Updated on 2026-08-14
This commit is contained in:
Tangem
parent
07b30e1f02
commit
a4de111290
31 changed files with 2365 additions and 240 deletions
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@ -4,9 +4,6 @@ import android.net.Uri;
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import android.text.InputFilter;
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import android.util.Log;
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import com.google.common.primitives.Bytes;
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import com.tangem.App;
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import com.tangem.Constant;
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import com.tangem.data.Blockchain;
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import com.tangem.data.network.ServerApiBlockcypher;
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import com.tangem.data.network.ServerApiInfura;
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@ -18,11 +15,11 @@ import com.tangem.data.network.model.InfuraResponse;
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import com.tangem.tangem_card.data.TangemCard;
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import com.tangem.tangem_card.reader.CardProtocol;
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import com.tangem.tangem_card.tasks.SignTask;
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import com.tangem.tangem_card.util.Util;
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import com.tangem.util.CryptoUtil;
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import com.tangem.util.DecimalDigitsInputFilter;
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import com.tangem.wallet.BTCUtils;
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import com.tangem.wallet.BalanceValidator;
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import com.tangem.wallet.BuildConfig;
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import com.tangem.wallet.CoinData;
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import com.tangem.wallet.CoinEngine;
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import com.tangem.wallet.ECDSASignatureETH;
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@ -32,7 +29,6 @@ import com.tangem.wallet.R;
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import com.tangem.wallet.TangemContext;
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import com.tangem.wallet.eth.EthData;
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import org.bitcoin.Secp256k1Context;
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import org.bitcoinj.core.ECKey;
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import org.bitcoinj.core.SignatureDecodeException;
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import org.bitcoinj.crypto.ChildNumber;
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@ -44,21 +40,19 @@ import java.math.BigInteger;
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import java.math.RoundingMode;
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import java.util.Arrays;
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import io.github.novacrypto.bip32.ExtendedPublicKey;
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public class EthIdEngine extends CoinEngine {
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private static final String TAG = com.tangem.wallet.eth.EthEngine.class.getSimpleName();
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public EthIdData coinData = null;
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String approvalAddress = ""; //TODO
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byte[] approvalPubKey = new byte[1]; //TODO
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byte[] approvalPubKey = Util.hexToBytes("04EAD74FEEE4061044F46B19EB654CEEE981E9318F0C8FE99AF5CDB9D779D2E52BB51EA2D14545E0B323F7A90CF4CC72753C973149009C10DB2D83DCEC28487729"); //TODO
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public String approvalAddress = calculateAddress(approvalPubKey); //TODO
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public EthIdEngine(TangemContext ctx) throws Exception {
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super(ctx);
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if (ctx.getCoinData() == null) {
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coinData = new EthIdData();
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ctx.setCoinData(coinData);
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} else if (ctx.getCoinData() instanceof EthData) {
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} else if (ctx.getCoinData() instanceof EthIdData) {
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coinData = (EthIdData) ctx.getCoinData();
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} else {
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throw new Exception("Invalid type of Blockchain data for " + this.getClass().getSimpleName());
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@ -74,29 +68,29 @@ public class EthIdEngine extends CoinEngine {
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}
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private int getChainIdNum() {
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return ctx.getBlockchain() == Blockchain.Ethereum ? EthTransaction.ChainEnum.Mainnet.getValue() : EthTransaction.ChainEnum.Rinkeby.getValue();
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return EthTransaction.ChainEnum.Mainnet.getValue();
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}
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@Override
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public boolean awaitingConfirmation() {
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return !coinData.getUnconfirmedTXCount().equals(coinData.getConfirmedTXCount()) || App.pendingTransactionsStorage.hasTransactions(ctx.getCard());
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return false;
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}
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@Override
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public Amount getBalance() {
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if (!hasBalanceInfo()) {
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return null;
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}
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return convertToAmount(coinData.getBalanceInInternalUnits());
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return null;
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}
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@Override
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public String getBalanceHTML() {
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Amount balance = getBalance();
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if (balance != null) {
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return balance.toDescriptionString(getDecimals());
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if (coinData != null) {
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if (coinData.isHasApprovalTx()) {
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return "VERIFIED";
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} else {
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return "NOT REGISTERED";
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}
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} else {
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return "";
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return "NOT REGISTERED";
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}
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}
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@ -107,9 +101,7 @@ public class EthIdEngine extends CoinEngine {
