Updated on 2026-08-14
This commit is contained in:
Tangem
parent
092eb2dd68
commit
250ceba99f
78 changed files with 229 additions and 247 deletions
618
app/src/main/java/com/tangem/wallet/eth/EthEngine.java
Normal file
618
app/src/main/java/com/tangem/wallet/eth/EthEngine.java
Normal file
|
|
@ -0,0 +1,618 @@
|
|||
package com.tangem.wallet.eth;
|
||||
|
||||
import android.net.Uri;
|
||||
import android.text.InputFilter;
|
||||
import android.util.Log;
|
||||
|
||||
import com.tangem.Constant;
|
||||
import com.tangem.data.Blockchain;
|
||||
import com.tangem.data.network.ServerApiInfura;
|
||||
import com.tangem.data.network.model.InfuraResponse;
|
||||
import com.tangem.wallet.BTCUtils;
|
||||
import com.tangem.wallet.BalanceValidator;
|
||||
import com.tangem.wallet.CoinData;
|
||||
import com.tangem.wallet.CoinEngine;
|
||||
import com.tangem.wallet.ECDSASignatureETH;
|
||||
import com.tangem.wallet.EthTransaction;
|
||||
import com.tangem.wallet.Keccak256;
|
||||
import com.tangem.wallet.TangemContext;
|
||||
import com.tangem.card_common.data.TangemCard;
|
||||
import com.tangem.card_common.tasks.SignTask;
|
||||
import com.tangem.util.CryptoUtil;
|
||||
import com.tangem.util.DecimalDigitsInputFilter;
|
||||
import com.tangem.wallet.BuildConfig;
|
||||
import com.tangem.wallet.R;
|
||||
|
||||
import org.bitcoinj.core.ECKey;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.math.BigInteger;
|
||||
import java.math.RoundingMode;
|
||||
import java.util.Arrays;
|
||||
|
||||
/**
|
||||
* Created by Ilia on 15.02.2018.
|
||||
*/
|
||||
|
||||
public class EthEngine extends CoinEngine {
|
||||
|
||||
private static final String TAG = EthEngine.class.getSimpleName();
|
||||
public EthData coinData = null;
|
||||
|
||||
public EthEngine(TangemContext ctx) throws Exception {
|
||||
super(ctx);
|
||||
if (ctx.getCoinData() == null) {
|
||||
coinData = new EthData();
|
||||
ctx.setCoinData(coinData);
|
||||
} else if (ctx.getCoinData() instanceof EthData) {
|
||||
coinData = (EthData) ctx.getCoinData();
|
||||
} else {
|
||||
throw new Exception("Invalid type of Blockchain data for " + this.getClass().getSimpleName());
|
||||
}
|
||||
}
|
||||
|
||||
public EthEngine() {
|
||||
super();
|
||||
}
|
||||
|
||||
private static int getDecimals() {
|
||||
return 18;
|
||||
}
|
||||
|
||||
protected int getChainIdNum() {
|
||||
return ctx.getBlockchain() == Blockchain.Ethereum ? EthTransaction.ChainEnum.Mainnet.getValue() : EthTransaction.ChainEnum.Rinkeby.getValue();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean awaitingConfirmation() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Amount getBalance() {
|
||||
if (!hasBalanceInfo()) {
|
||||
return null;
|
||||
}
|
||||
return convertToAmount(coinData.getBalanceInInternalUnits());
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getBalanceHTML() {
|
||||
Amount balance = getBalance();
|
||||
if (balance != null) {
|
||||
return balance.toDescriptionString(getDecimals());
|
||||
} else {
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getBalanceCurrency() {
|
||||
return Blockchain.Ethereum.getCurrency();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getOfflineBalanceHTML() {
|
||||
InternalAmount offlineInternalAmount = convertToInternalAmount(ctx.getCard().getOfflineBalance());
|
||||
Amount offlineAmount = convertToAmount(offlineInternalAmount);
|
||||
return offlineAmount.toDescriptionString(getDecimals());
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isBalanceNotZero() {
|
||||
if (coinData == null) return false;
|
||||
if (coinData.getBalanceInInternalUnits() == null) return false;
|
||||
