{
    "Function": "registerTokenTransfer",
    "File": "contracts/SemiFungiblePositionManager.sol",
    "Parent Contracts": [
        "contracts/multicall/Multicall.sol",
        "contracts/tokens/ERC1155Minimal.sol"
    ],
    "High-Level Calls": [
        "LiquidityChunk",
        "LiquidityChunk",
        "LiquidityChunk",
        "TokenId",
        "TokenId",
        "IUniswapV3Pool",
        "TokenId",
        "LeftRight",
        "LiquidityChunk",
        "PanopticMath",
        "LiquidityChunk",
        "TokenId"
    ],
    "Internal Calls": [
        "abi.encodePacked()",
        "abi.encodePacked()",
        "keccak256(bytes)",
        "keccak256(bytes)",
        "revert TransferFailed()",
        "revert TransferFailed()"
    ],
    "Library Calls": [
        "tokenType",
        "countLegs",
        "rightSlot",
        "tickUpper",
        "liquidity",
        "validate",
        "getLiquidityChunk",
        "tickLower",
        "tokenType",
        "tickUpper",
        "tickLower"
    ],
    "Low-Level Calls": [],
    "Code": "function registerTokenTransfer(address from, address to, uint256 id, uint256 amount) internal {\n        // Extract univ3pool from the poolId map to Uniswap Pool\n        IUniswapV3Pool univ3pool = s_poolContext[id.validate()].pool;\n\n        uint256 numLegs = id.countLegs();\n        for (uint256 leg = 0; leg < numLegs; ) {\n            // for this leg index: extract the liquidity chunk: a 256bit word containing the liquidity amount and upper/lower tick\n            // @dev see `contracts/types/LiquidityChunk.sol`\n            uint256 liquidityChunk = PanopticMath.getLiquidityChunk(\n                id,\n                leg,\n                uint128(amount),\n                univ3pool.tickSpacing()\n            );\n\n            //construct the positionKey for the from and to addresses\n            bytes32 positionKey_from = keccak256(\n                abi.encodePacked(\n                    address(univ3pool),\n                    from,\n                    id.tokenType(leg),\n                    liquidityChunk.tickLower(),\n                    liquidityChunk.tickUpper()\n                )\n            );\n            bytes32 positionKey_to = keccak256(\n                abi.encodePacked(\n                    address(univ3pool),\n                    to,\n                    id.tokenType(leg),\n                    liquidityChunk.tickLower(),\n                    liquidityChunk.tickUpper()\n                )\n            );\n\n            // Revert if recipient already has that position\n            if (\n                (s_accountLiquidity[positionKey_to] != 0) ||\n                (s_accountFeesBase[positionKey_to] != 0)\n            ) revert Errors.TransferFailed();\n\n            // Revert if not all balance is transferred\n            uint256 fromLiq = s_accountLiquidity[positionKey_from];\n            if (fromLiq.rightSlot() != liquidityChunk.liquidity()) revert Errors.TransferFailed();\n\n            int256 fromBase = s_accountFeesBase[positionKey_from];\n\n            //update+store liquidity and fee values between accounts\n            s_accountLiquidity[positionKey_to] = fromLiq;\n            s_accountLiquidity[positionKey_from] = 0;\n\n            s_accountFeesBase[positionKey_to] = fromBase;\n            s_accountFeesBase[positionKey_from] = 0;\n            unchecked {\n                ++leg;\n            }\n        }\n    }"
}