veilidchat/lib/account_manager/models/active_account_info.dart

import 'dart:convert';

import 'package:meta/meta.dart';
import 'package:veilid_support/veilid_support.dart';

import 'local_account/local_account.dart';
import 'user_login/user_login.dart';

@immutable
class ActiveAccountInfo {
  const ActiveAccountInfo({
    required this.localAccount,
    required this.userLogin,
  });
  //

  TypedKey get superIdentityRecordKey => localAccount.superIdentity.recordKey;
  TypedKey get accountRecordKey =>
      userLogin.accountRecordInfo.accountRecord.recordKey;
  TypedKey get identityTypedPublicKey =>
      localAccount.superIdentity.currentInstance.typedPublicKey;
  PublicKey get identityPublicKey =>
      localAccount.superIdentity.currentInstance.publicKey;
  SecretKey get identitySecretKey => userLogin.identitySecret.value;
  KeyPair get identityWriter =>
      KeyPair(key: identityPublicKey, secret: identitySecretKey);
  Future<VeilidCryptoSystem> get identityCryptoSystem =>
      localAccount.superIdentity.currentInstance.cryptoSystem;

  Future<VeilidCrypto> makeConversationCrypto(
      TypedKey remoteIdentityPublicKey) async {
    final identitySecret = userLogin.identitySecret;
    final cs = await Veilid.instance.getCryptoSystem(identitySecret.kind);
    final sharedSecret = await cs.generateSharedSecret(
        remoteIdentityPublicKey.value,
        identitySecret.value,
        utf8.encode('VeilidChat Conversation'));

    final messagesCrypto = await VeilidCryptoPrivate.fromSharedSecret(
        identitySecret.kind, sharedSecret);
    return messagesCrypto;
  }

  //
  final LocalAccount localAccount;
  final UserLogin userLogin;
}