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@orbitdb/core

2.0.1-64e36df.0
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  • License MIT

Distributed p2p database on IPFS

Package Exports

  • @orbitdb/core
  • @orbitdb/core/src/index.js

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Readme

OrbitDB

Matrix npm (scoped) node-current (scoped)

OrbitDB is a serverless, distributed, peer-to-peer database. OrbitDB uses IPFS as its data storage and Libp2p Pubsub to automatically sync databases with peers. It's an eventually consistent database that uses Merkle-CRDTs for conflict-free database writes and merges making OrbitDB an excellent choice for p2p and decentralized apps, blockchain applications and local-first web applications.

OrbitDB provides various types of databases for different data models and use cases:

  • events: an immutable (append-only) log with traversable history. Useful for "latest N" use cases or as a message queue.
  • documents: a document database to which JSON documents can be stored and indexed by a specified key. Useful for building search indices or version controlling documents and data.
  • keyvalue: a key-value database just like your favourite key-value database.
  • keyvalue-indexed: key-value data indexed in a Level key-value database.

All databases are implemented on top of OrbitDB's OpLog, an immutable, cryptographically verifiable, operation-based conflict-free replicated data structure (CRDT) for distributed systems. OpLog is formalized in the paper Merkle-CRDTs. You can also easily extend OrbitDB by implementing and using a custom data model benefitting from the same properties as the default data models provided by the underlying Merkle-CRDTs.

This is the Javascript implementation and it works both in Browsers and Node.js with support for Linux, OS X, and Windows.

A Go implementation is developed and maintained by the Berty project at berty/go-orbit-db.

Installation

Install OrbitDB and its dependencies:

npm install @orbitdb/core helia

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