(
    address owner,
    address spender,
    uint256 amount
  ) internal virtual {
    if (owner == address(0)) {
      _revert(ApproveFromTheZeroAddress.selector);
    }

    if (spender == address(0)) {
      _revert(ApproveToTheZeroAddress.selector);
    }

    _allowances[owner][spender] = amount;
    emit Approval(owner, spender, amount);
  }

  /**
   * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
   *
   * Does not update the allowance amount in case of infinite allowance.
   * Revert if not enough allowance is available.
   *
   * Might emit an {Approval} event.
   */
  function _spendAllowance(
    address owner,
    address spender,
    uint256 amount
  ) internal virtual {
    uint256 currentAllowance = allowance(owner, spender);
    if (currentAllowance != type(uint256).max) {
      if (currentAllowance < amount) {
        _revert(InsufficientAllowance.selector);
      }

      unchecked {
        _approve(owner, spender, currentAllowance - amount);
      }
    }
  }

  /**
   * @dev Destroys a `value` amount of tokens from the caller.
   *
   * See {ERC20-_burn}.
   */
  function burn(uint256 value) public virtual {
    _burn(_msgSender(), value);
  }

  /**
   * @dev Destroys a `value` amount of tokens from `account`, deducting from
   * the caller's allowance.
   *
   * See {ERC20-_burn} and {ERC20-allowance}.
   *
   * Requirements:
   *
   * - the caller must have allowance for ``accounts``'s tokens of at least
   * `value`.
   */
  function burnFrom(address account, uint256 value) public virtual {
    _spendAllowance(account, _msgSender(), value);
    _burn(account, value);
  }

  /**
   * @dev Hook that is called before any transfer of tokens. This includes
   * minting and burning.
   *
   * Calling conditions:
   *
   * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
   * will be transferred to `to`.
   * - when `from` is zero, `amount` tokens will be minted for `to`.
   * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
   * - `from` and `to` are never both zero.
   *
   * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
   */
  function _beforeTokenTransfer(
    address from,
    address to,
    uint256 amount
  ) internal virtual {}

  /**
   * @dev Hook that is called after any transfer of tokens. This includes
   * minting and burning.
   *
   * Calling conditions:
   *
   * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
   * has been transferred to `to`.
   * - when `from` is zero, `amount` tokens have been minted for `to`.
   * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
   * - `from` and `to` are never both zero.
   *
   * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
   */
  function _afterTokenTransfer(
    address from,
    address to,
    uint256 amount
  ) internal virtual {}

  receive() external payable {}
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

pragma solidity 0.8.19;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IConfigStructures} from "../../Global/IConfigStructures.sol";
import {IERC20ConfigByMetadropV1} from "./IERC20ConfigByMetadropV1.sol";

/**
 * @dev Metadrop core ERC-20 contract, interface
 */
interface IERC20ByMetadropV1 is
  IERC20,
  IERC20ConfigByMetadropV1,
  IERC20Metadata,
  IConfigStructures
{
  struct SocialLinks {
    string linkType;
    string link;
  }

  event AutoSwapThresholdUpdated(uint256 oldThreshold, uint256 newThreshold);

  event ProjectTaxBasisPointsChanged(
    uint256 oldBuyBasisPoints,
    uint256 newBuyBasisPoints,
    uint256 oldSellBasisPoints,
    uint256 newSellBasisPoints
  );

  event MetadropTaxBasisPointsChanged(
    uint256 oldBuyBasisPoints,
    uint256 newBuyBasisPoints,
    uint256 oldSellBasisPoints,
    uint256 newSellBasisPoints
  );

  event LiquidityPoolCreated(address addedPool);

  event LiquidityPoolAdded(address addedPool);

  event LiquidityPoolRemoved(address removedPool);

  event InitialLiquidityAdded(uint256 tokenA, uint256 tokenB, uint256 lpToken);

  event LiquidityLocked();

  event RevenueAutoSwap();

  event SetLimitsEnabled(bool enabled);

  event TreasuryUpdated(address treasury);

  event UnlimitedAddressAdded(address addedUnlimted);

  event UnlimitedAddressRemoved(address removedUnlimted);

  /**
   * @dev function {addInitialLiquidity}
   *
   * Add initial liquidity to the uniswap pair
   *
   * @param lockerFee_ The locker fee in wei. This must match the required fee from the external locker contract.
   */
  function addInitialLiquidity(uint256 lockerFee_) external payable;

  /**
   * @dev function {isLiquidityPool}
   *
   * Return if an address is a liquidity pool
   *
   * @param queryAddress_ The address being queried
   * @return bool The address is / isn't a liquidity pool
   */
  function isLiquidityPool(address queryAddress_) external view returns (bool);

  /**
   * @dev function {addLiquidityPool} onlyTaxAdmin
   *
   * Allows the tax admin to add a liquidity pool to the pool enumerable set
   *
   * @param newLiquidityPool_ The address of the new liquidity pool
   */
  function addLiquidityPool(address newLiquidityPool_) external;

  /**
   * @dev function {removeLiquidityPool} onlyTaxAdmin
   *
   * Allows the tax admin to remove a liquidity pool
   *
   * @param removedLiquidityPool_ The address of the old removed liquidity pool
   */
  function removeLiquidityPool(address removedLiquidityPool_) external;

  /**
   * @dev function {isUnlimited}
   *
   * Return if an address is unlimited (is not subject to per txn and per wallet limits)
   *
   * @param queryAddress_ The address being queried
   * @return bool The address is / isn't unlimited
   */
  function isUnlimited(address queryAddress_) external view returns (bool);

  /**
   * @dev function {addUnlimited} onlyTaxAdmin
   *
   * Allows the tax admin to add an unlimited address
   *
   * @param newUnlimited_ The address of the new unlimited address
   */
  function addUnlimited(address newUnlimited_) external;

  /**
   * @dev function {removeUnlimited} onlyTaxAdmin
   *
   * Allows the tax admin to remove an unlimited address
   *
   * @param removedUnlimited_ The address of the old removed unlimited address
   */
  function removeUnlimited(address removedUnlimited_) external;

  /**
   * @dev function {setLimitsEnabledStatus} onlyTaxAdmin
   *
   * Allows the tax admin to enable / disable tokens per txn and per holder validation.
   *
   * @param enabled_ Should limits be on?
   */
  function setLimitsEnabledStatus(bool enabled_) external;

  /**
   * @dev function {setProjectTreasury} onlyTaxAdmin
   *
   * Allows the tax admin to set the treasury address
   *
   * @param projectTreasury_ New treasury address
   */
  function setProjectTreasury(address projectTreasury_) external;

  /**
   * @dev function {setSwapThresholdBasisPoints} onlyTaxAdmin
   *
   * Allows the tax admin to set the autoswap threshold
   *
   * @param swapThresholdBasisPoints_ New swap threshold in basis points
   */
  function setSwapThresholdBasisPoints(
    uint16 swapThresholdBasisPoints_
  ) external;

  /**
   * @dev function {withdrawETH} onlyOwner
   *
   * Allows the owner to withdraw ETH
   *
   * @param amount_ The amount to withdraw
   */
  function withdrawETH(uint256 amount_) external;

  /**
   * @dev function {withdrawERC20} onlyOwner
   *
   * A withdraw function to allow ERC20s to be withdrawn.
   *
   * @param token_ The address of the token being withdrawn
   * @param amount_ The amount to withdraw
   */
  function withdrawERC20(IERC20 token_, uint256 amount_) external;

  /**
   * @dev function {setProjectTaxRates} onlyTaxAdmin
   *
   * Change the tax rates, subject to max rate
   *
   * @param newProjectBuyTaxBasisPoints_ The new buy tax rate
   * @param newProjectSellTaxBasisPoints_ The new sell tax rate
   */
  function setProjectTaxRates(
    uint16 newProjectBuyTaxBasisPoints_,
    uint16 newProjectSellTaxBasisPoints_
  ) external;

  /**
   * @dev function {setMetadropTaxRates} onlyTaxAdmin
   *
   * Change the tax rates, subject to max rate and minimum tax period.
   *
   * @param newMetadropBuyTaxBasisPoints_ The new buy tax rate
   * @param newMetadropSellTaxBasisPoints_ The new sell tax rate
   */
  function setMetadropTaxRates(
    uint16 newMetadropBuyTaxBasisPoints_,
    uint16 newMetadropSellTaxBasisPoints_
  ) external;
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

