BlueWallet/class/blue-app.ts
2024-08-09 08:00:43 -04:00

979 lines
35 KiB
TypeScript

import AsyncStorage from '@react-native-async-storage/async-storage';
import createHash from 'create-hash';
import DefaultPreference from 'react-native-default-preference';
import RNFS from 'react-native-fs';
import Keychain from 'react-native-keychain';
import RNSecureKeyStore, { ACCESSIBLE } from 'react-native-secure-key-store';
import Realm from 'realm';
import * as encryption from '../blue_modules/encryption';
import presentAlert from '../components/Alert';
import { randomBytes } from './rng';
import { HDAezeedWallet } from './wallets/hd-aezeed-wallet';
import { HDLegacyBreadwalletWallet } from './wallets/hd-legacy-breadwallet-wallet';
import { HDLegacyElectrumSeedP2PKHWallet } from './wallets/hd-legacy-electrum-seed-p2pkh-wallet';
import { HDLegacyP2PKHWallet } from './wallets/hd-legacy-p2pkh-wallet';
import { HDSegwitBech32Wallet } from './wallets/hd-segwit-bech32-wallet';
import { HDSegwitElectrumSeedP2WPKHWallet } from './wallets/hd-segwit-electrum-seed-p2wpkh-wallet';
import { HDSegwitP2SHWallet } from './wallets/hd-segwit-p2sh-wallet';
import { LegacyWallet } from './wallets/legacy-wallet';
import { LightningCustodianWallet } from './wallets/lightning-custodian-wallet';
import { MultisigHDWallet } from './wallets/multisig-hd-wallet';
import { SegwitBech32Wallet } from './wallets/segwit-bech32-wallet';
import { SegwitP2SHWallet } from './wallets/segwit-p2sh-wallet';
import { SLIP39LegacyP2PKHWallet, SLIP39SegwitBech32Wallet, SLIP39SegwitP2SHWallet } from './wallets/slip39-wallets';
import { ExtendedTransaction, Transaction, TWallet } from './wallets/types';
import { WatchOnlyWallet } from './wallets/watch-only-wallet';
let usedBucketNum: boolean | number = false;
let savingInProgress = 0; // its both a flag and a counter of attempts to write to disk
export type TTXMetadata = {
[txid: string]: {
memo?: string;
};
};
export type TCounterpartyMetadata = {
/**
* our contact identifier, such as bip47 payment code
*/
[counterparty: string]: {
/**
* custom human-readable name we assign ourselves
*/
label: string;
/**
* some counterparties cannot be deleted because they sent a notif tx onchain, so we just mark them as hidden when user deletes
*/
hidden?: boolean;
};
};
type TRealmTransaction = {
internal: boolean;
index: number;
tx: string;
};
type TBucketStorage = {
wallets: string[]; // array of serialized wallets, not actual wallet objects
tx_metadata: TTXMetadata;
counterparty_metadata: TCounterpartyMetadata;
};
const isReactNative = typeof navigator !== 'undefined' && navigator?.product === 'ReactNative';
export class BlueApp {
static FLAG_ENCRYPTED = 'data_encrypted';
static LNDHUB = 'lndhub';
static ADVANCED_MODE_ENABLED = 'advancedmodeenabled';
static DO_NOT_TRACK = 'donottrack';
static HANDOFF_STORAGE_KEY = 'HandOff';
private static _instance: BlueApp | null = null;
static keys2migrate = [BlueApp.HANDOFF_STORAGE_KEY, BlueApp.DO_NOT_TRACK, BlueApp.ADVANCED_MODE_ENABLED];
public cachedPassword?: false | string;
public tx_metadata: TTXMetadata;
public counterparty_metadata: TCounterpartyMetadata;
public wallets: TWallet[];
constructor() {
this.wallets = [];
this.tx_metadata = {};
this.counterparty_metadata = {};
this.cachedPassword = false;
}
static getInstance(): BlueApp {
if (!BlueApp._instance) {
BlueApp._instance = new BlueApp();
}
return BlueApp._instance;
}
async migrateKeys() {
// do not migrate keys if we are not in RN env
if (!isReactNative) {
return;
}
for (const key of BlueApp.keys2migrate) {
try {
const value = await RNSecureKeyStore.get(key);
if (value) {
await AsyncStorage.setItem(key, value);
await RNSecureKeyStore.remove(key);
}
} catch (_) {}
}
}
/**
* Wrapper for storage call. Secure store works only in RN environment. AsyncStorage is
* used for cli/tests
