core: only cache non-nil receipts from the database (#18447)

receipts may be null for very short time in some condition. For this case, we should not add the null value into cache. Because you will not get the right result if you keep requesting that receipt.

1 files changed, 3 insertions, 0 deletions

diff --git a/core/blockchain.go b/core/blockchain.go
index c719883ee..156efe303 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -644,6 +644,9 @@ func (bc *BlockChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
 		return nil
 	}
 	receipts := rawdb.ReadReceipts(bc.db, hash, *number)
+	if receipts == nil {
+		return nil
+	}
 	bc.receiptsCache.Add(hash, receipts)
 	return receipts
 }