/**
 *
 * @title IERC20ByMetadrop.sol. Interface for metadrop ERC20 standard
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

interface IERC20ConfigByMetadropV1 {
  struct ERC20Config {
    bytes baseParameters;
    bytes supplyParameters;
    bytes taxParameters;
  }

  struct ERC20BaseParameters {
    string name;
    string symbol;
    string website;
    string twitter;
    string telegram;
    string otherSocials;
  }

  struct ERC20SupplyParameters {
    uint256 maxSupply;
    uint256 lpSupply;
    uint256 projectSupply;
    uint256 maxTokensPerWallet;
    uint256 maxTokensPerTxn;
    uint256 lpLockupInDays;
    bool addLiquidityOnCreate;
    address projectTreasury;
    address metadropTreasury;
  }

  struct ERC20TaxParameters {
    uint256 projectBuyTaxBasisPoints;
    uint256 projectSellTaxBasisPoints;
    uint256 maxProjectBuyTaxBasisPoints;
    uint256 maxProjectSellTaxBasisPoints;
    uint256 taxSwapThresholdBasisPoints;
    uint256 metadropBuyTaxBasisPoints;
    uint256 metadropSellTaxBasisPoints;
    uint256 maxMetadropBuyTaxBasisPoints;
    uint256 maxMetadropSellTaxBasisPoints;
    uint256 metadropTaxPeriodInDays;
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

pragma solidity 0.8.19;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IConfigStructures} from "../../Global/IConfigStructures.sol";
import {IErrors} from "../../Global/IErrors.sol";
import {IERC20ConfigByMetadropV1} from "../ERC20/IERC20ConfigByMetadropV1.sol";

/**
 * @dev Metadrop ERC-20 factory, interface
 */
interface IERC20FactoryByMetadropV1 is
  IConfigStructures,
  IErrors,
  IERC20ConfigByMetadropV1
{
  event ERC20Created(
    string metaId,
    address indexed deployer,
    address contractInstance,
    string symbol,
    string name
  );

  /**
   * @dev function {setMetadropOracleAddress} onlyPlatformAdmin
   *
   * Set the metadrop trusted oracle address
   *
   * @param metadropOracleAddress_ Trusted metadrop oracle address
   */
  function setMetadropOracleAddress(address metadropOracleAddress_) external;

  /**
   * @dev function {setMessageValidityInSeconds} onlyPlatformAdmin
   *
   * Set the validity period of signed messages
   *
   * @param messageValidityInSeconds_ Validity period in seconds for messages signed by the trusted oracle
   */
  function setMessageValidityInSeconds(
    uint256 messageValidityInSeconds_
  ) external;

  /**
   * @dev function {setPlatformTreasury} onlySuperAdmin
   *
   * Set the address that platform fees will be paid to / can be withdrawn to.
   * Note that this is restricted to the highest authority level, the super
   * admin. Platform admins can trigger a withdrawal to the treasury, but only
   * the default admin can set or alter the treasury address. It is recommended
   * that the default admin is highly secured and restrited e.g. a multi-sig.
   *
   * @param platformTreasury_ New treasury address
   */
  function setPlatformTreasury(address platformTreasury_) external;

  /**
   * @dev function {withdrawETH} onlyPlatformAdmin
   *
   * A withdraw function to allow ETH to be withdrawn to the treasury
   *
   * @param amount_ The amount to withdraw
   */
  function withdrawETH(uint256 amount_) external;

  /**
   * @dev function {withdrawERC20} onlyPlatformAdmin
   *
   * A withdraw function to allow ERC20s to be withdrawn to the treasury
   *
   * @param token_ The contract address of the token being withdrawn
   * @param amount_ The amount to withdraw
   */
  function withdrawERC20(IERC20 token_, uint256 amount_) external;

  /**
   * @dev function {createERC20}
   *
   * Create an ERC-20
   *
   * @param metaId_ The drop Id being approved
   * @param salt_ Salt for create2
   * @param erc20Config_ ERC20 configuration
   * @param signedMessage_ The signed message object
   * @param lockerFee_ The fee for the unicrypt locker
   * @param deploymentFee_ The fee for deployment, if any
   * @return deployedAddress_ The deployed ERC20 contract address
   */
  function createERC20(
    string calldata metaId_,
    bytes32 salt_,
    ERC20Config calldata erc20Config_,
    SignedDropMessageDetails calldata signedMessage_,
    uint256 lockerFee_,
    uint256 deploymentFee_
  ) external payable returns (address deployedAddress_);

  /**
   * @dev function {createConfigHash}
   *
   * Create the config hash
   *
   * @param metaId_ The drop Id being approved
   * @param salt_ Salt for create2
   * @param erc20Config_ ERC20 configuration
   * @param messageTimeStamp_ When the message for this config hash was signed
   * @param lockerFee_ The fee for the unicrypt locker
   * @param deploymentFee_ The fee for deployment, if any
   * @param deployer_ Address performing the deployment
   * @return configHash_ The bytes32 config hash
   */
  function createConfigHash(
    string calldata metaId_,
    bytes32 salt_,
    ERC20Config calldata erc20Config_,
    uint256 messageTimeStamp_,
    uint256 lockerFee_,
    uint256 deploymentFee_,
    address deployer_
  ) external pure returns (bytes32 configHash_);
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

/**
 *
 * @title AuthorityModel.sol. Library for global authority components
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

/**
 *
 * @dev Inheritance details:
 *      EnumerableSet           OZ enumerable mapping sets
 *      IErrors                 Interface for platform error definitions
 *
 */

import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import {IErrors} from "./IErrors.sol";
import {Revert} from "./Revert.sol";

contract AuthorityModel is IErrors, Revert {
  using EnumerableSet for EnumerableSet.AddressSet;

  event SuperAdminTransferred(address oldSuperAdmin, address newSuperAdmin);
  event PlatformAdminAdded(address platformAdmin);
  event PlatformAdminRevoked(address platformAdmin);

  // Address for the factory:
  address public factory;

  // The super admin can grant and revoke roles
  address public superAdmin;

  // Enumerable set to store platform admins:
  EnumerableSet.AddressSet private _platformAdmins;

  /** ====================================================================================================================
   *                                                       MODIFIERS
   * =====================================================================================================================
   */
  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlySuperAdmin. The associated action can only be taken by the super admin (an address with the
   * default admin role).
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlySuperAdmin() {
    if (!isSuperAdmin(msg.sender)) revert CallerIsNotSuperAdmin(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyPlatformAdmin. The associated action can only be taken by an address with the
   * platform admin role.
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyPlatformAdmin() {
    if (!isPlatformAdmin(msg.sender))
      revert CallerIsNotPlatformAdmin(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->GETTER
   * @dev (function) isSuperAdmin   check if an address is the super admin
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return bool
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function isSuperAdmin(address queryAddress_) public view returns (bool) {
    return (superAdmin == queryAddress_);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->GETTER
   * @dev (function) isPlatformAdmin   check if an address is a platform admin
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return bool
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function isPlatformAdmin(address queryAddress_) public view returns (bool) {
    return (_platformAdmins.contains(queryAddress_));
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (function) grantPlatformAdmin  Allows the super user Default Admin to add an address to the platform admin group
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newPlatformAdmin_              The address of the new platform admin
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function grantPlatformAdmin(address newPlatformAdmin_) public onlySuperAdmin {
    if (newPlatformAdmin_ == address(0)) {
      _revert(PlatformAdminCannotBeAddressZero.selector);
    }
    // Add this to the enumerated list:
    _platformAdmins.add(newPlatformAdmin_);
    emit PlatformAdminAdded(newPlatformAdmin_);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (function) revokePlatformAdmin  Allows the super user Default Admin to revoke from the platform admin group
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param oldPlatformAdmin_              The address of the old platform admin
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function revokePlatformAdmin(
    address oldPlatformAdmin_
  ) public onlySuperAdmin {
    // Remove this from the enumerated list:
    _platformAdmins.remove(oldPlatformAdmin_);
    emit PlatformAdminRevoked(oldPlatformAdmin_);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (function) transferSuperAdmin  Allows the super user Default Admin to transfer this right to another address
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newSuperAdmin_              The address of the new default admin
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferSuperAdmin(address newSuperAdmin_) public onlySuperAdmin {
    address oldSuperAdmin = superAdmin;
    // Update storage of this address:
    superAdmin = newSuperAdmin_;
    emit SuperAdminTransferred(oldSuperAdmin, newSuperAdmin_);
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

