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

/*
 ______   _______  _______  _______  _       _________
(  __  \ (  ____ \(  ____ \(  ____ \( (    /|\__   __/
| (  \  )| (    \/| (    \/| (    \/|  \  ( |   ) (
| |   ) || (__    | |      | (__    |   \ | |   | |
| |   | ||  __)   | |      |  __)   | (\ \) |   | |
| |   ) || (      | |      | (      | | \   |   | |
| (__/  )| (____/\| (____/\| (____/\| )  \  |   | |
(______/ (_______/(_______/(_______/|/    )_)   )_(

*/

/// ============ Imports ============

import "solmate/src/tokens/ERC1155.sol";
import "@openzeppelin/contracts/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

import "./interfaces/IBondingCurve.sol";
import "./interfaces/IMetadataRenderer.sol";

import "./storage/CrescendoConfig.sol";
import "./storage/MetadataConfig.sol";
import "./utils/Splits.sol";

/// ========= Bonding Token =========

contract DCNTCrescendo is
  IBondingCurve,
  ERC1155,
  Initializable,
  Ownable,
  Splits
{
  // Token name
  string private _name;

  // Token symbol
  string private _symbol;

  // Token uri
  string private _uri;
  string private _contractURI;

  uint256 public step1;
  uint256 public step2;
  uint256 public hitch;
  uint256 public takeRateBPS;
  uint256 public royaltyBPS;

  // id to supply
  mapping(uint256 => uint256) private _totalSupply;
  // id to current price
  mapping(uint256 => uint256) private _currentPrice;

  uint256 public totalWithdrawn = 0;

  uint256 public saleStart;
  bool public saleIsPaused;

  uint256 public unlockDate;

  // addresses for splits contract and wallet
  address public splitMain;
  address public splitWallet;

  uint256 constant bps = 100_00;

  /// @notice DCNTMetadataRenderer address
  address public metadataRenderer;

  address public parentIP;
  /// ============ Constructor ============

  function initialize(
    address _owner,
    // string memory name_,
    // string memory symbol_,
    // string memory uri_,
    CrescendoConfig memory _config,
    MetadataConfig memory _metadataConfig,
    address _metadataRenderer,
    address _splitMain
  ) public initializer {
    _transferOwnership(_owner);
    _currentPrice[0] = _config.initialPrice;
    step1 = _config.step1;
    step2 = _config.step2;
    hitch = _config.hitch;
    takeRateBPS = _config.takeRateBPS;
    unlockDate = _config.unlockDate;
    _name = _config.name;
    _symbol = _config.symbol;
    saleStart = _config.saleStart;
    royaltyBPS = _config.royaltyBPS;
    splitMain = _splitMain;
    parentIP = _metadataConfig.parentIP;

    if (
      _metadataRenderer != address(0) &&
      _metadataConfig.metadataRendererInit.length > 0
    ) {
      metadataRenderer = _metadataRenderer;
      IMetadataRenderer(_metadataRenderer).initializeWithData(
        _metadataConfig.metadataRendererInit
      );
    } else {
      _contractURI = _metadataConfig.contractURI;
      _setURI(_metadataConfig.metadataURI);
    }
  }

  function calculateCurvedMintReturn(uint256 amount, uint256 id)
    public
    view
    override
    returns (uint256)
  {
    require(amount == 1, "max amount is 1");
    return _currentPrice[id];
  }

  function calculateCurvedBurnReturn(uint256 amount, uint256 id)
    public
    view
    override
    returns (uint256)
  {
    require(amount == 1, "max amount is 1");
    return ((bps - takeRateBPS) * _currentPrice[id]) / bps;
  }

  modifier salesAreActive {
    require(block.timestamp >= saleStart, "Sales are not active yet.");
    require(block.timestamp < unlockDate, "Sales are no longer active.");
    require(! saleIsPaused, "Sale must be active to buy or sell");
    _;
  }

  function saleIsActive() external view returns(bool _saleIsActive) {
    _saleIsActive = (block.timestamp >= saleStart) && (!saleIsPaused);
  }

  /// @notice purchase nft
  function buy(uint256 id) external payable salesAreActive {
    uint256 price = calculateCurvedMintReturn(1, id);
    require(msg.value >= price, "Insufficient funds");
    require(id == 0, "currently only one edition");

