From d15bfa2bd318951c1fffe1cd58ebdb8c1c782e4e Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Tue, 2 Jul 2019 04:58:27 -1100
Subject: [PATCH] Stub messages

---
 src/init.cpp      |  2 +-
 src/komodo_nSPV.h | 73 +++++++++++++++++++++++++++++++++--------------
 src/net.cpp       |  2 +-
 3 files changed, 54 insertions(+), 23 deletions(-)

diff --git a/src/init.cpp b/src/init.cpp
index a31ec56bd..7e131b759 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1067,7 +1067,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
     if ( KOMODO_NSPV != 0 )
     {
         fDisableWallet = true;
-        nLocalServices &= ~NODE_NETWORK;
+        nLocalServices = 0;
     }
     if (!fDisableWallet)
         RegisterWalletRPCCommands(tableRPC);
diff --git a/src/komodo_nSPV.h b/src/komodo_nSPV.h
index 133dcee48..7be895f83 100644
--- a/src/komodo_nSPV.h
+++ b/src/komodo_nSPV.h
@@ -21,37 +21,68 @@
 #ifndef KOMODO_NSPV_H
 #define KOMODO_NSPV_H
 
-void komodo_nSPVreq(CNode *pfrom,std::vector<uint8_t> payload) // received a request
-{
-    
-}
+#define NSPV_INFO 0x00
+#define NSPV_INFORESP 0x01
+#define NSPV_UTXOS 0x02
+#define NSPV_UTXOSRESP 0x03
 
-void komodo_nSPVresp(CNode *pfrom,std::vector<uint8_t> payload) // received a response
-{
-    
-}
 
-/*void komodo_sendnSPV(int32_t minpeers,int32_t maxpeers,const char *message,std::vector<uint8_t> payload)
+void komodo_nSPVreq(CNode *pfrom,std::vector<uint8_t> request) // received a request
 {
-    int32_t numsent = 0;
-    LOCK(cs_vNodes);
-    BOOST_FOREACH(CNode* pnode, vNodes)
+    int32_t len; std::vector<uint8_t> response;
+    if ( (len= request.size()) > 0 )
     {
-        if ( pnode->hSocket == INVALID_SOCKET )
-            continue;
-        if ( numsent < minpeers || (rand() % 10) == 0 )
+        response.resize(1);
+        if ( len == 1 && request[0] == NSPV_INFO ) // info
         {
-            //fprintf(stderr,"pushmessage\n");
-            pnode->PushMessage(message,payload);
-            if ( numsent++ > maxpeers )
+            response[0] = NSPV_INFORESP;
+            pnode->PushMessage("nSPV",response);
+        }
+        else if ( request[0] == NSPV_UTXOS )
+        {
+            response[0] = NSPV_UTXOSRESP;
+            pnode->PushMessage("nSPV",response);
+        }
+    }
+}
+
+void komodo_nSPVresp(CNode *pfrom,std::vector<uint8_t> response) // received a response
+{
+    int32_t len;
+    if ( (len= response.size()) > 0 )
+    {
+        switch ( response[0] )
+        {
+        case NSPV_INFORESP:
+                fprintf(stderr,"got info response\n");
+                break;
+        case NSPV_UTXOSRESP:
+                fprintf(stderr,"got utxos response\n");
+                break;
+        default: fprintf(stderr,"unexpected response %02x size.%d\n",response[0],(int32_t)response.size());
                 break;
         }
     }
-}*/
+}
 
-void komodo_nSPV(CNode *pto) // issue nSPV requests if has nServices
+void komodo_nSPV(CNode *pto)
 {
-    
+    std::vector<uint8_t> request;
+    // limit frequency!
+    if ( (pto->nServices & NODE_ADDRINDEX) != 0 )
+    {
+        // get utxo since lastheight
+        payload.resize(1);
+        payload[0] = NSPV_UTXOS;
+        pnode->PushMessage("getnSPV",request);
+    }
+    else
+    {
+        // query current height, blockhash, notarization info
+        payload.resize(1);
+        payload[0] = NSPV_INFO;
+        pnode->PushMessage("getnSPV",request);
+    }
 }
 
 #endif // KOMODO_NSPV_H
diff --git a/src/net.cpp b/src/net.cpp
index 7181f8a95..1e5f11ee0 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -458,7 +458,7 @@ void CNode::PushVersion()
         LogPrint("net", "send version message: version %d, blocks=%d, us=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), id);
     PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
                 nLocalHostNonce, strSubVersion, nBestHeight, true);
-fprintf(stderr,"PUSH services.%llx\n",(long long)nLocalServices);
+//fprintf(stderr,"PUSH services.%llx\n",(long long)nLocalServices);
 }