#7746 jwtfile path correction

src/Nethermind/Nethermind.JsonRpc/JsonRpcConfig.cs

@@ -39,7 +39,7 @@ public int WebSocketsPort
         public long? MaxRequestBodySize { get; set; } = 30000000;
         public int MaxLogsPerResponse { get; set; } = 20_000;
         public int? EthModuleConcurrentInstances { get; set; } = null;
-        public string JwtSecretFile { get; set; } = "keystore/jwt-secret";
+        public string JwtSecretFile { get; set; } = null;
         public bool UnsecureDevNoRpcAuthentication { get; set; }
         public int? MaxLoggedRequestParametersCharacters { get; set; } = null;
         public string[]? MethodsLoggingFiltering { get; set; } =

src/Nethermind/Nethermind.Runner/Ethereum/Steps/StartRpc.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System.Linq;
+using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using Nethermind.Api;
@@ -14,6 +15,7 @@
 using Nethermind.Logging;
 using Nethermind.Runner.JsonRpc;
 using Nethermind.Serialization.Json;
+using Nethermind.KeyStore.Config;
 
 namespace Nethermind.Runner.Ethereum.Steps
 {
@@ -30,6 +32,14 @@ public StartRpc(INethermindApi api)
         public async Task Execute(CancellationToken cancellationToken)
         {
             IJsonRpcConfig jsonRpcConfig = _api.Config<IJsonRpcConfig>();
+            IKeyStoreConfig keyStoreConfig = _api.Config<IKeyStoreConfig>();
+
+            // Update the JWT secret path based on the data directory.
+            if (string.IsNullOrEmpty(jsonRpcConfig.JwtSecretFile))
+            {
+                jsonRpcConfig.JwtSecretFile = Path.Combine(keyStoreConfig.KeyStoreDirectory, "jwt-secret");
+            }
+
             ILogger logger = _api.LogManager.GetClassLogger();
 
             if (jsonRpcConfig.Enabled)