Updated on 2026-08-14
This commit is contained in:
Tangem
parent
f2fc3e9886
commit
e122ccd0eb
20 changed files with 615 additions and 472 deletions
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@ -1,6 +1,7 @@
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package com.tangem.domain.wallet;
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import android.net.Uri;
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import android.text.InputFilter;
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import android.util.Log;
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import com.google.common.base.Strings;
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@ -8,6 +9,7 @@ import com.tangem.domain.cardReader.CardProtocol;
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import com.tangem.domain.cardReader.TLV;
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import com.tangem.util.BTCUtils;
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import com.tangem.util.CryptoUtil;
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import com.tangem.util.DecimalDigitsInputFilter;
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import com.tangem.wallet.R;
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import org.bitcoinj.core.ECKey;
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@ -17,11 +19,7 @@ import java.math.BigInteger;
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import java.math.RoundingMode;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.text.DecimalFormat;
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import java.util.Arrays;
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import java.util.Date;
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import static com.tangem.util.FormatUtil.GetDecimalFormat;
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/**
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* Created by Ilia on 20.03.2018.
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@ -29,47 +27,103 @@ import static com.tangem.util.FormatUtil.GetDecimalFormat;
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public class TokenEngine extends CoinEngine {
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@Override
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public String getOfflineBalanceHTML() {
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return ctx.getString(R.string.not_implemented);
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}
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public TokenData coinData = null;
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public TokenEngine(TangemContext context) {
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super(context);
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public TokenEngine(TangemContext ctx) throws Exception {
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super(ctx);
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if (ctx.getCoinData() == null) {
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coinData = new TokenData();
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ctx.setCoinData(coinData);
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} else if (ctx.getCoinData() instanceof BtcData) {
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coinData = (TokenData) ctx.getCoinData();
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} else {
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throw new Exception("Invalid type of Blockchain data for TokenEngine");
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}
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}
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public TokenEngine() {
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super();
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}
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@Override
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public boolean awaitingConfirmation() {
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return false;
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}
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@Override
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public Amount getBalance() {
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if (!hasBalanceInfo()) {
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return null;
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}
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try {
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if (coinData.getBalanceInInternalUnits().notZero()) {
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return convertToAmount(coinData.getBalanceInInternalUnits());
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} else {
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return convertToAmount(coinData.getBalanceAlterInInternalUnits());
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}
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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public String getBalanceCurrency(TangemCard card) {
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String currency = card.getTokenSymbol();
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@Override
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public String getBalanceHTML() {
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if (hasBalanceInfo()) {
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try {
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return " " + convertToAmount(coinData.getBalanceInInternalUnits()).toDescriptionString(getTokenDecimals()) + " <br><small><small> + " + convertToAmount(coinData.getBalanceAlterInInternalUnits()).toDescriptionString(getEthDecimals()) + " for gas</small></small>";
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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} else {
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return "";
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}
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}
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@Override
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public String getBalanceCurrencyHTML() {
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String currency = ctx.getCard().getTokenSymbol();
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if (Strings.isNullOrEmpty(currency))
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return "NoN";
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return currency;
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if (hasBalanceInfo()) {
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if (coinData.getBalanceInInternalUnits().notZero()) {
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return currency;
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} else {
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return "ETH";
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}
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} else {
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return currency;
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}
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}
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public String getFeeCurrency() {
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return "Gwei";
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@Override
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public InputFilter[] getAmountInputFilters() {
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if (!hasBalanceInfo()) return null;
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if (coinData.getBalanceInInternalUnits().notZero()) {
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return new InputFilter[]{new DecimalDigitsInputFilter(getTokenDecimals())};
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} else {
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return new InputFilter[]{new DecimalDigitsInputFilter(getEthDecimals())};
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}
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}
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BigDecimal convertToEth(String value) {
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BigInteger m = new BigInteger(value, 10);
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BigDecimal n = new BigDecimal(m);
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BigDecimal d = n.divide(new BigDecimal("1000000000000000000"));
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d = d.setScale(8, RoundingMode.DOWN);
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return d;
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@Override
