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python-trezor
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trezorctl: use more idiomatic approach using resultcallback

This commit is contained in:
Pavol Rusnak 2017-07-04 13:55:05 +02:00
parent b335d30b8d
commit 5a89a15935
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 49 additions and 76 deletions
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trezorctl
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@ -24,6 +24,7 @@ import json
import base64
import click
from trezorlib import protobuf_json
from trezorlib.client import TrezorClient, TrezorClientVerbose, CallException
import trezorlib.types_pb2 as types
@ -55,13 +56,6 @@ def get_transport(transport_name, path):
return dev
def output(res):
if output.json:
click.echo(json.dumps(res, sort_keys=True, indent=4))
else:
click.echo(res)
@click.group()
@click.option('-t', '--transport', type=click.Choice(['usb', 'udp', 'pipe', 'bridge']), default='usb', help='Select transport used for communication.')
@click.option('-p', '--path', help='Select device by transport-specific path.')
@ -69,7 +63,6 @@ def output(res):
@click.option('-j', '--json', 'is_json', is_flag=True, help='Print result as JSON object')
@click.pass_context
def cli(ctx, transport, path, verbose, is_json):
output.json = is_json
if ctx.invoked_subcommand == 'list':
ctx.obj = transport
else:
@ -80,6 +73,24 @@ def cli(ctx, transport, path, verbose, is_json):
ctx.obj = TrezorClient(t)
@cli.resultcallback()
def print_result(res, transport, path, verbose, is_json):
if is_json:
if hasattr(res, '__module__') and res.__module__ == 'messages_pb2':
click.echo(protobuf_json.pb2json(res))
else:
click.echo(json.dumps(res, sort_keys=True, indent=4))
else:
if isinstance(res, list):
for line in res:
click.echo(line)
elif isinstance(res, dict):
for k, v in res.items():
click.echo('%s: %s' % (k, v))
else:
click.echo(res)
#
# Common functions
#
@ -90,18 +101,7 @@ def cli(ctx, transport, path, verbose, is_json):
def ls(transport_name):
transport_class = get_transport_class_by_name(transport_name)
devices = transport_class.enumerate()
if output.json:
click.echo(json.dumps(devices, sort_keys=True, indent=4))
else:
if transport_name == 'usb':
for dev in devices:
if dev[1] is not None:
click.echo('%s - debuglink enabled' % dev[0])
else:
click.echo(dev[0])
else:
for dev in devices:
click.echo(dev)
return [d[0] for d in devices]
#
@ -116,23 +116,20 @@ def ls(transport_name):
@click.option('-r', '--passphrase-protection', is_flag=True)
@click.pass_obj
def ping(client, message, button_protection, pin_protection, passphrase_protection):
ret = client.ping(message, button_protection=button_protection, pin_protection=pin_protection, passphrase_protection=passphrase_protection)
output(ret)
return client.ping(message, button_protection=button_protection, pin_protection=pin_protection, passphrase_protection=passphrase_protection)
@cli.command(help='Clear session (remove cached PIN, passphrase, etc.).')
@click.pass_obj
def clear_session(client):
ret = client.clear_session()
output(ret)
return client.clear_session()
@cli.command(help='Get example entropy.')
@click.argument('size', type=int)
@click.pass_obj
def get_entropy(client, size):
ret = binascii.hexlify(client.get_entropy(size))
output(ret)
return binascii.hexlify(client.get_entropy(size))
@cli.command(help='Retrieve device features and settings.')
@ -144,8 +141,7 @@ def get_features(client):
@cli.command(help='List all supported coin types by the device.')
@click.pass_obj
def list_coins(client):
ret = [coin.coin_name for coin in client.features.coins]
output(ret)
return [coin.coin_name for coin in client.features.coins]
#
@ -157,30 +153,26 @@ def list_coins(client):
@click.option('-r', '--remove', is_flag=True)
@click.pass_obj
def change_pin(client, remove):
ret = client.change_pin(remove)
output(ret)
return client.change_pin(remove)
@cli.command(help='Enable passphrase.')
