@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
NetworkParameters other = (NetworkParameters) o;
return getId().equals(other.getId());
}
public BitcoinCrypto(NetworkParameters networkParameters, DeterministicSeed seed)
throws Exception, NoSuchAlgorithmException {
this.params = NetworkParameters.fromID(networkParameters.getId());
this.keyChainGroup = new KeyChainGroup(networkParameters, seed);
Security.insertProviderAt(new BouncyCastleProvider(), 1);
crashIfJCEMissing();
// this.sr = SecureRandom.getInstance("SHA1PRNG", new BouncyCastleProvider());
this.sr = SecureRandom.getInstance("SHA1PRNG");
this.keyPG = KeyPairGenerator.getInstance("ECIES", new BouncyCastleProvider());
// this.kit = initKit(seed);
// this.wallet = kit.wallet();
}
public static final class Files {
private static final String FILENAME_NETWORK_SUFFIX =
NETWORK_PARAMETERS.getId().equals(NetworkParameters.ID_MAINNET) ? "" : "-testnet";
/** Filename of the wallet. */
public static final String WALLET_FILENAME_PROTOBUF =
"wallet-protobuf" + FILENAME_NETWORK_SUFFIX;
/** Filename of the automatic key backup (old format, can only be read). */
public static final String WALLET_KEY_BACKUP_BASE58 =
"key-backup-base58" + FILENAME_NETWORK_SUFFIX;
/** Filename of the automatic wallet backup. */
public static final String WALLET_KEY_BACKUP_PROTOBUF =
"key-backup-protobuf" + FILENAME_NETWORK_SUFFIX;
/** Path to external storage */
public static final File EXTERNAL_STORAGE_DIR = Environment.getExternalStorageDirectory();
/** Manual backups go here. */
public static final File EXTERNAL_WALLET_BACKUP_DIR =
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
/** Filename of the manual key backup (old format, can only be read). */
public static final String EXTERNAL_WALLET_KEY_BACKUP =
"bitcoin-wallet-keys" + FILENAME_NETWORK_SUFFIX;
/** Filename of the manual wallet backup. */
public static final String EXTERNAL_WALLET_BACKUP =
"bitcoin-wallet-backup" + FILENAME_NETWORK_SUFFIX;
/** Filename of the block store for storing the chain. */
public static final String BLOCKCHAIN_FILENAME = "blockchain" + FILENAME_NETWORK_SUFFIX;
/** Filename of the block checkpoints file. */
public static final String CHECKPOINTS_FILENAME =
"checkpoints" + FILENAME_NETWORK_SUFFIX + ".txt";
}
/** @author Andreas Schildbach */
public final class Constants {
public static final boolean TEST = R.class.getPackage().getName().contains("_test");
/** Network this wallet is on (e.g. testnet or mainnet). */
public static final NetworkParameters NETWORK_PARAMETERS =
TEST ? TestNet3Params.get() : MainNetParams.get();
public static final class Files {
private static final String FILENAME_NETWORK_SUFFIX =
NETWORK_PARAMETERS.getId().equals(NetworkParameters.ID_MAINNET) ? "" : "-testnet";
/** Filename of the wallet. */
public static final String WALLET_FILENAME_PROTOBUF =
"wallet-protobuf" + FILENAME_NETWORK_SUFFIX;
/** Filename of the automatic key backup (old format, can only be read). */
public static final String WALLET_KEY_BACKUP_BASE58 =
"key-backup-base58" + FILENAME_NETWORK_SUFFIX;
/** Filename of the automatic wallet backup. */
public static final String WALLET_KEY_BACKUP_PROTOBUF =
"key-backup-protobuf" + FILENAME_NETWORK_SUFFIX;
/** Path to external storage */
public static final File EXTERNAL_STORAGE_DIR = Environment.getExternalStorageDirectory();
/** Manual backups go here. */
public static final File EXTERNAL_WALLET_BACKUP_DIR =
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
/** Filename of the manual key backup (old format, can only be read). */
public static final String EXTERNAL_WALLET_KEY_BACKUP =
"bitcoin-wallet-keys" + FILENAME_NETWORK_SUFFIX;
/** Filename of the manual wallet backup. */
public static final String EXTERNAL_WALLET_BACKUP =
"bitcoin-wallet-backup" + FILENAME_NETWORK_SUFFIX;
/** Filename of the block store for storing the chain. */
public static final String BLOCKCHAIN_FILENAME = "blockchain" + FILENAME_NETWORK_SUFFIX;
