From e8196b3c8278d0e8752465e4da91352b4c5dd82f Mon Sep 17 00:00:00 2001
From: Ben Bierens <39762930+benbierens@users.noreply.github.com>
Date: Tue, 20 Feb 2024 16:25:23 +0100
Subject: [PATCH] Adds isSyncing to provider (#62)

---
 ethers/provider.nim                                  | 3 +++
 ethers/providers/jsonrpc.nim                         | 4 ++++
 testmodule/providers/jsonrpc/testJsonRpcProvider.nim | 5 +++++
 3 files changed, 12 insertions(+)

diff --git a/ethers/provider.nim b/ethers/provider.nim
index 1bf2363..068439c 100644
--- a/ethers/provider.nim
+++ b/ethers/provider.nim
@@ -182,6 +182,9 @@ method unsubscribe*(
 
   doAssert false, "not implemented"
 
+method isSyncing*(provider: Provider): Future[bool] {.base, async.} =
+  doAssert false, "not implemented"
+
 proc replay*(
   provider: Provider,
   tx: Transaction,
diff --git a/ethers/providers/jsonrpc.nim b/ethers/providers/jsonrpc.nim
index 729bec5..95cca3f 100644
--- a/ethers/providers/jsonrpc.nim
+++ b/ethers/providers/jsonrpc.nim
@@ -268,6 +268,10 @@ method unsubscribe*(
     let id = subscription.id
     await subscriptions.unsubscribe(id)
 
+method isSyncing*(provider: JsonRpcProvider): Future[bool] {.async.} =
+  let response = await provider.send("eth_syncing")
+  return response.getBool()
+
 method close*(
   provider: JsonRpcProvider) {.async: (raises:[ProviderError]).} =
 
diff --git a/testmodule/providers/jsonrpc/testJsonRpcProvider.nim b/testmodule/providers/jsonrpc/testJsonRpcProvider.nim
index ccfc5e7..ec4fb8c 100644
--- a/testmodule/providers/jsonrpc/testJsonRpcProvider.nim
+++ b/testmodule/providers/jsonrpc/testJsonRpcProvider.nim
@@ -98,3 +98,8 @@ for url in ["ws://localhost:8545", "http://localhost:8545"]:
         discard await provider.subscribe(proc(_: Block) = discard)
       expect JsonRpcSignerError:
         discard await provider.getSigner().sendTransaction(Transaction.example)
+
+    test "syncing":
+      let isSyncing = await provider.isSyncing()
+      check not isSyncing
+