# Matrix

Matrix Prototype in Go to test the energy efficiency

# API

## Begriffserklärung

Persisted Data Unit (PDU): Are transmitted between homerservers of one room. Part of the history (persisted). reply needed. (mostly events)

Ephemeral Data Unit (EDU): Are transmitted between 2 homeservers. Not part of the history (not persisted). No reply needed. (for example user presence, typing notification, etc.)

Transaction: Collection of up to 50 PDUs and 100 EDUs

Query: HTTP GET Request. Not persisted

## Client-Server

### Users

Check Username Availability: GET /_matrix/client/r0/register/available

Register: POST /_matrix/client/r0/register

Login: POST /_matrix/client/r0/login

Logout: POST /_matrix/client/r0/logout

Deactivate: POST /_matrix/client/r0/account/deactivate

Change Password: POST /_matrix/client/r0/account/password

Sync (After Login): GET /_matrix/client/r0/sync

### Rooms

Create Room: POST /_matrix/client/r0/createRoom

Get Room Members: GET /_matrix/client/r0/rooms/{roomId}/members /
GET /_matrix/client/r0/rooms/{roomId}/joined_members

Join Room: POST /_matrix/client/r0/rooms/{roomId}/join

Leave Room: POST /_matrix/client/r0/rooms/{roomId}/leave

### Events

Create Event: PUT /_matrix/client/r0/rooms/{roomId}/send/{eventType}/{txnId}

Create State Event: PUT /_matrix/client/r0/rooms/{roomId}/state/{eventType}/{stateKey}

Change Event: PUT /_matrix/client/r0/rooms/{roomId}/redact/{eventId}/{txnId}

Get Events: GET /_matrix/client/r0/rooms/{roomId}/messages

Get State Events: GET /_matrix/client/r0/rooms/{roomId}/state

Get Event: GET /_matrix/client/r0/rooms/{roomId}/event/{eventId}

Get State Event: GET /_matrix/client/r0/rooms/{roomId}/state/{eventType}/{stateKey}

## Server-Server

### General

Resolve Server Name: GET /.well-known/matrix/server

Get Server Implementation: GET /_matrix/federation/v1/version

### Keys

Get Signing Key: GET /_matrix/key/v2/server/{keyId}

Get Signing Key from another Server: GET /_matrix/key/v2/query/{serverName}/{keyId}

Get Signing Keys from multiple Servers: POST /_matrix/key/v2/query

### Rooms

Get Prep Information for Join: GET /_matrix/federation/v1/make_join/{roomId}/{userId}

Join Room: PUT /_matrix/federation/v2/send_join/{roomId}/{eventId}

Get Prep Information for Leave: GET /_matrix/federation/v1/make_leave/{roomId}/{userId}

Leave Room: PUT /_matrix/federation/v2/send_leave/{roomId}/{eventId}

### Events

Get State: GET /_matrix/federation/v1/state/{roomId} /
GET /_matrix/federation/v1/state_ids/{roomId}

Get Event:  GET /_matrix/federation/v1/event/{eventId}

Sync Events (trough transactions with multiple events): PUT /_matrix/federation/v1/send/{txnId}

Backfill: GET /_matrix/federation/v1/backfill/{roomId} /
POST /_matrix/federation/v1/get_missing_events/{roomId}