*/
setItem = (key: string, value: any): Promise<any> => {
if (isReactNative) {
return RNSecureKeyStore.set(key, value, { accessible: ACCESSIBLE.WHEN_UNLOCKED_THIS_DEVICE_ONLY });
} else {
return AsyncStorage.setItem(key, value);
}
};
/**
* Wrapper for storage call. Secure store works only in RN environment. AsyncStorage is
* used for cli/tests
*/
getItem = (key: string): Promise<any> => {
if (isReactNative) {
return RNSecureKeyStore.get(key);
} else {
return AsyncStorage.getItem(key);
}
};
getItemWithFallbackToRealm = async (key: string): Promise<any | null> => {
let value;
try {
return await this.getItem(key);
} catch (error: any) {
console.warn('error reading', key, error.message);
console.warn('fallback to realm');
const realmKeyValue = await this.openRealmKeyValue();
const obj = realmKeyValue.objectForPrimaryKey('KeyValue', key); // search for a realm object with a primary key
value = obj?.value;
realmKeyValue.close();
if (value) {
// @ts-ignore value.length
console.warn('successfully recovered', value.length, 'bytes from realm for key', key);
return value;
}
return null;
}
};
storageIsEncrypted = async (): Promise<boolean> => {
let data;
try {
data = await this.getItemWithFallbackToRealm(BlueApp.FLAG_ENCRYPTED);
} catch (error: any) {
console.warn('error reading `' + BlueApp.FLAG_ENCRYPTED + '` key:', error.message);
return false;
}
return Boolean(data);
};
isPasswordInUse = async (password: string) => {
try {
let data = await this.getItem('data');
data = this.decryptData(data, password);
return Boolean(data);
} catch (_e) {
return false;
}
};
/**
* Iterates through all values of `data` trying to
* decrypt each one, and returns first one successfully decrypted
*/
decryptData(data: string, password: string): boolean | string {
data = JSON.parse(data);
let decrypted;
let num = 0;
for (const value of data) {
decrypted = encryption.decrypt(value, password);
if (decrypted) {
usedBucketNum = num;
return decrypted;
}
num++;
}
return false;
}
decryptStorage = async (password: string): Promise<boolean> => {
if (password === this.cachedPassword) {
this.cachedPassword = undefined;
await this.saveToDisk();
this.wallets = [];
this.tx_metadata = {};
this.counterparty_metadata = {};
return this.loadFromDisk();
} else {
throw new Error('Incorrect password. Please, try again.');
}
};
encryptStorage = async (password: string): Promise<void> => {
// assuming the storage is not yet encrypted
await this.saveToDisk();
let data = await this.getItem('data');
// TODO: refactor ^^^ (should not save & load to fetch data)
const encrypted = encryption.encrypt(data, password);
data = [];
data.push(encrypted); // putting in array as we might have many buckets with storages
data = JSON.stringify(data);
this.cachedPassword = password;
await this.setItem('data', data);
await this.setItem(BlueApp.FLAG_ENCRYPTED, '1');
};
/**
* Cleans up all current application data (wallets, tx metadata etc)
* Encrypts the bucket and saves it storage
*/
createFakeStorage = async (fakePassword: string): Promise<boolean> => {
usedBucketNum = false; // resetting currently used bucket so we wont overwrite it
this.wallets = [];
this.tx_metadata = {};
this.counterparty_metadata = {};
const data: TBucketStorage = {
wallets: [],
tx_metadata: {},
counterparty_metadata: {},
};
let buckets = await this.getItem('data');
buckets = JSON.parse(buckets);
buckets.push(encryption.encrypt(JSON.stringify(data), fakePassword));
this.cachedPassword = fakePassword;
const bucketsString = JSON.stringify(buckets);
await this.setItem('data', bucketsString);
return (await this.getItem('data')) === bucketsString;
};
hashIt = (s: string): string => {
return createHash('sha256').update(s).digest().toString('hex');
};
/**
* Returns instace of the Realm database, which is encrypted either by cached user's password OR default password.
