wip add jd protocol message flow diagram

plebhash · Oct 26, 2024 · 86f990d · 86f990d
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diff --git a/06-Job-Declaration-Protocol.md b/06-Job-Declaration-Protocol.md
@@ -154,3 +154,19 @@ xxx todo xxx
 | nonce                                   | U32       | Nonce leading to the hash being submitted                                                               |
 | ntime                                   | U32       | The nTime field in the block header.                                                                    |
 | nbits                                   | U32       | Block header field                                                                                      |
+
+## 6.4 Job Declaration Protocol Message Flow
+
+xxx todo xxx
+
+The `SetupConnection` and `SetupConnection.Success` messages are omitted for simplicity.
+
+Nevertheless, it should be noted that:
+- Downstream connects to JDC while setting the `protocol` field of `SetupConnection` to `0` (Mining Protocol). 
+- JDC connects to JDS while setting the `protocol` field of `SetupConnection` to `1` (Job Declaration Protocol).
+- JDC connects to TP while setting the `protocol` field of `SetupConnection` to `2` (Template Distribution Protocol).
+- JDC connects to Pool while:
+  - setting the `protocol` field of `SetupConnection` to `0` (Mining Protocol). 
+  - setting the `REQUIRES_WORK_SELECTION` bit flag of `SetupConnection`.
+
+![](./img/jd_message_flow.png)