added firmware version to mining pool subscribe msg

src/stratum.cpp

@@ -8,6 +8,7 @@
 #include "esp_log.h"
 #include "lwip/sockets.h"
 #include "utils.h"
+#include "version.h"
 
 
 
@@ -54,7 +55,8 @@ bool tx_mining_subscribe(WiFiClient& client, mining_subscribe& mSubscribe)
     
     // Subscribe
     id = 1; //Initialize id messages
-    sprintf(payload, "{\"id\": %u, \"method\": \"mining.subscribe\", \"params\": [\"NerdMinerV2\"]}\n", id);
+
+    sprintf(payload, "{\"id\": %lu, \"method\": \"mining.subscribe\", \"params\": [\"NerdMinerV2/%s\"]}\n", id, CURRENT_VERSION);
     
     Serial.printf("[WORKER] ==> Mining subscribe\n");
     Serial.print("  Sending  : "); Serial.println(payload);