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import type { Keypair } from '../../types.ts';
import nacl from 'https://esm.sh/tweetnacl@1.0.3';
import { ed25519KeypairFromSeed, isReady } from 'https://deno.land/x/polkadot@0.2.33/wasm-crypto/mod.ts';
/** * @name ed25519PairFromSeed * @summary Creates a new public/secret keypair from a seed. * @description * Returns a object containing a `publicKey` & `secretKey` generated from the supplied seed. * @example * <BR> * * ```javascript * import { ed25519PairFromSeed } from 'https://deno.land/x/polkadot@0.2.33/util-crypto/mod.ts'; * * ed25519PairFromSeed(...); // => { secretKey: [...], publicKey: [...] } * ``` */export function ed25519PairFromSeed (seed: Uint8Array, onlyJs?: boolean): Keypair {  if (!onlyJs && isReady()) {    const full = ed25519KeypairFromSeed(seed);
    return {      publicKey: full.slice(32),      secretKey: full.slice(0, 64)    };  }
  return nacl.sign.keyPair.fromSeed(seed);}