From 53942cced492138174638a8087b08f643a8d41ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BF=97=E5=AE=87?= <hello@evanlinjin.me>
Date: Fri, 5 Apr 2024 15:59:09 +0800
Subject: [PATCH] chore(chain)!: rm `From<LocalChain> for BTreeMap<u32,
 BlockHash>`

I don't think this was ever used. The only possible usecase I can think
of is for tests, but I don't think that is a strong enough incentive for
us to keep this.
---
 crates/chain/src/local_chain.rs | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/crates/chain/src/local_chain.rs b/crates/chain/src/local_chain.rs
index cd1b1de42..100a9662c 100644
--- a/crates/chain/src/local_chain.rs
+++ b/crates/chain/src/local_chain.rs
@@ -246,17 +246,6 @@ pub struct LocalChain {
     tip: CheckPoint,
 }
 
-// TODO: Figure out whether we can get rid of this
-impl From<LocalChain> for BTreeMap<u32, BlockHash> {
-    fn from(value: LocalChain) -> Self {
-        value
-            .tip
-            .iter()
-            .map(|cp| (cp.height(), cp.hash()))
-            .collect()
-    }
-}
-
 impl ChainOracle for LocalChain {
     type Error = Infallible;