Updated on 2026-08-14
This commit is contained in:
Tangem
commit
e611a8c352
3 changed files with 85 additions and 110 deletions
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@ -27,7 +27,7 @@ public class ServerApiAdalite {
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private int requestsCount = 0;
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private final String adaliteURL1 = "https://explorer3.adalite.io"; //TODO: make random selection, add more?, move
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private final String adaliteURL1 = "https://explorer2.adalite.io"; //TODO: make random selection, add more?, move
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private final String adaliteURL2 = "https://nodes.southeastasia.cloudapp.azure.com";
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private String currentURL = adaliteURL1;
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@ -153,8 +153,8 @@ public class Bech32 {
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boolean lower = false, upper = false;
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if (str.length() < 8)
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throw new AddressFormatException.InvalidDataLength("Input too short: " + str.length());
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if (str.length() > 90)
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throw new AddressFormatException.InvalidDataLength("Input too long: " + str.length());
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// if (str.length() > 90)
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// throw new AddressFormatException.InvalidDataLength("Input too long: " + str.length());
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for (int i = 0; i < str.length(); ++i) {
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char c = str.charAt(i);
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if (c < 33 || c > 126) throw new AddressFormatException.InvalidCharacter(c, i);
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@ -28,6 +28,8 @@ import com.tangem.wallet.CoinData;
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import com.tangem.wallet.CoinEngine;
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import com.tangem.wallet.R;
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import com.tangem.wallet.TangemContext;
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import com.tangem.wallet.binance.client.encoding.Bech32;
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import com.tangem.wallet.binance.client.encoding.Crypto;
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import org.spongycastle.crypto.Digest;
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import org.spongycastle.crypto.util.DigestFactory;
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@ -45,6 +47,7 @@ import co.nstant.in.cbor.CborDecoder;
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import co.nstant.in.cbor.CborEncoder;
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import co.nstant.in.cbor.CborException;
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import co.nstant.in.cbor.builder.ArrayBuilder;
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import co.nstant.in.cbor.builder.MapBuilder;
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import co.nstant.in.cbor.model.Array;
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import co.nstant.in.cbor.model.ByteString;
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import co.nstant.in.cbor.model.DataItem;
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@ -63,6 +66,8 @@ public class CardanoEngine extends CoinEngine {
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private static final long protocolMagic = 764824073;
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private static final String BECH32_HRP = "addr1";
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public CardanoData coinData = null;
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public CardanoEngine(TangemContext context) throws Exception {
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@ -154,6 +159,15 @@ public class CardanoEngine extends CoinEngine {
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return validatePayId(address);
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}
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if (address.startsWith(BECH32_HRP)) {
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try {
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Bech32.decode(address);
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return true;
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} catch (Exception e) {
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return false;
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}
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}
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byte[] decAddress = Base58.decodeBase58(address);
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if (decAddress == null || decAddress.length == 0) {
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@ -418,6 +432,14 @@ public class CardanoEngine extends CoinEngine {
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destination = targetAddress;
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}
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byte[] destinationBytes;
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if (destination.startsWith(BECH32_HRP)) {
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byte[] decoded = Bech32.decode(destination).getData();
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destinationBytes = Crypto.convertBits(decoded, 0, decoded.length, 5, 8, false);
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} else {
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destinationBytes = decodeBase58(destination);
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}
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String myAddress = ctx.getCoinData().getWallet();
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byte[] pbKey = ctx.getCard().getWalletPublicKey();
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List<CardanoData.UnspentOutput> utxoList = coinData.getUnspentOutputs();
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@ -440,82 +462,76 @@ public class CardanoEngine extends CoinEngine {
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final long amountFinal = amount;
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final long changeFinal = change;
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if (amountFinal < 1000000 || (changeFinal < 1000000 && changeFinal != 0)) {
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throw new IllegalArgumentException("Sent amount and change cannot be less than 1 ADA");
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}
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//TODO - uncomment
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// if (amount + fees > fullAmount) {
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// throw new CardProtocol.TangemException_WrongAmount(String.format("Balance (%d) < change (%d) + amount (%d)", fullAmount, change, amount));
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// }
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CborBuilder cborBuilder = new CborBuilder();
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ArrayBuilder<CborBuilder> txArray = cborBuilder.addArray();
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ArrayBuilder<ArrayBuilder<CborBuilder>> inputsArray = txArray.startArray();
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ArrayBuilder<ArrayBuilder<CborBuilder>> outputsArray = txArray.startArray();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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MapBuilder<CborBuilder> transactionMap = new CborBuilder().addMap();
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//Inputs
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ArrayBuilder<CborBuilder> inputsArray = new CborBuilder().addArray();
