1  /*
 2      Copyright 2021 DeFi Options DAO, based on the works of the Empty Set Squad
 3  
 4      Licensed under the Apache License, Version 2.0 (the "License");
 5      you may not use this file except in compliance with the License.
 6      You may obtain a copy of the License at
 7  
 8      http://www.apache.org/licenses/LICENSE-2.0
 9  
10      Unless required by applicable law or agreed to in writing, software
11      distributed under the License is distributed on an "AS IS" BASIS,
12      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13      See the License for the specific language governing permissions and
14      limitations under the License.
15  */
16  
17  pragma solidity >=0.6.0;
18  pragma experimental ABIEncoderV2;
19  
20  import "../utils/Decimal.sol";
21  
22  interface IDEXOracleV1 {
23      function capture() external returns (int256, bool);
24      function pair() external view returns (address);
25      function stablecoin() external view returns (address);
26      function liveReserve() external view returns (uint256);
27      function latestPrice() external view returns (int256);
28      function latestValid() external view returns (bool);
29      function latestCapture() external view returns (uint256);
30  }