From 153bc002912fe146cf6c5864793121837466f6b4 Mon Sep 17 00:00:00 2001
From: 0xripleys <105607696+0xripleys@users.noreply.github.com>
Date: Mon, 10 Apr 2023 12:10:31 -0700
Subject: [PATCH] div by zero fix (#138)

* div by zero fix

* fmt

* use cur slot instead of 0
---
 token-lending/sdk/src/state/rate_limiter.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/token-lending/sdk/src/state/rate_limiter.rs b/token-lending/sdk/src/state/rate_limiter.rs
index fc345daf515..d075e514b79 100644
--- a/token-lending/sdk/src/state/rate_limiter.rs
+++ b/token-lending/sdk/src/state/rate_limiter.rs
@@ -49,7 +49,12 @@ impl Default for RateLimiterConfig {
 impl RateLimiter {
     /// initialize rate limiter
     pub fn new(config: RateLimiterConfig, cur_slot: u64) -> Self {
-        let slot_start = cur_slot / config.window_duration * config.window_duration;
+        let slot_start = if config.window_duration != 0 {
+            cur_slot / config.window_duration * config.window_duration
+        } else {
+            cur_slot
+        };
+
         Self {
             config,
             prev_qty: Decimal::zero(),