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public String getFeeCurrencyHTML() {
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return "ETH";
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}
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@Override
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public String getOfflineBalanceHTML() {
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return ctx.getString(R.string.not_implemented);
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}
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public int getTokenDecimals(TangemCard card) {
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return card.getTokensDecimal();
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public static int getEthDecimals() {
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return 18;
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}
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public int getTokenDecimals() {
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return ctx.getCard().getTokensDecimal();
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}
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public String getContractAddress(TangemCard card) {
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@ -80,7 +134,8 @@ public class TokenEngine extends CoinEngine {
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return false;
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}
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public boolean validateAddress(String address, TangemCard card) {
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@Override
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public boolean validateAddress(String address) {
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if (address == null || address.isEmpty()) {
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return false;
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}
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@ -96,140 +151,40 @@ public class TokenEngine extends CoinEngine {
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return true;
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}
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// public String GetBalanceAlterValue(TangemCard mCard) {
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// String dec = mCard.getDecimalBalanceAlter();
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// if(dec == null || dec.isEmpty()) return "";
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// BigDecimal d = convertToEth(dec);
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// String s = d.toString();
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//
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// String pattern = "#0.##################"; // If you like 4 zeros
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// DecimalFormat myFormatter = new DecimalFormat(pattern);
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// String output = myFormatter.format(d);
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// return output;
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// }
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//
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// public BigDecimal getBalanceAlterValueBigDecimal(TangemCard card) {
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// String dec = card.getDecimalBalanceAlter();
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// BigDecimal d = convertToEth(dec);
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//// String s = d.toString();
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//
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//// String pattern = "#0.000"; // If you like 4 zeros
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//// DecimalFormat myFormatter = new DecimalFormat(pattern);
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//// String output = myFormatter.format(d);
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// return d;
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// }
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//
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// public String getBalanceValue(TangemCard mCard) {
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// if (!hasBalanceInfo(mCard))
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// return "";
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//
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// String dec = mCard.getDecimalBalance();
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// BigDecimal d = new BigDecimal(dec);
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// BigDecimal p = new BigDecimal(10);
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// p = p.pow(getTokenDecimals(mCard));
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// BigDecimal l = d.divide(p);
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//
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// String pattern = "#0.##################"; // If you like 4 zeros
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// DecimalFormat myFormatter = new DecimalFormat(pattern);
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// String output = myFormatter.format(l);
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// return output;
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// }
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//
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// public BigDecimal GetBalanceValueBigDecimal(TangemCard mCard) {
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//
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// String dec = mCard.getDecimalBalance();
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// BigDecimal d = new BigDecimal(dec);
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// BigDecimal p = new BigDecimal(10);
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// p = p.pow(getTokenDecimals(mCard));
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// BigDecimal l = d.divide(p);
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//
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// return l;
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// }
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public boolean checkAmount(TangemCard card, String amount) throws Exception {
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DecimalFormat decimalFormat = GetDecimalFormat();
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BigDecimal amountValue = (BigDecimal) decimalFormat.parse(amount); //new BigDecimal(strAmount);
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BigDecimal maxValue = GetBalanceValueBigDecimal(card);
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if (amountValue.compareTo(maxValue) > 0) {
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return false;
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}
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return true;
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}
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public Long getBalanceLong(TangemCard mCard) {
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return mCard.getBalance();
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}
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public boolean isBalanceAlterNotZero(TangemCard card) {
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String balance = card.getDecimalBalanceAlter();
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if (balance == null || balance == "")
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return false;
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BigDecimal bi = new BigDecimal(balance);
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if (BigDecimal.ZERO.compareTo(bi) == 0)
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return false;
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return true;
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}
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public boolean isBalanceNotZero(TangemCard card) {
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String balance = card.getDecimalBalance();
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if (balance == null || balance == "")
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return false;
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BigDecimal bi = new BigDecimal(balance);
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if (BigDecimal.ZERO.compareTo(bi) == 0)
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return false;
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return true;
