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Updated on 2026-08-14

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Tangem 2018-10-31 11:17:34 +03:00
parent e122ccd0eb
commit 240b513303
15 changed files with 327 additions and 318 deletions
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49
app/src/main/java/com/tangem/domain/wallet/CoinEngine.java
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@ -5,13 +5,13 @@ import android.text.InputFilter;
import com.tangem.domain.cardReader.CardProtocol;
import org.jetbrains.annotations.Nullable;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
/**
* Created by Ilia on 15.02.2018.
@ -19,9 +19,6 @@ import java.text.DecimalFormat;
public abstract class CoinEngine {
@Nullable
public static final String EXTRA_ENGINE = "CoinEngine";
public static class InternalAmount extends BigDecimal {
private String currency;
@ -31,7 +28,7 @@ public abstract class CoinEngine {
}
public InternalAmount(String amountString, String currency) {
super(amountString);
super(amountString.replace(',','.'));
this.currency=currency;
}
@ -68,7 +65,7 @@ public abstract class CoinEngine {
}
public Amount(String amountString, String currency) {
super(amountString);
super(amountString.replace(',','.'));
this.currency = currency;
}
@ -97,9 +94,19 @@ public abstract class CoinEngine {
}
public String toDescriptionString(int decimals) {
String pattern = "#0.#######################################"; // If you like 4 zeros
DecimalFormat myFormatter = new DecimalFormat(pattern.substring(0,3+decimals));
return myFormatter.format(this) + " " + currency;
DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.US);
symbols.setDecimalSeparator('.');
DecimalFormat df = new DecimalFormat();
df.setDecimalFormatSymbols(symbols);
df.setMaximumFractionDigits(decimals);
df.setMinimumFractionDigits(0);
df.setGroupingUsed(false);
BigDecimal bd=new BigDecimal(unscaledValue(), scale());
bd.setScale(decimals, ROUND_DOWN);
return df.format(bd)+ " " + currency;
}
public String toEditString() {
@ -138,18 +145,15 @@ public abstract class CoinEngine {
public abstract boolean isBalanceNotZero();
public abstract boolean isBalanceAlterNotZero();
public abstract byte[] sign(Amount feeValue, Amount amountValue, boolean IncFee, String targetAddress, CardProtocol protocol) throws Exception;
public abstract byte[] sign(String feeValue, String amountValue, boolean IncFee, String toValue, CardProtocol protocol) throws Exception;
public abstract boolean checkUnspentTransaction() throws Exception;
// TODO - change isExtractPossible to isExtractPossible and if not - return string message
public abstract boolean isExtractPossible();
public abstract Uri getShareWalletUriExplorer();
public abstract Uri getShareWalletUri();
// public abstract Long getBalanceLong(TangemCard card);
public abstract boolean checkNewTransactionAmount(Amount amount);
// TODO - move minFeeInInternalUnits to CoinData
@ -161,7 +165,7 @@ public abstract class CoinEngine {
public abstract String getBalanceHTML();
public abstract String getBalanceCurrencyHTML();
public abstract String getBalanceCurrency();
public abstract InputFilter[] getAmountInputFilters();
@ -169,18 +173,12 @@ public abstract class CoinEngine {
public abstract String evaluateFeeEquivalent(String fee);
public abstract String getFeeCurrencyHTML();
public abstract String getFeeCurrency();
public abstract boolean isNeedCheckNode();
public abstract String getBalanceEquivalent();
// public abstract String getBalanceValue(TangemCard card);
// public abstract String getAmountDescription(TangemCard card, String amount) throws Exception;
// public abstract String getAmountEquivalentDescriptor(TangemCard card, String value);
public abstract boolean validateAddress(String address);
public abstract String calculateAddress(byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException;
@ -193,9 +191,6 @@ public abstract class CoinEngine {
public abstract byte[] convertToByteArray(InternalAmount internalAmount) throws Exception;
// public abstract CoinEngine swithToBaseEngine();
public abstract CoinData createCoinData();
public abstract String getUnspentInputsDescription();