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Updated on 2026-08-14

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Tangem 2020-07-20 22:58:59 +03:00
parent 5ff859d0a9
commit 0a6264c1f9
20 changed files with 736 additions and 105 deletions
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78
app/src/main/java/com/tangem/wallet/binance/BinanceEngine.java
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@ -11,7 +11,10 @@ import com.tangem.data.Blockchain;
import com.tangem.data.network.BinanceApi;
import com.tangem.data.network.Server;
import com.tangem.data.network.ServerApiBinance;
import com.tangem.data.network.ServerApiPayId;
import com.tangem.data.network.model.BinanceFees;
import com.tangem.data.network.model.PayIdAddress;
import com.tangem.data.network.model.PayIdResponse;
import com.tangem.tangem_card.data.TangemCard;
import com.tangem.tangem_card.reader.CardProtocol;
import com.tangem.tangem_card.tasks.SignTask;
@ -44,6 +47,10 @@ import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.List;
import io.reactivex.CompletableObserver;
import io.reactivex.SingleObserver;
import io.reactivex.observers.DisposableCompletableObserver;
import io.reactivex.observers.DisposableSingleObserver;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
@ -147,6 +154,10 @@ public class BinanceEngine extends CoinEngine {
return false;
}
if (address.contains("$")) { // PayID
return validatePayId(address);
}
try {
Crypto.decodeAddress(address);
} catch (Exception e) {
@ -350,6 +361,14 @@ public class BinanceEngine extends CoinEngine {
public SignTask.TransactionToSign constructTransaction(Amount amountValue, Amount feeValue, boolean IncFee, String targetAddress) throws Exception {
checkBlockchainDataExists();
String destination;
//PayID
if (coinData.getResolvedPayIdAddress() != null) {
destination = coinData.getResolvedPayIdAddress();
} else {
destination = targetAddress;
}
String amount;
if (IncFee) {
@ -368,7 +387,7 @@ public class BinanceEngine extends CoinEngine {
Transfer transfer = new Transfer();
transfer.setCoin("BNB");
transfer.setFromAddress(ctx.getCoinData().getWallet());
transfer.setToAddress(targetAddress);
transfer.setToAddress(destination);
transfer.setAmount(amount);
TransactionOption options = TransactionOption.DEFAULT_INSTANCE;
@ -466,6 +485,27 @@ public class BinanceEngine extends CoinEngine {
}
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
CompletableObserver payIdObserver = new DisposableCompletableObserver() {
@Override
public void onComplete() {
checkFee(blockchainRequestsCallbacks);
}
@Override
public void onError(Throwable e) {
ctx.setError(e.getMessage());
blockchainRequestsCallbacks.onComplete(false);
}
};
if (targetAddress.contains("$")) { // PayID
resolvePayID(targetAddress, payIdObserver);
} else {
checkFee(blockchainRequestsCallbacks);
}
}
private void checkFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
try {
String baseUrl;
@ -519,6 +559,42 @@ public class BinanceEngine extends CoinEngine {
}
}
private void resolvePayID(String targetAddress, CompletableObserver observer) {
final ServerApiPayId serverApiPayId = new ServerApiPayId();
SingleObserver<PayIdResponse> payIdObserver = new DisposableSingleObserver<PayIdResponse>() {
@Override
public void onSuccess(PayIdResponse payIdResponse) {
try {
String resolvedAddress = null;
for (PayIdAddress address : payIdResponse.getAddresses()) {
if (address.getPaymentNetwork().equals(ctx.getBlockchain().getCurrency()) &&
address.getEnvironment().equals("MAINNET")) {
resolvedAddress = address.getAddressDetails().getAddress();
break;
}
}
if (validateAddress(resolvedAddress)) {
coinData.setResolvedPayIdAddress(resolvedAddress);
observer.onComplete();
} else {
observer.onError(new Exception("Unknown address format in PayID response"));
}
} catch (Exception e) {
observer.onError(new Exception("Unknown response format on PayID request"));
}
}
@Override
public void onError(Throwable e) {
Log.i(TAG, "onFail: " + "payID" + " " + e.getMessage());
observer.onError(new Exception("PayID error:" + e.getMessage()));
}
};
serverApiPayId.getAddress(targetAddress, ctx.getBlockchain(), payIdObserver);
}
public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
// RequestBody requestBody = TransactionRequestAssemblerExtSign.createRequestBody(txForSend);
try {