Design Patterns MCP Server

{ "id": "eip4844-blob", "name": "EIP-4844 Blob Storage", "category": "Storage", "description": "Proto-danksharding blob transactions for L2 data availability. Temporary (~18 days) but ultra-cheap.", "when_to_use": "L2 rollup data, temporary data, cost-sensitive applications", "benefits": "10-100x cheaper than calldata, dedicated blob space", "drawbacks": "Temporary (~18 days), requires blob indexer, not accessible from EVM", "use_cases": "Optimistic/ZK rollups, data availability layers", "complexity": "High", "tags": [ "storage", "eip4844", "blobs", "layer2", "data-availability" ], "examples": { "solidity": { "language": "solidity", "code": "// Commit to blob hash (actual blobs in separate space)\nfunction commitBlobBatch(bytes32 blobHash, bytes calldata batchData) external {\n require(blobHash == keccak256(batchData));\n emit BatchCommitted(batchNum++, blobHash);\n // Blob data accessible via blob transactions, not EVM\n}" } } }