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pointer" } }, "id": 27544, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "count", "nodeType": "MemberAccess", "referencedDeclaration": 27450, "src": "1831:11:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "1814:28:26" }, { "body": { "id": 27600, "nodeType": "Block", "src": "1894:326:26", "statements": [ { "assignments": [ 27557 ], "declarations": [ { "constant": false, "id": 27557, "mutability": "mutable", "name": "_ithBit", "nodeType": "VariableDeclaration", "scope": 27600, "src": "1908:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27556, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1908:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 27564, 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"2023:88:26", "statements": [ { "expression": { "id": 27583, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27575, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27539, "src": "2041:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "id": 27579, "name": "_next", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27566, "src": "2079:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "id": 27580, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27539, "src": "2086:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "expression": { "id": 27577, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -1, "src": "2062:3:26", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 27578, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "2062:16:26", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 27581, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2062:33:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 27576, "name": "keccak256", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -8, "src": "2052:9:26", "typeDescriptions": { "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$", "typeString": "function (bytes memory) pure returns (bytes32)" } }, "id": 27582, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2052:44:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "2041:55:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27584, "nodeType": "ExpressionStatement", "src": "2041:55:26" } ] } } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 27552, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27550, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27547, "src": "1873:1:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 27551, "name": "TREE_DEPTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27437, "src": "1877:10:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1873:14:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 27601, "initializationExpression": { "assignments": [ 27547 ], "declarations": [ { "constant": false, "id": 27547, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "scope": 27601, "src": "1858:9:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27546, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1858:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 27549, "initialValue": { "hexValue": "30", "id": 27548, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1870:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "1858:13:26" }, "loopExpression": { "expression": { "id": 27554, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "1889:3:26", "subExpression": { "id": 27553, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27547, "src": "1889:1:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27555, "nodeType": "ExpressionStatement", "src": "1889:3:26" }, "nodeType": "ForStatement", "src": "1853:367:26" } ] }, "documentation": { "id": 27530, "nodeType": "StructuredDocumentation", "src": "1453:200:26", "text": " @notice Calculates and returns`_tree`'s current root given array of zero\n hashes\n @param _zeroes Array of zero hashes\n @return _current Calculated root of `_tree`*" }, "implemented": true, "kind": "function", "modifiers": [], "name": "rootWithCtx", "parameters": { "id": 27537, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27532, "mutability": "mutable", "name": "_tree", "nodeType": "VariableDeclaration", "scope": 27603, "src": "1679:18:26", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": 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"nodeType": "ExpressionStatement", "src": "2756:16:26" }, { "expression": { "id": 27660, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27656, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "2782:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27658, "indexExpression": { "hexValue": "35", "id": 27657, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2790:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_5_by_1", "typeString": "int_const 5" }, "value": "5" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2782:10:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, 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27715, "nodeType": "ExpressionStatement", "src": "3024:18:26" }, { "expression": { "id": 27720, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27716, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3052:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27718, "indexExpression": { "hexValue": "3135", "id": 27717, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3060:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_15_by_1", "typeString": "int_const 15" }, "value": "15" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3052:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" 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27745, "nodeType": "ExpressionStatement", "src": "3164:18:26" }, { "expression": { "id": 27750, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27746, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3192:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27748, "indexExpression": { "hexValue": "3230", "id": 27747, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3200:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3192:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27749, "name": "Z_20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27954, "src": "3206:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3192:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27751, "nodeType": "ExpressionStatement", "src": "3192:18:26" }, { "expression": { "id": 27756, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27752, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3220:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27754, "indexExpression": { "hexValue": "3231", "id": 27753, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3228:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_21_by_1", "typeString": "int_const 21" }, "value": "21" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3220:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27755, "name": "Z_21", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27957, "src": "3234:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3220:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27757, "nodeType": "ExpressionStatement", "src": "3220:18:26" }, { "expression": { "id": 27762, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27758, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3248:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27760, "indexExpression": { "hexValue": "3232", "id": 27759, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3256:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_22_by_1", "typeString": "int_const 22" }, "value": "22" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3248:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27761, "name": "Z_22", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27960, "src": "3262:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3248:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27763, "nodeType": "ExpressionStatement", "src": "3248:18:26" }, { "expression": { "id": 27768, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27764, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3276:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27766, "indexExpression": { "hexValue": "3233", "id": 27765, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3284:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_23_by_1", "typeString": "int_const 23" }, "value": "23" }, 