353 lines
12 KiB
Java
353 lines
12 KiB
Java
package com.tangem.wallet.nftToken;
|
|
|
|
import android.net.Uri;
|
|
import android.os.Bundle;
|
|
import android.text.InputFilter;
|
|
import android.util.Log;
|
|
|
|
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.Keccak256;
|
|
import com.tangem.wallet.TangemContext;
|
|
import com.tangem.wallet.eth.EthData;
|
|
import com.tangem.wallet.token.TokenData;
|
|
import com.tangem.card_common.data.TangemCard;
|
|
import com.tangem.card_common.tasks.SignTask;
|
|
import com.tangem.wallet.R;
|
|
|
|
import java.math.BigInteger;
|
|
|
|
public class NftTokenEngine extends CoinEngine {
|
|
|
|
private static final String TAG = NftTokenEngine.class.getSimpleName();
|
|
public TokenData coinData = null;
|
|
|
|
public NftTokenEngine(TangemContext ctx) throws Exception {
|
|
super(ctx);
|
|
if (ctx.getCoinData() == null) {
|
|
coinData = new TokenData();
|
|
ctx.setCoinData(coinData);
|
|
} else if (ctx.getCoinData() instanceof TokenData) {
|
|
coinData = (TokenData) ctx.getCoinData();
|
|
} else if (ctx.getCoinData() instanceof EthData) {
|
|
// special case with receive card data substitution from server at the moment
|
|
Bundle B = new Bundle();
|
|
ctx.getCoinData().saveToBundle(B);
|
|
coinData = new TokenData();
|
|
coinData.loadFromBundle(B);
|
|
ctx.setCoinData(coinData);
|
|
} else {
|
|
throw new Exception("Invalid type of Blockchain data for " + this.getClass().getSimpleName());
|
|
}
|
|
}
|
|
|
|
public NftTokenEngine() {
|
|
super();
|
|
}
|
|
|
|
public Blockchain getBlockchain() {
|
|
return Blockchain.NftToken;
|
|
}
|
|
|
|
@Override
|
|
public boolean awaitingConfirmation() {
|
|
return false;
|
|
}
|
|
|
|
|
|
@Override
|
|
public String getBalanceHTML() {
|
|
if (hasBalanceInfo()) {
|
|
if (isBalanceNotZero()) {
|
|
return "GENUINE";// + getBalanceCurrency();
|
|
} else {
|
|
return "NOT FOUND";
|
|
}
|
|
} else {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getBalanceCurrency() {
|
|
return ctx.getCard().getTokenSymbol().substring(4);
|
|
}
|
|
|
|
@Override
|
|
public InputFilter[] getAmountInputFilters() {
|
|
return new InputFilter[0];
|
|
}
|
|
|
|
protected String getContractAddress(TangemCard card) {
|
|
return card.getContractAddress();
|
|
}
|
|
|
|
public boolean isNeedCheckNode() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public String getBalanceEquivalent() {
|
|
return null;
|
|
}
|
|
|
|
@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;
|
|
}
|
|
|
|
@Override
|
|
public boolean isBalanceNotZero() {
|
|
if (coinData == null) return false;
|
|
if (coinData.getBalanceInInternalUnits() == null) return false;
|
|
return coinData.getBalanceInInternalUnits().notZero();
|
|
}
|
|
|
|
@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 Amount convertToAmount(InternalAmount internalAmount) throws Exception {
|
|
throw new Exception("Not implemented");
|
|
}
|
|
|
|
@Override
|
|
public Amount convertToAmount(String strAmount, String currency) {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public InternalAmount convertToInternalAmount(Amount amount) throws Exception {
|
|
throw new Exception("Not implemented");
|
|
}
|
|
|
|
@Override
|
|
public InternalAmount convertToInternalAmount(byte[] bytes) throws Exception {
|
|
throw new Exception("Not implemented");
|
|
}
|
|
|
|
@Override
|
|
public byte[] convertToByteArray(InternalAmount amount) throws Exception {
|
|
throw new Exception("Not implemented");
|
|
}
|
|
|
|
@Override
|
|
public CoinData createCoinData() {
|
|
return new TokenData();
|
|
}
|
|
|
|
@Override
|
|
public String getUnspentInputsDescription() {
|
|
return "";
|
|
}
|
|
|
|
@Override
|
|
public boolean hasBalanceInfo() {
|
|
return coinData != null && coinData.getBalanceInInternalUnits() != null;
