From 8003d7fb6e3c47fb0561121a0ee47d080c8c46b9 Mon Sep 17 00:00:00 2001
From: Larry Ruane <larry@electriccoin.co>
Date: Mon, 4 Sep 2023 14:51:05 -0600
Subject: [PATCH] darksidewallet: GetLightdInfo with no blocks shouldn't crash

Instead, return a reasonable error message. Issue #451.
---
 common/darkside.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/darkside.go b/common/darkside.go
index 5a022ae..1e6e957 100644
--- a/common/darkside.go
+++ b/common/darkside.go
@@ -480,7 +480,8 @@ func darksideRawRequest(method string, params []json.RawMessage) (json.RawMessag
 	switch method {
 	case "getblockchaininfo":
 		if len(state.activeBlocks) == 0 {
-			Log.Fatal("getblockchaininfo: no blocks")
+			return nil, errors.New("GetLightdInfo requires at least one block, " +
+				"please stage and apply one or more blocks.")
 		}
 		index := state.latestHeight - state.startHeight
 		block := parser.NewBlock()