From d379e3f605351cd21d0feab63077cb300298ca6e Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Thu, 12 Jan 2023 11:31:21 +0100
Subject: [PATCH] ethclient/gethclient: ensure getProof keys parameter is not
 null (#26409)

Other clients do not accept a parameter value of null for this array.
---
 ethclient/gethclient/gethclient.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ethclient/gethclient/gethclient.go b/ethclient/gethclient/gethclient.go
index 8211ee75ae..fdcfb9a0ac 100644
--- a/ethclient/gethclient/gethclient.go
+++ b/ethclient/gethclient/gethclient.go
@@ -96,6 +96,11 @@ func (ec *Client) GetProof(ctx context.Context, account common.Address, keys []s
 		StorageProof []storageResult `json:"storageProof"`
 	}
 
+	// Avoid keys being 'null'.
+	if keys == nil {
+		keys = []string{}
+	}
+
 	var res accountResult
 	err := ec.c.CallContext(ctx, &res, "eth_getProof", account, keys, toBlockNumArg(blockNumber))
 	// Turn hexutils back to normal datatypes