{ "contractName": "Position", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Positions store additional state for tracking fees owed to the position\",\"kind\":\"dev\",\"methods\":{},\"title\":\"Position\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"notice\":\"Positions represent an owner address' liquidity between a lower and upper tick boundary\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/Position.sol\":\"Position\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/FixedPoint128.sol\":{\"keccak256\":\"0x2d1f4f73ae0d8f0a210b8d30084659b57c56ac8f2f96011fca36f00a6d417178\",\"license\":\"GPL-2.0-or-later\",\"urls\":[\"bzz-raw://2ba88933f16cd2df398e19c6ad227268f83c03081b70d243c97116d2ed9bc241\",\"dweb:/ipfs/QmTUGxdh8snzEM9VrTSS47StCg9VVWvvLJtJeNnMTFY4xb\"]},\"/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/FullMath.sol\":{\"keccak256\":\"0xe511530871deaef86692cea9adb6076d26d7b47fd4815ce51af52af981026057\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://bc5a6ae776be3e7dcbd23d49ffbc9d792fed0ddf4b111ebb64b9bb2133ec263e\",\"dweb:/ipfs/QmbAUtWqvipzEARQpFpkzYKBELy3qeW5WXnZxHFU84sxG7\"]},\"/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/LiquidityMath.sol\":{\"keccak256\":\"0x2fcb84bece328675849d09dee9439901fd14c852efa2cb84a7dd1ada04a90a1e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ce303eb639ca62f247a8a49a65f15b25b931fbd64b176c2180a6ea790f99bb11\",\"dweb:/ipfs/QmXehfxvPATibRJ2JWWBnLbDyA7hMk5jWCxidpJfDKGQVD\"]},\"/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/Position.sol\":{\"keccak256\":\"0x7fb1a35fcc8b2104f1899d98cd1ce49b5e3af1bdad9da28a5bcda1d4081465e9\",\"license\":\"BUSL-1.1\",\"urls\":[\"bzz-raw://28f43918f6528913abe8586ea4607281b97cdce35f869ae86369487c6ee6eb6c\",\"dweb:/ipfs/QmTgTRMZ5FQT2MCkgUmuhGbt39uyoiVwgXWNJbzoZqiC4f\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220e4facc33b5bc1067e6aaf0115beefac4a186beffa3d0877e757cce5f9b050ae564736f6c63430007060033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220e4facc33b5bc1067e6aaf0115beefac4a186beffa3d0877e757cce5f9b050ae564736f6c63430007060033", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "350:3224:24:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "350:3224:24:-:0;;;;;;;;", "source": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\nimport './FullMath.sol';\nimport './FixedPoint128.sol';\nimport './LiquidityMath.sol';\n\n/// @title Position\n/// @notice Positions represent an owner address' liquidity between a lower and upper tick boundary\n/// @dev Positions store additional state for tracking fees owed to the position\nlibrary Position {\n // info stored for each user's position\n struct Info {\n // the amount of liquidity owned by this position\n uint128 liquidity;\n // fee growth per unit of liquidity as of the last update to liquidity or fees owed\n uint256 feeGrowthInside0LastX128;\n uint256 feeGrowthInside1LastX128;\n // the fees owed to the position owner in token0/token1\n uint128 tokensOwed0;\n uint128 tokensOwed1;\n }\n\n /// @notice Returns the Info struct of a position, given an owner and position boundaries\n /// @param self The mapping containing all user positions\n /// @param owner The address of the position owner\n /// @param tickLower The lower tick boundary of the position\n /// @param tickUpper The upper tick boundary of the position\n /// @return position The position info struct of the given owners' position\n function get(\n mapping(bytes32 => Info) storage self,\n address owner,\n int24 tickLower,\n int24 tickUpper\n ) internal view returns (Position.Info storage position) {\n position = self[keccak256(abi.encodePacked(owner, tickLower, tickUpper))];\n }\n\n /// @notice Credits accumulated fees to a user's position\n /// @param self The individual position to update\n /// @param liquidityDelta The change in pool liquidity as a result of the position update\n /// @param feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries\n /// @param feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries\n function update(\n Info storage self,\n int128 liquidityDelta,\n uint256 feeGrowthInside0X128,\n uint256 feeGrowthInside1X128\n ) internal {\n Info memory _self = self;\n\n uint128 liquidityNext;\n if (liquidityDelta == 0) {\n require(_self.liquidity > 0, 'NP'); // disallow pokes for 0 liquidity positions\n liquidityNext = _self.liquidity;\n } else {\n liquidityNext = LiquidityMath.addDelta(_self.liquidity, liquidityDelta);\n }\n\n // calculate accumulated fees\n uint128 tokensOwed0 =\n uint128(\n FullMath.mulDiv(\n feeGrowthInside0X128 - _self.feeGrowthInside0LastX128,\n _self.liquidity,\n FixedPoint128.Q128\n )\n );\n uint128 tokensOwed1 =\n uint128(\n FullMath.mulDiv(\n feeGrowthInside1X128 - _self.feeGrowthInside1LastX128,\n _self.liquidity,\n FixedPoint128.Q128\n )\n );\n\n // update the position\n if (liquidityDelta != 0) self.liquidity = liquidityNext;\n self.feeGrowthInside0LastX128 = feeGrowthInside0X128;\n self.feeGrowthInside1LastX128 = feeGrowthInside1X128;\n if (tokensOwed0 > 0 || tokensOwed1 > 0) {\n // overflow is acceptable, have to withdraw before you hit type(uint128).max fees\n self.tokensOwed0 += tokensOwed0;\n self.tokensOwed1 += tokensOwed1;\n }\n }\n}\n", "sourcePath": "/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/Position.sol", "ast": { "absolutePath": "/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/Position.sol", "exportedSymbols": { "FixedPoint128": [ 3807 ], "FullMath": [ 3990 ], "LiquidityMath": [ 4042 ], "Position": [ 5080 ] }, "id": 5081, "license": "BUSL-1.1", "nodeType": "SourceUnit", "nodes": [ { "id": 4909, "literals": [ "solidity", ">=", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "37:24:24" }, { "absolutePath": "/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/FullMath.sol", "file": "./FullMath.sol", "id": 4910, "nodeType": "ImportDirective", "scope": 5081, "sourceUnit": 3991, "src": "63:24:24", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/FixedPoint128.sol", "file": "./FixedPoint128.sol", "id": 4911, "nodeType": "ImportDirective", "scope": 5081, "sourceUnit": 3808, "src": "88:29:24", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/warrenmason/Documents/UniswapV3Contracts/Core/LiveContracts/MoonwalkerSwap-v1-Core/contracts/libraries/LiquidityMath.sol", "file": "./LiquidityMath.sol", "id": 4912, "nodeType": "ImportDirective", "scope": 5081, "sourceUnit": 4043, "src": "118:29:24", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 4913, "nodeType": "StructuredDocumentation", "src": "149:201:24", "text": "@title Position\n @notice Positions represent an owner address' liquidity between a lower and upper tick boundary\n @dev Positions store additional state for tracking fees owed to the position" }, "fullyImplemented": true, "id": 5080, "linearizedBaseContracts": [ 5080 ], "name": "Position", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "Position.Info", "id": 4924, "members": [ { "constant": false, "id": 4915, "mutability": "mutable", "name": "liquidity", "nodeType": "VariableDeclaration", "scope": 4924, "src": "497:17:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 4914, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "497:7:24", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "visibility": "internal" }, { "constant": false, "id": 4917, "mutability": "mutable", "name": "feeGrowthInside0LastX128", "nodeType": "VariableDeclaration", "scope": 4924, "src": "616:32:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4916, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "616:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 4919, "mutability": "mutable", "name": "feeGrowthInside1LastX128", "nodeType": "VariableDeclaration", "scope": 4924, "src": "658:32:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4918, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "658:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 4921, "mutability": "mutable", "name": "tokensOwed0", "nodeType": "VariableDeclaration", "scope": 4924, "src": "764:19:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 4920, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "764:7:24", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "visibility": "internal" }, { "constant": false, "id": 4923, "mutability": "mutable", "name": "tokensOwed1", "nodeType": "VariableDeclaration", "scope": 4924, "src": "793:19:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 4922, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "793:7:24", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "visibility": "internal" } ], "name": "Info", "nodeType": "StructDefinition", "scope": 5080, "src": "417:402:24", "visibility": "public" }, { "body": { "id": 4953, "nodeType": "Block", "src": "1440:90:24", "statements": [ { "expression": { "id": 4951, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 4940, "name": "position", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4938, "src": "1450:8:24", "typeDescriptions": { "typeIdentifier": "t_struct$_Info_$4924_storage_ptr", "typeString": "struct Position.Info storage pointer" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "baseExpression": { "id": 4941, "name": "self", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4929, "src": "1461:4:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_struct$_Info_$4924_storage_$", "typeString": "mapping(bytes32 => struct Position.Info storage ref)" } }, "id": 4950, "indexExpression": { "arguments": [ { "arguments": [ { "id": 