Updated on 2026-08-14
This commit is contained in:
Tangem
parent
bae8bd0e6c
commit
f2fc3e9886
6 changed files with 215 additions and 237 deletions
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@ -60,35 +60,6 @@ public class BalanceValidator {
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if( !engine.validateBalance(this) ) return;
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} else if ((card.getBlockchain() == Blockchain.Ethereum) || (card.getBlockchain() == Blockchain.Token)) {
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if (card.getBalance() == null) {
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score = 0;
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firstLine = "Unknown balance";
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secondLine = "Balance cannot be verified. Swipe down to refresh.";
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return;
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}
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if (!card.getUnconfirmedTXCount().equals(card.getConfirmedTXCount())) {
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score = 0;
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firstLine = "Unguaranteed balance";
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secondLine = "Transaction is in progress. Wait for confirmation in blockchain.";
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return;
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}
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if (card.isBalanceReceived()) {
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score = 100;
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firstLine = "Verified balance";
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secondLine = "Balance confirmed in blockchain";
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if (card.getBalance() == 0) {
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firstLine = "Empty wallet";
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secondLine = "";
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}
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}
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if ((card.getOfflineBalance() != null) && !card.isBalanceReceived() && (card.getRemainingSignatures() == card.getMaxSignatures()) && card.getBalance() != 0) {
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score = 80;
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firstLine = "Verified offline balance";
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secondLine = "Restore internet connection to obtain trusted balance from blockchain";
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}
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}
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// Verify card?
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@ -107,10 +107,10 @@ public class BtcEngine extends CoinEngine {
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@Override
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public String getBalanceHTML() {
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if (hasBalanceInfo()) {
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Amount balance = convertToAmount(btcData.getBalanceInInternalUnits());
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Amount balance=getBalance();
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if( balance!=null ) {
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return balance.toString();
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} else {
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}else{
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return "";
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}
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}
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@ -65,6 +65,11 @@ public abstract class CoinEngine {
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this.blockchain=blockchain;
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}
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public Amount(BigDecimal amount, Blockchain blockchain) {
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super(amount.unscaledValue(), amount.scale());
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this.blockchain=blockchain;
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}
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public String getCurrency() {
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return blockchain.getCurrency();
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}
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@ -83,6 +88,9 @@ public abstract class CoinEngine {
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return super.toString();
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}
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public boolean isZero() {
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return compareTo(BigDecimal.ZERO)==0;
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}
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}
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protected TangemContext ctx;
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@ -52,12 +52,20 @@ public class EthEngine extends CoinEngine {
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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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return convertToAmount(ethData.getBalanceInInternalUnits());
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}
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@Override
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public String getBalanceHTML() {
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if (hasBalanceInfo()) {
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Amount balance = convertToAmount(ethData.getBalanceInInternalUnits());
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Amount balance=getBalance();
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if( balance!=null ) {
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return balance.toString();
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} else {
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}else{
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return "";
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}
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}
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@ -74,13 +82,14 @@ public class EthEngine extends CoinEngine {
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return offlineAmount.toString();
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}
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@Override
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public boolean isBalanceAlterNotZero() {
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return true;
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return true; //TODO ???
