tangem-app-android-audited/app/src/main/java/com/tangem/wallet/rsk/RskEngine.java
2020-07-27 16:43:32 +03:00

281 lines
13 KiB
Java

package com.tangem.wallet.rsk;
import android.net.Uri;
import android.util.Log;
import com.tangem.data.Blockchain;
import com.tangem.data.network.ServerApiPayId;
import com.tangem.data.network.ServerApiRootstock;
import com.tangem.data.network.model.InfuraResponse;
import com.tangem.data.network.model.PayIdAddress;
import com.tangem.data.network.model.PayIdResponse;
import com.tangem.wallet.BTCUtils;
import com.tangem.wallet.CoinEngine;
import com.tangem.wallet.EthTransaction;
import com.tangem.wallet.R;
import com.tangem.wallet.TangemContext;
import com.tangem.wallet.eth.EthEngine;
import java.math.BigInteger;
import io.reactivex.CompletableObserver;
import io.reactivex.SingleObserver;
import io.reactivex.observers.DisposableSingleObserver;
public class RskEngine extends EthEngine {
private static final String TAG = RskEngine.class.getSimpleName();
public RskEngine(TangemContext ctx) throws Exception {
super(ctx);
}
public RskEngine() {
super();
}
private static int getDecimals() {
return 18;
}
@Override
protected int getChainIdNum() {
return EthTransaction.ChainEnum.Rootstock_mainnet.getValue();
}
@Override
public String getBalanceCurrency() {
return Blockchain.Rootstock.getCurrency();
}
@Override
public String getFeeCurrency() {
return Blockchain.Rootstock.getCurrency();
}
@Override
public Uri getShareWalletUri() {
return Uri.parse(ctx.getCoinData().getWallet());
}
@Override
public Uri getWalletExplorerUri() {
return Uri.parse("https://explorer.rsk.co/address/" + ctx.getCoinData().getWallet());
}
@Override
public String evaluateFeeEquivalent(String fee) {
return "";
}
@Override
public void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
final ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
// request requestData listener
ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
@Override
public void onSuccess(String method, InfuraResponse rootstockResponse) {
switch (method) {
case ServerApiRootstock.ROOTSTOCK_ETH_GET_BALANCE: {
String balanceCap = rootstockResponse.getResult();
balanceCap = balanceCap.substring(2);
BigInteger l = new BigInteger(balanceCap, 16);
coinData.setBalanceReceived(true);
coinData.setBalanceInInternalUnits(new CoinEngine.InternalAmount(l, "wei"));
// Log.i("$TAG eth_get_balance", balanceCap)
}
break;
case ServerApiRootstock.ROOTSTOCK_ETH_GET_TRANSACTION_COUNT: {
String nonce = rootstockResponse.getResult();
nonce = nonce.substring(2);
BigInteger count = new BigInteger(nonce, 16);
coinData.setConfirmedTXCount(count);
if (serverApiRootstock.isRequestsSequenceCompleted()) {
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_BALANCE, 67, coinData.getWallet(), "", "");
}
// Log.i("$TAG eth_getTransCount", nonce)
}
break;
case ServerApiRootstock.ROOTSTOCK_ETH_GET_PENDING_COUNT: {
String pending = rootstockResponse.getResult();
pending = pending.substring(2);
BigInteger count = new BigInteger(pending, 16);
coinData.setUnconfirmedTXCount(count);
if (serverApiRootstock.isRequestsSequenceCompleted()) {
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_BALANCE, 67, coinData.getWallet(), "", "");
}
// Log.i("$TAG eth_getPendingTxCount", pending)
}
break;
}
if (serverApiRootstock.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
}
}
@Override
public void onFail(String method, String message) {
Log.e(TAG, "onFail: " + method + " " + message);
ctx.setError(message);
if (serverApiRootstock.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(false);
} else {
blockchainRequestsCallbacks.onProgress();
}
}
};
serverApiRootstock.setResponseListener(responseListener);
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_TRANSACTION_COUNT, 67, coinData.getWallet(), "", "");
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_PENDING_COUNT, 67, coinData.getWallet(), "", "");
}
@Override
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
final ServerApiPayId serverApiPayId = new ServerApiPayId();
// request requestData gasPrice listener
ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
@Override
public void onSuccess(String method, InfuraResponse rootstockResponse) {
String gasPrice = rootstockResponse.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, "Rootstock 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());
if (serverApiRootstock.isRequestsSequenceCompleted() && serverApiPayId.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
}
}
@Override
public void onFail(String method, String message) {
ctx.setError(ctx.getContext().getString(R.string.confirm_transaction_error_cannot_calculate_fee));
blockchainRequestsCallbacks.onComplete(false);
}
};
serverApiRootstock.setResponseListener(responseListener);
if (targetAddress.contains("$")) { // PayID
SingleObserver<PayIdResponse> observer = new DisposableSingleObserver<PayIdResponse>() {
@Override
public void onSuccess(PayIdResponse payIdResponse) {
try {
String resolvedAddress = null;
for (PayIdAddress address : payIdResponse.getAddresses()) {
if (address.getPaymentNetwork().equals("RSK") &&
address.getEnvironment().equals("MAINNET")) {
resolvedAddress = address.getAddressDetails().getAddress();
break;
}
}
if (validateAddress(resolvedAddress)) {
if (resolvedAddress.equals(coinData.getWallet())) {
ctx.setError("Resolved PayID address equals source address");
blockchainRequestsCallbacks.onComplete(false);
} else {
coinData.setResolvedPayIdAddress(resolvedAddress);
if (serverApiRootstock.isRequestsSequenceCompleted() && serverApiPayId.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
}
}
} else {
ctx.setError("Unknown address format in PayID response");
blockchainRequestsCallbacks.onComplete(false);
}
} catch (Exception e) {
ctx.setError("Unknown response format on PayID request");
blockchainRequestsCallbacks.onComplete(false);
}
if (serverApiRootstock.isRequestsSequenceCompleted() && serverApiPayId.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
}
}
@Override
public void onError(Throwable e) {
Log.i(TAG, "onFail: " + "payID" + " " + e.getMessage());
ctx.setError("PayID error:" + e.getMessage());
blockchainRequestsCallbacks.onComplete(false);
}
};
serverApiPayId.getAddress(targetAddress, ctx.getBlockchain(), observer);
}
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GAS_PRICE, 67, coinData.getWallet(), "", "");
}
@Override
public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
String txStr = String.format("0x%s", BTCUtils.toHex(txForSend));
ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
@Override
public void onSuccess(String method, InfuraResponse rootstockResponse) {
if (method.equals(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION)) {
if (rootstockResponse.getResult()==null || rootstockResponse.getResult().isEmpty()) {
ctx.setError("Rejected by node: " + rootstockResponse.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(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION)) {
ctx.setError(message);
blockchainRequestsCallbacks.onComplete(false);
}
}
};
serverApiRootstock.setResponseListener(responseListener);
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION, 67, coinData.getWallet(), "", txStr);
}
public int pendingTransactionTimeoutInSeconds() { return 10; }
}