4945, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4931, "src": "1493:5:24", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 4946, "name": "tickLower", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4933, "src": "1500:9:24", "typeDescriptions": { "typeIdentifier": "t_int24", "typeString": "int24" } }, { "id": 4947, "name": "tickUpper", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4935, "src": "1511:9:24", "typeDescriptions": { "typeIdentifier": "t_int24", "typeString": "int24" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_int24", "typeString": "int24" }, { "typeIdentifier": "t_int24", "typeString": "int24" } ], "expression": { "id": 4943, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "1476:3:24", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 4944, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "1476:16:24", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 4948, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1476:45:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 4942, "name": "keccak256", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967288, "src": "1466:9:24", "typeDescriptions": { "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$", "typeString": "function (bytes memory) pure returns (bytes32)" } }, "id": 4949, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1466:56:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1461:62:24", "typeDescriptions": { "typeIdentifier": "t_struct$_Info_$4924_storage", "typeString": "struct Position.Info storage ref" } }, "src": "1450:73:24", "typeDescriptions": { "typeIdentifier": "t_struct$_Info_$4924_storage_ptr", "typeString": "struct Position.Info storage pointer" } }, "id": 4952, "nodeType": "ExpressionStatement", "src": "1450:73:24" } ] }, "documentation": { "id": 4925, "nodeType": "StructuredDocumentation", "src": "825:416:24", "text": "@notice Returns the Info struct of a position, given an owner and position boundaries\n @param self The mapping containing all user positions\n @param owner The address of the position owner\n @param tickLower The lower tick boundary of the position\n @param tickUpper The upper tick boundary of the position\n @return position The position info struct of the given owners' position" }, "id": 4954, "implemented": true, "kind": "function", "modifiers": [], "name": "get", "nodeType": "FunctionDefinition", "parameters": { "id": 4936, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4929, "mutability": "mutable", "name": "self", "nodeType": "VariableDeclaration", "scope": 4954, "src": "1268:37:24", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_struct$_Info_$4924_storage_$", "typeString": "mapping(bytes32 => struct Position.Info)" }, "typeName": { "id": 4928, "keyType": { "id": 4926, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1276:7:24", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "1268:24:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_struct$_Info_$4924_storage_$", "typeString": "mapping(bytes32 => struct Position.Info)" }, "valueType": { "id": 4927, "name": "Info", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4924, "src": "1287:4:24", "typeDescriptions": { "typeIdentifier": "t_struct$_Info_$4924_storage_ptr", "typeString": "struct Position.Info" } } }, "visibility": "internal" }, { "constant": false, "id": 4931, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 4954, "src": "1315:13:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4930, "name": "address", "nodeType": "ElementaryTypeName", "src": "1315:7:24", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 4933, "mutability": "mutable", "name": "tickLower", "nodeType": "VariableDeclaration", "scope": 4954, "src": "1338:15:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int24", "typeString": "int24" }, "typeName": { "id": 4932, "name": "int24", "nodeType": "ElementaryTypeName", "src": "1338:5:24", "typeDescriptions": { "typeIdentifier": "t_int24", "typeString": "int24" } }, "visibility": "internal" }, { "constant": false, "id": 4935, "mutability": "mutable", "name": "tickUpper", "nodeType": "VariableDeclaration", "scope": 4954, "src": "1363:15:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int24", "typeString": "int24" }, "typeName": { "id": 4934, "name": "int24", "nodeType": "ElementaryTypeName", "src": "1363:5:24", "typeDescriptions": { "typeIdentifier": "t_int24", "typeString": "int24" } }, "visibility": "internal" } ], "src": "1258:126:24" }, "returnParameters": { "id": 4939, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4938, "mutability": "mutable", "name": "position", "nodeType": "VariableDeclaration", "scope": 4954, "src": "1408:30:24", "stateVariable": false, 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