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// if( ethData==null ) return false;
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// if (ethData.getBalanceAlterInInternalUnits() == null) return false;
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// return ethData.getBalanceAlterInInternalUnits().notZero();
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}
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@Override
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public boolean isBalanceNotZero() {
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if( ethData==null ) return false;
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@ -90,26 +99,34 @@ public class EthEngine extends CoinEngine {
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@Override
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public String getFeeCurrencyHTML() {
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return "Gwei";
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return "ETH";
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}
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public boolean isNeedCheckNode() {
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return false;
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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 CoinData createCoinData() {
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return new EthData();
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}
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public String getContractAddress(TangemCard card) {
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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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public boolean validateAddress(String address, TangemCard card) {
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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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// }
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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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@ -126,18 +143,18 @@ public class EthEngine extends CoinEngine {
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return true;
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}
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public String getBalanceValue(TangemCard mCard) {
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String dec = mCard.getDecimalBalance();
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BigDecimal d = convertToEth(dec);
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String s = d.toString();
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// public String getBalanceValue(TangemCard mCard) {
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// String dec = ethData.getBalanceInInternalUnits();
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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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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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public static String getAmountEquivalentDescriptionETH(BigDecimal amount, float rateValue) {
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public static String getAmountEquivalentDescription(Amount amount, double rateValue) {
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if (amount == null || amount.compareTo(BigDecimal.ZERO) == 0)
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return "";
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@ -151,137 +168,96 @@ public class EthEngine extends CoinEngine {
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}
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}
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public static String getAmountEquivalentDescriptionETH(Double amount, float rate) {
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if (amount == 0)
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return "";
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amount = amount / 100000;
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if (rate > 0) {
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return String.format("≈ USD %.2f", amount * rate);
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} else {
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return "";
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}
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// public static String getAmountEquivalentDescriptionETH(Double amount, float rate) {
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// if (amount == 0)
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// return "";
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// amount = amount / 100000;
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// if (rate > 0) {
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// return String.format("≈ USD %.2f", amount * rate);
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// } else {
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// return "";
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// }
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//
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// }
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@Override
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public String getBalanceEquivalent() {
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return getAmountEquivalentDescription(getBalance(), ethData.getRate());
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}
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@Override
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public Amount convertToAmount(InternalAmount internalAmount) {
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BigDecimal d = internalAmount.divide(new BigDecimal("1000000000000000000"), 8, RoundingMode.DOWN);
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return new Amount(d, ctx.getBlockchain());
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}
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@Override
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public Amount convertToAmount(String strAmount) {
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return new Amount(strAmount, ctx.getBlockchain());
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}
