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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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87
app/src/main/java/com/tangem/wallet/bch/BtcCashEngine.java
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@ -6,11 +6,14 @@ import android.util.Log;
import com.tangem.App;
import com.tangem.data.network.ServerApiBlockchair;
import com.tangem.data.network.ServerApiPayId;
import com.tangem.data.network.model.BlockchairAddressData;
import com.tangem.data.network.model.BlockchairAddressResponse;
import com.tangem.data.network.model.BlockchairStatsResponse;
import com.tangem.data.network.model.BlockchairTransactionResponse;
import com.tangem.data.network.model.BlockchairUnspentOutput;
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;
@ -130,6 +133,10 @@ public class BtcCashEngine extends CoinEngine {
@Override
public boolean validateAddress(String address) {
if (address != null && address.contains("$")) { // PayID
return validatePayId(address);
}
return CashAddr.isValidCashAddress(address);
}
@ -373,8 +380,16 @@ public class BtcCashEngine extends CoinEngine {
public SignTask.TransactionToSign constructTransaction(Amount amountValue, Amount feeValue, boolean IncFee, String targetAddress) throws Exception {
checkBlockchainDataExists();
String destination;
//PayID
if (coinData.getResolvedPayIdAddress() != null) {
destination = coinData.getResolvedPayIdAddress();
} else {
destination = targetAddress;
}
String srcLegacyAddress = convertToLegacyAddress(ctx.getCoinData().getWallet());
String destLegacyAddress = convertToLegacyAddress(targetAddress);
String destLegacyAddress = convertToLegacyAddress(destination);
byte[] pbKey = ctx.getCard().getWalletPublicKeyRar(); //ALWAYS USING COMPRESS KEY
final ArrayList<UnspentOutputInfo> unspentOutputs = new ArrayList<>();
@ -576,8 +591,38 @@ public class BtcCashEngine extends CoinEngine {
@Override
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) throws Exception {
final int calcSize = calculateEstimatedTransactionSize(targetAddress, amount.toValueString());
Log.e(TAG, String.format("Estimated tx size %d", calcSize));
CompletableObserver payIdObserver = new DisposableCompletableObserver() {
@Override
public void onComplete() {
int calcSize = calculateEstimatedTransactionSize(coinData.getResolvedPayIdAddress(), amount.toValueString());
Log.e(TAG, String.format("Estimated tx size %d", calcSize));
checkFee(blockchainRequestsCallbacks, calcSize);
blockchainRequestsCallbacks.onComplete(true);
}
@Override
public void onError(Throwable e) {
ctx.setError(e.getMessage());
blockchainRequestsCallbacks.onComplete(false);
}
};
if (targetAddress.contains("$")) { // PayID
resolvePayID(targetAddress, payIdObserver);
} else {
int calcSize = calculateEstimatedTransactionSize(targetAddress, amount.toValueString());
Log.e(TAG, String.format("Estimated tx size %d", calcSize));
checkFee(blockchainRequestsCallbacks, calcSize);
blockchainRequestsCallbacks.onComplete(true);
}
}
private void checkFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, int calcSize) {
coinData.minFee = null;
coinData.maxFee = null;
coinData.normalFee = null;
@ -618,6 +663,42 @@ public class BtcCashEngine extends CoinEngine {
serverApiBlockchair.getStats(statsObserver);
}
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);
}
@Override
public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) throws Exception {
final ServerApiBlockchair serverApiBlockchair = new ServerApiBlockchair(ctx.getBlockchain());