{
  "language": "Solidity",
  "sources": {
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
    },
    "@openzeppelin/contracts/security/Pausable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n *\n * This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n */\nabstract contract Pausable is Context {\n    /**\n     * @dev Emitted when the pause is triggered by `account`.\n     */\n    event Paused(address account);\n\n    /**\n     * @dev Emitted when the pause is lifted by `account`.\n     */\n    event Unpaused(address account);\n\n    bool private _paused;\n\n    /**\n     * @dev Initializes the contract in unpaused state.\n     */\n    constructor() {\n        _paused = false;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is not paused.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    modifier whenNotPaused() {\n        _requireNotPaused();\n        _;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is paused.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    modifier whenPaused() {\n        _requirePaused();\n        _;\n    }\n\n    /**\n     * @dev Returns true if the contract is paused, and false otherwise.\n     */\n    function paused() public view virtual returns (bool) {\n        return _paused;\n    }\n\n    /**\n     * @dev Throws if the contract is paused.\n     */\n    function _requireNotPaused() internal view virtual {\n        require(!paused(), \"Pausable: paused\");\n    }\n\n    /**\n     * @dev Throws if the contract is not paused.\n     */\n    function _requirePaused() internal view virtual {\n        require(paused(), \"Pausable: not paused\");\n    }\n\n    /**\n     * @dev Triggers stopped state.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    function _pause() internal virtual whenNotPaused {\n        _paused = true;\n        emit Paused(_msgSender());\n    }\n\n    /**\n     * @dev Returns to normal state.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    function _unpause() internal virtual whenPaused {\n        _paused = false;\n        emit Unpaused(_msgSender());\n    }\n}\n"
    },
    "@openzeppelin/contracts/security/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant _NOT_ENTERED = 1;\n    uint256 private constant _ENTERED = 2;\n\n    uint256 private _status;\n\n    constructor() {\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        // On the first call to nonReentrant, _notEntered will be true\n        require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n        // Any calls to nonReentrant after this point will fail\n        _status = _ENTERED;\n\n        _;\n\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = _NOT_ENTERED;\n    }\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/ERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n    mapping(address => uint256) private _balances;\n\n    mapping(address => mapping(address => uint256)) private _allowances;\n\n    uint256 private _totalSupply;\n\n    string private _name;\n    string private _symbol;\n\n    /**\n     * @dev Sets the values for {name} and {symbol}.\n     *\n     * The default value of {decimals} is 18. To select a different value for\n     * {decimals} you should overload it.\n     *\n     * All two of these values are immutable: they can only be set once during\n     * construction.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() public view virtual override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the symbol of the token, usually a shorter version of the\n     * name.\n     */\n    function symbol() public view virtual override returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the number of decimals used to get its user representation.\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\n     * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n     *\n     * Tokens usually opt for a value of 18, imitating the relationship between\n     * Ether and Wei. This is the value {ERC20} uses, unless this function is\n     * overridden;\n     *\n     * NOTE: This information is only used for _display_ purposes: it in\n     * no way affects any of the arithmetic of the contract, including\n     * {IERC20-balanceOf} and {IERC20-transfer}.\n     */\n    function decimals() public view virtual override returns (uint8) {\n        return 18;\n    }\n\n    /**\n     * @dev See {IERC20-totalSupply}.\n     */\n    function totalSupply() public view virtual override returns (uint256) {\n        return _totalSupply;\n    }\n\n    /**\n     * @dev See {IERC20-balanceOf}.\n     */\n    function balanceOf(address account) public view virtual override returns (uint256) {\n        return _balances[account];\n    }\n\n    /**\n     * @dev See {IERC20-transfer}.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - the caller must have a balance of at least `amount`.