From 119956925dd1a1ce5533a563977d11eea260e779 Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Sun, 10 Apr 2022 00:12:05 +0200
Subject: [PATCH] fix: eth_feehistory reward is optional (#1127)

---
 ethers-core/src/types/fee.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ethers-core/src/types/fee.rs b/ethers-core/src/types/fee.rs
index 1152cf01..f05df7e2 100644
--- a/ethers-core/src/types/fee.rs
+++ b/ethers-core/src/types/fee.rs
@@ -14,6 +14,9 @@ pub struct FeeHistory {
     /// The custom deserializer allows backward compatibility for those clients
     /// not running v1.10.7 yet.
     pub oldest_block: U256,
+    /// An (optional) array of effective priority fee per gas data points from a single block. All
+    /// zeroes are returned if the block is empty.
+    #[serde(default)]
     pub reward: Vec<Vec<U256>>,
 }