/** Filename of the block checkpoints file. */
public static final String CHECKPOINTS_FILENAME =
"checkpoints" + FILENAME_NETWORK_SUFFIX + ".txt";
}
/** Maximum size of backups. Files larger will be rejected. */
public static final long BACKUP_MAX_CHARS = 10000000;
private static final String BITEASY_API_URL_PROD = "https://api.biteasy.com/blockchain/v1/";
private static final String BITEASY_API_URL_TEST = "https://api.biteasy.com/testnet/v1/";
/** Base URL for blockchain API. */
public static final String BITEASY_API_URL =
NETWORK_PARAMETERS.getId().equals(NetworkParameters.ID_MAINNET)
? BITEASY_API_URL_PROD
: BITEASY_API_URL_TEST;
/** URL to fetch version alerts from. */
public static final String VERSION_URL = "https://wallet.schildbach.de/version";
/** MIME type used for transmitting single transactions. */
public static final String MIMETYPE_TRANSACTION = "application/x-btctx";
/** MIME type used for transmitting wallet backups. */
public static final String MIMETYPE_WALLET_BACKUP = "application/x-bitcoin-wallet-backup";
/** Number of confirmations until a transaction is fully confirmed. */
public static final int MAX_NUM_CONFIRMATIONS = 7;
/** User-agent to use for network access. */
public static final String USER_AGENT = "Bitcoin Wallet";
/** Default currency to use if all default mechanisms fail. */
public static final String DEFAULT_EXCHANGE_CURRENCY = "USD";
/** Donation address for tip/donate action. */
public static final String DONATION_ADDRESS = "18CK5k1gajRKKSC7yVSTXT9LUzbheh1XY4";
/** Recipient e-mail address for reports. */
public static final String REPORT_EMAIL = "*****@*****.**";
/** Subject line for manually reported issues. */
public static final String REPORT_SUBJECT_ISSUE = "Reported issue";
/** Subject line for crash reports. */
public static final String REPORT_SUBJECT_CRASH = "Crash report";
public static final char CHAR_HAIR_SPACE = '\u200a';
public static final char CHAR_THIN_SPACE = '\u2009';
public static final char CHAR_ALMOST_EQUAL_TO = '\u2248';
public static final char CHAR_CHECKMARK = '\u2713';
public static final char CURRENCY_PLUS_SIGN = '\uff0b';
public static final char CURRENCY_MINUS_SIGN = '\uff0d';
public static final String PREFIX_ALMOST_EQUAL_TO =
Character.toString(CHAR_ALMOST_EQUAL_TO) + CHAR_THIN_SPACE;
public static final int ADDRESS_FORMAT_GROUP_SIZE = 4;
public static final int ADDRESS_FORMAT_LINE_SIZE = 12;
public static final MonetaryFormat LOCAL_FORMAT =
new MonetaryFormat().noCode().minDecimals(2).optionalDecimals();
public static final BaseEncoding HEX = BaseEncoding.base16().lowerCase();
public static final String SOURCE_URL = "https://github.com/schildbach/bitcoin-wallet";
public static final String BINARY_URL = "https://github.com/schildbach/bitcoin-wallet/releases";
public static final String MARKET_APP_URL = "market://details?id=%s";
public static final String WEBMARKET_APP_URL = "https://play.google.com/store/apps/details?id=%s";
public static final int HTTP_TIMEOUT_MS = 15 * (int) DateUtils.SECOND_IN_MILLIS;
public static final int PEER_TIMEOUT_MS = 15 * (int) DateUtils.SECOND_IN_MILLIS;
public static final long LAST_USAGE_THRESHOLD_JUST_MS = DateUtils.HOUR_IN_MILLIS;
public static final long LAST_USAGE_THRESHOLD_RECENTLY_MS = 2 * DateUtils.DAY_IN_MILLIS;
public static final int SDK_JELLY_BEAN = 16;
public static final int SDK_JELLY_BEAN_MR2 = 18;
public static final int SDK_LOLLIPOP = 21;
public static final int SDK_DEPRECATED_BELOW = Build.VERSION_CODES.ICE_CREAM_SANDWICH;
public static final boolean BUG_OPENSSL_HEARTBLEED =
Build.VERSION.SDK_INT == Constants.SDK_JELLY_BEAN
&& Build.VERSION.RELEASE.startsWith("4.1.1");
public static final int MEMORY_CLASS_LOWEND = 48;
}
/**
* Loads wallet data from the given protocol buffer and inserts it into the given Wallet object.
* This is primarily useful when you wish to pre-register extension objects. Note that if loading
* fails the provided Wallet object may be in an indeterminate state and should be thrown away.