\n     */\n    function transfer(address to, uint256 amount) public virtual override returns (bool) {\n        address owner = _msgSender();\n        _transfer(owner, to, amount);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-allowance}.\n     */\n    function allowance(address owner, address spender) public view virtual override returns (uint256) {\n        return _allowances[owner][spender];\n    }\n\n    /**\n     * @dev See {IERC20-approve}.\n     *\n     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n     * `transferFrom`. This is semantically equivalent to an infinite approval.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function approve(address spender, uint256 amount) public virtual override returns (bool) {\n        address owner = _msgSender();\n        _approve(owner, spender, amount);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-transferFrom}.\n     *\n     * Emits an {Approval} event indicating the updated allowance. This is not\n     * required by the EIP. See the note at the beginning of {ERC20}.\n     *\n     * NOTE: Does not update the allowance if the current allowance\n     * is the maximum `uint256`.\n     *\n     * Requirements:\n     *\n     * - `from` and `to` cannot be the zero address.\n     * - `from` must have a balance of at least `amount`.\n     * - the caller must have allowance for ``from``'s tokens of at least\n     * `amount`.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 amount\n    ) public virtual override returns (bool) {\n        address spender = _msgSender();\n        _spendAllowance(from, spender, amount);\n        _transfer(from, to, amount);\n        return true;\n    }\n\n    /**\n     * @dev Atomically increases the allowance granted to `spender` by the caller.\n     *\n     * This is an alternative to {approve} that can be used as a mitigation for\n     * problems described in {IERC20-approve}.\n     *\n     * Emits an {Approval} event indicating the updated allowance.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n        address owner = _msgSender();\n        _approve(owner, spender, allowance(owner, spender) + addedValue);\n        return true;\n    }\n\n    /**\n     * @dev Atomically decreases the allowance granted to `spender` by the caller.\n     *\n     * This is an alternative to {approve} that can be used as a mitigation for\n     * problems described in {IERC20-approve}.\n     *\n     * Emits an {Approval} event indicating the updated allowance.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `spender` must have allowance for the caller of at least\n     * `subtractedValue`.\n     */\n    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n        address owner = _msgSender();\n        uint256 currentAllowance = allowance(owner, spender);\n        require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n        unchecked {\n            _approve(owner, spender, currentAllowance - subtractedValue);\n        }\n\n        return true;\n    }\n\n    /**\n     * @dev Moves `amount` of tokens from `from` to `to`.\n     *\n     * This internal function is equivalent to {transfer}, and can be used to\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\n     *\n     * Emits a {Transfer} event.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `from` must have a balance of at least `amount`.\n     */\n    function _transfer(\n        address from,\n        address to,\n        uint256 amount\n    ) internal virtual {\n        require(from != address(0), \"ERC20: transfer from the zero address\");\n        require(to != address(0), \"ERC20: transfer to the zero address\");\n\n        _beforeTokenTransfer(from, to, amount);\n\n        uint256 fromBalance = _balances[from];\n        require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n        unchecked {\n            _balances[from] = fromBalance - amount;\n        }\n        _balances[to] += amount;\n\n        emit Transfer(from, to, amount);\n\n        _afterTokenTransfer(from, to, amount);\n    }\n\n    /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n     * the total supply.\n     *\n     * Emits a {Transfer} event with `from` set to the zero address.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function _mint(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: mint to the zero address\");\n\n        _beforeTokenTransfer(address(0), account, amount);\n\n        _totalSupply += amount;\n        _balances[account] += amount;\n        emit Transfer(address(0), account, amount);\n\n        _afterTokenTransfer(address(0), account, amount);\n    }\n\n    /**\n     * @dev Destroys `amount` tokens from `account`, reducing the\n     * total supply.\n     *\n     * Emits a {Transfer} event with `to` set to the zero address.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     * - `account` must have at least `amount` tokens.