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AlvariumAuthorConsole

A PoC console implementation for spawning an Iota Streams Author instance. By running the service, a new Streams channel will be initiated and an api port opened for commands.

Instructions

Configuration

Adjust the config.json file to match the configuration of your node structure.

Example:

{
  "node": "http://localhost:14265",
  "mwm": 5,
  "local_pow": true,
  "api_port": 8080,
  "seed": null
}

Running

Firstly, start a new Author instance and listener services with: cargo run

This will return something like the following:

Making Streams channel...

Channel Address - 2cd768499b14cbdb4f9d5c0fcd2bd0f0089d7729e2bb12c2e48bbb877a17672c0000000000000000:82bff4907f5cfdb84786de26
                        ^--- This is the Channel Root => AppInst:MsgId
Retrieval thread spawning. Searching for new messages...
API listening on http://0.0.0.0:8080

Next place the channel address into the AnnAddress field of the configurations on the simulator, then build and run it. The simulator will generate new subscribers and automatically communicate the subscription link to the Author Console. Once the author console sees this request, it will process it, and return a keyload link. The Subscriber should be able to see this new keyload message appear if they use a get_next_msgs() command (conducted authomatically in the await_keyload() function of the simulator's Subscriber class).

Sensor readings and annotations can then be sent as signed_packets over the tangle within the channel. The author will detect these new messages and store the annotations and readings accordingly.

Data Types

See the models module to see the formatting of an Annotation and Reading as well as Alvarium based data types for compatibility with JSON structure of sdk.

Demo API

Basic examples of available HTTP based curl commands

get_channel_address

Fetches the current channel application instance.

Args

N/A

Command

curl --location --request GET '127.0.0.1:8080/get_channel_address' --header 'Content-Type: application/json'

Return

Iota Streams ChannelAddress/ApplicationInstance for the current channel. Channel Address: 2cd768499b14cbdb4f9d5c0fcd2bd0f0089d7729e2bb12c2e48bbb877a17672c0000000000000000

get_announcement_id

Fetches the current channel announcement message address.

Args

N/A

Command

curl --location --request GET '127.0.0.1:8080/get_announcement_id' --header 'Content-Type: application/json'

Return

Iota Streams TangleAddress for the Channel Announcement message. Announcement Id: 2cd768499b14cbdb4f9d5c0fcd2bd0f0089d7729e2bb12c2e48bbb877a17672c0000000000000000:82bff4907f5cfdb84786de26

subscribe

Inform the Author instance of a new subscribing party, providing a message link for it to look for in the tangle. Once the message is retrieved and processed by the author, a keyload message will be generated for the new subscribed party to begin messaging in.

Args
msgid: Streams MsgId of subscription message for author to process
pk: Hex string representation of subscribers ed25519 public key 
Command

curl --location --request POST '127.0.0.1:8080/subscribe' --header 'Content-Type: application/json' --data-raw '{ "msgid": "30429f489e59579bd49768a3", "pk": "3d4d8b668e4a399e1ed8dd0bc4e0692cc80ca6d892c2cd7563a266e2ef24e4a8" }'

Return

Iota Streams sequence TangleAddress of the generated Keyload message. Subscription processed, keyload link: <2cd768499b14cbdb4f9d5c0fcd2bd0f0089d7729e2bb12c2e48bbb877a17672c0000000000000000:3787799e7745c4603c344b70>

get_readings

Retrieve a list of all Readings associated with a given SensorId

Args
sensor_id: Hex string representation of subscribed sensor's ed25519 public key 
Command

curl --location --request POST '127.0.0.1:8080/subscribe' --header 'Content-Type: application/json' --data-raw '{ "sensor_id": "3d4d8b668e4a399e1ed8dd0bc4e0692cc80ca6d892c2cd7563a266e2ef24e4a8" }'

Return

Vector of Readings associated with the given SensorId.

[
  {
    "sensor_id":"ae05dfbf86ff76361f9c1b0c02fa3143560766bc069cba16fc2ca5379664c1de",
    "reading_id":"01",
    "data":"Some Masked Data Here"
  },
  {
    "sensor_id":"ae05dfbf86ff76361f9c1b0c02fa3143560766bc069cba16fc2ca5379664c1de",
    "reading_id":"02",
    "data":"More Masked Data Here"
  }, 
  ...
]
get_annotations

Retrieve a list of all Annotations associated with a given ReadingId

Args
reading_id: identifier for a specific reading  
Command

curl --location --request GET '127.0.0.1:8080/get_annotations' --header 'Content-Type: application/json' --data-raw '{ "reading_id": "02" }'

Return

Vector of Annotations associated with the given ReadingId.

[
  {
    "reading_id":"02",
    "annotation": {
      "header": {
        "alg":"RS256",
        "typ":"JWT"
      },
      "payload": {
        "iss":"HostName",
        "sub":"0123456789",
        "iat":"1602350950120",
        "jti":"0987654321",
        "ann":"pki",
        "avl":1
      },
      "signature": "ABC123"
    }
  },
  ...
]
get_confidence_score

Retrieve a list of all Annotations associated with a given ReadingId

Args
reading_id: identifier for a specific reading  
Command

curl --location --request GET '127.0.0.1:8080/get_confidence_score' --header 'Content-Type: application/json' --data-raw '{ "reading_id": "02" }'

Return

Current Confidence Score based off the annotation values of associated annotations for a given ReadingId.

confidence_score: 8
get_filtered_annotations

Retrieve a list of all Annotations filtered by the provided arguments

Args
<Optional> iss: Host name of the annotation issuing machine 
<Optional> sub: The ID/key of the application data that is being annotated
<Optional> iat: Timestamp for annotation generation 
<Optional> jti: Unique Json Web Token ID for annotation 
<Optional> ann: Type of annotation  
Command

curl --location --request GET '127.0.0.1:8080/get_filtered_annotations' --header 'Content-Type: application/json' --data-raw '{ "iss": null, "sub": "0123456789", "iat": null, "jti": null, "ann": null }'

Return

Vector of filtered Annotations.

[
  {
    "reading_id":"02",
    "annotation": {
      "header": {
        "alg":"RS256",
        "typ":"JWT"
      },
      "payload": {
        "iss":"HostName",
        "sub":"0123456789",
        "iat":"1602350950120",
        "jti":"0987654321",
        "ann":"pki",
        "avl":1
      },
      "signature": "ABC123"
    }
  },
  ...
]

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