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@Override
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public boolean isBalanceNotZero() {
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if (coinData == null) return false;
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if (coinData.getBalanceInInternalUnits() == null) return false;
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return coinData.getBalanceInInternalUnits().notZero();
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return true;
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}
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@Override
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@ -124,7 +116,7 @@ public class EthIdEngine extends CoinEngine {
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@Override
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public CoinData createCoinData() {
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return new EthData();
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return new EthIdData();
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}
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@Override
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@ -132,14 +124,6 @@ public class EthIdEngine extends CoinEngine {
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return "";
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}
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// BigDecimal convertToEth(String value) {
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// BigInteger m = new BigInteger(value, 10);
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// BigDecimal n = new BigDecimal(m);
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// BigDecimal d = n.divide(new BigDecimal("1000000000000000000"));
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// d = d.setScale(8, RoundingMode.DOWN);
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// return d;
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// }
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@Override
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public boolean validateAddress(String address) {
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if (address == null || address.isEmpty()) {
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@ -157,43 +141,6 @@ public class EthIdEngine extends CoinEngine {
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return true;
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}
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// public String getBalanceValue(TangemCard mCard) {
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// String dec = coinData.getBalanceInInternalUnits();
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// BigDecimal d = convertToEth(dec);
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// String s = d.toString();
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//
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// String pattern = "#0.##################"; // If you like 4 zeros
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// DecimalFormat myFormatter = new DecimalFormat(pattern);
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// String output = myFormatter.format(d);
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// return output;
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// }
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// public static String getAmountEquivalentDescription(Amount amount, double rateValue) {
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// if (amount == null || amount.compareTo(BigDecimal.ZERO) == 0)
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// return "";
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//
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// if (rateValue > 0) {
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// BigDecimal biRate = new BigDecimal(rateValue);
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// BigDecimal exchangeCurs = biRate.multiply(amount);
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// exchangeCurs = exchangeCurs.setScale(2, RoundingMode.DOWN);
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// return "≈ USD " + exchangeCurs.toString();
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// } else {
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// return "";
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// }
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// }
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// public static String getAmountEquivalentDescriptionETH(Double amount, float rate) {
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// if (amount == 0)
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// return "";
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// amount = amount / 100000;
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// if (rate > 0) {
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// return String.format("≈ USD %.2f", amount * rate);
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// } else {
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// return "";
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// }
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//
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// }
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@Override
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public String getBalanceEquivalent() {
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@ -232,7 +179,7 @@ public class EthIdEngine extends CoinEngine {
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@Override
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public boolean hasBalanceInfo() {
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return coinData.getBalanceInInternalUnits() != null;
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return true;
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}
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@Override
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@ -273,88 +220,27 @@ public class EthIdEngine extends CoinEngine {
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@Override
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public boolean checkNewTransactionAmount(Amount amount) {
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if (BuildConfig.FLAVOR == Constant.FLAVOR_TANGEM_CARDANO) {
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return true;
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}
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Amount balance = getBalance();
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if (balance == null || amount.compareTo(balance) > 0) {
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return false;
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}
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return true;
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}
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@Override
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public boolean checkNewTransactionAmountAndFee(Amount amount, Amount fee, Boolean isFeeIncluded) {
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// Long fee = null;
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// Long amount = null;
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// try {
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// amount = mCard.internalUnitsFromString(amountValue);
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// fee = mCard.internalUnitsFromString(feeValue);
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// } catch (Exception e) {
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// e.printStackTrace();
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// return false;