/**
 *
 * @title IConfigStructures.sol. Interface for common config structures used accross the platform
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

interface IConfigStructures {
  enum DropStatus {
    approved,
    deployed,
    cancelled
  }

  enum TemplateStatus {
    live,
    terminated
  }

  // The current status of the mint:
  //   - notEnabled: This type of mint is not part of this drop
  //   - notYetOpen: This type of mint is part of the drop, but it hasn't started yet
  //   - open: it's ready for ya, get in there.
  //   - finished: been and gone.
  //   - unknown: theoretically impossible.
  enum MintStatus {
    notEnabled,
    notYetOpen,
    open,
    finished,
    unknown
  }

  struct SubListConfig {
    uint256 start;
    uint256 end;
    uint256 phaseMaxSupply;
  }

  struct PrimarySaleModuleInstance {
    address instanceAddress;
    string instanceDescription;
  }

  struct NFTModuleConfig {
    uint256 templateId;
    bytes configData;
    bytes vestingData;
  }

  struct PrimarySaleModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct ProjectBeneficiary {
    address payable payeeAddress;
    uint256 payeeShares;
  }

  struct VestingConfig {
    uint256 start;
    uint256 projectUpFrontShare;
    uint256 projectVestedShare;
    uint256 vestingPeriodInDays;
    uint256 vestingCliff;
    ProjectBeneficiary[] projectPayees;
  }

  struct RoyaltySplitterModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct InLifeModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct InLifeModules {
    InLifeModuleConfig[] modules;
  }

  struct NFTConfig {
    uint256 supply;
    string name;
    string symbol;
    bytes32 positionProof;
    bool includePriorPhasesInMintTracking;
    bool singleMetadataCollection;
    uint256 reservedAllocation;
    uint256 assistanceRequestWindowInSeconds;
  }

  struct Template {
    TemplateStatus status;
    uint16 templateNumber;
    uint32 loadedDate;
    address payable templateAddress;
    string templateDescription;
  }

  struct RoyaltyDetails {
    address newRoyaltyPaymentSplitterInstance;
    uint96 royaltyFromSalesInBasisPoints;
  }

  struct SignedDropMessageDetails {
    uint256 messageTimeStamp;
    bytes32 messageHash;
    bytes messageSignature;
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

/**
 *
 * @title IErrors.sol. Interface for error definitions used across the platform
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

interface IErrors {
  enum BondingCurveErrorType {
    OK, //                                                  No error
    INVALID_NUMITEMS, //                                    The numItem value is 0
    SPOT_PRICE_OVERFLOW //                                  The updated spot price doesn't fit into 128 bits
  }

  error AdapterParamsMustBeEmpty(); //                      The adapter parameters on this LZ call must be empty.

  error AddressAlreadySet(); //                             The address being set can only be set once, and is already non-0.

  error AllowanceDecreasedBelowZero(); //                   You cannot decrease the allowance below zero.

  error AlreadyInitialised(); //                            The contract is already initialised: it cannot be initialised twice!

  error ApprovalCallerNotOwnerNorApproved(); //             The caller must own the token or be an approved operator.

  error ApproveFromTheZeroAddress(); //                     Approval cannot be called from the zero address (indeed, how have you??).

  error ApproveToTheZeroAddress(); //                       Approval cannot be given to the zero address.

  error ApprovalQueryForNonexistentToken(); //              The token does not exist.

  error AuctionStatusIsNotEnded(); //                       Throw if the action required the auction to be closed, and it isn't.

  error AuctionStatusIsNotOpen(); //                        Throw if the action requires the auction to be open, and it isn't.

  error AuxCallFailed(
    address[] modules,
    uint256 value,
    bytes data,
    uint256 txGas
  ); //                                                     An auxilliary call from the drop factory failed.

  error BalanceQueryForZeroAddress(); //                    Cannot query the balance for the zero address.

  error BidMustBeBelowTheFloorWhenReducingQuantity(); //    Only bids that are below the floor can reduce the quantity of the bid.

  error BidMustBeBelowTheFloorForRefundDuringAuction(); //  Only bids that are below the floor can be refunded during the auction.

  error BondingCurveError(BondingCurveErrorType error); //  An error of the type specified has occured in bonding curve processing.

  error BurnExceedsBalance(); //                            The amount you have selected to burn exceeds the addresses balance.

  error BurnFromTheZeroAddress(); //                        Tokens cannot be burned from the zero address. (Also, how have you called this!?!)

  error CallerIsNotFactory(); //                            The caller of this function must match the factory address in storage.

  error CallerIsNotFactoryOrProjectOwner(); //              The caller of this function must match the factory address OR project owner address.

  error CallerIsNotTheOwner(); //                           The caller is not the owner of this contract.

  error CallerIsNotTheTaxAdmin(); //                        The caller is not the tax admin of this contract.

  error CallerMustBeLzApp(); //                             The caller must be an LZ application.

  error CallerIsNotPlatformAdmin(address caller); //        The caller of this function must be part of the platformAdmin group.

  error CallerIsNotSuperAdmin(address caller); //           The caller of this function must match the superAdmin address in storage.

  error CannotSetNewOwnerToTheZeroAddress(); //             You can't set the owner of this contract to the zero address (address(0)).

  error CannotSetToZeroAddress(); //                        The corresponding address cannot be set to the zero address (address(0)).

  error CannotSetNewTaxAdminToTheZeroAddress(); //          Cannot transfer the tax admin to the zero address (address(0)).

  error CollectionAlreadyRevealed(); //                     The collection is already revealed; you cannot call reveal again.

  error ContractIsPaused(); //                              The call requires the contract to be unpaused, and it is paused.

  error ContractIsNotPaused(); //                           The call required the contract to be paused, and it is NOT paused.

  error DecreasedAllowanceBelowZero(); //                   The request would decrease the allowance below zero, and that is not allowed.

  error DestinationIsNotTrustedSource(); //                 The destination that is being called through LZ has not been set as trusted.

  error GasLimitIsTooLow(); //                              The gas limit for the LayerZero call is too low.

  error IncorrectConfirmationValue(); //                    You need to enter the right confirmation value to call this funtion (usually 69420).

  error IncorrectPayment(); //                              The function call did not include passing the correct payment.

  error InitialLiquidityAlreadyAdded(); //                  Initial liquidity has already been added. You can't do it again.

  error InsufficientAllowance(); //                         There is not a high enough allowance for this operation.

  error InvalidAdapterParams(); //                          The current adapter params for LayerZero on this contract won't work :(.

  error InvalidAddress(); //                                An address being processed in the function is not valid.

  error InvalidEndpointCaller(); //                         The calling address is not a valid LZ endpoint. The LZ endpoint was set at contract creation
  //                                                        and cannot be altered after. Check the address LZ endpoint address on the contract.

  error InvalidMinGas(); //                                 The minimum gas setting for LZ in invalid.

  error InvalidOracleSignature(); //                        The signature provided with the contract call is not valid, either in format or signer.

  error InvalidPayload(); //                                The LZ payload is invalid

  error InvalidReceiver(); //                               The address used as a target for funds is not valid.

  error InvalidSourceSendingContract(); //                  The LZ message is being related from a source contract on another chain that is NOT trusted.

  error InvalidTotalShares(); //                            Total shares must equal 100 percent in basis points.

  error ListLengthMismatch(); //                            Two or more lists were compared and they did not match length.

  error LiquidityPoolMustBeAContractAddress(); //           Cannot add a non-contract as a liquidity pool.

  error LiquidityPoolCannotBeAddressZero(); //              Cannot add a liquidity pool from the zero address.

  error LPLockUpMustFitUint96(); //                         LP lockup is held in a uint96, so must fit.

  error NoTrustedPathRecord(); //                           LZ needs a trusted path record for this to work. What's that, you ask?

  error MaxBidQuantityIs255(); //                           Validation: as we use a uint8 array to track bid positions the max bid quantity is 255.