*
* <p>A wallet can be unreadable for various reasons, such as inability to open the file, corrupt
* data, internally inconsistent data, a wallet extension marked as mandatory that cannot be
* handled and so on. You should always handle {@link UnreadableWalletException} and communicate
* failure to the user in an appropriate manner.
*
* @throws UnreadableWalletException thrown in various error conditions (see description).
*/
public Wallet readWallet(
NetworkParameters params, @Nullable WalletExtension[] extensions, Protos.Wallet walletProto)
throws UnreadableWalletException {
if (walletProto.getVersion() > 1) throw new UnreadableWalletException.FutureVersion();
if (!walletProto.getNetworkIdentifier().equals(params.getId()))
throw new UnreadableWalletException.WrongNetwork();
int sigsRequiredToSpend = walletProto.getSigsRequiredToSpend();
// Read the scrypt parameters that specify how encryption and decryption is performed.
KeyChainGroup chain;
if (walletProto.hasEncryptionParameters()) {
Protos.ScryptParameters encryptionParameters = walletProto.getEncryptionParameters();
final KeyCrypterScrypt keyCrypter = new KeyCrypterScrypt(encryptionParameters);
chain =
KeyChainGroup.fromProtobufEncrypted(
params, walletProto.getKeyList(), sigsRequiredToSpend, keyCrypter);
} else {
chain =
KeyChainGroup.fromProtobufUnencrypted(
params, walletProto.getKeyList(), sigsRequiredToSpend);
}
Wallet wallet = factory.create(params, chain);
List<Script> scripts = Lists.newArrayList();
for (Protos.Script protoScript : walletProto.getWatchedScriptList()) {
try {
Script script =
new Script(
protoScript.getProgram().toByteArray(), protoScript.getCreationTimestamp() / 1000);
scripts.add(script);
} catch (ScriptException e) {
throw new UnreadableWalletException("Unparseable script in wallet");
}
}
wallet.addWatchedScripts(scripts);
if (walletProto.hasDescription()) {
wallet.setDescription(walletProto.getDescription());
}
// Read all transactions and insert into the txMap.
for (Protos.Transaction txProto : walletProto.getTransactionList()) {
readTransaction(txProto, wallet.getParams());
}
// Update transaction outputs to point to inputs that spend them
for (Protos.Transaction txProto : walletProto.getTransactionList()) {
WalletTransaction wtx = connectTransactionOutputs(txProto);
wallet.addWalletTransaction(wtx);
}
// Update the lastBlockSeenHash.
if (!walletProto.hasLastSeenBlockHash()) {
wallet.setLastBlockSeenHash(null);
} else {
wallet.setLastBlockSeenHash(byteStringToHash(walletProto.getLastSeenBlockHash()));
}
if (!walletProto.hasLastSeenBlockHeight()) {
wallet.setLastBlockSeenHeight(-1);
} else {
wallet.setLastBlockSeenHeight(walletProto.getLastSeenBlockHeight());
}
// Will default to zero if not present.
wallet.setLastBlockSeenTimeSecs(walletProto.getLastSeenBlockTimeSecs());
if (walletProto.hasKeyRotationTime()) {
wallet.setKeyRotationTime(new Date(walletProto.getKeyRotationTime() * 1000));
}
loadExtensions(wallet, extensions != null ? extensions : new WalletExtension[0], walletProto);
for (Protos.Tag tag : walletProto.getTagsList()) {
wallet.setTag(tag.getTag(), tag.getData());
}
for (Protos.TransactionSigner signerProto : walletProto.getTransactionSignersList()) {
try {
Class signerClass = Class.forName(signerProto.getClassName());
TransactionSigner signer = (TransactionSigner) signerClass.newInstance();
signer.deserialize(signerProto.getData().toByteArray());
wallet.addTransactionSigner(signer);
} catch (Exception e) {
throw new UnreadableWalletException(
"Unable to deserialize TransactionSigner instance: " + signerProto.getClassName(), e);
}
}
if (walletProto.hasVersion()) {
wallet.setVersion(walletProto.getVersion());
}
// Make sure the object can be re-used to read another wallet without corruption.
