@hashtree/core

Core merkle tree library for content-addressed storage.

Install

npm install @hashtree/core

Usage

import { HashTree, MemoryStore, toHex } from '@hashtree/core';

const store = new MemoryStore();
const tree = new HashTree({ store });

// Store a file
const { cid } = await tree.putFile(new TextEncoder().encode('Hello'));
console.log(toHex(cid.hash));

// Read it back
const data = await tree.readFile(cid);

Features

• SHA256 content addressing
• Deterministic MessagePack encoding
• CHK encryption by default
• 2MB chunks (Blossom-compatible)
• Streaming reads/writes

Storage Backends

• MemoryStore - In-memory
• BlossomStore - Remote Blossom server
• FallbackStore - Chain multiple stores

See @hashtree/dexie for IndexedDB and @hashtree/nostr for WebRTC P2P.

License

MIT