Merging Henry's code

src/main/java/com/luminiasoft/bitshares/BIP39.java

@@ -0,0 +1,28 @@
+package com.luminiasoft.bitshares;
+
+import java.util.Arrays;
+import java.util.Base64;
+import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.HDKeyDerivation;
+import org.bitcoinj.crypto.MnemonicCode;
+
+/**
+ *
+ * @author hvarona
+ */
+public class BIP39 {
+
+    private ECKey mPrivateKey;
+
+    public BIP39(String words, String passphrase) {
+
+        byte[] seed = MnemonicCode.toSeed(Arrays.asList(words.split(" ")), passphrase);
+        mPrivateKey = HDKeyDerivation.createMasterPrivateKey(seed);
+
+    }
+
+    public String getPublicKey() {
+        return Base64.getEncoder().encodeToString(mPrivateKey.getPubKey());
+    }
+
+}

src/main/java/com/luminiasoft/bitshares/BrainKey.java

@@ -5,6 +5,7 @@ import org.bitcoinj.core.ECKey;
 import java.io.UnsupportedEncodingException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
 
 /**
  * Created by nelson on 11/19/16.
@@ -27,4 +28,8 @@ public class BrainKey {
             System.out.println("UnsupportedEncodingException. Msg: " + e.getMessage());
         }
     }
+
+    public String getPublicKey() {
+        return Base64.getEncoder().encodeToString(mPrivateKey.getPubKey());
+    }
 }

src/main/java/com/luminiasoft/bitshares/Main.java

@@ -7,6 +7,7 @@ import java.io.IOException;
 public class Main {
     // Brain key from Nelson's app referencing the bilthon-83 account
     public static final String BRAIN_KEY = "PUMPER ISOTOME SERE STAINER CLINGER MOONLIT CHAETA UPBRIM AEDILIC BERTHER NIT SHAP SAID SHADING JUNCOUS CHOUGH";
+    public static final String BIP39_KEY = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about";
 
     // WIF from Nelson's app referencing the bilthon-83 account
     public static final String WIF = "5J96pne45qWM1WpektoeazN6k9Mt93jQ7LyueRxFfEMTiy6yxjM";
@@ -60,5 +61,6 @@ public class Main {
 //        test.testRandomNumberGeneration();
 
         test.testBrainKeyOperations();
+        test.testBip39Opertion();
     }
 }

src/main/java/com/luminiasoft/bitshares/Test.java

@@ -26,6 +26,7 @@ import java.util.*;
  * Created by nelson on 11/9/16.
  */
 public class Test {
+
     public static final String WITNESS_URL = "ws://api.devling.xyz:8088";
     private Transaction transaction;
 
@@ -33,7 +34,6 @@ public class Test {
         return transaction;
     }
 
-
     private WitnessResponseListener mListener = new WitnessResponseListener() {
 
         @Override
@@ -115,9 +115,10 @@ public class Test {
                     }
                 }
             }
-            if (recId == -1)
+            if (recId == -1) {
                 throw new RuntimeException("Could not construct a recoverable key. This should never happen.");
             }
+        }
         int headerByte = recId + 27 + (sk.isCompressed() ? 4 : 0);
         byte[] sigData = new byte[65];  // 1 header + 32 bytes for R + 32 bytes for S
         sigData[0] = (byte) headerByte;
@@ -207,7 +208,8 @@ public class Test {
                 }
                 if (baseResponse.id == 2) {
                     String payload = String.format(getDynamicParameters, 3);
-                    Type ApiIdResponse = new TypeToken<WitnessResponse<Integer>>() {}.getType();
+                    Type ApiIdResponse = new TypeToken<WitnessResponse<Integer>>() {
+                    }.getType();
                     WitnessResponse<Integer> witnessResponse = gson.fromJson(response, ApiIdResponse);
                     networkBroadcastApiId = witnessResponse.result.intValue();
                     System.out.println(">>");
@@ -328,7 +330,8 @@ public class Test {
     public void testNetworkBroadcastDeserialization() {
         String response = "{\"id\":2,\"result\":2}";
         Gson gson = new Gson();
-        Type ApiIdResponse = new TypeToken<WitnessResponse<Integer>>() {}.getType();
+        Type ApiIdResponse = new TypeToken<WitnessResponse<Integer>>() {
+        }.getType();
         WitnessResponse<Integer> witnessResponse = gson.fromJson(response, ApiIdResponse);
     }
 
@@ -340,7 +343,8 @@ public class Test {
 
     public void testRequiredFeesResponse() {
         String response = "{\"id\":1,\"result\":[{\"amount\":264174,\"asset_id\":\"1.3.0\"}]}";
-        Type AccountLookupResponse = new TypeToken<WitnessResponse<List<AssetAmount>>>() {}.getType();
+        Type AccountLookupResponse = new TypeToken<WitnessResponse<List<AssetAmount>>>() {
+        }.getType();
         GsonBuilder gsonBuilder = new GsonBuilder();
         gsonBuilder.registerTypeAdapter(AssetAmount.class, new AssetAmount.AssetDeserializer());
         WitnessResponse<List<AssetAmount>> witnessResponse = gsonBuilder.create().fromJson(response, AccountLookupResponse);
@@ -395,7 +399,8 @@ public class Test {
 
     public void testAccountLookupDeserialization() {
         String response = "{\"id\":1,\"result\":[[\"ken\",\"1.2.3111\"],[\"ken-1\",\"1.2.101491\"],[\"ken-k\",\"1.2.108646\"]]}";
-        Type AccountLookupResponse = new TypeToken<WitnessResponse<List<List<String>>>>() {}.getType();
+        Type AccountLookupResponse = new TypeToken<WitnessResponse<List<List<String>>>>() {
+        }.getType();
         Gson gson = new Gson();
         WitnessResponse<List<List<String>>> witnessResponse = gson.fromJson(response, AccountLookupResponse);
         for (int i = 0; i < witnessResponse.result.size(); i++) {
@@ -469,11 +474,9 @@ public class Test {
 
         generator.addSeedMaterial(seed);
 
-        for (int i = 0; i != 1000000; i++)
-        {
+        for (int i = 0; i != 1000000; i++) {
             generator.nextBytes(output);
-            for (int j = 0; j != output.length; j++)
-            {
+            for (int j = 0; j != output.length; j++) {
                 averages[j] += output[j] & 0xff;
                 ands[j] &= output[j];
                 xors[j] ^= output[j];
@@ -499,11 +502,15 @@ public class Test {
     }
 
     /**
-     * The final purpose of this test is to convert the plain brainkey at Main.BRAIN_KEY
-     * into the WIF at Main.WIF
+     * The final purpose of this test is to convert the plain brainkey at
+     * Main.BRAIN_KEY into the WIF at Main.WIF
      */
     public void testBrainKeyOperations() {
         BrainKey brainKey = new BrainKey(Main.BRAIN_KEY, 0);
     }
 
+    public void testBip39Opertion() {
+        BIP39 bip39 = new BIP39(Main.BIP39_KEY, "");
+    }
+
 }