From 1d2043e806cb70905619e0b11e5d4a5d73388000 Mon Sep 17 00:00:00 2001
From: lightclient <14004106+lightclient@users.noreply.github.com>
Date: Thu, 27 Feb 2025 00:40:35 -0700
Subject: [PATCH] eth/gasprice: sanity check ratio values (#31270)

Follow on to #31246. Adds a sanity check in the test to make sure the
ratio value never goes over 1. Would have avoided the issue in #31245.
---
 eth/gasprice/feehistory_test.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/eth/gasprice/feehistory_test.go b/eth/gasprice/feehistory_test.go
index 241b91b810..d220027e69 100644
--- a/eth/gasprice/feehistory_test.go
+++ b/eth/gasprice/feehistory_test.go
@@ -84,9 +84,19 @@ func TestFeeHistory(t *testing.T) {
 		if len(ratio) != c.expCount {
 			t.Fatalf("Test case %d: gasUsedRatio array length mismatch, want %d, got %d", i, c.expCount, len(ratio))
 		}
+		for _, ratio := range ratio {
+			if ratio > 1 {
+				t.Fatalf("Test case %d: gasUsedRatio greater than 1, got %f", i, ratio)
+			}
+		}
 		if len(blobRatio) != c.expCount {
 			t.Fatalf("Test case %d: blobGasUsedRatio array length mismatch, want %d, got %d", i, c.expCount, len(blobRatio))
 		}
+		for _, ratio := range blobRatio {
+			if ratio > 1 {
+				t.Fatalf("Test case %d: blobGasUsedRatio greater than 1, got %f", i, ratio)
+			}
+		}
 		if len(blobBaseFee) != len(baseFee) {
 			t.Fatalf("Test case %d: blobBaseFee array length mismatch, want %d, got %d", i, len(baseFee), len(blobBaseFee))
 		}