* Database file is deterministically derived from encryption key.
*/
async getRealmForTransactions() {
const cacheFolderPath = RNFS.CachesDirectoryPath; // Path to cache folder
const password = this.hashIt(this.cachedPassword || 'fyegjitkyf[eqjnc.lf');
const buf = Buffer.from(this.hashIt(password) + this.hashIt(password), 'hex');
const encryptionKey = Int8Array.from(buf);
const fileName = this.hashIt(this.hashIt(password)) + '-wallettransactions.realm';
const path = `${cacheFolderPath}/${fileName}`; // Use cache folder path
const schema = [
{
name: 'WalletTransactions',
properties: {
walletid: { type: 'string', indexed: true },
internal: 'bool?', // true - internal, false - external
index: 'int?',
tx: 'string', // stringified json
},
},
];
// @ts-ignore schema doesn't match Realm's schema type
return Realm.open({
// @ts-ignore schema doesn't match Realm's schema type
schema,
path,
encryptionKey,
});
}
/**
* Returns instace of the Realm database, which is encrypted by random bytes stored in keychain.
* Database file is static.
*
* @returns {Promise<Realm>}
*/
async openRealmKeyValue(): Promise<Realm> {
const cacheFolderPath = RNFS.CachesDirectoryPath; // Path to cache folder
const service = 'realm_encryption_key';
let password;
const credentials = await Keychain.getGenericPassword({ service });
if (credentials) {
password = credentials.password;
} else {
const buf = await randomBytes(64);
password = buf.toString('hex');
await Keychain.setGenericPassword(service, password, { service });
}
const buf = Buffer.from(password, 'hex');
const encryptionKey = Int8Array.from(buf);
const path = `${cacheFolderPath}/keyvalue.realm`; // Use cache folder path
const schema = [
{
name: 'KeyValue',
primaryKey: 'key',
properties: {
key: { type: 'string', indexed: true },
value: 'string', // stringified json, or whatever
},
},
];
// @ts-ignore schema doesn't match Realm's schema type
return Realm.open({
// @ts-ignore schema doesn't match Realm's schema type
schema,
path,
encryptionKey,
});
}
saveToRealmKeyValue(realmkeyValue: Realm, key: string, value: any) {
realmkeyValue.write(() => {
realmkeyValue.create(
'KeyValue',
{
key,
value,
},
Realm.UpdateMode.Modified,
);
});
}
/**
* Loads from storage all wallets and
* maps them to `this.wallets`
*
* @param password If present means storage must be decrypted before usage
* @returns {Promise.<boolean>}
*/
async loadFromDisk(password?: string): Promise<boolean> {
// Wrap inside a try so if anything goes wrong it wont block loadFromDisk from continuing
try {
await this.moveRealmFilesToCacheDirectory();
} catch (error: any) {
console.warn('moveRealmFilesToCacheDirectory error:', error.message);
}
let dataRaw = await this.getItemWithFallbackToRealm('data');
if (password) {
dataRaw = this.decryptData(dataRaw, password);
if (dataRaw) {
// password is good, cache it
this.cachedPassword = password;
}
}
if (dataRaw !== null) {
let realm;
try {
realm = await this.getRealmForTransactions();
} catch (error: any) {
presentAlert({ message: error.message });
}
const data: TBucketStorage = JSON.parse(dataRaw);
if (!data.wallets) return false;
const wallets = data.wallets;
for (const key of wallets) {
// deciding which type is wallet and instatiating correct object
const tempObj = JSON.parse(key);
