Updated on 2026-08-14
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Tangem
parent
092eb2dd68
commit
250ceba99f
78 changed files with 229 additions and 247 deletions
213
app/src/main/java/com/tangem/wallet/rsk/RskEngine.java
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213
app/src/main/java/com/tangem/wallet/rsk/RskEngine.java
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package com.tangem.wallet.rsk;
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import android.net.Uri;
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import android.util.Log;
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import com.tangem.data.Blockchain;
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import com.tangem.data.network.ServerApiRootstock;
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import com.tangem.data.network.model.InfuraResponse;
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import com.tangem.wallet.BTCUtils;
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import com.tangem.wallet.CoinEngine;
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import com.tangem.wallet.EthTransaction;
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import com.tangem.wallet.TangemContext;
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import com.tangem.wallet.eth.EthEngine;
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import com.tangem.wallet.R;
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import java.math.BigInteger;
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public class RskEngine extends EthEngine {
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private static final String TAG = RskEngine.class.getSimpleName();
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public RskEngine(TangemContext ctx) throws Exception {
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super(ctx);
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}
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public RskEngine() {
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super();
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}
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private static int getDecimals() {
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return 18;
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}
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@Override
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protected int getChainIdNum() {
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return EthTransaction.ChainEnum.Rootstock_mainnet.getValue();
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}
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@Override
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public String getBalanceCurrency() {
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return Blockchain.Rootstock.getCurrency();
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}
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@Override
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public String getFeeCurrency() {
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return Blockchain.Rootstock.getCurrency();
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}
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@Override
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public Uri getShareWalletUri() {
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return Uri.parse(ctx.getCoinData().getWallet());
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}
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@Override
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public Uri getWalletExplorerUri() {
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return Uri.parse("https://explorer.rsk.co/address/" + ctx.getCoinData().getWallet());
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}
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@Override
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public String evaluateFeeEquivalent(String fee) {
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return "";
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}
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@Override
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public void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
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final ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
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// request requestData listener
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ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
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@Override
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public void onSuccess(String method, InfuraResponse rootstockResponse) {
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switch (method) {
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case ServerApiRootstock.ROOTSTOCK_ETH_GET_BALANCE: {
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String balanceCap = rootstockResponse.getResult();
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balanceCap = balanceCap.substring(2);
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BigInteger l = new BigInteger(balanceCap, 16);
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coinData.setBalanceReceived(true);
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coinData.setBalanceInInternalUnits(new CoinEngine.InternalAmount(l, "wei"));
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// Log.i("$TAG eth_get_balance", balanceCap)
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}
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break;
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case ServerApiRootstock.ROOTSTOCK_ETH_GET_TRANSACTION_COUNT: {
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String nonce = rootstockResponse.getResult();
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nonce = nonce.substring(2);
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BigInteger count = new BigInteger(nonce, 16);
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coinData.setConfirmedTXCount(count);
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// Log.i("$TAG eth_getTransCount", nonce)
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}
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break;
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case ServerApiRootstock.ROOTSTOCK_ETH_GET_PENDING_COUNT: {
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String pending = rootstockResponse.getResult();
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pending = pending.substring(2);
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BigInteger count = new BigInteger(pending, 16);
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coinData.setUnconfirmedTXCount(count);
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// Log.i("$TAG eth_getPendingTxCount", pending)
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}
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break;
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}
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if (serverApiRootstock.isRequestsSequenceCompleted()) {
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blockchainRequestsCallbacks.onComplete(!ctx.hasError());
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} else {
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blockchainRequestsCallbacks.onProgress();
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}
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}
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@Override
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public void onFail(String method, String message) {
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if (!serverApiRootstock.isRequestsSequenceCompleted()) {
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ctx.setError(message);
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blockchainRequestsCallbacks.onComplete(false);
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}
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}
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};
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serverApiRootstock.setResponseListener(responseListener);
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serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_BALANCE, 67, coinData.getWallet(), "", "");
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serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_TRANSACTION_COUNT, 67, coinData.getWallet(), "", "");
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serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_PENDING_COUNT, 67, coinData.getWallet(), "", "");
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}
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@Override
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public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
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ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
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// request requestData gasPrice listener
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ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
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@Override
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public void onSuccess(String method, InfuraResponse rootstockResponse) {
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String gasPrice = rootstockResponse.getResult();
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gasPrice = gasPrice.substring(2);
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// rounding gas price to integer gwei
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BigInteger l = new BigInteger(gasPrice, 16);//.divide(BigInteger.valueOf(1000000000L)).multiply(BigInteger.valueOf(1000000000L));
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Log.i(TAG, "Rootstock gas price: " + gasPrice + " (" + l.toString() + ")");
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BigInteger m = BigInteger.valueOf(21000);
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Log.e(TAG, "fee multiplier: " + m.toString());
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CoinEngine.InternalAmount weiMinFee = new CoinEngine.InternalAmount(l.multiply(m), "wei");
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CoinEngine.InternalAmount weiNormalFee = new CoinEngine.InternalAmount(l.multiply(BigInteger.valueOf(12)).divide(BigInteger.valueOf(10)).multiply(m), "wei");
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CoinEngine.InternalAmount weiMaxFee = new CoinEngine.InternalAmount(l.multiply(BigInteger.valueOf(15)).divide(BigInteger.valueOf(10)).multiply(m), "wei");
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Log.i(TAG, "min fee : " + weiMinFee.toValueString() + " wei");
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Log.i(TAG, "normal fee: " + weiNormalFee.toValueString() + " wei");
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Log.i(TAG, "max fee : " + weiMaxFee.toValueString() + " wei");
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coinData.minFee = convertToAmount(weiMinFee);
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coinData.normalFee = convertToAmount(weiNormalFee);
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coinData.maxFee = convertToAmount(weiMaxFee);
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Log.i(TAG, "min fee : " + coinData.minFee.toString());
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Log.i(TAG, "normal fee: " + coinData.normalFee.toString());
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Log.i(TAG, "max fee : " + coinData.maxFee.toString());
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blockchainRequestsCallbacks.onComplete(true);
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}
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@Override
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public void onFail(String method, String message) {
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ctx.setError(ctx.getContext().getString(R.string.cannot_calculate_fee_wrong_data_received_from_node));
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blockchainRequestsCallbacks.onComplete(false);
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}
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};
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serverApiRootstock.setResponseListener(responseListener);
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serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GAS_PRICE, 67, coinData.getWallet(), "", "");
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}
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@Override
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public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
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String txStr = String.format("0x%s", BTCUtils.toHex(txForSend));
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ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
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ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
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@Override
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public void onSuccess(String method, InfuraResponse rootstockResponse) {
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if (method.equals(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION)) {
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if (rootstockResponse.getResult().isEmpty()) {
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ctx.setError("Rejected by node: " + rootstockResponse.getError());
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blockchainRequestsCallbacks.onComplete(false);
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} else {
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BigInteger nonce = coinData.getConfirmedTXCount();
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nonce = nonce.add(BigInteger.valueOf(1));
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coinData.setConfirmedTXCount(nonce);
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ctx.setError(null);
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blockchainRequestsCallbacks.onComplete(true);
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}
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}
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}
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@Override
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public void onFail(String method, String message) {
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if (method.equals(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION)) {
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ctx.setError(message);
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blockchainRequestsCallbacks.onComplete(false);
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}
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}
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};
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serverApiRootstock.setResponseListener(responseListener);
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serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION, 67, coinData.getWallet(), "", txStr);
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}
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public int pendingTransactionTimeoutInSeconds() { return 10; }
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}
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