lib_sol8->lib_uniswap

lib_uniswap/v3-periphery/contracts/interfaces/ITickLens.sol

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+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.7.5;
+pragma abicoder v2;
+
+/// @title Tick Lens
+/// @notice Provides functions for fetching chunks of tick data for a pool
+/// @dev This avoids the waterfall of fetching the tick bitmap, parsing the bitmap to know which ticks to fetch, and
+/// then sending additional multicalls to fetch the tick data
+interface ITickLens {
+    struct PopulatedTick {
+        int24 tick;
+        int128 liquidityNet;
+        uint128 liquidityGross;
+    }
+
+    /// @notice Get all the tick data for the populated ticks from a word of the tick bitmap of a pool
+    /// @param pool The address of the pool for which to fetch populated tick data
+    /// @param tickBitmapIndex The index of the word in the tick bitmap for which to parse the bitmap and
+    /// fetch all the populated ticks
+    /// @return populatedTicks An array of tick data for the given word in the tick bitmap
+    function getPopulatedTicksInWord(address pool, int16 tickBitmapIndex)
+        external
+        view
+        returns (PopulatedTick[] memory populatedTicks);
+}