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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface Uniswap3SC{
    function liquidity() external view returns (uint128);
	function tickSpacing() external view returns (int24);
	function slot0() external view returns (
        uint160 sqrtPriceX96,
        int24 tick,
        uint16 observationIndex,
        uint16 observationCardinality,
        uint16 observationCardinalityNext,
        uint8 feeProtocol,
        bool unlocked
    );
	function ticks(int24 tick) external view returns (
        uint128 liquidityGross,
        int128 liquidityNet,
        uint256 feeGrowthOutside0X128,
        uint256 feeGrowthOutside1X128,
        int56 tickCumulativeOutside,
        uint160 secondsPerLiquidityOutsideX128,
        uint32 secondsOutside,
        bool initialized
    );
	function token0() external view returns (address);
	function token1() external view returns (address);
}

contract Uniswap3Data{
	
	struct TickRange {
        int24 lower;
        int24 upper;
    }
	function calculateTickRange(int24 tick, int24 tickSpace) internal pure returns (TickRange memory range) {

        if(tick >= 0){
		
            range.lower = int24(int256(tick / tickSpace) * tickSpace);
            range.upper = range.lower + tickSpace;
			
        }else{
			
			if(tick % tickSpace != 0){
			
				range.upper = int24(int256(tick / tickSpace) * tickSpace);
				range.lower = range.upper - tickSpace;
			
			}else{
			
				range.lower = tick;
				range.upper = tick + tickSpace;
			
			}
			
		}
        
        return range;
	}
	
	struct LiquidityNetData{
		int24 tick;
		int128 liquidityNet;
	}
	struct LiquidityNets {
		LiquidityNetData[] lower;
		LiquidityNetData[] upper;
	}
	function getLiquidityNets(Uniswap3SC poolSC, TickRange memory tickRange, int24 tickSpacing, uint16 numTicks) internal view returns (LiquidityNets memory liquidityNets){

		LiquidityNetData[] memory liquidityNetsUp = new LiquidityNetData[](numTicks);
		LiquidityNetData[] memory liquidityNetsDown = new LiquidityNetData[](numTicks);
		
		for (uint16 i = 0; i < numTicks; i++) {

			int24 tickStep = (tickSpacing * int24(int16(i)));

            //up
            int24 tickUp = tickRange.upper + tickStep;
            (, int128 lqNetUp, , , , , , ) = poolSC.ticks(tickUp);
            liquidityNetsUp[i].tick = tickUp;
			liquidityNetsUp[i].liquidityNet = lqNetUp;

            //down
            int24 tickDown = tickRange.lower - tickStep;
            (, int128 lqNetDown, , , , , , ) = poolSC.ticks(tickDown);
            liquidityNetsDown[i].tick = tickDown;
			liquidityNetsDown[i].liquidityNet = lqNetDown;

        }
		
		liquidityNets.upper = liquidityNetsUp;
		liquidityNets.lower = liquidityNetsDown;
		
	}
    
    function getCurrentTickData(address pool) external view returns (uint128 liquidity, int24 tick, int24 tickSpacing) {

		Uniswap3SC poolSC = Uniswap3SC(pool);
        
		liquidity = poolSC.liquidity();
		(, tick, , , , , ) = poolSC.slot0();
		tickSpacing = poolSC.tickSpacing();
		
	}

    function getTicksData(address pool, uint16 numTicks) external view returns (
			uint128 liquidity, 
			int24 tick, int24 tickSpacing, int24[] memory tickRange, 
			LiquidityNetData[] memory liquidityNetsUpper, LiquidityNetData[] memory liquidityNetsLower,
			address[] memory tokens
		){

		//create SC
        Uniswap3SC poolSC = Uniswap3SC(pool);
		
		//get liquidity, tick and tick space
        liquidity = poolSC.liquidity();
        (, tick, , , , , ) = poolSC.slot0();
		tickSpacing = poolSC.tickSpacing();
		
		//calculate the range for tick
        TickRange memory tickRangeObj = calculateTickRange(tick, tickSpacing);
		
		//put it in return variable
		tickRange = new int24[](2);
		tickRange[0] = tickRangeObj.lower;
		tickRange[1] = tickRangeObj.upper;

		//get liquidity nets for numTicks tickere
        LiquidityNets memory liquidityNets = getLiquidityNets(poolSC, tickRangeObj, tickSpacing, numTicks);
		
		//split them
		liquidityNetsUpper = liquidityNets.upper;
		liquidityNetsLower = liquidityNets.lower;
		
		//get the tokens
		tokens = new address[](2);
		tokens[0] = poolSC.token0();
		tokens[1] = poolSC.token1();

    }

    function getTickRange(int24 tick, int24 tickSpace) external pure returns (int24 lower, int24 upper) {
        TickRange memory range = calculateTickRange(tick, tickSpace);
        return (range.lower, range.upper);
    }

}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"pool","type":"address"}],"name":"getCurrentTickData","outputs":[{"internalType":"uint128","name":"liquidity","type":"uint128"},{"internalType":"int24","name":"tick","type":"int24"},{"internalType":"int24","name":"tickSpacing","type":"int24"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"int24","name":"tick","type":"int24"},{"internalType":"int24","name":"tickSpace","type":"int24"}],"name":"getTickRange","outputs":[{"internalType":"int24","name":"lower","type":"int24"},{"internalType":"int24","name":"upper","type":"int24"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"pool","type":"address"},{"internalType":"uint16","name":"numTicks","type":"uint16"}],"name":"getTicksData","outputs":[{"internalType":"uint128","name":"liquidity","type":"uint128"},{"internalType":"int24","name":"tick","type":"int24"},{"internalType":"int24","name":"tickSpacing","type":"int24"},{"internalType":"int24[]","name":"tickRange","type":"int24[]"},{"components":[{"internalType":"int24","name":"tick","type":"int24"},{"internalType":"int128","name":"liquidityNet","type":"int128"}],"internalType":"struct Uniswap3Data.LiquidityNetData[]","name":"liquidityNetsUpper","type":"tuple[]"},{"components":[{"internalType":"int24","name":"tick","type":"int24"},{"internalType":"int128","name":"liquidityNet","type":"int128"}],"internalType":"struct Uniswap3Data.LiquidityNetData[]","name":"liquidityNetsLower","type":"tuple[]"},{"internalType":"address[]","name":"tokens","type":"address[]"}],"stateMutability":"view","type":"function"}]

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