Examples with Coin org.bitcoinj.core.Coin used on opensource projects

Example 21 with Coin

use of org.bitcoinj.core.Coin in project bitsquare by bitsquare.

the class SetupDepositBalanceListener method run.

@Override
protected void run() {
    try {
        runInterceptHook();
        WalletService walletService = processModel.getWalletService();
        Address address = walletService.getOrCreateAddressEntry(trade.getId(), AddressEntry.Context.RESERVED_FOR_TRADE).getAddress();
        balanceListener = new BalanceListener(address) {

            @Override
            public void onBalanceChanged(Coin balance, Transaction tx) {
                updateBalance(balance);
            }
        };
        walletService.addBalanceListener(balanceListener);
        tradeStateSubscription = EasyBind.subscribe(trade.stateProperty(), newValue -> {
            log.debug("tradeStateSubscription newValue " + newValue);
            if (newValue == Trade.State.OFFERER_RECEIVED_DEPOSIT_TX_PUBLISHED_MSG || newValue == Trade.State.DEPOSIT_SEEN_IN_NETWORK) {
                walletService.removeBalanceListener(balanceListener);
                UserThread.execute(this::unSubscribe);
            }
        });
        updateBalance(walletService.getBalanceForAddress(address));
        // we complete immediately, our object stays alive because the balanceListener is stored in the WalletService
        complete();
    } catch (Throwable t) {
        failed(t);
    }
}

Example 22 with Coin

use of org.bitcoinj.core.Coin in project bitsquare by bitsquare.

the class OffererCreatesAndSignsDepositTxAsSeller method run.

@Override
protected void run() {
    try {
        runInterceptHook();
        checkNotNull(trade.getTradeAmount(), "trade.getTradeAmount() must not be null");
        Offer offer = trade.getOffer();
        Coin sellerInputAmount = FeePolicy.getSecurityDeposit(offer).add(FeePolicy.getFixedTxFeeForTrades(offer)).add(trade.getTradeAmount());
        Coin msOutputAmount = sellerInputAmount.add(FeePolicy.getSecurityDeposit(offer));
        log.debug("\n\n------------------------------------------------------------\n" + "Contract as json\n" + trade.getContractAsJson() + "\n------------------------------------------------------------\n");
        byte[] contractHash = Hash.getHash(trade.getContractAsJson());
        trade.setContractHash(contractHash);
        WalletService walletService = processModel.getWalletService();
        String id = processModel.getOffer().getId();
        AddressEntry offererAddressEntry = walletService.getOrCreateAddressEntry(id, AddressEntry.Context.RESERVED_FOR_TRADE);
        AddressEntry sellerMultiSigAddressEntry = walletService.getOrCreateAddressEntry(id, AddressEntry.Context.MULTI_SIG);
        sellerMultiSigAddressEntry.setCoinLockedInMultiSig(sellerInputAmount.subtract(FeePolicy.getFixedTxFeeForTrades(offer)));
        Address changeAddress = walletService.getOrCreateAddressEntry(AddressEntry.Context.AVAILABLE).getAddress();
        PreparedDepositTxAndOffererInputs result = processModel.getTradeWalletService().offererCreatesAndSignsDepositTx(false, contractHash, sellerInputAmount, msOutputAmount, processModel.tradingPeer.getRawTransactionInputs(), processModel.tradingPeer.getChangeOutputValue(), processModel.tradingPeer.getChangeOutputAddress(), offererAddressEntry.getAddress(), changeAddress, processModel.tradingPeer.getMultiSigPubKey(), sellerMultiSigAddressEntry.getPubKey(), trade.getArbitratorPubKey());
        processModel.setPreparedDepositTx(result.depositTransaction);
        processModel.setRawTransactionInputs(result.rawOffererInputs);
        complete();
    } catch (Throwable t) {
        failed(t);
    }
}

Example 23 with Coin

use of org.bitcoinj.core.Coin in project bitsquare by bitsquare.

the class TakerCreatesDepositTxInputsAsSeller method run.