  error MaxPublicMintAllowanceExceeded(
    uint256 requested,
    uint256 alreadyMinted,
    uint256 maxAllowance
  ); //                                                     The calling address has requested a quantity that would exceed the max allowance.

  error MaxSupplyTooHigh(); //                              Max supply must fit in a uint128.

  error MaxTokensPerWalletExceeded(); //                    The transfer would exceed the max tokens per wallet limit.

  error MaxTokensPerTxnExceeded(); //                       The transfer would exceed the max tokens per transaction limit.

  error MetadataIsLocked(); //                              The metadata on this contract is locked; it cannot be altered!

  error MetadropFactoryOnlyOncePerReveal(); //              This function can only be called (a) by the factory and, (b) just one time!

  error MetadropModulesOnly(); //                           Can only be called from a metadrop contract.

  error MetadropOracleCannotBeAddressZero(); //             The metadrop Oracle cannot be the zero address (address(0)).

  error MinGasLimitNotSet(); //                             The minimum gas limit for LayerZero has not been set.

  error MintERC2309QuantityExceedsLimit(); //               The `quantity` minted with ERC2309 exceeds the safety limit.

  error MintingIsClosedForever(); //                        Minting is, as the error suggests, so over (and locked forever).

  error MintToZeroAddress(); //                             Cannot mint to the zero address.

  error MintZeroQuantity(); //                              The quantity of tokens minted must be more than zero.

  error NewBuyTaxBasisPointsExceedsMaximum(); //            Project owner trying to set the tax rate too high.

  error NewSellTaxBasisPointsExceedsMaximum(); //           Project owner trying to set the tax rate too high.

  error NoETHForLiquidityPair(); //                         No ETH has been provided for the liquidity pair.

  error TaxPeriodStillInForce(); //                         The minimum tax period has not yet expired.

  error NoPaymentDue(); //                                  No payment is due for this address.

  error NoRefundForCaller(); //                             Error thrown when the calling address has no refund owed.

  error NoStoredMessage(); //                               There is no stored message matching the passed parameters.

  error NoTokenForLiquidityPair(); //                       There is no token to add to the LP.

  error OperationDidNotSucceed(); //                        The operation failed (vague much?).

  error OracleSignatureHasExpired(); //                     A signature has been provided but it is too old.

  error OwnershipNotInitializedForExtraData(); //           The `extraData` cannot be set on an uninitialized ownership slot.

  error OwnerQueryForNonexistentToken(); //                 The token does not exist.

  error ParametersDoNotMatchSignedMessage(); //             The parameters passed with the signed message do not match the message itself.

  error PassedConfigDoesNotMatchApproved(); //              The config provided on the call does not match the approved config.

  error PauseCutOffHasPassed(); //                          The time period in which we can pause has passed; this contract can no longer be paused.

  error PaymentMustCoverPerMintFee(); //                    The payment passed must at least cover the per mint fee for the quantity requested.

  error PermitDidNotSucceed(); //                           The safeERC20 permit failed.

  error PlatformAdminCannotBeAddressZero(); //              We cannot use the zero address (address(0)) as a platformAdmin.

  error PlatformTreasuryCannotBeAddressZero(); //           The treasury address cannot be set to the zero address.

  error ProjectOwnerCannotBeAddressZero(); //               The project owner has to be a non zero address.

  error ProofInvalid(); //                                  The provided proof is not valid with the provided arguments.

  error QuantityExceedsRemainingCollectionSupply(); //      The requested quantity would breach the collection supply.

  error QuantityExceedsRemainingPhaseSupply(); //           The requested quantity would breach the phase supply.

  error QuantityExceedsMaxPossibleCollectionSupply(); //    The requested quantity would breach the maximum trackable supply

  error ReferralIdAlreadyUsed(); //                         This referral ID has already been used; they are one use only.

  error RequestingMoreThanRemainingAllocation(
    uint256 previouslyMinted,
    uint256 requested,
    uint256 remainingAllocation
  ); //                                                     Number of tokens requested for this mint exceeds the remaining allocation (taking the
  //                                                        original allocation from the list and deducting minted tokens).

  error RoyaltyFeeWillExceedSalePrice(); //                 The ERC2981 royalty specified will exceed the sale price.

  error ShareTotalCannotBeZero(); //                        The total of all the shares cannot be nothing.

  error SliceOutOfBounds(); //                              The bytes slice operation was out of bounds.

  error SliceOverflow(); //                                 The bytes slice operation overlowed.

  error SuperAdminCannotBeAddressZero(); //                 The superAdmin cannot be the sero address (address(0)).

  error SupplyTotalMismatch(); //                           The sum of the team supply and lp supply does not match.

  error SupportWindowIsNotOpen(); //                        The project owner has not requested support within the support request expiry window.

  error TaxFreeAddressCannotBeAddressZero(); //             A tax free address cannot be address(0)

  error TemplateCannotBeAddressZero(); //                   The address for a template cannot be address zero (address(0)).

  error TemplateNotFound(); //                              There is no template that matches the passed template Id.

  error ThisMintIsClosed(); //                              It's over (well, this mint is, anyway).

  error TotalSharesMustMatchDenominator(); //               The total of all shares must equal the denominator value.

  error TransferAmountExceedsBalance(); //                  The transfer amount exceeds the accounts available balance.

  error TransferCallerNotOwnerNorApproved(); //             The caller must own the token or be an approved operator.

  error TransferFailed(); //                                The transfer has failed.

  error TransferFromIncorrectOwner(); //                    The token must be owned by `from`.

  error TransferToNonERC721ReceiverImplementer(); //        Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.

  error TransferFromZeroAddress(); //                       Cannot transfer from the zero address. Indeed, this surely is impossible, and likely a waste to check??

  error TransferToZeroAddress(); //                         Cannot transfer to the zero address.

  error UnrecognisedVRFMode(); //                           Currently supported VRF modes are 0: chainlink and 1: arrng

  error URIQueryForNonexistentToken(); //                   The token does not exist.

  error ValueExceedsMaximum(); //                           The value sent exceeds the maximum allowed (super useful explanation huh?).

  error VRFCoordinatorCannotBeAddressZero(); //             The VRF coordinator cannot be the zero address (address(0)).
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)
// Metadrop based on OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity 0.8.19;

import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {IErrors} from "../IErrors.sol";
import {Revert} from "../Revert.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 IErrors, Revert, Context {
  address private _owner;

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

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

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    _checkOwner();
    _;
  }

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

  /**
   * @dev Throws if the sender is not the owner.
   */
  function _checkOwner() internal view virtual {
    if (owner() != _msgSender()) {
      _revert(CallerIsNotTheOwner.selector);
    }
  }

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

  /**
   * @dev Transfers ownership of the contract to a new account (`newOwner`).
   * Internal function without access restriction.
   */
  function _transferOwnership(address newOwner) internal virtual {
    address oldOwner = _owner;
    _owner = newOwner;
    emit OwnershipTransferred(oldOwner, newOwner);
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)
// Metadrop based on OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity 0.8.19;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {IErrors} from "../IErrors.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
  using Address for address;

  /**
   * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
   * non-reverting calls are assumed to be successful.
   */
  function safeTransfer(IERC20 token, address to, uint256 value) internal {
    _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
  }

  /**
   * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
   * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
   */
  function safeTransferFrom(
    IERC20 token,
    address from,
    address to,
    uint256 value
  ) internal {
    _callOptionalReturn(
      token,
      abi.encodeCall(token.transferFrom, (from, to, value))
    );
  }

  /**
   * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
   * non-reverting calls are assumed to be successful.
   */
  function safeIncreaseAllowance(
    IERC20 token,
    address spender,
    uint256 value
  ) internal {
    uint256 oldAllowance = token.allowance(address(this), spender);
    forceApprove(token, spender, oldAllowance + value);
  }

  /**
   * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
   * non-reverting calls are assumed to be successful.
   */
  function safeDecreaseAllowance(
    IERC20 token,
    address spender,
    uint256 value
  ) internal {
    unchecked {
      uint256 oldAllowance = token.allowance(address(this), spender);
      if (oldAllowance < value) {
        revert IErrors.DecreasedAllowanceBelowZero();
      }
      forceApprove(token, spender, oldAllowance - value);
    }
  }