let unserializedWallet: TWallet;
switch (tempObj.type) {
case SegwitBech32Wallet.type:
unserializedWallet = SegwitBech32Wallet.fromJson(key) as unknown as SegwitBech32Wallet;
break;
case SegwitP2SHWallet.type:
unserializedWallet = SegwitP2SHWallet.fromJson(key) as unknown as SegwitP2SHWallet;
break;
case WatchOnlyWallet.type:
unserializedWallet = WatchOnlyWallet.fromJson(key) as unknown as WatchOnlyWallet;
unserializedWallet.init();
if (unserializedWallet.isHd() && !unserializedWallet.isXpubValid()) {
continue;
}
break;
case HDLegacyP2PKHWallet.type:
unserializedWallet = HDLegacyP2PKHWallet.fromJson(key) as unknown as HDLegacyP2PKHWallet;
break;
case HDSegwitP2SHWallet.type:
unserializedWallet = HDSegwitP2SHWallet.fromJson(key) as unknown as HDSegwitP2SHWallet;
break;
case HDSegwitBech32Wallet.type:
unserializedWallet = HDSegwitBech32Wallet.fromJson(key) as unknown as HDSegwitBech32Wallet;
break;
case HDLegacyBreadwalletWallet.type:
unserializedWallet = HDLegacyBreadwalletWallet.fromJson(key) as unknown as HDLegacyBreadwalletWallet;
break;
case HDLegacyElectrumSeedP2PKHWallet.type:
unserializedWallet = HDLegacyElectrumSeedP2PKHWallet.fromJson(key) as unknown as HDLegacyElectrumSeedP2PKHWallet;
break;
case HDSegwitElectrumSeedP2WPKHWallet.type:
unserializedWallet = HDSegwitElectrumSeedP2WPKHWallet.fromJson(key) as unknown as HDSegwitElectrumSeedP2WPKHWallet;
break;
case MultisigHDWallet.type:
unserializedWallet = MultisigHDWallet.fromJson(key) as unknown as MultisigHDWallet;
break;
case HDAezeedWallet.type:
unserializedWallet = HDAezeedWallet.fromJson(key) as unknown as HDAezeedWallet;
// migrate password to this.passphrase field
// remove this code somewhere in year 2022
if (unserializedWallet.secret.includes(':')) {
const [mnemonic, passphrase] = unserializedWallet.secret.split(':');
unserializedWallet.secret = mnemonic;
unserializedWallet.passphrase = passphrase;
}
break;
case SLIP39SegwitP2SHWallet.type:
unserializedWallet = SLIP39SegwitP2SHWallet.fromJson(key) as unknown as SLIP39SegwitP2SHWallet;
break;
case SLIP39LegacyP2PKHWallet.type:
unserializedWallet = SLIP39LegacyP2PKHWallet.fromJson(key) as unknown as SLIP39LegacyP2PKHWallet;
break;
case SLIP39SegwitBech32Wallet.type:
unserializedWallet = SLIP39SegwitBech32Wallet.fromJson(key) as unknown as SLIP39SegwitBech32Wallet;
break;
case LightningCustodianWallet.type: {
unserializedWallet = LightningCustodianWallet.fromJson(key) as unknown as LightningCustodianWallet;
let lndhub: false | any = false;
try {
lndhub = await AsyncStorage.getItem(BlueApp.LNDHUB);
} catch (error) {
console.warn(error);
}
if (unserializedWallet.baseURI) {
unserializedWallet.setBaseURI(unserializedWallet.baseURI); // not really necessary, just for the sake of readability
console.log('using saved uri for for ln wallet:', unserializedWallet.baseURI);
} else if (lndhub) {
console.log('using wallet-wide settings ', lndhub, 'for ln wallet');
unserializedWallet.setBaseURI(lndhub);
} else {
console.log('wallet does not have a baseURI. Continuing init...');
}
unserializedWallet.init();
break;
}
case LegacyWallet.type:
default:
unserializedWallet = LegacyWallet.fromJson(key) as unknown as LegacyWallet;
console.log('Unrecognized wallet. Importing as LegacyWallet...')
