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@web4/replicator

v1.0.1

Published

Replicates data structures easily using bitswarm

Downloads

4

Readme

@web4/replicator

Replicate data structures easily using bitswarm

Install

npm install @web4/replicator

Usage

You data structure has to support a .replicate() stream, then you can replicate them using the bitswarm replicator.

const Replicator = require('@web4/replicator')

const r = new Replicator()

r.add(aUnichain, {
  live: true // passed to .replicate
})

API

r = new Replicator([options])

Make a new replicator. Options include:

{
  bootstrap: [...], // optional set the DHT bootstrap servers
}

promise = r.add(bitDataStructure, [options])

Add a bit* data structure to replicate.

{
  live: bool, // passed to .replicate
  upload: bool, // passed to .replicate
  download: bool, // passed to .replicate
  encrypt: bool, // passed to .replicate
  discoveryKey: <buf>, // optionally set your own discovery key
  announce: true, // should the swarm announce you?
  lookup: true, // should the swarm do lookups for you?
  keyPair: { publicKey, secretKey }, // noise keypair used for the connection
  onauthenticate (remotePublicKey, done) // the onauthenticate hook to verify remote key pairs
}

Promise resolves when the data structure has been fully added.

promise = r.remove(bitDataStructure)

Remove a data structure from replication. Promise resolves when the data structure has been fully removed.

r.swarm

The associated bitswarm instance.

r.on('discovery-key', (discoveryKey, remoteStream) => ...)

Emitted when a remote asks for a discovery key of a data structure you are not currently replicating.

r = Replicator.replicate(bitDataStructure[s])

Easy "one off" replication of one or more data structures.

License

MIT