Migrations.json
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"source": "// SPDX-License-Identifier: MIT\npragma solidity >=0.4.22 <0.9.0;\n\ncontract Migrations {\n address public owner = msg.sender;\n uint public last_completed_migration;\n\n modifier restricted() {\n require(\n msg.sender == owner,\n \"This function is restricted to the contract's owner\"\n );\n _;\n }\n\n function setCompleted(uint completed) public restricted {\n last_completed_migration = completed;\n }\n}\n",
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