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@Override
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public InternalAmount convertToInternalAmount(Amount amount){
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return new InternalAmount(amount.multiply(new BigDecimal("1000000000000000000")));
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}
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@Override
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public InternalAmount convertToInternalAmount(byte[] bytes) {
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//throw new Exception("Not implemented");
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return null;
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}
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@Override
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public String getBalanceEquivalent(TangemCard mCard) {
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String dec = mCard.getDecimalBalance();
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BigDecimal d = convertToEth(dec);
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return 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 Long getBalanceLong(TangemCard mCard) {
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return mCard.getBalance();
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}
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public String getBalanceHTML(TangemCard mCard) {
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return getBalance(mCard);
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}
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public boolean isBalanceAlterNotZero(TangemCard card) {
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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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@Override
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public String convertByteArrayToAmount(TangemCard mCard, byte[] bytes) 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 byte[] convertAmountToByteArray(TangemCard mCard, String 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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}
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public String getAmountEquivalentDescriptor(TangemCard card, String value) {
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BigDecimal d = new BigDecimal(value);
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return getAmountEquivalentDescriptionETH(d, card.getRate());
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}
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public BigDecimal GetBalanceAlterValueBigDecimal(TangemCard mCard) {
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String dec = mCard.getDecimalBalanceAlter();
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BigDecimal d = convertToEth(dec);
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// String s = d.toString();
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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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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 = new BigDecimal(getBalanceValue(card));
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BigDecimal maxValue = GetBalanceAlterValueBigDecimal(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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@Override
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public boolean hasBalanceInfo() {
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return ethData.hasBalanceInfo();
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return ethData.getBalanceInInternalUnits()!=null;
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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 Uri getShareWalletUriExplorer(TangemCard mCard) {
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if (mCard.getBlockchain() == Blockchain.EthereumTestNet)
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return Uri.parse("https://rinkeby.etherscan.io/address/" + mCard.getWallet());
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@Override
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public Uri getShareWalletUriExplorer() {
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if (ctx.getCard().getBlockchain() == Blockchain.EthereumTestNet)
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return Uri.parse("https://rinkeby.etherscan.io/address/" + ctx.getCard().getWallet());
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else
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return Uri.parse("https://etherscan.io/address/" + mCard.getWallet());
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return Uri.parse("https://etherscan.io/address/" + ctx.getCard().getWallet());
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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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@Override
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public InputFilter[] getAmountInputFilters() {
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return new InputFilter[] { new DecimalDigitsInputFilter(18) };
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}
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@Override
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public boolean checkNewTransactionAmount(Amount amount){
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if( ethData==null ) return false;
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Amount balance=getBalance();
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if (balance==null || amount.compareTo(balance) > 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 boolean checkAmountValue(TangemCard mCard, String amountValue, String feeValue, Long minFeeInInternalUnits, Boolean incfee) {
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@Override
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public boolean checkNewTransactionAmountAndFee(Amount amount, Amount fee, Boolean isFeeIncluded, InternalAmount minFeeInInternalUnits) {
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// Long fee = null;
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// Long amount = null;
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// try {
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@ -303,18 +279,12 @@ public class EthEngine extends CoinEngine {