  /**
   * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
   * non-reverting calls are assumed to be successful. Compatible with tokens that require the approval to be set to
   * 0 before setting it to a non-zero value.
   */
  function forceApprove(IERC20 token, address spender, uint256 value) internal {
    bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

    if (!_callOptionalReturnBool(token, approvalCall)) {
      _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
      _callOptionalReturn(token, approvalCall);
    }
  }

  /**
   * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
   * Revert on invalid signature.
   */
  function safePermit(
    IERC20Permit token,
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) internal {
    uint256 nonceBefore = token.nonces(owner);
    token.permit(owner, spender, value, deadline, v, r, s);
    uint256 nonceAfter = token.nonces(owner);
    if (nonceAfter != (nonceBefore + 1)) {
      revert IErrors.PermitDidNotSucceed();
    }
  }

  /**
   * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
   * on the return value: the return value is optional (but if data is returned, it must not be false).
   * @param token The token targeted by the call.
   * @param data The call data (encoded using abi.encode or one of its variants).
   */
  function _callOptionalReturn(IERC20 token, bytes memory data) private {
    // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
    // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
    // the target address contains contract code and also asserts for success in the low-level call.

    bytes memory returndata = address(token).functionCall(data, "call fail");
    if ((returndata.length != 0) && !abi.decode(returndata, (bool))) {
      revert IErrors.OperationDidNotSucceed();
    }
  }

  /**
   * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
   * on the return value: the return value is optional (but if data is returned, it must not be false).
   * @param token The token targeted by the call.
   * @param data The call data (encoded using abi.encode or one of its variants).
   *
   * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
   */
  function _callOptionalReturnBool(
    IERC20 token,
    bytes memory data
  ) private returns (bool) {
    // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
    // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
    // and not revert is the subcall reverts.

    (bool success, bytes memory returndata) = address(token).call(data);
    return
      success &&
      (returndata.length == 0 || abi.decode(returndata, (bool))) &&
      address(token).code.length > 0;
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)

/**
 *
 * @title Revert.sol. For efficient reverts
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

abstract contract Revert {
  /**
   * @dev For more efficient reverts.
   */
  function _revert(bytes4 errorSelector) internal pure {
    assembly {
      mstore(0x00, errorSelector)
      revert(0x00, 0x04)
    }
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)
// Metadrop based on OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity 0.8.19;

import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {IErrors} from "./IErrors.sol";
import {Revert} from "./Revert.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 TaxAdmin is IErrors, Revert, Context {
  address private _taxAdmin;

  event TaxAdminTransferred(
    address indexed previousTaxAdmin,
    address indexed newTaxAdmin
  );

  constructor() {}

  /**
   * @dev Throws if called by any account other than the tax admin.
   */
  modifier onlyTaxAdmin() {
    _checkTaxAdmin();
    _;
  }

  /**
   * @dev Returns the address of the current tax admin.
   */
  function taxAdmin() public view virtual returns (address) {
    return _taxAdmin;
  }

  /**
   * @dev Throws if the sender is not the tax admin.
   */
  function _checkTaxAdmin() internal view virtual {
    if (taxAdmin() != _msgSender()) {
      _revert(CallerIsNotTheTaxAdmin.selector);
    }
  }

  /**
   * @dev Leaves the contract without a tax admin. It will not be possible to call
   * `onlyTaxAdmin` functions. Can only be called by the current tax admin.
   *
   * NOTE: Renouncing taxAdmin will leave the contract without an tax admim,
   * thereby disabling any functionality that is only available to the tax admin.
   */
  function renounceTaxAdmin() public virtual onlyTaxAdmin {
    _transferTaxAdmin(address(0));
  }

  /**
   * @dev Transfers the tax admin of the contract to a new account (`newTaxAdmin`).
   * Can only be called by the current tax admin.
   */
  function transferTaxAdmin(address newTaxAdmin) public virtual onlyTaxAdmin {
    if (newTaxAdmin == address(0)) {
      _revert(CannotSetNewTaxAdminToTheZeroAddress.selector);
    }
    _transferTaxAdmin(newTaxAdmin);
  }

  /**
   * @dev Transfers the tax admin of the contract to a new account (`newTaxAdmin`).
   * Internal function without access restriction.
   */
  function _transferTaxAdmin(address newTaxAdmin) internal virtual {
    address oldTaxAdmin = _taxAdmin;
    _taxAdmin = newTaxAdmin;
    emit TaxAdminTransferred(oldTaxAdmin, newTaxAdmin);
  }
}

// SPDX-License-Identifier: CC0-1.0
// Omnus Contracts v3
// https://omn.us/spendable
// https://github.com/omnus/ERC20Spendable
// npm: @omnus/ERC20Spendable

pragma solidity 0.8.19;

import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {IERC20Spendable} from "./IERC20Spendable.sol";
import {IERC20SpendableReceiver} from "./IERC20SpendableReceiver.sol";

/**
 * @title ERC-7492 ERC20Spendable.sol
 *
 * @author omnus
 * https://omn.us
 *
 * @dev Implementation of {ERC20Spendable}.
 *
 * {ERC-7492 ERC20Spendable} allows ERC20s to operate as 'spendable' items, i.e. an ERC20 token that
 * can trigger an action on another contract at the same time as being transfered. Similar to ERC677
 * and the hooks in ERC777, but with more of an empasis on interoperability (returned values) than
 * ERC677 and specifically scoped interaction rather than the general hooks of ERC777.
 *
 * For more detailed notes please see our guide https://omn.us/how-to-implement-erc20-spendable
 */
abstract contract ERC20Spendable is Context, IERC20Spendable {
  /**
   * @dev {spend} Allows the transfer of the owners token to the receiver, a call on the receiver,
   * and then the return of information from the receiver back up the call stack.
   *
   * Overloaded method - call this if you are not specifying any arguments.
   *
   * @param receiver_ The receiving address for this token spend. Contracts must implement
   * ERCSpendableReceiver to receive spendadle tokens. For more detail see {ERC20SpendableReceiver}.
   * @param spent_ The amount of token being spent. This will be transfered as part of this call and
   * provided as an argument on the call to {onERC20SpendableReceived} on the {ERC20SpendableReceiver}.
   */
  function spend(address receiver_, uint256 spent_) public virtual {
    spend(receiver_, spent_, "");
  }

  /**
   * @dev {spend} Allows the transfer of the owners token to the receiver, a call on the receiver, and
   * the return of information from the receiver back up the call stack.
   *
   * Overloaded method - call this to specify a bytes argument.
   *
   * @param receiver_ The receiving address for this token spend. Contracts must implement
   * ERCSpendableReceiver to receive spendadle tokens. For more detail see {ERC20SpendableReceiver}.
   * @param spent_ The amount of token being spent. This will be transfered as part of this call and
   * provided as an argument on the call to {onERC20SpendableReceived} on the {ERC20SpendableReceiver}.
   * @param arguments_ Bytes argument to send with the call. See {mock} contracts for details on encoding
   * and decoding arguments from bytes.
   */
  function spend(
    address receiver_,
    uint256 spent_,
    bytes memory arguments_
  ) public virtual {
    /**
     * @dev Transfer tokens to the receiver contract IF this is a non-0 amount. Don't try and transfer 0,
     * which leavesopen the possibility that the call is free. If not, the function call after will fail
     * and revert. Why would a {spend} method call ever be free? For example, a service provider may be
     * taking their ERC20 token as payment for a service. But they want to offer it for free, perhaps for a
     * limited time. Under this situation the spend callcan be used in all cases, but sending 0 token while
     * it is free, removing the need for different interfaces.
     *
     * We use the standard ERC20 public transfer method for the transfer, which means two things:
     * 1) This can only be called by the token owner (but that is the entire point!)
     * 2) We inherit all of the security checks in this method (e.g. owner has sufficient balance etc.)
     */
    if (spent_ != 0) {
      transfer(receiver_, spent_);
    }

