operator: /noannounce flag -- serve miners without publishing pool announcements

Descriptor (38501) still published so miners can resolve the pool;
only the public pool listing event (38503) is suppressed.

(cherry picked from commit 17bbdae1ec97945c37c1d5b2486e5c01a4d7ad87)

4 files changed, 7 insertions, 2 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 32ab952..69d9d30 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -87,6 +87,7 @@ CKey keyUser;
 string strSetDataDir;
 int nDropMessagesTest = 0;
 bool fSoloMineTest = false; // /solomine: mine without requiring a peer (local test)
+bool fPoolNoAnnounce = false; // /noannounce: operator serves miners but never publishes pool announcements
 
 // Settings
 int fGenerateBitcoins;
diff --git a/src/main.h b/src/main.h
index 307cee5..22be3dc 100644
--- a/src/main.h
+++ b/src/main.h
@@ -86,6 +86,7 @@ extern bool   fMineModeFromCommandLine;
 extern string strParticipantPool; // participant: pool .btf address
 extern string strPayoutAddress;   // participant: /payoutaddr override (mine without a wallet)
 extern string strPayoutFile;      // participant: /payoutfile address list, rotated per reconnect
+extern bool   fPoolNoAnnounce;      // /noannounce: suppress pool announcements
 extern int    nHashThreads;       // participant: /hashthreads override (0 = cores-1)
 extern string strPoolName;        // operator: announced pool name
 extern string strPoolDashboardUrl; // operator: optional dashboard URL
diff --git a/src/main_gui.cpp b/src/main_gui.cpp
index d0969b5..b1fe0af 100644
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -250,6 +250,9 @@ static void ParseStartupArguments(int argc, char* argv[])
     if (!poolDash.empty())
         strPoolDashboardUrl = poolDash;
 
+    if (arg(argc,argv,"/noannounce") || arg(argc,argv,"-noannounce"))
+        fPoolNoAnnounce = true;
+
     string poolFee = argval2(argc, argv, "/poolfee", "-poolfee");
     if (!poolFee.empty())
         dPoolFeePercent = atof(poolFee.c_str());
diff --git a/src/nostr.cpp b/src/nostr.cpp
index 6d85bf6..47f001c 100644
--- a/src/nostr.cpp
+++ b/src/nostr.cpp
@@ -1405,7 +1405,7 @@ void ThreadBtfPoolAnnouncer(void*)
     LogPrint("pool", "ThreadBtfPoolAnnouncer started\n");
     while (!fShutdown)
     {
-        if (nMineMode == MINE_OPERATOR && gPoolRunning)
+        if (nMineMode == MINE_OPERATOR && gPoolRunning && !fPoolNoAnnounce)
         {
             BtfPoolAnnouncement ann;
             ann.btfAddress = BtfLocalAddress();
@@ -1763,7 +1763,7 @@ void ThreadNostrSeed(void* parg)
         }
         CATCH_PRINT_EXCEPTION("ConnectDiscoveredBtfPeers")
 
-        if (nMineMode == MINE_OPERATOR && gPoolRunning)
+        if (nMineMode == MINE_OPERATOR && gPoolRunning && !fPoolNoAnnounce)
         {
             BtfPoolAnnouncement ann;
             ann.btfAddress = BtfLocalAddress();