{
  "language": "Solidity",
  "settings": {
    "evmVersion": "london",
    "libraries": {},
    "metadata": {
      "bytecodeHash": "ipfs",
      "useLiteralContent": true
    },
    "optimizer": {
      "enabled": true,
      "runs": 5000
    },
    "remappings": [],
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  },
  "sources": {
    "@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 v4.4.1 (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.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    /**\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 v4.5.0) (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\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"
    },
    "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol": {
      "content": "pragma solidity >=0.5.0;\n\ninterface IUniswapV2Factory {\n    event PairCreated(address indexed token0, address indexed token1, address pair, uint);\n\n    function feeTo() external view returns (address);\n    function feeToSetter() external view returns (address);\n\n    function getPair(address tokenA, address tokenB) external view returns (address pair);\n    function allPairs(uint) external view returns (address pair);\n    function allPairsLength() external view returns (uint);\n\n    function createPair(address tokenA, address tokenB) external returns (address pair);\n\n    function setFeeTo(address) external;\n    function setFeeToSetter(address) external;\n}\n"
    },
    "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol": {
      "content": "pragma solidity >=0.5.0;\n\ninterface IUniswapV2Pair {\n    event Approval(address indexed owner, address indexed spender, uint value);\n    event Transfer(address indexed from, address indexed to, uint value);\n\n    function name() external pure returns (string memory);\n    function symbol() external pure returns (string memory);\n    function decimals() external pure returns (uint8);\n    function totalSupply() external view returns (uint);\n    function balanceOf(address owner) external view returns (uint);\n    function allowance(address owner, address spender) external view returns (uint);\n\n    function approve(address spender, uint value) external returns (bool);\n    function transfer(address to, uint value) external returns (bool);\n    function transferFrom(address from, address to, uint value) external returns (bool);\n\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n    function PERMIT_TYPEHASH() external pure returns (bytes32);\n    function nonces(address owner) external view returns (uint);\n\n    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;\n\n    event Mint(address indexed sender, uint amount0, uint amount1);\n    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);\n    event Swap(\n        address indexed sender,\n        uint amount0In,\n        uint amount1In,\n        uint amount0Out,\n        uint amount1Out,\n        address indexed to\n    );\n    event Sync(uint112 reserve0, uint112 reserve1);\n\n    function MINIMUM_LIQUIDITY() external pure returns (uint);\n    function factory() external view returns (address);\n    function token0() external view returns (address);\n    function token1() external view returns (address);\n    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);\n    function price0CumulativeLast() external view returns (uint);\n    function price1CumulativeLast() external view returns (uint);\n    function kLast() external view returns (uint);\n\n    function mint(address to) external returns (uint liquidity);\n    function burn(address to) external returns (uint amount0, uint amount1);\n    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;\n    function skim(address to) external;\n    function sync() external;\n\n    function initialize(address, address) external;\n}\n"
    },
    "@uniswap/v3-core/contracts/libraries/LowGasSafeMath.sol": {
