From 22517e8fe0bbe50cc87abd97569dcf8019df3819 Mon Sep 17 00:00:00 2001
From: Weixie Cui <cuiweixie@gmail.com>
Date: Sun, 12 Apr 2026 14:05:15 +0800
Subject: [PATCH] graph: Round BigInt cache weight up to full bytes

Use ceiling division when converting bit length to bytes so values whose bit width is not a multiple of eight are not undercounted for cache accounting.
---
 graph/src/util/cache_weight.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/graph/src/util/cache_weight.rs b/graph/src/util/cache_weight.rs
index b560906fdc0..479433fd31a 100644
--- a/graph/src/util/cache_weight.rs
+++ b/graph/src/util/cache_weight.rs
@@ -140,7 +140,7 @@ impl CacheWeight for BigDecimal {
 
 impl CacheWeight for BigInt {
     fn indirect_weight(&self) -> usize {
-        self.bits() / 8
+        (self.bits() + 7) / 8
     }
 }