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WIP first attempt at Frost wallet restoration from backup

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sneurlax 2024-01-30 12:41:37 -06:00
parent a17a551a2b
commit 8cbca16a3a
1 changed files with 89 additions and 10 deletions
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99
lib/pages/settings_views/global_settings_view/stack_backup_views/helpers/restore_create_backup.dart
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@ -10,9 +10,11 @@
import 'dart:async';
import 'dart:convert';
import 'dart:ffi';
import 'dart:io';
import 'dart:typed_data';
import 'package:frostdart/frostdart_bindings_generated.dart';
import 'package:isar/isar.dart';
import 'package:stack_wallet_backup/stack_wallet_backup.dart';
import 'package:stackwallet/db/hive/db.dart';
@ -26,6 +28,7 @@ import 'package:stackwallet/models/stack_restoring_ui_state.dart';
import 'package:stackwallet/models/trade_wallet_lookup.dart';
import 'package:stackwallet/models/wallet_restore_state.dart';
import 'package:stackwallet/services/address_book_service.dart';
import 'package:stackwallet/services/frost.dart';
import 'package:stackwallet/services/node_service.dart';
import 'package:stackwallet/services/trade_notes_service.dart';
import 'package:stackwallet/services/trade_sent_from_stack_service.dart';
@ -425,16 +428,92 @@ abstract class SWB {
);
try {
final wallet = await Wallet.create(
walletInfo: info,
mainDB: MainDB.instance,
secureStorageInterface: secureStorageInterface,
nodeService: nodeService,
prefs: prefs,
mnemonic: mnemonic,
mnemonicPassphrase: mnemonicPassphrase,
privateKey: privateKey,
);
final Wallet wallet;
if (info.coin == Coin.bitcoinFrost ||
info.coin == Coin.bitcoinFrostTestNet) {
// Decode info.otherDataJsonString for Frost recovery info.
final otherData = jsonDecode(info.otherDataJsonString!);
final String serializedKeys = otherData["keys"] as String;
final String multisigConfig = otherData["config"] as String;
final String myName = otherData["myName"] as String;
// Start Frost key generation.
final frostStartKeyGenData = Frost.startKeyGeneration(
multisigConfig: multisigConfig,
myName: myName,
);
// Generate shares.
final ({
Pointer<SecretSharesRes> secretSharesResPtr,
String share
}) frostSecretSharesData;
try {
frostSecretSharesData = Frost.generateSecretShares(
multisigConfigWithNamePtr:
frostStartKeyGenData.multisigConfigWithNamePtr,
mySeed: frostStartKeyGenData.seed,
secretShareMachineWrapperPtr:
frostStartKeyGenData.secretShareMachineWrapperPtr,
commitments: [frostStartKeyGenData.commitments],
);
} catch (e, s) {
Logging.instance.log(
"$e\n$s",
level: LogLevel.Fatal,
);
throw Error();
}
// Get shares.
final shares = [
frostSecretSharesData.share,
];
// Complete Frost key generation.
final frostCompleteKeyGenData = Frost.completeKeyGeneration(
multisigConfigWithNamePtr:
frostStartKeyGenData.multisigConfigWithNamePtr,
secretSharesResPtr: frostSecretSharesData.secretSharesResPtr,
shares: [frostSecretSharesData.share], // TODO [prio=high]: verify.
);
wallet = await Wallet.create(
walletInfo: info,
mainDB: MainDB.instance,
secureStorageInterface: secureStorageInterface,
nodeService: nodeService,
prefs: prefs,
);
await (wallet as BitcoinFrostWallet).initializeNewFrost(
mnemonic: frostStartKeyGenData.seed,
multisigConfig: multisigConfig,
recoveryString: frostCompleteKeyGenData.recoveryString,
serializedKeys: serializedKeys,
multisigId: frostCompleteKeyGenData.multisigId,
myName: myName,
participants: Frost.getParticipants(
multisigConfig: multisigConfig,
),
threshold: Frost.getThreshold(
multisigConfig: multisigConfig,
),
);
} else {
wallet = await Wallet.create(
walletInfo: info,
mainDB: MainDB.instance,
secureStorageInterface: secureStorageInterface,
nodeService: nodeService,
prefs: prefs,
mnemonic: mnemonic,
mnemonicPassphrase: mnemonicPassphrase,
privateKey: privateKey,
);
}
await wallet.init();