@Override
protected void run() {
    try {
        runInterceptHook();
        if (trade.getTradeAmount() != null) {
            Offer offer = trade.getOffer();
            Coin takerInputAmount = FeePolicy.getSecurityDeposit(offer).add(FeePolicy.getFixedTxFeeForTrades(offer)).add(trade.getTradeAmount());
            WalletService walletService = processModel.getWalletService();
            AddressEntry takersAddressEntry = walletService.getOrCreateAddressEntry(processModel.getOffer().getId(), AddressEntry.Context.RESERVED_FOR_TRADE);
            Address changeAddress = walletService.getOrCreateAddressEntry(AddressEntry.Context.AVAILABLE).getAddress();
            InputsAndChangeOutput result = processModel.getTradeWalletService().takerCreatesDepositsTxInputs(takerInputAmount, takersAddressEntry.getAddress(), changeAddress);
            processModel.setRawTransactionInputs(result.rawTransactionInputs);
            processModel.setChangeOutputValue(result.changeOutputValue);
            processModel.setChangeOutputAddress(result.changeOutputAddress);
            complete();
        } else {
            failed("trade.getTradeAmount() = null");
        }
    } catch (Throwable t) {
        failed(t);
    }
}

Example 24 with Coin

use of org.bitcoinj.core.Coin in project bitsquare by bitsquare.

the class MainViewModel method updateReservedBalance.

private void updateReservedBalance() {
    Coin sum = Coin.valueOf(openOfferManager.getOpenOffers().stream().map(openOffer -> {
        Address address = walletService.getOrCreateAddressEntry(openOffer.getId(), AddressEntry.Context.RESERVED_FOR_TRADE).getAddress();
        return walletService.getBalanceForAddress(address);
    }).mapToLong(Coin::getValue).sum());
    reservedBalance.set(formatter.formatCoinWithCode(sum));
}

Example 25 with Coin

use of org.bitcoinj.core.Coin in project bitsquare by bitsquare.

the class MainViewModel method onAllServicesInitialized.

private void onAllServicesInitialized() {
    Log.traceCall();
    clock.start();
    // disputeManager
    disputeManager.onAllServicesInitialized();
    disputeManager.getDisputesAsObservableList().addListener((ListChangeListener<Dispute>) change -> {
        change.next();
        onDisputesChangeListener(change.getAddedSubList(), change.getRemoved());
    });
    onDisputesChangeListener(disputeManager.getDisputesAsObservableList(), null);
    // tradeManager
    tradeManager.onAllServicesInitialized();
    tradeManager.getTrades().addListener((ListChangeListener<Trade>) c -> updateBalance());
    tradeManager.getTrades().addListener((ListChangeListener<Trade>) change -> onTradesChanged());
    onTradesChanged();
    // We handle the trade period here as we display a global popup if we reached dispute time
    tradesAndUIReady = EasyBind.combine(isSplashScreenRemoved, tradeManager.pendingTradesInitializedProperty(), (a, b) -> a && b);
    tradesAndUIReady.subscribe((observable, oldValue, newValue) -> {
        if (newValue)
            applyTradePeriodState();
    });
    // walletService
    walletService.addBalanceListener(new BalanceListener() {