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// return false;
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try {
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BigDecimal tmpFee = new BigDecimal(feeValue);
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BigDecimal tmpAmount = new BigDecimal(amountValue);
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BigDecimal cardBalance = new BigDecimal(ethData.getDecimalBalance());
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tmpAmount = tmpAmount.multiply(new BigDecimal("1000000000"));
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cardBalance = cardBalance.divide(new BigDecimal("1000000000"));
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//if (tmpFee.compareTo(tmpAmount) > 0)
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// return false;
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BigDecimal cardBalance = getBalance();
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if (incfee && tmpAmount.compareTo(cardBalance) > 0 )
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if (isFeeIncluded && amount.compareTo(cardBalance) > 0 )
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return false;
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if (!incfee && tmpAmount.add(tmpFee).compareTo(cardBalance) > 0)
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if (!isFeeIncluded && amount.add(fee).compareTo(cardBalance) > 0)
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return false;
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} catch (NumberFormatException e) {
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@ -324,14 +294,50 @@ public class EthEngine extends CoinEngine {
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return true;
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}
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public String evaluateFeeEquivalent(TangemCard card, String fee) {
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BigDecimal gweFee = new BigDecimal(fee);
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gweFee = gweFee.divide(new BigDecimal("1000000000"));
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gweFee = gweFee.setScale(18, RoundingMode.DOWN);
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return getAmountEquivalentDescriptor(card, gweFee.toString());
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@Override
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public boolean validateBalance(BalanceValidator balanceValidator) {
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if (getBalance() == null) {
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balanceValidator.setScore(0);
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balanceValidator.setFirstLine("Unknown balance");
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balanceValidator.setSecondLine("Balance cannot be verified. Swipe down to refresh.");
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return false;
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}
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if (!ethData.getUnconfirmedTXCount().equals(ethData.getConfirmedTXCount())) {
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balanceValidator.setScore(0);
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balanceValidator.setFirstLine("Unguaranteed balance");
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balanceValidator.setSecondLine("Transaction is in progress. Wait for confirmation in blockchain.");
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return false;
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}
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if (ethData.isBalanceReceived()) {
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balanceValidator.setScore(100);
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balanceValidator.setFirstLine("Verified balance");
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balanceValidator.setSecondLine("Balance confirmed in blockchain");
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if (getBalance().isZero()) {
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balanceValidator.setFirstLine("Empty wallet");
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balanceValidator.setSecondLine("");
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}
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}
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if ((ctx.getCard().getOfflineBalance() != null) && !ethData.isBalanceReceived() && (ctx.getCard().getRemainingSignatures() == ctx.getCard().getMaxSignatures()) && getBalance().notZero()) {
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balanceValidator.setScore(80);
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balanceValidator.setFirstLine("Verified offline balance");
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balanceValidator.setSecondLine("Restore internet connection to obtain trusted balance from blockchain");
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}
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return true;
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}
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public String calculateAddress(TangemCard mCard, byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException {
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@Override
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public String evaluateFeeEquivalent(String fee) {
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Amount feeValue = new Amount(fee, ctx.getBlockchain());
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return getAmountEquivalentDescription(feeValue, ethData.getRate());
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}
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@Override
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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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@ -351,12 +357,13 @@ public class EthEngine extends CoinEngine {
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return String.format("0x%s", BTCUtils.toHex(address));
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}
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public byte[] sign(String feeValue, String amountValue, boolean IncFee, String toValue, TangemCard mCard, CardProtocol protocol) throws Exception {
