From 2d1b7c5b32921595ad87523032ca730af2634fd9 Mon Sep 17 00:00:00 2001
From: Lawrence Forman <lawrence@0xproject.com>
Date: Thu, 29 Aug 2019 05:35:06 -0400
Subject: [PATCH] `@0x/contracts-staking`: Emit `CobbDouglasAlphaChanged` event
 when calling `setCobbDouglasAlpha()`.

---
 contracts/staking/contracts/src/fees/MixinExchangeFees.sol | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contracts/staking/contracts/src/fees/MixinExchangeFees.sol b/contracts/staking/contracts/src/fees/MixinExchangeFees.sol
index 7ca1f7988e..f2e6153829 100644
--- a/contracts/staking/contracts/src/fees/MixinExchangeFees.sol
+++ b/contracts/staking/contracts/src/fees/MixinExchangeFees.sol
@@ -77,6 +77,7 @@ contract MixinExchangeFees is
         }
         cobbDouglasAlphaNumerator = numerator;
         cobbDouglasAlphaDenomintor = denominator;
+        emit CobbDouglasAlphaChanged(numerator, denominator);
     }
 
     /// @dev Pays a protocol fee in ETH.