From 3d0d238d6a83227cfa667cee5c77c8392c9651ff Mon Sep 17 00:00:00 2001
From: Aaron <76254323+huichiaotsou@users.noreply.github.com>
Date: Mon, 19 Sep 2022 20:52:22 +0800
Subject: [PATCH] revert: revert "return 0 height inside GetLastBlockHeight if
 there are no blocks" (#78)

## Description

fix #76
I forgot to remove this section of codes lol

## Checklist
- [ ] Targeted PR against correct branch.
- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Wrote unit tests.
- [ ] Re-reviewed `Files changed` in the Github PR explorer.
---
 database/postgresql/postgresql.go | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/database/postgresql/postgresql.go b/database/postgresql/postgresql.go
index 0b8f4fa8..6bf51c83 100644
--- a/database/postgresql/postgresql.go
+++ b/database/postgresql/postgresql.go
@@ -105,10 +105,6 @@ func (db *Database) GetLastBlockHeight() (int64, error) {
 		return 0, fmt.Errorf("error while getting last block height, error: %s", err)
 	}
 
-	if height == 0 {
-		return 0, fmt.Errorf("cannot get block height, no blocks saved")
-	}
-
 	return height, nil
 }