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"source": "pragma solidity ^0.8.0;\n\n// SPDX-License-Identifier:MIT\n\ncontract Migrations {\n address public owner;\n // solhint-disable-next-line var-name-mixedcase\n uint256 public last_completed_migration;\n\n constructor() {\n owner = msg.sender;\n }\n\n modifier restricted() {\n if (msg.sender == owner) _;\n }\n\n function setCompleted(uint256 completed) public restricted {\n last_completed_migration = completed;\n }\n\n function upgrade(address newAddress) public restricted {\n Migrations upgraded = Migrations(newAddress);\n upgraded.setCompleted(last_completed_migration);\n }\n}", "sourcePath": "/Users/alexf/gsn2/packages/contracts/solpp/Migrations.sol", "ast": { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/Migrations.sol", "exportedSymbols": { "Migrations": [ 558 ] }, "id": 559, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 502, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:2" }, { "abstract": false, 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