Get credit loop

src/cc/CCMarmara.h

@@ -26,7 +26,7 @@
 
 uint64_t komodo_block_prg(uint32_t nHeight);
 int32_t MarmaraGetcreatetxid(uint256 &createtxid,uint256 txid);
-int32_t MarmaraGetbatontxid(uint256 &batontxid,uint256 txid);
+int32_t MarmaraGetbatontxid(std::vector<uint256> &creditloop,uint256 &batontxid,uint256 txid);
 
 UniValue MarmaraPoolPayout(uint64_t txfee,int32_t firstheight,double perc,char *jsonstr); // [[pk0, shares0], [pk1, shares1], ...]
 UniValue MarmaraReceive(uint64_t txfee,CPubKey senderpk,int64_t amount,std::string currency,int32_t matures,uint256 batontxid);

src/cc/CCinclude.h

@@ -105,15 +105,18 @@ struct oracleprice_info
 #ifdef ENABLE_WALLET
 extern CWallet* pwalletMain;
 #endif
+//extern CCoinsViewCache *pcoinsTip;
 bool GetAddressUnspent(uint160 addressHash, int type,std::vector<std::pair<CAddressUnspentKey,CAddressUnspentValue> > &unspentOutputs);
 CBlockIndex *komodo_getblockindex(uint256 hash);
 int32_t komodo_nextheight();
 
+int32_t CCgetspenttxid(uint256 &spenttxid,int32_t &vini,int32_t &height,uint256 txid,int32_t vout);
+
 static const uint256 zeroid;
 bool myGetTransaction(const uint256 &hash, CTransaction &txOut, uint256 &hashBlock);
 int32_t is_hexstr(char *str,int32_t n);
 bool myAddtomempool(CTransaction &tx, CValidationState *pstate = NULL, bool fSkipExpiry = false);
-//uint64_t myGettxout(uint256 hash,int32_t n);
+int32_t CCgettxout(uint256 txid,int32_t vout,int32_t mempoolflag);
 bool myIsutxo_spentinmempool(uint256 txid,int32_t vout);
 bool mytxid_inmempool(uint256 txid);
 int32_t myIsutxo_spent(uint256 &spenttxid,uint256 txid,int32_t vout);

src/cc/CCtx.cpp

@@ -247,6 +247,40 @@ int64_t CCutxovalue(char *coinaddr,uint256 utxotxid,int32_t utxovout)
     return(0);
 }
 
+int32_t CCgettxout(uint256 txid,int32_t vout,int32_t mempoolflag)
+{
+    CCoins coins;
+    if ( mempoolflag != 0 )
+    {
+        LOCK(mempool.cs);
+        CCoinsViewMemPool view(pcoinsTip, mempool);
+        if (!view.GetCoins(txid, coins))
+            return(-1);
+        if ( myIsutxo_spentinmempool(txid,vout) != 0 )
+            return(-1);
+    }
+    else
+    {
+        if (!pcoinsTip->GetCoins(hash, coins))
+            return(-1);
+    }
+    if ( vout < coins.vout.size() )
+        return(coins.vout[vout].nValue);
+    else return(-1);
+}
+
+int32_t CCgetspenttxid(uint256 &spenttxid,int32_t &vini,int32_t &height,uint256 txid,int32_t vout)
+{
+    CSpentIndexKey key(txid, vout);
+    CSpentIndexValue value;
+    if ( !GetSpentIndex(key, value) )
+        return(-1);
+    spenttxid = value.txid;
+    vini = (int32_t)value.inputIndex;
+    height = value.blockHeight;
+    return(0);
+}
+
 int64_t CCaddress_balance(char *coinaddr)
 {
     int64_t sum = 0; std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> > unspentOutputs;

src/cc/marmara.cpp

@@ -186,13 +186,25 @@ int32_t MarmaraGetcreatetxid(uint256 &createtxid,uint256 txid)
     return(-1);
 }
 
-int32_t MarmaraGetbatontxid(uint256 &batontxid,uint256 txid)
+int32_t MarmaraGetbatontxid(std::vector<uint256> &creditloop,uint256 &batontxid,uint256 txid)
 {
-    uint256 createtxid;
+    uint256 createtxid,spenttxid; int64_t value; int32_t vini,height,vout = 0;
     memset(&batontxid,0,sizeof(batontxid));
     if ( MarmaraGetcreatetxid(createtxid,txid) == 0 )
     {
-        return(0);
+        txid = createtxid;
+        while ( CCgetspenttxid(spenttxid,vini,height,txid,vout) == 0 )
+        {
+            if ( (value= CCgettxout(spenttxid,vout,1)) > 0 )
+            {
+                batontxid = txid;
+                fprintf(stderr,"got baton %s %.8f\n",batontxid.GetHex(),(double)value/COIN);
+                return(0);
+            }
+            creditloop.push_back(spenttxid);
+            fprintf(stderr,"%s\n",spenttxid.GetHex());
+            txid = spenttxid;
+        }
     }
     return(-1);
 }
@@ -456,6 +468,8 @@ UniValue MarmaraIssue(uint64_t txfee,uint8_t funcid,CPubKey receiverpk,int64_t a
     mypk = pubkey2pk(Mypubkey());
     if ( MarmaraGetcreatetxid(createtxid,approvaltxid) < 0 )
         errorstr = (char *)"cant get createtxid from approvaltxid";
+    else if ( batontxid == zeroid )
+        errorstr = (char *)"null batontxid";
     else if ( currency != "MARMARA" )
         errorstr = (char *)"for now, only MARMARA loops are supported";
     else if ( amount < txfee )