From d13725466ed2fbb6f327183a822441c5ce139b13 Mon Sep 17 00:00:00 2001
From: KirillPamPam <kirill.mai308@gmail.com>
Date: Fri, 22 Nov 2024 14:31:14 +0400
Subject: [PATCH] Add arb sync response (#596)

---
 .../dshackle/upstream/ethereum/EthereumChainSpecific.kt      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumChainSpecific.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumChainSpecific.kt
index d0badf349..e165dc6a4 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumChainSpecific.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumChainSpecific.kt
@@ -126,8 +126,11 @@ object EthereumChainSpecific : AbstractPollChainSpecific() {
                         } else {
                             UpstreamAvailability.OK
                         }
+                    } else if (raw.get("batchProcessed") != null && raw.get("batchSeen") != null && raw.get("syncTargetMsgCount") != null) {
+                        // arbitrum nitro may return a complex syncing response that means a node is not synced
+                        UpstreamAvailability.SYNCING
                     } else {
-                        log.error("Received unknown syncing object ${raw.toPrettyString()} for upstream ${upstream.getId()}")
+                        log.error("Received unknown syncing object {} for upstream {}", raw.toPrettyString(), upstream.getId())
                         UpstreamAvailability.OK
                     }
                 }.also {