From b66600338e0057baa6964328bdf337a905aa5ff9 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Sat, 11 Nov 2017 11:05:52 -0500
Subject: Add comment

---
 src/order_watcher/order_state_watcher.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/order_watcher/order_state_watcher.ts b/src/order_watcher/order_state_watcher.ts
index dfa830402..4866f8409 100644
--- a/src/order_watcher/order_state_watcher.ts
+++ b/src/order_watcher/order_state_watcher.ts
@@ -117,6 +117,8 @@ export class OrderStateWatcher {
         if (!isLogDecoded) {
             return; // noop
         }
+        // Unfortunately blockNumber is returned as a hex-encoded string, so we
+        // convert it to a number here.
         const blockNumberBuff = ethUtil.toBuffer(maybeDecodedLog.blockNumber);
         const blockNumber = ethUtil.bufferToInt(blockNumberBuff);
 
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