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}
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public boolean hasBalanceInfo(TangemCard card) {
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String balance = card.getDecimalBalance();
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if (balance == null || balance == "")
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return false;
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String balanceEx = card.getDecimalBalanceAlter();
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if (balanceEx == null || balanceEx == "")
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return false;
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return true;
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@Override
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public boolean isBalanceAlterNotZero() {
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if (coinData == null) return false;
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if (coinData.getBalanceAlterInInternalUnits() == null) return false;
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return coinData.getBalanceAlterInInternalUnits().notZero();
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}
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@Override
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public String getBalanceEquivalent(TangemCard mCard) {
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if (!hasBalanceInfo(mCard)) {
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public boolean isBalanceNotZero() {
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if (coinData == null) return false;
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if (coinData.getBalanceInInternalUnits() == null) return false;
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return coinData.getBalanceInInternalUnits().notZero();
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}
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@Override
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public String getBalanceEquivalent() {
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if (!hasBalanceInfo()) {
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return "";
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}
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try {
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if (coinData.getBalanceInInternalUnits().notZero()) {
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return convertToAmount(coinData.getBalanceInInternalUnits()).toEquivalentString(coinData.getRate());
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} else {
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return convertToAmount(coinData.getBalanceAlterInInternalUnits()).toEquivalentString(coinData.getRateAlter());
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}
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} catch (Exception e) {
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e.printStackTrace();
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return "";
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}
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String dec = mCard.getDecimalBalance();
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BigDecimal d = convertToEth(dec);
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return EthEngine.getAmountEquivalentDescriptionETH(d, mCard.getRate());
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}
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@Override
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public String getBalance(TangemCard mCard) {
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if (!hasBalanceInfo(mCard)) {
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return "";
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}
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String output = getBalanceValue(mCard);
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String s = output + " " + getBalanceCurrency(mCard);
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return s;
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}
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public String getBalanceHTML(TangemCard mCard) {
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//return getBalance(mCard) + "\n(" + GetBalanceAlterValue(mCard) + " ETH)";
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if (GetBalanceAlterValue(mCard) != "") {
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return " " + getBalance(mCard) + " <br><small><small> + " + GetBalanceAlterValue(mCard) + " ETH for gas</small></small>";
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} else {
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return "";
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}
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}
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public String calculateAddress(TangemCard mCard, byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException {
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public String calculateAddress(byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException {
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Keccak256 kec = new Keccak256();
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int lenPk = pkUncompressed.length;
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if (lenPk < 2) {
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@ -250,64 +205,124 @@ public class TokenEngine extends CoinEngine {
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}
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@Override
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public String convertByteArrayToAmount(TangemCard mCard, byte[] bytes) throws Exception {
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public Amount convertToAmount(InternalAmount internalAmount) throws Exception {
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if (internalAmount.getCurrency().equals("wei")) {
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BigDecimal d = internalAmount.divide(new BigDecimal("1000000000000000000"), getEthDecimals(), RoundingMode.DOWN);
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return new Amount(d, "ETH");
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} else if (internalAmount.getCurrency().equals(ctx.getCard().getTokenSymbol())) {
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BigDecimal p = new BigDecimal(10);
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p = p.pow(getTokenDecimals());
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BigDecimal d = internalAmount.divide(p);
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return new Amount(d, ctx.getCard().getTokenSymbol());
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}
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throw new Exception(String.format("Can't convert '%s' to '%s'", internalAmount.getCurrency(), ctx.getCard().getTokenSymbol()));
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}
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@Override
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public Amount convertToAmount(String strAmount, String currency) {
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return new Amount(strAmount, currency);
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}
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@Override
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public InternalAmount convertToInternalAmount(Amount amount) throws Exception {
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if (amount.getCurrency().equals("ETH")) {
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BigDecimal d = amount.multiply(new BigDecimal("1000000000000000000"));
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return new InternalAmount(d, "wei");
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} else if (amount.getCurrency().equals(ctx.getCard().getTokenSymbol())) {
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BigDecimal p = new BigDecimal(10);
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p = p.pow(getTokenDecimals());
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BigDecimal d = amount.multiply(p);
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return new InternalAmount(d, ctx.getCard().getTokenSymbol());
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}
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throw new Exception(String.format("Can't convert '%s' to '%s'", amount.getCurrency(), ctx.getCard().getTokenSymbol()));
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}
