From 798354184deef829c15e23af9098ff74a979d5ac Mon Sep 17 00:00:00 2001
From: Oleg Kovalov <oleg@hey.com>
Date: Mon, 9 Sep 2024 16:45:54 +0200
Subject: [PATCH] feat(verify): remove height check in Verify

---
 headertest/verify_test.go | 9 ---------
 verify.go                 | 7 -------
 2 files changed, 16 deletions(-)

diff --git a/headertest/verify_test.go b/headertest/verify_test.go
index 35456991..8d04397f 100644
--- a/headertest/verify_test.go
+++ b/headertest/verify_test.go
@@ -95,15 +95,6 @@ func TestVerify(t *testing.T) {
 			},
 			err: header.ErrKnownHeader,
 		},
-		{
-			trusted: trusted,
-			prepare: func() *DummyHeader {
-				untrusted := next()
-				untrusted.HeightI += 100000
-				return untrusted
-			},
-			err: header.ErrHeightFromFuture,
-		},
 		{
 			trusted: trusted,
 			prepare: func() *DummyHeader {
diff --git a/verify.go b/verify.go
index 72888ef8..a5141ad2 100644
--- a/verify.go
+++ b/verify.go
@@ -75,13 +75,6 @@ func verify[H Header[H]](trstd, untrstd H, heightThreshold uint64) error {
 	if known {
 		return fmt.Errorf("%w: '%d' <= current '%d'", ErrKnownHeader, untrstd.Height(), trstd.Height())
 	}
-	// reject headers with height too far from the future
-	// this is essential for headers failed non-adjacent verification
-	// yet taken as sync target
-	adequateHeight := untrstd.Height()-trstd.Height() < heightThreshold
-	if !adequateHeight {
-		return fmt.Errorf("%w: '%d' - current '%d' >= threshold '%d'", ErrHeightFromFuture, untrstd.Height(), trstd.Height(), heightThreshold)
-	}
 
 	return nil
 }