{ "contractName": "UintIteratorStorage", "abi": [], "bytecode": "0x6080604052348015600f57600080fd5b50603580601d6000396000f3006080604052600080fd00a165627a7a72305820eacea536ea2fd01d223a358d6f7fca81080a242400ed4aaa73bc2591360218750029", "deployedBytecode": "0x6080604052600080fd00a165627a7a72305820eacea536ea2fd01d223a358d6f7fca81080a242400ed4aaa73bc2591360218750029", "sourceMap": "133:2115:80:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;133:2115:80;;;;;;;", "deployedSourceMap": "133:2115:80:-;;;;;", "source": "pragma solidity ^0.4.19;\n\nimport \"../lib/DoublyLinkedList.sol\";\n\n/**\n @title Uint Iterator Storage\n @author DigixGlobal Pte Ltd\n*/\ncontract UintIteratorStorage {\n\n using DoublyLinkedList for DoublyLinkedList.Uint;\n\n /**\n @notice Returns the first item from a `DoublyLinkedList.Uint` list\n @param _list The DoublyLinkedList.Uint list\n @return {\"_item\": \"The first item\"}\n */\n function read_first_from_uints(DoublyLinkedList.Uint storage _list)\n internal\n constant\n returns (uint256 _item)\n {\n _item = _list.start_item();\n }\n\n /**\n @notice Returns the last item from a `DoublyLinkedList.Uint` list\n @param _list The DoublyLinkedList.Uint list\n @return {\"_item\": \"The last item\"}\n */\n function read_last_from_uints(DoublyLinkedList.Uint storage _list)\n internal\n constant\n returns (uint256 _item)\n {\n _item = _list.end_item();\n }\n\n /**\n @notice Returns the next item from a `DoublyLinkedList.Uint` list based on the specified `_current_item`\n @param _list The DoublyLinkedList.Uint list\n @param _current_item The current item\n @return {\"_item\": \"The next item\"}\n */\n function read_next_from_uints(DoublyLinkedList.Uint storage _list, uint256 _current_item)\n internal\n constant\n returns (uint256 _item)\n {\n _item = _list.next_item(_current_item);\n }\n\n /**\n @notice Returns the previous item from a `DoublyLinkedList.Uint` list based on the specified `_current_item`\n @param _list The DoublyLinkedList.Uint list\n @param _current_item The current item\n @return {\"_item\": \"The previous item\"}\n */\n function read_previous_from_uints(DoublyLinkedList.Uint storage _list, uint256 _current_item)\n internal\n constant\n returns (uint256 _item)\n {\n _item = _list.previous_item(_current_item);\n }\n\n /**\n @notice Returns the total count of itemsfrom a `DoublyLinkedList.Uint` list\n @param _list The DoublyLinkedList.Uint list\n @return {\"_count\": \"The total count of items\"}\n */\n function read_total_uints(DoublyLinkedList.Uint storage _list)\n internal\n constant\n returns (uint256 _count)\n {\n _count = _list.total();\n }\n\n}\n", "sourcePath": "@digix/solidity-collections/contracts/abstract/UintIteratorStorage.sol", "ast": { "absolutePath": "@digix/solidity-collections/contracts/abstract/UintIteratorStorage.sol", "exportedSymbols": { "UintIteratorStorage": [ 22557 ] }, "id": 22558, "nodeType": "SourceUnit", "nodes": [ { "id": 22476, "literals": [ "solidity", "^", "0.4", ".19" ], "nodeType": "PragmaDirective", "src": "0:24:80" }, { "absolutePath": "@digix/solidity-collections/contracts/lib/DoublyLinkedList.sol", "file": "../lib/DoublyLinkedList.sol", "id": 22477, "nodeType": "ImportDirective", "scope": 22558, "sourceUnit": 25117, "src": "26:37:80", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Uint Iterator Storage\n@author DigixGlobal Pte Ltd", "fullyImplemented": true, "id": 22557, "linearizedBaseContracts": [ 22557 ], "name": "UintIteratorStorage", "nodeType": "ContractDefinition", "nodes": [ { "id": 22480, "libraryName": { "contractScope": null, "id": 22478, "name": "DoublyLinkedList", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 25116, "src": "173:16:80", "typeDescriptions": { "typeIdentifier": "t_contract$_DoublyLinkedList_$25116", "typeString": "library DoublyLinkedList" } }, "nodeType": "UsingForDirective", "src": "167:49:80", "typeName": { "contractScope": null, "id": 22479, "name": "DoublyLinkedList.Uint", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22608, "src": "194:21:80", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" } } }, { "body": { "id": 22493, "nodeType": "Block", "src": "535:37:80", "statements": [ { "expression": { "argumentTypes": null, "id": 22491, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 22487, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22485, "src": "541:5:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 22488, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22482, "src": "549:5:80", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint storage pointer" } }, "id": 22489, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "start_item", "nodeType": "MemberAccess", "referencedDeclaration": 23416, "src": "549:16:80", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Uint_$22608_storage_ptr_$returns$_t_uint256_$bound_to$_t_struct$_Uint_$22608_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Uint storage pointer) view returns (uint256)" } }, "id": 22490, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:18:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "541:26:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 22492, "nodeType": "ExpressionStatement", "src": "541:26:80" } ] }, "documentation": "@notice Returns the first item from a `DoublyLinkedList.Uint` list\n@param _list The DoublyLinkedList.Uint list\n@return {\"_item\": \"The first item\"}", "id": 22494, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_first_from_uints", "nodeType": "FunctionDefinition", "parameters": { "id": 22483, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22482, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22494, "src": "421:35:80", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" }, "typeName": { "contractScope": null, "id": 