Guard against initial failure

tatumio · Apr 11, 2023 · d2671b4 · d2671b4
1 parent c9b656b
commit d2671b4
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Showing 2 changed files with 31 additions and 5 deletions.
diff --git a/Tatum.Examples/Rpc/Examples/RpcGetBlockCount.cs b/Tatum.Examples/Rpc/Examples/RpcGetBlockCount.cs
@@ -1,8 +1,5 @@
-using System;
 using System.Text.Json.Serialization;
 using System.Threading.Tasks;
-using Tatum.Core.Models;
-using Tatum.Rpc;
 using Tatum.Rpc.Models;
 using Xunit;
 
@@ -46,6 +43,24 @@ public async Task GetBlockCount_Example_Typed()
         Assert.True(result.Value.Result > 0);
     }
 
+    [Fact]
+    public async Task GetBlockCount_Example_WithParams()
+    {
+        var tatumSdk = await TatumSdk.InitAsync(config => config.EnableDebugMode = true);
+
+        var rpcCall = new JsonRpcCall
+        {
+            Id = "1",
+            JsonRpc = "2.0",
+            Method = "eth_getBlockByNumber",
+            Params = new object[] {"latest", true}
+        };
+
+        var result = await tatumSdk.Rpc.Ethereum.Call(rpcCall);
+
+        Assert.True(result.Success);
+    }
+
     private class StatusResponse
     {
         [JsonPropertyName("result")] public int Result { get; set; }

diff --git a/Tatum.Rpc/TatumRpcChain.cs b/Tatum.Rpc/TatumRpcChain.cs
@@ -82,13 +82,24 @@ public async Task<Result<T>> Call<T>(JsonRpcCall request)
             }
             catch
             {
-                if (_nodes.Count == 0) 
-                    throw;
+                if (_nodes.Count == 0)
+                {
+                    if (_initialised)
+                    {
+                        throw;
+                    }
+
+                    await InitialiseInternal();
+                    _initialised = true;
+                    return await Call<T>(request);
+                }
 
                 _nodes.Remove(_activeNode);
 
                 if (_nodes.Count == 0)
+                {
                     throw new TatumOpenRpcException($"All nodes for {_chain} are down");
+                }
 
                 _activeNode = _nodes.Min;