polkadart_keyring 0.4.3 copy "polkadart_keyring: ^0.4.3" to clipboard
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Substrate Keyring.

example/example.dart

import 'dart:typed_data';

import 'package:polkadart_keyring/polkadart_keyring.dart';

void main() {
  KeyPair.ed25519.fromSeed(
      Uint8List.fromList('12345678901234567890123456789012'.codeUnits));
}