From 28e3c4b239d10e3bb6d3304ccfde6ad2fed78952 Mon Sep 17 00:00:00 2001
From: Ian Shim <100327837+ian-shim@users.noreply.github.com>
Date: Thu, 14 Mar 2024 20:55:34 -0700
Subject: [PATCH] Fix: division by zero panic in assignment (#340)

---
 core/assignment.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/assignment.go b/core/assignment.go
index e64df17c3a..4aea2c5994 100644
--- a/core/assignment.go
+++ b/core/assignment.go
@@ -105,6 +105,9 @@ func (c *StdAssignmentCoordinator) GetAssignments(state *OperatorState, blobLeng
 
 		gammaChunkLength := big.NewInt(int64(info.ChunkLength) * int64((info.QuorumThreshold - info.AdversaryThreshold)))
 		denom := new(big.Int).Mul(gammaChunkLength, totalStakes)
+		if denom.Cmp(big.NewInt(0)) == 0 {
+			return nil, AssignmentInfo{}, fmt.Errorf("gammaChunkLength %d and total stake in quorum %d must be greater than 0", gammaChunkLength, totalStakes)
+		}
 		m := roundUpDivideBig(num, denom)
 
 		numChunks += uint(m.Uint64())