creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "src/utils/CurveResolverMainnet.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\n// Copyright (c) 2023 Tokemak Foundation. All rights reserved.\n\npragma solidity 0.8.17;\n\nimport { Errors } from \"src/utils/Errors.sol\";\nimport { ICurveResolver } from \"src/interfaces/utils/ICurveResolver.sol\";\nimport { ICurveMetaRegistry } from \"src/interfaces/external/curve/ICurveMetaRegistry.sol\";\n\ncontract CurveResolverMainnet is ICurveResolver {\n    ICurveMetaRegistry public immutable curveMetaRegistry;\n\n    error CouldNotResolve(address poolAddress);\n\n    constructor(ICurveMetaRegistry _curveMetaRegistry) {\n        Errors.verifyNotZero(address(_curveMetaRegistry), \"_curveMetaRegistry\");\n\n        curveMetaRegistry = _curveMetaRegistry;\n    }\n\n    /// @inheritdoc ICurveResolver\n    function resolve(address poolAddress)\n        public\n        view\n        returns (address[8] memory tokens, uint256 numTokens, bool isStableSwap)\n    {\n        Errors.verifyNotZero(poolAddress, \"poolAddress\");\n\n        // If a pool is not showing up in the registry, this will revert\n        try curveMetaRegistry.get_coins(poolAddress) returns (address[8] memory retTokens) {\n            tokens = retTokens;\n            numTokens = curveMetaRegistry.get_n_coins(poolAddress);\n        } catch {\n            // We have to try other means to get the information\n            do {\n                //slither-disable-start low-level-calls,missing-zero-check\n                (bool success, bytes memory retData) =\n                    poolAddress.staticcall(abi.encodeWithSignature(\"coins(uint256)\", numTokens));\n                //slither-disable-end low-level-calls,missing-zero-check\n                if (!success) {\n                    break;\n                }\n                if (retData.length > 0) {\n                    tokens[numTokens] = abi.decode(retData, (address));\n                }\n                if (tokens[numTokens] == address(0)) {\n                    break;\n                }\n                unchecked {\n                    ++numTokens;\n                }\n            } while (true);\n        }\n\n        if (numTokens == 0) {\n            revert CouldNotResolve(poolAddress);\n        }\n\n        isStableSwap = _isStableSwap(poolAddress);\n    }\n\n    /// @inheritdoc ICurveResolver\n    function resolveWithLpToken(address poolAddress)\n        external\n        view\n        returns (address[8] memory tokens, uint256 numTokens, address lpToken, bool isStableSwap)\n    {\n        (tokens, numTokens, isStableSwap) = resolve(poolAddress);\n        lpToken = getLpToken(poolAddress);\n    }\n\n    /// @inheritdoc ICurveResolver\n    function getLpToken(address poolAddress) public view returns (address) {\n        // If a pool is not showing up in the registry, this will revert\n        try curveMetaRegistry.get_lp_token(poolAddress) returns (address lpToken) {\n            return lpToken;\n        } catch {\n            //slither-disable-start low-level-calls,missing-zero-check\n            // We have to try other means to get the information\n            (bool success, bytes memory retData) = poolAddress.staticcall(abi.encodeWithSignature(\"totalSupply()\"));\n            if (success && retData.length > 0) {\n                // If the pool address has a totalSupply() call then pool is lpToken\n                return poolAddress;\n            }\n\n            (success, retData) = poolAddress.staticcall(abi.encodeWithSignature(\"lp_token()\"));\n            if (success && retData.length > 0) {\n                return abi.decode(retData, (address));\n            }\n\n            (success, retData) = poolAddress.staticcall(abi.encodeWithSignature(\"token()\"));\n            if (success && retData.length > 0) {\n                return abi.decode(retData, (address));\n            }\n            //slither-disable-end low-level-calls,missing-zero-check\n        }\n\n        revert CouldNotResolve(poolAddress);\n    }\n\n    /// @inheritdoc ICurveResolver\n    function getReservesInfo(address poolAddress) external view returns (uint256[8] memory ret) {\n        Errors.verifyNotZero(poolAddress, \"poolAddress\");\n\n        // If a pool is not showing up in the registry, this will revert\n        try curveMetaRegistry.get_balances(poolAddress) returns (uint256[8] memory retBalances) {\n            return retBalances;\n        } catch {\n            // We have to try other means to get the information\n            uint256 i = 0;\n            do {\n                // No newer pools use the balances(int256) interface and we won't be targeting the older ones\n                //slither-disable-start low-level-calls,missing-zero-check\n                (bool success, bytes memory retData) =\n                    poolAddress.staticcall(abi.encodeWithSignature(\"balances(uint256)\", i));\n                //slither-disable-end low-level-calls,missing-zero-check\n                if (success && retData.length > 0) {\n                    ret[i] = abi.decode(retData, (uint256));\n                } else {\n                    break;\n                }\n\n                unchecked {\n                    ++i;\n                }\n            } while (i < 8);\n\n            if (i == 0) {\n                revert CouldNotResolve(poolAddress);\n            }\n        }\n    }\n\n    function _isStableSwap(address pool) private view returns (bool) {\n        // Using the presence of a gamma() fn as an indicator of pool type\n        // Zero check for the poolAddress is above\n        // slither-disable-start low-level-calls,missing-zero-check,unchecked-lowlevel\n        // solhint-disable-next-line avoid-low-level-calls\n        (bool success,) = pool.staticcall(abi.encodeWithSignature(\"gamma()\"));\n        // slither-disable-end low-level-calls,missing-zero-check,unchecked-lowlevel\n\n        return !success;\n    }\n}\n"
