From cafd99cb84c2e384b5633848316e993d21b3a78d Mon Sep 17 00:00:00 2001
From: Maxksim Fomenkov <maksim.fomenkov@p2p.org>
Date: Mon, 5 Sep 2022 16:37:38 +0300
Subject: [PATCH] fix divide by zero error

---
 .../dshackle/upstream/ethereum/EthereumBlockValidator.kt        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumBlockValidator.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumBlockValidator.kt
index 3fc2ea84..54a9413b 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumBlockValidator.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumBlockValidator.kt
@@ -80,7 +80,7 @@ class EthereumBlockValidator : BlockValidator {
 
     private fun validateDifficulty(node: JsonNode, rlpEncoded: Map<String, ByteArray>): Boolean {
         val difficulty = fromHexStringI(node["difficulty"].asText())
-        if (difficulty.signum() < 0) {
+        if (difficulty.signum() <= 0) {
             return false
         }
         val nonce = fromHexStringI(node["nonce"].asText())