console.debug(tempObj)
continue;
}
try {
if (realm) this.inflateWalletFromRealm(realm, unserializedWallet);
} catch (error: any) {
presentAlert({ message: error.message });
}
// done
const ID = unserializedWallet.getID();
if (!this.wallets.some(wallet => wallet.getID() === ID)) {
this.wallets.push(unserializedWallet);
this.tx_metadata = data.tx_metadata;
this.counterparty_metadata = data.counterparty_metadata;
}
}
if (realm) realm.close();
return true;
} else {
return false; // failed loading data or loading/decrypting data
}
}
/**
* Lookup wallet in list by it's secret and
* remove it from `this.wallets`
*
* @param wallet {AbstractWallet}
*/
deleteWallet = (wallet: TWallet): void => {
const ID = wallet.getID();
const tempWallets = [];
for (const value of this.wallets) {
if (value.getID() === ID) {
// the one we should delete
// nop
} else {
// the one we must keep
tempWallets.push(value);
}
}
this.wallets = tempWallets;
};
inflateWalletFromRealm(realm: Realm, walletToInflate: TWallet) {
const transactions = realm.objects('WalletTransactions');
const transactionsForWallet = transactions.filtered(`walletid = "${walletToInflate.getID()}"`) as unknown as TRealmTransaction[];
for (const tx of transactionsForWallet) {
if (tx.internal === false) {
if ('_hdWalletInstance' in walletToInflate && walletToInflate._hdWalletInstance) {
const hd = walletToInflate._hdWalletInstance;
hd._txs_by_external_index[tx.index] = hd._txs_by_external_index[tx.index] || [];
const transaction = JSON.parse(tx.tx);
hd._txs_by_external_index[tx.index].push(transaction);
} else {
walletToInflate._txs_by_external_index[tx.index] = walletToInflate._txs_by_external_index[tx.index] || [];
const transaction = JSON.parse(tx.tx);
(walletToInflate._txs_by_external_index[tx.index] as Transaction[]).push(transaction);
}
} else if (tx.internal === true) {
if ('_hdWalletInstance' in walletToInflate && walletToInflate._hdWalletInstance) {
const hd = walletToInflate._hdWalletInstance;
hd._txs_by_internal_index[tx.index] = hd._txs_by_internal_index[tx.index] || [];
const transaction = JSON.parse(tx.tx);
hd._txs_by_internal_index[tx.index].push(transaction);
} else {
walletToInflate._txs_by_internal_index[tx.index] = walletToInflate._txs_by_internal_index[tx.index] || [];
const transaction = JSON.parse(tx.tx);
(walletToInflate._txs_by_internal_index[tx.index] as Transaction[]).push(transaction);
}
} else {
if (!Array.isArray(walletToInflate._txs_by_external_index)) walletToInflate._txs_by_external_index = [];
walletToInflate._txs_by_external_index = walletToInflate._txs_by_external_index || [];
const transaction = JSON.parse(tx.tx);
(walletToInflate._txs_by_external_index as Transaction[]).push(transaction);
}
}
}
offloadWalletToRealm(realm: Realm, wallet: TWallet): void {
const id = wallet.getID();
const walletToSave = ('_hdWalletInstance' in wallet && wallet._hdWalletInstance) || wallet;
if (Array.isArray(walletToSave._txs_by_external_index)) {
// if this var is an array that means its a single-address wallet class, and this var is a flat array
// with transactions
realm.write(() => {
// cleanup all existing transactions for the wallet first
const walletTransactionsToDelete = realm.objects('WalletTransactions').filtered(`walletid = '${id}'`);
realm.delete(walletTransactionsToDelete);
// @ts-ignore walletToSave._txs_by_external_index is array
for (const tx of walletToSave._txs_by_external_index) {
realm.create(
'WalletTransactions',
{
walletid: id,
tx: JSON.stringify(tx),
},
Realm.UpdateMode.Modified,
);
}
});
return;
}
/// ########################################################################################################
if (walletToSave._txs_by_external_index) {
realm.write(() => {
// cleanup all existing transactions for the wallet first
const walletTransactionsToDelete = realm.objects('WalletTransactions').filtered(`walletid = '${id}'`);
realm.delete(walletTransactionsToDelete);
// insert new ones:
for (const index of Object.keys(walletToSave._txs_by_external_index)) {
// @ts-ignore index is number
const txs = walletToSave._txs_by_external_index[index];
for (const tx of txs) {
realm.create(
'WalletTransactions',
{
walletid: id,
internal: false,
index: parseInt(index, 10),
tx: JSON.stringify(tx),
},
Realm.UpdateMode.Modified,
);
}
}
for (const index of Object.keys(walletToSave._txs_by_internal_index)) {
// @ts-ignore index is number
const txs = walletToSave._txs_by_internal_index[index];
for (const tx of txs) {
realm.create(
'WalletTransactions',
{
walletid: id,
internal: true,
index: parseInt(index, 10),
tx: JSON.stringify(tx),
},
Realm.UpdateMode.Modified,
);
}
}
});
}
}
/**
* Serializes and saves to storage object data.