      "content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.7.0;\n\n/// @title Optimized overflow and underflow safe math operations\n/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost\nlibrary LowGasSafeMath {\n    /// @notice Returns x + y, reverts if sum overflows uint256\n    /// @param x The augend\n    /// @param y The addend\n    /// @return z The sum of x and y\n    function add(uint256 x, uint256 y) internal pure returns (uint256 z) {\n        require((z = x + y) >= x);\n    }\n\n    /// @notice Returns x - y, reverts if underflows\n    /// @param x The minuend\n    /// @param y The subtrahend\n    /// @return z The difference of x and y\n    function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {\n        require((z = x - y) <= x);\n    }\n\n    /// @notice Returns x * y, reverts if overflows\n    /// @param x The multiplicand\n    /// @param y The multiplier\n    /// @return z The product of x and y\n    function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {\n        require(x == 0 || (z = x * y) / x == y);\n    }\n\n    /// @notice Returns x + y, reverts if overflows or underflows\n    /// @param x The augend\n    /// @param y The addend\n    /// @return z The sum of x and y\n    function add(int256 x, int256 y) internal pure returns (int256 z) {\n        require((z = x + y) >= x == (y >= 0));\n    }\n\n    /// @notice Returns x - y, reverts if overflows or underflows\n    /// @param x The minuend\n    /// @param y The subtrahend\n    /// @return z The difference of x and y\n    function sub(int256 x, int256 y) internal pure returns (int256 z) {\n        require((z = x - y) <= x == (y >= 0));\n    }\n}\n"
    },
    "contracts/access/Governable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../interfaces/core/IAddressProvider.sol\";\n\n/**\n * @notice Contract module which provides access control mechanism, where\n * the governor account is granted with exclusive access to specific functions.\n * @dev Uses the AddressProvider to get the governor\n */\nabstract contract Governable {\n    IAddressProvider public constant addressProvider = IAddressProvider(0xfbA0816A81bcAbBf3829bED28618177a2bf0e82A);\n\n    /// @dev Throws if called by any account other than the governor.\n    modifier onlyGovernor() {\n        require(msg.sender == addressProvider.governor(), \"not-governor\");\n        _;\n    }\n}\n"
    },
    "contracts/dependencies/uniswap/libraries/UniswapV2Library.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\nimport '@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol';\nimport '@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol';\nimport '@uniswap/v3-core/contracts/libraries/LowGasSafeMath.sol';\n\n/**\n * This is copied from Uniswap's V2SwapRouter.sol deployed at 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45\n * and licensed under GPL-2.0-or-later.\n * Changelog:\n * - Removed hardcoded initCodeHash and taking as param so that we can support multiple UniswapV2Like exchanges\n * - Added function getAmountsOut()\n */\nlibrary UniswapV2Library {\n    using LowGasSafeMath for uint256;\n\n    // returns sorted token addresses, used to handle return values from pairs sorted in this order\n    function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {\n        require(tokenA != tokenB);\n        (token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);\n        require(token0 != address(0));\n    }\n\n    // calculates the CREATE2 address for a pair without making any external calls\n    function pairFor(address factory, bytes32 initCodeHash, address tokenA, address tokenB) internal pure returns (address pair) {\n        (address token0, address token1) = sortTokens(tokenA, tokenB);\n        pair = address(uint160\n        (uint256(keccak256(abi.encodePacked(\n                hex'ff',\n                factory,\n                keccak256(abi.encodePacked(token0, token1)),\n                initCodeHash\n            )))));\n    }\n\n    // fetches and sorts the reserves for a pair\n    function getReserves(\n        address factory,\n        