Multiformats Murmur3 implementations

About

MultihashHasherss are exported from this library, they produce MultihashDigests. Details about these can be found in the multiformats multihash interface definitions.

import * as Block from 'multiformats/block'
import * as codec from '@ipld/dag-cbor'
import { murmur3128 as hasher } from '@multiformats/murmur3'

async function run () {
  const value = { hello: 'world' }
  const block = await Block.encode({ value, hasher, codec })
  console.log(block.cid)
  // -> CID(bafyseebn7ksk6khsn4an2lzmae6wm4qk)
}

run().catch(console.error)

Usage

The @multiformats/murmur3 package exports murmur332 and murmur3128 MultihashHashers. The Multicodecs table defines these multihashes.

The murmur3-32, multicodec code 0x23, may be imported as:

import { murmur332 } from '@multiformats/murmur3'

The murmur3-128, multicodec code 0x22, may be imported as:

import { murmur3128 } from '@multiformats/murmur3'

The murmur3-x64-64 (which is first 64-bits of murmur3-128 used in UnixFS directory sharding), multicodec code 0x22, may be imported as:

import { murmur364 } from '@multiformats/murmur3'

Install

$ npm i @multiformats/murmur3

Browser <script> tag

Loading this module through a script tag will make its exports available as MultiformatsMurmur3 in the global namespace.

<script src="https://unpkg.com/@multiformats/murmur3/dist/index.min.js"></script>

API Docs

• https://multiformats.github.io/js-murmur3

License

Licensed under either of

• Apache 2.0, (LICENSE-APACHE / http://www.apache.org/licenses/LICENSE-2.0)
• MIT (LICENSE-MIT / http://opensource.org/licenses/MIT)

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.