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"source": "pragma solidity ^0.4.24;\n\nimport '../Initializable.sol';\n\n// Sample contracts showing upgradeability with multiple inheritance.\n// Child contract inherits from Father and Mother contracts, and Father extends from Gramps.\n// \n// Human\n// / \\\n// | Gramps\n// | |\n// Mother Father\n// | |\n// -- Child --\n\n/**\n * Sample base intializable contract that is a human\n */\ncontract SampleHuman is Initializable {\n bool public isHuman;\n\n function initialize() initializer public {\n isHuman = true;\n }\n}\n\n/**\n * Sample base intializable contract that defines a field mother\n */\ncontract SampleMother is Initializable, SampleHuman {\n uint256 public mother;\n\n function initialize(uint256 value) initializer public {\n SampleHuman.initialize();\n mother = value;\n }\n}\n\n/**\n * Sample base intializable contract that defines a field gramps\n */\ncontract SampleGramps is Initializable, SampleHuman {\n uint256 public gramps;\n\n function initialize(uint256 value) initializer public {\n SampleHuman.initialize();\n gramps = value;\n }\n}\n\n/**\n * Sample base intializable contract that defines a field father and extends from gramps\n */\ncontract SampleFather is Initializable, SampleGramps {\n uint256 public father;\n\n function initialize(uint256 _gramps, uint256 _father) initializer public {\n SampleGramps.initialize(_gramps);\n father = _father;\n }\n}\n\n/**\n * Child extends from mother, father (gramps)\n */\ncontract SampleChild is Initializable, SampleMother, SampleFather {\n uint256 public child;\n\n function initialize(uint256 _mother, uint256 _gramps, uint256 _father, uint256 _child) initializer public {\n SampleMother.initialize(_mother);\n SampleFather.initialize(_gramps, _father);\n child = _child;\n }\n}\n", "sourcePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/mocks/MultipleInheritanceInitializableMocks.sol", "ast": { "absolutePath": 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