Examples with ECKey com.sparrowwallet.drongo.crypto.ECKey used on opensource projects

Example 21 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project sparrow by sparrowwallet.

the class PayNymService method getSignature.

public String getSignature(Wallet wallet, String authToken) {
    Wallet masterWallet = wallet.isMasterWallet() ? wallet : wallet.getMasterWallet();
    Keystore keystore = masterWallet.getKeystores().get(0);
    List<ChildNumber> derivation = keystore.getKeyDerivation().getDerivation();
    ChildNumber derivationStart = derivation.isEmpty() ? ChildNumber.ZERO_HARDENED : derivation.get(derivation.size() - 1);
    ECKey notificationPrivKey = keystore.getBip47ExtendedPrivateKey().getKey(List.of(derivationStart, new ChildNumber(0)));
    return notificationPrivKey.signMessage(authToken, ScriptType.P2PKH);
}

Example 22 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project sparrow by sparrowwallet.

the class PaymentController method getRecipientAddress.

private Address getRecipientAddress() throws InvalidAddressException {
    if (payNymProperty.get() == null) {
        return Address.fromString(address.getText());
    }
    try {
        Wallet recipientBip47Wallet = getWalletForPayNym(payNymProperty.get());
        if (recipientBip47Wallet != null) {
            WalletNode sendNode = recipientBip47Wallet.getFreshNode(KeyPurpose.SEND);
            ECKey pubKey = sendNode.getPubKey();
            Address address = recipientBip47Wallet.getScriptType().getAddress(pubKey);
            if (sendController.getPaymentTabs().getTabs().size() > 1 || (getRecipientValueSats() != null && getRecipientValueSats() > getRecipientDustThreshold(address)) || maxButton.isSelected()) {
                return address;
            }
        }
    } catch (InvalidPaymentCodeException e) {
        log.error("Error creating payment code from PayNym", e);
    }
    return new PayNymAddress(payNymProperty.get());
}

Example 23 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project sparrow by sparrowwallet.

the class PayNymController method broadcastNotificationTransaction.

