@Test
public void empty() throws Exception {
// Check the base case of a wallet with one key and no transactions.
Wallet wallet1 = roundTrip(myWallet);
assertEquals(0, wallet1.getTransactions(true).size());
assertEquals(Coin.ZERO, wallet1.getBalance());
assertArrayEquals(
myKey.getPubKey(), wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getPubKey());
assertArrayEquals(
myKey.getPrivKeyBytes(),
wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getPrivKeyBytes());
assertEquals(
myKey.getCreationTimeSeconds(),
wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getCreationTimeSeconds());
assertEquals(mScriptCreationTime, wallet1.getWatchedScripts().get(0).getCreationTimeSeconds());
assertEquals(1, wallet1.getWatchedScripts().size());
assertEquals(
ScriptBuilder.createOutputScript(myWatchedKey.toAddress(params)),
wallet1.getWatchedScripts().get(0));
assertEquals(WALLET_DESCRIPTION, wallet1.getDescription());
}
/**
* Converts the given wallet to the object representation of the protocol buffers. This can be
* modified, or additional data fields set, before serialization takes place.
*/
public Protos.Wallet walletToProto(Wallet wallet) {
Protos.Wallet.Builder walletBuilder = Protos.Wallet.newBuilder();
walletBuilder.setNetworkIdentifier(wallet.getNetworkParameters().getId());
if (wallet.getDescription() != null) {
walletBuilder.setDescription(wallet.getDescription());
}
for (WalletTransaction wtx : wallet.getWalletTransactions()) {
Protos.Transaction txProto = makeTxProto(wtx);
walletBuilder.addTransaction(txProto);
}
walletBuilder.addAllKey(wallet.serializeKeychainToProtobuf());
for (Script script : wallet.getWatchedScripts()) {
Protos.Script protoScript =
Protos.Script.newBuilder()
.setProgram(ByteString.copyFrom(script.getProgram()))
.setCreationTimestamp(script.getCreationTimeSeconds() * 1000)
.build();
walletBuilder.addWatchedScript(protoScript);
}
// Populate the lastSeenBlockHash field.
Sha256Hash lastSeenBlockHash = wallet.getLastBlockSeenHash();
if (lastSeenBlockHash != null) {
walletBuilder.setLastSeenBlockHash(hashToByteString(lastSeenBlockHash));
walletBuilder.setLastSeenBlockHeight(wallet.getLastBlockSeenHeight());
}
if (wallet.getLastBlockSeenTimeSecs() > 0)
walletBuilder.setLastSeenBlockTimeSecs(wallet.getLastBlockSeenTimeSecs());
// Populate the scrypt parameters.
KeyCrypter keyCrypter = wallet.getKeyCrypter();
if (keyCrypter == null) {
// The wallet is unencrypted.
walletBuilder.setEncryptionType(EncryptionType.UNENCRYPTED);
} else {
// The wallet is encrypted.
walletBuilder.setEncryptionType(keyCrypter.getUnderstoodEncryptionType());
if (keyCrypter instanceof KeyCrypterScrypt) {
KeyCrypterScrypt keyCrypterScrypt = (KeyCrypterScrypt) keyCrypter;
walletBuilder.setEncryptionParameters(keyCrypterScrypt.getScryptParameters());
} else {
// Some other form of encryption has been specified that we do not know how to persist.
throw new RuntimeException(
"The wallet has encryption of type '"
+ keyCrypter.getUnderstoodEncryptionType()
+ "' but this WalletProtobufSerializer does not know how to persist this.");
}
}
if (wallet.getKeyRotationTime() != null) {
long timeSecs = wallet.getKeyRotationTime().getTime() / 1000;
walletBuilder.setKeyRotationTime(timeSecs);
}
populateExtensions(wallet, walletBuilder);
for (Map.Entry<String, ByteString> entry : wallet.getTags().entrySet()) {
Protos.Tag.Builder tag =
Protos.Tag.newBuilder().setTag(entry.getKey()).setData(entry.getValue());
walletBuilder.addTags(tag);
}
for (TransactionSigner signer : wallet.getTransactionSigners()) {
// do not serialize LocalTransactionSigner as it's being added implicitly
if (signer instanceof LocalTransactionSigner) continue;
Protos.TransactionSigner.Builder protoSigner = Protos.TransactionSigner.newBuilder();
protoSigner.setClassName(signer.getClass().getName());
protoSigner.setData(ByteString.copyFrom(signer.serialize()));
walletBuilder.addTransactionSigners(protoSigner);
}
walletBuilder.setSigsRequiredToSpend(wallet.getSigsRequiredToSpend());
// Populate the wallet version.
walletBuilder.setVersion(wallet.getVersion());
return walletBuilder.build();
}