From 8679a9fc4f0f9f280483b684b077efb28f50c6c7 Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Thu, 28 Aug 2025 19:00:09 +0800
Subject: [PATCH] ethclient: add BlobBaseFee method #31290 (#1395)

---
 ethclient/ethclient.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ethclient/ethclient.go b/ethclient/ethclient.go
index 3d8facac6c..e12c05c552 100644
--- a/ethclient/ethclient.go
+++ b/ethclient/ethclient.go
@@ -604,6 +604,15 @@ func (ec *Client) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
 	return (*big.Int)(&hex), nil
 }
 
+// BlobBaseFee retrieves the current blob base fee.
+func (ec *Client) BlobBaseFee(ctx context.Context) (*big.Int, error) {
+	var hex hexutil.Big
+	if err := ec.c.CallContext(ctx, &hex, "eth_blobBaseFee"); err != nil {
+		return nil, err
+	}
+	return (*big.Int)(&hex), nil
+}
+
 type feeHistoryResultMarshaling struct {
 	OldestBlock  *hexutil.Big     `json:"oldestBlock"`
 	Reward       [][]*hexutil.Big `json:"reward,omitempty"`