22481, "name": "DoublyLinkedList.Uint", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22608, "src": "421:21:80", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" } }, "value": null, "visibility": "internal" } ], "src": "420:37:80" }, "payable": false, "returnParameters": { "id": 22486, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22485, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22494, "src": "518:13:80", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 22484, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "518:7:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "517:15:80" }, "scope": 22557, "src": "390:182:80", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 22507, "nodeType": "Block", "src": "888:35:80", "statements": [ { "expression": { "argumentTypes": null, "id": 22505, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 22501, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22499, "src": "894:5:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 22502, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22496, "src": "902:5:80", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint storage pointer" } }, "id": 22503, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "end_item", "nodeType": "MemberAccess", "referencedDeclaration": 23448, "src": "902:14:80", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Uint_$22608_storage_ptr_$returns$_t_uint256_$bound_to$_t_struct$_Uint_$22608_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Uint storage pointer) view returns (uint256)" } }, "id": 22504, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "902:16:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "894:24:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 22506, "nodeType": "ExpressionStatement", "src": "894:24:80" } ] }, "documentation": "@notice Returns the last item from a `DoublyLinkedList.Uint` list\n@param _list The DoublyLinkedList.Uint list\n@return {\"_item\": \"The last item\"}", "id": 22508, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_last_from_uints", "nodeType": "FunctionDefinition", "parameters": { "id": 22497, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22496, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22508, "src": "774:35:80", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" }, "typeName": { "contractScope": null, "id": 22495, "name": "DoublyLinkedList.Uint", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22608, "src": "774:21:80", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" } }, "value": null, "visibility": "internal" } ], "src": "773:37:80" }, "payable": false, "returnParameters": { "id": 22500, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22499, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22508, "src": "871:13:80", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 22498, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "871:7:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "870:15:80" }, "scope": 22557, "src": "744:179:80", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 22524, "nodeType": "Block", "src": "1343:49:80", "statements": [ { "expression": { "argumentTypes": null, "id": 22522, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 22517, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22515, "src": "1349:5:80", 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"MemberAccess", "referencedDeclaration": 23566, "src": "1357:15:80", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Uint_$22608_storage_ptr_$_t_uint256_$returns$_t_uint256_$bound_to$_t_struct$_Uint_$22608_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Uint storage pointer,uint256) view returns (uint256)" } }, "id": 22521, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1357:30:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1349:38:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 22523, "nodeType": "ExpressionStatement", "src": "1349:38:80" } ] }, "documentation": "@notice Returns the next item from a `DoublyLinkedList.Uint` list based on the specified `_current_item`\n@param _list The DoublyLinkedList.Uint list\n@param _current_item The current item\n@return {\"_item\": \"The next item\"}", "id": 22525, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_next_from_uints", "nodeType": "FunctionDefinition", "parameters": { "id": 22513, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22510, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22525, "src": "1206:35:80", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" }, "typeName": { "contractScope": null, "id": 22509, "name": "DoublyLinkedList.Uint", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22608, "src": "1206:21:80", "typeDescriptions": { "typeIdentifier": "t_struct$_Uint_$22608_storage_ptr", "typeString": "struct DoublyLinkedList.Uint" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22512, "name": "_current_item", "nodeType": "VariableDeclaration", "scope": 22525, "src": "1243:21:80", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 22511, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1243:7:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1205:60:80" }, "payable": false, "returnParameters": { "id": 22516, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22515, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22525, "src": "1326:13:80", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 22514, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1326:7:80", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, 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