return coinData.getBalanceInInternalUnits().notZero();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getFeeCurrency() {
|
||||
return Blockchain.Ethereum.getCurrency();
|
||||
}
|
||||
|
||||
public boolean isNeedCheckNode() {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public CoinData createCoinData() {
|
||||
return new EthData();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getUnspentInputsDescription() {
|
||||
return "";
|
||||
}
|
||||
|
||||
// BigDecimal convertToEth(String value) {
|
||||
// BigInteger m = new BigInteger(value, 10);
|
||||
// BigDecimal n = new BigDecimal(m);
|
||||
// BigDecimal d = n.divide(new BigDecimal("1000000000000000000"));
|
||||
// d = d.setScale(8, RoundingMode.DOWN);
|
||||
// return d;
|
||||
// }
|
||||
|
||||
@Override
|
||||
public boolean validateAddress(String address) {
|
||||
if (address == null || address.isEmpty()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!address.startsWith("0x") && !address.startsWith("0X")) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (address.length() != 42) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// public String getBalanceValue(TangemCard mCard) {
|
||||
// String dec = coinData.getBalanceInInternalUnits();
|
||||
// BigDecimal d = convertToEth(dec);
|
||||
// String s = d.toString();
|
||||
//
|
||||
// String pattern = "#0.##################"; // If you like 4 zeros
|
||||
// DecimalFormat myFormatter = new DecimalFormat(pattern);
|
||||
// String output = myFormatter.format(d);
|
||||
// return output;
|
||||
// }
|
||||
|
||||
// public static String getAmountEquivalentDescription(Amount amount, double rateValue) {
|
||||
// if (amount == null || amount.compareTo(BigDecimal.ZERO) == 0)
|
||||
// return "";
|
||||
//
|
||||
// if (rateValue > 0) {
|
||||
// BigDecimal biRate = new BigDecimal(rateValue);
|
||||
// BigDecimal exchangeCurs = biRate.multiply(amount);
|
||||
// exchangeCurs = exchangeCurs.setScale(2, RoundingMode.DOWN);
|
||||
// return "≈ USD " + exchangeCurs.toString();
|
||||
// } else {
|
||||
// return "";
|
||||
// }
|
||||
// }
|
||||
|
||||
// public static String getAmountEquivalentDescriptionETH(Double amount, float rate) {
|
||||
// if (amount == 0)
|
||||
// return "";
|
||||
// amount = amount / 100000;
|
||||
// if (rate > 0) {
|
||||
// return String.format("≈ USD %.2f", amount * rate);
|
||||
// } else {
|
||||
// return "";
|
||||
// }
|
||||
//
|
||||
// }
|
||||
|
||||
|
||||
@Override
|
||||
public String getBalanceEquivalent() {
|
||||
Amount balance = getBalance();
|
||||
if (balance == null) return "";
|
||||
return balance.toEquivalentString(coinData.getRate());
|
||||
}
|
||||
|
||||
@Override
|
||||
public Amount convertToAmount(InternalAmount internalAmount) {
|
||||
BigDecimal d = internalAmount.divide(new BigDecimal("1000000000000000000"), getDecimals(), RoundingMode.DOWN);
|
||||
return new Amount(d, ctx.getBlockchain().getCurrency());
|
||||
}
|
||||
|
||||
@Override
|
||||
public Amount convertToAmount(String strAmount, String currency) {
|
||||
return new Amount(strAmount, currency);
|
||||
}
|
||||
|
||||
@Override
|
||||
public InternalAmount convertToInternalAmount(Amount amount) {
|
||||
return new InternalAmount(amount.multiply(new BigDecimal("1000000000000000000")), "wei");
|
||||
}
|
||||
|
||||
@Override
|
||||
public InternalAmount convertToInternalAmount(byte[] bytes) {
|
||||
//throw new Exception("Not implemented");
|
||||
return null;
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public byte[] convertToByteArray(InternalAmount amount) throws Exception {
|
||||
throw new Exception("Not implemented");
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean hasBalanceInfo() {
|