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for (CardanoData.UnspentOutput utxo : utxoList) {
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baos.reset();
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//txID + inputPos
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new CborEncoder(baos).encode(new CborBuilder()
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.addArray()
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inputsArray.addArray()
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.add(Util.fromHexString(utxo.txID))
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.add(utxo.Index)
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.end()
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.build());
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byte[] input = baos.toByteArray();
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DataItem inputItem = new CborBuilder().add(input).build().get(0);
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inputItem.setTag(24);
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//input type + input
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inputsArray
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.addArray()
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.add(0)
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.add(inputItem)
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.end();
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.add(utxo.Index);
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}
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DataItem inputsDataItem = inputsArray.end().build().get(0);
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DataItem inputsKey = new CborBuilder().add(0).build().get(0);
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transactionMap.put(inputsKey, inputsDataItem);
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ArrayBuilder<CborBuilder> outputsArray = new CborBuilder().addArray();
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//1st output
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DataItem targetAddressItem = new CborDecoder(new ByteArrayInputStream(decodeBase58(destination))).decode().get(0);
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outputsArray
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.addArray()
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.add(targetAddressItem)
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.add(amountFinal)
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.end();
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.add(destinationBytes)
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.add(amountFinal);
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//2nd output (optional)
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if (changeFinal > 0) {
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DataItem myAddressItem = new CborDecoder(new ByteArrayInputStream(decodeBase58(myAddress))).decode().get(0);
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outputsArray
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.addArray()
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.add(myAddressItem)
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.add(decodeBase58(myAddress))
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.add(changeFinal)
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.end();
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}
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inputsArray.end();
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outputsArray.end();
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DataItem outputsDataItem = outputsArray.end().build().get(0);
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DataItem outputsKey = new CborBuilder().add(1).build().get(0);
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transactionMap.put(outputsKey, outputsDataItem);
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txArray.addMap().end();
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transactionMap.put(2, fees);
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transactionMap.put(3, 90000000);
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baos.reset();
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new CborEncoder(baos).encode(cborBuilder.build());
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DataItem txBodyDataItem = transactionMap.end().build().get(0);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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new CborEncoder(baos).encode(new CborBuilder().add(txBodyDataItem).build());
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byte[] txBody = baos.toByteArray();
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final Blake2b blake2b = Blake2b.Digest.newInstance(32);//28?
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final Blake2b blake2b = Blake2b.Digest.newInstance(32);
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byte[] txHash = blake2b.digest(txBody);
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baos.reset();
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new CborEncoder(baos).encode(new CborBuilder().add(protocolMagic).build());
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byte[] magic = baos.toByteArray();
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//dataToSign prefix
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baos.reset();
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baos.write(new byte[]{(byte) 0x01});
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baos.write(magic);
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baos.write(new byte[]{(byte) 0x58, (byte) 0x20});
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baos.write(txHash);
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byte[] dataToSign = baos.toByteArray();
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// baos.reset();
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// new CborEncoder(baos).encode(new CborBuilder().add(protocolMagic).build());
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// byte[] magic = baos.toByteArray();
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//
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// //dataToSign prefix
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// baos.reset();
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// baos.write(new byte[]{(byte) 0x01});
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// baos.write(magic);
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// baos.write(new byte[]{(byte) 0x58, (byte) 0x20});
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//
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// baos.write(txHash);
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// byte[] dataToSign = baos.toByteArray();
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byte[] dataToSign = txHash;
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return new SignTask.TransactionToSign() {
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@ -549,50 +565,24 @@ public class CardanoEngine extends CoinEngine {
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@Override
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public byte[] onSignCompleted(byte[] signFromCard) throws Exception {
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ByteArrayOutputStream exBaos = new ByteArrayOutputStream();
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exBaos.write(ctx.getCard().getWalletPublicKey());
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exBaos.write(BTCUtils.fromHex("0000000000000000000000000000000000000000000000000000000000000000"));
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byte[] pkExtended = exBaos.toByteArray();
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CborBuilder signedTxBuilder = new CborBuilder();
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ArrayBuilder<CborBuilder> txArray = signedTxBuilder.addArray();
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txArray.add(txBodyDataItem);
