Test importing first 100K of blocks.

core/src/main/java/com/google/bitcoin/utils/BlockFileLoader.java

@@ -45,7 +45,7 @@ import java.util.NoSuchElementException;
  * &nbsp;&nbsp;try { chain.add(block); } catch (Exception e) { }<br>
  * }</p>
  */
-public class BlockFileLoader implements Iterator<Block> {
+public class BlockFileLoader implements Iterable<Block>, Iterator<Block> {
     /**
      * Gets the list of files which contain blocks from the Satoshi client.
      */
@@ -164,4 +164,9 @@ public class BlockFileLoader implements Iterator<Block> {
     public void remove() throws UnsupportedOperationException {
         throw new UnsupportedOperationException();
     }
+
+    @Override
+    public Iterator<Block> iterator() {
+        return this;
+    }
 }

core/src/test/java/com/google/bitcoin/core/FullPrunedBlockChainTest.java

@@ -19,8 +19,10 @@ package com.google.bitcoin.core;
 
 import com.google.bitcoin.core.Transaction.SigHash;
 import com.google.bitcoin.script.Script;
+import com.google.bitcoin.store.BlockStoreException;
 import com.google.bitcoin.store.FullPrunedBlockStore;
 import com.google.bitcoin.store.MemoryFullPrunedBlockStore;
+import com.google.bitcoin.utils.BlockFileLoader;
 import com.google.bitcoin.utils.BriefLogFormatter;
 import org.junit.After;
 import org.junit.Before;
@@ -29,9 +31,10 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.IOException;
 import java.lang.ref.WeakReference;
-import java.util.List;
+import java.util.Arrays;
 
 import static org.junit.Assert.*;
 
@@ -175,4 +178,16 @@ public class FullPrunedBlockChainTest {
             throw new RuntimeException(e);  // Cannot happen.
         }
     }
+    
+    @Test
+    public void testFirst100KBlocks() throws BlockStoreException, VerificationException, PrunedException {
+        NetworkParameters params = NetworkParameters.prodNet();
+        File blockFile = new File(getClass().getResource("first-100k-blocks.dat").getFile());
+        BlockFileLoader loader = new BlockFileLoader(params, Arrays.asList(new File[] {blockFile}));
+        
+        store = new MemoryFullPrunedBlockStore(params, 10);
+        chain = new FullPrunedBlockChain(params, store);
+        for (Block block : loader)
+            chain.add(block);
+    }
 }