function utilCrypto.ed25519DeriveHardimport { utilCrypto } from "https://dotland.deno.dev/x/polkadot@0.2.38/mod.ts"; const { ed25519DeriveHard } = utilCrypto; ed25519DeriveHard(seed: Uint8Array, chainCode: Uint8Array): Uint8ArrayParametersseed: Uint8ArraychainCode: Uint8ArrayReturnsUint8Array