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// }
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//
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// if (fee == null || amount == null)
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// return false;
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//
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// if (fee == 0 || amount == 0)
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// return false;
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//
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//
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// if (fee < minFeeInInternalUnits)
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// return false;
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try {
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BigDecimal cardBalance = getBalance();
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if (isFeeIncluded && (amount.compareTo(cardBalance) > 0 || amount.compareTo(fee) < 0))
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return false;
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if (!isFeeIncluded && amount.add(fee).compareTo(cardBalance) > 0)
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return false;
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} catch (NumberFormatException e) {
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e.printStackTrace();
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}
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return true;
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}
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@Override
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public boolean validateBalance(BalanceValidator balanceValidator) {
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if (getBalance() == null) {
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if (coinData != null && coinData.isHasApprovalTx()) {
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balanceValidator.setScore(100);
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balanceValidator.setFirstLine(R.string.verified);
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balanceValidator.setSecondLine(R.string.balance_validator_second_line_unverified_balance);
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return false;
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} else {
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balanceValidator.setScore(0);
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balanceValidator.setFirstLine(R.string.balance_validator_first_line_unknown_balance);
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balanceValidator.setFirstLine(R.string.not_registered);
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balanceValidator.setSecondLine(R.string.balance_validator_second_line_unverified_balance);
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return false;
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}
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if (!coinData.getUnconfirmedTXCount().equals(coinData.getConfirmedTXCount())) {
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balanceValidator.setScore(0);
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balanceValidator.setFirstLine(R.string.balance_validator_first_line_transaction_in_progress);
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balanceValidator.setSecondLine(R.string.balance_validator_second_line_wait_for_confirmation);
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return false;
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}
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if (coinData.isBalanceReceived()) {
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balanceValidator.setScore(100);
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balanceValidator.setFirstLine(R.string.balance_validator_first_line_verified_balance);
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balanceValidator.setSecondLine(R.string.balance_validator_second_line_confirmed_in_blockchain);
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if (getBalance().isZero()) {
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balanceValidator.setFirstLine(R.string.balance_validator_first_line_empty_wallet);
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balanceValidator.setSecondLine(R.string.empty_string);
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}
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}
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if ((ctx.getCard().getOfflineBalance() != null) && !coinData.isBalanceReceived() && (ctx.getCard().getRemainingSignatures() == ctx.getCard().getMaxSignatures()) && getBalance().notZero()) {
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balanceValidator.setScore(80);
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balanceValidator.setFirstLine(R.string.balance_validator_first_line_verified_offline);
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balanceValidator.setSecondLine(R.string.balance_validator_second_line_internet_to_verify_online);
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}
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return true;
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}
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@Override
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@ -392,29 +278,7 @@ public class EthIdEngine extends CoinEngine {
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@Override
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public SignTask.TransactionToSign constructTransaction(Amount amountValue, Amount feeValue, boolean IncFee, String targetAddress) {
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Log.e(TAG, "Construct transaction " + amountValue.toString() + " with fee " + feeValue.toString() + (IncFee ? " including" : " excluding"));
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BigInteger nonceValue = coinData.getConfirmedTXCount();
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byte[] pbKey = ctx.getCard().getWalletPublicKey();
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BigInteger weiFee = convertToInternalAmount(feeValue).toBigIntegerExact();
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BigInteger weiAmount = convertToInternalAmount(amountValue).toBigIntegerExact();
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if (IncFee) {
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weiAmount = weiAmount.subtract(weiFee);
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}
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BigInteger gasPrice = weiFee.divide(BigInteger.valueOf(21000));
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BigInteger gasLimit = BigInteger.valueOf(21000);
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Integer chainId = this.getChainIdNum();
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String to = targetAddress;
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if (to.startsWith("0x") || to.startsWith("0X")) {
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to = to.substring(2);
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}
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final EthTransaction tx = EthTransaction.create(to, weiAmount, nonceValue, gasPrice, gasLimit, chainId);
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final EthTransaction tx = constructIdTxForSign(coinData.getApprovalAddressNonce());
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return new SignTask.TransactionToSign() {
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@Override
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@ -451,14 +315,14 @@ public class EthIdEngine extends CoinEngine {
