Examples with Wallet co.rsk.bitcoinj.wallet.Wallet used on opensource projects

Example 26 with Wallet

use of co.rsk.bitcoinj.wallet.Wallet in project rskj by rsksmart.

the class BridgeSupport method computeTotalAmountSent.

private Coin computeTotalAmountSent(BtcTransaction btcTx) throws IOException {
    // Compute the total amount sent. Value could have been sent both to the
    // currently active federation as well as to the currently retiring federation.
    // Add both amounts up in that case.
    Coin amountToActive = btcTx.getValueSentToMe(getActiveFederationWallet(false));
    Coin amountToRetiring = Coin.ZERO;
    Wallet retiringFederationWallet = getRetiringFederationWallet(false);
    if (retiringFederationWallet != null) {
        amountToRetiring = btcTx.getValueSentToMe(retiringFederationWallet);
    }
    return amountToActive.add(amountToRetiring);
}

Example 27 with Wallet

use of co.rsk.bitcoinj.wallet.Wallet in project rskj by rsksmart.

the class BridgeSupport method processFundsMigration.

private void processFundsMigration(Transaction rskTx) throws IOException {
    Wallet retiringFederationWallet = getRetiringFederationWallet(true);
    List<UTXO> availableUTXOs = getRetiringFederationBtcUTXOs();
    ReleaseTransactionSet releaseTransactionSet = provider.getReleaseTransactionSet();
    Federation activeFederation = getActiveFederation();
    if (federationIsInMigrationAge(activeFederation) && hasMinimumFundsToMigrate(retiringFederationWallet)) {
        logger.info("Active federation (age={}) is in migration age and retiring federation has funds to migrate: {}.", rskExecutionBlock.getNumber() - activeFederation.getCreationBlockNumber(), retiringFederationWallet.getBalance().toFriendlyString());
        Pair<BtcTransaction, List<UTXO>> createResult = createMigrationTransaction(retiringFederationWallet, activeFederation.getAddress());
        BtcTransaction btcTx = createResult.getLeft();
        List<UTXO> selectedUTXOs = createResult.getRight();
        // Add the TX to the release set
        if (activations.isActive(ConsensusRule.RSKIP146)) {
            Coin amountMigrated = selectedUTXOs.stream().map(UTXO::getValue).reduce(Coin.ZERO, Coin::add);
            releaseTransactionSet.add(btcTx, rskExecutionBlock.getNumber(), rskTx.getHash());
            // Log the Release request
            eventLogger.logReleaseBtcRequested(rskTx.getHash().getBytes(), btcTx, amountMigrated);
        } else {
            releaseTransactionSet.add(btcTx, rskExecutionBlock.getNumber());
        }
        // Mark UTXOs as spent
        availableUTXOs.removeIf(utxo -> selectedUTXOs.stream().anyMatch(selectedUtxo -> utxo.getHash().equals(selectedUtxo.getHash()) && utxo.getIndex() == selectedUtxo.getIndex()));
    }
    if (retiringFederationWallet != null && federationIsPastMigrationAge(activeFederation)) {
        if (retiringFederationWallet.getBalance().isGreaterThan(Coin.ZERO)) {
            logger.info("Federation is past migration age and will try to migrate remaining balance: {}.", retiringFederationWallet.getBalance().toFriendlyString());
            try {
                Pair<BtcTransaction, List<UTXO>> createResult = createMigrationTransaction(retiringFederationWallet, activeFederation.getAddress());
                BtcTransaction btcTx = createResult.getLeft();
                List<UTXO> selectedUTXOs = createResult.getRight();
                // Add the TX to the release set
                if (activations.isActive(ConsensusRule.RSKIP146)) {
                    Coin amountMigrated = selectedUTXOs.stream().map(UTXO::getValue).reduce(Coin.ZERO, Coin::add);
                    releaseTransactionSet.add(btcTx, rskExecutionBlock.getNumber(), rskTx.getHash());
                    // Log the Release request
                    eventLogger.logReleaseBtcRequested(rskTx.getHash().getBytes(), btcTx, amountMigrated);
                } else {
                    releaseTransactionSet.add(btcTx, rskExecutionBlock.getNumber());
                }
                // Mark UTXOs as spent
                availableUTXOs.removeIf(utxo -> selectedUTXOs.stream().anyMatch(selectedUtxo -> utxo.getHash().equals(selectedUtxo.getHash()) && utxo.getIndex() == selectedUtxo.getIndex()));
            } catch (Exception e) {
                logger.error("Unable to complete retiring federation migration. Balance left: {} in {}", retiringFederationWallet.getBalance().toFriendlyString(), getRetiringFederationAddress());
                panicProcessor.panic("updateCollection", "Unable to complete retiring federation migration.");
            }
        }
        logger.info("Retiring federation migration finished. Available UTXOs left: {}.", availableUTXOs.size());
        provider.setOldFederation(null);
    }
}

Example 28 with Wallet

use of co.rsk.bitcoinj.wallet.Wallet in project rskj by rsksmart.

the class BridgeSupport method getFastBridgeWallet.

protected Wallet getFastBridgeWallet(Context btcContext, List<UTXO> utxos, FastBridgeFederationInformation fb) {
    Wallet wallet = new FastBridgeCompatibleBtcWalletWithSingleScript(btcContext, getLiveFederations(), fb);
    RskUTXOProvider utxoProvider = new RskUTXOProvider(btcContext.getParams(), utxos);
    wallet.setUTXOProvider(utxoProvider);
    wallet.setCoinSelector(new RskAllowUnconfirmedCoinSelector());
    return wallet;
}

Example 29 with Wallet

use of co.rsk.bitcoinj.wallet.Wallet in project rskj by rsksmart.

the class BridgeSupport method createMigrationTransaction.

private Pair<BtcTransaction, List<UTXO>> createMigrationTransaction(Wallet originWallet, Address destinationAddress) {
    Coin expectedMigrationValue = originWallet.getBalance();
    logger.debug("[createMigrationTransaction] Balance to migrate: {}", expectedMigrationValue);
    for (; ; ) {
        BtcTransaction migrationBtcTx = new BtcTransaction(originWallet.getParams());
        migrationBtcTx.addOutput(expectedMigrationValue, destinationAddress);
        SendRequest sr = SendRequest.forTx(migrationBtcTx);
        sr.changeAddress = destinationAddress;
        sr.feePerKb = getFeePerKb();
        sr.missingSigsMode = Wallet.MissingSigsMode.USE_OP_ZERO;
        sr.recipientsPayFees = true;
        try {
            originWallet.completeTx(sr);
            for (TransactionInput transactionInput : migrationBtcTx.getInputs()) {
                transactionInput.disconnect();
            }
            List<UTXO> selectedUTXOs = originWallet.getUTXOProvider().getOpenTransactionOutputs(originWallet.getWatchedAddresses()).stream().filter(utxo -> migrationBtcTx.getInputs().stream().anyMatch(input -> input.getOutpoint().getHash().equals(utxo.getHash()) && input.getOutpoint().getIndex() == utxo.getIndex())).collect(Collectors.toList());
            return Pair.of(migrationBtcTx, selectedUTXOs);
        } catch (InsufficientMoneyException | Wallet.ExceededMaxTransactionSize | Wallet.CouldNotAdjustDownwards e) {
            expectedMigrationValue = expectedMigrationValue.divide(2);
        } catch (Wallet.DustySendRequested e) {
            throw new IllegalStateException("Retiring federation wallet cannot be emptied", e);
        } catch (UTXOProviderException e) {
            throw new RuntimeException("Unexpected UTXO provider error", e);
        }
    }
}