trezorlib: Add nem_get_address

trezorctl

@@ -671,6 +671,16 @@ def ethereum_sign_tx(client, host, chain_id, address, value, gas_limit, gas_pric
         return 'Signed raw transaction: %s' % tx_hex
 
 
+@cli.command(help='Get NEM address for specified path.')
+@click.option('-n', '--address', required=True, help="BIP-32 path, e.g. m/44'/0'/43'/0/0")
+@click.option('-N', '--network', type=int, default=0x68)
+@click.option('-d', '--show-display', is_flag=True)
+@click.pass_obj
+def nem_get_address(client, address, network, show_display):
+    address_n = client.expand_path(address)
+    return client.nem_get_address(address_n, network, show_display)
+
+
 @cli.command(help='Sign (and optionally broadcast) NEM transaction')
 @click.option('-n', '--address', help='BIP-32 path to signing key')
 @click.option('-f', '--file', type=click.File('r'), default='-', help='Transaction in NIS (RequestPrepareAnnounce) format')

trezorlib/client.py

@@ -667,6 +667,12 @@ class ProtocolMixin(object):
         ret = self.call(proto.SetU2FCounter(u2f_counter=u2f_counter))
         return ret
 
+    @field("address")
+    @expect(proto.NEMAddress)
+    def nem_get_address(self, n, network, show_display=False):
+        n = self._convert_prime(n)
+        return self.call(proto.NEMGetAddress(address_n=n, network=network, show_display=show_display))
+
     @expect(proto.NEMSignedTx)
     def nem_sign_tx(self, n, transaction):
         n = self._convert_prime(n)