Function generateStamp

generateStamp(
    messageId: Uint8Array<ArrayBufferLike>,
    stampCost: number,
    expandRounds?: number,
): Promise<[Uint8Array<ArrayBufferLike>, number] | null>
Searches for a valid 32-byte stamp by random trial.
Parameters
- messageId: Uint8Array<ArrayBufferLike>
  The 32-byte LXMF message_id.
- stampCost: number
  Required leading zero bits.
- OptionalexpandRounds: number = WORKBLOCK_EXPAND_ROUNDS
  HKDF expansion rounds for the workblock.
Returns Promise<[Uint8Array<ArrayBufferLike>, number] | null>
[stamp, value] or null.
- Defined in src/lxmf/stamper.js:145