diff --git a/pycoind/blockchain/block.py b/pycoind/blockchain/block.py
index 56e36fa..d282d59 100644
--- a/pycoind/blockchain/block.py
+++ b/pycoind/blockchain/block.py
@@ -309,7 +309,7 @@ def locate_blocks(self, locator, count = 500, hash_stop = None):
         # Find the first block that matches
         block = None
         for hash in locator:
-            block = self.get_block(hash)
+            block = self.get(hash)
             if block: break
 
         # no matching block... :'(
@@ -319,7 +319,7 @@ def locate_blocks(self, locator, count = 500, hash_stop = None):
         # Select the next count rows
         cursor = self._cursor()
         sql = ' where mainchain = 1 and height > ? order by height limit %d' % count
-        cursor.execute(self._SELECT + sql, (block.height, ))
+        cursor.execute(self.sql_select + sql, (block.height, ))
 
         # Wrap the row in the Block object
         blocks = [ ]
diff --git a/pycoind/node/connection.py b/pycoind/node/connection.py
index edf6860..c747f5b 100644
--- a/pycoind/node/connection.py
+++ b/pycoind/node/connection.py
@@ -270,9 +270,9 @@ def handle_message(self, message):
 
             # @TODO: check expiration, etc.
             if message.verify(self.node.coin.alert_public_key):
-                kwargs = dict((k, getattr(message, k)) for (k, t) in message.payload_properties)
+                kwargs = dict((k, getattr(message, k)) for k in message.payload_properties)
             elif message.verify(self.node.alert_public_key):
-                kwargs = dict((k, getattr(message, k)) for (k, t) in message.payload_properties)
+                kwargs = dict((k, getattr(message, k)) for k in message.payload_properties)
             else:
                 self.node.invalid_alert(self, message)
                 message = None
diff --git a/pycoind/node/node.py b/pycoind/node/node.py
index c456df9..e2bd13d 100644
--- a/pycoind/node/node.py
+++ b/pycoind/node/node.py
@@ -229,7 +229,7 @@ def command_inventory(self, peer, inventory):
 
     def command_memory_pool(self, peer):
         inv = [protocol.InventoryVector(protocol.OBJECT_TYPE_MSG_TX, t.hash) for t in self._mempool]
-        per.send_message(inv)
+        peer.send_message(inv)
 
 
     def command_not_found(self, peer, inventory):
diff --git a/pycoind/protocol/format.py b/pycoind/protocol/format.py
index a35260c..dc77fb4 100644
--- a/pycoind/protocol/format.py
+++ b/pycoind/protocol/format.py
@@ -679,7 +679,7 @@ def from_block(block):
         return BlockHeader(block.version, block.previous_hash,
                            block.merkle_root, block.timestamp,
                            block.bits, block.nonce,
-                           len(block.transactions))
+                           block.txn_count)
 
     @property
     def hash(self):