    // allow for slippage
    if (msg.value - price > 0) {
      (bool success, ) = payable(msg.sender).call{value: (msg.value - price)}(
        ""
      );
      require(success, "Failed to send ether");
    }

    _mint(msg.sender, id, 1, "");
    _totalSupply[id] += 1;
    emit CurvedMint(msg.sender, 1, id, price);

    // update supply / price
    if (totalSupply(id) < hitch) {
      _currentPrice[id] += step1;
    } else {
      _currentPrice[id] += step2;
    }
  }

  /// @notice sell nft if liquidity is available
  function sell(uint256 id) external salesAreActive {
    require(id == 0, "currently only one edition");
    uint256 price = calculateCurvedBurnReturn(1, id);
    require(balanceOf[msg.sender][id] > 0, "must own nft to sell");

    // burn nft
    _burn(msg.sender, id, 1);
    _totalSupply[id] -= 1;

    // send money to nft holder
    (bool success, ) = payable(msg.sender).call{value: price}("");
    require(success, "Failed to send ether");
    emit CurvedBurn(msg.sender, 1, id, price);

    // update supply / price
    if (totalSupply(id) < hitch) {
      _currentPrice[id] -= step1;
    } else {
      _currentPrice[id] -= step2;
    }
  }

  function totalSupply(uint256 id) public view returns (uint256) {
    return _totalSupply[id];
  }

  function flipSaleState() external onlyOwner {
    saleIsPaused = !saleIsPaused;
  }

  function withdrawFund() external onlyOwner onlyUnlocked {
    require(
      _getSplitWallet() == address(0),
      "Cannot withdraw with an active split"
    );
    (bool success, ) = payable(msg.sender).call{value: address(this).balance}("");
    require(success, "Could not withdraw fund");
  }

  /// @notice only when crescendo is unlocked
  modifier onlyUnlocked() {
    require(block.timestamp >= unlockDate, "Crescendo is still locked");
    _;
  }

  function distributeAndWithdrawFund(
    address account,
    uint256 withdrawETH,
    ERC20[] memory tokens,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) public virtual requireSplit onlyUnlocked {
    if (withdrawETH != 0) {
      super._transferETHToSplit();
      ISplitMain(_getSplitMain()).distributeETH(
        _getSplitWallet(),
        accounts,
        percentAllocations,
        distributorFee,
        distributorAddress
      );
    }

    for (uint256 i = 0; i < tokens.length; ++i) {
      distributeERC20(
        tokens[i],
        accounts,
        percentAllocations,
        distributorFee,
        distributorAddress
      );
    }

    _withdraw(account, withdrawETH, tokens);
  }

  function withdraw() external onlyOwner {
    require(
      _getSplitWallet() == address(0),
      "Cannot withdraw with an active split"
    );
    uint256 toWithdraw = liquidity() - totalWithdrawn;
    totalWithdrawn += toWithdraw;
    (bool success, ) = payable(msg.sender).call{value: toWithdraw}("");
    require(success, "Failed to send ether");
  }

  function transferFundToSplit(uint256 transferETH, ERC20[] memory tokens)
    public
    virtual
    requireSplit
    onlyUnlocked
  {
    if (transferETH != 0) {
      super._transferETHToSplit();
    }

    for (uint256 i = 0; i < tokens.length; ++i) {
      _transferERC20ToSplit(tokens[i]);
    }
  }

  function _transferETHToSplit() internal override {
    uint256 toWithdraw = liquidity() - totalWithdrawn;
    totalWithdrawn += toWithdraw;
    (bool success, ) = _getSplitWallet().call{value: toWithdraw}("");
    require(success, "Could not transfer ETH to split");
  }

  function liquidity() public view returns (uint256) {
    return (takeRateBPS * (address(this).balance + totalWithdrawn)) / bps;
  }

  function reserveAmt() public view returns (uint256) {
    return
      ((bps - takeRateBPS) * (address(this).balance + totalWithdrawn)) / bps;
  }

  function name() external view returns (string memory) {
    return _name;
  }

  function symbol() external view returns (string memory) {
    return _symbol;
  }

  function contractURI() public view returns (string memory) {
    if (metadataRenderer != address(0)) {
      return IMetadataRenderer(metadataRenderer).contractURI();
    }
    return _contractURI;
  }

