tangem-app-android-audited/app/src/main/java/com/tangem/wallet/rsk/RskTokenEngine.java
2019-04-16 10:27:49 +03:00

261 lines
11 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.ServerApiRootstock;
import com.tangem.data.network.model.InfuraResponse;
import com.tangem.wallet.BTCUtils;
import com.tangem.wallet.CoinEngine;
import com.tangem.wallet.EthTransaction;
import com.tangem.wallet.TangemContext;
import com.tangem.wallet.token.TokenEngine;
import com.tangem.wallet.R;
import java.math.BigInteger;
public class RskTokenEngine extends TokenEngine {
private static final String TAG = RskTokenEngine.class.getSimpleName();
public RskTokenEngine(TangemContext ctx) throws Exception {
super(ctx);
}
public RskTokenEngine() {
super();
}
@Override
public Blockchain getBlockchain() {
return Blockchain.RootstockToken;
}
@Override
protected int getChainIdNum() {
return EthTransaction.ChainEnum.Rootstock_mainnet.getValue();
}
@Override
public Uri getWalletExplorerUri() {
return Uri.parse("https://explorer.rsk.co/address/" + ctx.getCoinData().getWallet() + "?__tab=tokens");
}
@Override
public Uri getShareWalletUri() {
return Uri.parse(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 if (!isBalanceAlterNotZero()) {
ctx.setMessage(ctx.getString(R.string.not_enough_rbtc_for_fee));
} else {
return true;
}
return false;
}
@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.setBalanceAlterInInternalUnits(new CoinEngine.InternalAmount(l, "wei"));
// Log.i("$TAG eth_get_balance", balanceCap)
}
break;
case ServerApiRootstock.ROOTSTOCK_ETH_GET_TRANSACTION_COUNT: {
String nonce = rootstockResponse.getResult();
nonce = nonce.substring(2);
BigInteger count = new BigInteger(nonce, 16);
coinData.setConfirmedTXCount(count);
// Log.i("$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);
// Log.i("$TAG eth_getPendingTxCount", pending)
}
break;
//
case ServerApiRootstock.ROOTSTOCK_ETH_CALL: {
try {
String balanceCap = rootstockResponse.getResult();
balanceCap = balanceCap.substring(2);
BigInteger l = new BigInteger(balanceCap, 16);
coinData.setBalanceInInternalUnits(new CoinEngine.InternalAmount(l, ctx.getCard().tokenSymbol));
// Log.i("$TAG eth_call", balanceCap)
if (blockchainRequestsCallbacks.allowAdvance()) {
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_BALANCE, 67, coinData.getWallet(), "", "");
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_TRANSACTION_COUNT, 67, coinData.getWallet(), "", "");
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_GET_PENDING_COUNT, 67, coinData.getWallet(), "", "");
} else {
ctx.setError("Terminated by user");
}
} catch (Exception e) {
e.printStackTrace();
}
}
break;
}
if (serverApiRootstock.isRequestsSequenceCompleted()) {
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
} else {
blockchainRequestsCallbacks.onProgress();
}
}
@Override
public void onFail(String method, String message) {
if (!serverApiRootstock.isRequestsSequenceCompleted()) {
ctx.setError(message);
blockchainRequestsCallbacks.onComplete(false);
}
}
};
serverApiRootstock.setResponseListener(responseListener);
if (validateAddress(getContractAddress(ctx.getCard()))) {
serverApiRootstock.requestData(ServerApiRootstock.ROOTSTOCK_ETH_CALL, 67, coinData.getWallet(), getContractAddress(ctx.getCard()), "");
} else {
ctx.setError("Smart contract address not defined");
blockchainRequestsCallbacks.onComplete(false);
}
}
@Override
public void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) {
ServerApiRootstock serverApiRootstock = new ServerApiRootstock();
// 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 gasPriceBI = new BigInteger(gasPrice, 16).divide(BigInteger.valueOf(10000000)).multiply(BigInteger.valueOf(10000000));
Log.i(TAG, "Rootstock gas price: " + gasPrice + " (" + gasPriceBI.toString() + ")");
BigInteger gasUsed;
if (!amount.getCurrency().equals(Blockchain.Rootstock.getCurrency()))
gasUsed = BigInteger.valueOf(60000);
else gasUsed = BigInteger.valueOf(21000);
Log.i(TAG, "fee multiplier: " + gasUsed.toString());
CoinEngine.InternalAmount weiMinFee = new CoinEngine.InternalAmount(gasPriceBI.multiply(gasUsed), "wei");
CoinEngine.InternalAmount weiNormalFee = new CoinEngine.InternalAmount(gasPriceBI.multiply(BigInteger.valueOf(12)).divide(BigInteger.valueOf(10)).multiply(gasUsed), "wei");
CoinEngine.InternalAmount weiMaxFee = new CoinEngine.InternalAmount(gasPriceBI.multiply(BigInteger.valueOf(15)).divide(BigInteger.valueOf(10)).multiply(gasUsed), "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");
try {
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());
} catch (Exception e) {
e.printStackTrace();
}
blockchainRequestsCallbacks.onComplete(true);
}
@Override
public void onFail(String method, String message) {
ctx.setError(message);
blockchainRequestsCallbacks.onComplete(false);
}
};
serverApiRootstock.setResponseListener(responseListener);
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();
// request requestData listener
ServerApiRootstock.ResponseListener responseListener = new ServerApiRootstock.ResponseListener() {
@Override
public void onSuccess(String method, InfuraResponse infuraResponse) {
if (method.equals(ServerApiRootstock.ROOTSTOCK_ETH_SEND_RAW_TRANSACTION)) {
if (infuraResponse.getResult()==null || 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(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);
}
@Override
public boolean needMultipleLinesForBalance() {
return true;
}
@Override
public boolean allowSelectFeeInclusion() {
return getBalance().getCurrency().equals(Blockchain.Rootstock.getCurrency());
}
public int pendingTransactionTimeoutInSeconds() { return 10; }
}