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{
"language": "Solidity",
"sources": {
"contracts/oracle/adapter/CurveLPMetaPoolAdapter.sol": {
"content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.1;\r\n\r\nimport \"./NormalizingOracleAdapter.sol\";\r\nimport \"../../interfaces/ICurvePool.sol\";\r\n\r\ncontract CurveLPMetaPoolAdapter is NormalizingOracleAdapter {\r\n ICurvePool public immutable curvePool;\r\n\r\n constructor(\r\n string memory _assetName,\r\n string memory _assetSymbol,\r\n address _asset,\r\n address _curvePool\r\n ) NormalizingOracleAdapter(_assetName, _assetSymbol, _asset, 18, 8) {\r\n require(address(_curvePool) != address(0), \"invalid oracle\");\r\n curvePool = ICurvePool(_curvePool);\r\n }\r\n\r\n function latestAnswer() external view override returns (int256) {\r\n uint256 price = _normalize(curvePool.get_virtual_price());\r\n return int256(price);\r\n }\r\n}\r\n"
},
"contracts/oracle/adapter/NormalizingOracleAdapter.sol": {
"content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.1;\r\nimport \"./AssetOracleAdapter.sol\";\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\nimport \"../../token/IERC20Details.sol\";\r\n\r\nabstract contract NormalizingOracleAdapter is AssetOracleAdapter, Ownable {\r\n uint256 public _inputDecimals;\r\n uint256 public _outputDecimals;\r\n\r\n constructor(\r\n string memory _assetName,\r\n string memory _assetSymbol,\r\n address _asset,\r\n uint256 __inputDecimals,\r\n uint256 __outputDecimlas\r\n ) AssetOracleAdapter(_assetName, _assetSymbol, _asset) {\r\n _inputDecimals = __inputDecimals;\r\n _outputDecimals = __outputDecimlas;\r\n }\r\n\r\n function getInputDecimals() public view returns (uint256) {\r\n return _inputDecimals;\r\n }\r\n\r\n function setInputDecimals(uint256 __inputDecimals) public onlyOwner {\r\n _inputDecimals = __inputDecimals;\r\n }\r\n\r\n function getOutputDecimals() public view returns (uint256) {\r\n return _outputDecimals;\r\n }\r\n\r\n function setOutputDecimals(uint256 __outputDecimals) public onlyOwner {\r\n _outputDecimals = __outputDecimals;\r\n }\r\n\r\n /// @dev scales the input to from `_inputDecimals` to `_outputDecimals` decimal places\r\n function _normalize(uint256 _amount) internal view returns (uint256) {\r\n if (_inputDecimals >= _outputDecimals) {\r\n return _amount / 10**(_inputDecimals - _outputDecimals);\r\n } else {\r\n return _amount * (10**(_outputDecimals - _inputDecimals));\r\n }\r\n }\r\n}\r\n"
},
"contracts/interfaces/ICurvePool.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.1;\n\n// solhint-disable\n\ninterface ICurvePool {\n function get_virtual_price() external view returns (uint256);\n\n function balances(uint256 arg0) external view returns (uint256);\n\n function price_oracle(uint256) external view returns (uint256);\n}\n"
},
"contracts/oracle/adapter/AssetOracleAdapter.sol": {
"content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.1;\r\nimport \"../../interfaces/IOracle.sol\";\r\n\r\nabstract contract AssetOracleAdapter is IOracle {\r\n string public assetName;\r\n /// @dev asset symbol\r\n string public assetSymbol;\r\n /// @dev admin allowed to update price oracle\r\n /// @notice the asset with the price oracle\r\n address public immutable asset;\r\n\r\n constructor(\r\n string memory _assetName,\r\n string memory _assetSymbol,\r\n address _asset\r\n ) {\r\n require(_asset != address(0), \"invalid asset\");\r\n assetName = _assetName;\r\n assetSymbol = _assetSymbol;\r\n asset = _asset;\r\n }\r\n}\r\n"
},
"@openzeppelin/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\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 address msgSender = _msgSender();\n _owner = msgSender;\n emit OwnershipTransferred(address(0), msgSender);\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 called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n _;\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 emit OwnershipTransferred(_owner, address(0));\n _owner = 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 emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n}\n"
},
"contracts/token/IERC20Details.sol": {
"content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.1;\r\n\r\ninterface IERC20Details {\r\n function name() external view returns (string memory);\r\n\r\n function symbol() external view returns (string memory);\r\n\r\n function decimals() external view returns (uint8);\r\n}\r\n"
},
"contracts/interfaces/IOracle.sol": {
"content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.1;\r\n\r\ninterface IOracle {\r\n /// @notice Price update event\r\n /// @param asset the asset\r\n /// @param newPrice price of the asset\r\n event PriceUpdated(address asset, uint256 newPrice);\r\n\r\n /// @dev returns latest answer\r\n function latestAnswer() external view returns (int256);\r\n\r\n}\r\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\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 this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\n return msg.data;\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 500
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}
} |