Hi there,
I'm trying to use BitcoinJ for a test application I'm writing. This app
should be able to do two main things:
1) Generate new bitcoin addresses on demand, and
2) Get the unspent outputs for a given address (which will have been
created in step 1).
I can easily do 1) by using `wallet.freshReceiveAddress()`.
I'm struggling with with 2) at the moment. Data should be stored in
Postgres so I can restart the app. My code right now looks like this:
NetworkParameters params = TestNet3Params.get();
PostgresFullPrunedBlockStore blockstore =
new PostgresFullPrunedBlockStore(params, 1000,
"localhost", "blockchain", "postgres", "secret");
Wallet w = new Wallet(params);
// A random address I've found that I know has unspent outputs.
Address a = Address.fromBase58(params, "2N66DDrmjDCMM3yMSYtAQyAqRtasSkFhbmX");
w.addWatchedAddress(a);
BlockChain bc = new BlockChain(params, blockstore);
PeerGroup pg = new PeerGroup(params, bc);
pg.addWallet(w);
w.addChangeEventListener(new WalletChangeEventListener() {
@Override
public void onWalletChanged(Wallet wallet) {
System.out.println("Changed!" + wallet.getBalance());
}
});
System.out.println("New balance: " + w.getBalance());
However, I never see "New balance: <balance>" and the postgres database
rarely gets updated (only a single header is ever stored). I'm not sure if
I'm misunderstanding how to use the FullPrunedBlockStore, so any help would
be massively appreciated!
Thanks
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