\n     */\n    function _burn(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: burn from the zero address\");\n\n        _beforeTokenTransfer(account, address(0), amount);\n\n        uint256 accountBalance = _balances[account];\n        require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n        unchecked {\n            _balances[account] = accountBalance - amount;\n        }\n        _totalSupply -= amount;\n\n        emit Transfer(account, address(0), amount);\n\n        _afterTokenTransfer(account, address(0), amount);\n    }\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n     *\n     * This internal function is equivalent to `approve`, and can be used to\n     * e.g. set automatic allowances for certain subsystems, etc.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `owner` cannot be the zero address.\n     * - `spender` cannot be the zero address.\n     */\n    function _approve(\n        address owner,\n        address spender,\n        uint256 amount\n    ) internal virtual {\n        require(owner != address(0), \"ERC20: approve from the zero address\");\n        require(spender != address(0), \"ERC20: approve to the zero address\");\n\n        _allowances[owner][spender] = amount;\n        emit Approval(owner, spender, amount);\n    }\n\n    /**\n     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n     *\n     * Does not update the allowance amount in case of infinite allowance.\n     * Revert if not enough allowance is available.\n     *\n     * Might emit an {Approval} event.\n     */\n    function _spendAllowance(\n        address owner,\n        address spender,\n        uint256 amount\n    ) internal virtual {\n        uint256 currentAllowance = allowance(owner, spender);\n        if (currentAllowance != type(uint256).max) {\n            require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n            unchecked {\n                _approve(owner, spender, currentAllowance - amount);\n            }\n        }\n    }\n\n    /**\n     * @dev Hook that is called before any transfer of tokens. This includes\n     * minting and burning.\n     *\n     * Calling conditions:\n     *\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * will be transferred to `to`.\n     * - when `from` is zero, `amount` tokens will be minted for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n     * - `from` and `to` are never both zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _beforeTokenTransfer(\n        address from,\n        address to,\n        uint256 amount\n    ) internal virtual {}\n\n    /**\n     * @dev Hook that is called after any transfer of tokens. This includes\n     * minting and burning.\n     *\n     * Calling conditions:\n     *\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * has been transferred to `to`.\n     * - when `from` is zero, `amount` tokens have been minted for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n     * - `from` and `to` are never both zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _afterTokenTransfer(\n        address from,\n        address to,\n        uint256 amount\n    ) internal virtual {}\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the symbol of the token.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the decimals places of the token.\n     */\n    function decimals() external view returns (uint8);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 amount\n    ) external returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/draft-IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    using Address for address;\n\n    function safeTransfer(\n        IERC20 token,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    function safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    function safePermit(\n        IERC20Permit token,\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        uint256 nonceBefore = token.nonces(owner);\n        token.permit(owner, spender, value, deadline, v, r, s);\n        uint256 nonceAfter = token.nonces(owner);\n        require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) {\n            // Return data is optional\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/Address.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCall(target, data, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(isContract(target), \"Address: delegate call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            // Look for revert reason and bubble it up if present\n            if (returndata.length > 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n                /// @solidity memory-safe-assembly\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}\n"
    },
    "contracts/interfaces/IBasePriceOracle.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.17;\n\ninterface IBasePriceOracle {\n    event AssetStatusSet(address indexed baseAsset, bool indexed isEnabled);\n\n    function supportsAsset(address, address) external view returns (bool);\n\n    function getPrice(address, address) external view returns (bool, uint256);\n\n    function setAssetStatus(address, bool) external;\n}\n"
