Update dependency orbit-db to ^0.26.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
orbit-db	dependencies	minor	^0.21.4 -> ^0.26.0

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Release Notes

orbitdb/orbit-db

v0.26.0

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Support for js-ipfs 0.50.2 and go-ipfs 0.6.0

v0.25.3

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v0.25.2

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v0.25.1

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Includes

• #​763
• #​796

v0.25.0

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v0.24.2

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v0.24.1

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JS-IPFS 0.44 Support

Until now the newest versions of js-ipfs were not supported. This was primarly because of js-ipfs api's move to async iteration starting in version 0.41. Now js-ipfs versions 0.41-0.44 are supported.

Relevant PRs:

• orbitdb/orbit-db-store#​86
• #​782

Store Operation Queue

All included stores (and any store extending orbit-db-store v3.3.0+) now queues operations. Any update sent to a store is executed sequentially and the store's close method now awaits for the queue to empty.

Relevant PRs:

• orbitdb/orbit-db-store#​85
• orbitdb/orbit-db-store#​91

Docstore putAll Operation

A new method was added to the docstore named 'putAll'. This method allows for multiple keys to be set in the docstore in one oplog entry. This comes with some significant performance benefits. Something to note is any nodes running an older version of the docstore will ignore any changes made by putAll operations.

Relevant PRs:

• orbitdb/orbit-db-docstore#​36

Oplog Events

It is now possible to listen for specific store operations as they are added to the store. To learn more about how to use this you can review the documentation and look at event log.op.${operation}.

Relevant PRs:

• orbitdb/orbit-db-store#​87

orbit-db tests

Tests now use orbit-db-test-utils package to deduplicate test utilities. It had already been used in most subpackages like orbit-db-store but now it's used in the orbit-db repo!

Relevant PRs:

• orbitdb/orbit-db-test-utils#​11
• #​794

orbit-db-store sync method

A method on orbit-db-store named sync is now an async method and only resolves after oplog heads have been added.

Relevant PRs:

• orbitdb/orbit-db-store#​38
• orbitdb/orbit-db-store#​84

Electron Renderer FS Shim

Fixes a bug related to the native filesystem when used in electron.

Relevant PRs:

• #​783
• #​795

Re-exports

Now import AccessControllers, Identities, and/or Keystore modules from OrbitDB with object destructuring like so:

const { AccessControllers, Identities, Keystore } = require('orbit-db')

Relevant PRs:

• #​785

v0.24.0

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v0.23.1

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v0.23.0

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Performance Improvements

Performance improvements have been made to both writing and loading.

Our benchmarks show an increase of 2-3x loading and writing speeds! 🎉

  v0.22.0
  Starting IPFS...
  DB entries: 1000
  Writing DB...
  writing took 3586 ms
  Loading DB...
  load took 1777 ms

  v0.23.0
  Starting IPFS...
  DB entries: 1000
  Writing DB...
  writing took 1434 ms
  Loading DB...
  load took 802 ms

  // Writing improved: ~2.5x
  // Loading improved: ~2.2x

The speed-up between the versions is more pronounced as the size of the database increases:

  v0.22.0
  Starting IPFS...
  DB entries: 10000
  Writing DB...
  writing took 31292 ms
  Loading DB...
  load took 26812 ms

  v0.23.0
  Starting IPFS...
  DB entries: 10000
  Writing DB...
  writing took 10383 ms
  Loading DB...
  load took 5542 ms

  // Writing improved: ~3x
  // Loading improved: ~4.8x

To try out the benchmarks for yourself run node benchmarks/benchmark-load.js

Entry references

Each entry added now contains references to previous entries in powers of 2 distance apart up to a maximum distance of referenceCount (default 32) from it, speeding up both writing and loading and resulting in smaller entry sizes. #​275

Signature Caching

The default keystore and identity-provider now have caches added to speed up verification of entry signtures and identities. See #​53 and #​38

Offline mode

An optional offline flag has bee added which, when set to true, prevents pubsub from starting and messages from being exchanged. This is useful to speed up testing and for when you would like to use your database locally without networking enabled.
To use offline mode, start your IPFS nodes offline (with new IPFS({ start: false })) and create your OrbitDB instance as follows:

const orbitdb = await OrbitDB.createInstance(ipfs, { offline: true, id: 'mylocalid' })

Note that an id will need to be passed if your IPFS node is offline. If you would like to start replicating databases after starting OrbitDB in offline mode, the OrbitDB instance needs to be re-created. See #​726

Pinning and Garbage Collection

OrbitDB does not automatically pin content added to IPFS. This means that if garbage collection is triggered, any unpinned content will be erased. An optional pin flag has been added which, when set to true, will pin the content to IPFS and can be set as follows:

await db.put('name', 'hello', { pin: true })

Note that this is currently experimental and will degrade performance. For more info see this issue.

It is recommended that you collect the hashes of the entries and pin them outside of the db.put/add calls before triggering garbage collection.

v0.22.1

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• Thanks to #​712 from @​kolessios, as well as the efforts of @​BartKnucle and @​durac ❤️, OrbitDB now works on Windows 🎉 We invite our Windows friends to try it out!
• Several submodules are now exposed in the OrbitDB class (#​717, thanks @​hazae41)

v0.22.0

Up to 10x Performance Increase in Appends 🎉

• sortFn now at the top level
• orbit-db-storage-adapter now provides cache and keystore interop for mongo, redis, and any abstract-leveldown

(semi-)Breaking Changes

To improve performance, this release changes the way caches are managed.

Cache Directory Locations

Your cache directory structure will change. There is a migration script that will run upon creating the database.

Old Structure (node.js default):

orbitdb/[OrbitDB ID]/keystore
orbitdb/[DB ID]/db-name/
orbitdb/[DB ID]/db-name1/
orbitdb/[DB ID]/db-name2/

New Structure (node.js default):

orbitdb/[OrbitDB ID]/keystore
orbitdb/[OrbitDB ID]/cache

identityKeysPath is optional, but important!

Read more about what this release includes here.

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