From e248a49d00c80a7ca75ea3b2720900784ab16e41 Mon Sep 17 00:00:00 2001
From: Termina1 <terminal2010@gmail.com>
Date: Wed, 20 Aug 2025 17:41:04 +0300
Subject: [PATCH] fix ronin liveness

---
 .../dshackle/upstream/ethereum/HeadLivenessValidatorImpl.kt    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/HeadLivenessValidatorImpl.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/HeadLivenessValidatorImpl.kt
index d31bb182..e98138ae 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/HeadLivenessValidatorImpl.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/HeadLivenessValidatorImpl.kt
@@ -27,7 +27,8 @@ class HeadLivenessValidatorImpl(
         val headLiveness = head.headLiveness()
         // first we have moving window of 2 blocks and check that they are consecutive ones
         val headFlux = head.getFlux().map { it.height }.buffer(2, 1).map {
-            it.last() - it.first() == 1L
+            // sometimes we can get there the same block, in this case it will be reorg
+            it.last() - it.first() <= 1L
         }.scan(Pair(0, true)) { acc, value ->
             // then we accumulate consecutive true events, false resets counter
             if (value) {