Proving Schedule interface

src/IPDPProvingSchedule.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.20;
+
+/// @title IPDPProvingWindow
+/// @notice Interface for PDP Service SLA specifications
+interface IPDPProvingSchedule {
+    /// @notice Returns the number of epochs allowed before challenges must be resampled
+    /// @return Maximum proving period in epochs
+    function getMaxProvingPeriod() external pure returns (uint64);
+
+    /// @notice Returns the number of epochs at the end of a proving period during which proofs can be submitted
+    /// @return Challenge window size in epochs
+    function challengeWindow() external pure returns (uint256);
+
+    /// @notice Calculates the start of the next challenge window for a given proof set
+    /// @param setId The ID of the proof set
+    /// @return The block number when the next challenge window starts
+    function nextChallengeWindowStart(uint256 setId) external view returns (uint256);
+
+    /// @notice Returns the required number of challenges/merkle inclusion proofs per proof set
+    /// @return Number of challenges required per proof
+    function getChallengesPerProof() external pure returns (uint64);
+}