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Updated on 2026-08-14

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Tangem 2018-10-30 12:25:49 +03:00
parent f2fc3e9886
commit e122ccd0eb
20 changed files with 615 additions and 472 deletions
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93
app/src/main/java/com/tangem/domain/wallet/EthEngine.java
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@ -17,28 +17,25 @@ import java.math.BigInteger;
import java.math.RoundingMode;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.text.DecimalFormat;
import java.util.Arrays;
import static com.tangem.util.FormatUtil.GetDecimalFormat;
/**
* Created by Ilia on 15.02.2018.
*/
public class EthEngine extends CoinEngine {
public EthData ethData = null;
public EthData coinData = null;
public EthEngine(TangemContext ctx) throws Exception {
super(ctx);
if (ctx.getCoinData() == null) {
ethData = new EthData();
ctx.setCoinData(ethData);
coinData = new EthData();
ctx.setCoinData(coinData);
} else if (ctx.getCoinData() instanceof BtcData) {
ethData = (EthData) ctx.getCoinData();
coinData = (EthData) ctx.getCoinData();
} else {
throw new Exception("Invalid type of Blockchain data for BtcEngine");
throw new Exception("Invalid type of Blockchain data for EthEngine");
}
}
@ -46,6 +43,9 @@ public class EthEngine extends CoinEngine {
super();
}
private static int getDecimals() {
return 18;
}
@Override
public boolean awaitingConfirmation(){
@ -57,14 +57,14 @@ public class EthEngine extends CoinEngine {
if (!hasBalanceInfo()) {
return null;
}
return convertToAmount(ethData.getBalanceInInternalUnits());
return convertToAmount(coinData.getBalanceInInternalUnits());
}
@Override
public String getBalanceHTML() {
Amount balance=getBalance();
if( balance!=null ) {
return balance.toString();
return balance.toDescriptionString(getDecimals());
}else{
return "";
}
@ -79,22 +79,22 @@ public class EthEngine extends CoinEngine {
public String getOfflineBalanceHTML() {
InternalAmount offlineInternalAmount = convertToInternalAmount(ctx.getCard().getOfflineBalance());
Amount offlineAmount = convertToAmount(offlineInternalAmount);
return offlineAmount.toString();
return offlineAmount.toDescriptionString(getDecimals());
}
@Override
public boolean isBalanceAlterNotZero() {
return true; //TODO ???
// if( ethData==null ) return false;
// if (ethData.getBalanceAlterInInternalUnits() == null) return false;
// return ethData.getBalanceAlterInInternalUnits().notZero();
// if( coinData==null ) return false;
// if (coinData.getBalanceAlterInInternalUnits() == null) return false;
// return coinData.getBalanceAlterInInternalUnits().notZero();
}
@Override
public boolean isBalanceNotZero() {
if( ethData==null ) return false;
if (ethData.getBalanceInInternalUnits() == null) return false;
return ethData.getBalanceInInternalUnits().notZero();
if( coinData ==null ) return false;
if (coinData.getBalanceInInternalUnits() == null) return false;
return coinData.getBalanceInInternalUnits().notZero();
}
@Override
@ -127,7 +127,6 @@ public class EthEngine extends CoinEngine {
@Override
public boolean validateAddress(String address) {
if (address == null || address.isEmpty()) {
return false;
}
@ -144,7 +143,7 @@ public class EthEngine extends CoinEngine {
}
// public String getBalanceValue(TangemCard mCard) {
// String dec = ethData.getBalanceInInternalUnits();
// String dec = coinData.getBalanceInInternalUnits();
// BigDecimal d = convertToEth(dec);
// String s = d.toString();
//
@ -154,19 +153,19 @@ public class EthEngine extends CoinEngine {
// return output;
// }
public static String getAmountEquivalentDescription(Amount amount, double rateValue) {
if (amount == null || amount.compareTo(BigDecimal.ZERO) == 0)
return "";
if (rateValue > 0) {
BigDecimal biRate = new BigDecimal(rateValue);
BigDecimal exchangeCurs = biRate.multiply(amount);
exchangeCurs = exchangeCurs.setScale(2, RoundingMode.DOWN);
