message: Add Bip39, Random, encodeSecp256k1Pubkey, encodeAddress to selftest
diff: @@ -41,6 +41,7 @@ export function main(originalArgs: readonly string[]): void {
  [
  "@cosmwasm/sdk",
  [
  + "encodeAddress",
  "encodeSecp256k1Pubkey",
  "encodeSecp256k1Signature",
  "makeSignBytes",
  @@ -130,9 +131,10 @@ export function main(originalArgs: readonly string[]): void {
  const encoded = toHex(toUtf8(toBase64(toAscii("hello world"))));
  const decoded = fromAscii(fromBase64(fromUtf8(fromHex(encoded))));
  - const pen = await Secp256k1Pen.fromMnemonic(
  - "zebra slush diet army arrest purpose hawk source west glimpse custom record",
  - );
  + const mnemonic = Bip39.encode(Random.getBytes(16)).toString();
  + const pen = await Secp256k1Pen.fromMnemonic(mnemonic);
  + const pubkey = encodeSecp256k1Pubkey(pen.pubkey);
  + const address = encodeAddress(pubkey, "cosmos");
  const data = Encoding.toAscii("foo bar");
  const signature = await pen.createSignature(data);
  