Updated on 2026-08-14

This commit is contained in:
Tangem 2019-04-17 19:31:19 +03:00
parent 5dd2ef6776
commit 6fd870bc9a
8 changed files with 450 additions and 124 deletions

View file

@ -32,6 +32,17 @@ public class Server {
}
}
public static class ApiSoChain {
public static final String URL = ServerURL.API_SOCHAIN_V2;
public static class Method {
public static final String ADDRESS_BALANCE = "api/v2/get_address_balance/{network}/{address}";
public static final String UNSPENT_TX = "api/v2/get_tx_unspent/{network}/{address}";
public static final String SEND_TRANSACTION = "api/v2/send_tx/{network}";
}
}
/**
* https://public-node.rsk.co/
*/

View file

@ -0,0 +1,104 @@
package com.tangem.data.network;
import android.util.Log;
import com.tangem.App;
import com.tangem.data.Blockchain;
import com.tangem.data.network.model.SoChain;
import androidx.annotation.NonNull;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
public class ServerApiSoChain {
public static String NETWORK_BTC = "BTC";
private static String TAG = ServerApiSoChain.class.getSimpleName();
private int requestsCount = 0;
public boolean isRequestsSequenceCompleted() {
Log.i(TAG, String.format("isRequestsSequenceCompleted: %s (%d requests left)", String.valueOf(requestsCount <= 0), requestsCount));
return requestsCount <= 0;
}
private ResponseListener responseListener;
public interface ResponseListener {
void onSuccess(SoChain.Response.AddressBalance response);
void onSuccess(SoChain.Response.TxUnspent response);
void onFail(String message);
}
public void setResponseListener(ResponseListener listener) {
responseListener = listener;
}
private String getNetwork(Blockchain blockchain) throws Exception {
switch (blockchain) {
case Bitcoin:
return "BTC";
case BitcoinTestNet:
return "BTCTEST";
case Litecoin:
return "LTC";
default:
throw new Exception("SoChainAPI don't support blockchain " + blockchain.getID());
}
}
public void requestAddressBalance(Blockchain blockchain, String wallet) throws Exception {
requestsCount++;
SoChainApi api = App.Companion.getNetworkComponent().getRetrofitSoChain().create(SoChainApi.class);
Call<SoChain.Response.AddressBalance> call = api.getAddressBalance(getNetwork(blockchain), wallet);
call.enqueue(new Callback<SoChain.Response.AddressBalance>() {
@Override
public void onResponse(@NonNull Call<SoChain.Response.AddressBalance> call, @NonNull Response<SoChain.Response.AddressBalance> response) {
Log.i(TAG, "requestAddressBalance onResponse " + response.code());
if (response.code() == 200) {
requestsCount--;
responseListener.onSuccess(response.body());
} else {
responseListener.onFail(String.valueOf(response.code()));
}
}
@Override
public void onFailure(@NonNull Call<SoChain.Response.AddressBalance> call, @NonNull Throwable t) {
Log.e(TAG, "requestAddressBalance onFailure " + t.getMessage());
responseListener.onFail(String.valueOf(t.getMessage()));
}
});
}
public void requestUnspentTx(Blockchain blockchain, String wallet) throws Exception {
requestsCount++;
SoChainApi api = App.Companion.getNetworkComponent().getRetrofitSoChain().create(SoChainApi.class);
Call<SoChain.Response.TxUnspent> call = api.getUnspentTx(getNetwork(blockchain), wallet);
call.enqueue(new Callback<SoChain.Response.TxUnspent>() {
@Override
public void onResponse(@NonNull Call<SoChain.Response.TxUnspent> call, @NonNull Response<SoChain.Response.TxUnspent> response) {
Log.i(TAG, "requestAddressBalance onResponse " + response.code());
if (response.code() == 200) {
requestsCount--;
responseListener.onSuccess(response.body());
} else {
responseListener.onFail(String.valueOf(response.code()));
}
}
@Override
public void onFailure(@NonNull Call<SoChain.Response.TxUnspent> call, @NonNull Throwable t) {
Log.e(TAG, "requestAddressBalance onFailure " + t.getMessage());
responseListener.onFail(String.valueOf(t.getMessage()));
}
});
}
}

