def sweep_funds_from_privkey(wallet_obj):
if not USER_ONLINE:
puts(colored.red('BlockCypher connection needed to fetch unspents and broadcast signed transaction.'))
return
mpub = wallet_obj.serialize_b58(private=False)
coin_symbol = str(coin_symbol_from_mkey(mpub))
network = guess_network_from_mkey(mpub)
puts('Enter a private key (in WIF format) to send from:')
wif_obj = get_wif_obj(network=network, user_prompt=DEFAULT_PROMPT, quit_ok=True)
if not wif_obj:
return
pkey_addr = wif_obj.get_public_key().to_address(compressed=True)
inputs = [{
'address': pkey_addr,
}, ]
verbose_print('Inputs:\n%s' % inputs)
dest_addr = get_unused_receiving_addresses(
wallet_obj=wallet_obj,
num_addrs=1,
)[0]['pub_address']
outputs = [{
'address': dest_addr,
'value': -1, # sweep value
}, ]
verbose_print('Outputs:\n%s' % outputs)
unsigned_tx = create_unsigned_tx(
inputs=inputs,
outputs=outputs,
change_address=None,
coin_symbol=coin_symbol,
# will verify in the next step,
# that way if there is an error here we can display that to user
verify_tosigntx=False,
include_tosigntx=True,
)
verbose_print('Unsigned TX:')
verbose_print(unsigned_tx)
if 'errors' in unsigned_tx:
puts(colored.red('TX Error(s): Tx NOT Signed or Broadcast'))
for error in unsigned_tx['errors']:
puts(colored.red(error['error']))
# Abandon
return
# Verify TX requested to sign is as expected
tx_is_correct, err_msg = verify_unsigned_tx(
unsigned_tx=unsigned_tx,
inputs=inputs,
outputs=outputs,
sweep_funds=True,
change_address=None,
coin_symbol=coin_symbol,
)
if not tx_is_correct:
puts(colored.red('TX Error: Tx NOT Signed or Broadcast'))
puts(colored.red(err_msg))
# Abandon
return
privkeyhex_list, pubkeyhex_list = [], []
for _ in unsigned_tx['tx']['inputs']:
privkeyhex_list.append(wif_obj.get_key())
pubkeyhex_list.append(wif_obj.get_public_key().get_key(
compressed=True))
verbose_print('Private Key List: %s' % privkeyhex_list)
verbose_print('Public Key List: %s' % pubkeyhex_list)
# sign locally
tx_signatures = make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkeyhex_list,
pubkey_list=pubkeyhex_list,
)
verbose_print('TX Signatures: %s' % tx_signatures)
# TODO: add final confirmation before broadcast
broadcasted_tx = broadcast_signed_transaction(
unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=pubkeyhex_list,
coin_symbol=coin_symbol,
)
verbose_print('Broadcasted TX')
verbose_print(broadcasted_tx)
tx_hash = broadcasted_tx['tx']['hash']
puts(colored.green('TX Broadcast: %s' % tx_hash))
tx_url = get_tx_url(
tx_hash=tx_hash,
coin_symbol=coin_symbol,
)
puts(colored.blue(tx_url))
# Display updated wallet balance info
display_balance_info(wallet_obj=wallet_obj)
def send_funds(wallet_obj, change_address=None, destination_address=None, dest_satoshis=None, tx_preference=None):
if not USER_ONLINE:
puts(colored.red('Blockcypher connection needed to fetch unspents and broadcast signed transaction.'))
puts(colored.red('You may dump all your addresses and private keys while offline by selecting option 0 on the home screen.'))
return
mpub = wallet_obj.serialize_b58(private=False)
if not wallet_obj.private_key:
print_pubwallet_notice(mpub=mpub)
return
coin_symbol = str(coin_symbol_from_mkey(mpub))
verbose_print(coin_symbol)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
wallet_details = get_wallet_transactions(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
)
verbose_print(wallet_details)
if wallet_details['final_balance'] == 0:
puts(colored.red("0 balance. You can't send funds if you don't have them available!"))
return
mpriv = wallet_obj.serialize_b58(private=True)
if not destination_address:
display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
puts('What %s address do you want to send to?' % display_shortname)
destination_address = get_crypto_address(coin_symbol=coin_symbol, quit_ok=True)
if destination_address in ('q', 'Q'):
puts(colored.red('Transaction Not Broadcast!'))
return
if not dest_satoshis:
VALUE_PROMPT = 'Your current balance is %s. How much (in %s) do you want to send? Note that due to transaction fees your full balance may not be available to send.' % (
format_crypto_units(
input_quantity=wallet_details['final_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
),
get_curr_symbol(
coin_symbol=coin_symbol,
output_type=UNIT_CHOICE,
),
)
puts(VALUE_PROMPT)
dest_crypto_qty = get_crypto_qty(
max_num=from_satoshis(
input_satoshis=wallet_details['final_balance'],
output_type=UNIT_CHOICE,
),
input_type=UNIT_CHOICE,
user_prompt=DEFAULT_PROMPT,
quit_ok=True,
)
if dest_crypto_qty in ('q', 'Q'):
puts(colored.red('Transaction Not Broadcast!'))