return "≈ USD  " + exchangeCurs.toString();
} else {
return "";
}
}
// public static String getAmountEquivalentDescription(Amount amount, double rateValue) {
// if (amount == null || amount.compareTo(BigDecimal.ZERO) == 0)
// return "";
//
// if (rateValue > 0) {
// BigDecimal biRate = new BigDecimal(rateValue);
// BigDecimal exchangeCurs = biRate.multiply(amount);
// exchangeCurs = exchangeCurs.setScale(2, RoundingMode.DOWN);
// return "≈ USD  " + exchangeCurs.toString();
// } else {
// return "";
// }
// }
// public static String getAmountEquivalentDescriptionETH(Double amount, float rate) {
// if (amount == 0)
@ -183,23 +182,23 @@ public class EthEngine extends CoinEngine {
@Override
public String getBalanceEquivalent() {
return getAmountEquivalentDescription(getBalance(), ethData.getRate());
return getBalance().toEquivalentString(coinData.getRate());
}
@Override
public Amount convertToAmount(InternalAmount internalAmount) {
BigDecimal d = internalAmount.divide(new BigDecimal("1000000000000000000"), 8, RoundingMode.DOWN);
return new Amount(d, ctx.getBlockchain());
BigDecimal d = internalAmount.divide(new BigDecimal("1000000000000000000"), getDecimals(), RoundingMode.DOWN);
return new Amount(d, ctx.getBlockchain().getCurrency());
}
@Override
public Amount convertToAmount(String strAmount) {
return new Amount(strAmount, ctx.getBlockchain());
public Amount convertToAmount(String strAmount, String currency) {
return new Amount(strAmount, currency);
}
@Override
public InternalAmount convertToInternalAmount(Amount amount){
return new InternalAmount(amount.multiply(new BigDecimal("1000000000000000000")));
return new InternalAmount(amount.multiply(new BigDecimal("1000000000000000000")),"wei");
}
@Override
@ -216,7 +215,7 @@ public class EthEngine extends CoinEngine {
@Override
public boolean hasBalanceInfo() {
return ethData.getBalanceInInternalUnits()!=null;
return coinData.getBalanceInInternalUnits()!=null;
}
@Override
@ -243,12 +242,12 @@ public class EthEngine extends CoinEngine {
@Override
public InputFilter[] getAmountInputFilters() {
return new InputFilter[] { new DecimalDigitsInputFilter(18) };
return new InputFilter[] { new DecimalDigitsInputFilter(getDecimals()) };
}
@Override
public boolean checkNewTransactionAmount(Amount amount){
if( ethData==null ) return false;
if( coinData ==null ) return false;
Amount balance=getBalance();
if (balance==null || amount.compareTo(balance) > 0) {
return false;
@ -303,14 +302,14 @@ public class EthEngine extends CoinEngine {
return false;
}
if (!ethData.getUnconfirmedTXCount().equals(ethData.getConfirmedTXCount())) {
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 (ethData.isBalanceReceived()) {
if (coinData.isBalanceReceived()) {
balanceValidator.setScore(100);
balanceValidator.setFirstLine("Verified balance");
balanceValidator.setSecondLine("Balance confirmed in blockchain");
@ -320,7 +319,7 @@ public class EthEngine extends CoinEngine {
}
}
if ((ctx.getCard().getOfflineBalance() != null) && !ethData.isBalanceReceived() && (ctx.getCard().getRemainingSignatures() == ctx.getCard().getMaxSignatures()) && getBalance().notZero()) {
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");
@ -332,8 +331,8 @@ public class EthEngine extends CoinEngine {
@Override
public String evaluateFeeEquivalent(String fee) {
Amount feeValue = new Amount(fee, ctx.getBlockchain());
return getAmountEquivalentDescription(feeValue, ethData.getRate());
Amount feeValue = new Amount(fee, ctx.getBlockchain().getCurrency());
return feeValue.toEquivalentString(coinData.getRate());
}
@Override
@ -360,7 +359,7 @@ public class EthEngine extends CoinEngine {
@Override
public byte[] sign(String feeValue, String amountValue, boolean IncFee, String toValue, CardProtocol protocol) throws Exception {
BigInteger nonceValue = ethData.getConfirmedTXCount();
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();