From 78411f75c19ef2b09dd755aca40a25585623c0ad Mon Sep 17 00:00:00 2001
From: Morty <70688412+yiweichi@users.noreply.github.com>
Date: Thu, 7 Aug 2025 22:42:24 +0800
Subject: [PATCH] fix(GPO): failed to get block receipt during calculating
 suggest price tip (#1233)
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* fix(GPO): failed to get block receipt during calculating suggest priority fee

* chore: auto version bump [bot]

* change debug level

* degrade version

* chore: auto version bump [bot]

* degrade version
---
 eth/gasprice/scroll_gasprice.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/eth/gasprice/scroll_gasprice.go b/eth/gasprice/scroll_gasprice.go
index 2a03ddac02..c6a9d4ff1a 100644
--- a/eth/gasprice/scroll_gasprice.go
+++ b/eth/gasprice/scroll_gasprice.go
@@ -43,7 +43,12 @@ func (oracle *Oracle) calculateSuggestPriorityFee(ctx context.Context, header *t
 	// capacity margin
 	receipts, err := oracle.backend.GetReceipts(ctx, header.Hash())
 	if receipts == nil || err != nil {
-		log.Error("failed to get block receipts", "block number", header.Number, "err", err)
+		log.Debug("failed to get block receipts during calculating suggest priority fee", "block number", header.Number, "err", err)
+		// If the lastIsCongested is true on the cache, return the lastPrice.
+		// We believe it's better to err on the side of returning a higher-than-needed suggestion than a lower-than-needed one.
+		if lastIsCongested {
+			return lastPrice, lastIsCongested
+		}
 		return suggestion, isCongested
 	}
 	var maxTxGasUsed uint64