||||
return coinData.getBalanceInInternalUnits() != null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Uri getShareWalletUri() {
|
||||
if (ctx.getCard().getDenomination() != null) {
|
||||
return Uri.parse("ethereum:" + ctx.getCoinData().getWallet());// + "?value=" + mCard.getDenomination() +"e18");
|
||||
} else {
|
||||
return Uri.parse("ethereum:" + ctx.getCoinData().getWallet());
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Uri getWalletExplorerUri() {
|
||||
if (ctx.getBlockchain() == Blockchain.EthereumTestNet)
|
||||
return Uri.parse("https://rinkeby.etherscan.io/address/" + ctx.getCoinData().getWallet());
|
||||
else
|
||||
return Uri.parse("https://etherscan.io/address/" + ctx.getCoinData().getWallet());
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isExtractPossible() {
|
||||
if (!hasBalanceInfo()) {
|
||||
ctx.setMessage(R.string.cannot_obtain_data_from_blockchain);
|
||||
} else if (!isBalanceNotZero()) {
|
||||
ctx.setMessage(R.string.wallet_empty);
|
||||
} else if (awaitingConfirmation()) {
|
||||
ctx.setMessage(R.string.please_wait_while_previous);
|
||||
} else {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public InputFilter[] getAmountInputFilters() {
|
||||
return new InputFilter[]{new DecimalDigitsInputFilter(getDecimals())};
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean checkNewTransactionAmount(Amount amount) {
|
||||
if( BuildConfig.FLAVOR== Constant.FLAVOR_TANGEM_CARDANO ) {
|
||||
return true;
|
||||
}
|
||||
Amount balance = getBalance();
|
||||
if (balance == null || amount.compareTo(balance) > 0) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean checkNewTransactionAmountAndFee(Amount amount, Amount fee, Boolean isFeeIncluded) {
|
||||
// Long fee = null;
|
||||
// Long amount = null;
|
||||
// try {
|
||||
// amount = mCard.internalUnitsFromString(amountValue);
|
||||
// fee = mCard.internalUnitsFromString(feeValue);
|
||||
// } catch (Exception e) {
|
||||
// e.printStackTrace();
|
||||
// return false;
|
||||
// }
|
||||
//
|
||||
// if (fee == null || amount == null)
|
||||
// return false;
|
||||
//
|
||||
// if (fee == 0 || amount == 0)
|
||||
// return false;
|
||||
//
|
||||
//
|
||||
// if (fee < minFeeInInternalUnits)
|
||||
// return false;
|
||||
|
||||
try {
|
||||
BigDecimal cardBalance = getBalance();
|
||||
|
||||
if (isFeeIncluded && (amount.compareTo(cardBalance) > 0 || amount.compareTo(fee) < 0))
|
||||
return false;
|
||||
|
||||
if (!isFeeIncluded && amount.add(fee).compareTo(cardBalance) > 0)
|
||||
return false;
|
||||
|
||||
} catch (NumberFormatException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean validateBalance(BalanceValidator balanceValidator) {
|
||||
if (getBalance() == null) {
|
||||
balanceValidator.setScore(0);
|
||||
balanceValidator.setFirstLine("Unknown balance");
|
||||
balanceValidator.setSecondLine("Balance cannot be verified. Swipe down to refresh.");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!coinData.getUnconfirmedTXCount().equals(coinData.getConfirmedTXCount())) {
|
||||
balanceValidator.setScore(0);
|
||||
balanceValidator.setFirstLine("Transaction in progress");
|
||||
balanceValidator.setSecondLine("Wait for confirmation in blockchain");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (coinData.isBalanceReceived()) {
|
||||
balanceValidator.setScore(100);
|
||||
balanceValidator.setFirstLine("Verified balance");
|
||||
balanceValidator.setSecondLine("Balance confirmed in blockchain");
|
||||
if (getBalance().isZero()) {
|
||||
balanceValidator.setFirstLine("Empty wallet");
|
||||
balanceValidator.setSecondLine("");
|
||||
}
|
||||
}
|
||||
|
||||