  function updateContractURI(string memory contractURI_) external onlyOwner {
    _contractURI = contractURI_;
  }

  function uri(uint256) public view override returns (string memory) {
    if (metadataRenderer != address(0)) {
      return IMetadataRenderer(metadataRenderer).tokenURI(1);
    }
    return _uri;
  }

  function _setURI(string memory newuri) private {
    _uri = newuri;
  }

  function updateUri(string memory uri_) external onlyOwner {
    _setURI(uri_);
  }

  function setMetadataRenderer(address _metadataRenderer) external onlyOwner {
    metadataRenderer = _metadataRenderer;
  }

  function royaltyInfo(uint256 tokenId, uint256 salePrice)
    external
    view
    returns (address receiver, uint256 royaltyAmount)
  {
    require(tokenId == 0, "currently only one edition");

    if (splitWallet != address(0)) {
      receiver = splitWallet;
    } else {
      receiver = owner();
    }

    uint256 royaltyPayment = (salePrice * royaltyBPS) / bps;

    return (receiver, royaltyPayment);
  }

  function supportsInterface(bytes4 interfaceId)
    public
    view
    virtual
    override(ERC1155)
    returns (bool)
  {
    return
      interfaceId == 0x2a55205a || // ERC2981 interface ID for ERC2981.
      super.supportsInterface(interfaceId);
  }

  function _getSplitMain() internal virtual override returns (address) {
    return splitMain;
  }

  function _getSplitWallet() internal virtual override returns (address) {
    return splitWallet;
  }

  function _setSplitWallet(address _splitWallet) internal virtual override {
    splitWallet = _splitWallet;
  }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Minimalist and gas efficient standard ERC1155 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
abstract contract ERC1155 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event TransferSingle(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256 id,
        uint256 amount
    );

    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] amounts
    );

    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    event URI(string value, uint256 indexed id);

    /*//////////////////////////////////////////////////////////////
                             ERC1155 STORAGE
    //////////////////////////////////////////////////////////////*/

    mapping(address => mapping(uint256 => uint256)) public balanceOf;

    mapping(address => mapping(address => bool)) public isApprovedForAll;

    /*//////////////////////////////////////////////////////////////
                             METADATA LOGIC
    //////////////////////////////////////////////////////////////*/

    function uri(uint256 id) public view virtual returns (string memory);

    /*//////////////////////////////////////////////////////////////
                              ERC1155 LOGIC
    //////////////////////////////////////////////////////////////*/

    function setApprovalForAll(address operator, bool approved) public virtual {
        isApprovedForAll[msg.sender][operator] = approved;

        emit ApprovalForAll(msg.sender, operator, approved);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) public virtual {
        require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");

        balanceOf[from][id] -= amount;
        balanceOf[to][id] += amount;

        emit TransferSingle(msg.sender, from, to, id, amount);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, from, id, amount, data) ==
                    ERC1155TokenReceiver.onERC1155Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) public virtual {
        require(ids.length == amounts.length, "LENGTH_MISMATCH");

        require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");

        // Storing these outside the loop saves ~15 gas per iteration.
        uint256 id;
        uint256 amount;

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

            balanceOf[from][id] -= amount;
            balanceOf[to][id] += amount;

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, from, to, ids, amounts);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) ==
                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
        public
        view
        virtual
        returns (uint256[] memory balances)
    {
        require(owners.length == ids.length, "LENGTH_MISMATCH");

        balances = new uint256[](owners.length);

        // Unchecked because the only math done is incrementing
        // the array index counter which cannot possibly overflow.
        unchecked {
            for (uint256 i = 0; i < owners.length; ++i) {
                balances[i] = balanceOf[owners[i]][ids[i]];
            }
        }
    }

    /*//////////////////////////////////////////////////////////////
                              ERC165 LOGIC
    //////////////////////////////////////////////////////////////*/

    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return
            interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
            interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
            interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        balanceOf[to][id] += amount;

        emit TransferSingle(msg.sender, address(0), to, id, amount);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, address(0), id, amount, data) ==
                    ERC1155TokenReceiver.onERC1155Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _batchMint(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        uint256 idsLength = ids.length; // Saves MLOADs.

        require(idsLength == amounts.length, "LENGTH_MISMATCH");

        for (uint256 i = 0; i < idsLength; ) {
            balanceOf[to][ids[i]] += amounts[i];

