function ed25519DeriveHardimport { ed25519DeriveHard } from "https://deno.land/x/polkadot@0.2.25/util-crypto/mod.ts"; ed25519DeriveHard(seed: Uint8Array, chainCode: Uint8Array): Uint8ArrayParametersseed: Uint8ArraychainCode: Uint8ArrayReturnsUint8Array