@click.pass_obj
def enable_passphrase(client):
ret = client.apply_settings(use_passphrase=True)
output(ret)
return client.apply_settings(use_passphrase=True)
@cli.command(help='Disable passphrase.')
@click.pass_obj
def disable_passphrase(client):
ret = client.apply_settings(use_passphrase=False)
output(ret)
return client.apply_settings(use_passphrase=False)
@cli.command(help='Set new device label.')
@click.option('-l', '--label')
@click.pass_obj
def set_label(client, label):
ret = client.apply_settings(label=label)
output(ret)
return client.apply_settings(label=label)
@cli.command(help='Set new homescreen.')
@ -201,23 +193,20 @@ def set_homescreen(client, filename):
img = ''.join(chr(int(img[i:i + 8], 2)) for i in range(0, len(img), 8))
else:
img = '\x00'
ret = client.apply_settings(homescreen=img)
output(ret)
return client.apply_settings(homescreen=img)
@cli.command(help='Set U2F counter.')
@click.argument('counter', type=int)
@click.pass_obj
def set_u2f_counter(client, counter):
ret = client.set_u2f_counter(counter)
output(ret)
return client.set_u2f_counter(counter)
@cli.command(help='Reset device to factory defaults and remove all private data.')
@click.pass_obj
def wipe_device(client):
ret = client.wipe_device()
output(ret)
return client.wipe_device()
@cli.command(help='Load custom configuration to the device.')
@ -234,7 +223,7 @@ def load_device(client, mnemonic, expand, xprv, pin, passphrase_protection, labe
raise CallException(types.Failure_DataError, 'Please provide mnemonic or xprv')
if mnemonic:
ret = client.load_device_by_mnemonic(
return client.load_device_by_mnemonic(
mnemonic,
pin,
passphrase_protection,
@ -244,14 +233,13 @@ def load_device(client, mnemonic, expand, xprv, pin, passphrase_protection, labe
expand
)
if xprv:
ret = client.load_device_by_xprv(
return client.load_device_by_xprv(
xprv,
pin,
passphrase_protection,
label,
'english'
)
output(ret)
@cli.command(help='Start safe recovery workflow.')
@ -268,7 +256,7 @@ def recovery_device(client, words, expand, pin_protection, passphrase_protection
'scrambled': types.RecoveryDeviceType_ScrambledWords,
'matrix': types.RecoveryDeviceType_Matrix
}
ret = client.recovery_device(
return client.recovery_device(
words,
passphrase_protection,
pin_protection,
@ -278,7 +266,6 @@ def recovery_device(client, words, expand, pin_protection, passphrase_protection
expand,
dry_run
)
output(ret)
@cli.command(help='Perform device setup and generate new seed.')
@ -290,7 +277,7 @@ def recovery_device(client, words, expand, pin_protection, passphrase_protection
@click.option('-s', '--skip-backup', is_flag=True)
@click.pass_obj
def reset_device(client, strength, pin_protection, passphrase_protection, label, u2f_counter, skip_backup):
ret = client.reset_device(
return client.reset_device(
True,
strength,
passphrase_protection,
@ -300,14 +287,12 @@ def reset_device(client, strength, pin_protection, passphrase_protection, label,
u2f_counter,
skip_backup
)
output(ret)
@cli.command(help='Perform device seed backup.')
@click.pass_obj
def backup_device(client):
ret = client.backup_device()
output(ret)
return client.backup_device()
#
@ -360,15 +345,13 @@ def firmware_update(client, filename, url, version, skip_check):
click.echo('Please confirm action on device...')
from io import BytesIO
ret = client.firmware_update(fp=BytesIO(fp))
output(ret)
return client.firmware_update(fp=BytesIO(fp))
@cli.command(help='Perform a self-test.')
@click.pass_obj
def self_test(client):
ret = client.self_test()
output(ret)
return client.self_test()
#
@ -390,8 +373,7 @@ def get_address(client, coin, address, script_type, show_display):
'p2shsegwit': types.SPENDP2SHWITNESS,
}
script_type = typemap[script_type]
ret = client.get_address(coin, address_n, show_display, script_type=script_type)
output(ret)
return client.get_address(coin, address_n, show_display, script_type=script_type)
@cli.command(help='Get public node of given path.')