bytes32 initCodeHash,\n        address tokenA,\n        address tokenB\n    ) internal view returns (uint256 reserveA, uint256 reserveB) {\n        (address token0, ) = sortTokens(tokenA, tokenB);\n        (uint256 reserve0, uint256 reserve1, ) = IUniswapV2Pair(pairFor(factory, initCodeHash, tokenA, tokenB)).getReserves();\n        (reserveA, reserveB) = tokenA == token0 ? (reserve0, reserve1) : (reserve1, reserve0);\n    }\n\n    // given an input amount of an asset and pair reserves, returns the maximum output amount of the other asset\n    function getAmountOut(\n        uint256 amountIn,\n        uint256 reserveIn,\n        uint256 reserveOut\n    ) internal pure returns (uint256 amountOut) {\n        require(amountIn > 0, 'INSUFFICIENT_INPUT_AMOUNT');\n        require(reserveIn > 0 && reserveOut > 0);\n        uint256 amountInWithFee = amountIn.mul(997);\n        uint256 numerator = amountInWithFee.mul(reserveOut);\n        uint256 denominator = reserveIn.mul(1000).add(amountInWithFee);\n        amountOut = numerator / denominator;\n    }\n\n    // given an output amount of an asset and pair reserves, returns a required input amount of the other asset\n    function getAmountIn(\n        uint256 amountOut,\n        uint256 reserveIn,\n        uint256 reserveOut\n    ) internal pure returns (uint256 amountIn) {\n        require(amountOut > 0, 'INSUFFICIENT_OUTPUT_AMOUNT');\n        require(reserveIn > 0 && reserveOut > 0);\n        uint256 numerator = reserveIn.mul(amountOut).mul(1000);\n        uint256 denominator = reserveOut.sub(amountOut).mul(997);\n        amountIn = (numerator / denominator).add(1);\n    }\n\n        // performs chained getAmountOut calculations on any number of pairs\n    function getAmountsOut(\n        address factory,\n        bytes32 initCodeHash,\n        uint amountIn,\n        address[] memory path\n    ) internal view returns (uint[] memory amounts) {\n        require(path.length >= 2);\n        amounts = new uint[](path.length);\n        amounts[0] = amountIn;\n        for (uint i; i < path.length - 1; i++) {\n            (uint reserveIn, uint reserveOut) = getReserves(factory, initCodeHash, path[i], path[i + 1]);\n            amounts[i + 1] = getAmountOut(amounts[i], reserveIn, reserveOut);\n        }\n    }\n\n    // performs chained getAmountIn calculations on any number of pairs\n    function getAmountsIn(\n        address factory,\n        bytes32 initCodeHash,\n        uint256 amountOut,\n        address[] memory path\n    ) internal view returns (uint256[] memory amounts) {\n        require(path.length >= 2);\n        amounts = new uint256[](path.length);\n        amounts[amounts.length - 1] = amountOut;\n        for (uint256 i = path.length - 1; i > 0; i--) {\n            (uint256 reserveIn, uint256 reserveOut) = getReserves(factory,initCodeHash, path[i - 1], path[i]);\n            amounts[i - 1] = getAmountIn(amounts[i], reserveIn, reserveOut);\n        }\n    }\n}\n"
    },
    "contracts/interfaces/core/IAddressProvider.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IStableCoinProvider.sol\";\nimport \"./IPriceProvidersAggregator.sol\";\n\ninterface IAddressProvider {\n    function governor() external view returns (address);\n\n    function providersAggregator() external view returns (IPriceProvidersAggregator);\n\n    function stableCoinProvider() external view returns (IStableCoinProvider);\n}\n"
    },
