From 9c6f4326ab2faeb54db49e0f92ecb3440eab8d34 Mon Sep 17 00:00:00 2001
From: Elias Van Ootegem <elias@vega.xyz>
Date: Thu, 12 Sep 2024 13:36:54 +0100
Subject: [PATCH] fix: check for nil values before dereferencing

Signed-off-by: Elias Van Ootegem <elias@vega.xyz>
---
 datanode/service/party_stats.go | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/datanode/service/party_stats.go b/datanode/service/party_stats.go
index 733d159147..63c7a56ad8 100644
--- a/datanode/service/party_stats.go
+++ b/datanode/service/party_stats.go
@@ -133,7 +133,9 @@ func (s *PSvc) GetPartyStats(ctx context.Context, partyID string, markets []stri
 		if err := addRefFeeFactors(&pfFactors, refStats[0]); err != nil {
 			return nil, err
 		}
-		data.ReferralDiscountTier = *tier.TierNumber
+		if tier != nil {
+			data.ReferralDiscountTier = *tier.TierNumber
+		}
 	}
 	// 2. volume discount stats.
 	vdStats, _, err := s.vds.Stats(ctx, &lastE, &partyID, entities.DefaultCursorPagination(true))
@@ -148,7 +150,9 @@ func (s *PSvc) GetPartyStats(ctx context.Context, partyID string, markets []stri
 		if err := addVolFeeFactors(&pfFactors, vdStats[0]); err != nil {
 			return nil, err
 		}
-		data.VolumeDiscountTier = *tier.TierNumber
+		if tier != nil {
+			data.VolumeDiscountTier = *tier.TierNumber
+		}
 	}
 	// 3. Volume Rebate stats.
 	vrStats, _, err := s.vrs.Stats(ctx, &lastE, &partyID, entities.DefaultCursorPagination(true))
@@ -165,7 +169,9 @@ func (s *PSvc) GetPartyStats(ctx context.Context, partyID string, markets []stri
 			return nil, err
 		}
 		pfFactors.rebate = rebate
-		data.VolumeRebateTier = *tier.TierNumber
+		if tier != nil {
+			data.VolumeRebateTier = *tier.TierNumber
+		}
 	}
 	for _, mkt := range mkts {
 		// @TODO ensure non-nil slice!