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MapBuilder<ArrayBuilder<CborBuilder>> witnessMap = txArray.addMap();
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txArray.add((DataItem) null);
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//pubkey + signature
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baos.reset();
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new CborEncoder(baos).encode(new CborBuilder()
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.addArray()
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.add(pkExtended)
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DataItem witnessDataItem = new CborBuilder().addArray().addArray()
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.add(pbKey)
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.add(signFromCard)
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.end()
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.build());
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byte[] witnessBody = baos.toByteArray();
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DataItem witnessBodyItem = new CborBuilder().add(witnessBody).build().get(0);
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witnessBodyItem.setTag(24);
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.add(BTCUtils.fromHex("0000000000000000000000000000000000000000000000000000000000000000"))
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.add(BTCUtils.fromHex("A0"))
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.end().end().build().get(0);
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//array of witnesses
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CborBuilder witnessBuilder = new CborBuilder();
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ArrayBuilder<CborBuilder> witnessArrayBuilder = witnessBuilder.addArray();
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//witness type + witness body
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for (CardanoData.UnspentOutput utxo : coinData.getUnspentOutputs()) {
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witnessArrayBuilder
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.addArray()
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.add(0)
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.add(witnessBodyItem)
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.end();
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}
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DataItem witnessKey = new CborBuilder().add(2).build().get(0);
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witnessMap.put(witnessKey, witnessDataItem);
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baos.reset();
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new CborEncoder(baos).encode(witnessBuilder.build());
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byte[] witness = baos.toByteArray();
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baos.reset();
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baos.write(new byte[]{(byte) 0x82});
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baos.write(txBody);
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baos.write(witness);
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// new CborEncoder(baos).encode(new CborBuilder()
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// .addArray()
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// .add(txBody)
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// .add(witness)
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// .end()
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// .build());
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new CborEncoder(baos).encode(signedTxBuilder.build());
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byte[] txForSend = baos.toByteArray();
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notifyOnNeedSendTransaction(txForSend);
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//String hex = BTCUtils.toHex(txForSend);
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@ -601,24 +591,9 @@ public class CardanoEngine extends CoinEngine {
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};
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}
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private int calculateEstimatedTransactionSize(String targetAddress, Amount amount) {
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Amount feeDummy = new Amount(new BigDecimal(0.2).setScale(getDecimals(), RoundingMode.DOWN), getFeeCurrency());
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try {
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OnNeedSendTransaction onNeedSendTransactionBackup = onNeedSendTransaction;
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onNeedSendTransaction = (tx) -> {
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}; // empty function to bypass exception
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SignTask.TransactionToSign ttsDummy = constructTransaction(amount, feeDummy, true, targetAddress);
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byte[] txForSendDummy = ttsDummy.onSignCompleted(new byte[64]);
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onNeedSendTransaction = onNeedSendTransactionBackup;
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Log.e(TAG, "txForSendDummy.length=" + String.valueOf(txForSendDummy.length));
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return txForSendDummy.length;
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} catch (Exception e) {
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e.printStackTrace();
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Log.e(TAG, "Can't calculate transaction size -> use default!");
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return 1000;
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}
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private int calculateEstimatedTransactionSize(Amount amount) {
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int outputsNumber = coinData.getBalance() == convertToInternalAmount(amount).longValueExact() ? 1 : 2;
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return coinData.getUnspentOutputs().size() * 40 + outputsNumber * 65 + 160;
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}
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@Override
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@ -720,7 +695,7 @@ public class CardanoEngine extends CoinEngine {
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CompletableObserver payIdObserver = new DisposableCompletableObserver() {
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@Override
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public void onComplete() {
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int calcSize = calculateEstimatedTransactionSize(coinData.getResolvedPayIdAddress(), amount);
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int calcSize = calculateEstimatedTransactionSize(amount);
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Log.e(TAG, String.format("Estimated tx size %d", calcSize));
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calculateFee(calcSize);
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@ -738,7 +713,7 @@ public class CardanoEngine extends CoinEngine {
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if (targetAddress.contains("$")) { // PayID
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resolvePayID(targetAddress, payIdObserver);
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} else {
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int calcSize = calculateEstimatedTransactionSize(targetAddress, amount);
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int calcSize = calculateEstimatedTransactionSize(amount);
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Log.e(TAG, String.format("Estimated tx size %d", calcSize));
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calculateFee(calcSize);
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