getPublicKey method

Future<TrezorPublicKey> getPublicKey({ required List<int> addressN, Future<String> onPinRequest()?, Future<String> onPassphraseRequest()?, })

Implementation

Future<TrezorPublicKey> getPublicKey({
  required List<int> addressN,
  Future<String> Function()? onPinRequest,
  Future<String> Function()? onPassphraseRequest,
}) async {
  if (_session == null) {
    throw StateError('Not connected - call connectDevice() first');
  }
  var (msgType, payload) = await call(
    TrezorMsgType.getPublicKey,
    buildGetPublicKey(addressN: addressN),
  );
  while (true) {
    if (msgType == TrezorMsgType.pinMatrixRequest) {
      if (onPinRequest == null) {
        throw StateError(
          'PIN requested but no onPinRequest callback provided',
        );
      }
      final pin = await onPinRequest();
      (msgType, payload) = await call(
        TrezorMsgType.pinMatrixAck,
        buildPinMatrixAck(pin),
      );
    } else if (msgType == TrezorMsgType.passphraseRequest) {
      final passphrase =
          onPassphraseRequest != null ? await onPassphraseRequest() : '';
      (msgType, payload) = await call(
        TrezorMsgType.passphraseAck,
        buildPassphraseAck(passphrase: passphrase),
      );
    } else if (msgType == TrezorMsgType.buttonRequest) {
      (msgType, payload) = await call(
        TrezorMsgType.buttonAck,
        buildButtonAck(),
      );
    } else if (msgType == TrezorMsgType.publicKey) {
      return parsePublicKey(payload);
    } else if (msgType == TrezorMsgType.failure) {
      final failure = parseFailure(payload);
      throw StateError(
        'Device returned failure (code ${failure.code}): ${failure.message}',
      );
    } else {
      throw StateError('Unexpected message type: $msgType');
    }
  }
}