        @Override
        public void onBalanceChanged(Coin balance, Transaction tx) {
            updateBalance();
        }
    });
    openOfferManager.getOpenOffers().addListener((ListChangeListener<OpenOffer>) c -> updateBalance());
    tradeManager.getTrades().addListener((ListChangeListener<Trade>) c -> updateBalance());
    openOfferManager.onAllServicesInitialized();
    arbitratorManager.onAllServicesInitialized();
    alertManager.alertMessageProperty().addListener((observable, oldValue, newValue) -> displayAlertIfPresent(newValue));
    privateNotificationManager.privateNotificationProperty().addListener((observable, oldValue, newValue) -> displayPrivateNotification(newValue));
    displayAlertIfPresent(alertManager.alertMessageProperty().get());
    p2PService.onAllServicesInitialized();
    setupBtcNumPeersWatcher();
    setupP2PNumPeersWatcher();
    updateBalance();
    if (DevFlags.DEV_MODE) {
        preferences.setShowOwnOffersInOfferBook(true);
        if (user.getPaymentAccounts().isEmpty())
            setupDevDummyPaymentAccounts();
    }
    setupMarketPriceFeed();
    swapPendingOfferFundingEntries();
    fillPriceFeedComboBoxItems();
    showAppScreen.set(true);
    // We want to test if the client is compiled with the correct crypto provider (BountyCastle) 
    // and if the unlimited Strength for cryptographic keys is set.
    // If users compile themselves they might miss that step and then would get an exception in the trade.
    // To avoid that we add here at startup a sample encryption and signing to see if it don't causes an exception.
    // See: https://github.com/bitsquare/bitsquare/blob/master/doc/build.md#7-enable-unlimited-strength-for-cryptographic-keys
    Thread checkCryptoThread = new Thread() {

        @Override
        public void run() {
            try {
                Thread.currentThread().setName("checkCryptoThread");
                log.trace("Run crypto test");
                // just use any simple dummy msg
                io.bitsquare.p2p.peers.keepalive.messages.Ping payload = new Ping(1, 1);
                SealedAndSigned sealedAndSigned = Encryption.encryptHybridWithSignature(payload, keyRing.getSignatureKeyPair(), keyRing.getPubKeyRing().getEncryptionPubKey());
                DecryptedDataTuple tuple = Encryption.decryptHybridWithSignature(sealedAndSigned, keyRing.getEncryptionKeyPair().getPrivate());
                if (tuple.payload instanceof Ping && ((Ping) tuple.payload).nonce == payload.nonce && ((Ping) tuple.payload).lastRoundTripTime == payload.lastRoundTripTime)
                    log.debug("Crypto test succeeded");
                else
                    throw new CryptoException("Payload not correct after decryption");
            } catch (CryptoException e) {
                e.printStackTrace();
                String msg = "Seems that you use a self compiled binary and have not following the build " + "instructions in https://github.com/bitsquare/bitsquare/blob/master/doc/build.md#7-enable-unlimited-strength-for-cryptographic-keys.\n\n" + "If that is not the case and you use the official Bitsquare binary, " + "please file a bug report to the Github page.\n" + "Error=" + e.getMessage();
                log.error(msg);
                UserThread.execute(() -> new Popup<>().warning(msg).actionButtonText("Shut down").onAction(BitsquareApp.shutDownHandler::run).closeButtonText("Report bug at Github issues").onClose(() -> GUIUtil.openWebPage("https://github.com/bitsquare/bitsquare/issues")).show());
            }
        }
    };
    checkCryptoThread.start();
    if (Security.getProvider("BC") == null) {
        new Popup<>().warning("There is a problem with the crypto libraries. BountyCastle is not available.").actionButtonText("Shut down").onAction(BitsquareApp.shutDownHandler::run).closeButtonText("Report bug at Github issues").onClose(() -> GUIUtil.openWebPage("https://github.com/bitsquare/bitsquare/issues")).show();
    }
    String remindPasswordAndBackupKey = "remindPasswordAndBackup";
    user.getPaymentAccountsAsObservable().addListener((SetChangeListener<PaymentAccount>) change -> {
        if (!walletService.getWallet().isEncrypted() && preferences.showAgain(remindPasswordAndBackupKey) && change.wasAdded()) {
            new Popup<>().headLine("Important security recommendation").information("We would like to remind you to consider using password protection for your wallet if you have not already enabled that.\n\n" + "It is also highly recommended to write down the wallet seed words. Those seed words are like a master password for recovering your Bitcoin wallet.\n" + "At the \"Wallet Seed\" section you find more information.\n\n" + "Additionally you can backup the complete application data folder at the \"Backup\" section.\n" + "Please note, that this backup is not encrypted!").dontShowAgainId(remindPasswordAndBackupKey, preferences).show();
        }
    });
    checkIfOpenOffersMatchTradeProtocolVersion();
}