    /**
     * @dev Perform actions on the receiver and return arguments back up the callstack. In addition to allowing
     * the execution of the hook within the receiver, this call provides the same feature as onERC721Received
     * in the ERC721 standard.
     */
    if (receiver_.code.length > 0) {
      try
        IERC20SpendableReceiver(receiver_).onERC20SpendableReceived(
          _msgSender(),
          spent_,
          arguments_
        )
      returns (bytes4 retval, bytes memory returnedArguments) {
        if (
          retval != IERC20SpendableReceiver.onERC20SpendableReceived.selector
        ) {
          revert ERC20SpendableInvalidReveiver(receiver_);
        }
        emit SpendReceipt(
          _msgSender(),
          receiver_,
          spent_,
          arguments_,
          returnedArguments
        );
        /// @dev Handle returned values. Specify an override {_handleReceipt} method in your ERC20 contract if
        /// you wish to handle returned arguments.
        _handleReceipt(returnedArguments);
      } catch (bytes memory reason) {
        if (reason.length == 0) {
          revert ERC20SpendableInvalidReveiver(receiver_);
        } else {
          /// @solidity memory-safe-assembly
          assembly {
            revert(add(32, reason), mload(reason))
          }
        }
      }
    }
  }

  /**
   * @dev {_handleReceipt} Internal function called on completion of a call to {onERC20SpendableReceived}
   * on the {ERC20SpendableReceiver}.
   *
   * When making a token {ERC20Spendable} if you wish to process receipts you need to override
   * {_handleReceipt} in your contract. For an example, see {mock} contract {MockSpendableERC20ReturnedArgs}.
   *
   * @param returnedArguments_ Bytes argument to returned from the call. See {mock} contracts for details on
   * encoding and decoding arguments from bytes.
   */
  function _handleReceipt(bytes memory returnedArguments_) internal virtual {}

  /**
   * @dev See {IERC165-supportsInterface}. This can be used to determine if an ERC20 is ERC20Spendable. For
   * example, a DEX may check this value, and make use of a single {spend} transaction (rather than the current
   * model of [approve -> pull]) if the ERC20Spendable interface is supported.
   *
   * @param interfaceId_ The bytes4 interface identifier being checked.
   */
  function supportsInterface(
    bytes4 interfaceId_
  ) public view virtual returns (bool) {
    // The interface IDs are constants representing the first 4 bytes
    // of the XOR of all function selectors in the interface.
    // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
    // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
    return interfaceId_ == type(IERC20Spendable).interfaceId;
  }

  /**
   * @dev override this in your implementation
   *
   * @dev See {IERC20-transfer}.
   *
   * Requirements:
   *
   * - `to` cannot be the zero address.
   * - the caller must have a balance of at least `amount`.
   */
  function transfer(address to, uint256 amount) public virtual returns (bool) {}
}

// SPDX-License-Identifier: CC0-1.0
// Omnus Contracts v3
// https://omn.us/spendable
// https://github.com/omnus/ERC20Spendable
// npm: @omnus/ERC20Spendable

pragma solidity ^0.8.19;

/**
 * @title ERC-7492 IERC20Spendable.sol
 *
 * @author omnus
 * https://omn.us
 *
 * @dev Implementation of {IERC20Spendable} interface.
 *
 * {ERC-7492 ERC20Spendable} allows ERC20s to operate as 'spendable' items, i.e. an ERC20 token that
 * can trigger an action on another contract at the same time as being transfered. Similar to ERC677
 * and the hooks in ERC777, but with more of an empasis on interoperability (returned values) than
 * ERC677 and specifically scoped interaction rather than the general hooks of ERC777.
 *
 * For more detailed notes please see our guide https://omn.us/how-to-implement-erc20-spendable
 */

interface IERC20Spendable {
  /// @dev Error {ERC20SpendableInvalidReveiver} The called contract does not support ERC20Spendable.
  error ERC20SpendableInvalidReveiver(address receiver);

  /// @dev Event {SpendReceipt} issued on successful return from the {ERC20SpendableReceiver} call.
  event SpendReceipt(
    address spender,
    address receiver,
    uint256 amount,
    bytes sentArguments,
    bytes returnedArguments
  );

  /**
   * @dev {spend} Allows the transfer of the owners token to the receiver, a call on the receiver,
   * and then the return of information from the receiver back up the call stack.
   *
   * Overloaded method - call this if you are not specifying any arguments.
   *
   * @param receiver_ The receiving address for this token spend. Contracts must implement
   * ERCSpendableReceiver to receive spendadle tokens. For more detail see {ERC20SpendableReceiver}.
   * @param spent_ The amount of token being spent. This will be transfered as part of this call and
   * provided as an argument on the call to {onERC20SpendableReceived} on the {ERC20SpendableReceiver}.
   */
  function spend(address receiver_, uint256 spent_) external;

  /**
   * @dev {spend} Allows the transfer of the owners token to the receiver, a call on the receiver, and
   * the return of information from the receiver back up the call stack.
   *
   * Overloaded method - call this to specify a bytes argument.
   *
   * @param receiver_ The receiving address for this token spend. Contracts must implement
   * ERCSpendableReceiver to receive spendadle tokens. For more detail see {ERC20SpendableReceiver}.
   * @param spent_ The amount of token being spent. This will be transfered as part of this call and
   * provided as an argument on the call to {onERC20SpendableReceived} on the {ERC20SpendableReceiver}.
   * @param arguments_ Bytes argument to send with the call. See {mock} contracts for details on encoding
   * and decoding arguments from bytes.
   */
  function spend(
    address receiver_,
    uint256 spent_,
    bytes memory arguments_
  ) external;
}

// SPDX-License-Identifier: CC0-1.0
// Omnus Contracts v3
// https://omn.us/spendable
// https://github.com/omnus/ERC20Spendable
// npm: @omnus/ERC20Spendable

pragma solidity ^0.8.19;

/**
 * @title ERC-7492 IERC20SpendableReceiver.sol
 *
 * @author omnus
 * https://omn.us
 *
 * @dev Implementation of {IERC20SpendableReceiver} interface.
 *
 * {ERC-7492 ERC20Spendable} allows ERC20s to operate as 'spendable' items, i.e. an ERC20 token that
 * can trigger an action on another contract at the same time as being transfered. Similar to ERC677
 * and the hooks in ERC777, but with more of an empasis on interoperability (returned values) than
 * ERC677 and specifically scoped interaction rather than the general hooks of ERC777.
 *
 * For more detailed notes please see our guide https://omn.us/how-to-implement-erc20-spendable
 */

interface IERC20SpendableReceiver {
  /// @dev Error {CallMustBeFromSpendableToken}. The call to this method can only be from a designated spendable token.
  error CallMustBeFromSpendableToken();

  /**
   * @dev {onERC20SpendableReceived} External function called by ERC20SpendableTokens. This
   * validates that the token is valid and then calls the internal {_handleSpend} method.
   * You must overried {_handleSpend} in your contract to perform processing you wish to occur
   * on token spend.
   *
   * This method will pass back the valid bytes4 selector and any bytes argument passed from
   * {_handleSpend}.
   *
   * @param spender_ The address spending the ERC20Spendable
   * @param spent_ The amount of token spent
   * @param arguments_ Bytes sent with the call
   */
  function onERC20SpendableReceived(
    address spender_,
    uint256 spent_,
    bytes memory arguments_
  ) external returns (bytes4 retval_, bytes memory returnArguments_);
}

// Interface definition for UniswapV2Locker.sol

pragma solidity 0.8.19;

import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

interface IERCBurn {
  function burn(uint256 _amount) external;

  function approve(address spender, uint256 amount) external returns (bool);

  function allowance(address owner, address spender) external returns (uint256);

  function balanceOf(address account) external view returns (uint256);
}

interface IMigrator {
  function migrate(
    address lpToken,
    uint256 amount,
    uint256 unlockDate,
    address owner
  ) external returns (bool);
}

interface IUniswapV2Locker {
  struct UserInfo {
    EnumerableSet.AddressSet lockedTokens; // records all tokens the user has locked
    mapping(address => uint256[]) locksForToken; // map erc20 address to lock id for that token
  }

  struct TokenLock {
    uint256 lockDate; // the date the token was locked
    uint256 amount; // the amount of tokens still locked (initialAmount minus withdrawls)
    uint256 initialAmount; // the initial lock amount
    uint256 unlockDate; // the date the token can be withdrawn
    uint256 lockID; // lockID nonce per uni pair
    address owner;
  }

  struct FeeStruct {
    uint256 ethFee; // Small eth fee to prevent spam on the platform
    IERCBurn secondaryFeeToken; // UNCX or UNCL
    uint256 secondaryTokenFee; // optional, UNCX or UNCL
    uint256 secondaryTokenDiscount; // discount on liquidity fee for burning secondaryToken
    uint256 liquidityFee; // fee on univ2 liquidity tokens
    uint256 referralPercent; // fee for referrals
    IERCBurn referralToken; // token the refferer must hold to qualify as a referrer
    uint256 referralHold; // balance the referrer must hold to qualify as a referrer
    uint256 referralDiscount; // discount on flatrate fees for using a valid referral address
  }

  function setDev(address payable _devaddr) external;

