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from \"../contracts/SMT.sol\";\n\n\ncontract Migrations {\n address public owner;\n uint public last_completed_migration;\n\n constructor() public {\n owner = msg.sender;\n }\n\n modifier restricted() {\n if (msg.sender == owner) _;\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/wanseob/Projects/wilsonbeam/smt-rollup/contracts/Migrations.sol", "ast": { "absolutePath": "/home/wanseob/Projects/wilsonbeam/smt-rollup/contracts/Migrations.sol", "exportedSymbols": { "Migrations": [ 58 ] }, "id": 59, "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", ">=", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:25:0" }, { "absolutePath": "/home/wanseob/Projects/wilsonbeam/smt-rollup/contracts/SMT.sol", "file": 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