@ -402,8 +384,7 @@ def get_address(client, coin, address, script_type, show_display):
@click.pass_obj
def get_public_node(client, coin, address, curve, show_display):
address_n = client.expand_path(address)
ret = client.get_public_node(address_n, ecdsa_curve_name=curve, show_display=show_display, coin_name=coin)
output(ret)
return client.get_public_node(address_n, ecdsa_curve_name=curve, show_display=show_display, coin_name=coin)
#
@ -419,12 +400,11 @@ def get_public_node(client, coin, address, curve, show_display):
def sign_message(client, coin, address, message):
address_n = client.expand_path(address)
res = client.sign_message(coin, address_n, message)
ret = {
return {
'message': message,
'address': res.address,
'signature': base64.b64encode(res.signature)
}
output(ret)
@cli.command(help='Verify message.')
@ -435,8 +415,7 @@ def sign_message(client, coin, address, message):
@click.pass_obj
def verify_message(client, coin, address, signature, message):
signature = base64.b64decode(signature)
ret = client.verify_message(coin, address, signature, message)
output(ret)
return client.verify_message(coin, address, signature, message)
@cli.command(help='Encrypt value by given key and path.')
@ -447,8 +426,7 @@ def verify_message(client, coin, address, signature, message):
def encrypt_keyvalue(client, address, key, value):
address_n = client.expand_path(address)
res = client.encrypt_keyvalue(address_n, key, value)
ret = binascii.hexlify(res)
output(ret)
return binascii.hexlify(res)
@cli.command(help='Decrypt value by given key and path.')
@ -458,8 +436,7 @@ def encrypt_keyvalue(client, address, key, value):
@click.pass_obj
def decrypt_keyvalue(client, address, key, value):
address_n = client.expand_path(address)
ret = client.decrypt_keyvalue(address_n, key, value.decode('hex'))
output(ret)
return client.decrypt_keyvalue(address_n, key, value.decode('hex'))
@cli.command(help='Encrypt message.')
@ -473,13 +450,12 @@ def encrypt_message(client, coin, display_only, address, pubkey, message):
pubkey = binascii.unhexlify(pubkey)
address_n = client.expand_path(address)
res = client.encrypt_message(pubkey, message, display_only, coin, address_n)
ret = {
return {
'nonce': binascii.hexlify(res.nonce),
'message': binascii.hexlify(res.message),
'hmac': binascii.hexlify(res.hmac),
'payload': base64.b64encode(res.nonce + res.message + res.hmac),
}
output(ret)
@cli.command(help='Decrypt message.')
@ -490,8 +466,7 @@ def decrypt_message(client, address, payload):
address_n = client.expand_path(address)
payload = base64.b64decode(payload)
nonce, message, msg_hmac = payload[:33], payload[33:-8], payload[-8:]
ret = client.decrypt_message(address_n, nonce, message, msg_hmac)
output(ret)
return client.decrypt_message(address_n, nonce, message, msg_hmac)
#
@ -506,8 +481,7 @@ def decrypt_message(client, address, payload):
def ethereum_get_address(client, address, show_display):
address_n = client.expand_path(address)
address = client.ethereum_get_address(address_n, show_display)
ret = '0x%s' % binascii.hexlify(address)
output(ret)
return '0x%s' % binascii.hexlify(address)
@cli.command(help='Sign (and optionally publish) Ethereum transaction. Use TO as destination address or set TO to "" for contract creation.')
@ -615,10 +589,9 @@ def ethereum_sign_tx(client, host, chain_id, address, value, gas_limit, gas_pric
if publish:
tx_hash = eth.eth_sendRawTransaction(tx_hex)
ret = 'Transaction published with ID: %s' % tx_hash
return 'Transaction published with ID: %s' % tx_hash
else:
ret = 'Signed raw transaction: %s' % tx_hex
output(ret)
return 'Signed raw transaction: %s' % tx_hex
#