  /**
   * @notice set the migrator contract which allows locked lp tokens to be migrated to uniswap v3
   */
  function setMigrator(IMigrator _migrator) external;

  function setSecondaryFeeToken(address _secondaryFeeToken) external;

  /**
   * @notice referrers need to hold the specified token and hold amount to be elegible for referral fees
   */
  function setReferralTokenAndHold(
    IERCBurn _referralToken,
    uint256 _hold
  ) external;

  function setFees(
    uint256 _referralPercent,
    uint256 _referralDiscount,
    uint256 _ethFee,
    uint256 _secondaryTokenFee,
    uint256 _secondaryTokenDiscount,
    uint256 _liquidityFee
  ) external;

  /**
   * @notice whitelisted accounts dont pay flatrate fees on locking
   */
  function whitelistFeeAccount(address _user, bool _add) external;

  /**
   * @notice Creates a new lock
   * @param _lpToken the univ2 token address
   * @param _amount amount of LP tokens to lock
   * @param _unlock_date the unix timestamp (in seconds) until unlock
   * @param _referral the referrer address if any or address(0) for none
   * @param _fee_in_eth fees can be paid in eth or in a secondary token such as UNCX with a discount on univ2 tokens
   * @param _withdrawer the user who can withdraw liquidity once the lock expires.
   */
  function lockLPToken(
    address _lpToken,
    uint256 _amount,
    uint256 _unlock_date,
    address payable _referral,
    bool _fee_in_eth,
    address payable _withdrawer
  ) external payable;

  /**
   * @notice extend a lock with a new unlock date, _index and _lockID ensure the correct lock is changed
   * this prevents errors when a user performs multiple tx per block possibly with varying gas prices
   */
  function relock(
    address _lpToken,
    uint256 _index,
    uint256 _lockID,
    uint256 _unlock_date
  ) external;

  /**
   * @notice withdraw a specified amount from a lock. _index and _lockID ensure the correct lock is changed
   * this prevents errors when a user performs multiple tx per block possibly with varying gas prices
   */
  function withdraw(
    address _lpToken,
    uint256 _index,
    uint256 _lockID,
    uint256 _amount
  ) external;

  /**
   * @notice increase the amount of tokens per a specific lock, this is preferable to creating a new lock, less fees, and faster loading on our live block explorer
   */
  function incrementLock(
    address _lpToken,
    uint256 _index,
    uint256 _lockID,
    uint256 _amount
  ) external;

  /**
   * @notice split a lock into two seperate locks, useful when a lock is about to expire and youd like to relock a portion
   * and withdraw a smaller portion
   */
  function splitLock(
    address _lpToken,
    uint256 _index,
    uint256 _lockID,
    uint256 _amount
  ) external payable;

  /**
   * @notice transfer a lock to a new owner, e.g. presale project -> project owner
   */
  function transferLockOwnership(
    address _lpToken,
    uint256 _index,
    uint256 _lockID,
    address payable _newOwner
  ) external;

  /**
   * @notice migrates liquidity to uniswap v3
   */
  function migrate(
    address _lpToken,
    uint256 _index,
    uint256 _lockID,
    uint256 _amount
  ) external;

  function getNumLocksForToken(
    address _lpToken
  ) external view returns (uint256);

  function getNumLockedTokens() external view returns (uint256);

  function getLockedTokenAtIndex(
    uint256 _index
  ) external view returns (address);

  // user functions
  function getUserNumLockedTokens(
    address _user
  ) external view returns (uint256);

  function getUserLockedTokenAtIndex(
    address _user,
    uint256 _index
  ) external view returns (address);

  function getUserNumLocksForToken(
    address _user,
    address _lpToken
  ) external view returns (uint256);

  function getUserLockForTokenAtIndex(
    address _user,
    address _lpToken,
    uint256 _index
  )
    external
    view
    returns (uint256, uint256, uint256, uint256, uint256, address);

  // whitelist
  function getWhitelistedUsersLength() external view returns (uint256);

  function getWhitelistedUserAtIndex(
    uint256 _index
  ) external view returns (address);

