diff --git a/app/models.py b/app/models.py
index 437220a..eaa95ae 100644
--- a/app/models.py
+++ b/app/models.py
@@ -228,21 +228,20 @@ class Service(db.Model):
     pid = db.Column(db.Integer, primary_key=True) #PK
     user_id = db.Column(db.Integer, db.ForeignKey('users.pid')) #FK
     date_created = db.Column(db.DateTime, index=True, default=datetime.utcnow)
-    date_expire = db.Column(db.DateTime)
+    date_last_charge = db.Column(db.DateTime)
+    period = db.Column(db.Integer)
     enabled = db.Column(db.Boolean)
 
-    name = db.Column(db.String(64))
-    image = db.Column(db.String(128))
+    category = db.Column(db.String(64))
     description = db.Column(db.Unicode(128))
-    unit = db.Column(db.Integer)
-    unitprice = db.Column(db.Float)
+    price = db.Column(db.Float)
 
 class Deployment(db.Model):
     __tablename__ = 'deployments'
     pid = db.Column(db.Integer, primary_key=True)
     user_id = db.Column(db.Integer, db.ForeignKey('users.pid')) #FK
     date_created = db.Column(db.DateTime, index=True, default=datetime.utcnow)
-    date_expire = db.Column(db.DateTime)
+    date_last_charge = db.Column(db.DateTime)
     enabled = db.Column(db.Boolean)
 
     machine_id = db.Column(db.BigInteger) #cubeid
@@ -293,21 +292,28 @@ class Address(db.Model):
     deploy_id = db.Column(db.Integer, db.ForeignKey('deployments.pid')) #FK
 
     ip = db.Column(db.String(64))
+    mac = db.Column(db.String(128))
     rdns = db.Column(db.String(256))
-    macaddr = db.Column(db.String(128))
     reserved = db.Column(db.Boolean, default=False) #this ip SHOULD NOT be listed as available to assign even if its not currently owned by anyone
 
     def __init__(self):
-        if self.macaddr is None:
-            self.macaddr = self.genmac()
+        if self.mac is None:
+            self.mac = self.genmac()
 
     def genmac(self):
-        alladdr = Address.query.all()
-        
-        mac = [ random.randint(0, 255) for x in range(0, 6) ]
-        mac[0] = (mac[0] & 0xfc) | 0x02
-        mac = ''.join([ '{0:02x}'.format(x) for x in mac ])
-        return mac
+        addr = Address.query.all()
+        allmacs = []
+        for addr in alladdr:
+            allmacs.expand(str(addr.mac))
+        while True:
+           mac = [ random.randint(0, 255) for x in range(0, 6) ]
+           mac[0] = (mac[0] & 0xfc) | 0x02
+           mac = ''.join([ '{0:02x}'.format(x) for x in mac ])
+           if mac in allmacs:
+               current_app.logger.warning('mac address {} is in the pool. regenerating...'.format(mac))
+               continue
+           else:
+               return mac
 
 class Domain(db.Model):
     __tablename__ = 'domains'
diff --git a/app/templates/admin/index.html b/app/templates/admin/index.html
index 8877936..ef60b2d 100644
--- a/app/templates/admin/index.html
+++ b/app/templates/admin/index.html
@@ -83,7 +83,7 @@
     <tr>
      <td>{{ address.ip }}</td>
      <td>{{ address.rdns }}</td>
-     <td>{{ address.macaddr }}</td>
+     <td>{{ address.mac }}</td>
      <td><a href="{{ url_for('admin.dashboard', user_pid=address.user_id) }}">{{ address.owner.email }}</a></td>
     {% endfor %}
     </tr>
diff --git a/app/templates/vmanager/dashboard.html b/app/templates/vmanager/dashboard.html
index a1260a2..cff971c 100644
--- a/app/templates/vmanager/dashboard.html
+++ b/app/templates/vmanager/dashboard.html
@@ -205,7 +205,7 @@ addEventListener("DOMContentLoaded", function() {
     {% for address in inv_addresses %}
     <tr>
      <td data-title="IP">{{ address.ip }}</td>
-     <td data-title="MAC">{{ address.macaddr }}</td>
+     <td data-title="MAC">{{ address.mac }}</td>
      <td data-title="RDNS">{{ address.rdns }}</td>
      <td data-title="Control">soon...</td>
     {% endfor %}