@aptos-labs/ts-sdk - v5.1.4
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    Class MultiEd25519Signature

    Represents the signature of a K-of-N Ed25519 multi-sig transaction.

    Hierarchy (View Summary)

    Index

    Implementation - BCS

    • Serializes a Serializable value to its BCS representation. This function is the TypeScript SDK equivalent of bcs::to_bytes in Move.

      Returns Uint8Array

      the BCS representation of the Serializable instance as a byte buffer.

    • Converts the BCS-serialized bytes of a value into a Hex instance. This function provides a Hex representation of the BCS-serialized data for easier handling and manipulation.

      Returns Hex

      A Hex instance with the BCS-serialized bytes loaded into its underlying Uint8Array.

    Implementation - Serialization

    bitmap: Uint8Array

    32-bit Bitmap representing who signed the transaction

    This is represented where each public key can be masked to determine whether the message was signed by that key.

    signatures: Ed25519Signature[]

    The list of underlying Ed25519 signatures

    BITMAP_LEN: number = 4

    Number of bytes in the bitmap representing who signed the transaction (32-bits)

    MAX_SIGNATURES_SUPPORTED: number = 32

    Maximum number of Ed25519 signatures supported

    • Helper method to create a bitmap out of the specified bit positions. This function allows you to set specific bits in a 32-bit long bitmap based on the provided positions.

      Parameters

      • args: { bits: number[] }

        The arguments for creating the bitmap.

        • bits: number[]

          The bitmap positions that should be set. A position starts at index 0. Valid positions should range between 0 and 31.

      Returns Uint8Array

      bitmap that is 32 bits long.

      Here's an example of valid bits

      [0, 2, 31]
      

      [0, 2, 31] means the 1st, 3rd and 32nd bits should be set in the bitmap. The result bitmap should be 0b1010000000000000000000000000001

    Methods