Implement NSPV_getnotarization_txid

src/komodo_nSPV.h

@@ -351,21 +351,20 @@ void NSPV_spentinfo_purge(struct NSPV_spentinfo *ptr)
 // on fullnode:
 // NSPV_get... functions need to return the exact serialized length, which is the size of the structure minus size of pointers, plus size of allocated data
 
+#include "notarisationdb.h"
+
 uint256 NSPV_getnotarization_txid(int32_t *ntzheightp,int32_t height)
 {
-    uint256 ntztxid;
+    uint256 txid; Notarisation nota; char *symbol = (ASSETCHAINS_SYMBOL[0] == 0) ? "KMD" : ASSETCHAINS_SYMBOL;
-    if ( ntzheightp == 0 ) // search consecutive blocks
+    memset(&txid,0,sizeof(txid));
+    *ntzheightp = 0;
+    int32_t matchedHeight = ScanNotarisationsDB(height,symbol,1440,nota);
+    if ( matchedHeight != 0 )
     {
-        *ntzheightp = height + 1;
+        *ntzheightp = matchedHeight;
-        // iterate
+        txid = nota.first;
     }
-    else
+    return(txid);
-    {
-        // check *ntzheightp
-    }
-    // find notarization for height, return its txid and set *ntzheightp
-    fprintf(stderr,"implement NSPV_getnotarization_txid\n");
-    return(ntztxid);
 }
 
 int32_t NSPV_getinfo(struct NSPV_inforesp *ptr)

src/notarisationdb.cpp

@@ -135,3 +135,30 @@ int ScanNotarisationsDB(int height, std::string symbol, int scanLimitBlocks, Not
     }
     return 0;
 }
+
+int ScanNotarisationsDB2(int height, std::string symbol, int scanLimitBlocks, Notarisation& out)
+{
+    int32_t i,maxheight,ht;
+    maxheight = chainActive.Height();
+    if ( height < 0 || height > maxheight )
+        return false;
+    for (i=0; i<scanLimitBlocks; i++)
+    {
+        ht = height+i;
+        if ( ht > maxheight )
+            break;
+        NotarisationsInBlock notarisations;
+        uint256 blockHash = *chainActive[ht]->phashBlock;
+        if ( !GetBlockNotarisations(blockHash,notarisations) )
+            continue;
+        BOOST_FOREACH(Notarisation& nota,notarisations)
+        {
+            if ( strcmp(nota.second.symbol,symbol.data()) == 0 )
+            {
+                out = nota;
+                return(ht);
+            }
+        }
+    }
+    return 0;
+}

src/notarisationdb.h

@@ -24,6 +24,7 @@ bool GetBackNotarisation(uint256 notarisationHash, Notarisation &n);
 void WriteBackNotarisations(const NotarisationsInBlock notarisations, CDBBatch &batch);
 void EraseBackNotarisations(const NotarisationsInBlock notarisations, CDBBatch &batch);
 int ScanNotarisationsDB(int height, std::string symbol, int scanLimitBlocks, Notarisation& out);
+int ScanNotarisationsDB2(int height, std::string symbol, int scanLimitBlocks, Notarisation& out);
 bool IsTXSCL(const char* symbol);
 
 #endif  /* NOTARISATIONDB_H */