Claim address updates

-Claimed addresses now replace actual wallet addresses across all pages of the site
-Add new claim_address setting to enable/disable claiming of addresses
-Add ability to un-claim an address by signing a blank message

lib/database.js

@@ -250,13 +250,50 @@ module.exports = {
     return fs.existsSync('./tmp/show_sync_message.tmp');
   },
 
-  update_label: function(hash, message, cb){
-    find_address(hash, false, function(address){
-      if (address){
-        Address.updateOne({a_id:hash}, {
-          name: message,
-        }, function(){
-          return cb();
+  update_label: function(hash, message, cb) {
+    find_address(hash, false, function(address) {
+      if (address) {
+        Address.updateOne({a_id: hash}, {
+          name: message
+        }, function() {
+          // ensure that if this address exists in the richlist that it displays the new alias
+          module.exports.get_richlist(settings.coin, function(richlist) {
+            var updated = false;
+            // loop through received addresses
+            for (r = 0; r < richlist.received.length; r++) {
+              // check if this is the correct address
+              if (richlist.received[r].a_id == hash) {
+                // update the claim name
+                richlist.received[r]['name'] = message;
+                // mark as updated
+                updated = true;
+              }
+            }
+            // loop through balance addresses
+            for (b = 0; b < richlist.balance.length; b++) {
+              // check if this is the correct address
+              if (richlist.balance[b].a_id == hash) {
+                // update the claim name
+                richlist.balance[b]['name'] = message;
+                // mark as updated
+                updated = true;                
+              }
+            }
+            // check if the address was updated in the richlist
+            if (updated) {
+              // save the richlist back to collection
+              Richlist.updateOne({coin: settings.coin}, {
+                received: richlist.received,
+                balance: richlist.balance
+              }, function() {
+                // finished updating the claim label
+                return cb();
+              });
+            } else {
+              // finished updating the claim label
+              return cb();
+            }
+          });
         });
       }
     });
@@ -320,7 +357,8 @@ module.exports = {
       return cb(richlist);
     });
   },
-  //property: 'received' or 'balance'
+
+  // 'list' variable can be either 'received' or 'balance'
   update_richlist: function(list, cb){
     // Create the burn address array so that we omit burned coins from the rich list
     var oBurnAddresses = [];
@@ -330,18 +368,20 @@ module.exports = {
     // always omit the private address from the richlist
     oBurnAddresses.push("private_tx");
 
-    if(list == 'received') {
-      Address.find({a_id: { $nin: oBurnAddresses }}, 'a_id balance received').sort({received: 'desc'}).limit(100).exec(function(err, addresses){
+    if (list == 'received') {
+      // Update 'received' richlist data
+      Address.find({a_id: { $nin: oBurnAddresses }}, 'a_id name balance received').sort({received: 'desc'}).limit(100).exec(function(err, addresses) {
         Richlist.updateOne({coin: settings.coin}, {
-          received: addresses,
+          received: addresses
         }, function() {
           return cb();
         });
       });
-    } else { //balance
-      Address.find({a_id: { $nin: oBurnAddresses }}, 'a_id balance received').sort({balance: 'desc'}).limit(100).exec(function(err, addresses){
+    } else {
+      // Update 'balance' richlist data
+      Address.find({a_id: { $nin: oBurnAddresses }}, 'a_id name balance received').sort({balance: 'desc'}).limit(100).exec(function(err, addresses) {
         Richlist.updateOne({coin: settings.coin}, {
-          balance: addresses,
+          balance: addresses
         }, function() {
           return cb();
         });
@@ -950,5 +990,59 @@ module.exports = {
     });
   },
 
+  populate_claim_address_names: function(tx, cb) {
+    var addresses = [];
+
+    // loop through vin addresses
+    tx.vin.forEach(function (vin) {
+      // check if this address already exists
+      if (addresses.indexOf(vin.addresses) == -1) {
+        // add address to array
+        addresses.push(vin.addresses);
+      }
+    });
+
+    // loop through vout addresses
+    tx.vout.forEach(function (vout) {
+      // check if this address already exists
+      if (addresses.indexOf(vout.addresses) == -1) {
+        // add address to array
+        addresses.push(vout.addresses);
+      }
+    });
+
+    // loop through address array
+    lib.syncLoop(addresses.length, function (loop) {
+      var a = loop.iteration();
+
+      module.exports.get_address(addresses[a], false, function(address) {
+        if (address && address.name != null && address.name != '') {
+          // look for address in vin
+          for (v = 0; v < tx.vin.length; v++) {
+            // check if this is the correct address
+            if (tx.vin[v].addresses == address.a_id) {
+              // add claim name to array
+              tx.vin[v]['claim_name'] = address.name;
+            }
+          }
+
+          // look for address in vout
+          for (v = 0; v < tx.vout.length; v++) {
+            // check if this is the correct address
+            if (tx.vout[v].addresses == address.a_id) {
+              // add claim name to array
+              tx.vout[v]['claim_name'] = address.name;
+            }
+          }
+        }
+
+        loop.next();
+      });
+    }, function() {
+      // return modified tx object
+      return cb(tx);
+    });
+  },
+
   fs: fs
 };