From 63c7ae9a890987498cca8be2715f7512913567a0 Mon Sep 17 00:00:00 2001
From: Toby Dimmick <tobydimmick@pm.me>
Date: Mon, 7 Oct 2019 11:04:41 +0100
Subject: [PATCH] ServiceTransactionChecker::refresh_cache: allow registrar
 unavailable (#11126)

Return `Ok(false)` instead of `Err(...)`. Fixes regression from PR #11110.
---
 miner/src/service_transaction_checker.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/miner/src/service_transaction_checker.rs b/miner/src/service_transaction_checker.rs
index 107c891ce..d0343d6e2 100644
--- a/miner/src/service_transaction_checker.rs
+++ b/miner/src/service_transaction_checker.rs
@@ -93,6 +93,10 @@ impl ServiceTransactionChecker {
 		// since it's not recent it won't be used anyway.
 		let cache = mem::replace(&mut *self.certified_addresses_cache.write(), HashMap::default());
 
+		if client.registrar_address().is_none() {
+			return Ok(false);
+		}
+
 		let contract_address_fetch = client.get_address(
 			SERVICE_TRANSACTION_CONTRACT_REGISTRY_NAME,
 			BlockId::Latest