cmd allows textual bip32 paths with prime derivation

Implemented PassphraseRequest

cmd.py

@@ -85,26 +85,28 @@ class Commands(object):
         pass
  
     def get_address(self, args):
-        return self.client.get_address(args.n)
+        address_n = self.client.expand_path(args.n)
+        return self.client.get_address(args.coin, address_n)
     
     def get_entropy(self, args):
         return binascii.hexlify(self.client.get_entropy(args.size))
 
     def get_features(self, args):
-        return pb2json(self.client.features)
+        return self.client.features
+
+    def list_coins(self, args):
+        return [ coin.coin_name for coin in self.client.features.coins ]
 
     def ping(self, args):
         return self.client.ping(args.msg)
 
     def get_public_node(self, args):
-        return self.client.get_public_node(args.n)
+        address_n = self.client.expand_path(args.n)
+        return self.client.get_public_node(address_n)
     
     def set_label(self, args):
         return self.client.apply_settings(label=args.label)
 
-    def set_coin(self, args):
-        return self.client.apply_settings(coin_shortcut=args.coin_shortcut)
-
     def load_device(self, args):
         if not args.mnemonic and not args.xprv:
             raise Exception("Please provide mnemonic or xprv")
@@ -120,7 +122,7 @@ class Commands(object):
         return self.client.reset_device(True, args.strength, args.passphrase, args.pin, args.label)
 
     def sign_message(self, args):
-        return self.client.sign_message(args.n, args.message)
+        return pb2json(self.client.sign_message(args.n, args.message), {'message': args.message})
 
     def verify_message(self, args):
         return self.client.verify_message(args.address, args.signature, args.message)
@@ -142,7 +144,7 @@ class Commands(object):
     get_features.help = 'Retrieve device features and settings'
     get_public_node.help = 'Get public node of given path'
     set_label.help = 'Set new wallet label'
-    set_coin.help = 'Switch device to another crypto currency'
+    list_coins.help = 'List all supported coin types by the device'
     load_device.help = 'Load custom configuration to the device'
     reset_device.help = 'Perform factory reset of the device and generate new seed'
     sign_message.help = 'Sign message using address of given path'
@@ -150,7 +152,9 @@ class Commands(object):
     firmware_update.help = 'Upload new firmware to device (must be in bootloader mode)'
 
     get_address.arguments = (
-        (('n',), {'metavar': 'N', 'type': int, 'nargs': '+'}),
+        (('-c', '--coin'), {'type': str, 'default': 'Bitcoin'}),
+        # (('n',), {'metavar': 'N', 'type': int, 'nargs': '+'}),
+        (('-n', '-address'), {'type': str}),
     )
     
     get_entropy.arguments = (
@@ -159,6 +163,8 @@ class Commands(object):
 
     get_features.arguments = ()
 
+    list_coins.arguments = ()
+
     ping.arguments = (
         (('msg',), {'type': str}),
     )
@@ -167,10 +173,6 @@ class Commands(object):
         (('label',), {'type': str}),
     )
 
-    set_coin.arguments = (
-        (('coin_shortcut',), {'type': str}),
-    )
-
     load_device.arguments = (
         (('-m', '--mnemonic'), {'type': str, 'nargs': '+'}),
         (('-x', '--xprv'), {'type': str}),
@@ -198,7 +200,7 @@ class Commands(object):
     )
 
     get_public_node.arguments = (
-        (('n',), {'metavar': 'N', 'type': int, 'nargs': '+'}),
+        (('-n', '-address'), {'type': str}),
     )
 
     firmware_update.arguments = (

trezorlib/client.py

@@ -19,6 +19,9 @@ def show_input(input_text, message=None):
 def pin_func(input_text, message=None):
     return show_input(input_text, message)
 
+def passphrase_func(input_text):
+    return show_input(input_text)
+
 class CallException(Exception):
     pass
 
@@ -30,13 +33,14 @@ PRIME_DERIVATION_FLAG = 0x80000000
 class TrezorClient(object):
     
     def __init__(self, transport, debuglink=None, 
-                 message_func=show_message, input_func=show_input, pin_func=pin_func, debug=False):
+                 message_func=show_message, input_func=show_input, pin_func=pin_func, passphrase_func=passphrase_func, debug=False):
         self.transport = transport
         self.debuglink = debuglink
         
         self.message_func = message_func
         self.input_func = input_func
         self.pin_func = pin_func
+        self.passphrase_func = passphrase_func
         self.debug = debug
         
         self.setup_debuglink()
@@ -49,6 +53,26 @@ class TrezorClient(object):
         # Convert minus signs to uint32 with flag
         return [ int(abs(x) | PRIME_DERIVATION_FLAG) if x < 0 else x for x in n ]
         
+    def expand_path(self, n):
+        # Convert string of bip32 path to list of uint32 integers with prime flags
+        # 0/-1/1' -> [0, 0x80000001, 0x80000001]
+        n = n.split('/')
+        path = []
+        for x in n:
+            prime = False
+            if '\'' in x:
+                x = x.replace('\'', '')
+                prime = True
+            if '-' in x:
+                prime = True
+                
+            if prime:
+                path.append(abs(int(x)) | PRIME_DERIVATION_FLAG)
+            else:
+                path.append(abs(int(x)))
+
+        return path
+
     def init_device(self):
         self.features = self.call(proto.Initialize())
 
@@ -58,12 +82,10 @@ class TrezorClient(object):
             self.debuglink.transport.close()
 
     def get_public_node(self, n):
-        n = self._convert_prime(n)
         return self.call(proto.GetPublicKey(address_n=n)).node
         
-    def get_address(self, n):
-        n = self._convert_prime(n)
-        return self.call(proto.GetAddress(address_n=n)).address
+    def get_address(self, coin_name, n):
+        return self.call(proto.GetAddress(address_n=n, coin_name=coin_name)).address
         
     def get_entropy(self, size):
         return self.call(proto.GetEntropy(size=size)).entropy
@@ -129,6 +151,11 @@ class TrezorClient(object):
                     
                 return self.call(msg2)
             
+            if isinstance(resp, proto.PassphraseRequest):
+                passphrase = self.passphrase_func("Passphrase required: ")
+                msg2 = proto.PassphraseAck(passphrase=passphrase)
+                return self.call(msg2)
+
         finally:
             self.transport.session_end()