Updated on 2026-08-14
This commit is contained in:
Tangem
parent
5dd2ef6776
commit
6fd870bc9a
8 changed files with 450 additions and 124 deletions
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@ -12,7 +12,10 @@ import com.tangem.card_common.util.Util;
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import com.tangem.data.Blockchain;
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import com.tangem.data.local.PendingTransactionsStorage;
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import com.tangem.data.network.ElectrumRequest;
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import com.tangem.data.network.Server;
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import com.tangem.data.network.ServerApiElectrum;
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import com.tangem.data.network.ServerApiSoChain;
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import com.tangem.data.network.model.SoChain;
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import com.tangem.wallet.BTCUtils;
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import com.tangem.wallet.BalanceValidator;
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import com.tangem.wallet.Base58;
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@ -45,6 +48,8 @@ public class BtcEngine extends CoinEngine {
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private static final String TAG = BtcEngine.class.getSimpleName();
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private static boolean useElectrum = false;
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public BtcData coinData = null;
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public BtcEngine(TangemContext context) throws Exception {
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@ -427,13 +432,20 @@ public class BtcEngine extends CoinEngine {
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String myAddress = ctx.getCoinData().getWallet();
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byte[] pbKey = ctx.getCard().getWalletPublicKey();
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// Build script for our address
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List<BtcData.UnspentTransaction> rawTxList = coinData.getUnspentTransactions();
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byte[] outputScriptWeAreAbleToSpend = Transaction.Script.buildOutput(myAddress).bytes;
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// Collect unspent
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unspentOutputs = BTCUtils.getOutputs(rawTxList, outputScriptWeAreAbleToSpend);
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if (useElectrum) {
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// Build script for our address
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List<BtcData.UnspentTransaction> rawTxList = coinData.getUnspentTransactions();
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byte[] outputScriptWeAreAbleToSpend = Transaction.Script.buildOutput(myAddress).bytes;
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// Collect unspent
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unspentOutputs = BTCUtils.getOutputs(rawTxList, outputScriptWeAreAbleToSpend);
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} else {
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unspentOutputs = new ArrayList<>();
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for (BtcData.UnspentTransaction utxo : coinData.getUnspentTransactions()) {
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unspentOutputs.add(new UnspentOutputInfo(BTCUtils.fromHex(utxo.txID), new Transaction.Script(BTCUtils.fromHex(utxo.Raw)), utxo.Amount, utxo.Height, -1, utxo.txID, null));
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}
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}
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long fullAmount = 0;
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for (int i = 0; i < unspentOutputs.size(); ++i) {
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fullAmount += unspentOutputs.get(i).value;
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@ -523,123 +535,82 @@ public class BtcEngine extends CoinEngine {
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}
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@Override
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public void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
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final ServerApiElectrum serverApiElectrum = new ServerApiElectrum();
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ServerApiElectrum.ResponseListener electrumListener = new ServerApiElectrum.ResponseListener() {
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@Override
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public void onSuccess(ElectrumRequest electrumRequest) {
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Log.i(TAG, "onSuccess: " + electrumRequest.getMethod());
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if (electrumRequest.isMethod(ElectrumRequest.METHOD_GetBalance)) {
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try {
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String walletAddress = electrumRequest.getParams().getString(0);
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if (!walletAddress.equals(coinData.getWallet())) {
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// todo - check
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throw new Exception("Invalid wallet address in answer!");
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}
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Long confBalance = electrumRequest.getResult().getLong("confirmed");
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Long unconfirmedBalance = electrumRequest.getResult().getLong("unconfirmed");
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coinData.setBalanceReceived(true);
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coinData.setBalanceConfirmed(confBalance);
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coinData.setBalanceUnconfirmed(unconfirmedBalance);
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coinData.setValidationNodeDescription(serverApiElectrum.getValidationNodeDescription());
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checkPending(blockchainRequestsCallbacks);
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} catch (JSONException e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_GetBalance JSONException");
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} catch (Exception e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_GetBalance Exception");
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}
