From f3c9ebd9a535e7b76df72b873d69d342cbecb33d Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Sun, 18 May 2014 11:31:32 -0500
Subject: [PATCH] framer: fix block framing.

Signed-off-by: Fedor Indutny <fedor@indutny.com>
---
 lib/bcoin/protocol/framer.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/bcoin/protocol/framer.js b/lib/bcoin/protocol/framer.js
index c183f2f1..55ae74de 100644
--- a/lib/bcoin/protocol/framer.js
+++ b/lib/bcoin/protocol/framer.js
@@ -257,32 +257,41 @@ Framer.block = function _block(block, type) {
   var p = [];
   var off = 0;
 
+  // version
+  assert.equal(off, 0);
   off += writeU32(p, constants.version, off);
 
   // prev_block
+  assert.equal(off, 4);
   utils.toArray(block.prevBlock, 'hex').forEach(function(ch) {
     p[off++] = ch;
   });
 
   // merkle_root
+  assert.equal(off, 36);
   utils.toArray(block.merkleRoot, 'hex').forEach(function(ch) {
     p[off++] = ch;
   });
 
   // timestamp
+  assert.equal(off, 68);
   off += writeU32(p, block.ts, off);
 
   // bits
+  assert.equal(off, 72);
   off += writeU32(p, block.bits, off);
 
   // nonce
+  assert.equal(off, 76);
   off += writeU32(p, block.nonce, off);
 
-  // txn_count
-  off += varint(p, block.totalTX, off);
+  // txn_count (spec says this is a varint for some reason)
+  assert.equal(off, 80);
+  off += writeU32(p, block.totalTX, off);
 
   if (type === 'merkleblock') {
     // hash count
+    assert.equal(off, 84);
     off += varint(p, block.hashes.length, off);
     // hashes
     block.hashes.forEach(function(hash) {