helper methods for working with addresses

src/main/java/com/sparrowwallet/drongo/address/Address.java

@@ -4,18 +4,18 @@ import com.sparrowwallet.drongo.protocol.Base58;
 import com.sparrowwallet.drongo.protocol.Script;
 
 public abstract class Address {
-    protected final byte[] pubKeyHash;
+    protected final byte[] hash;
 
-    public Address(byte[] pubKeyHash) {
+    public Address(byte[] hash) {
-        this.pubKeyHash = pubKeyHash;
+        this.hash = hash;
     }
 
-    public byte[] getPubKeyHash() {
+    public byte[] getHash() {
-        return pubKeyHash;
+        return hash;
     }
 
     public String getAddress() {
-        return Base58.encodeChecked(getVersion(), pubKeyHash);
+        return Base58.encodeChecked(getVersion(), hash);
     }
 
     public String toString() {
@@ -26,6 +26,10 @@ public abstract class Address {
 
     public abstract Script getOutputScript();
 
+    public abstract byte[] getOutputScriptData();
+
+    public abstract String getOutputScriptDataType();
+
     public boolean equals(Object obj) {
         if(!(obj instanceof Address)) {
             return false;
@@ -38,4 +42,9 @@ public abstract class Address {
     public int hashCode() {
         return getAddress().hashCode();
     }
+
+    public String getScriptType() {
+        String className = this.getClass().getSimpleName();
+        return className.replace("Address", "");
+    }
 }

src/main/java/com/sparrowwallet/drongo/address/P2PKAddress.java

@@ -27,4 +27,14 @@ public class P2PKAddress extends Address {
 
         return new Script(chunks);
     }
+
+    @Override
+    public byte[] getOutputScriptData() {
+        return pubKey;
+    }
+
+    @Override
+    public String getOutputScriptDataType() {
+        return "Public Key";
+    }
 }

src/main/java/com/sparrowwallet/drongo/address/P2PKHAddress.java

@@ -20,10 +20,20 @@ public class P2PKHAddress extends Address {
         List<ScriptChunk> chunks = new ArrayList<>();
         chunks.add(new ScriptChunk(ScriptOpCodes.OP_DUP, null));
         chunks.add(new ScriptChunk(ScriptOpCodes.OP_HASH160, null));
-        chunks.add(new ScriptChunk(pubKeyHash.length, pubKeyHash));
+        chunks.add(new ScriptChunk(hash.length, hash));
         chunks.add(new ScriptChunk(ScriptOpCodes.OP_EQUALVERIFY, null));
         chunks.add(new ScriptChunk(ScriptOpCodes.OP_CHECKSIG, null));
 
         return new Script(chunks);
     }
+
+    @Override
+    public byte[] getOutputScriptData() {
+        return hash;
+    }
+
+    @Override
+    public String getOutputScriptDataType() {
+        return "Public Key Hash";
+    }
 }

src/main/java/com/sparrowwallet/drongo/address/P2SHAddress.java

@@ -9,8 +9,8 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class P2SHAddress extends Address {
-    public P2SHAddress(byte[] pubKeyHash) {
+    public P2SHAddress(byte[] scriptHash) {
-        super(pubKeyHash);
+        super(scriptHash);
     }
 
     public int getVersion() {
@@ -20,12 +20,22 @@ public class P2SHAddress extends Address {
     public Script getOutputScript() {
         List<ScriptChunk> chunks = new ArrayList<>();
         chunks.add(new ScriptChunk(ScriptOpCodes.OP_HASH160, null));
-        chunks.add(new ScriptChunk(pubKeyHash.length, pubKeyHash));
+        chunks.add(new ScriptChunk(hash.length, hash));
         chunks.add(new ScriptChunk(ScriptOpCodes.OP_EQUAL, null));
 
         return new Script(chunks);
     }
 
+    @Override
+    public byte[] getOutputScriptData() {
+        return hash;
+    }
+
+    @Override
+    public String getOutputScriptDataType() {
+        return "Script Hash";
+    }
+
     public static P2SHAddress fromProgram(byte[] program) {
         return new P2SHAddress(Utils.sha256hash160(program));
     }

src/main/java/com/sparrowwallet/drongo/address/P2WPKHAddress.java

@@ -19,14 +19,24 @@ public class P2WPKHAddress extends Address {
     }
 
     public String getAddress() {
-        return Bech32.encode(HRP, getVersion(), pubKeyHash);
+        return Bech32.encode(HRP, getVersion(), hash);
     }
 
     public Script getOutputScript() {
         List<ScriptChunk> chunks = new ArrayList<>();
         chunks.add(new ScriptChunk(Script.encodeToOpN(getVersion()), null));
-        chunks.add(new ScriptChunk(pubKeyHash.length, pubKeyHash));
+        chunks.add(new ScriptChunk(hash.length, hash));
 
         return new Script(chunks);
     }
+
+    @Override
+    public byte[] getOutputScriptData() {
+        return hash;
+    }
+
+    @Override
+    public String getOutputScriptDataType() {
+        return "Witness Public Key Hash";
+    }
 }

src/main/java/com/sparrowwallet/drongo/address/P2WSHAddress.java

@@ -8,8 +8,8 @@ import java.util.List;
 import static com.sparrowwallet.drongo.address.P2WPKHAddress.HRP;
 
 public class P2WSHAddress extends Address {
-    public P2WSHAddress(byte[] pubKeyHash) {
+    public P2WSHAddress(byte[] scriptHash) {
-        super(pubKeyHash);
+        super(scriptHash);
     }
 
     public int getVersion() {
@@ -17,17 +17,27 @@ public class P2WSHAddress extends Address {
     }
 
     public String getAddress() {
-        return Bech32.encode(HRP, getVersion(), pubKeyHash);
+        return Bech32.encode(HRP, getVersion(), hash);
     }
 
     public Script getOutputScript() {
         List<ScriptChunk> chunks = new ArrayList<>();
         chunks.add(new ScriptChunk(Script.encodeToOpN(getVersion()), null));
-        chunks.add(new ScriptChunk(pubKeyHash.length, pubKeyHash));
+        chunks.add(new ScriptChunk(hash.length, hash));
 
         return new Script(chunks);
     }
 
+    @Override
+    public byte[] getOutputScriptData() {
+        return hash;
+    }
+
+    @Override
+    public String getOutputScriptDataType() {
+        return "Witness Script Hash";
+    }
+
     public static P2WSHAddress fromProgram(byte[] program) {
         return new P2WSHAddress(Sha256Hash.hash(program));
     }