if ((ctx.getCard().getOfflineBalance() != null) && !coinData.isBalanceReceived() && (ctx.getCard().getRemainingSignatures() == ctx.getCard().getMaxSignatures()) && getBalance().notZero()) {
|
||||
balanceValidator.setScore(80);
|
||||
balanceValidator.setFirstLine("Verified offline balance");
|
||||
balanceValidator.setSecondLine("Restore internet connection to obtain trusted balance from blockchain");
|
||||
}
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public String evaluateFeeEquivalent(String fee) {
|
||||
try {
|
||||
Amount feeValue = new Amount(fee, ctx.getBlockchain().getCurrency());
|
||||
return feeValue.toEquivalentString(coinData.getRate());
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public String calculateAddress(byte[] pkUncompressed) {
|
||||
Keccak256 kec = new Keccak256();
|
||||
int lenPk = pkUncompressed.length;
|
||||
if (lenPk < 2) {
|
||||
throw new IllegalArgumentException("Uncompress public key length is invalid");
|
||||
}
|
||||
byte[] cleanKey = new byte[lenPk - 1];
|
||||
for (int i = 0; i < cleanKey.length; ++i) {
|
||||
cleanKey[i] = pkUncompressed[i + 1];
|
||||
}
|
||||
byte[] r = kec.digest(cleanKey);
|
||||
|
||||
byte[] address = new byte[20];
|
||||
for (int i = 0; i < 20; ++i) {
|
||||
address[i] = r[i + 12];
|
||||
}
|
||||
|
||||
return String.format("0x%s", BTCUtils.toHex(address));
|
||||
}
|
||||
|
||||
@Override
|
||||
public SignTask.TransactionToSign constructTransaction(Amount amountValue, Amount feeValue, boolean IncFee, String targetAddress) {
|
||||
|
||||
Log.e(TAG, "Construct transaction " + amountValue.toString() + " with fee " + feeValue.toString() + (IncFee ? " including" : " excluding"));
|
||||
|
||||
BigInteger nonceValue = coinData.getConfirmedTXCount();
|
||||
byte[] pbKey = ctx.getCard().getWalletPublicKey();
|
||||
|
||||
BigInteger weiFee = convertToInternalAmount(feeValue).toBigIntegerExact();
|
||||
BigInteger weiAmount = convertToInternalAmount(amountValue).toBigIntegerExact();
|
||||
|
||||
if (IncFee) {
|
||||
weiAmount = weiAmount.subtract(weiFee);
|
||||
}
|
||||
|
||||
BigInteger gasPrice = weiFee.divide(BigInteger.valueOf(21000));
|
||||
BigInteger gasLimit = BigInteger.valueOf(21000);
|
||||
Integer chainId = this.getChainIdNum();
|
||||
|
||||
String to = targetAddress;
|
||||
|
||||
if (to.startsWith("0x") || to.startsWith("0X")) {
|
||||
to = to.substring(2);
|
||||
}
|
||||
|
||||
final EthTransaction tx = EthTransaction.create(to, weiAmount, nonceValue, gasPrice, gasLimit, chainId);
|
||||
|
||||
return new SignTask.TransactionToSign() {
|
||||
@Override
|
||||
public boolean isSigningMethodSupported(TangemCard.SigningMethod signingMethod) {
|
||||
return signingMethod == TangemCard.SigningMethod.Sign_Hash;
|
||||
}
|
||||
|
||||
@Override
|
||||
public byte[][] getHashesToSign() {
|
||||
byte[][] hashesForSign = new byte[1][];
|
||||
hashesForSign[0] = tx.getRawHash();
|
||||
return hashesForSign;
|
||||
}
|
||||
|
||||
@Override
|
||||
public byte[] getRawDataToSign() throws Exception {
|
||||
throw new Exception("Signing of raw transaction not supported for " + this.getClass().getSimpleName());
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getHashAlgToSign() throws Exception {
|
||||
throw new Exception("Signing of raw transaction not supported for " + this.getClass().getSimpleName());
|
||||
}
|
||||
|
||||
@Override
|
||||
public byte[] getIssuerTransactionSignature(byte[] dataToSignByIssuer) throws Exception {
|
||||
throw new Exception("Transaction validation by issuer not supported in this version");
|
||||
}
|
||||
|
||||
@Override
|
||||
public byte[] onSignCompleted(byte[] signFromCard) throws Exception {
|
||||
byte[] for_hash = tx.getRawHash();