    },
    "contracts/interfaces/IOracleManager.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.17;\n\nimport \"./IBasePriceOracle.sol\";\n\ninterface IOracleManager {\n    event SetOracles(address indexed _emitter, IBasePriceOracle[] _oracles);\n\n    function setOracles(IBasePriceOracle[] memory) external;\n\n    function getPrice(address) external view returns (uint256);\n\n    function getOracles() external view returns (IBasePriceOracle[] memory);\n}\n"
    },
    "contracts/interfaces/IPool.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.17;\n\ninterface IPool {\n    struct Account {\n        uint256 notional;\n    }\n\n    event Initialized(\n        address indexed _router,\n        address indexed _borrower,\n        address[] _collateralAssets,\n        address indexed _lentAsset\n    );\n\n    event OracleSet(address indexed _emitter, address _oracle);\n\n    function leftoversWithdrawn() external view returns (bool);\n\n    function startsAt() external view returns (uint32);\n\n    function activeAt() external view returns (uint32);\n\n    function maturesAt() external view returns (uint32);\n\n    function coupon() external view returns (uint96);\n\n    function ltv() external view returns (uint96);\n\n    function originationFee() external view returns (uint96);\n\n    function minSupply() external view returns (uint256);\n\n    function maxSupply() external view returns (uint256);\n\n    function supply() external view returns (uint256);\n\n    function borrowed() external view returns (uint256);\n\n    function borrower() external view returns (address);\n\n    function whitelistedLender() external view returns (address);\n\n    function lentAsset() external view returns (address);\n\n    function collateralAssets(uint256) external view returns (address);\n\n    function collateralReserves(address) external view returns (uint256);\n\n    function notionals(address) external view returns (uint256);\n\n    function initialize(\n        address _borrower,\n        address _lentAsset,\n        address[] memory _collateralAssets,\n        uint96 _coupon,\n        uint96 _ltv,\n        uint96 _originationFee,\n        uint32 _activeAt,\n        uint32 _maturesAt,\n        uint256 _minSupply,\n        uint256 _maxSupply,\n        address _whitelistedLender\n    ) external;\n\n    function deposit(address, uint256) external;\n\n    function supplyCollateral(address, uint256) external;\n\n    function borrow(address, uint256) external;\n\n    function repay(uint256) external;\n\n    function redeem(address) external;\n\n    function _default(address) external;\n\n    function withdrawLeftovers(uint256) external;\n\n    function getCollateralAssets() external view returns (address[] memory);\n}\n"
    },
    "contracts/interfaces/IPoolFactory.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.17;\n\ninterface IPoolFactory {\n    event PoolCreated(\n        uint256 indexed _pid,\n        address[] _collateralAssets,\n        address indexed _lentAsset,\n        uint256 _upfrontCoupon\n    );\n\n    event ParametersChanged(\n        uint256 indexed _maxNumberOfCollateralAssets,\n        uint96 indexed _originationFee\n    );\n\n    function createPool(\n        address _lentAsset,\n        address[] memory _collateralAssets,\n        uint96 _coupon,\n        uint96 _ltv,\n        uint32 _activeAt,\n        uint32 _maturesAt,\n        uint256 _minSupply,\n        uint256 _maxSupply,\n        address _whitelistedLender\n    ) external returns (address pool);\n\n    function setMaxNumberOfCollateralAssets(\n        uint256 _maxNumberOfCollateralAssets\n    ) external;\n\n    function setOriginationFee(uint96 _originationFee) external;\n\n    function router() external view returns (address);\n\n    function pid() external view returns (uint256);\n\n    function maxNumberOfCollateralAssets() external view returns (uint256);\n\n    function originationFee() external view returns (uint96);\n\n    function MAX_ORIGINATION_FEE() external view returns (uint96);\n\n    function pidToPoolAddress(uint256) external view returns (address);\n\n    function getAllPools() external view returns (address[] memory);\n}\n"
    },
