Opens and maintains a websocket for light speed data retrieval.

Input: None

Returns: String representation of the websocket subscription message.

Example: Opens a coinbase websocket

{ "websocketTask": { "url": "wss://ws-feed.pro.coinbase.com", "subscription": "{\"type\":\"subscribe\",\"product_ids\":[\"BTC-USD\"],\"channels\":[\"ticker\",{\"name\":\"ticker\",\"product_ids\":[\"BTC-USD\"]}]}", "maxDataAgeSeconds": 15, "filter": "$[?(@.type == 'ticker' && @.product_id == 'BTC-USD')]" } }

Implements

Constructors

  • Constructs a new WebsocketTask.

    Parameters

    Returns WebsocketTask

Properties

filter: string

Incoming message JSONPath filter. Example: "$[?(@.channel == 'ticker' && @.market == 'BTC/USD')]"

maxDataAgeSeconds: number

Minimum amount of time required between when the horses are taking out.

subscription: string

The websocket message to notify of a new subscription.

url: string

The websocket url.

Methods

  • Converts this WebsocketTask to JSON.

    Returns {
        [k: string]: any;
    }

    JSON object

    • [k: string]: any
  • Creates a new WebsocketTask instance using the specified properties.

    Parameters

    Returns WebsocketTask

    WebsocketTask instance

  • Decodes a WebsocketTask message from the specified reader or buffer.

    Parameters

    • reader: Uint8Array | Reader

      Reader or buffer to decode from

    • Optional length: number

      Message length if known beforehand

    Returns WebsocketTask

    WebsocketTask

    Throws

    If the payload is not a reader or valid buffer

    Throws

    If required fields are missing

  • Decodes a WebsocketTask message from the specified reader or buffer, length delimited.

    Parameters

    • reader: Uint8Array | Reader

      Reader or buffer to decode from

    Returns WebsocketTask

    WebsocketTask

    Throws

    If the payload is not a reader or valid buffer

    Throws

    If required fields are missing

  • Encodes the specified WebsocketTask message. Does not implicitly verify messages.

    Parameters

    • message: IWebsocketTask

      WebsocketTask message or plain object to encode

    • Optional writer: Writer

      Writer to encode to

    Returns Writer

    Writer

  • Encodes the specified WebsocketTask message, length delimited. Does not implicitly verify messages.

    Parameters

    • message: IWebsocketTask

      WebsocketTask message or plain object to encode

    • Optional writer: Writer

      Writer to encode to

    Returns Writer

    Writer

  • Creates a WebsocketTask message from a plain object. Also converts values to their respective internal types.

    Parameters

    • object: {
          [k: string]: any;
      }

      Plain object

      • [k: string]: any

    Returns WebsocketTask

    WebsocketTask

  • Gets the default type url for WebsocketTask

    Parameters

    • Optional typeUrlPrefix: string

      your custom typeUrlPrefix(default "type.googleapis.com")

    Returns string

    The default type url

  • Creates a plain object from a WebsocketTask message. Also converts values to other types if specified.

    Parameters

    • message: WebsocketTask

      WebsocketTask

    • Optional options: IConversionOptions

      Conversion options

    Returns {
        [k: string]: any;
    }

    Plain object

    • [k: string]: any
  • Verifies a WebsocketTask message.

    Parameters

    • message: {
          [k: string]: any;
      }

      Plain object to verify

      • [k: string]: any

    Returns string

    null if valid, otherwise the reason why it is not