return
dest_satoshis = to_satoshis(
input_quantity=dest_crypto_qty,
input_type=UNIT_CHOICE,
)
inputs = [{
'wallet_name': wallet_name,
'wallet_token': BLOCKCYPHER_API_KEY,
}, ]
outputs = [{
'value': dest_satoshis,
'address': destination_address,
}, ]
if dest_satoshis == -1:
sweep_funds = True
change_address = None
else:
sweep_funds = False
if not change_address:
change_address = get_unused_change_addresses(
wallet_obj=wallet_obj,
num_addrs=1,
)[0]['pub_address']
if not tx_preference:
tx_preference = txn_preference_chooser(user_prompt=DEFAULT_PROMPT)
verbose_print('Inputs:')
verbose_print(inputs)
verbose_print('Outputs:')
verbose_print(outputs)
verbose_print('Change Address: %s' % change_address)
verbose_print('coin symbol: %s' % coin_symbol)
verbose_print('TX Preference: %s' % tx_preference)
unsigned_tx = create_unsigned_tx(
inputs=inputs,
outputs=outputs,
change_address=change_address,
preference=tx_preference,
coin_symbol=coin_symbol,
# will verify in the next step,
# that way if there is an error here we can display that to user
verify_tosigntx=False,
include_tosigntx=True,
)
verbose_print('Unsigned TX:')
verbose_print(unsigned_tx)
if 'errors' in unsigned_tx:
if any([x.get('error', '').startswith('Not enough funds after fees') for x in unsigned_tx['errors']]):
puts("Sorry, after transaction fees there's not (quite) enough funds to send %s. Would you like to send the max you can instead?" % (
format_crypto_units(
input_quantity=dest_satoshis,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
)))
if confirm(user_prompt=DEFAULT_PROMPT, default=False):
return send_funds(
wallet_obj=wallet_obj,
change_address=change_address,
destination_address=destination_address,
dest_satoshis=-1, # sweep
tx_preference=tx_preference,
)
else:
puts(colored.red('Transaction Not Broadcast!'))
return
else:
puts(colored.red('TX Error(s): Tx NOT Signed or Broadcast'))
for error in unsigned_tx['errors']:
puts(colored.red(error['error']))
# Abandon
return
# Verify TX requested to sign is as expected
tx_is_correct, err_msg = verify_unsigned_tx(
unsigned_tx=unsigned_tx,
inputs=inputs,
outputs=outputs,
sweep_funds=sweep_funds,
change_address=change_address,
coin_symbol=coin_symbol,
)
if not tx_is_correct:
puts(colored.red('TX Error: Tx NOT Signed or Broadcast'))
puts(colored.red(err_msg))
# Abandon
return
input_addresses = get_input_addresses(unsigned_tx)
verbose_print('input_addresses')
verbose_print(input_addresses)
address_paths = [{'path': x['hd_path'], 'address': x['addresses'][0]} for x in unsigned_tx['tx']['inputs']]
# be sure all addresses returned
address_paths_filled = verify_and_fill_address_paths_from_bip32key(
address_paths=address_paths,
master_key=mpriv,
network=guess_network_from_mkey(mpriv),
)
verbose_print('adress_paths_filled:')
verbose_print(address_paths_filled)
hexkeypair_dict = hexkeypair_list_to_dict(address_paths_filled)
verbose_print('hexkeypair_dict:')
verbose_print(hexkeypair_dict)
if len(hexkeypair_dict.keys()) != len(set(input_addresses)):
notfound_addrs = set(input_addresses) - set(hexkeypair_dict.keys())
err_msg = "Couldn't find %s traversing bip32 key" % notfound_addrs
raise Exception('Traversal Fail: %s' % err_msg)
privkeyhex_list = [hexkeypair_dict[x]['privkeyhex'] for x in input_addresses]
pubkeyhex_list = [hexkeypair_dict[x]['pubkeyhex'] for x in input_addresses]
verbose_print('Private Key List: %s' % privkeyhex_list)
verbose_print('Public Key List: %s' % pubkeyhex_list)
# sign locally
tx_signatures = make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkeyhex_list,
pubkey_list=pubkeyhex_list,
)
verbose_print('TX Signatures: %s' % tx_signatures)
# final confirmation before broadcast
if dest_satoshis == -1:
# remember that sweep TXs cannot verify amounts client-side (only destination addresses)
dest_satoshis_to_display = unsigned_tx['tx']['total'] - unsigned_tx['tx']['fees']
else:
dest_satoshis_to_display = dest_satoshis
CONF_TEXT = "Send %s to %s with a fee of %s (%s%% of the amount you're sending)?" % (
format_crypto_units(
input_quantity=dest_satoshis_to_display,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
),
destination_address,
format_crypto_units(
input_quantity=unsigned_tx['tx']['fees'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
),
round(100.0 * unsigned_tx['tx']['fees'] / dest_satoshis_to_display, 4),
)
puts(CONF_TEXT)
if not confirm(user_prompt=DEFAULT_PROMPT, default=True):
puts(colored.red('Transaction Not Broadcast!'))
return
broadcasted_tx = broadcast_signed_transaction(
unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=pubkeyhex_list,
coin_symbol=coin_symbol,
)
verbose_print('Broadcast TX Details:')
verbose_print(broadcasted_tx)
if 'errors' in broadcasted_tx:
puts(colored.red('TX Error(s): Tx May NOT Have Been Broadcast'))
for error in broadcasted_tx['errors']:
puts(colored.red(error['error']))
return
tx_hash = broadcasted_tx['tx']['hash']
tx_url = get_tx_url(
tx_hash=tx_hash,
coin_symbol=coin_symbol,
)
puts(colored.green('Transaction %s Broadcast' % tx_hash))
puts(colored.blue(tx_url))
# Display updated wallet balance info
display_balance_info(wallet_obj=wallet_obj)