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, address(0), to, ids, amounts);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, address(0), ids, amounts, data) ==
                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _batchBurn(
        address from,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        uint256 idsLength = ids.length; // Saves MLOADs.

        require(idsLength == amounts.length, "LENGTH_MISMATCH");

        for (uint256 i = 0; i < idsLength; ) {
            balanceOf[from][ids[i]] -= amounts[i];

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, from, address(0), ids, amounts);
    }

    function _burn(
        address from,
        uint256 id,
        uint256 amount
    ) internal virtual {
        balanceOf[from][id] -= amount;

        emit TransferSingle(msg.sender, from, address(0), id, amount);
    }
}

/// @notice A generic interface for a contract which properly accepts ERC1155 tokens.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
abstract contract ERC1155TokenReceiver {
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] calldata,
        uint256[] calldata,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155BatchReceived.selector;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/Address.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
     * initialization step. This is essential to configure modules that are added through upgrades and that require
     * initialization.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized < type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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
pragma solidity ^0.8.0;

interface IBondingCurve {
  event CurvedMint(
    address indexed sender,
    uint256 amount,
    uint256 id,
    uint256 deposit
  );
  event CurvedBurn(
    address indexed sender,
    uint256 amount,
    uint256 id,
    uint256 reimbursement
  );

  function calculateCurvedMintReturn(uint256 amount, uint256 id)
    external
    view
    returns (uint256);

  function calculateCurvedBurnReturn(uint256 amount, uint256 id)
    external
    view
    returns (uint256);
}

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

interface IMetadataRenderer {
  function tokenURI(uint256) external view returns (string memory);

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

  function initializeWithData(bytes memory initData) external;

  /// @notice Storage for token edition information
  struct TokenEditionInfo {
    string description;
    string imageURI;
    string animationURI;
  }
}

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

struct CrescendoConfig {
  string name;
  string symbol;
  uint256 initialPrice;
  uint256 step1;
  uint256 step2;
  uint256 hitch;
  uint256 takeRateBPS;
  uint256 unlockDate;
  uint256 saleStart;
  uint256 royaltyBPS;
}

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

struct MetadataConfig {
  string contractURI;
  string metadataURI;
  bytes metadataRendererInit;
  address parentIP;
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8;

import {ERC20} from "solmate/src/tokens/ERC20.sol";
import "../splits/interfaces/ISplitMain.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

abstract contract Splits is Ownable {
  function _getSplitMain() internal virtual returns (address);

  function _getSplitWallet() internal virtual returns (address);

  function _setSplitWallet(address _splitWallet) internal virtual;

  function createSplit(
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee
  ) public virtual onlyOwner {
    require(_getSplitMain() != address(0), 'SplitMain not set');
    require(_getSplitWallet() == address(0), "Split already created");
    address splitAddress = ISplitMain(_getSplitMain()).createSplit(
      accounts,
      percentAllocations,
      distributorFee,
      msg.sender
    );
    _setSplitWallet(splitAddress);
  }

  function distributeETH(
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) public virtual requireSplit {
    _transferETHToSplit();
    ISplitMain(_getSplitMain()).distributeETH(
      _getSplitWallet(),
      accounts,
      percentAllocations,
      distributorFee,
      distributorAddress
    );
  }

  function distributeERC20(
    ERC20 token,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) public virtual requireSplit {
    _transferERC20ToSplit(token);
    ISplitMain(_getSplitMain()).distributeERC20(
      _getSplitWallet(),
      token,
      accounts,
      percentAllocations,
      distributorFee,
      distributorAddress
    );
  }

  function distributeAndWithdraw(
    address account,
    uint256 withdrawETH,
    ERC20[] memory tokens,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) public virtual requireSplit {
    if (withdrawETH != 0) {
      distributeETH(
        accounts,
        percentAllocations,
        distributorFee,
        distributorAddress
      );
    }

    for (uint256 i = 0; i < tokens.length; ++i) {
      distributeERC20(
        tokens[i],
        accounts,
        percentAllocations,
        distributorFee,
        distributorAddress
      );
    }

