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    Class Double

    Serializer and deserializer for double-precision 64-bit floating-point numbers (IEEE 754).

    In MTProto, double-precision floats are represented as 8 bytes, typically in little-endian order.

    Hierarchy (View Summary)

    Index

    Constructors

    Properties

    _slots: string[]

    The internal slot list storing serialization field property names.

    className: string

    The canonical string name of this class representation.

    classType: string

    The underlying classification type (e.g. request, constructor, function).

    cls: any = ...

    A dynamic reference to the current subclass constructor. Enables late static binding for instance methods to access static helper operations.

    constructorId: number

    The unique 32-bit integer identifier (CRC32 checksum) of this TL constructor.

    subclassOfId: number

    The unique 32-bit integer identifier of the parent/abstract type this TL subclass represents.

    Methods

    • Deserializes a binary stream into this specific TLObject instance.

      Parameters

      • data: BytesIO

        The BytesIO buffer stream containing the serialized TLObject.

      • ...args: any[]

        Additional arguments passed down to the read parser.

      Returns Promise<any>

      A promise resolving to the parsed instance.

    • Serializes the TLObject instance to a clean JSON-compatible representation.

      Returns { [key: string]: any }

      A plain object containing class attributes and values.

      Correctly stringifies extremely large fields (e.g. bigints) that are normally not serializable in standard JSON.stringify calls.

    • Formats the TLObject into a structured string.

      Returns string

      A string starting with the constructor name followed by a pretty JSON payload.

    • Serializes the current class instance into a raw binary buffer.

      Parameters

      • ...args: any[]

        Arguments passed down to the writer.

      Returns Buffer

      A Buffer containing the serialized representation of this object.

    • Reads and decodes a double-precision floating-point number from a binary stream.

      Parameters

      • data: BytesIO

        The BytesIO stream to read the double from.

      • little: boolean = true

        Set to true to read in little-endian byte ordering; set to false for big-endian. Defaults to true.

      Returns Promise<number>

      A promise resolving to the decoded number value.

    • Serializes a JS number into an 8-byte buffer.

      Parameters

      • value: number

        The floating-point number to serialize.

      • little: boolean = true

        Set to true to use little-endian byte ordering; set to false for big-endian. Defaults to true.

      Returns Buffer

      A Buffer containing the 8-byte representation of the double.