{ "contractName": "Migrations", "abi": [ { "constant": true, "inputs": [], "name": "last_completed_migration", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "constant": false, "inputs": [ { "name": "completed", "type": "uint256" } ], "name": "setCompleted", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "new_address", "type": "address" } ], "name": "upgrade", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": 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\"canonical-weth/contracts/WETH9.sol\";\nimport \"openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol\";\n\ncontract Migrations {\n address public owner;\n uint public last_completed_migration;\n\n modifier restricted() {\n if (msg.sender == owner) _;\n }\n\n constructor() public {\n owner = msg.sender;\n }\n\n function setCompleted(uint completed) public restricted {\n last_completed_migration = completed;\n }\n\n function upgrade(address new_address) public restricted {\n Migrations upgraded = Migrations(new_address);\n upgraded.setCompleted(last_completed_migration);\n }\n}\n", "sourcePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Migrations.sol", "ast": { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Migrations.sol", "exportedSymbols": { "Migrations": [ 3681 ] }, "id": 3682, "nodeType": "SourceUnit", "nodes": [ { "id": 3624, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:13" }, { 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"typeString": "address" }, "typeName": { "id": 3627, "name": "address", "nodeType": "ElementaryTypeName", "src": "168:7:13", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 3630, "name": "last_completed_migration", "nodeType": "VariableDeclaration", "scope": 3681, "src": "194:36:13", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3629, "name": "uint", "nodeType": "ElementaryTypeName", "src": "194:4:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "public" }, { "body": { "id": 3638, "nodeType": "Block", "src": "259:43:13", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 3635, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 3632, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7920, "src": "273:3:13", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 3633, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "273:10:13", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 3634, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3628, "src": "287:5:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "273:19:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 3637, "nodeType": "IfStatement", "src": "269:26:13", "trueBody": { "id": 3636, "nodeType": "PlaceholderStatement", "src": "294:1:13" } } ] }, "documentation": null, "id": 3639, "name": "restricted", "nodeType": "ModifierDefinition", "parameters": { "id": 3631, "nodeType": "ParameterList", "parameters": [], "src": "256:2:13" }, "src": "237:65:13", "visibility": "internal" }, { "body": { "id": 3647, "nodeType": "Block", "src": "329:35:13", "statements": [ { "expression": { "argumentTypes": null, "id": 3645, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 3642, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3628, "src": "339:5:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 3643, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7920, "src": "347:3:13", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 3644, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "347:10:13", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "339:18:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 3646, "nodeType": "ExpressionStatement", "src": "339:18:13" } ] }, "documentation": null, "id": 3648, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 3640, "nodeType": "ParameterList", "parameters": [], "src": 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{ "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3649, "name": "uint", "nodeType": "ElementaryTypeName", "src": "392:4:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "391:16:13" }, "returnParameters": { "id": 3654, "nodeType": "ParameterList", "parameters": [], "src": "426:0:13" }, "scope": 3681, "src": "370:109:13", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 3679, "nodeType": "Block", "src": "541:119:13", "statements": [ { "assignments": [ 3668 ], "declarations": [ { "constant": false, "id": 3668, "name": "upgraded", "nodeType": "VariableDeclaration", "scope": 3679, "src": "551:19:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Migrations_$3681", "typeString": "contract Migrations" }, "typeName": { "contractScope": null, "id": 3667, "name": "Migrations", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3681, "src": "551:10:13", "typeDescriptions": { "typeIdentifier": "t_contract$_Migrations_$3681", "typeString": "contract Migrations" } }, "value": null, "visibility": "internal" } ], "id": 3672, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3670, "name": "new_address", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3662, "src": "584:11:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 3669, "name": "Migrations", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3681, "src": "573:10:13", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_Migrations_$3681_$", "typeString": "type(contract Migrations)" } }, "id": 3671, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "573:23:13", "typeDescriptions": { "typeIdentifier": "t_contract$_Migrations_$3681", "typeString": "contract Migrations" } }, "nodeType": "VariableDeclarationStatement", "src": "551:45:13" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3676, "name": "last_completed_migration", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3630, "src": "628:24:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 3673, "name": "upgraded", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3668, "src": "606:8:13", "typeDescriptions": { "typeIdentifier": "t_contract$_Migrations_$3681", "typeString": "contract Migrations" } }, "id": 3675, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "setCompleted", "nodeType": "MemberAccess", "referencedDeclaration": 3660, "src": "606:21:13", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint256_$returns$__$", "typeString": "function (uint256) external" } }, "id": 3677, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "606:47:13", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3678, "nodeType": "ExpressionStatement", "src": "606:47:13" } ] }, "documentation": null, "id": 3680, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 3665, "modifierName": { "argumentTypes": null, "id": 3664, "name": "restricted", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3639, "src": "530:10:13", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "530:10:13" } ], "name": "upgrade", "nodeType": "FunctionDefinition", "parameters": { "id": 3663, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3662, "name": "new_address", "nodeType": "VariableDeclaration", "scope": 3680, "src": "502:19:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3661, "name": "address", "nodeType": "ElementaryTypeName", "src": "502:7:13", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "501:21:13" }, "returnParameters": { "id": 3666, "nodeType": "ParameterList", "parameters": [], "src": "541:0:13" }, "scope": 3681, "src": "485:175:13", "stateMutability": "nonpayable", 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