From 0322ae145105c726585587d383275b4046acb08b Mon Sep 17 00:00:00 2001
From: Mark Spanbroek <mark@spanbroek.net>
Date: Tue, 27 Jun 2023 14:56:45 +0200
Subject: [PATCH] Ignore errors while polling

---
 ethers/providers/jsonrpc/subscriptions.nim | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ethers/providers/jsonrpc/subscriptions.nim b/ethers/providers/jsonrpc/subscriptions.nim
index c0e92c2..b13fb96 100644
--- a/ethers/providers/jsonrpc/subscriptions.nim
+++ b/ethers/providers/jsonrpc/subscriptions.nim
@@ -105,8 +105,14 @@ proc new*(_: type JsonRpcSubscriptions,
 
   let subscriptions = PollingSubscriptions(client: client)
 
+  proc getChanges(id: JsonNode): Future[JsonNode] {.async.} =
+    try:
+      return await subscriptions.client.eth_getFilterChanges(id)
+    except CatchableError:
+      return newJArray()
+
   proc poll(id: JsonNode) {.async.} =
-    for change in await subscriptions.client.eth_getFilterChanges(id):
+    for change in await getChanges(id):
       if callback =? subscriptions.getCallback(id):
         callback(id, change)