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@Override
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public InternalAmount convertToInternalAmount(byte[] bytes) throws Exception {
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throw new Exception("Not implemented");
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}
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@Override
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public byte[] convertAmountToByteArray(TangemCard mCard, String amount) throws Exception {
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public byte[] convertToByteArray(InternalAmount amount) throws Exception {
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throw new Exception("Not implemented");
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}
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@Override
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public String getAmountDescription(TangemCard mCard, String amount) throws Exception {
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throw new Exception("Not implemented");
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public CoinData createCoinData() {
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return new TokenData();
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}
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@Override
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public String getUnspentInputsDescription() {
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return "";
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}
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// @Override
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// public String getFeeEquivalentDescriptor(String value) {
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// BigDecimal d = new BigDecimal(value);
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// return EthEngine.getAmountEquivalentDescription(d, coinData.getRateAlter());
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// }
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@Override
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public boolean hasBalanceInfo() {
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return coinData != null && coinData.getBalanceInInternalUnits() != null && coinData.getBalanceAlterInInternalUnits() != null;
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}
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public String getAmountEquivalentDescriptor(TangemCard mCard, String value) {
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BigDecimal d = new BigDecimal(value);
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return EthEngine.getAmountEquivalentDescriptionETH(d, mCard.getRate());
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@Override
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public Uri getShareWalletUriExplorer() {
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return Uri.parse("https://etherscan.io/token/" + getContractAddress(ctx.getCard()) + "?a=" + ctx.getCard().getWallet());
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}
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public String getFeeEquivalentDescriptor(TangemCard card, String value) {
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BigDecimal d = new BigDecimal(value);
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return EthEngine.getAmountEquivalentDescriptionETH(d, card.getRateAlter());
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}
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public Uri getShareWalletUriExplorer(TangemCard mCard) {
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return Uri.parse("https://etherscan.io/token/" + getContractAddress(mCard) + "?a=" + mCard.getWallet());
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}
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public Uri getShareWalletUri(TangemCard mCard) {
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if (mCard.getDenomination() != null) {
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return Uri.parse("ethereum:" + mCard.getWallet());// + "?value=" + mCard.getDenomination() +"e18");
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@Override
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public Uri getShareWalletUri() {
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if (ctx.getCard().getDenomination() != null) {
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return Uri.parse("ethereum:" + ctx.getCard().getWallet());// + "?value=" + mCard.getDenomination() +"e18");
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} else {
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return Uri.parse("ethereum:" + mCard.getWallet());
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return Uri.parse("ethereum:" + ctx.getCard().getWallet());
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}
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}
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public boolean checkUnspentTransaction(TangemCard mCard) {
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@Override
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public boolean checkUnspentTransaction() {
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return true;
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}
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public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits, Boolean incfee) {
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Long fee;
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BigDecimal amount;
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@Override
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public boolean checkNewTransactionAmount(Amount amount) {
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if (!hasBalanceInfo()) return false;
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Amount balance;
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try {
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amount = getBalanceAlterValueBigDecimal(card);//card.internalUnitsFromString(amountValue);
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fee = card.internalUnitsFromString(feeValue);
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} catch (Exception e) {
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if (amount.getCurrency().equals(ctx.getCard().tokenSymbol)) {
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balance = convertToAmount(coinData.getBalanceInInternalUnits());
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} else if (amount.getCurrency().equals("ETH") && coinData.getBalanceInInternalUnits().isZero()) {
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balance = convertToAmount(coinData.getBalanceInInternalUnits());
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} else {
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return false;
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}
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}
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catch (Exception e)
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{
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e.printStackTrace();
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return false;
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}
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return amount.compareTo(balance) <= 0;
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}
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if (fee == null || amount == null)
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return false;
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@Override
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public boolean checkNewTransactionAmountAndFee(Amount amount, Amount fee, Boolean isFeeIncluded, InternalAmount minFeeInInternalUnits) {
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if (!hasBalanceInfo()) return false;
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if (fee == 0 || amount.compareTo(BigDecimal.ZERO) == 0)
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return false;
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try {
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Amount balance = convertToAmount(coinData.getBalanceAlterInInternalUnits());
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if (fee == null || amount == null || fee.isZero() || amount.isZero())
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return false;
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if (amount.getCurrency().equals(ctx.getCard().tokenSymbol)) {
|
||||
// token transaction
|
||||
//TODO ???