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} else if (electrumRequest.isMethod(ElectrumRequest.METHOD_ListUnspent)) {
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try {
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String walletAddress = electrumRequest.getParams().getString(0);
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JSONArray jsUnspentArray = electrumRequest.getResultArray();
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try {
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coinData.getUnspentTransactions().clear();
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for (int i = 0; i < jsUnspentArray.length(); i++) {
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JSONObject jsUnspent = jsUnspentArray.getJSONObject(i);
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BtcData.UnspentTransaction trUnspent = new BtcData.UnspentTransaction();
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trUnspent.txID = jsUnspent.getString("tx_hash");
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trUnspent.Amount = jsUnspent.getLong("value");
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trUnspent.Height = jsUnspent.getInt("height");
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coinData.getUnspentTransactions().add(trUnspent);
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}
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} catch (JSONException e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_ListUnspent JSONException");
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}
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for (int i = 0; i < jsUnspentArray.length(); i++) {
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JSONObject jsUnspent = jsUnspentArray.getJSONObject(i);
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Integer height = jsUnspent.getInt("height");
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String hash = jsUnspent.getString("tx_hash");
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if (height != -1) {
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if (blockchainRequestsCallbacks.allowAdvance()) {
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serverApiElectrum.requestData(ctx, ElectrumRequest.getTransaction(walletAddress, hash));
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} else {
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ctx.setError("Terminated by user");
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}
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}
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}
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} catch (JSONException e) {
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e.printStackTrace();
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}
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} else if (electrumRequest.isMethod(ElectrumRequest.METHOD_GetTransaction)) {
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try {
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String txHash = electrumRequest.txHash;
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String raw = electrumRequest.getResultString();
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for (BtcData.UnspentTransaction tx : coinData.getUnspentTransactions()) {
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if (tx.txID.equals(txHash))
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tx.Raw = raw;
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}
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} catch (JSONException e) {
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e.printStackTrace();
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}
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}
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if (serverApiElectrum.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(ElectrumRequest electrumRequest) {
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Log.i(TAG, "onFail: " + electrumRequest.getMethod() + " " + electrumRequest.getError());
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ctx.setError(electrumRequest.getError());
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// ctx.setError(R.string.cannot_obtain_data_from_blockchain);
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if (serverApiElectrum.isRequestsSequenceCompleted()) {
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blockchainRequestsCallbacks.onComplete(false);//serverApiElectrum.isErrorOccurred(), serverApiElectrum.getError());
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} else {
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blockchainRequestsCallbacks.onProgress();
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}
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}
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};
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serverApiElectrum.setResponseListener(electrumListener);
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serverApiElectrum.requestData(ctx, ElectrumRequest.checkBalance(coinData.getWallet()));
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serverApiElectrum.requestData(ctx, ElectrumRequest.listUnspent(coinData.getWallet()));
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}
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private void checkPending(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
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if (App.pendingTransactionsStorage.hasTransactions(ctx.getCard())) {
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ServerApiElectrum serverApiElectrum = new ServerApiElectrum();
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public void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) throws Exception {
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if (useElectrum) {
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final ServerApiElectrum serverApiElectrum = new ServerApiElectrum();
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ServerApiElectrum.ResponseListener electrumListener = new ServerApiElectrum.ResponseListener() {
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@Override
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public void onSuccess(ElectrumRequest electrumRequest) {
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Log.i(TAG, "onSuccess: " + electrumRequest.getMethod());
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try {
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if (electrumRequest.getResultString() != null) {
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App.pendingTransactionsStorage.removeTransaction(ctx.getCard(), electrumRequest.txHash);
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if (electrumRequest.isMethod(ElectrumRequest.METHOD_GetBalance)) {