    "contracts/interfaces/core/IPriceProvider.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\ninterface IPriceProvider {\n    /**\n     * @notice Get USD (or equivalent) price of an asset\n     * @param token_ The address of asset\n     * @return _priceInUsd The USD price\n     * @return _lastUpdatedAt Last updated timestamp\n     */\n    function getPriceInUsd(address token_) external view returns (uint256 _priceInUsd, uint256 _lastUpdatedAt);\n\n    /**\n     * @notice Get quote\n     * @param tokenIn_ The address of assetIn\n     * @param tokenOut_ The address of assetOut\n     * @param amountIn_ Amount of input token\n     * @return _amountOut Amount out\n     * @return _tokenInLastUpdatedAt Last updated timestamp of `tokenIn_`\n     * @return _tokenOutLastUpdatedAt Last updated timestamp of `tokenOut_`\n     */\n    function quote(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountIn_\n    )\n        external\n        view\n        returns (\n            uint256 _amountOut,\n            uint256 _tokenInLastUpdatedAt,\n            uint256 _tokenOutLastUpdatedAt\n        );\n\n    /**\n     * @notice Get quote in USD (or equivalent) amount\n     * @param token_ The address of assetIn\n     * @param amountIn_ Amount of input token.\n     * @return amountOut_ Amount in USD\n     * @return _lastUpdatedAt Last updated timestamp\n     */\n    function quoteTokenToUsd(address token_, uint256 amountIn_)\n        external\n        view\n        returns (uint256 amountOut_, uint256 _lastUpdatedAt);\n\n    /**\n     * @notice Get quote from USD (or equivalent) amount to amount of token\n     * @param token_ The address of assetOut\n     * @param amountIn_ Input amount in USD\n     * @return _amountOut Output amount of token\n     * @return _lastUpdatedAt Last updated timestamp\n     */\n    function quoteUsdToToken(address token_, uint256 amountIn_)\n        external\n        view\n        returns (uint256 _amountOut, uint256 _lastUpdatedAt);\n}\n"
    },
    "contracts/interfaces/core/IPriceProvidersAggregator.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../../libraries/DataTypes.sol\";\nimport \"./IPriceProvider.sol\";\n\n/**\n * @notice PriceProvidersAggregator interface\n * @dev Worth noting that the `_lastUpdatedAt` logic depends on the underlying price provider. In summary:\n * ChainLink: returns the last updated date from the aggregator\n * UniswapV2: returns the date of the latest pair oracle update\n * UniswapV3: assumes that the price is always updated (returns block.timestamp)\n * Flux: returns the last updated date from the aggregator\n * Umbrella (FCD): returns the last updated date returned from their oracle contract\n * Umbrella (Passport): returns the date of the latest pallet submission\n * Anytime that a quote performs more than one query, it uses the oldest date as the `_lastUpdatedAt`.\n * See more: https://github.com/bloqpriv/one-oracle/issues/64\n */\ninterface IPriceProvidersAggregator {\n    /**\n     * @notice Get USD (or equivalent) price of an asset\n     * @param provider_ The price provider to get quote from\n     * @param token_ The address of asset\n     * @return _priceInUsd The USD price\n     * @return _lastUpdatedAt Last updated timestamp\n     */\n    function getPriceInUsd(DataTypes.Provider provider_, address token_)\n        external\n        view\n        returns (uint256 _priceInUsd, uint256 _lastUpdatedAt);\n\n    /**\n     * @notice Provider Providers' mapping\n     */\n    function priceProviders(DataTypes.Provider provider_) external view returns (IPriceProvider _priceProvider);\n\n    /**\n     * @notice Get quote\n     * @param provider_ The price provider to get quote from\n     * @param tokenIn_ The address of assetIn\n     * @param tokenOut_ The address of assetOut\n     * @param amountIn_ Amount of input token\n     * @return _amountOut Amount out\n     * @return _tokenInLastUpdatedAt Last updated timestamp of `tokenIn_`\n     * @return _tokenOutLastUpdatedAt Last updated timestamp of `tokenOut_`\n     */\n    function quote(\n        DataTypes.Provider provider_,\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountIn_\n    )\n        external\n        view\n        returns (\n            uint256 _amountOut,\n            uint256 _tokenInLastUpdatedAt,\n            uint256 _tokenOutLastUpdatedAt\n        );\n\n    /**\n     * @notice Get quote\n     * @dev If providers aren't the same, uses native token as \"bridge\"\n     * @param providerIn_ The price provider to get quote for the tokenIn\n     * @param tokenIn_ The address of