    _withdraw(account, withdrawETH, tokens);
  }

  function transferToSplit(uint256 transferETH, ERC20[] memory tokens)
    public
    virtual
    requireSplit
  {
    if (transferETH != 0) {
      _transferETHToSplit();
    }

    for (uint256 i = 0; i < tokens.length; ++i) {
      _transferERC20ToSplit(tokens[i]);
    }
  }

  function _transferETHToSplit() internal virtual {
    (bool success, ) = _getSplitWallet().call{value: address(this).balance}("");
    require(success, "Could not transfer ETH to split");
  }

  function _transferERC20ToSplit(ERC20 token) internal virtual {
    uint256 balance = token.balanceOf(address(this));
    token.transfer(_getSplitWallet(), balance);
  }

  function _withdraw(
    address account,
    uint256 withdrawETH,
    ERC20[] memory tokens
  ) internal virtual {
    ISplitMain(_getSplitMain()).withdraw(
      account,
      withdrawETH,
      tokens
    );
  }

  modifier requireSplit() {
    require(_getSplitWallet() != address(0), "Split not created yet");
    _;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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
     * ====
     *
     * [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://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.4;

import {ERC20} from "solmate/src/tokens/ERC20.sol";

/**
 * @title ISplitMain
 * @author 0xSplits <[email protected]>
 */
interface ISplitMain {
  /**
   * FUNCTIONS
   */

  function walletImplementation() external returns (address);

  function createSplit(
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address controller
  ) external returns (address);

  function predictImmutableSplitAddress(
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee
  ) external view returns (address);

  function updateSplit(
    address split,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee
  ) external;

  function transferControl(address split, address newController) external;

  function cancelControlTransfer(address split) external;

  function acceptControl(address split) external;

  function makeSplitImmutable(address split) external;

  function distributeETH(
    address split,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) external;

  function updateAndDistributeETH(
    address split,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) external;

  function distributeERC20(
    address split,
    ERC20 token,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) external;

  function updateAndDistributeERC20(
    address split,
    ERC20 token,
    address[] calldata accounts,
    uint32[] calldata percentAllocations,
    uint32 distributorFee,
    address distributorAddress
  ) external;

  function withdraw(
    address account,
    uint256 withdrawETH,
    ERC20[] calldata tokens
  ) external;

  /**
   * EVENTS
   */

  /** @notice emitted after each successful split creation
   *  @param split Address of the created split
   */
  event CreateSplit(address indexed split);

  /** @notice emitted after each successful split update
   *  @param split Address of the updated split
   */
  event UpdateSplit(address indexed split);

  /** @notice emitted after each initiated split control transfer
   *  @param split Address of the split control transfer was initiated for
   *  @param newPotentialController Address of the split's new potential controller
   */
  event InitiateControlTransfer(
    address indexed split,
    address indexed newPotentialController
  );

  /** @notice emitted after each canceled split control transfer
   *  @param split Address of the split control transfer was canceled for
   */
  event CancelControlTransfer(address indexed split);

  /** @notice emitted after each successful split control transfer
   *  @param split Address of the split control was transferred for
   *  @param previousController Address of the split's previous controller
   *  @param newController Address of the split's new controller
   */
  event ControlTransfer(
    address indexed split,
    address indexed previousController,
    address indexed newController
  );

  /** @notice emitted after each successful ETH balance split
   *  @param split Address of the split that distributed its balance
   *  @param amount Amount of ETH distributed
   *  @param distributorAddress Address to credit distributor fee to
   */
  event DistributeETH(
    address indexed split,
    uint256 amount,
    address indexed distributorAddress
  );

  /** @notice emitted after each successful ERC20 balance split
   *  @param split Address of the split that distributed its balance
   *  @param token Address of ERC20 distributed
   *  @param amount Amount of ERC20 distributed
   *  @param distributorAddress Address to credit distributor fee to
   */
  event DistributeERC20(
    address indexed split,
    ERC20 indexed token,
    uint256 amount,
    address indexed distributorAddress
  );

  /** @notice emitted after each successful withdrawal
   *  @param account Address that funds were withdrawn to
   *  @param ethAmount Amount of ETH withdrawn
   *  @param tokens Addresses of ERC20s withdrawn
   *  @param tokenAmounts Amounts of corresponding ERC20s withdrawn
   */
  event Withdrawal(
    address indexed account,
    uint256 ethAmount,
    ERC20[] tokens,
    uint256[] tokenAmounts
  );
}

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

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