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"t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27772, "indexExpression": { "hexValue": "3234", "id": 27771, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3312:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_24_by_1", "typeString": "int_const 24" }, "value": "24" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3304:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27773, "name": "Z_24", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27966, "src": "3318:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3304:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27775, "nodeType": "ExpressionStatement", "src": "3304:18:26" }, { "expression": { "id": 27780, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27776, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3332:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27778, "indexExpression": { "hexValue": "3235", "id": 27777, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3340:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_25_by_1", "typeString": "int_const 25" }, "value": "25" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3332:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27779, "name": "Z_25", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27969, "src": "3346:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3332:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27781, "nodeType": "ExpressionStatement", "src": "3332:18:26" }, { "expression": { "id": 27786, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27782, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3360:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27784, "indexExpression": { "hexValue": "3236", "id": 27783, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3368:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_26_by_1", "typeString": "int_const 26" }, "value": "26" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3360:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27785, "name": "Z_26", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27972, "src": "3374:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3360:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27787, "nodeType": "ExpressionStatement", "src": "3360:18:26" }, { "expression": { "id": 27792, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27788, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3388:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27790, "indexExpression": { "hexValue": "3237", "id": 27789, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3396:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_27_by_1", "typeString": "int_const 27" }, "value": "27" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3388:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27791, "name": "Z_27", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27975, "src": "3402:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3388:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27793, "nodeType": "ExpressionStatement", "src": "3388:18:26" }, { "expression": { "id": 27798, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27794, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3416:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27796, "indexExpression": { "hexValue": "3238", "id": 27795, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3424:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_28_by_1", "typeString": "int_const 28" }, "value": "28" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3416:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27797, "name": "Z_28", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27978, "src": "3430:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3416:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27799, "nodeType": "ExpressionStatement", "src": "3416:18:26" }, { "expression": { "id": 27804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27800, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3444:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27802, "indexExpression": { "hexValue": "3239", "id": 27801, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3452:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_29_by_1", "typeString": "int_const 29" }, "value": "29" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3444:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27803, "name": "Z_29", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27981, "src": "3458:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3444:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27805, "nodeType": "ExpressionStatement", "src": "3444:18:26" }, { "expression": { "id": 27810, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27806, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3472:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27808, "indexExpression": { "hexValue": "3330", "id": 27807, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3480:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_30_by_1", "typeString": "int_const 30" }, "value": "30" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3472:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27809, "name": "Z_30", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27984, "src": "3486:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3472:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27811, "nodeType": "ExpressionStatement", "src": "3472:18:26" }, { "expression": { "id": 27816, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 27812, "name": "_zeroes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27624, "src": "3500:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27814, "indexExpression": { "hexValue": "3331", "id": 27813, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3508:2:26", "typeDescriptions": { "typeIdentifier": "t_rational_31_by_1", "typeString": "int_const 31" }, "value": "31" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3500:11:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27815, "name": "Z_31", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27987, "src": "3514:4:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "3500:18:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27817, "nodeType": "ExpressionStatement", "src": "3500:18:26" } ] }, "documentation": { "id": 27619, "nodeType": "StructuredDocumentation", "src": "2421:107:26", "text": "@notice Returns array of TREE_DEPTH zero hashes\n @return _zeroes Array of TREE_DEPTH zero hashes" }, "implemented": true, "kind": "function", "modifiers": [], "name": "zeroHashes", "parameters": { "id": 27620, "nodeType": "ParameterList", "parameters": [], "src": "2552:2:26" }, "returnParameters": { "id": 27625, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27624, "mutability": "mutable", "name": "_zeroes", "nodeType": "VariableDeclaration", "scope": 27819, "src": "2602:34:26", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32]" }, "typeName": { "baseType": { "id": 27621, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "2602:7:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27623, "length": { "id": 27622, "name": "TREE_DEPTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27437, "src": "2610:10:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "ArrayTypeName", "src": "2602:19:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_storage_ptr", "typeString": "bytes32[32]" } }, "visibility": "internal" } ], "src": "2601:36:26" }, "scope": 27988, "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "id": 27891, "nodeType": "FunctionDefinition", "src": "3852:558:26", "body": { "id": 27890, "nodeType": "Block", "src": "4010:400:26", "statements": [ { "expression": { "id": 27835, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27833, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27831, "src": "4020:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 27834, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27822, "src": "4031:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "4020:16:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27836, "nodeType": "ExpressionStatement", "src": "4020:16:26" }, { "body": { "id": 27888, "nodeType": "Block", "src": "4088:316:26", "statements": [ { "assignments": [ 27848 ], "declarations": [ { "constant": false, "id": 27848, "mutability": "mutable", "name": "_ithBit", "nodeType": "VariableDeclaration", "scope": 27888, "src": "4102:15:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27847, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4102:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 27855, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 27854, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 27851, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27849, "name": "_index", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27828, "src": "4121:6:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">>", "rightExpression": { "id": 27850, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27838, "src": "4131:1:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4121:11:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 27852, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "4120:13:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "&", "rightExpression": { "hexValue": "30783031", "id": 27853, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4136:4:26", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "0x01" }, "src": "4120:20:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "4102:38:26" }, { "assignments": [ 27857 ], "declarations": [ { "constant": false, "id": 27857, "mutability": "mutable", "name": "_next", "nodeType": "VariableDeclaration", "scope": 27888, "src": "4154:13:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 27856, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "4154:7:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" } ], "id": 27861, "initialValue": { "baseExpression": { "id": 27858, "name": "_branch", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27826, "src": "4170:7:26", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32] memory" } }, "id": 27860, "indexExpression": { "id": 27859, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27838, "src": "4178:1:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4170:10:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "VariableDeclarationStatement", "src": "4154:26:26" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 27864, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27862, "name": "_ithBit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27848, "src": "4198:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "31", "id": 27863, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4209:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "4198:12:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 27886, "nodeType": "Block", "src": "4306:88:26", "statements": [ { "expression": { "id": 27884, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27876, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27831, "src": "4324:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "id": 27880, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27831, "src": "4362:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "id": 27881, "name": "_next", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27857, "src": "4372:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "expression": { "id": 27878, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -1, "src": "4345:3:26", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 27879, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "4345:16:26", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 27882, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4345:33:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 27877, "name": "keccak256", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -8, "src": "4335:9:26", "typeDescriptions": { "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$", "typeString": "function (bytes memory) pure returns (bytes32)" } }, "id": 27883, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4335:44:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "4324:55:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27885, "nodeType": "ExpressionStatement", "src": "4324:55:26" } ] }, "id": 27887, "nodeType": "IfStatement", "src": "4194:200:26", "trueBody": { "id": 27875, "nodeType": "Block", "src": "4212:88:26", "statements": [ { "expression": { "id": 27873, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 27865, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27831, "src": "4230:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "id": 27869, "name": "_next", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27857, "src": "4268:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "id": 27870, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27831, "src": "4275:8:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "expression": { "id": 27867, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -1, "src": "4251:3:26", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 27868, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "4251:16:26", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 27871, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4251:33:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 27866, "name": "keccak256", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -8, "src": "4241:9:26", "typeDescriptions": { "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$", "typeString": "function (bytes memory) pure returns (bytes32)" } }, "id": 27872, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4241:44:26", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "4230:55:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27874, "nodeType": "ExpressionStatement", "src": "4230:55:26" } ] } } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 27843, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 27841, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27838, "src": "4067:1:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 27842, "name": "TREE_DEPTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27437, "src": "4071:10:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4067:14:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 27889, "initializationExpression": { "assignments": [ 27838 ], "declarations": [ { "constant": false, "id": 27838, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "scope": 27889, "src": "4052:9:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 27837, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4052:7:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 27840, "initialValue": { "hexValue": "30", "id": 27839, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4064:1:26", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "4052:13:26" }, "loopExpression": { "expression": { "id": 27845, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "4083:3:26", "subExpression": { "id": 27844, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 27838, "src": "4083:1:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 27846, "nodeType": "ExpressionStatement", "src": "4083:3:26" }, "nodeType": "ForStatement", "src": "4047:357:26" } ] }, "documentation": { "id": 27820, "nodeType": "StructuredDocumentation", "src": "3531:316:26", "text": " @notice Calculates and returns the merkle root for the given leaf\n `_item`, a merkle branch, and the index of `_item` in the tree.\n @param _item Merkle leaf\n @param _branch Merkle proof\n @param _index Index of `_item` in tree\n @return _current Calculated merkle root*" }, "implemented": true, "kind": "function", "modifiers": [], "name": "branchRoot", "parameters": { "id": 27829, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 27822, "mutability": "mutable", "name": "_item", "nodeType": "VariableDeclaration", "scope": 27891, "src": "3881:13:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 27821, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "3881:7:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 27826, "mutability": "mutable", "name": "_branch", "nodeType": "VariableDeclaration", "scope": 27891, "src": "3904:34:26", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes32_$32_memory_ptr", "typeString": "bytes32[32]" }, "typeName": { "baseType": { "id": 27823, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "3904:7:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 27825, "length": { "id": 27824, "name": "TREE_DEPTH", 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