|
||||
BigInteger r = new BigInteger(1, Arrays.copyOfRange(signFromCard, 0, 32));
|
||||
BigInteger s = new BigInteger(1, Arrays.copyOfRange(signFromCard, 32, 64));
|
||||
s = CryptoUtil.toCanonicalised(s);
|
||||
|
||||
boolean f = ECKey.verify(for_hash, new ECKey.ECDSASignature(r, s), pbKey);
|
||||
|
||||
if (!f) {
|
||||
Log.e(this.getClass().getSimpleName() + "-CHECK", "sign Failed.");
|
||||
}
|
||||
|
||||
tx.signature = new ECDSASignatureETH(r, s);
|
||||
int v = tx.BruteRecoveryID2(tx.signature, for_hash, pbKey);
|
||||
if (v != 27 && v != 28) {
|
||||
Log.e(this.getClass().getSimpleName(), "invalid v");
|
||||
throw new Exception("Error in " + this.getClass().getSimpleName() + " - invalid v");
|
||||
}
|
||||
tx.signature.v = (byte) v;
|
||||
Log.e(this.getClass().getSimpleName(), " V: " + String.valueOf(v));
|
||||
|
||||
byte[] txForSend = tx.getEncoded();
|
||||
notifyOnNeedSendTransaction(txForSend);
|
||||
return txForSend;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
@Override
|
||||
public void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
|
||||
final ServerApiInfura serverApiInfura = new ServerApiInfura();
|
||||
// request requestData listener
|
||||
ServerApiInfura.ResponseListener responseListener = new ServerApiInfura.ResponseListener() {
|
||||
@Override
|
||||
public void onSuccess(String method, InfuraResponse infuraResponse) {
|
||||
switch (method) {
|
||||
case ServerApiInfura.INFURA_ETH_GET_BALANCE: {
|
||||
String balanceCap = infuraResponse.getResult();
|
||||
balanceCap = balanceCap.substring(2);
|
||||
BigInteger l = new BigInteger(balanceCap, 16);
|
||||
coinData.setBalanceReceived(true);
|
||||
coinData.setBalanceInInternalUnits(new CoinEngine.InternalAmount(l, "wei"));
|
||||
|
||||
// Log.i("$TAG eth_get_balance", balanceCap)
|
||||
}
|
||||
break;
|
||||
|
||||
case ServerApiInfura.INFURA_ETH_GET_TRANSACTION_COUNT: {
|
||||
String nonce = infuraResponse.getResult();
|
||||
nonce = nonce.substring(2);
|
||||
BigInteger count = new BigInteger(nonce, 16);
|
||||
coinData.setConfirmedTXCount(count);
|
||||
|
||||
|
||||
// Log.i("$TAG eth_getTransCount", nonce)
|
||||
}
|
||||
break;
|
||||
|
||||
case ServerApiInfura.INFURA_ETH_GET_PENDING_COUNT: {
|
||||
String pending = infuraResponse.getResult();
|
||||
pending = pending.substring(2);
|
||||
BigInteger count = new BigInteger(pending, 16);
|
||||
coinData.setUnconfirmedTXCount(count);
|
||||
|
||||
// Log.i("$TAG eth_getPendingTxCount", pending)
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if (serverApiInfura.isRequestsSequenceCompleted()) {
|
||||
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
|
||||
} else {
|
||||
blockchainRequestsCallbacks.onProgress();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onFail(String method, String message) {
|
||||
if (!serverApiInfura.isRequestsSequenceCompleted()) {
|
||||
ctx.setError(message);
|
||||
blockchainRequestsCallbacks.onComplete(false);
|
||||
}
|
||||
}
|
||||
};
|
||||
serverApiInfura.setResponseListener(responseListener);
|
||||
|
||||
serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GET_BALANCE, 67, coinData.getWallet(), "", "");
|
||||
serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GET_TRANSACTION_COUNT, 67, coinData.getWallet(), "", "");
|
||||
serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GET_PENDING_COUNT, 67, coinData.getWallet(), "", "");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
|
||||
ServerApiInfura serverApiInfura = new ServerApiInfura();
|
||||
// request requestData eth gasPrice listener
|
||||
ServerApiInfura.ResponseListener responseListener = new ServerApiInfura.ResponseListener() {