View file

@ -4,6 +4,7 @@ class ServerURL {
static final String API_TANGEM = "https://verify.tangem.com/";
static final String API_COINMARKETCAP = "https://api.coinmarketcap.com/";
static final String API_INFURA = "https://mainnet.infura.io/";
static final String API_SOCHAIN_V2 = "https://chain.so/";
static final String API_ESTIMATEFEE = "https://estimatefee.com/";
static final String API_UPDATE_VERSION = "https://raw.githubusercontent.com/";
static final String API_ROOTSTOCK = "https://public-node.rsk.co/";

View file

@ -0,0 +1,23 @@
package com.tangem.data.network;
import com.tangem.data.network.model.SoChain;
import retrofit2.Call;
import retrofit2.http.Body;
import retrofit2.http.GET;
import retrofit2.http.Headers;
import retrofit2.http.POST;
import retrofit2.http.Path;
public interface SoChainApi {
@GET(Server.ApiSoChain.Method.ADDRESS_BALANCE)
Call<SoChain.Response.AddressBalance> getAddressBalance(@Path("network") String network, @Path("address") String address);
@GET(Server.ApiSoChain.Method.UNSPENT_TX)
Call<SoChain.Response.TxUnspent> getUnspentTx(@Path("network") String network, @Path("address") String address);
@Headers("Content-Type: application/json")
@POST(Server.ApiSoChain.Method.SEND_TRANSACTION)
Call<SoChain.Response> sendTransaction(@Path("network") String network, @Body SoChain.Request.SendTx body);
}

View file

@ -0,0 +1,46 @@
package com.tangem.data.network.model
class SoChain {
class Request {
class SendTx{
var tx_hex: String? = null
}
}
class Response {
class AddressBalance {
class Data {
var network: String? = null
var address: String? = null
var confirmed_balance: String? = null
var unconfirmed_balance: String? = null
var confirmations: String? = null
}
var status: String? = null
var data: Data? = null
}
class TxUnspent {
class Data {
class Tx {
var txid: String? = null //"9b5c8fbeb1e42bb2a6da40e2eab49c368d1a205707a1ec88aa13f0f2ecdfe944",
var output_no: Int? = null // 0,
var script_asm: String? = null // "OP_DUP OP_HASH160 8541eb0593bb19c3755198e7d2a71e134da21a97 OP_EQUALVERIFY OP_CHECKSIG",
var script_hex: String? = null // "76a9148541eb0593bb19c3755198e7d2a71e134da21a9788ac",
var value: String? = null // "11.38404832",
var confirmations: Long? = null
var time: Long? = null// : 1555509495
}
var network: String? = null
var address: String? = null
var txs: Array<Tx>? = null
}
var status: String? = null
var data: Data? = null
}
}
}

View file

@ -29,6 +29,9 @@ interface NetworkComponent {
@get:Named(Server.ApiRootstock.URL_ROOTSTOCK)
val retrofitRootstock: Retrofit
@get:Named(Server.ApiSoChain.URL)
val retrofitSoChain: Retrofit
@get:Named("socket")
val socket: Socket

View file

@ -84,6 +84,18 @@ internal class NetworkModule {
return builder.build()
}
@Singleton
@Provides
@Named(Server.ApiSoChain.URL)
fun provideRetrofitSoChain(): Retrofit {
val builder = Retrofit.Builder()
.baseUrl(Server.ApiSoChain.URL)
.addConverterFactory(GsonConverterFactory.create())
if (BuildConfig.DEBUG)
builder.client(createOkHttpClient())
return builder.build()
}
private fun createOkHttpClient(): OkHttpClient {
return OkHttpClient.Builder().addInterceptor(createHttpLoggingInterceptor()).build()
}

View file

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