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Updated on 2026-08-14

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Tangem 2020-06-11 12:53:11 +03:00
parent b476f20da5
commit 6e5b272987
12 changed files with 198 additions and 141 deletions
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108
app/src/main/java/com/tangem/wallet/xrp/XrpEngine.java
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@ -10,7 +10,9 @@ import com.ripple.crypto.ecdsa.ECDSASignature;
import com.ripple.encodings.addresses.Addresses;
import com.ripple.utils.HashUtils;
import com.tangem.App;
import com.tangem.data.network.ServerApiPayId;
import com.tangem.data.network.ServerApiRipple;
import com.tangem.data.network.model.PayIdResponse;
import com.tangem.data.network.model.RippleResponse;
import com.tangem.tangem_card.data.TangemCard;
import com.tangem.tangem_card.reader.CardProtocol;
@ -27,8 +29,14 @@ import com.tangem.wallet.TangemContext;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URL;
import java.util.Arrays;
import io.reactivex.SingleObserver;
import io.reactivex.observers.DisposableSingleObserver;
import io.xpring.xrpl.ClassicAddress;
import io.xpring.xrpl.Utils;
public class XrpEngine extends CoinEngine {
private static final String TAG = XrpEngine.class.getSimpleName();
@ -116,25 +124,31 @@ public class XrpEngine extends CoinEngine {
if (address == null || address.isEmpty()) {
return false;
}
if (address.contains("$")) { // PayID
String[] addressParts = address.split("\\$");
if (address.length() < 25) {
return false;
}
if (address.length() > 35) {
return false;
}
if (!address.startsWith("r")) {
return false;
if (addressParts.length != 2) {
return false;
}
String addressURL = "https://" + addressParts[1] + "/" + addressParts[0];
try {
new URL(addressURL).toURI();
return true;
} catch (Exception e) {
return false;
}
}
try {
Addresses.decodeAccountID(address);
return true;
} catch (Exception e) {
return false;
// X-address
ClassicAddress classicAddress = Utils.decodeXAddress(address);
if (classicAddress == null) {
return false;
}
return !classicAddress.isTest();
}
return true;
}
@Override
@ -342,7 +356,22 @@ public class XrpEngine extends CoinEngine {
public SignTask.TransactionToSign constructTransaction(Amount amountValue, Amount feeValue, boolean IncFee, String targetAddress) throws Exception {
checkBlockchainDataExists();
String amount, fee;
String amount, fee, destination;
Integer destinationTag = null;
//PayID
if (coinData.getResolvedPayIdAddress() != null) {
destination = coinData.getResolvedPayIdAddress();
} else {
destination = targetAddress;
}
//X-address
ClassicAddress classicAddress = Utils.decodeXAddress(destination);
if (classicAddress != null) {
destination = classicAddress.address();
destinationTag = classicAddress.tag().get();
}
if (IncFee) {
amount = convertToInternalAmount(amountValue).subtract(convertToInternalAmount(feeValue)).setScale(0).toPlainString();
@ -363,10 +392,13 @@ public class XrpEngine extends CoinEngine {
// Put `as` AccountID field Account, `Object` o
payment.as(AccountID.Account, coinData.getWallet());
payment.as(AccountID.Destination, targetAddress);
payment.as(AccountID.Destination, destination);
payment.as(com.ripple.core.coretypes.Amount.Amount, amount);
payment.as(UInt32.Sequence, coinData.getSequence());
payment.as(com.ripple.core.coretypes.Amount.Fee, fee);
if (destinationTag != null) {
payment.as(UInt32.DestinationTag, destinationTag);
}
XrpSignedTransaction signedTx = payment.prepare(canonisePubKey(ctx.getCard().getWalletPublicKeyRar()));
@ -525,6 +557,7 @@ public class XrpEngine extends CoinEngine {
@Override
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
final ServerApiRipple serverApiRipple = new ServerApiRipple();
final ServerApiPayId serverApiPayId = new ServerApiPayId();
ServerApiRipple.ResponseListener rippleListener = new ServerApiRipple.ResponseListener() {
@Override
@ -542,7 +575,7 @@ public class XrpEngine extends CoinEngine {
coinData.setTargetAccountCreated(true); //expected behaviour, if account exists, there should be no error code -> null pointer
}
if (serverApiRipple.isRequestsSequenceCompleted()) {
if (serverApiRipple.isRequestsSequenceCompleted() && serverApiPayId.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
@ -566,7 +599,7 @@ public class XrpEngine extends CoinEngine {
ctx.setError(e.getMessage());
}
if (serverApiRipple.isRequestsSequenceCompleted()) {
if (serverApiRipple.isRequestsSequenceCompleted() && serverApiPayId.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
@ -585,9 +618,46 @@ public class XrpEngine extends CoinEngine {
};
serverApiRipple.setResponseListener(rippleListener);
serverApiRipple.requestData(ServerApiRipple.RIPPLE_ACCOUNT_INFO, targetAddress, "");
serverApiRipple.requestData(ServerApiRipple.RIPPLE_FEE, "", "");
if (targetAddress.contains("$")) { // PayID
SingleObserver<PayIdResponse> observer = new DisposableSingleObserver<PayIdResponse>() {
@Override
public void onSuccess(PayIdResponse payIdResponse) {
try {
String resolvedAddress = payIdResponse.getAddresses().get(0).getAddressDetails().getAddress();
if (validateAddress(resolvedAddress)) {
coinData.setResolvedPayIdAddress(resolvedAddress);
//check if target account is created
serverApiRipple.requestData(ServerApiRipple.RIPPLE_ACCOUNT_INFO, resolvedAddress, ""); //TODO: maybe just assume PayID account is created?
} else {
ctx.setError("Unknown address format in PayID response");
}
} catch (Exception e) {
ctx.setError("FAIL payID Exception");
}
if (serverApiRipple.isRequestsSequenceCompleted() && serverApiPayId.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
}
}
@Override
public void onError(Throwable e) {
Log.i(TAG, "onFail: " + "payID" + " " + e.getMessage());
ctx.setError(e.getMessage());
blockchainRequestsCallbacks.onComplete(false);
}
};
serverApiPayId.getAddress(targetAddress, observer);
} else {
//check if target account is created
serverApiRipple.requestData(ServerApiRipple.RIPPLE_ACCOUNT_INFO, targetAddress, "");
}
}
@Override