Updated on 2026-08-14

app/src/main/java/com/tangem/wallet/btc/BtcData.java

@@ -0,0 +1,134 @@
+package com.tangem.wallet.btc;
+
+import android.os.Bundle;
+import android.util.Log;
+
+import com.tangem.wallet.CoinData;
+import com.tangem.wallet.CoinEngine;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BtcData extends CoinData {
+    public BtcData() {
+        super();
+    }
+
+    private Long balanceConfirmed, balanceUnconfirmed;
+
+    public String getUnspentInputsDescription() {
+        try {
+            int gatheredUnspents = 0;
+            if( unspentTransactions==null ) return "";
+            for (int i = 0; i < unspentTransactions.size(); i++) {
+                if (unspentTransactions.get(i).Raw != null && unspentTransactions.get(i).Raw.length() > 1) gatheredUnspents++;
+            }
+            return String.valueOf(unspentTransactions.size()) + " unspents (" + String.valueOf(gatheredUnspents) + " received)";
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+            return "";
+        }
+    }
+
+    public static class UnspentTransaction {
+        public String txID;
+        public Long Amount;
+        public Integer Height;
+        public String Raw = "";
+
+        public Bundle getAsBundle() {
+            Bundle B = new Bundle();
+            B.putString("txID", txID);
+            B.putLong("Amount", Amount);
+            B.putInt("Height", Height);
+            B.putString("Raw", Raw);
+            return B;
+        }
+
+        public void loadFromBundle(Bundle B) {
+            txID = B.getString("txID");
+            Amount = B.getLong("Amount");
+            Height = B.getInt("Height");
+            Raw = B.getString("Raw");
+        }
+    }
+
+    private List<UnspentTransaction> unspentTransactions = null;
+
+    public List<UnspentTransaction> getUnspentTransactions() {
+        if (unspentTransactions == null) unspentTransactions = new ArrayList<>();
+        return unspentTransactions;
+    }
+
+    @Override
+    public void loadFromBundle(Bundle B) {
+        super.loadFromBundle(B);
+
+        if (B.containsKey("BalanceConfirmed")) balanceConfirmed = B.getLong("BalanceConfirmed");
+        else balanceConfirmed = null;
+        if (B.containsKey("BalanceUnconfirmed"))
+            balanceUnconfirmed = B.getLong("BalanceUnconfirmed");
+        else balanceUnconfirmed = null;
+        if (B.containsKey("UnspentTransactions")) {
+            unspentTransactions = new ArrayList<>();
+            Bundle BB = B.getBundle("UnspentTransactions");
+            Integer i = 0;
+            while (BB.containsKey(i.toString())) {
+                UnspentTransaction t = new UnspentTransaction();
+                t.loadFromBundle(BB.getBundle(i.toString()));
+                unspentTransactions.add(t);
+                i++;
+            }
+        }
+    }
+
+    @Override
+    public void saveToBundle(Bundle B) {
+        super.saveToBundle(B);
+        try {
+            if (unspentTransactions != null) {
+                Bundle BB = new Bundle();
+                for (Integer i = 0; i < unspentTransactions.size(); i++) {
+                    BB.putBundle(i.toString(), unspentTransactions.get(i).getAsBundle());
+                }
+                B.putBundle("UnspentTransactions", BB);
+            }
+            if (balanceConfirmed != null) B.putLong("BalanceConfirmed", balanceConfirmed);
+            if (balanceUnconfirmed != null) B.putLong("BalanceUnconfirmed", balanceUnconfirmed);
+        } catch (Exception e) {
+            Log.e("Can't save to bundle ", e.getMessage());
+        }
+    }
+
+    @Override
+    public void clearInfo() {
+        super.clearInfo();
+        balanceConfirmed = null;
+        balanceUnconfirmed = null;
+        unspentTransactions = null;
+    }
+
+    public CoinEngine.InternalAmount getBalanceInInternalUnits() {
+        return new CoinEngine.InternalAmount(BigDecimal.valueOf(balanceConfirmed).add(BigDecimal.valueOf(balanceUnconfirmed)),"Satoshi");
+    }
+
+    public Long getBalanceUnconfirmed() {
+        return balanceUnconfirmed;
+    }
+
+    public void setBalanceConfirmed(Long balance) {
+        this.balanceConfirmed = balance;
+    }
+
+    public void setBalanceUnconfirmed(Long balance) {
+        this.balanceUnconfirmed = balance;
+    }
+
+    public boolean hasBalanceInfo() {
+        return balanceConfirmed != null || balanceUnconfirmed != null;
+    }
+
+}