    "contracts/interfaces/IRouter.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.17;\n\nimport \"./IPoolFactory.sol\";\nimport \"./IOracleManager.sol\";\n\ninterface IRouter {\n    event FactorySet(address indexed _emitter, address indexed _poolFactory);\n\n    event OracleManagerSet(\n        address indexed _emitter,\n        address indexed _oracleManager\n    );\n\n    event TreasurySet(address indexed _emitter, address indexed _treasury);\n\n    event Deposit(\n        uint256 indexed _pid,\n        address indexed _asset,\n        uint256 indexed _amt\n    );\n\n    event Borrow(\n        uint256 indexed _pid,\n        uint256 indexed _borrAmt,\n        address[] collateralAssets,\n        uint256[] _colAmts\n    );\n\n    event Repay(\n        uint256 indexed _pid,\n        address indexed _lentAsset,\n        uint256 indexed _amt\n    );\n\n    event Redeem(\n        uint256 indexed _pid,\n        address indexed _asset,\n        bool indexed _hasDefaulted\n    );\n\n    event LeftoversWithdrawn(uint256 indexed _pid, uint256 indexed _amt);\n\n    function poolFactory() external view returns (IPoolFactory);\n\n    function oracleManager() external view returns (IOracleManager);\n\n    function treasury() external view returns (address);\n\n    function getBorrowingPower(\n        address[] calldata _collateralAssets,\n        uint256[] calldata _amts\n    ) external view returns (uint256 _borrowingPower);\n\n    function deposit(uint256 _pid, uint256 _amt) external;\n\n    function borrow(\n        uint256 _pid,\n        address[] calldata _collateralAssets,\n        uint256[] calldata _amts\n    ) external;\n\n    function repay(uint256 _pid, uint256 _amt) external;\n\n    function redeem(uint256 _pid) external;\n\n    function withdrawLeftovers(uint256 _pid) external;\n}\n"
    },
    "contracts/Router.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\nimport \"@openzeppelin/contracts/security/Pausable.sol\";\nimport \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport \"./interfaces/IBasePriceOracle.sol\";\nimport \"./interfaces/IOracleManager.sol\";\nimport \"./interfaces/IPoolFactory.sol\";\nimport \"./interfaces/IPool.sol\";\nimport \"./interfaces/IRouter.sol\";\n\n/**\n * @title Router\n * @author LombardFi\n * @notice The router is the entry point for interacting with the LombardFi system.\n * @dev Much of the verification logic is done in the router to compress the size of the Pool contract.\n */\ncontract Router is IRouter, Pausable, Ownable, ReentrancyGuard {\n    using SafeERC20 for IERC20;\n\n    /**\n     * @notice Address of the PoolFactory.\n     */\n    IPoolFactory public poolFactory;\n\n    /**\n     * @notice Address of the OracleManager.\n     */\n    IOracleManager public oracleManager;\n\n    /**\n     * @notice Address of the protocol treasury.\n     * @dev Receives the origination fee at pool creation.\n     */\n    address public treasury;\n\n    /**\n     * @notice Verify that an integer is greater than 0.\n     * @dev Throws an error if the uint256 is equal to 0\n     * @param amt The integer to check.\n     */\n    modifier nonZero(uint256 amt) {\n        require(amt > 0, \"Router::zero amt\");\n        _;\n    }\n\n    /**\n     * @notice Verify that an address is not the zero address.\n     * @dev Throws an error if the address is the zero address.\n     * @param _address The address to check.\n     */\n    modifier nonZeroAddress(address _address) {\n        require(_address != address(0), \"Router::zero address\");\n        _;\n    }\n\n    /**\n     * @notice Set the PoolFactory implementation address. Callable only by the owner.\n     * @dev Throws an error if the supplied address is the zero address.\n     * @param _poolFactory The new implementation.\n     */\n    function setFactory(IPoolFactory _poolFactory)\n        external\n        nonZeroAddress(address(_poolFactory))\n        onlyOwner\n    {\n        require(\n            address(poolFactory) == address(0),\n            \"Router::factory already set\"\n        );\n        poolFactory = _poolFactory;\n        emit FactorySet(msg.sender, address(_poolFactory));\n    }\n\n    /**\n     * @notice Set the OracleManager implementation address. Callable only by the owner.\n     * @dev Throws an error if the address is the zero address.\n     * @param _oracleManager The new implementation.\n     */\n    function setOracleManager(IOracleManager _oracleManager)\n        external\n        nonZeroAddress(address(_oracleManager))\n        onlyOwner\n    {\n        oracleManager = _oracleManager;\n        emit OracleManagerSet(msg.sender, address(_oracleManager));\n    }\n\n    /**\n     * @notice Set the treasury address. Callable only by the owner.\n     * @dev Throws an error if the address is the zero address.\n     * @param _treasury The new recipient.\n     */\n    function setTreasury(address _treasury)\n        external\n        nonZeroAddress(_treasury)\n        onlyOwner\n    {\n        treasury = _treasury;\n        emit TreasurySet(msg.sender, _treasury);\n    }\n\n    /**\n     * @notice Pause the contract. Callable only by the owner.\n     */\n    function pause() external onlyOwner {\n        _pause();\n    }\n\n    /**\n     * @notice Unpause the contract. Callable only by the owner.\n     * @dev The contract must be paused to unpause it.\n     */\n    function unpause() external onlyOwner {\n        _unpause();\n    }\n\n    /**\n     * @notice Deposit into a pool.