Hello!
I have a addCoinsReceivedEventListener which is invoked whenever I send
Bitcoin to the correct address via bitcoin-cli (using a call like
`bitcoin-cli -regtest sendtoaddress 2MwnQZ9zqU7hH9h4DVWiudGeuPS1GbQRGrx 1`):
kit.wallet().addCoinsReceivedEventListener((wallet, tx, prevBalance,
newBalance) -> {
// I want to read transaction comment here
});
I want to be able to add a comment to a transaction.
When I send Bitcoin, I use this command:
bitcoin-cli -regtest sendtoaddress 2MwnQZ9zqU7hH9h4DVWiudGeuPS1GbQRGrx 1
"Comment 4"
Questions:
1. Is it possible to read the comment ("Comment 4" in this case) in the
addCoinsReceivedEventListener? If yes, how?
2. Am using the correct bitcoin-cli command to send Bitcoin with comment?
Thanks in advance
Dmitrii Pisarenko
P. S.: Below you can find the full source code of the wallet listener.
import org.bitcoinj.core.Address;
import org.bitcoinj.core.Coin;
import org.bitcoinj.kits.WalletAppKit;
import org.bitcoinj.utils.BriefLogFormatter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import java.io.File;
import java.util.Optional;
@Component
public class WalletObserver {
@Autowired
ClojureService clojureService;
@Value("${accounts.btc.exchange.address}")
String exchangeAddress;
@PostConstruct
public void init() {
BriefLogFormatter.init();
final LocalTestNetParams netParams = new LocalTestNetParams();
netParams.setPort(18444);
try {
final WalletAppKit kit = new WalletAppKit(netParams, new
File("."), "_minimalCryptoExchangeBtcWallet");
kit.connectToLocalHost();
kit.startAsync();
kit.awaitRunning();
kit.wallet().addWatchedAddress(Address.fromString(netParams,
exchangeAddress));
kit.wallet().addCoinsReceivedEventListener((wallet, tx,
prevBalance, newBalance) -> {
// I want to read transaction comment here
});
}
catch (Exception exception) {
exception.printStackTrace();
}
}
}
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