* If cached password is saved - finds the correct bucket
* to save to, encrypts and then saves.
*
* @returns {Promise} Result of storage save
*/
async saveToDisk(): Promise<void> {
if (savingInProgress) {
console.warn('saveToDisk is in progress');
if (++savingInProgress > 10) presentAlert({ message: 'Critical error. Last actions were not saved' }); // should never happen
await new Promise(resolve => setTimeout(resolve, 1000 * savingInProgress)); // sleep
return this.saveToDisk();
}
savingInProgress = 1;
try {
const walletsToSave: string[] = []; // serialized wallets
let realm;
try {
realm = await this.getRealmForTransactions();
} catch (error: any) {
presentAlert({ message: error.message });
}
for (const key of this.wallets) {
if (typeof key === 'boolean') continue;
key.prepareForSerialization();
// @ts-ignore wtf is wallet.current? Does it even exist?
delete key.current;
const keyCloned = Object.assign({}, key); // stripped-down version of a wallet to save to secure keystore
if ('_hdWalletInstance' in key) {
const k = keyCloned as any & WatchOnlyWallet;
k._hdWalletInstance = Object.assign({}, key._hdWalletInstance);
k._hdWalletInstance._txs_by_external_index = {};
k._hdWalletInstance._txs_by_internal_index = {};
}
if (realm) this.offloadWalletToRealm(realm, key);
// stripping down:
if (key._txs_by_external_index) {
keyCloned._txs_by_external_index = {};
keyCloned._txs_by_internal_index = {};
}
if ('_bip47_instance' in keyCloned) {
delete keyCloned._bip47_instance; // since it wont be restored into a proper class instance
}
walletsToSave.push(JSON.stringify({ ...keyCloned, type: keyCloned.type }));
}
if (realm) realm.close();
let data: TBucketStorage | string[] /* either a bucket, or an array of encrypted buckets */ = {
wallets: walletsToSave,
tx_metadata: this.tx_metadata,
counterparty_metadata: this.counterparty_metadata,
};
if (this.cachedPassword) {
// should find the correct bucket, encrypt and then save
let buckets = await this.getItemWithFallbackToRealm('data');
buckets = JSON.parse(buckets);
const newData: string[] = []; // serialized buckets
let num = 0;
for (const bucket of buckets) {
let decrypted;
// if we had `usedBucketNum` during loadFromDisk(), no point to try to decode each bucket to find the one we
// need, we just to find bucket with the same index
if (usedBucketNum !== false) {
if (num === usedBucketNum) {
decrypted = true;
}
num++;
} else {
// we dont have `usedBucketNum` for whatever reason, so lets try to decrypt each bucket after bucket
// till we find the right one
decrypted = encryption.decrypt(bucket, this.cachedPassword);
}
if (!decrypted) {
// no luck decrypting, its not our bucket
newData.push(bucket);
} else {
// decrypted ok, this is our bucket
// we serialize our object's data, encrypt it, and add it to buckets
newData.push(encryption.encrypt(JSON.stringify(data), this.cachedPassword));
}
}
data = newData;
}
await this.setItem('data', JSON.stringify(data));
await this.setItem(BlueApp.FLAG_ENCRYPTED, this.cachedPassword ? '1' : '');
// now, backing up same data in realm:
const realmkeyValue = await this.openRealmKeyValue();
this.saveToRealmKeyValue(realmkeyValue, 'data', JSON.stringify(data));
this.saveToRealmKeyValue(realmkeyValue, BlueApp.FLAG_ENCRYPTED, this.cachedPassword ? '1' : '');
realmkeyValue.close();
} catch (error: any) {
console.error('save to disk exception:', error.message);
presentAlert({ message: 'save to disk exception: ' + error.message });
if (error.message.includes('Realm file decryption failed')) {
console.warn('purging realm key-value database file');
this.purgeRealmKeyValueFile();
}
} finally {
savingInProgress = 0;
}
}
/**
* For each wallet, fetches balance from remote endpoint.
* Use getter for a specific wallet to get actual balance.
