@Override
public byte[] serializeWalletExtension() {
lock.lock();
try {
ClientState.StoredClientPaymentChannels.Builder builder =
ClientState.StoredClientPaymentChannels.newBuilder();
for (StoredClientChannel channel : mapChannels.values()) {
// First a few asserts to make sure things won't break
checkState(
channel.valueToMe.signum() >= 0
&& channel.valueToMe.compareTo(NetworkParameters.MAX_MONEY) < 0);
checkState(
channel.refundFees.signum() >= 0
&& channel.refundFees.compareTo(NetworkParameters.MAX_MONEY) < 0);
checkNotNull(channel.myKey.getPubKey());
checkState(channel.refund.getConfidence().getSource() == TransactionConfidence.Source.SELF);
final ClientState.StoredClientPaymentChannel.Builder value =
ClientState.StoredClientPaymentChannel.newBuilder()
.setId(ByteString.copyFrom(channel.id.getBytes()))
.setContractTransaction(ByteString.copyFrom(channel.contract.bitcoinSerialize()))
.setRefundTransaction(ByteString.copyFrom(channel.refund.bitcoinSerialize()))
.setMyKey(
ByteString.copyFrom(new byte[0])) // Not used, but protobuf message requires
.setMyPublicKey(ByteString.copyFrom(channel.myKey.getPubKey()))
.setValueToMe(channel.valueToMe.value)
.setRefundFees(channel.refundFees.value);
if (channel.close != null)
value.setCloseTransactionHash(ByteString.copyFrom(channel.close.getHash().getBytes()));
builder.addChannels(value);
}
return builder.build().toByteArray();
} finally {
lock.unlock();
}
}
@Override
public void deserializeWalletExtension(Wallet containingWallet, byte[] data) throws Exception {
lock.lock();
try {
checkState(this.containingWallet == null || this.containingWallet == containingWallet);
this.containingWallet = containingWallet;
NetworkParameters params = containingWallet.getParams();
ClientState.StoredClientPaymentChannels states =
ClientState.StoredClientPaymentChannels.parseFrom(data);
for (ClientState.StoredClientPaymentChannel storedState : states.getChannelsList()) {
Transaction refundTransaction =
params
.getDefaultSerializer()
.makeTransaction(storedState.getRefundTransaction().toByteArray());
refundTransaction.getConfidence().setSource(TransactionConfidence.Source.SELF);
ECKey myKey =
(storedState.getMyKey().isEmpty())
? containingWallet.findKeyFromPubKey(storedState.getMyPublicKey().toByteArray())
: ECKey.fromPrivate(storedState.getMyKey().toByteArray());
StoredClientChannel channel =
new StoredClientChannel(
Sha256Hash.wrap(storedState.getId().toByteArray()),
params
.getDefaultSerializer()
.makeTransaction(storedState.getContractTransaction().toByteArray()),
refundTransaction,
myKey,
Coin.valueOf(storedState.getValueToMe()),
Coin.valueOf(storedState.getRefundFees()),
false);
if (storedState.hasCloseTransactionHash()) {
Sha256Hash closeTxHash =
Sha256Hash.wrap(storedState.getCloseTransactionHash().toByteArray());
channel.close = containingWallet.getTransaction(closeTxHash);
}
putChannel(channel, false);
}
} finally {
lock.unlock();
}
}