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// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.26;

import {Token} from "../test/mocks/Token.sol";

/// @title Faucet
/// @notice A contract for distributing test tokens
/// @dev This contract creates and distributes two types of ERC20 tokens for testing purposes
contract Faucet {
  /// @notice The reserve token (WETH)
  Token public wstETH;
  /// @notice The second reserve token (CBETH)
  Token public cbETH;
  /// @notice The coupon token (USDC)
  Token public couponToken;
  /// @notice The address of the deployer
  address private deployer;
  /// @notice A mapping to track whitelisted addresses
  mapping(address => bool) private whitelist;

  /// @notice Initializes the contract by creating new instances of reserve and coupon tokens
  constructor(address _wstETH, address _cbETH, address _couponToken) {
    deployer = msg.sender;
    whitelist[deployer] = true;

    if (_wstETH != address(0)) {
      wstETH = Token(_wstETH);
    } else {
      wstETH = new Token("Wrapped fake liquid staked Ether 2.0", "wstETH", true);
    }

    if (_cbETH != address(0)) {
      cbETH = Token(_cbETH);
    } else {
      cbETH = new Token("Coinbase Wrapped Fake Staked ETH", "cbETH", true);
    }

    if (_couponToken != address(0)) {
      couponToken = Token(_couponToken);
    } else {
      couponToken = new Token("Circle Fake USD", "USDC", true);
    }
  }
  
  /// @notice Distributes a fixed amount of both reserve and coupon tokens to the caller
  /// @dev Mints 1 WETH and 5000 USDC to the caller's address
  function faucet() public isWhitelisted() {
    wstETH.mint(msg.sender, 1 ether);
    cbETH.mint(msg.sender, 1 ether);
    couponToken.mint(msg.sender, 5000 ether);
  }

  /// @notice Distributes a specified amount of both reserve and coupon tokens to the caller
  /// @param amountWstETH The amount of WstETH to mint
  /// @param amountCbETH The amount of cbETH to mint
  /// @param amountCoupon The amount of coupon tokens to mint
  /// @param amountEth The amount of ETH to send to the caller
  /// @param onBehalfOf The address to mint the tokens on behalf of
  function faucet(uint256 amountWstETH, uint256 amountCbETH, uint256 amountCoupon, uint256 amountEth, address onBehalfOf) public isWhitelisted() {
    address user = onBehalfOf == address(0) ? msg.sender : onBehalfOf;
    if (amountWstETH > 0) {
      wstETH.mint(user, amountWstETH);
    }
    if (amountCbETH > 0) {
      cbETH.mint(user, amountCbETH);
    }
    if (amountCoupon > 0) {
      couponToken.mint(user, amountCoupon);
    }
    if (amountEth > 0) {
      (bool success, ) = payable(user).call{value: amountEth}("");
      require(success, "Faucet: ETH transfer failed");
    }
  }

  /// @notice Distributes a specified amount of both reserve and coupon tokens to the caller
  /// @param amountWstETH The amount of WstETH to mint
  /// @param amountCbETH The amount of cbETH to mint
  /// @param amountCoupon The amount of coupon tokens to mint
  /// @param amountEth The amount of ETH to send to the caller
  /// @param users The addresses to mint the tokens on behalf of
  function faucet(uint256 amountWstETH, uint256 amountCbETH, uint256 amountCoupon, uint256 amountEth, address[] memory users) public isWhitelisted() {
    for (uint256 i = 0; i < users.length; i++) {
      address user = users[i];
      faucet(amountWstETH, amountCbETH, amountCoupon, amountEth, user);
    }
  }

  /// @notice Distributes a specified amount of reserve tokens to the caller
  /// @param amount The amount of reserve tokens to mint
  /// @param onBehalfOf The address to mint the tokens on behalf of
  function faucetReserve(uint256 amount, address onBehalfOf) public isWhitelisted() {
    address user = onBehalfOf == address(0) ? msg.sender : onBehalfOf;
    wstETH.mint(user, amount);
  }

  /// @notice Distributes a specified amount of coupon tokens to the caller
  /// @param amount The amount of coupon tokens to mint
  /// @param onBehalfOf The address to mint the tokens on behalf of
  function faucetCoupon(uint256 amount, address onBehalfOf) public isWhitelisted() {
    address user = onBehalfOf == address(0) ? msg.sender : onBehalfOf;
    couponToken.mint(user, amount);
  }

  /// @notice Adds an address to the whitelist
  /// @param account The address to add to the whitelist
  function addToWhitelist(address account) public isWhitelisted() {
    whitelist[account] = true;
  }

