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Updated on 2026-08-14

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Tangem 2018-11-01 11:23:59 +03:00
parent 240b513303
commit 47d731ffe2
9 changed files with 87 additions and 46 deletions
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45
app/src/main/java/com/tangem/domain/wallet/CoinEngine.java
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@ -5,7 +5,11 @@ import android.text.InputFilter;
import com.tangem.domain.cardReader.CardProtocol;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
@ -42,6 +46,11 @@ public abstract class CoinEngine {
this.currency=currency;
}
public InternalAmount(BigInteger amount, String currency) {
super(new BigDecimal(amount).unscaledValue(), new BigDecimal(amount).scale());
this.currency=currency;
}
public boolean notZero()
{
return compareTo(BigDecimal.ZERO)>0;
@ -54,6 +63,32 @@ public abstract class CoinEngine {
public String getCurrency() {
return currency;
}
public String toValueString(int decimals) {
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);
}
public String toValueString() {
return toValueString(scale());
}
@Override
public String toString() {
return super.toString();
}
}
public static class Amount extends BigDecimal {
@ -94,6 +129,10 @@ public abstract class CoinEngine {
}
public String toDescriptionString(int decimals) {
return toValueString(decimals)+ " " + currency;
}
public String toValueString(int decimals) {
DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.US);
symbols.setDecimalSeparator('.');
DecimalFormat df = new DecimalFormat();
@ -106,11 +145,11 @@ public abstract class CoinEngine {
BigDecimal bd=new BigDecimal(unscaledValue(), scale());
bd.setScale(decimals, ROUND_DOWN);
return df.format(bd)+ " " + currency;
return df.format(bd);
}
public String toEditString() {
return super.toString();
public String toValueString() {
return toValueString(scale());
}
public String toEquivalentString(double rateValue) {