txMap.clear();
return wallet;
}
private void doMigrateFrom_v1_0_262(Context context, NetworkParameters migrationParams)
throws IOException {
Log.d(TAG, "********* MIGRATION FROM v1.0.262 - " + migrationParams.getId() + "*********");
final File rootDir = context.getFilesDir();
final File storageDir;
final File archiveDir = new File(rootDir, "archive_" + System.currentTimeMillis());
final File walletFile;
final File chainFile;
final File newWalletFile;
final File newChainFile;
if (ClientUtils.isMainNet(migrationParams)) {
String walletFilesPrefix = AppConfig.MainNetConfig.get().getWalletFilesPrefix();
storageDir = new File(rootDir, "mainnet_wallet__uuid_object_storage");
walletFile = new File(rootDir, "mainnet_wallet_.wallet");
newWalletFile = new File(rootDir, walletFilesPrefix + ".wallet");
chainFile = new File(rootDir, "mainnet_wallet_.spvchain");
newChainFile = new File(rootDir, walletFilesPrefix + ".spvchain");
} else if (ClientUtils.isTestNet(migrationParams)) {
String walletFilesPrefix = AppConfig.TestNetConfig.get().getWalletFilesPrefix();
storageDir = new File(rootDir, "testnet_wallet__uuid_object_storage");
walletFile = new File(rootDir, "testnet_wallet_.wallet");
newWalletFile = new File(rootDir, walletFilesPrefix + ".wallet");
chainFile = new File(rootDir, "testnet_wallet_.spvchain");
newChainFile = new File(rootDir, walletFilesPrefix + ".spvchain");
} else {
throw new RuntimeException(
"Network params not supported (unknown): " + migrationParams.toString());
}
final File keyFile = new File(storageDir, "ECKeyWrapper.json");
if (keyFile.exists() && walletFile.exists()) {
// Keys: stored in ECKeyWrapper.json
/* Key format (JSON):
{
"...uuid1...": {
"isPublicOnly": true,
"keyPayload": [...bytes (integers)...],
"name": "remote_server_public_key",
"uuid": "...uuid1..."
},
"...uuid2...": {
"isPublicOnly": false,
"keyPayload": [...bytes (integers)...],
"name": "remote_client_public_key",
"uuid": "...uuid2..."
}
}
*/
Log.d(TAG, "Key file found: " + keyFile);
String keyFileJson = FileUtils.readFileToString(keyFile);
Type type = new TypeToken<Map<String, ECKeyWrapper>>() {}.getType();
// Note: do not use gson from serializeutils (key is not stored in base64).
Map<String, ECKeyWrapper> keys = new Gson().fromJson(keyFileJson, type);
ECKey serverKey = null;
ECKey clientKey = null;
for (ECKeyWrapper key : keys.values()) {
if (key.isPublicOnly && key.name.equals("remote_server_public_key")) {
serverKey = ECKey.fromPublicOnly(key.keyPayload);
} else if (!key.isPublicOnly && key.name.equals("remote_client_public_key")) {
clientKey = ECKey.fromPrivate(key.keyPayload);
} else {
Log.d(TAG, "Unknown key name: " + key.name);
}
}
if (clientKey != null && serverKey != null) {
Log.d(TAG, "Found client and server keys - store in shared preferences.");
try {
/** ******** Actual Migration Code ********* */
SharedPrefUtils.setClientKey(context, migrationParams, clientKey);
SharedPrefUtils.setServerKey(context, migrationParams, serverKey, "n/a - migration");
Log.d(
TAG,
"Migrated keys:"
+ " clientPubKey="
+ clientKey.getPublicKeyAsHex()
+ ", serverPubKey="
+ serverKey.getPublicKeyAsHex());
// move wallet file
Log.d(
TAG,
"Migrate wallet file: " + walletFile.toString() + " -> " + newWalletFile.toString());
FileUtils.copyFile(walletFile, newWalletFile);
Log.d(
TAG,
"Migrate chain file: " + chainFile.toString() + " -> " + newChainFile.toString());
FileUtils.copyFile(chainFile, newChainFile);
SharedPrefUtils.enableMultisig2of2ToCltvForwarder(context);
// move everything to an archive file.
Log.d(TAG, "Move old files to archive dir: " + archiveDir.toString());
FileUtils.moveToDirectory(storageDir, archiveDir, true);
FileUtils.moveToDirectory(walletFile, archiveDir, true);
FileUtils.moveToDirectory(chainFile, archiveDir, true);
} catch (Exception e) {
Log.d(TAG, "Exception: ", e);
// clear the changes made.
SharedPrefUtils.setClientKey(context, migrationParams, null);
SharedPrefUtils.setServerKey(context, migrationParams, null, "");
if (newWalletFile.exists()) {
newWalletFile.delete();
}
}
}
} else {
Log.d(
TAG,
"Key file or wallet file not found - no migration required - "
+ String.format(
"keyFile: %s (exists: %s), walletFile: %s (exists: %s)",
keyFile.toString(),
keyFile.exists(),
walletFile.toString(),
walletFile.exists()));
}
Log.d(TAG, "********* MIGRATION FROM v1.0.262 FINISHED *********");
}