|
||||
// BigDecimal tmpFee = new BigDecimal(feeValue);
|
||||
// BigDecimal tmpAmount = amount;
|
||||
// tmpAmount = tmpAmount.multiply(new BigDecimal("1000000000"));
|
||||
|
|
@ -315,29 +330,94 @@ public class TokenEngine extends CoinEngine {
|
|||
// if (tmpFee.compareTo(tmpAmount) > 0)
|
||||
// return false;
|
||||
|
||||
} else if (amount.getCurrency().equals("ETH") && coinData.getBalanceInInternalUnits().isZero()) {
|
||||
// standart ETH transaction
|
||||
try {
|
||||
BigDecimal cardBalance = getBalance();
|
||||
|
||||
if (isFeeIncluded && amount.compareTo(cardBalance) > 0)
|
||||
return false;
|
||||
|
||||
if (!isFeeIncluded && amount.add(fee).compareTo(cardBalance) > 0)
|
||||
return false;
|
||||
|
||||
} catch (NumberFormatException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
} else
|
||||
|
||||
{
|
||||
return false;
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public String evaluateFeeEquivalent(TangemCard mCard, String fee) {
|
||||
BigDecimal gweFee = new BigDecimal(fee);
|
||||
gweFee = gweFee.divide(new BigDecimal("1000000000"));
|
||||
gweFee = gweFee.setScale(18, RoundingMode.DOWN);
|
||||
return getFeeEquivalentDescriptor(mCard, gweFee.toString());
|
||||
@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("Unguaranteed balance");
|
||||
balanceValidator.setSecondLine("Transaction is in progress. 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;
|
||||
}
|
||||
|
||||
public byte[] sign(String feeValue, String amountValue, boolean IncFee, String toValue, TangemCard mCard, CardProtocol protocol) throws Exception {
|
||||
|
||||
BigInteger nonceValue = mCard.getConfirmedTXCount();
|
||||
byte[] pbKey = mCard.getWalletPublicKey();
|
||||
boolean flag = (mCard.getSigningMethod() == TangemCard.SigningMethod.Sign_Hash_Validated_By_Issuer);
|
||||
Issuer issuer = mCard.getIssuer();
|
||||
@Override
|
||||
public String evaluateFeeEquivalent(String fee) {
|
||||
Amount feeValue = new Amount(fee, getFeeCurrencyHTML());
|
||||
return feeValue.toEquivalentString(coinData.getRate());
|
||||
|
||||
//
|
||||
// BigDecimal gweFee = new BigDecimal(fee);
|
||||
// gweFee = gweFee.divide(new BigDecimal("1000000000"));
|
||||
// gweFee = gweFee.setScale(18, RoundingMode.DOWN);
|
||||
// return getFeeEquivalentDescriptor(mCard, gweFee.toString());
|
||||
}
|
||||
|
||||
@Override
|
||||
public byte[] sign(String feeValue, String amountValue, boolean IncFee, String toValue, CardProtocol protocol) throws Exception {
|
||||
BigInteger nonceValue = coinData.getConfirmedTXCount();
|
||||
byte[] pbKey = ctx.getCard().getWalletPublicKey();
|
||||
boolean flag = (ctx.getCard().getSigningMethod() == TangemCard.SigningMethod.Sign_Hash_Validated_By_Issuer);
|
||||
Issuer issuer = ctx.getCard().getIssuer();
|
||||
|
||||
|
||||
BigInteger fee = new BigInteger(feeValue, 10);
|
||||
|
||||
BigDecimal amountDecValue = new BigDecimal(amountValue);
|
||||
|
||||
int d = getTokenDecimals(mCard);
|
||||
int d = getTokenDecimals();
|
||||
BigDecimal amountDec = new BigDecimal("10");
|
||||
amountDec = amountDec.pow(d);
|
||||
amountDec = amountDecValue.multiply(amountDec);
|
||||
|
|
@ -366,7 +446,7 @@ public class TokenEngine extends CoinEngine {
|
|||
to = to.substring(2);
|
||||
}
|
||||
|
||||
String contractAddress = getContractAddress(mCard);
|
||||
String contractAddress = getContractAddress(ctx.getCard());
|
||||
|
||||
if (contractAddress.startsWith("0x") || contractAddress.startsWith("0X")) {
|
||||
contractAddress = contractAddress.substring(2);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue