From a1124e696b6a10ed205fba0ceabc60d8a5d1deeb Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Wed, 11 Jul 2012 02:02:39 +0200
Subject: [PATCH] Verify MAX_BLOCK_SIZE in verifyTransactions().

---
 core/src/main/java/com/google/bitcoin/core/Block.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/src/main/java/com/google/bitcoin/core/Block.java b/core/src/main/java/com/google/bitcoin/core/Block.java
index fd53cd5d..a0140ba1 100644
--- a/core/src/main/java/com/google/bitcoin/core/Block.java
+++ b/core/src/main/java/com/google/bitcoin/core/Block.java
@@ -722,6 +722,8 @@ public class Block extends Message {
         if (transactions.isEmpty())
             throw new VerificationException("Block had no transactions");
         maybeParseTransactions();
+        if (this.getMessageSize() > MAX_BLOCK_SIZE)
+            throw new VerificationException("Block larger than MAX_BLOCK_SIZE");
         checkTransactions();
         checkMerkleRoot();
         checkSigOps();