From b6cdfb89c60943ad0861ca7b595bb9c03293edb8 Mon Sep 17 00:00:00 2001
From: Maxksim Fomenkov <maksim.fomenkov@p2p.org>
Date: Mon, 5 Sep 2022 16:56:53 +0300
Subject: [PATCH] log failed validation

---
 .../kotlin/io/emeraldpay/dshackle/upstream/AbstractHead.kt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/AbstractHead.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/AbstractHead.kt
index 22964d0c..11e07ec1 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/AbstractHead.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/AbstractHead.kt
@@ -57,7 +57,12 @@ abstract class AbstractHead(
             }
             .subscribeOn(Schedulers.boundedElastic())
             .subscribe { block ->
-                if (blockValidator.isValid(forkChoice.getHead(), block)) {
+                val valid = runCatching {
+                    blockValidator.isValid(forkChoice.getHead(), block)
+                }.onFailure {
+                    log.error("Block ${block.hash} validation failed with '${it.message}'", it)
+                }.getOrElse { false }
+                if (valid) {
                     notifyBeforeBlock()
                     when (val choiceResult = forkChoice.choose(block)) {
                         is ForkChoice.ChoiceResult.Updated -> {