private void broadcastNotificationTransaction(Wallet decryptedWallet, WalletTransaction walletTransaction, PaymentCode paymentCode, PayNym payNym) {
    try {
        PaymentCode externalPaymentCode = payNym.paymentCode();
        WalletNode input0Node = walletTransaction.getSelectedUtxos().entrySet().iterator().next().getValue();
        Keystore keystore = input0Node.getWallet().isNested() ? decryptedWallet.getChildWallet(input0Node.getWallet().getName()).getKeystores().get(0) : decryptedWallet.getKeystores().get(0);
        ECKey input0Key = keystore.getKey(input0Node);
        TransactionOutPoint input0Outpoint = walletTransaction.getTransaction().getInputs().iterator().next().getOutpoint();
        SecretPoint secretPoint = new SecretPoint(input0Key.getPrivKeyBytes(), externalPaymentCode.getNotificationKey().getPubKey());
        byte[] blindingMask = PaymentCode.getMask(secretPoint.ECDHSecretAsBytes(), input0Outpoint.bitcoinSerialize());
        byte[] blindedPaymentCode = PaymentCode.blind(paymentCode.getPayload(), blindingMask);
        WalletTransaction finalWalletTx = getWalletTransaction(decryptedWallet, payNym, blindedPaymentCode, walletTransaction.getSelectedUtxos().keySet());
        PSBT psbt = finalWalletTx.createPSBT();
        decryptedWallet.sign(psbt);
        decryptedWallet.finalise(psbt);
        Transaction transaction = psbt.extractTransaction();
        ElectrumServer.BroadcastTransactionService broadcastTransactionService = new ElectrumServer.BroadcastTransactionService(transaction);
        broadcastTransactionService.setOnSucceeded(successEvent -> {
            ElectrumServer.TransactionMempoolService transactionMempoolService = new ElectrumServer.TransactionMempoolService(walletTransaction.getWallet(), transaction.getTxId(), new HashSet<>(walletTransaction.getSelectedUtxos().values()));
            transactionMempoolService.setDelay(Duration.seconds(2));
            transactionMempoolService.setPeriod(Duration.seconds(5));
            transactionMempoolService.setRestartOnFailure(false);
            transactionMempoolService.setOnSucceeded(mempoolWorkerStateEvent -> {
                Set<String> scriptHashes = transactionMempoolService.getValue();
                if (!scriptHashes.isEmpty()) {
                    transactionMempoolService.cancel();
                    List<Wallet> addedWallets = addChildWallets(payNym, externalPaymentCode);
                    Wallet masterWallet = getMasterWallet();
                    Storage storage = AppServices.get().getOpenWallets().get(masterWallet);
                    EventManager.get().post(new ChildWalletsAddedEvent(storage, masterWallet, addedWallets));
                    retrievePayNymProgress.setVisible(false);
                    followingList.refresh();
                    BlockTransaction blockTransaction = walletTransaction.getWallet().getWalletTransaction(transaction.getTxId());
                    if (blockTransaction != null && blockTransaction.getLabel() == null) {
                        blockTransaction.setLabel("Link " + payNym.nymName());
                        TransactionEntry transactionEntry = new TransactionEntry(walletTransaction.getWallet(), blockTransaction, Collections.emptyMap(), Collections.emptyMap());
                        EventManager.get().post(new WalletEntryLabelsChangedEvent(walletTransaction.getWallet(), List.of(transactionEntry)));
                    }
                }
                if (transactionMempoolService.getIterationCount() > 5 && transactionMempoolService.isRunning()) {
                    transactionMempoolService.cancel();
                    retrievePayNymProgress.setVisible(false);
                    followingList.refresh();
                    log.error("Timeout searching for broadcasted notification transaction");
                    AppServices.showErrorDialog("Timeout searching for broadcasted transaction", "The transaction was broadcast but the server did not register it in the mempool. It is safe to try linking again.");
                }
            });
            transactionMempoolService.setOnFailed(mempoolWorkerStateEvent -> {
                transactionMempoolService.cancel();
                log.error("Error searching for broadcasted notification transaction", mempoolWorkerStateEvent.getSource().getException());
                retrievePayNymProgress.setVisible(false);
                followingList.refresh();
                AppServices.showErrorDialog("Timeout searching for broadcasted transaction", "The transaction was broadcast but the server did not register it in the mempool. It is safe to try linking again.");
            });
            transactionMempoolService.start();
        });
        broadcastTransactionService.setOnFailed(failedEvent -> {
            log.error("Error broadcasting notification transaction", failedEvent.getSource().getException());
            retrievePayNymProgress.setVisible(false);
            followingList.refresh();
            AppServices.showErrorDialog("Error broadcasting notification transaction", failedEvent.getSource().getException().getMessage());
        });
        retrievePayNymProgress.setVisible(true);
        notificationTransactions.put(transaction.getTxId(), payNym);
        broadcastTransactionService.start();
    } catch (Exception e) {
        log.error("Error creating notification transaction", e);
        retrievePayNymProgress.setVisible(false);
        followingList.refresh();
        AppServices.showErrorDialog("Error creating notification transaction", e.getMessage());
    }
}

Example 24 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project sparrow by sparrowwallet.

the class InputController method describeScriptChunk.

@Override
protected String describeScriptChunk(ScriptChunk chunk) {
    String chunkString = super.describeScriptChunk(chunk);
    ECKey pubKey = null;
    if (chunk.isSignature()) {
        if (inputForm.getPsbtInput() != null) {
            TransactionSignature signature = chunk.getSignature();
            pubKey = inputForm.getPsbtInput().getKeyForSignature(signature);
        }
    } else if (chunk.isPubKey()) {
        pubKey = chunk.getPubKey();
    }
    if (inputForm.getPsbtInput() != null) {
        KeyDerivation derivation = inputForm.getPsbtInput().getKeyDerivation(pubKey);
        if (derivation != null) {
            return "[" + derivation.toString() + "] " + chunkString;
        }
    }
    return chunkString;
}

Example 25 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project sparrow by sparrowwallet.

the class VersionCheckService method verifySignature.

private boolean verifySignature(VersionCheck versionCheck) {
    try {
        for (String addressString : versionCheck.signatures.keySet()) {
            if (!addressString.equals("1LiJx1HQ49L2LzhBwbgwXdHiGodvPg5YaV")) {
                log.warn("Invalid address for version check " + addressString);
                continue;
            }
            String signature = versionCheck.signatures.get(addressString);
            ECKey signedMessageKey = ECKey.signedMessageToKey(versionCheck.version, signature, false);
            Address providedAddress = Address.fromString(addressString);
            Address signedMessageAddress = ScriptType.P2PKH.getAddress(signedMessageKey);
            if (providedAddress.equals(signedMessageAddress)) {
                return true;
            } else {
                log.warn("Invalid signature for version check " + signature + " from address " + addressString);
            }
        }
    } catch (SignatureException e) {
        log.error("Error in version check signature", e);
    } catch (InvalidAddressException e) {
        log.error("Error in version check address", e);
    }
    return false;
}