From a5ee0fd524be0ffad33e8b86d56bf938382c4e5c Mon Sep 17 00:00:00 2001
From: Def Paf <warren.y.cheng@gmail.com>
Date: Fri, 13 Aug 2021 11:53:02 +0800
Subject: [PATCH] reentrancy guard

---
 contracts/burners/CurveLPBurner.vy | 1 +
 contracts/burners/MUSDBurner.vy    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/contracts/burners/CurveLPBurner.vy b/contracts/burners/CurveLPBurner.vy
index c410b56c..88a91bf7 100644
--- a/contracts/burners/CurveLPBurner.vy
+++ b/contracts/burners/CurveLPBurner.vy
@@ -63,6 +63,7 @@ def __init__(_receiver: address, _recovery: address, _owner: address, _emergency
 
 
 @external
+@nonreentrant("lock")
 def burn(_coin: address) -> bool:
     """
     @notice Convert `_coin` by removing liquidity and send to receiver
diff --git a/contracts/burners/MUSDBurner.vy b/contracts/burners/MUSDBurner.vy
index 5a2ab374..316f54ff 100644
--- a/contracts/burners/MUSDBurner.vy
+++ b/contracts/burners/MUSDBurner.vy
@@ -52,6 +52,7 @@ def __init__(_receiver: address, _recovery: address, _owner: address, _emergency
 
 
 @external
+@nonreentrant("lock")
 def burn(_coin: address) -> bool:
     """
     @notice Convert `_coin` to USDC by withdrawing