|
||||
@Override
|
||||
public void onSuccess(String method, InfuraResponse infuraResponse) {
|
||||
String gasPrice = infuraResponse.getResult();
|
||||
gasPrice = gasPrice.substring(2);
|
||||
// rounding gas price to integer gwei
|
||||
BigInteger l = new BigInteger(gasPrice, 16);//.divide(BigInteger.valueOf(1000000000L)).multiply(BigInteger.valueOf(1000000000L));
|
||||
|
||||
Log.i(TAG, "Infura gas price: " + gasPrice + " (" + l.toString() + ")");
|
||||
BigInteger m = BigInteger.valueOf(21000);
|
||||
|
||||
Log.e(TAG, "fee multiplier: " + m.toString());
|
||||
|
||||
CoinEngine.InternalAmount weiMinFee = new CoinEngine.InternalAmount(l.multiply(m), "wei");
|
||||
CoinEngine.InternalAmount weiNormalFee = new CoinEngine.InternalAmount(l.multiply(BigInteger.valueOf(12)).divide(BigInteger.valueOf(10)).multiply(m), "wei");
|
||||
CoinEngine.InternalAmount weiMaxFee = new CoinEngine.InternalAmount(l.multiply(BigInteger.valueOf(15)).divide(BigInteger.valueOf(10)).multiply(m), "wei");
|
||||
|
||||
Log.i(TAG, "min fee : " + weiMinFee.toValueString() + " wei");
|
||||
Log.i(TAG, "normal fee: " + weiNormalFee.toValueString() + " wei");
|
||||
Log.i(TAG, "max fee : " + weiMaxFee.toValueString() + " wei");
|
||||
|
||||
coinData.minFee = convertToAmount(weiMinFee);
|
||||
coinData.normalFee = convertToAmount(weiNormalFee);
|
||||
coinData.maxFee = convertToAmount(weiMaxFee);
|
||||
|
||||
Log.i(TAG, "min fee : " + coinData.minFee.toString());
|
||||
Log.i(TAG, "normal fee: " + coinData.normalFee.toString());
|
||||
Log.i(TAG, "max fee : " + coinData.maxFee.toString());
|
||||
|
||||
blockchainRequestsCallbacks.onComplete(true);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onFail(String method, String message) {
|
||||
ctx.setError(ctx.getContext().getString(R.string.cannot_calculate_fee_wrong_data_received_from_node));
|
||||
blockchainRequestsCallbacks.onComplete(false);
|
||||
}
|
||||
};
|
||||
serverApiInfura.setResponseListener(responseListener);
|
||||
|
||||
serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GAS_PRICE, 67, coinData.getWallet(), "", "");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
|
||||
|
||||
String txStr = String.format("0x%s", BTCUtils.toHex(txForSend));
|
||||
|
||||
ServerApiInfura serverApiInfura = new ServerApiInfura();
|
||||
// request requestData eth gasPrice listener
|
||||
ServerApiInfura.ResponseListener responseListener = new ServerApiInfura.ResponseListener() {
|
||||
@Override
|
||||
public void onSuccess(String method, InfuraResponse infuraResponse) {
|
||||
if (method.equals(ServerApiInfura.INFURA_ETH_SEND_RAW_TRANSACTION)) {
|
||||
if (infuraResponse.getResult().isEmpty()) {
|
||||
ctx.setError("Rejected by node: " + infuraResponse.getError());
|
||||
blockchainRequestsCallbacks.onComplete(false);
|
||||
} else {
|
||||
BigInteger nonce = coinData.getConfirmedTXCount();
|
||||
nonce = nonce.add(BigInteger.valueOf(1));
|
||||
coinData.setConfirmedTXCount(nonce);
|
||||
ctx.setError(null);
|
||||
blockchainRequestsCallbacks.onComplete(true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onFail(String method, String message) {
|
||||
if (method.equals(ServerApiInfura.INFURA_ETH_SEND_RAW_TRANSACTION)) {
|
||||
ctx.setError(message);
|
||||
blockchainRequestsCallbacks.onComplete(false);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
serverApiInfura.setResponseListener(responseListener);
|
||||
|
||||
serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_SEND_RAW_TRANSACTION, 67, coinData.getWallet(), "", txStr);
|
||||
}
|
||||
|
||||
public int pendingTransactionTimeoutInSeconds() { return 10; }
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue