Design Patterns MCP Server

{ "id": "create2-deterministic", "name": "CREATE2 Deterministic Deployment", "category": "Smart Contract Factory", "description": "Deploy contracts to predictable addresses. Same address across chains, counterfactual instantiation.", "when_to_use": "Cross-chain same address, counterfactual contracts, predictable deployment", "benefits": "Address known before deployment, cross-chain consistency, counterfactual", "drawbacks": "Salt management, deployment complexity, address collision risk", "use_cases": "Multi-chain protocols, factory patterns, deterministic addresses", "complexity": "Medium", "tags": [ "factory", "create2", "deterministic", "cross-chain", "deployment" ], "examples": { "solidity": { "language": "solidity", "code": "contract Factory {\n function deploy(bytes32 salt, bytes memory bytecode) \n external returns (address) \n {\n address addr;\n assembly {\n addr := create2(0, add(bytecode, 0x20), mload(bytecode), salt)\n }\n require(addr != address(0), \"Deploy failed\");\n return addr;\n }\n \n function computeAddress(bytes32 salt, bytes memory bytecode) \n public view returns (address) \n {\n bytes32 hash = keccak256(abi.encodePacked(\n bytes1(0xff), address(this), salt, keccak256(bytecode)\n ));\n return address(uint160(uint256(hash)));\n }\n}" } } }