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try {
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String walletAddress = electrumRequest.getParams().getString(0);
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if (!walletAddress.equals(coinData.getWallet())) {
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// todo - check
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throw new Exception("Invalid wallet address in answer!");
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}
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Long confBalance = electrumRequest.getResult().getLong("confirmed");
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Long unconfirmedBalance = electrumRequest.getResult().getLong("unconfirmed");
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coinData.setBalanceReceived(true);
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coinData.setBalanceConfirmed(confBalance);
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coinData.setBalanceUnconfirmed(unconfirmedBalance);
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coinData.setValidationNodeDescription(serverApiElectrum.getValidationNodeDescription());
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checkPending(blockchainRequestsCallbacks);
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} catch (JSONException e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_GetBalance JSONException");
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} catch (Exception e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_GetBalance Exception");
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}
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} else if (electrumRequest.isMethod(ElectrumRequest.METHOD_ListUnspent)) {
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try {
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String walletAddress = electrumRequest.getParams().getString(0);
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JSONArray jsUnspentArray = electrumRequest.getResultArray();
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try {
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coinData.getUnspentTransactions().clear();
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for (int i = 0; i < jsUnspentArray.length(); i++) {
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JSONObject jsUnspent = jsUnspentArray.getJSONObject(i);
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BtcData.UnspentTransaction trUnspent = new BtcData.UnspentTransaction();
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trUnspent.txID = jsUnspent.getString("tx_hash");
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trUnspent.Amount = jsUnspent.getLong("value");
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trUnspent.Height = jsUnspent.getInt("height");
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coinData.getUnspentTransactions().add(trUnspent);
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}
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} catch (JSONException e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_ListUnspent JSONException");
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}
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} catch (Exception e) {
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Log.e(TAG, "onFail: " + electrumRequest.getMethod() + " " + electrumRequest.getError());
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for (int i = 0; i < jsUnspentArray.length(); i++) {
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JSONObject jsUnspent = jsUnspentArray.getJSONObject(i);
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Integer height = jsUnspent.getInt("height");
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String hash = jsUnspent.getString("tx_hash");
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if (height != -1) {
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if (blockchainRequestsCallbacks.allowAdvance()) {
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serverApiElectrum.requestData(ctx, ElectrumRequest.getTransaction(walletAddress, hash));
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} else {
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ctx.setError("Terminated by user");
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}
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}
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}
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} catch (JSONException e) {
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e.printStackTrace();
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}
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} else if (electrumRequest.isMethod(ElectrumRequest.METHOD_GetTransaction)) {
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try {
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String txHash = electrumRequest.txHash;
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String raw = electrumRequest.getResultString();
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for (BtcData.UnspentTransaction tx : coinData.getUnspentTransactions()) {
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if (tx.txID.equals(txHash))
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tx.Raw = raw;
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}
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} catch (JSONException e) {
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e.printStackTrace();
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}
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}
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if (serverApiElectrum.isRequestsSequenceCompleted()) {
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blockchainRequestsCallbacks.onComplete(!ctx.hasError());
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} else {
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@ -650,6 +621,7 @@ public class BtcEngine extends CoinEngine {
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@Override
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public void onFail(ElectrumRequest electrumRequest) {
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Log.i(TAG, "onFail: " + electrumRequest.getMethod() + " " + electrumRequest.getError());
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ctx.setError(electrumRequest.getError());
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// ctx.setError(R.string.cannot_obtain_data_from_blockchain);
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if (serverApiElectrum.isRequestsSequenceCompleted()) {
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blockchainRequestsCallbacks.onComplete(false);//serverApiElectrum.isErrorOccurred(), serverApiElectrum.getError());