\n     * @dev The contract must not be paused.\n     * `_amt` must be nonzero.\n     * A pool with the `_pid` must exist.\n     * Caller must not be the pool's borrower.\n     * Caller must be the whitelisted lender if the pool has one.\n     * Caller must have approved this contract to spend `_amt` of the pool's lent asset.\n     * The pool must not be active or mature.\n     * The pool must have sufficient open capacity for `_amt`.\n     * @param _pid The id of the pool to deposit in.\n     * @param _amt The amount of the pool's lent asset to deposit.\n     */\n    function deposit(uint256 _pid, uint256 _amt)\n        external\n        nonZero(_amt)\n        whenNotPaused\n        nonReentrant\n    {\n        IPool pool = _getPool(_pid);\n\n        // If there is a whitelisted lender verify that the sender is the whitelisted lender.\n        address whitelistedLender = pool.whitelistedLender();\n        require(\n            whitelistedLender == address(0) || whitelistedLender == msg.sender,\n            \"Router::caller not whitelisted lender\"\n        );\n        // Caller cannot be borrower\n        _verifyCallerIsNotBorrower(pool);\n        // Pool must accept deposits\n        require(\n            block.timestamp < pool.activeAt(),\n            \"Router::expired deposit period\"\n        );\n        // Pool must have enough open capacity\n        require(\n            pool.maxSupply() - pool.supply() >= _amt,\n            \"Router::supply cap exceeded\"\n        );\n\n        // Transfer lent asset from lender to pool and perform accounting.\n        address lentAsset = pool.lentAsset();\n        IERC20(lentAsset).safeTransferFrom(msg.sender, address(pool), _amt);\n        pool.deposit(msg.sender, _amt);\n\n        emit Deposit(_pid, lentAsset, _amt);\n    }\n\n    /**\n     * @notice Borrow the avaiable amount of lent asset from a pool.\n     * Transfers the pool's lent asset from pool to borrower.\n     * Transfers collateral from borrower to pool.\n     * @dev The contract must not be paused.\n     * A pool with the `_pid` must exist.\n     * Caller must be the pool's borrower.\n     * Lengths of `_collateralAssets` and `amts` must match.\n     * `_collateralAssets` must be the pool's collateral assets or a subset.\n     * The pool must be active.\n     * The pool's minimum deposit must have been reached.\n     * The loan amount and value of the supplied collateral must satisfy the loan-to-value ratio.\n     * @param _pid The id of the pool to borrow from.\n     * @param _collateralAssets The assets to deposit as collateral\n     * @param _amts The amounts corresponding to the collaterals\n     */\n    function borrow(\n        uint256 _pid,\n        address[] calldata _collateralAssets,\n        uint256[] calldata _amts\n    ) external whenNotPaused nonReentrant {\n        IPool pool = _getPool(_pid);\n\n        // Only the borrower can borrow\n        require(msg.sender == pool.borrower(), \"Router::caller not borrower\");\n        // Cardinality of assets and amounts must match\n        require(\n            _collateralAssets.length == _amts.length,\n            \"Router::invalid params\"\n        );\n        // Assets must be a subset of the collateral assets\n        require(\n            _assetsAreValidPoolCollateral(pool, _collateralAssets),\n            \"Router::invalid assets\"\n        );\n\n        // Pool must be active and the minimum must be met\n        uint256 supply = pool.supply();\n        require(\n            block.timestamp >= pool.activeAt() &&\n                block.timestamp < pool.maturesAt() &&\n                supply >= pool.minSupply(),\n            \"Router::can't borrow\"\n        );\n\n        uint256 borrowAmount = supply - pool.borrowed();\n\n        // Calculate the loan value from the oracle\n        address lentAsset = pool.lentAsset();\n        uint256 loanValue = (oracleManager.getPrice(lentAsset) * borrowAmount) /\n            10**ERC20(lentAsset).decimals();\n\n        // Calculate the value of the collateral from the oracle\n        uint256 borrowingPower = getBorrowingPower(_collateralAssets, _amts);\n\n        // Check that the loan-to-value ratio is not exceeded\n        require(\n            (loanValue * 10**18) / borrowingPower <= pool.ltv(),\n            \"Router::low BP\"\n        );\n\n        // Transfer collateral from borrower and perform accounting for the deposits\n        for (uint256 i = 0; i < _collateralAssets.length; ) {\n            if (_amts[i] > 0) {\n                IERC20(_collateralAssets[i]).safeTransferFrom(\n                    msg.sender,\n                    address(pool),\n                    _amts[i]\n                );\n                pool.supplyCollateral(_collateralAssets[i], _amts[i]);\n            }\n            unchecked {\n                ++i;\n            }\n        }\n\n        // Transfer the loan from pool to borrower and perform accounting for the borrow\n        pool.borrow(lentAsset, borrowAmount);\n\n        emit Borrow(_pid, borrowAmount, _collateralAssets, _amts);\n    }\n\n    /**\n     * @notice Repay a part of the loan.