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BigInteger s = new BigInteger(1, Arrays.copyOfRange(signFromCard, 32, 64));
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s = CryptoUtil.toCanonicalised(s);
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boolean f = ECKey.verify(for_hash, new ECKey.ECDSASignature(r, s), pbKey);
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boolean f = ECKey.verify(for_hash, new ECKey.ECDSASignature(r, s), approvalPubKey);
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if (!f) {
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Log.e(this.getClass().getSimpleName() + "-CHECK", "sign Failed.");
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}
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tx.signature = new ECDSASignatureETH(r, s);
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int v = tx.BruteRecoveryID2(tx.signature, for_hash, pbKey);
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int v = tx.BruteRecoveryID2(tx.signature, for_hash, approvalPubKey);
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if (v != 27 && v != 28) {
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Log.e(this.getClass().getSimpleName(), "invalid v");
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throw new Exception("Error in " + this.getClass().getSimpleName() + " - invalid v");
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@ -486,7 +350,7 @@ public class EthIdEngine extends CoinEngine {
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//TODO: change request logic, 2000 tx max
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if (blockcypherResponse.getTxrefs() != null) {
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for (BlockcypherTxref txref : blockcypherResponse.getTxrefs()) {
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serverApiBlockcypher.requestData(ctx.getBlockchain().getID(), ServerApiBlockcypher.BLOCKCYPHER_TXS, "", txref.getTx_hash());
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serverApiBlockcypher.requestData("ETH", ServerApiBlockcypher.BLOCKCYPHER_TXS, "", txref.getTx_hash());
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}
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if (serverApiBlockcypher.isRequestsSequenceCompleted()) {
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@ -494,6 +358,8 @@ public class EthIdEngine extends CoinEngine {
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} else {
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blockchainRequestsCallbacks.onProgress();
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}
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} else {
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blockchainRequestsCallbacks.onComplete(!ctx.hasError());
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}
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} catch (Exception e) {
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e.printStackTrace();
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@ -516,7 +382,11 @@ public class EthIdEngine extends CoinEngine {
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public void onSuccess(BlockcypherTx response) {
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Log.i(TAG, "onSuccess: BlockcypherTx");
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try {
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if (response.getAddesses().contains(approvalAddress)) {
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String address = approvalAddress;
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if (address.startsWith("0x") || address.startsWith("0X")) {
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address = address.substring(2);
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}
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if (response.getAddesses().contains(address)) {
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coinData.setHasApprovalTx(true);
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}
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} catch (Exception e) {
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@ -543,7 +413,7 @@ public class EthIdEngine extends CoinEngine {
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serverApiBlockcypher.setResponseListener(blockcypherListener);
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serverApiBlockcypher.setTxResponseListener(txListener);
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serverApiBlockcypher.requestData(ctx.getBlockchain().getID(), ServerApiBlockcypher.BLOCKCYPHER_ADDRESS, ctx.getCoinData().getWallet(), "");
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serverApiBlockcypher.requestData("ETH", ServerApiBlockcypher.BLOCKCYPHER_ADDRESS, ctx.getCoinData().getWallet(), "");
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requestApprovalAddressNonce();
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}
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@ -599,7 +469,7 @@ public class EthIdEngine extends CoinEngine {
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@Override
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public void defineWallet() throws CardProtocol.TangemException {
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try {
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String wallet = calculateAddress(calculateCKDpub(ctx.getIdHash)); //TODO
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String wallet = calculateAddress(calculateCKDpub(ctx.getCard().getIdHash()));
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ctx.getCoinData().setWallet(wallet);
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} catch (Exception e) {
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ctx.getCoinData().setWallet("ERROR");
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@ -630,7 +500,7 @@ public class EthIdEngine extends CoinEngine {
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to = to.substring(2);
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}
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return EthTransaction.create(to, weiAmount, nonceValue, gasPrice, gasLimit, chainId);
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return EthTransaction.create(to, weiAmount, nonceValue, gasPrice, gasLimit, chainId);
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}
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private boolean checkSignature(byte[] signature, long nonce) throws SignatureDecodeException {
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@ -651,6 +521,7 @@ public class EthIdEngine extends CoinEngine {
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Long count = Long.valueOf(pending, 16);
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coinData.setApprovalAddressNonce(count);
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}
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@Override
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public void onFail(String method, String message) {
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Log.e(TAG, "onFail: " + method + " " + message);
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@ -658,6 +529,6 @@ public class EthIdEngine extends CoinEngine {
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};
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serverApiInfura.setResponseListener(responseListener);
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serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GET_PENDING_COUNT, 67, coinData.getWallet(), "", "");
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serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GET_PENDING_COUNT, 67, approvalAddress, "", "");
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}
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}
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