Namecoin: Generate default label for name transactions.

electrum_nmc/names.py

@@ -95,6 +95,20 @@ def format_name_op(name_op):
         return "\tName Update\n\t\t" + formatted_name + "\n\t\t" + formatted_value
 
 
+def get_default_name_tx_label(tx):
+    for addr, v, name_op in tx.get_outputs():
+        if name_op is not None:
+            # TODO: Handle multiple atomic name ops.
+            # TODO: Include "name" field.
+            if name_op["op"] == OP_NAME_NEW:
+                return "Name Pre-Registration"
+            if name_op["op"] == OP_NAME_FIRSTUPDATE:
+                return "Name Registration"
+            if name_op["op"] == OP_NAME_UPDATE:
+                return "Name Update"
+    return None
+
+
 from .bitcoin import push_script
 from .transaction import match_decoded, opcodes, script_GetOp
 from .util import bh2u

electrum_nmc/wallet.py

@@ -58,6 +58,8 @@
 from .paymentrequest import InvoiceStore
 from .contacts import Contacts
 
+from .names import get_default_name_tx_label
+
 TX_STATUS = [
     _('Unconfirmed'),
     _('Unconfirmed parent'),
@@ -482,6 +484,11 @@ def get_label(self, tx_hash):
         return label
 
     def get_default_label(self, tx_hash):
+        # TODO: what happens if a name would have a non-empty default non-name label?
+        name_label = get_default_name_tx_label(self.transactions.get(tx_hash))
+        if name_label is not None:
+            return name_label
+
         if self.txi.get(tx_hash) == {}:
             d = self.txo.get(tx_hash, {})
             labels = []