|
|
}
|
|
|
|
|
|
@Override
|
|
public Uri getWalletExplorerUri() {
|
|
return Uri.parse("https://etherscan.io/token/" + getContractAddress(ctx.getCard()) + "?a=" + ctx.getCoinData().getWallet());
|
|
}
|
|
|
|
@Override
|
|
public Uri getShareWalletUri() {
|
|
return Uri.parse("ethereum:" + ctx.getCoinData().getWallet());
|
|
}
|
|
|
|
@Override
|
|
public boolean isExtractPossible() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean checkNewTransactionAmount(Amount amount) {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean checkNewTransactionAmountAndFee(Amount amount, Amount fee, Boolean isFeeIncluded) {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean validateBalance(BalanceValidator balanceValidator) {
|
|
if (coinData.getBalanceInInternalUnits() == null) {
|
|
balanceValidator.setScore(0);
|
|
balanceValidator.setFirstLine("No connection");
|
|
balanceValidator.setSecondLine("Authenticity cannot be verified. Swipe down to refresh.");
|
|
return false;
|
|
}
|
|
|
|
if (coinData.isBalanceReceived()) {
|
|
if (isBalanceNotZero()) {
|
|
balanceValidator.setScore(100);
|
|
balanceValidator.setFirstLine("Verified in blockchain");
|
|
balanceValidator.setSecondLine("");
|
|
} else {
|
|
balanceValidator.setScore(0);
|
|
balanceValidator.setFirstLine("Authenticity was not verified");
|
|
balanceValidator.setSecondLine("");
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public Amount getBalance() {
|
|
return null;
|
|
}
|
|
|
|
|
|
@Override
|
|
public String evaluateFeeEquivalent(String fee) {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public String getFeeCurrency() {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public SignTask.TransactionToSign constructTransaction(Amount amountValue, Amount feeValue, boolean IncFee, String targetAddress) throws Exception {
|
|
throw new Exception("Not implemented");
|
|
}
|
|
|
|
@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) {
|
|
try {
|
|
if (validateAddress(getContractAddress(ctx.getCard()))) {
|
|
String balanceCap = infuraResponse.getResult();
|
|
balanceCap = balanceCap.substring(2);
|
|
BigInteger l = new BigInteger(balanceCap, 16);
|
|
coinData.setBalanceInInternalUnits(new InternalAmount(l, ctx.getCard().tokenSymbol));
|
|
coinData.setBalanceReceived(true);
|
|
// Log.i("$TAG eth_call", balanceCap)
|
|
} else {
|
|
ctx.setError("Smart contract address not defined");
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
blockchainRequestsCallbacks.onComplete(!ctx.hasError());
|
|
}
|
|
|
|
@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_CALL, 67, coinData.getWallet(), getContractAddress(ctx.getCard()), "");
|
|
}
|
|
|
|
@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);
|
|
|
|
Log.i(TAG, "Infura gas price: " + gasPrice + " (" + l.toString() + ")");
|
|
BigInteger m;
|
|
if (!amount.getCurrency().equals(Blockchain.Ethereum.getCurrency()))
|
|
m = BigInteger.valueOf(60000);
|
|
else m = BigInteger.valueOf(21000);
|
|
|
|
Log.i(TAG, "fee multiplier: " + m.toString());
|
|
|
|
InternalAmount weiMinFee = new InternalAmount(l.multiply(m), "wei");
|
|
InternalAmount weiNormalFee = new InternalAmount(l.multiply(BigInteger.valueOf(12)).divide(BigInteger.valueOf(10)).multiply(m), "wei");
|
|
InternalAmount weiMaxFee = new 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");
|
|
|
|
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);
|
|
}
|
|
};
|
|
serverApiInfura.setResponseListener(responseListener);
|
|
|
|
serverApiInfura.requestData(ServerApiInfura.INFURA_ETH_GAS_PRICE, 67, coinData.getWallet(), "", "");
|
|
}
|
|
|
|
@Override
|
|
public void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) {
|
|
}
|
|
|
|
public boolean isNftToken() {
|
|
return true;
|
|
}
|
|
|
|
|
|
}
|