assetIn\n     * @param providerOut_ The price provider to get quote for the tokenOut\n     * @param tokenOut_ The address of assetOut\n     * @param amountIn_ Amount of input token\n     * @return _amountOut Amount out\n     * @return _tokenInLastUpdatedAt Last updated timestamp of `tokenIn_`\n     * @return _nativeTokenLastUpdatedAt Last updated timestamp of native token (i.e. WETH) used when providers aren't the same\n     * @return _tokenOutLastUpdatedAt Last updated timestamp of `tokenOut_`\n     */\n    function quote(\n        DataTypes.Provider providerIn_,\n        address tokenIn_,\n        DataTypes.Provider providerOut_,\n        address tokenOut_,\n        uint256 amountIn_\n    )\n        external\n        view\n        returns (\n            uint256 _amountOut,\n            uint256 _tokenInLastUpdatedAt,\n            uint256 _nativeTokenLastUpdatedAt,\n            uint256 _tokenOutLastUpdatedAt\n        );\n\n    /**\n     * @notice Get quote in USD (or equivalent) amount\n     * @param provider_ The price provider to get quote from\n     * @param token_ The address of assetIn\n     * @param amountIn_ Amount of input token.\n     * @return amountOut_ Amount in USD\n     * @return _lastUpdatedAt Last updated timestamp\n     */\n    function quoteTokenToUsd(\n        DataTypes.Provider provider_,\n        address token_,\n        uint256 amountIn_\n    ) external view returns (uint256 amountOut_, uint256 _lastUpdatedAt);\n\n    /**\n     * @notice Get quote from USD (or equivalent) amount to amount of token\n     * @param provider_ The price provider to get quote from\n     * @param token_ The address of assetOut\n     * @param amountIn_ Input amount in USD\n     * @return _amountOut Output amount of token\n     * @return _lastUpdatedAt Last updated timestamp\n     */\n    function quoteUsdToToken(\n        DataTypes.Provider provider_,\n        address token_,\n        uint256 amountIn_\n    ) external view returns (uint256 _amountOut, uint256 _lastUpdatedAt);\n\n    /**\n     * @notice Set a price provider\n     * @dev Administrative function\n     * @param provider_ The provider (from enum)\n     * @param priceProvider_ The price provider contract\n     */\n    function setPriceProvider(DataTypes.Provider provider_, IPriceProvider priceProvider_) external;\n}\n"
    },
    "contracts/interfaces/core/IStableCoinProvider.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\ninterface IStableCoinProvider {\n    /**\n     * @notice Return the stable coin if pegged\n     * @dev Check price relation between both stable coins and revert if peg is too loose\n     * @return _stableCoin The primary stable coin if pass all checks\n     */\n    function getStableCoinIfPegged() external view returns (address _stableCoin);\n\n    /**\n     * @notice Convert given amount of stable coin to USD representation (18 decimals)\n     */\n    function toUsdRepresentation(uint256 stableCoinAmount_) external view returns (uint256 _usdAmount);\n}\n"
    },
    "contracts/interfaces/swapper/IExchange.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity <=0.8.9;\n\n/**\n * @notice Exchange interface\n */\ninterface IExchange {\n    /**\n     * @notice Get *spot* quote\n     * It will return the swap amount based on the current reserves of the given path (i.e. spot price)\n     * @dev It shouldn't be used as oracle!!!\n     */\n    function getAmountsIn(uint256 _amountOut, bytes memory path_) external returns (uint256 _amountIn);\n\n    /**\n     * @notice Get *spot* quote\n     * It will return the swap amount based on the current reserves of the given path (i.e. spot price)\n     * @dev It shouldn't be used as oracle!!!\n     */\n    function getAmountsOut(uint256 amountIn_, bytes memory path_) external returns (uint256 _amountOut);\n\n    /**\n     * @notice Get *spot* quote\n     * It will return the swap amount based on the current reserves of the best pair/path found (i.e. spot price)\n     * @dev It shouldn't be used as oracle!!!\n     */\n    function getBestAmountIn(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountOut_\n    ) external returns (uint256 _amountIn, bytes memory _path);\n\n    /**\n     * @notice Get *spot* quote\n     * It will return the swap amount based on the current reserves of the best pair/path found (i.e. spot price)\n     * @dev It shouldn't be used as oracle!!!\n     */\n    function getBestAmountOut(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountIn_\n    ) external returns (uint256 _amountOut, bytes memory _path);\n\n    /**\n     * @notice Perform an exact input swap\n     * @dev Should transfer `amountIn_` before performing swap\n     */\n    function swapExactInput(\n        bytes calldata path_,\n        uint256 amountIn_,\n        uint256 amountOutMin_,\n        address outReceiver_\n    ) external returns (uint256 _amountOut);\n\n    /**\n     * @notice Perform an exact output swap\n     * @dev Should transfer `amountInMax_` before performing swap\n     * @dev Sends swap remains - if any - to the `inSender_`\n     */\n    function swapExactOutput(\n        bytes calldata path_,\n        uint256 amountOut_,\n        uint256 amountInMax_,\n        address inSender_,\n        address outRecipient_\n    ) external returns (uint256 _amountIn);\n}\n"
    },
    "contracts/libraries/DataTypes.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nlibrary DataTypes {\n    /**\n     * @notice Price providers enumeration\n     */\n    enum Provider {\n        NONE,\n        CHAINLINK,\n        UNISWAP_V3,\n        UNISWAP_V2,\n        SUSHISWAP,\n        TRADERJOE,\n        PANGOLIN,\n        QUICKSWAP,\n        UMBRELLA_FIRST_CLASS,\n        UMBRELLA_PASSPORT,\n        FLUX\n    }\n\n    enum ExchangeType {\n        UNISWAP_V2,\n        SUSHISWAP,\n        TRADERJOE,\n        PANGOLIN,\n        QUICKSWAP,\n        UNISWAP_V3,\n        PANCAKE_SWAP,\n        CURVE\n    }\n\n    enum SwapType {\n        EXACT_INPUT,\n        EXACT_OUTPUT\n    }\n}\n"
    },
    "contracts/swapper/UniswapV2LikeExchange.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport \"../dependencies/uniswap/libraries/UniswapV2Library.sol\";\nimport \"../access/Governable.sol\";\nimport \"../interfaces/swapper/IExchange.sol\";\n\n/**\n * @notice UniswapV2 Like Exchange\n */\ncontract UniswapV2LikeExchange is IExchange, Governable {\n    using SafeERC20 for IERC20;\n\n    /**\n     * @notice The WETH-Like token (a.k.a. Native Token)\n     * @dev I.e. should be the most liquid token that offer best routers among trade pairs\n     * @dev It's usually the wrapper token of the chain's native coin but it isn't always true\n     * For instance: On Polygon, the `WETH` is more liquid than `WMATIC` on UniV3 protocol.\n     */\n    address public wethLike;\n\n    /**\n     * @notice The UniswapV2-Like factory contract\n     */\n    address public immutable factory;\n\n    bytes32 internal immutable initCodeHash;\n    /// @notice Emitted when wethLike token is updated\n    event WethLikeTokenUpdated(address oldWethLike, address newWethLike);\n\n    /**\n     * @dev Doesn't consider router.WETH() as `wethLike` because isn't guaranteed that it's the most liquid token.\n     */\n    constructor(\n        address factory_,\n        bytes32 initCodeHash_,\n        address wethLike_\n    ) {\n        factory = factory_;\n        initCodeHash = initCodeHash_;\n        wethLike = wethLike_;\n    }\n\n    /// @inheritdoc IExchange\n    function getAmountsIn(uint256 amountOut_, bytes memory path_) external view override returns (uint256 _amountIn) {\n        _amountIn = getAmountsIn(amountOut_, _decodePath(path_));\n    }\n\n    /// @inheritdoc IExchange\n    function getAmountsOut(uint256 amountIn_, bytes memory path_) external view override returns (uint256 _amountOut) {\n        _amountOut = getAmountsOut(amountIn_, _decodePath(path_));\n    }\n\n    /**\n     * @dev getBestAmountIn require a try/catch version of getAmountsIn and try/catch do not work with internal\n     * library functions, hence wrapped library call in this function so that it can be used in try/catch\n     */\n    function getAmountsIn(uint256 amountOut_, address[] memory path_) public view returns (uint256 _amountIn) {\n        _amountIn = UniswapV2Library.getAmountsIn(factory, initCodeHash, amountOut_, path_)[0];\n    }\n\n    /**\n     * @dev getBestAmountOut require a try/catch version of getAmountsOut and try/catch do not work with internal\n     * library functions, hence wrapped library call in this function so that it can be used in try/catch\n     */\n    function getAmountsOut(uint256 amountIn_, address[] memory path_) public view returns (uint256 _amountOut) {\n        _amountOut = UniswapV2Library.getAmountsOut(factory, initCodeHash, amountIn_, path_)[path_.length - 1];\n    }\n\n    /// @inheritdoc IExchange\n    function getBestAmountIn(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountOut_\n    ) external returns (uint256 _amountIn, bytes memory _path) {\n        // 1. Check IN-OUT pair\n        address[] memory _pathA = new address[](2);\n        _pathA[0] = tokenIn_;\n        _pathA[1] = tokenOut_;\n        uint256 _amountInA = _getAmountsIn(amountOut_, _pathA);\n\n        if (tokenIn_ == wethLike || tokenOut_ == wethLike) {\n            // Returns if one of the token is WETH-Like\n            require(_amountInA > 0, \"no-path-found\");\n            return (_amountInA, _encodePath(_pathA));\n        }\n\n        // 2. Check IN-WETH-OUT path\n        address[] memory _pathB = new address[](3);\n        _pathB[0] = tokenIn_;\n        _pathB[1] = wethLike;\n        _pathB[2] = tokenOut_;\n        uint256 _amountInB = _getAmountsIn(amountOut_, _pathB);\n\n        // 3. Get best route between paths A and B\n        require(_amountInA > 0 || _amountInB > 0, \"no-path-found\");\n\n        // Returns A if it's valid and better than B or if B isn't valid\n        if ((_amountInA > 0 && _amountInA < _amountInB) || _amountInB == 0) {\n            return (_amountInA, _encodePath(_pathA));\n        }\n        return (_amountInB, _encodePath(_pathB));\n    }\n\n    /// @inheritdoc IExchange\n    function getBestAmountOut(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountIn_\n    ) external returns (uint256 _amountOut, bytes memory _path) {\n        // 1. Check IN-OUT pair\n        address[] memory _pathA = new address[](2);\n        _pathA[0] = tokenIn_;\n        _pathA[1] = tokenOut_;\n        uint256 _amountOutA = _getAmountsOut(amountIn_, _pathA);\n\n        if (tokenIn_ == wethLike || tokenOut_ == wethLike) {\n            // Returns if one of the token is WETH-Like\n            require(_amountOutA > 0, \"no-path-found\");\n            return (_amountOutA, _encodePath(_pathA));\n        }\n\n        // 2. Check IN-WETH-OUT path\n        address[] memory _pathB = new address[](3);\n        _pathB[0] = tokenIn_;\n        _pathB[1] = wethLike;\n        _pathB[2] = tokenOut_;\n        uint256 _amountOutB = _getAmountsOut(amountIn_, _pathB);\n\n        // 3. Get best route between paths A and B\n        require(_amountOutA > 0 || _amountOutB > 0, \"no-path-found\");\n        if (_amountOutA > _amountOutB) return (_amountOutA, _encodePath(_pathA));\n        return (_amountOutB, _encodePath(_pathB));\n    }\n\n    /// @inheritdoc IExchange\n    function swapExactInput(\n        bytes calldata path_,\n        uint256 amountIn_,\n        uint256 amountOutMin_,\n        address outReceiver_\n    ) external returns (uint256 _amountOut) {\n        address[] memory _path = _decodePath(path_);\n        IERC20 _tokenIn = IERC20(_path[0]);\n        IERC20 _tokenOut = IERC20(_path[_path.length - 1]);\n\n        _tokenIn.safeTransfer(UniswapV2Library.pairFor(factory, initCodeHash, _path[0], _path[1]), amountIn_);\n        uint256 balanceBefore = _tokenOut.balanceOf(outReceiver_);\n        _swap(_path, outReceiver_);\n        _amountOut = _tokenOut.balanceOf(outReceiver_) - balanceBefore;\n        require(_amountOut >= amountOutMin_, \"Too little received\");\n    }\n\n    /// @inheritdoc IExchange\n    function swapExactOutput(\n        bytes calldata path_,\n        uint256 amountOut_,\n        uint256 amountInMax_,\n        address inSender_,\n        address outRecipient_\n    ) external returns (uint256 _amountIn) {\n        address[] memory _path = _decodePath(path_);\n        IERC20 _tokenIn = IERC20(_path[0]);\n\n        _amountIn = UniswapV2Library.getAmountsIn(factory, initCodeHash, amountOut_, _path)[0];\n        require(_amountIn <= amountInMax_, \"Too much requested\");\n\n        _tokenIn.safeTransfer(UniswapV2Library.pairFor(factory, initCodeHash, _path[0], _path[1]), _amountIn);\n        _swap(_path, outRecipient_);\n\n        // If swap end up costly less than _amountInMax then return remaining\n        uint256 _remainingAmountIn = amountInMax_ - _amountIn;\n        if (_remainingAmountIn > 0) {\n            _tokenIn.safeTransfer(inSender_, _remainingAmountIn);\n        }\n    }\n\n    /// @dev Returns `0` if reverts\n    function _getAmountsIn(uint256 _amountOut, address[] memory _path) internal view returns (uint256 _amountIn) {\n        try this.getAmountsIn(_amountOut, _path) returns (uint256 amountIn) {\n            _amountIn = amountIn;\n        } catch {}\n    }\n\n    /// @dev Returns `0` if reverts\n    function _getAmountsOut(uint256 amountIn_, address[] memory path_) internal view returns (uint256 _amountOut) {\n        try this.getAmountsOut(amountIn_, path_) returns (uint256 amountOut) {\n            _amountOut = amountOut;\n        } catch {}\n    }\n\n    /**\n     * @notice Encode path from `address[]` to `bytes`\n     */\n    function _encodePath(address[] memory path_) private pure returns (bytes memory _path) {\n        return abi.encode(path_);\n    }\n\n    /**\n     * @notice Encode path from `bytes` to `address[]`\n     */\n    function _decodePath(bytes memory path_) private pure returns (address[] memory _path) {\n        return abi.decode(path_, (address[]));\n    }\n\n    /**\n     * NOTICE:: This function is being used as is from Uniswap's V2SwapRouter.sol deployed\n     * at 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45 and licensed under GPL-2.0-or-later.\n     * - It does supports fee-on-transfer tokens\n     * - It does requires the initial amount to have already been sent to the first pair\n     */\n    function _swap(address[] memory path, address _to) private {\n        for (uint256 i; i < path.length - 1; i++) {\n            (address input, address output) = (path[i], path[i + 1]);\n            (address token0, ) = UniswapV2Library.sortTokens(input, output);\n            IUniswapV2Pair pair = IUniswapV2Pair(UniswapV2Library.pairFor(factory, initCodeHash, input, output));\n            uint256 amountInput;\n            uint256 amountOutput;\n            // scope to avoid stack too deep errors\n            {\n                (uint256 reserve0, uint256 reserve1, ) = pair.getReserves();\n                (uint256 reserveInput, uint256 reserveOutput) = input == token0\n                    ? (reserve0, reserve1)\n                    : (reserve1, reserve0);\n                amountInput = IERC20(input).balanceOf(address(pair)) - reserveInput;\n                amountOutput = UniswapV2Library.getAmountOut(amountInput, reserveInput, reserveOutput);\n            }\n            (uint256 amount0Out, uint256 amount1Out) = input == token0\n                ? (uint256(0), amountOutput)\n                : (amountOutput, uint256(0));\n            address to = i < path.length - 2\n                ? UniswapV2Library.pairFor(factory, initCodeHash, output, path[i + 2])\n                : _to;\n            pair.swap(amount0Out, amount1Out, to, new bytes(0));\n        }\n    }\n\n    /**\n     * @notice Update WETH-Like token\n     */\n    function updateWethLikeToken(address wethLike_) external onlyGovernor {\n        emit WethLikeTokenUpdated(wethLike, wethLike_);\n        wethLike = wethLike_;\n    }\n}\n"
    }
  }
}