From 426015aa75d50e763065e15d5c629f3ef80a9f05 Mon Sep 17 00:00:00 2001
From: blackjok3r <blackjok3r@gmail.com>
Date: Thu, 25 Oct 2018 01:09:19 +0800
Subject: [PATCH] WOW! it works

---
 src/rpcblockchain.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
index f3f483b5b..adaed6b2e 100644
--- a/src/rpcblockchain.cpp
+++ b/src/rpcblockchain.cpp
@@ -321,7 +321,7 @@ UniValue getdatafromblock(const UniValue& params, bool fHelp)
     return chainActive.Height();
     */
     UniValue result(UniValue::VOBJ);
-    unsigned int firstseqid,lastseqid,i,did1;
+    signed int firstseqid,lastseqid,i,did1;
     static std::string streamid,firsttxid;
     std::string blockdata;
     fprintf(stderr, "number of tx in block: %ld\n", block.vtx.size());
@@ -332,9 +332,9 @@ UniValue getdatafromblock(const UniValue& params, bool fHelp)
             // ignore first and last TX and any TX that does not have 3 vouts.
             if ( (i == 0) || (i == (block.vtx.size() -1)) || (tx.vout.size() != 3) )
             {
-              fprintf(stderr, "skipped tx number: %u \n",i);
+              fprintf(stderr, "skipped tx number: %d \n",i);
             } else {
-              fprintf(stderr, "added tx number: %u \n",i);
+              fprintf(stderr, "added tx number: %d \n",i);
               std::string opretstr = HexStr(tx.vout[2].scriptPubKey.begin(), tx.vout[2].scriptPubKey.end());
               if ( opretstr.size() > 81 ) {
                   std::string idstr = opretstr.substr (8,64);     // stream ID or txid
@@ -346,7 +346,8 @@ UniValue getdatafromblock(const UniValue& params, bool fHelp)
                   ss >> seqid;
                   if ( seqid == 1 ) {
                       streamid = idstr;
-                      printf("streamid: %s\n",streamid.c_str());
+                  } else if ( seqid == 2 ) {
+                      firsttxid = idstr;
                   }
                   if ( seqid == (lastseqid + 1 )) {
                       blockdata.append(data);
@@ -354,7 +355,6 @@ UniValue getdatafromblock(const UniValue& params, bool fHelp)
                   if ( did1 == 0 ) {
                       firstseqid = seqid;
                       did1 = 1;
-                      printf("DID 1 first seqid = %u\n", firstseqid);
                   }
                   lastseqid = seqid;
               }
@@ -364,6 +364,7 @@ UniValue getdatafromblock(const UniValue& params, bool fHelp)
             i = i + 1;
         }
         result.push_back(Pair("streamid", streamid));
+        result.push_back(Pair("firsttxid", firsttxid));
         result.push_back(Pair("firstseqid", (int)firstseqid));
         result.push_back(Pair("lastseqid", (int)lastseqid));
         result.push_back(Pair("data", blockdata));