\n     * Transfers the pool's lent asset from borrower to pool.\n     * Transfers collateral from pool to borrower.\n     * @dev A pool with the `_pid` must exist.\n     * `_amt` must be nonzero.\n     * The contract must not be paused.\n     * Pool must be active if the router is under normal operation.\n     * Caller must be the pool's borrower.\n     * The pool must be active.\n     * @param _pid The id of the pool to repay in.\n     * @param _amt The amount of the pool's lent asset to repay.\n     */\n    function repay(uint256 _pid, uint256 _amt)\n        external\n        nonZero(_amt)\n        nonReentrant\n    {\n        IPool pool = _getPool(_pid);\n\n        // Pool must be active.\n        // If the Router is paused then repayment is allowed at any time.\n        require(\n            paused() ||\n                (block.timestamp >= pool.activeAt() &&\n                    block.timestamp < pool.maturesAt()),\n            \"Router::not active\"\n        );\n\n        // Check that there is existing debt\n        uint256 debt = pool.borrowed();\n        require(debt > 0, \"Router::no debt\");\n\n        // The amount repaid is the minimum of the supplied `_amt` and the outstanding debt\n        // The owner cannot repay more than the debt (which will lead to accounting errors and overflows)\n        // This nullifies griefing attacks (since anyone can repay on behalf of the borrower)\n        uint256 amountToRepay;\n        if (_amt < debt) {\n            amountToRepay = _amt;\n        } else {\n            amountToRepay = debt;\n        }\n\n        // Perform accounting and transfer collateral from the pool to the borrower\n        pool.repay(amountToRepay);\n\n        // Transfer lent asset from the borrower to the pool\n        address lentAsset = pool.lentAsset();\n        IERC20(lentAsset).safeTransferFrom(\n            msg.sender,\n            address(pool),\n            amountToRepay\n        );\n\n        emit Repay(_pid, lentAsset, _amt);\n    }\n\n    /**\n     * @notice Redeem notional and yield from a mature pool or redeem notional from an unsuccessful pool.\n     * Transfers the pool's lent asset from pool to caller.\n     * Transfers collateral from caller to pool.\n     * @dev The contract must not be paused.\n     * A pool with the `_pid` must exist.\n     * Caller must not be the pool's borrower.\n     * The pool must be mature or active with less deposits than the minimum.\n     * Caller must have made a deposit.\n     * Caller can redeem only once per pool.\n     * @param _pid The id of the pool to redeem from.\n     */\n    function redeem(uint256 _pid) external whenNotPaused nonReentrant {\n        IPool pool = _getPool(_pid);\n\n        // Caller cannot be the borrower\n        _verifyCallerIsNotBorrower(pool);\n\n        // Either the pool is mature (redeem notional + yield)\n        // Or the pool is active but minimum has not been met (redeem notional)\n        require(\n            block.timestamp >= pool.maturesAt() ||\n                (block.timestamp >= pool.activeAt() &&\n                    pool.minSupply() > pool.supply()),\n            \"Router::can't redeem\"\n        );\n\n        // Caller has deposited something and has not redeemed their rewards yet\n        uint256 notional = pool.notionals(msg.sender);\n        require(notional > 0, \"Router::no notional\");\n\n        bool hasDefaulted = pool.borrowed() > 0;\n\n        if (!hasDefaulted) {\n            // All debt has been repaid\n            // Perform accounting and transfer lent asset from pool to lender\n            pool.redeem(msg.sender);\n        } else {\n            // There is outstanding debt (borrower defaults)\n            // Perform accounting and transfer pro-rata lent asset and collateral from pool to lender\n            pool._default(msg.sender);\n        }\n\n        emit Redeem(_pid, pool.lentAsset(), hasDefaulted);\n    }\n\n    /**\n     * @notice Withdraw redundant yield from a pool.\n     * Transfers a part of the upfront for the unrealized size back to the borrower.\n     * @dev The contract must not be paused.\n     * A pool with the `_pid` must exist.\n     * Caller must be the pool's borrower.\n     * Borower can withdraw only once.\n     * The pool must be active.\n     * @param _pid The id of the pool to withdraw leftovers from.