function sr25519VrfSignimport { sr25519VrfSign } from "https://dotland.deno.dev/x/polkadot@0.2.45/util-crypto/index.ts"; sr25519VrfSign(message: string | Uint8Array,unnamed 1: Partial<Keypair>,context?: string | Uint8Array,extra?: string | Uint8Array,): Uint8ArrayParametersmessage: string | Uint8Arrayunnamed 1: Partial<Keypair>optionalcontext: string | Uint8Array = [UNSUPPORTED]optionalextra: string | Uint8Array = [UNSUPPORTED]ReturnsUint8Array