* Returns void.
* If index is present then fetch only from this specific wallet
*/
fetchWalletBalances = async (index?: number): Promise<void> => {
console.log('fetchWalletBalances for wallet#', typeof index === 'undefined' ? '(all)' : index);
if (index || index === 0) {
let c = 0;
for (const wallet of this.wallets) {
if (c++ === index) {
await wallet.fetchBalance();
}
}
} else {
for (const wallet of this.wallets) {
console.log('fetching balance for', wallet.getLabel());
await wallet.fetchBalance();
}
}
};
/**
* Fetches from remote endpoint all transactions for each wallet.
* Returns void.
* To access transactions - get them from each respective wallet.
* If index is present then fetch only from this specific wallet.
*
* @param index {Integer} Index of the wallet in this.wallets array,
* blank to fetch from all wallets
* @return {Promise.<void>}
*/
fetchWalletTransactions = async (index?: number) => {
console.log('fetchWalletTransactions for wallet#', typeof index === 'undefined' ? '(all)' : index);
if (index || index === 0) {
let c = 0;
for (const wallet of this.wallets) {
if (c++ === index) {
await wallet.fetchTransactions();
if ('fetchPendingTransactions' in wallet) {
await wallet.fetchPendingTransactions();
await wallet.fetchUserInvoices();
}
}
}
} else {
for (const wallet of this.wallets) {
await wallet.fetchTransactions();
if ('fetchPendingTransactions' in wallet) {
await wallet.fetchPendingTransactions();
await wallet.fetchUserInvoices();
}
}
}
};
fetchSenderPaymentCodes = async (index?: number) => {
console.log('fetchSenderPaymentCodes for wallet#', typeof index === 'undefined' ? '(all)' : index);
if (index || index === 0) {
const wallet = this.wallets[index];
try {
if (!(wallet.allowBIP47() && wallet.isBIP47Enabled() && 'fetchBIP47SenderPaymentCodes' in wallet)) return;
await wallet.fetchBIP47SenderPaymentCodes();
} catch (error) {
console.error('Failed to fetch sender payment codes for wallet', index, error);
}
} else {
for (const wallet of this.wallets) {
try {
if (!(wallet.allowBIP47() && wallet.isBIP47Enabled() && 'fetchBIP47SenderPaymentCodes' in wallet)) continue;
await wallet.fetchBIP47SenderPaymentCodes();
} catch (error) {
console.error('Failed to fetch sender payment codes for wallet', wallet.label, error);
}
}
}
};
getWallets = (): TWallet[] => {
return this.wallets;
};
/**
* Getter for all transactions in all wallets.
* But if index is provided - only for wallet with corresponding index
*
* @param index {number|undefined} Wallet index in this.wallets. Empty (or undef) for all wallets.
* @param limit {number} How many txs return, starting from the earliest. Default: all of them.
* @param includeWalletsWithHideTransactionsEnabled {boolean} Wallets' _hideTransactionsInWalletsList property determines wether the user wants this wallet's txs hidden from the main list view.
*/
getTransactions = (
index?: number,
limit: number = Infinity,
includeWalletsWithHideTransactionsEnabled: boolean = false,
): ExtendedTransaction[] => {
if (index || index === 0) {
let txs: Transaction[] = [];
let c = 0;
for (const wallet of this.wallets) {
if (c++ === index) {
txs = txs.concat(wallet.getTransactions());
const txsRet: ExtendedTransaction[] = [];
const walletID = wallet.getID();
const walletPreferredBalanceUnit = wallet.getPreferredBalanceUnit();
txs.map(tx =>
txsRet.push({
...tx,
walletID,
walletPreferredBalanceUnit,
}),
);
return txsRet;
}
}
}
const txs: ExtendedTransaction[] = [];
for (const wallet of this.wallets.filter(w => includeWalletsWithHideTransactionsEnabled || !w.getHideTransactionsInWalletsList())) {
const walletTransactions: Transaction[] = wallet.getTransactions();
const walletID = wallet.getID();
const walletPreferredBalanceUnit = wallet.getPreferredBalanceUnit();
for (const t of walletTransactions) {
txs.push({
...t,
walletID,
walletPreferredBalanceUnit,
});
}
}
return txs
.sort((a, b) => {
const bTime = new Date(b.received!).getTime();
const aTime = new Date(a.received!).getTime();
return bTime - aTime;
})
.slice(0, limit);
};
/**
* Getter for a sum of all balances of all wallets
*/
getBalance = (): number => {
let finalBalance = 0;
for (const wal of this.wallets) {
finalBalance += wal.getBalance();
}
return finalBalance;
};
isAdvancedModeEnabled = async (): Promise<boolean> => {
try {
return !!(await AsyncStorage.getItem(BlueApp.ADVANCED_MODE_ENABLED));
} catch (_) {}
return false;
};
setIsAdvancedModeEnabled = async (value: boolean) => {
await AsyncStorage.setItem(BlueApp.ADVANCED_MODE_ENABLED, value ? '1' : '');
};
isHandoffEnabled = async (): Promise<boolean> => {
try {
return !!(await AsyncStorage.getItem(BlueApp.HANDOFF_STORAGE_KEY));
} catch (_) {}
return false;
};
setIsHandoffEnabled = async (value: boolean): Promise<void> => {
await AsyncStorage.setItem(BlueApp.HANDOFF_STORAGE_KEY, value ? '1' : '');
};
isDoNotTrackEnabled = async (): Promise<boolean> => {
try {
const keyExists = await AsyncStorage.getItem(BlueApp.DO_NOT_TRACK);
if (keyExists !== null) {
const doNotTrackValue = !!keyExists;
if (doNotTrackValue) {
await DefaultPreference.setName('group.io.bluewallet.bluewallet');
await DefaultPreference.set(BlueApp.DO_NOT_TRACK, '1');
AsyncStorage.removeItem(BlueApp.DO_NOT_TRACK);
} else {
return Boolean(await DefaultPreference.get(BlueApp.DO_NOT_TRACK));
}
}
} catch (_) {}
const doNotTrackValue = await DefaultPreference.get(BlueApp.DO_NOT_TRACK);
return doNotTrackValue === '1' || false;
};
setDoNotTrack = async (value: boolean) => {
await DefaultPreference.setName('group.io.bluewallet.bluewallet');
if (value) {
await DefaultPreference.set(BlueApp.DO_NOT_TRACK, '1');
} else {
await DefaultPreference.clear(BlueApp.DO_NOT_TRACK);
}
};
/**
* Simple async sleeper function
*/
sleep = (ms: number): Promise<void> => {
return new Promise(resolve => setTimeout(resolve, ms));
};
purgeRealmKeyValueFile() {
const path = 'keyvalue.realm';
return Realm.deleteFile({
path,
});
}
async moveRealmFilesToCacheDirectory() {
const documentPath = RNFS.DocumentDirectoryPath; // Path to documentPath folder
const cachePath = RNFS.CachesDirectoryPath; // Path to cachePath folder
try {
if (!(await RNFS.exists(documentPath))) return; // If the documentPath directory does not exist, return (nothing to move)
const files = await RNFS.readDir(documentPath); // Read all files in documentPath directory
if (Array.isArray(files) && files.length === 0) return; // If there are no files, return (nothing to move)
const appRealmFiles = files.filter(
file => file.name.endsWith('.realm') || file.name.endsWith('.realm.lock') || file.name.includes('.realm.management'),
);
for (const file of appRealmFiles) {
const filePath = `${documentPath}/${file.name}`;
const newFilePath = `${cachePath}/${file.name}`;
const fileExists = await RNFS.exists(filePath); // Check if the file exists
const cacheFileExists = await RNFS.exists(newFilePath); // Check if the file already exists in the cache directory
if (fileExists) {
if (cacheFileExists) {
await RNFS.unlink(newFilePath); // Delete the file in the cache directory if it exists
console.log(`Existing file removed from cache: ${newFilePath}`);
}
await RNFS.moveFile(filePath, newFilePath); // Move the file
console.log(`Moved Realm file: ${filePath} to ${newFilePath}`);
} else {
console.log(`File does not exist: ${filePath}`);
}
}
} catch (error) {
console.error('Error moving Realm files:', error);
throw new Error(`Error moving Realm files: ${(error as Error).message}`);
}
}
}