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@ -660,9 +632,163 @@ public class BtcEngine extends CoinEngine {
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};
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serverApiElectrum.setResponseListener(electrumListener);
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for (PendingTransactionsStorage.TransactionInfo pendingTx : App.pendingTransactionsStorage.getTransactions(ctx.getCard()).getTransactions()) {
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String txHash = BTCUtils.toHex(CryptoUtil.doubleSha256(BTCUtils.fromHex(pendingTx.getTx())));
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serverApiElectrum.requestData(ctx, ElectrumRequest.getTransaction(ctx.getCoinData().getWallet(), txHash));
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serverApiElectrum.requestData(ctx, ElectrumRequest.checkBalance(coinData.getWallet()));
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serverApiElectrum.requestData(ctx, ElectrumRequest.listUnspent(coinData.getWallet()));
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} else {
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final ServerApiSoChain serverApi = new ServerApiSoChain();
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ServerApiSoChain.ResponseListener responseListener = new ServerApiSoChain.ResponseListener() {
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@Override
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public void onSuccess(SoChain.Response.AddressBalance response) {
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try {
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String walletAddress = response.getData().getAddress();
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if (!walletAddress.equals(coinData.getWallet())) {
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// todo - check
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throw new Exception("Invalid wallet address in answer!");
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}
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Long confBalance = convertToInternalAmount(convertToAmount(response.getData().getConfirmed_balance(), getBalanceCurrency())).longValueExact();
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Long unconfirmedBalance = convertToInternalAmount(convertToAmount(response.getData().getUnconfirmed_balance(), getBalanceCurrency())).longValueExact();
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coinData.setBalanceReceived(true);
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coinData.setBalanceConfirmed(confBalance);
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coinData.setBalanceUnconfirmed(unconfirmedBalance);
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coinData.setValidationNodeDescription(Server.ApiSoChain.URL);
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checkPending(blockchainRequestsCallbacks);
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} catch (JSONException e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_GetBalance JSONException");
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} catch (Exception e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_GetBalance Exception");
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}
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if (serverApi.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 onSuccess(SoChain.Response.TxUnspent response) {
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String walletAddress = response.getData().getAddress();
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try {
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if (!walletAddress.equals(coinData.getWallet())) {
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// todo - check
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throw new Exception("Invalid wallet address in answer!");
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}
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coinData.getUnspentTransactions().clear();
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if (response.getData().getTxs() != null)
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for (SoChain.Response.TxUnspent.Data.Tx tx : response.getData().getTxs()) {
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BtcData.UnspentTransaction trUnspent = new BtcData.UnspentTransaction();
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trUnspent.txID = tx.getTxid();
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trUnspent.Amount = convertToInternalAmount(convertToAmount(tx.getValue(), getBalanceCurrency())).longValueExact();
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trUnspent.Height = tx.getOutput_no();
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trUnspent.Raw = tx.getScript_hex();
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coinData.getUnspentTransactions().add(trUnspent);
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// if (blockchainRequestsCallbacks.allowAdvance()) {
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// //serverApi.requestData(ctx, ElectrumRequest.getTransaction(walletAddress, hash));
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// } else {
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// ctx.setError("Terminated by user");
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// }
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}
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} catch (Exception e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL METHOD_ListUnspent JSONException");
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}
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if (serverApi.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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//
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// } else if (electrumRequest.isMethod(ElectrumRequest.METHOD_GetTransaction)) {
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// try {
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// String txHash = electrumRequest.txHash;
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// String raw = electrumRequest.getResultString();
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// for (BtcData.UnspentTransaction tx : coinData.getUnspentTransactions()) {
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// if (tx.txID.equals(txHash))
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// tx.Raw = raw;
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// }
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// } catch (JSONException e) {
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// e.printStackTrace();
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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 message) {