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@Override
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public byte[] sign(String feeValue, String amountValue, boolean IncFee, String toValue, CardProtocol protocol) throws Exception {
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BigInteger nonceValue = ethData.getConfirmedTXCount();
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byte[] pbKey = mCard.getWalletPublicKey();
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boolean flag = (mCard.getSigningMethod() == TangemCard.SigningMethod.Sign_Hash_Validated_By_Issuer);
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Issuer issuer = mCard.getIssuer();
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byte[] pbKey = ctx.getCard().getWalletPublicKey();
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boolean flag = (ctx.getCard().getSigningMethod() == TangemCard.SigningMethod.Sign_Hash_Validated_By_Issuer);
|
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Issuer issuer = ctx.getCard().getIssuer();
|
||||
|
||||
|
||||
BigInteger fee = new BigInteger(feeValue, 10);
|
||||
|
|
@ -373,7 +380,7 @@ public class EthEngine extends CoinEngine {
|
|||
BigInteger nonce = nonceValue;
|
||||
BigInteger gasPrice = fee.divide(BigInteger.valueOf(21000));
|
||||
BigInteger gasLimit = BigInteger.valueOf(21000);
|
||||
Integer chainId = mCard.getBlockchain() == Blockchain.Ethereum ? EthTransaction.ChainEnum.Mainnet.getValue() : EthTransaction.ChainEnum.Rinkeby.getValue();
|
||||
Integer chainId = ctx.getBlockchain() == Blockchain.Ethereum ? EthTransaction.ChainEnum.Mainnet.getValue() : EthTransaction.ChainEnum.Rinkeby.getValue();
|
||||
|
||||
Long multiplicator = 1000000000L;
|
||||
amount = amount.multiply(BigInteger.valueOf(multiplicator));
|
||||
|
|
|
|||
|
|
@ -42,7 +42,8 @@ public class TokenEngine extends CoinEngine {
|
|||
|
||||
}
|
||||
|
||||
public boolean awaitingConfirmation(TangemCard card) {
|
||||
@Override
|
||||
public boolean awaitingConfirmation() {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
|
@ -95,55 +96,55 @@ public class TokenEngine extends CoinEngine {
|
|||
return true;
|
||||
}
|
||||
|
||||
public String GetBalanceAlterValue(TangemCard mCard) {
|
||||
String dec = mCard.getDecimalBalanceAlter();
|
||||
if(dec == null || dec.isEmpty()) return "";
|
||||
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 BigDecimal getBalanceAlterValueBigDecimal(TangemCard card) {
|
||||
String dec = card.getDecimalBalanceAlter();
|
||||
BigDecimal d = convertToEth(dec);
|
||||
// public String GetBalanceAlterValue(TangemCard mCard) {
|
||||
// String dec = mCard.getDecimalBalanceAlter();
|
||||
// if(dec == null || dec.isEmpty()) return "";
|
||||
// BigDecimal d = convertToEth(dec);
|
||||
// String s = d.toString();
|
||||
|
||||
// String pattern = "#0.000"; // If you like 4 zeros
|
||||
//
|
||||
// String pattern = "#0.##################"; // If you like 4 zeros
|
||||
// DecimalFormat myFormatter = new DecimalFormat(pattern);
|
||||
// String output = myFormatter.format(d);
|
||||
return d;
|
||||
}
|
||||
|
||||
public String getBalanceValue(TangemCard mCard) {
|
||||
if (!hasBalanceInfo(mCard))
|
||||
return "";
|
||||
|
||||
String dec = mCard.getDecimalBalance();
|
||||
BigDecimal d = new BigDecimal(dec);
|
||||
BigDecimal p = new BigDecimal(10);
|
||||
p = p.pow(getTokenDecimals(mCard));
|
||||
BigDecimal l = d.divide(p);
|
||||
|
||||
String pattern = "#0.##################"; // If you like 4 zeros
|
||||
DecimalFormat myFormatter = new DecimalFormat(pattern);
|
||||
String output = myFormatter.format(l);
|
||||
return output;
|
||||
}
|
||||
|
||||
public BigDecimal GetBalanceValueBigDecimal(TangemCard mCard) {
|
||||
|
||||
String dec = mCard.getDecimalBalance();
|
||||
BigDecimal d = new BigDecimal(dec);
|
||||
BigDecimal p = new BigDecimal(10);
|
||||
p = p.pow(getTokenDecimals(mCard));
|
||||
BigDecimal l = d.divide(p);
|
||||
|
||||
return l;
|
||||
}
|
||||
// return output;
|
||||
// }
|
||||
//
|
||||
// public BigDecimal getBalanceAlterValueBigDecimal(TangemCard card) {
|
||||
// String dec = card.getDecimalBalanceAlter();
|
||||
// BigDecimal d = convertToEth(dec);
|
||||
//// String s = d.toString();
|
||||
//
|
||||
//// String pattern = "#0.000"; // If you like 4 zeros
|
||||
//// DecimalFormat myFormatter = new DecimalFormat(pattern);
|
||||
//// String output = myFormatter.format(d);
|
||||
// return d;
|
||||
// }
|
||||
//
|
||||
// public String getBalanceValue(TangemCard mCard) {
|
||||
// if (!hasBalanceInfo(mCard))
|
||||
// return "";
|
||||
//
|
||||
// String dec = mCard.getDecimalBalance();
|
||||
// BigDecimal d = new BigDecimal(dec);
|
||||
// BigDecimal p = new BigDecimal(10);
|
||||
// p = p.pow(getTokenDecimals(mCard));
|
||||
// BigDecimal l = d.divide(p);
|
||||
//
|
||||
// String pattern = "#0.##################"; // If you like 4 zeros
|
||||
// DecimalFormat myFormatter = new DecimalFormat(pattern);
|
||||
// String output = myFormatter.format(l);
|
||||
// return output;
|
||||
// }
|
||||
//
|
||||
// public BigDecimal GetBalanceValueBigDecimal(TangemCard mCard) {
|
||||
//
|
||||
// String dec = mCard.getDecimalBalance();
|
||||
// BigDecimal d = new BigDecimal(dec);
|
||||
// BigDecimal p = new BigDecimal(10);
|
||||
// p = p.pow(getTokenDecimals(mCard));
|
||||
// BigDecimal l = d.divide(p);
|
||||
//
|
||||
// return l;
|
||||
// }
|
||||
|
||||
public boolean checkAmount(TangemCard card, String amount) throws Exception {
|
||||
DecimalFormat decimalFormat = GetDecimalFormat();
|
||||
|
|
|
|||
|
|
@ -287,15 +287,6 @@ class VerifyCard : Fragment(), NfcAdapter.ReaderCallback {
|
|||
val engine = CoinEngineFactory.create(ctx)
|
||||
|
||||
tvInputs.text = engine.unspentInputsDescription
|
||||
if (.blockchain == Blockchain.Bitcoin || card!!.blockchain == Blockchain.BitcoinTestNet || card!!.blockchain == Blockchain.BitcoinCash || card!!.blockchain == Blockchain.BitcoinCashTestNet) {
|
||||
var gatheredUnspents = 0
|
||||
for (i in 0 until card!!.unspentTransactions.size) {
|
||||
if (card!!.unspentTransactions[i].Raw.length > 1) gatheredUnspents++
|
||||
}
|
||||
tvInputs.text = card!!.unspentTransactions.size.toString() + " unspents (" + gatheredUnspents.toString() + " recieved)"
|
||||
}
|
||||
else
|
||||
tvInputs.text = ""
|
||||
|
||||
ivBlockchain.setImageResource(Blockchain.getLogoImageResource(ctx.card!!.blockchainID, ctx.card!!.tokenSymbol))
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue