From 1135a8f7832b886cbf0ee5f0de134976b47dcd20 Mon Sep 17 00:00:00 2001
From: Paul Hauner <paul@paulhauner.com>
Date: Tue, 28 Sep 2021 14:29:10 +1000
Subject: [PATCH] Add terminal_block_hash to ChainSpec

---
 consensus/types/src/chain_spec.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/consensus/types/src/chain_spec.rs b/consensus/types/src/chain_spec.rs
index 69fd38b818..25c73018d7 100644
--- a/consensus/types/src/chain_spec.rs
+++ b/consensus/types/src/chain_spec.rs
@@ -131,6 +131,7 @@ pub struct ChainSpec {
     /// The Merge fork epoch is optional, with `None` representing "Merge never happens".
     pub merge_fork_epoch: Option<Epoch>,
     pub terminal_total_difficulty: Uint256,
+    pub terminal_block_hash: Hash256,
 
     /*
      * Networking
@@ -483,6 +484,7 @@ impl ChainSpec {
             terminal_total_difficulty: Uint256::MAX
                 .checked_sub(Uint256::from(2u64.pow(10)))
                 .expect("calculation does not overflow"),
+            terminal_block_hash: Hash256::zero(),
 
             /*
              * Network specific