  /// @notice Fallback function to receive ETH
  receive() external payable {}

  modifier isWhitelisted() {
    require(whitelist[msg.sender], "Not whitelisted");
    _;
  }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.26;

import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";

contract Token is ERC20 {
  uint8 private tokenDecimals;
  
  mapping(address => bool) private whitelist;
  bool public restricted;
  address public deployer;

  string private _tokenName;
  string private _tokenSymbol;

  constructor (string memory _nameParam, string memory _symbolParam, bool _restricted) ERC20(_nameParam, _symbolParam) {
    tokenDecimals = 18;
    _tokenName = _nameParam;
    _tokenSymbol = _symbolParam;
    restricted = _restricted;
    deployer = msg.sender;
    whitelist[deployer] = true;
    
    // Neeel's address
    whitelist[0x2516115b336E3a5A0790D8B6EfdF5bD8D7d263Dd] = true;
  }

  function mint(address to, uint256 amount) public {
    require(!restricted || whitelist[msg.sender], "Not authorized to mint");
    _mint(to, amount);
  }

  function burn(address account, uint256 amount) public {
    require(!restricted || whitelist[msg.sender], "Not authorized to burn");
    _burn(account, amount);
  }

  function addToWhitelist(address account) public {
    require(whitelist[msg.sender], "Not authorized to add to whitelist");
    whitelist[account] = true;
  }

  function decimals() public view virtual override returns (uint8) {
    return tokenDecimals;
  }

  function setDecimals(uint8 _decimals) external {
    if (totalSupply() > 0) {
      revert("Cannot set decimals after minting");
    }
    
    tokenDecimals = _decimals;
  }

  function name() public view virtual override returns (string memory) {
    return _tokenName;
  }

  function symbol() public view virtual override returns (string memory) {
    return _tokenSymbol;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @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}.
 *
 * 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.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual 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 returns (uint8) {
        return 18;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual 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 `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

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

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` 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 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        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 `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` 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.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` 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.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
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 v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@uniswap/v3-periphery/=lib/v3-periphery/",
    "@uniswap/v3-core/=lib/v3-core/",
    "@openzeppelin/foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/",
    "@chainlink/contracts/=lib/chainlink/contracts/",
    "@create3/contracts/=lib/create3/contracts/",
    "@balancer/contracts/=lib/balancer-v2-monorepo/pkg/",
    "@balancer-labs/=lib/balancer-v2-monorepo/../../node_modules/@balancer-labs/",
    "balancer-v2-monorepo/=lib/balancer-v2-monorepo/",
    "chainlink/=lib/chainlink/",
    "create3/=lib/create3/contracts/",
    "ds-test/=lib/openzeppelin-contracts-upgradeable/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/",
    "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/",
    "solidity-stringutils/=lib/openzeppelin-foundry-upgrades/lib/solidity-stringutils/",
    "v3-core/=lib/v3-core/",
    "v3-periphery/=lib/v3-periphery/contracts/"
  ],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": true,
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_wstETH","type":"address"},{"internalType":"address","name":"_cbETH","type":"address"},{"internalType":"address","name":"_couponToken","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"addToWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cbETH","outputs":[{"internalType":"contract Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"couponToken","outputs":[{"internalType":"contract Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountWstETH","type":"uint256"},{"internalType":"uint256","name":"amountCbETH","type":"uint256"},{"internalType":"uint256","name":"amountCoupon","type":"uint256"},{"internalType":"uint256","name":"amountEth","type":"uint256"},{"internalType":"address[]","name":"users","type":"address[]"}],"name":"faucet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountWstETH","type":"uint256"},{"internalType":"uint256","name":"amountCbETH","type":"uint256"},{"internalType":"uint256","name":"amountCoupon","type":"uint256"},{"internalType":"uint256","name":"amountEth","type":"uint256"},{"internalType":"address","name":"onBehalfOf","type":"address"}],"name":"faucet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"faucet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"onBehalfOf","type":"address"}],"name":"faucetCoupon","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"onBehalfOf","type":"address"}],"name":"faucetReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wstETH","outputs":[{"internalType":"contract Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000013e5fb0b6534bb22cbc59fae339dbbe0dc9068710000000000000000000000001197766b82eee9c2e57674e53f0d961590e43769000000000000000000000000f7464321de37bde4c03aaeef6b1e7b71379a9a64

-----Decoded View---------------
Arg [0] : _wstETH (address): 0x13e5FB0B6534BB22cBC59Fae339dbBE0Dc906871
Arg [1] : _cbETH (address): 0x1197766B82Eee9c2e57674E53F0D961590e43769
Arg [2] : _couponToken (address): 0xf7464321dE37BdE4C03AAeeF6b1e7b71379A9a64

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000013e5fb0b6534bb22cbc59fae339dbbe0dc906871
Arg [1] : 0000000000000000000000001197766b82eee9c2e57674e53f0d961590e43769
Arg [2] : 000000000000000000000000f7464321de37bde4c03aaeef6b1e7b71379a9a64