  function getUserWhitelistStatus(address _user) external view returns (bool);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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IErrors.BondingCurveErrorType","name":"error","type":"uint8"}],"name":"BondingCurveError","type":"error"},{"inputs":[],"name":"BurnExceedsBalance","type":"error"},{"inputs":[],"name":"BurnFromTheZeroAddress","type":"error"},{"inputs":[],"name":"CallerIsNotFactory","type":"error"},{"inputs":[],"name":"CallerIsNotFactoryOrProjectOwner","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"CallerIsNotPlatformAdmin","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"CallerIsNotSuperAdmin","type":"error"},{"inputs":[],"name":"CallerIsNotTheOwner","type":"error"},{"inputs":[],"name":"CallerIsNotTheTaxAdmin","type":"error"},{"inputs":[],"name":"CallerMustBeLzApp","type":"error"},{"inputs":[],"name":"CannotSetNewOwnerToTheZeroAddress","type":"error"},{"inputs":[],"name":"CannotSetNewTaxAdminToTheZeroAddress","type":"error"},{"inputs":[],"name":"CannotSetToZeroAddress","type":"error"},{"inputs":[],"name":"CollectionAlreadyRevealed","type":"error"},{"inputs":[],"name":"ContractIsNotPaused","type":"error"},{"inputs":[],"name":"ContractIsPaused","type":"error"},{"inputs":[],"name":"DecreasedAllowanceBelowZero","type":"error"},{"inputs":[],"name":"DestinationIsNotTrustedSource","type":"error"},{"inputs":[],"name":"GasLimitIsTooLow","type":"error"},{"inputs":[],"name":"IncorrectConfirmationValue","type":"error"},{"inputs":[],"name":"IncorrectPayment","type":"error"},{"inputs":[],"name":"InitialLiquidityAlreadyAdded","type":"error"},{"inputs":[],"name":"InsufficientAllowance","type":"error"},{"inputs":[],"name":"InvalidAdapterParams","type":"error"},{"inputs":[],"name":"InvalidAddress","type":"error"},{"inputs":[],"name":"InvalidEndpointCaller","type":"error"},{"inputs":[],"name":"InvalidMinGas","type":"error"},{"inputs":[],"name":"InvalidOracleSignature","type":"error"},{"inputs":[],"name":"InvalidPayload","type":"error"},{"inputs":[],"name":"InvalidReceiver","type":"error"},{"inputs":[],"name":"InvalidSourceSendingContract","type":"error"},{"inputs":[],"name":"InvalidTotalShares","type":"error"},{"inputs":[],"name":"LPLockUpMustFitUint96","type":"error"},{"inputs":[],"name":"LiquidityPoolCannotBeAddressZero","type":"error"},{"inputs":[],"name":"LiquidityPoolMustBeAContractAddress","type":"error"},{"inputs":[],"name":"ListLengthMismatch","type":"error"},{"inputs":[],"name":"MaxBidQuantityIs255","type":"error"},{"inputs":[{"internalType":"uint256","name":"requested","type":"uint256"},{"internalType":"uint256","name":"alreadyMinted","type":"uint256"},{"internalType":"uint256","name":"maxAllowance","type":"uint256"}],"name":"MaxPublicMintAllowanceExceeded","type":"error"},{"inputs":[],"name":"MaxSupplyTooHigh","type":"error"},{"inputs":[],"name":"MaxTokensPerTxnExceeded","type":"error"},{"inputs":[],"name":"MaxTokensPerWalletExceeded","type":"error"},{"inputs":[],"name":"MetadataIsLocked","type":"error"},{"inputs":[],"name":"MetadropFactoryOnlyOncePerReveal","type":"error"},{"inputs":[],"name":"MetadropModulesOnly","type":"error"},{"inputs":[],"name":"MetadropOracleCannotBeAddressZero","type":"error"},{"inputs":[],"name":"MinGasLimitNotSet","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"MintingIsClosedForever","type":"error"},{"inputs":[],"name":"NewBuyTaxBasisPointsExceedsMaximum","type":"error"},{"inputs":[],"name":"NewSellTaxBasisPointsExceedsMaximum","type":"error"},{"inputs":[],"name":"NoETHForLiquidityPair","type":"error"},{"inputs":[],"name":"NoPaymentDue","type":"error"},{"inputs":[],"name":"NoRefundForCaller","type":"error"},{"inputs":[],"name":"NoStoredMessage","type":"error"},{"inputs":[],"name":"NoTokenForLiquidityPair","type":"error"},{"inputs":[],"name":"NoTrustedPathRecord","type":"error"},{"inputs":[],"name":"OperationDidNotSucceed","type":"error"},{"inputs":[],"name":"OracleSignatureHasExpired","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"ParametersDoNotMatchSignedMessage","type":"error"},{"inputs":[],"name":"PassedConfigDoesNotMatchApproved","type":"error"},{"inputs":[],"name":"PauseCutOffHasPassed","type":"error"},{"inputs":[],"name":"PaymentMustCoverPerMintFee","type":"error"},{"inputs":[],"name":"PermitDidNotSucceed","type":"error"},{"inputs":[],"name":"PlatformAdminCannotBeAddressZero","type":"error"},{"inputs":[],"name":"PlatformTreasuryCannotBeAddressZero","type":"error"},{"inputs":[],"name":"ProjectOwnerCannotBeAddressZero","type":"error"},{"inputs":[],"name":"ProofInvalid","type":"error"},{"inputs":[],"name":"QuantityExceedsMaxPossibleCollectionSupply","type":"error"},{"inputs":[],"name":"QuantityExceedsRemainingCollectionSupply","type":"error"},{"inputs":[],"name":"QuantityExceedsRemainingPhaseSupply","type":"error"},{"inputs":[],"name":"ReferralIdAlreadyUsed","type":"error"},{"inputs":[{"internalType":"uint256","name":"previouslyMinted","type":"uint256"},{"internalType":"uint256","name":"requested","type":"uint256"},{"internalType":"uint256","name":"remainingAllocation","type":"uint256"}],"name":"RequestingMoreThanRemainingAllocation","type":"error"},{"inputs":[],"name":"RoyaltyFeeWillExceedSalePrice","type":"error"},{"inputs":[],"name":"ShareTotalCannotBeZero","type":"error"},{"inputs":[],"name":"SliceOutOfBounds","type":"error"},{"inputs":[],"name":"SliceOverflow","type":"error"},{"inputs":[],"name":"SuperAdminCannotBeAddressZero","type":"error"},{"inputs":[],"name":"SupplyTotalMismatch","type":"error"},{"inputs":[],"name":"SupportWindowIsNotOpen","type":"error"},{"inputs":[],"name":"TaxFreeAddressCannotBeAddressZero","type":"error"},{"inputs":[],"name":"TaxPeriodStillInForce","type":"error"},{"inputs":[],"name":"TemplateCannotBeAddressZero","type":"error"},{"inputs":[],"name":"TemplateNotFound","type":"error"},{"inputs":[],"name":"ThisMintIsClosed","type":"error"},{"inputs":[],"name":"TotalSharesMustMatchDenominator","type":"error"},{"inputs":[],"name":"TransferAmountExceedsBalance","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFailed","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferFromZeroAddress","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"UnrecognisedVRFMode","type":"error"},{"inputs":[],"name":"VRFCoordinatorCannotBeAddressZero","type":"error"},{"inputs":[],"name":"ValueExceedsMaximum","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"metaId","type":"string"},{"indexed":true,"internalType":"address","name":"deployer","type":"address"},{"indexed":false,"internalType":"address","name":"contractInstance","type":"address"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"string","name":"name","type":"string"}],"name":"ERC20Created","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"platformAdmin","type":"address"}],"name":"PlatformAdminAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"platformAdmin","type":"address"}],"name":"PlatformAdminRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldSuperAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newSuperAdmin","type":"address"}],"name":"SuperAdminTransferred","type":"event"},{"inputs":[{"internalType":"string","name":"metaId_","type":"string"},{"internalType":"bytes32","name":"salt_","type":"bytes32"},{"components":[{"internalType":"bytes","name":"baseParameters","type":"bytes"},{"internalType":"bytes","name":"supplyParameters","type":"bytes"},{"internalType":"bytes","name":"taxParameters","type":"bytes"}],"internalType":"struct IERC20ConfigByMetadropV1.ERC20Config","name":"erc20Config_","type":"tuple"},{"internalType":"uint256","name":"messageTimeStamp_","type":"uint256"},{"internalType":"uint256","name":"lockerFee_","type":"uint256"},{"internalType":"uint256","name":"deploymentFee_","type":"uint256"},{"internalType":"address","name":"deployer_","type":"address"}],"name":"createConfigHash","outputs":[{"internalType":"bytes32","name":"configHash_","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"string","name":"metaId_","type":"string"},{"internalType":"bytes32","name":"salt_","type":"bytes32"},{"components":[{"internalType":"bytes","name":"baseParameters","type":"bytes"},{"internalType":"bytes","name":"supplyParameters","type":"bytes"},{"internalType":"bytes","name":"taxParameters","type":"bytes"}],"internalType":"struct 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IERC20","name":"token_","type":"address"},{"internalType":"uint256","name":"amount_","type":"uint256"}],"name":"withdrawERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount_","type":"uint256"}],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000bf9f7e7046b7a90a759cdc06ced11be634aada5600000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000bf9f7e7046b7a90a759cdc06ced11be634aada56000000000000000000000000abcc7736c42713cd40ae8c2915c3b3dcdef6b83d0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d000000000000000000000000663a5c229c09b049e36dcc11a9b0d4a8eb9db2140000000000000000000000000000000000000000000000000000000000000004000000000000000000000000bf9f7e7046b7a90a759cdc06ced11be634aada56000000000000000000000000bf52436dbb09c97a301be66930392f61ee61c7b8000000000000000000000000e79f7a6af8d3bc37d30a172b2c9d2fd003af032b000000000000000000000000c0eba66b055aed2cc8e9e38f04e64501950cb470

-----Decoded View---------------
Arg [0] : superAdmin_ (address): 0xbf9f7E7046b7a90A759cdc06CED11Be634AAda56
Arg [1] : platformAdmins_ (address[]): 0xbf9f7E7046b7a90A759cdc06CED11Be634AAda56,0xBf52436dBb09C97a301be66930392F61Ee61C7B8,0xe79f7a6AF8D3bc37d30A172B2C9D2fD003af032B,0xc0Eba66b055AEd2CC8e9E38F04e64501950Cb470
Arg [2] : platformTreasury_ (address): 0xbf9f7E7046b7a90A759cdc06CED11Be634AAda56
Arg [3] : metadropOracleAddress_ (address): 0xabcC7736c42713cD40aE8c2915C3b3DcdeF6b83d
Arg [4] : uniswapRouter_ (address): 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Arg [5] : unicryptLocker_ (address): 0x663A5C229c09b049E36dCc11a9B0d4a8Eb9db214

-----Encoded View---------------
11 Constructor Arguments found :
Arg [0] : 000000000000000000000000bf9f7e7046b7a90a759cdc06ced11be634aada56
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 000000000000000000000000bf9f7e7046b7a90a759cdc06ced11be634aada56
Arg [3] : 000000000000000000000000abcc7736c42713cd40ae8c2915c3b3dcdef6b83d
Arg [4] : 0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d
Arg [5] : 000000000000000000000000663a5c229c09b049e36dcc11a9b0d4a8eb9db214
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [7] : 000000000000000000000000bf9f7e7046b7a90a759cdc06ced11be634aada56
Arg [8] : 000000000000000000000000bf52436dbb09c97a301be66930392f61ee61c7b8
Arg [9] : 000000000000000000000000e79f7a6af8d3bc37d30a172b2c9d2fd003af032b
Arg [10] : 000000000000000000000000c0eba66b055aed2cc8e9e38f04e64501950cb470