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Log.i(TAG, "onFail: " + message);
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ctx.setError(message);
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// ctx.setError(R.string.cannot_obtain_data_from_blockchain);
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if (serverApi.isRequestsSequenceCompleted()) {
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blockchainRequestsCallbacks.onComplete(false);//serverApiElectrum.isErrorOccurred(), serverApiElectrum.getError());
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} else {
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blockchainRequestsCallbacks.onProgress();
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}
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}
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};
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serverApi.setResponseListener(responseListener);
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serverApi.requestAddressBalance(ctx.getBlockchain(), coinData.getWallet());
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serverApi.requestUnspentTx(ctx.getBlockchain(), coinData.getWallet());
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}
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}
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private void checkPending(BlockchainRequestsCallbacks blockchainRequestsCallbacks) throws Exception {
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if (App.pendingTransactionsStorage.hasTransactions(ctx.getCard())) {
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if (useElectrum) {
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ServerApiElectrum serverApiElectrum = new ServerApiElectrum();
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ServerApiElectrum.ResponseListener electrumListener = new ServerApiElectrum.ResponseListener() {
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@Override
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public void onSuccess(ElectrumRequest electrumRequest) {
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Log.i(TAG, "onSuccess: " + electrumRequest.getMethod());
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try {
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if (electrumRequest.getResultString() != null) {
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App.pendingTransactionsStorage.removeTransaction(ctx.getCard(), electrumRequest.txHash);
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}
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} catch (Exception e) {
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Log.e(TAG, "onFail: " + electrumRequest.getMethod() + " " + electrumRequest.getError());
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}
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if (serverApiElectrum.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(ElectrumRequest electrumRequest) {
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Log.i(TAG, "onFail: " + electrumRequest.getMethod() + " " + electrumRequest.getError());
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// ctx.setError(R.string.cannot_obtain_data_from_blockchain);
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if (serverApiElectrum.isRequestsSequenceCompleted()) {
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blockchainRequestsCallbacks.onComplete(false);//serverApiElectrum.isErrorOccurred(), serverApiElectrum.getError());
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} else {
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blockchainRequestsCallbacks.onProgress();
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}
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}
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};
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serverApiElectrum.setResponseListener(electrumListener);
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for (PendingTransactionsStorage.TransactionInfo pendingTx : App.pendingTransactionsStorage.getTransactions(ctx.getCard()).getTransactions()) {
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String txHash = BTCUtils.toHex(CryptoUtil.doubleSha256(BTCUtils.fromHex(pendingTx.getTx())));
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serverApiElectrum.requestData(ctx, ElectrumRequest.getTransaction(ctx.getCoinData().getWallet(), txHash));
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}
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} else {
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throw new Exception("Not supported!");
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}
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}
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}
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@ -758,13 +884,13 @@ public class BtcEngine extends CoinEngine {
|
|||
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) throws Exception {
|
||||
final int calcSize = calculateEstimatedTransactionSize(targetAddress, amount.toValueString());
|
||||
Log.e(TAG, String.format("Estimated tx size %d", calcSize));
|
||||
coinData.minFee=null;
|
||||
coinData.maxFee=null;
|
||||
coinData.normalFee=null;
|
||||
coinData.minFee = null;
|
||||
coinData.maxFee = null;
|
||||
coinData.normalFee = null;
|
||||
|
||||
final ServerApiElectrum serverApiElectrum = new ServerApiElectrum();
|
||||
|
||||
final ServerApiElectrum.ResponseListener electrumListener = new ServerApiElectrum.ResponseListener() {
|
||||
final ServerApiElectrum.ResponseListener electrumListener = new ServerApiElectrum.ResponseListener() {
|
||||
@Override
|
||||
public void onSuccess(ElectrumRequest electrumRequest) {
|
||||
BigDecimal kbFee;
|
||||
|
|
@ -784,9 +910,9 @@ public class BtcEngine extends CoinEngine {
|
|||
BigDecimal normalFee = normalByteFee.multiply(new BigDecimal(calcSize)).setScale(8, RoundingMode.DOWN);
|
||||
BigDecimal maxFee = maxByteFee.multiply(new BigDecimal(calcSize)).setScale(8, RoundingMode.DOWN);
|
||||
|
||||
CoinEngine.Amount minAmount = new CoinEngine.Amount(minFee, ctx.getBlockchain().getCurrency());
|
||||
CoinEngine.Amount normalAmount = new CoinEngine.Amount(normalFee, ctx.getBlockchain().getCurrency());
|
||||
CoinEngine.Amount maxAmount = new CoinEngine.Amount(maxFee, ctx.getBlockchain().getCurrency());
|
||||
CoinEngine.Amount minAmount = new CoinEngine.Amount(minFee, ctx.getBlockchain().getCurrency());
|
||||
CoinEngine.Amount normalAmount = new CoinEngine.Amount(normalFee, ctx.getBlockchain().getCurrency());
|
||||
CoinEngine.Amount maxAmount = new CoinEngine.Amount(maxFee, ctx.getBlockchain().getCurrency());
|
||||
|
||||
coinData.minFee = minAmount;
|
||||
coinData.normalFee = normalAmount;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue