Updated on 2026-08-14
This commit is contained in:
Tangem
parent
17bb23ecfc
commit
e11275cb49
9 changed files with 233 additions and 58 deletions
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@ -1,6 +1,9 @@
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package com.tangem.wallet.binance;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.StrictMode;
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import android.text.InputFilter;
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import android.util.Log;
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@ -8,12 +11,14 @@ import androidx.annotation.NonNull;
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import com.ripple.crypto.ecdsa.ECDSASignature;
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import com.tangem.card_common.data.TangemCard;
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import com.tangem.card_common.reader.CardCrypto;
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import com.tangem.card_common.reader.CardProtocol;
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import com.tangem.card_common.tasks.SignTask;
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import com.tangem.card_common.util.Util;
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import com.tangem.data.Blockchain;
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import com.tangem.data.network.BinanceApi;
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import com.tangem.data.network.Server;
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import com.tangem.data.network.ServerApiBinance;
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import com.tangem.data.network.model.BinanceFees;
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import com.tangem.util.CryptoUtil;
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import com.tangem.util.DecimalDigitsInputFilter;
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@ -33,6 +38,7 @@ import com.tangem.wallet.binance.client.domain.broadcast.TransactionOption;
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import com.tangem.wallet.binance.client.domain.broadcast.Transfer;
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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 com.tangem.wallet.binance.client.encoding.message.MessageType;
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import com.tangem.wallet.binance.client.encoding.message.TransactionRequestAssemblerExtSign;
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import com.tangem.wallet.binance.client.encoding.message.TransferMessage;
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@ -365,6 +371,13 @@ public class BinanceEngine extends CoinEngine {
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amount = amountValue.setScale(getDecimals(), RoundingMode.DOWN).toPlainString();
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}
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byte[] pubKey = ctx.getCard().getWalletPublicKeyRar();
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byte[] pubKeyPrefix = MessageType.PubKey.getTypePrefixBytes();
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byte[] pubKeyForSign = new byte[pubKey.length + pubKeyPrefix.length + 1];
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System.arraycopy(pubKeyPrefix, 0, pubKeyForSign, 0, pubKeyPrefix.length);
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pubKeyForSign[pubKeyPrefix.length] = (byte) 33;
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System.arraycopy(pubKey, 0, pubKeyForSign, pubKeyPrefix.length + 1, pubKey.length);
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Transfer transfer = new Transfer();
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transfer.setCoin("BNB");
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transfer.setFromAddress(ctx.getCoinData().getWallet());
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@ -373,11 +386,32 @@ public class BinanceEngine extends CoinEngine {
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TransactionOption options = TransactionOption.DEFAULT_INSTANCE;
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TransactionRequestAssemblerExtSign txAssembler = client.prepareTransfer(transfer, coinData, ctx.getCard().getWalletPublicKeyRar(), options, true);
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TransactionRequestAssemblerExtSign txAssembler = client.prepareTransfer(transfer, coinData, pubKeyForSign, options, true);
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// TransactionRequestAssembler.buildTransfer as reference
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TransferMessage msgBean = txAssembler.createTransferMessage(transfer);
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byte[] msg = txAssembler.encodeTransferMessage(msgBean);
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byte[] dataForSign = txAssembler.prepareForSign(msgBean);
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// byte[] dataForSign = Util.fromHexString("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");
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//
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// byte[] privateKey = Util.fromHexString("30c5e838578a29e3e9273edddd753d6c9b38aca2446dd84bdfe2e5988b0da0a1");
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//
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// byte[] signFromCard = CardCrypto.Signature(privateKey, dataForSign);
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//
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// int size = signFromCard.length / 2;
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// BigInteger r = new BigInteger(1, Arrays.copyOfRange(signFromCard, 0, size));
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// BigInteger s = new BigInteger(1, Arrays.copyOfRange(signFromCard, size, size * 2));
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// s = CryptoUtil.toCanonicalised(s);
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//// ECKey.ECDSASignature sig = new ECKey.ECDSASignature(r, s);
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//// byte[] sigDer = sig.encodeToDER();
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//// if (!ECDSASignature.isStrictlyCanonical(sigDer)) {
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//// throw new IllegalStateException("Signature is not strictly canonical");
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//// }
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// byte[] resultSig = new byte[64];
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// System.arraycopy(Utils.bigIntegerToBytes(r, 32), 0, resultSig, 0, 32);
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// System.arraycopy(Utils.bigIntegerToBytes(s, 32), 0, resultSig, 32, 32);
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//
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// String test = Util.byteArrayToHexString(resultSig);
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// int x = 1;
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return new SignTask.TransactionToSign() {
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@ -389,7 +423,7 @@ public class BinanceEngine extends CoinEngine {
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@Override
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public byte[][] getHashesToSign() {
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byte[][] hashForSign = new byte[1][];
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hashForSign[1] = CryptoUtil.doubleSha256(dataForSign);
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hashForSign[0] = CryptoUtil.doubleSha256(dataForSign);
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return hashForSign;
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}
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@ -410,37 +444,47 @@ public class BinanceEngine extends CoinEngine {
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@Override
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public byte[] onSignCompleted(byte[] signFromCard) throws Exception {
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int size = signFromCard.length / 2;
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BigInteger r = new BigInteger(1, Arrays.copyOfRange(signFromCard, 0, size));
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BigInteger s = new BigInteger(1, Arrays.copyOfRange(signFromCard, size, size * 2));
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s = CryptoUtil.toCanonicalised(s);
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ECKey.ECDSASignature sig = new ECKey.ECDSASignature(r, s);
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byte[] sigDer = sig.encodeToDER();
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if (!ECDSASignature.isStrictlyCanonical(sigDer)) {
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throw new IllegalStateException("Signature is not strictly canonical");
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}
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// int size = signFromCard.length / 2;
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// BigInteger r = new BigInteger(1, Arrays.copyOfRange(signFromCard, 0, size));
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// BigInteger s = new BigInteger(1, Arrays.copyOfRange(signFromCard, size, size * 2));
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//// s = CryptoUtil.toCanonicalised(s);
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//// ECKey.ECDSASignature sig = new ECKey.ECDSASignature(r, s);
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//// byte[] sigDer = sig.encodeToDER();
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//// if (!ECDSASignature.isStrictlyCanonical(sigDer)) {
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//// throw new IllegalStateException("Signature is not strictly canonical");
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//// }
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// byte[] resultSig = new byte[64];
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// System.arraycopy(Utils.bigIntegerToBytes(r, 32), 0, resultSig, 0, 32);
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// System.arraycopy(Utils.bigIntegerToBytes(s, 32), 0, resultSig, 32, 32);
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// TransactionRequestAssembler.buildTransfer as reference
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byte[] signature = txAssembler.encodeSignature(sigDer);
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return txAssembler.encodeStdTx(msg, signature);
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byte[] signature = txAssembler.encodeSignature(signFromCard);
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byte[] txForSend = txAssembler.encodeStdTx(msg, signature);
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notifyOnNeedSendTransaction(txForSend);
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return txForSend;
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}
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};
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}
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public void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
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try {
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Account account = client.getAccount(ctx.getCoinData().getWallet());
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ServerApiBinance serverApiBinance = new ServerApiBinance();
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for (Balance balance : account.getBalances()) {
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if (balance.getSymbol().equals("BNB")) {
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coinData.setBalanceReceived(true);
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coinData.setBalance(balance.getFree());
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break;
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ServerApiBinance.ResponseListener responseListener = new ServerApiBinance.ResponseListener() {
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@Override
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public void onSuccess() {
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blockchainRequestsCallbacks.onComplete(true);
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}
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}
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coinData.setAccountNumber(account.getAccountNumber());
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coinData.setSequence(account.getSequence());
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@Override
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public void onFail() {
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blockchainRequestsCallbacks.onComplete(false);
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}
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};
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serverApiBinance.setResponseListener(responseListener);
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serverApiBinance.getBalance(ctx, client);
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if (ctx.getBlockchain() == Blockchain.Binance) {
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coinData.setValidationNodeDescription(Server.ApiBinance.URL_BINANCE);
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@ -450,7 +494,6 @@ public class BinanceEngine extends CoinEngine {
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throw new Exception("Invalid blockchain for BinanceEngine");
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}
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blockchainRequestsCallbacks.onComplete(true);
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} catch (Exception e) {
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e.printStackTrace();
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Log.e(TAG, "FAIL Binance balance exception");
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@ -461,7 +504,7 @@ public class BinanceEngine extends CoinEngine {
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public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
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try {
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String baseUrl = null;
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String baseUrl;
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if (ctx.getBlockchain() == Blockchain.Binance) {
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baseUrl = Server.ApiBinance.Method.API_V1;
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@ -477,16 +520,20 @@ public class BinanceEngine extends CoinEngine {
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.build();
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BinanceApi binanceApi = retrofitBinance.create(BinanceApi.class);
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Call<BinanceFees> call = binanceApi.binanceFees();
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call.enqueue(new Callback<BinanceFees>() {
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Call<List<BinanceFees>> call = binanceApi.binanceFees();
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call.enqueue(new Callback<List<BinanceFees>>() {
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@Override
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public void onResponse(@NonNull Call<BinanceFees> call, @NonNull Response<BinanceFees> response) {
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public void onResponse(@NonNull Call<List<BinanceFees>> call, @NonNull Response<List<BinanceFees>> response) {
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if (response.code() == 200) {
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Long fee = response.body().getFixed_fee_params().getFee();
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Amount feeAmount = new Amount(BigDecimal.valueOf(fee).divide(BigDecimal.valueOf(100000000)).setScale(8, RoundingMode.DOWN), getFeeCurrency());
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coinData.minFee = coinData.normalFee = coinData.maxFee = feeAmount;
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Log.i(TAG, "requestFee onResponse " + response.code());
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blockchainRequestsCallbacks.onComplete(true);
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for (BinanceFees fee : response.body()) {
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if (fee.getFixed_fee_params() != null) {
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Long longFee = Long.valueOf(fee.getFixed_fee_params().getFee());
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Amount feeAmount = new Amount(BigDecimal.valueOf(longFee).divide(BigDecimal.valueOf(100000000)).setScale(8, RoundingMode.DOWN), getFeeCurrency());
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coinData.minFee = coinData.normalFee = coinData.maxFee = feeAmount;
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Log.i(TAG, "requestFee onResponse " + response.code());
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blockchainRequestsCallbacks.onComplete(true);
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}
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}
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} else {
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ctx.setError(response.code());
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Log.e(TAG, "requestFee onResponse " + response.code());
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@ -495,7 +542,7 @@ public class BinanceEngine extends CoinEngine {
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}
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@Override
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public void onFailure(@NonNull Call<BinanceFees> call, @NonNull Throwable t) {
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public void onFailure(@NonNull Call<List<BinanceFees>> call, @NonNull Throwable t) {
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ctx.setError(t.getMessage());
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Log.e(TAG, "requestFee onFailure " + t.getMessage());
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blockchainRequestsCallbacks.onComplete(false);
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@ -510,17 +557,27 @@ public class BinanceEngine extends CoinEngine {
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}
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public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
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RequestBody requestBody = TransactionRequestAssemblerExtSign.createRequestBody(txForSend);
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// RequestBody requestBody = TransactionRequestAssemblerExtSign.createRequestBody(txForSend);
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try {
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List<TransactionMetadata> metadatas = client.broadcastNoWallet(requestBody, true);
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if (!metadatas.isEmpty() && metadatas.get(0).isOk()) {
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ctx.setError(null);
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blockchainRequestsCallbacks.onComplete(true);
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} else {
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Log.e(TAG, "Transaction send error");
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ctx.setError("Transaction send error");
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blockchainRequestsCallbacks.onComplete(false);
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}
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ServerApiBinance serverApiBinance = new ServerApiBinance();
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ServerApiBinance.ResponseListener responseListener = new ServerApiBinance.ResponseListener() {
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@Override
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public void onSuccess() {
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ctx.setError(null);
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blockchainRequestsCallbacks.onComplete(true);
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}
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@Override
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public void onFail() {
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ctx.setError("Transaction send error");
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blockchainRequestsCallbacks.onComplete(false);
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}
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};
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serverApiBinance.setResponseListener(responseListener);
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serverApiBinance.sendTransaction(txForSend, client);
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} catch (Exception e) {
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Log.e(TAG, "Transaction send error");
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ctx.setError("Transaction send error");
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@ -528,7 +585,7 @@ public class BinanceEngine extends CoinEngine {
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}
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}
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public boolean allowSelectFeeInclusion() {
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public boolean allowSelectFeeLevel() {
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return false;
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}
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}
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