      },
      "src/utils/Errors.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\n// Copyright (c) 2023 Tokemak Foundation. All rights reserved.\npragma solidity 0.8.17;\n\nimport { Address } from \"openzeppelin-contracts/utils/Address.sol\";\n\nlibrary Errors {\n    using Address for address;\n    ///////////////////////////////////////////////////////////////////\n    //                       Set errors\n    ///////////////////////////////////////////////////////////////////\n\n    error AccessDenied();\n    error ZeroAddress(string paramName);\n    error ZeroAmount();\n    error InsufficientBalance(address token);\n    error AssetNotAllowed(address token);\n    error NotImplemented();\n    error InvalidAddress(address addr);\n    error InvalidParam(string paramName);\n    error InvalidParams();\n    error UnsafePrice(address token, uint256 spotPrice, uint256 safePrice);\n    error AlreadySet(string param);\n    error AlreadyRegistered(address param);\n    error SlippageExceeded(uint256 expected, uint256 actual);\n    error ArrayLengthMismatch(uint256 length1, uint256 length2, string details);\n\n    error ItemNotFound();\n    error ItemExists();\n    error MissingRole(bytes32 role, address user);\n    error RegistryItemMissing(string item);\n    error NotRegistered();\n    // Used to check storage slot is empty before setting.\n    error MustBeZero();\n    // Used to check storage slot set before deleting.\n    error MustBeSet();\n\n    error ApprovalFailed(address token);\n    error FlashLoanFailed(address token, uint256 amount);\n\n    error SystemMismatch(address source1, address source2);\n\n    error InvalidToken(address token);\n    error UnreachableError();\n\n    function verifyNotZero(address addr, string memory paramName) internal pure {\n        if (addr == address(0)) {\n            revert ZeroAddress(paramName);\n        }\n    }\n\n    function verifyNotZero(bytes32 key, string memory paramName) internal pure {\n        if (key == bytes32(0)) {\n            revert InvalidParam(paramName);\n        }\n    }\n\n    function verifyNotEmpty(string memory val, string memory paramName) internal pure {\n        if (bytes(val).length == 0) {\n            revert InvalidParam(paramName);\n        }\n    }\n\n    function verifyNotZero(uint256 num, string memory paramName) internal pure {\n        if (num == 0) {\n            revert InvalidParam(paramName);\n        }\n    }\n\n    function verifySystemsMatch(address component1, address component2) internal view {\n        bytes memory call = abi.encodeWithSignature(\"getSystemRegistry()\");\n\n        address registry1 = abi.decode(component1.functionStaticCall(call), (address));\n        address registry2 = abi.decode(component2.functionStaticCall(call), (address));\n\n        if (registry1 != registry2) {\n            revert SystemMismatch(component1, component2);\n        }\n    }\n\n    function verifyArrayLengths(uint256 length1, uint256 length2, string memory details) internal pure {\n        if (length1 != length2) {\n            revert ArrayLengthMismatch(length1, length2, details);\n        }\n    }\n}\n"
      },
      "src/interfaces/utils/ICurveResolver.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\n// Copyright (c) 2023 Tokemak Foundation. All rights reserved.\n\npragma solidity 0.8.17;\n\ninterface ICurveResolver {\n    /// @notice Resolve details of a Curve pool regardless of type or version\n    /// @dev This resolves tokens without unwrapping to underlying in the case of meta pools.\n    /// If you need a dynamic array of tokens use Arrays.convertFixedCurveTokenArrayToDynamic(tokens,numTokens)\n    /// @param poolAddress pool address to lookup\n    /// @return tokens tokens that make up the pool\n    /// @return numTokens the number of tokens. tokens are not unwrapped.\n    /// @return isStableSwap is this a StableSwap pool. false = CryptoSwap\n    function resolve(address poolAddress)\n        external\n        view\n        returns (address[8] memory tokens, uint256 numTokens, bool isStableSwap);\n\n    /// @notice Resolve details of a Curve pool regardless of type or version\n    /// @dev This resolves tokens without unwrapping to underlying in the case of meta pools.\n    /// If you need a dynamic array of tokens use Arrays.convertFixedCurveTokenArrayToDynamic(tokens,numTokens)\n    /// @param poolAddress pool address to lookup\n    /// @return tokens tokens that make up the pool\n    /// @return numTokens the number of tokens. tokens are not unwrapped\n    /// @return lpToken lp token of the pool\n    /// @return isStableSwap is this a StableSwap pool. false = CryptoSwap\n    function resolveWithLpToken(address poolAddress)\n        external\n        view\n        returns (address[8] memory tokens, uint256 numTokens, address lpToken, bool isStableSwap);\n\n    /// @notice Get the lp token of a Curve pool\n    /// @param poolAddress pool address to lookup\n    function getLpToken(address poolAddress) external view returns (address);\n\n    /// @notice Get the reserves of a Curve pools' tokens\n    /// @dev Actual balances length might differ from 8 and should be verified by the caller\n    /// @param poolAddress pool address to lookup\n    /// @return balances reserves of the pool tokens\n    function getReservesInfo(address poolAddress) external view returns (uint256[8] memory balances);\n}\n"
