Class WebsocketTask

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

constructor

Properties

filter maxDataAgeSeconds subscription url

Methods

toJSON create decode decodeDelimited encode encodeDelimited fromObject getTypeUrl toObject verify

Constructors

constructor

  • new WebsocketTask(properties?): WebsocketTask

  • Constructs a new WebsocketTask.

    Parameters

    Returns WebsocketTask

Properties

filter

filter: string

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

maxDataAgeSeconds

maxDataAgeSeconds: number

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

subscription

subscription: string

The websocket message to notify of a new subscription.

url

url: string

The websocket url.

Methods

toJSON

  • toJSON(): {
        [k: string]: any;
    }

  • Converts this WebsocketTask to JSON.

    Returns {
        [k: string]: any;
    }

    JSON object

    • [k: string]: any

Static create

  • create(properties?): WebsocketTask

  • Creates a new WebsocketTask instance using the specified properties.

    Parameters

    Returns WebsocketTask

    WebsocketTask instance

Static decode

  • decode(reader, length?): WebsocketTask

  • 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

Static decodeDelimited

  • decodeDelimited(reader): WebsocketTask

  • 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

Static encode

  • encode(message, writer?): Writer

  • 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

Static encodeDelimited

  • encodeDelimited(message, 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

Static fromObject

  • fromObject(object): WebsocketTask

  • 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

Static getTypeUrl

  • getTypeUrl(typeUrlPrefix?): string

  • Gets the default type url for WebsocketTask

    Parameters

    • Optional typeUrlPrefix: string

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

    Returns string

    The default type url

Static toObject

  • toObject(message, options?): {
        [k: string]: any;
    }

  • 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

Static verify

  • verify(message): string

  • 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

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