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Updated on 2026-08-14

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This commit is contained in:
Tangem 2019-02-20 19:05:03 +03:00
parent b036295cd5
commit 21538aee90
2 changed files with 55 additions and 17 deletions
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3
app/src/main/java/com/tangem/domain/wallet/CoinEngine.java
View file

@ -6,6 +6,7 @@ import android.text.InputFilter;
import com.tangem.tangemcard.reader.CardProtocol;
import com.tangem.tangemcard.tasks.SignTask;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
@ -216,7 +217,7 @@ public abstract class CoinEngine {
public abstract boolean validateAddress(String address);
public abstract String calculateAddress(byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException, CborException;
public abstract String calculateAddress(byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException, CborException, IOException;
public abstract Amount convertToAmount(InternalAmount internalAmount) throws Exception;

69
app/src/main/java/com/tangem/domain/wallet/cardano/CardanoEngine.java
View file

@ -22,8 +22,12 @@ import com.tangem.tangemcard.util.Util;
import com.tangem.util.DecimalDigitsInputFilter;
import com.tangem.wallet.R;
import org.spongycastle.crypto.Digest;
import org.spongycastle.crypto.util.DigestFactory;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.List;
@ -285,10 +289,34 @@ public class CardanoEngine extends CoinEngine {
}
@Override
public String calculateAddress(byte[] pkUncompressed) throws CborException {
public String calculateAddress(byte[] pkUncompressed) throws CborException, IOException {
ByteArrayOutputStream exBaos = new ByteArrayOutputStream();
exBaos.write(pkUncompressed);
exBaos.write(BTCUtils.fromHex("0000000000000000000000000000000000000000000000000000000000000000"));
byte[] pkExtended = exBaos.toByteArray();
exBaos.reset();
new CborEncoder(exBaos).encode(new CborBuilder()
.addArray()
.add(0)
.addArray()
.add(0)
.add(pkExtended)
.end()
.addMap()
.end()
.end()
.build());
byte[] forSha3 = exBaos.toByteArray();
Digest sha3 = DigestFactory.createSHA3_256();
sha3.update(forSha3, 0, forSha3.length);
byte[] forBlake = new byte[32];
sha3.doFinal(forBlake, 0);
final Blake2b blake2b = Blake2b.Digest.newInstance(28);
byte[] pkHash = blake2b.digest(pkUncompressed);
byte[] pkHash = blake2b.digest(forBlake);
//pkHash + attributes
ByteArrayOutputStream baos = new ByteArrayOutputStream();
@ -461,7 +489,7 @@ public class CardanoEngine extends CoinEngine {
//dataToSign prefix
baos.reset();
baos.write(new byte[] {(byte) 0x01});
baos.write(new byte[]{(byte) 0x01});
baos.write(magic);
baos.write(new byte[]{(byte) 0x58, (byte) 0x20});
@ -469,7 +497,6 @@ public class CardanoEngine extends CoinEngine {
byte[] dataToSign = baos.toByteArray();
return new SignTask.TransactionToSign() {
@Override
@ -501,11 +528,16 @@ public class CardanoEngine extends CoinEngine {
@Override
public byte[] onSignCompleted(byte[] signFromCard) throws Exception {
ByteArrayOutputStream exBaos = new ByteArrayOutputStream();
exBaos.write(ctx.getCard().getWalletPublicKey());
exBaos.write(BTCUtils.fromHex("0000000000000000000000000000000000000000000000000000000000000000"));
byte[] pkExtended = exBaos.toByteArray();
//pubkey + signature
baos.reset();
new CborEncoder(baos).encode(new CborBuilder()
.addArray()
.add(ctx.getCard().getWalletPublicKey())
.add(pkExtended)
.add(signFromCard)
.end()
.build());
@ -516,23 +548,28 @@ public class CardanoEngine extends CoinEngine {
//witness type + witness body
baos.reset();
new CborEncoder(baos).encode(new CborBuilder()
.addArray()
.addArray()
.add(0)
.add(witnessBodyItem)
.end()
.end()
.build());
byte[] witness = baos.toByteArray();
baos.reset();
new CborEncoder(baos).encode(new CborBuilder()
.addArray()
.add(txBody)
.add(witness)
.end()
.build());
baos.write(new byte[]{(byte) 0x82});
baos.write(txBody);
baos.write(witness);
// new CborEncoder(baos).encode(new CborBuilder()
// .addArray()
// .add(txBody)
// .add(witness)
// .end()
// .build());
byte[] txForSend = baos.toByteArray();
notifyOnNeedSendTransaction(txForSend);
String hex = BTCUtils.toHex(txForSend);
// String hex = BTCUtils.toHex(txForSend);
return txForSend;
}
};
@ -613,9 +650,9 @@ public class CardanoEngine extends CoinEngine {
@Override
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
coinData.minFee = new Amount(new BigDecimal(0.2).setScale(6, RoundingMode.DOWN), ctx.getBlockchain().getCurrency());
coinData.normalFee = new Amount(new BigDecimal(0.2).setScale(6, RoundingMode.DOWN), ctx.getBlockchain().getCurrency());
coinData.maxFee = new Amount(new BigDecimal(0.2).setScale(6, RoundingMode.DOWN), ctx.getBlockchain().getCurrency());
coinData.minFee = new Amount(new BigDecimal(0.2).setScale(getDecimals(), RoundingMode.DOWN), getFeeCurrency());
coinData.normalFee = new Amount(new BigDecimal(0.2).setScale(getDecimals(), RoundingMode.DOWN), getFeeCurrency());
coinData.maxFee = new Amount(new BigDecimal(0.2).setScale(getDecimals(), RoundingMode.DOWN), getFeeCurrency());
blockchainRequestsCallbacks.onComplete(true);
}
@ -624,7 +661,7 @@ public class CardanoEngine extends CoinEngine {
public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
final ServerApiAdalite serverApiAdalite = new ServerApiAdalite();
final String txStr = Base64.encodeToString(txForSend, Base64.NO_WRAP);
// BTCUtils.toHex(txForSend);
// BTCUtils.toHex(txForSend);
final ServerApiAdalite.ResponseListener responseListener = new ServerApiAdalite.ResponseListener() {
@Override