      },
      "src/interfaces/external/curve/ICurveMetaRegistry.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\n// solhint-disable func-name-mixedcase, var-name-mixedcase\n// slither-disable-start naming-convention\ninterface ICurveMetaRegistry {\n    /// @notice Get the coins within a pool\n    /// @dev For metapools, these are the wrapped coin addresses\n    /// @param _pool Pool address\n    /// @return List of coin addresses\n    function get_coins(address _pool) external view returns (address[8] memory);\n\n    /// @notice Get the coins within a pool\n    /// @dev For metapools, these are the wrapped coin addresses\n    /// @param _pool Pool address\n    /// @param _handler_id id of registry handler\n    /// @return List of coin addresses\n    function get_coins(address _pool, uint256 _handler_id) external view returns (address[8] memory);\n\n    /// @notice Get the number of coins in a pool\n    /// @dev For metapools, it is tokens + wrapping/lending token (no underlying)\n    /// @param _pool Pool address\n    /// @return Number of coins\n    function get_n_coins(address _pool) external view returns (uint256);\n\n    /// @notice Get the number of coins in a pool\n    /// @dev For metapools, it is tokens + wrapping/lending token (no underlying)\n    /// @param _pool Pool address\n    /// @param _handler_id Id of the registry to check\n    /// @return Number of coins\n    function get_n_coins(address _pool, uint256 _handler_id) external view returns (uint256);\n\n    /// @notice Get the address of the LP token of a pool\n    /// @param _pool Pool address\n    /// @return Address of the LP token\n    function get_lp_token(address _pool) external view returns (address);\n\n    /// @notice Get the address of the LP token of a pool\n    /// @param _pool Pool address\n    /// @param _handler_id id of registry handler\n    /// @return Address of the LP token\n    function get_lp_token(address _pool, uint256 _handler_id) external view returns (address);\n\n    /// @notice Get the balances of the tokens in the pool\n    /// @dev For metapools, these are the wrapped coin addresses\n    /// @param _pool Pool address\n    /// @return List of balances\n    function get_balances(address _pool) external view returns (uint256[8] memory);\n}\n// slither-disable-end naming-convention\n"
      },
      "lib/openzeppelin-contracts/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, \"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        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResultFromTarget(target, 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        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResultFromTarget(target, 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        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n     *\n     * _Available since v4.8._\n     */\n    function verifyCallResultFromTarget(\n        address target,\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        if (success) {\n            if (returndata.length == 0) {\n                // only check isContract if the call was successful and the return data is empty\n                // otherwise we already know that it was a contract\n                require(isContract(target), \"Address: call to non-contract\");\n            }\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason or 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            _revert(returndata, errorMessage);\n        }\n    }\n\n    function _revert(bytes memory returndata, string memory errorMessage) private pure {\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"
      }
    },
    "settings": {
      "remappings": [
        "forge-std/=lib/forge-std/src/",
        "ds-test/=lib/forge-std/lib/ds-test/src/",
        "src/=src/",
        "test/=test/",
        "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
        "erc4626-tests/=lib/erc4626-tests/",
        "prb-math/=lib/prb-math/",
        "crytic/properties/=lib/properties/",
        "ERC4626/=lib/properties/lib/ERC4626/contracts/",
        "properties/=lib/properties/contracts/",
        "solmate/=lib/properties/lib/solmate/src/",
        "usingtellor/=lib/usingtellor/contracts/"
      ],
      "optimizer": {
        "enabled": true,
        "runs": 200
      },
      "metadata": {
        "useLiteralContent": false,
        "bytecodeHash": "ipfs"
      },
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      },
      "evmVersion": "london",
      "viaIR": false,
      "libraries": {}
    }
  }}