Merge pull request #808 from chrisrico/master

Trezor plugin fixes

plugins/trezor.py

@@ -262,6 +262,10 @@ class TrezorWallet(NewWallet):
 
         for txinput in tx.inputs:
             txinputtype = types.TxInputType()
+            if ('is_coinbase' in txinput and txinput['is_coinbase']):
+                prev_hash = "\0"*32
+                prev_index = 0xffffffff # signed int -1
+            else:
                 address = txinput['address']
                 try:
                     address_path = self.address_id(address)
@@ -269,10 +273,6 @@ class TrezorWallet(NewWallet):
                     txinputtype.address_n.extend(address_n)
                 except: pass
 
-            if ('is_coinbase' in txinput and txinput['is_coinbase']):
-                prev_hash = "\0"*32
-                prev_index = 0xffffffff # signed int -1
-            else:
                 prev_hash = unhexlify(txinput['prevout_hash'])
                 prev_index = txinput['prevout_n']