\n     */\n    function withdrawLeftovers(uint256 _pid)\n        external\n        whenNotPaused\n        nonReentrant\n    {\n        IPool pool = _getPool(_pid);\n\n        // Caller must be the pool's borrower\n        require(pool.borrower() == msg.sender, \"Router::not borrower\");\n\n        // Borower can withdraw only once per pool\n        require(!pool.leftoversWithdrawn(), \"Router::already withdrawn\");\n\n        // Pool must be active\n        require(block.timestamp >= pool.activeAt(), \"Router::not active\");\n\n        // If the minimum was not met, withdraw all of the upfront rewards\n        uint256 supplyClaim = pool.maxSupply();\n        uint256 _supply = pool.supply();\n        if (_supply >= pool.minSupply()) {\n            // If the minimum was met, withdraw the rewards for the unfilled size\n            supplyClaim -= _supply;\n        }\n\n        // Perform accounting and transfer the rewards back to the borrower\n        uint256 rewardsToWithdraw = (pool.coupon() * supplyClaim) / 10**18;\n        pool.withdrawLeftovers(rewardsToWithdraw);\n\n        emit LeftoversWithdrawn(_pid, rewardsToWithdraw);\n    }\n\n    /**\n     * @notice Utility function that returns the value of collateral.\n     * Prices are fetched from the OracleManager.\n     * @dev Also used for off-chain data retrieval.\n     * @param _collateralAssets Array of collateral assets.\n     * @param _amts The amounts corresponding to the collateral assets.\n     * @return _borrowingPower The total value of the collateral.\n     */\n    function getBorrowingPower(\n        address[] calldata _collateralAssets,\n        uint256[] calldata _amts\n    ) public view returns (uint256 _borrowingPower) {\n        uint256 numCollaterals = _collateralAssets.length;\n        for (uint256 i = 0; i < numCollaterals; ) {\n            // Skip asset if the amount is 0\n            if (_amts[i] > 0) {\n                // Fetch the price of a unit of asset from the oracle\n                address asset = _collateralAssets[i];\n                uint256 price = oracleManager.getPrice(asset);\n\n                // Calculate the value of the collateral and add it to the borrowing power.\n                _borrowingPower +=\n                    (price * _amts[i]) /\n                    10**ERC20(asset).decimals();\n            }\n            unchecked {\n                ++i;\n            }\n        }\n    }\n\n    /**\n     * @notice Utility function that checks whether an array of addresses match pool collateral.\n     * They must be a subset.\n     * @param _pool The pool to check the assets against.\n     * @param _assets The array of ERC20 token addresses to check against the pool.\n     * @return Whether the given assets are valid subset of pool collateral.\n     */\n    function _assetsAreValidPoolCollateral(\n        IPool _pool,\n        address[] memory _assets\n    ) private view returns (bool) {\n        // Reads all assets from storage into memory.\n        address[] memory collateralAssets = _pool.getCollateralAssets();\n        uint256 numCollaterals = collateralAssets.length;\n\n        // Iterate through the assets\n        uint256 assetsLength = _assets.length;\n        for (uint256 i = 0; i < assetsLength; ) {\n            address asset = _assets[i];\n\n            // Check if there is a duplicate asset in the rest of the array\n            // Only need to search after the current position\n            uint256 j = i + 1;\n            for (; j < assetsLength; ) {\n                if (asset == _assets[j]) {\n                    return false;\n                }\n                unchecked {\n                    ++j;\n                }\n            }\n\n            // Check if the collateral exists in the pool\n            for (j = 0; j < numCollaterals; ) {\n                if (asset == collateralAssets[j]) {\n                    break;\n                }\n                unchecked {\n                    ++j;\n                }\n            }\n\n            if (j == numCollaterals) {\n                // Did not find a match\n                return false;\n            }\n\n            unchecked {\n                ++i;\n            }\n        }\n        return true;\n    }\n\n    /**\n     * @notice Private function that verifies that the caller is not the pool's borrower.\n     * @param _pool The pool contract.\n     */\n    function _verifyCallerIsNotBorrower(IPool _pool) private view {\n        require(msg.sender != _pool.borrower(), \"Router::cannot be borrower\");\n    }\n\n    /**\n     * @notice Private function that gets a pool address from a pool id.\n     * @dev Throws an error if a pool with the `_pid` does not exist.\n     * @param _pid The id of the pool to get the address of.\n     * @return _pool The pool contract.\n     */\n    function _getPool(uint256 _pid) private view returns (IPool _pool) {\n        address poolAddress = poolFactory.pidToPoolAddress(_pid);\n        require(poolAddress != address(0), \"Router::no pool\");\n        _pool = IPool(poolAddress);\n    }\n}\n"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200,
      "details": {
        "yul": false
      }
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "libraries": {}
  }
}