Add support for newer Dash masternode format

-Automatically detect if using newer or older Dash masternode format and display applicable columns and data
-Added new fields 'ip_address' and 'last_paid_block' to the Masternode collection

lib/database.js

@@ -289,7 +289,7 @@ module.exports = {
         // loop through masternode addresses
         for (m = 0; m < masternodes.length; m++) {
           // check if this is the correct address
-          if (masternodes[m].addr == hash) {
+          if ((masternodes[m].proTxHash != null ? masternodes[m].payee : masternodes[m].addr) == hash) {
             // update the claim name
             masternodes[m]['claim_name'] = claim_name;
             // mark as updated
@@ -1043,14 +1043,30 @@ module.exports = {
     });
   },
 
+  check_masternodes: function(cb) {
+    Masternode.findOne({}, function(err, masternode) {
+      if (masternode) {
+        // collection has data
+        // determine if ip_address field exists
+        check_add_db_field(Masternode, 'ip_address', null, function(exists) {
+          // determine if last_paid_block field exists
+          check_add_db_field(Masternode, 'last_paid_block', null, function(exists) {
+            return cb(true);
+          });
+        });
+      } else
+        return cb(false);
+    });
+  },
+
   // determine if masternode exists and save masternode to collection
   save_masternode: function (raw_masternode, cb) {
     // lookup masternode in local collection
-    module.exports.find_masternode(raw_masternode.txhash, raw_masternode.outidx, function (masternode) {
+    module.exports.find_masternode((raw_masternode.proTxHash != null ? raw_masternode.proTxHash : raw_masternode.txhash), function (masternode) {
       // determine if the claim address feature is enabled
       if (settings.claim_address_page.enabled == true) {
         // claim address is enabled so lookup the address claim name
-        find_address(raw_masternode.addr, false, function(address) {
+        find_address((raw_masternode.proTxHash != null ? raw_masternode.payee : raw_masternode.addr), false, function(address) {
           if (address) {
             // save claim name to masternode obejct
             raw_masternode.claim_name = address.name;
@@ -1075,26 +1091,40 @@ module.exports = {
 
   // add or update a single masternode
   add_update_masternode(masternode, add, cb) {
-    if (!masternode.txhash == null || !masternode.outidx == null) {
-      console.log('Masternode Update - TX or Outidx is missing');
-      console.log(masternode.txhash);
-      console.log(masternode.outidx);
+    if (masternode.proTxHash == null && masternode.txhash == null) {
+      console.log('Masternode Update - TXid is missing');
 
       return cb(false);
     } else {
-      var mn = new Masternode({
-        rank: masternode.rank,
-        network: masternode.network,
-        txhash: masternode.txhash,
-        outidx: masternode.outidx,
-        status: masternode.status,
-        addr: masternode.addr,
-        version: masternode.version,
-        lastseen: masternode.lastseen,
-        activetime: masternode.activetime,
-        lastpaid: masternode.lastpaid,
-        claim_name: (masternode.claim_name == null ? '' : masternode.claim_name)
-      });
+      // Check if this older or newer Dash masternode format
+      if (masternode.proTxHash != null) {
+        // This is the newer Dash format
+        var mn = new Masternode({
+          txhash: masternode.proTxHash,
+          status: masternode.status,
+          addr: masternode.payee,
+          lastpaid: masternode.lastpaidtime,
+          ip_address: masternode.address,
+          last_paid_block: masternode.lastpaidblock,
+          lastseen: Math.floor(Date.now() / 1000),
+          claim_name: (masternode.claim_name == null ? '' : masternode.claim_name)
+        });
+      } else {
+        // This is the older Dash format, or an unknown format
+        var mn = new Masternode({
+          rank: masternode.rank,
+          network: masternode.network,
+          txhash: masternode.txhash,
+          outidx: masternode.outidx,
+          status: masternode.status,
+          addr: masternode.addr,
+          version: masternode.version,
+          lastseen: masternode.lastseen,
+          activetime: masternode.activetime,
+          lastpaid: masternode.lastpaid,
+          claim_name: (masternode.claim_name == null ? '' : masternode.claim_name)
+        });
+      }
 
       if (add) {
         // add new masternode to collection
@@ -1107,7 +1137,7 @@ module.exports = {
         });
       } else {
         // update existing masternode in local collection
-        Masternode.updateOne({ txhash: masternode.txhash, outidx: masternode.outidx }, masternode, function (err) {
+        Masternode.updateOne({ txhash: (masternode.proTxHash != null ? masternode.proTxHash : masternode.txhash) }, masternode, function (err) {
           if (err) {
             console.log(err);
             return cb(false);
@@ -1118,9 +1148,9 @@ module.exports = {
     }
   },
 
-  // find masternode by txid and offset
-  find_masternode: function (txhash, outidx, cb) {
-    Masternode.findOne({ txhash: txhash, outidx: outidx }, function (err, masternode) {
+  // find masternode by txid
+  find_masternode: function (txhash, cb) {
+    Masternode.findOne({ txhash: txhash }, function (err, masternode) {
       if (err)
         return cb(null);
       else {