Examples with BlockTransactionHash com.sparrowwallet.drongo.wallet.BlockTransactionHash used on opensource projects

Example 1 with BlockTransactionHash

use of com.sparrowwallet.drongo.wallet.BlockTransactionHash in project sparrow by sparrowwallet.

the class Bwt method start.

private void start(Collection<Wallet> wallets, CallbackNotifier callback) {
    List<Wallet> validWallets = wallets.stream().filter(Wallet::isValid).collect(Collectors.toList());
    Set<String> outputDescriptors = new LinkedHashSet<>();
    for (Wallet wallet : validWallets) {
        OutputDescriptor receiveOutputDescriptor = OutputDescriptor.getOutputDescriptor(wallet, KeyPurpose.RECEIVE);
        outputDescriptors.add(receiveOutputDescriptor.toString(false, false));
        OutputDescriptor changeOutputDescriptor = OutputDescriptor.getOutputDescriptor(wallet, KeyPurpose.CHANGE);
        outputDescriptors.add(changeOutputDescriptor.toString(false, false));
    }
    int rescanSince = validWallets.stream().filter(wallet -> wallet.getBirthDate() != null).mapToInt(wallet -> (int) (wallet.getBirthDate().getTime() / 1000)).min().orElse(-1);
    int gapLimit = validWallets.stream().filter(wallet -> wallet.getGapLimit() > 0).mapToInt(Wallet::getGapLimit).max().orElse(Wallet.DEFAULT_LOOKAHEAD);
    boolean forceRescan = false;
    for (Wallet wallet : validWallets) {
        Date txBirthDate = wallet.getTransactions().values().stream().map(BlockTransactionHash::getDate).filter(Objects::nonNull).min(Date::compareTo).orElse(null);
        if ((wallet.getBirthDate() != null && txBirthDate != null && wallet.getBirthDate().before(txBirthDate)) || (txBirthDate == null && wallet.getStoredBlockHeight() != null && wallet.getStoredBlockHeight() == 0)) {
            forceRescan = true;
        }
    }
    start(outputDescriptors, rescanSince, forceRescan, gapLimit, callback);
}