def display_recent_txs(wallet_obj):
if not USER_ONLINE:
puts(colored.red('BlockCypher connection needed to find transactions related to your addresses.'))
puts(colored.red('You may dump all your addresses while offline by selecting option 0.'))
return
local_tz = get_localzone()
# Show overall balance info
display_balance_info(wallet_obj=wallet_obj)
mpub = wallet_obj.serialize_b58(private=False)
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_from_mkey(mpub),
)
verbose_print(wallet_details)
# TODO: pagination for lots of transactions
txs = wallet_details.get('unconfirmed_txrefs', []) + wallet_details.get('txrefs', [])
if txs:
for tx_object in flatten_txns_by_hash(txs, nesting=False):
if tx_object.get('confirmed_at'):
tx_time = tx_object['confirmed_at']
else:
tx_time = tx_object['received_at']
net_satoshis_tx = sum(tx_object['txns_satoshis_list'])
conf_str = ''
if tx_object.get('confirmed_at'):
if tx_object.get('confirmations'):
if tx_object.get('confirmations') <= 6:
conf_str = ' (%s confirmations)' % tx_object.get('confirmations')
else:
conf_str = ' (6+ confirmations)'
else:
conf_str = ' (0 confirmations!)'
puts(colored.green('%s: %s%s %s in TX hash %s%s' % (
tx_time.astimezone(local_tz).strftime("%Y-%m-%d %H:%M %Z"),
'+' if net_satoshis_tx > 0 else '',
format_crypto_units(
input_quantity=net_satoshis_tx,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol_from_mkey(mpub),
print_cs=True,
),
'received' if net_satoshis_tx > 0 else 'sent',
tx_object['tx_hash'],
conf_str,
)))
else:
puts('No Transactions')
def display_balance_info(wallet_obj, verbose=False):
if not USER_ONLINE:
return
mpub = wallet_obj.serialize_b58(private=False)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
verbose_print('Wallet Name: %s' % wallet_name)
verbose_print('API Key: %s' % BLOCKCYPHER_API_KEY)
coin_symbol = coin_symbol_from_mkey(mpub)
wallet_details = get_wallet_balance(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
)
verbose_print(wallet_details)
puts('-' * 70 + '\n')
balance_str = 'Balance: %s' % (
format_crypto_units(
input_quantity=wallet_details['final_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
))
puts(colored.green(balance_str))
if wallet_details['unconfirmed_balance']:
balance_str += ' (%s%s of this is unconfirmed)' % (
'+' if wallet_details['unconfirmed_balance'] else '', # hack
format_crypto_units(
input_quantity=wallet_details['unconfirmed_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
print_cs=True,
coin_symbol=coin_symbol,
),
)
tx_string = 'Transactions: %s' % wallet_details['final_n_tx']
if wallet_details['unconfirmed_n_tx']:
tx_string += ' (%s unconfirmed)' % wallet_details['unconfirmed_n_tx']
puts(colored.green(tx_string + '\n'))
puts('More info:')
puts(colored.blue(get_public_wallet_url(mpub)))
puts()
return wallet_details['final_balance']
def display_balance_info(wallet_obj, verbose=False):
if not USER_ONLINE:
return
mpub = wallet_obj.serialize_b58(private=False)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
verbose_print('Wallet Name: %s' % wallet_name)
verbose_print('API Key: %s' % BLOCKCYPHER_API_KEY)
coin_symbol = coin_symbol_from_mkey(mpub)
wallet_details = get_wallet_balance(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
)
verbose_print(wallet_details)
puts('-' * 70 + '\n')
balance_str = 'Balance: %s' % (
format_crypto_units(
input_quantity=wallet_details['final_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
))
puts(colored.green(balance_str))
if wallet_details['unconfirmed_balance']:
balance_str += ' (%s%s of this is unconfirmed)' % (
'+' if wallet_details['unconfirmed_balance'] else '', # hack
format_crypto_units(
input_quantity=wallet_details['unconfirmed_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
print_cs=True,
coin_symbol=coin_symbol,
),
)
tx_string = 'Transactions: %s' % wallet_details['final_n_tx']
if wallet_details['unconfirmed_n_tx']:
tx_string += ' (%s unconfirmed)' % wallet_details['unconfirmed_n_tx']
puts(colored.green(tx_string + '\n'))
puts('More info:')
puts(colored.blue(get_public_wallet_url(mpub)))
puts()
return wallet_details['final_balance']
def register_unused_addresses(wallet_obj, subchain_index, num_addrs=1):
'''
Hit /derive to register new unused_addresses on a subchain_index and verify them client-side
Returns a list of dicts of the following form:
[
{'address': '1abc123...', 'path': 'm/0/9', 'public': '0123456...'},
...,
]
'''
verbose_print(
'register_unused_addresses called on subchain %s for %s addrs' % (
subchain_index,
num_addrs,
))
assert type(subchain_index) is int, subchain_index
assert type(num_addrs) is int, num_addrs
assert num_addrs > 0
mpub = wallet_obj.serialize_b58(private=False)
coin_symbol = coin_symbol_from_mkey(mpub)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
network = guess_network_from_mkey(mpub)
# register new address(es)
derivation_response = derive_hd_address(
api_key=BLOCKCYPHER_API_KEY,
wallet_name=wallet_name,
num_addresses=num_addrs,
subchain_index=subchain_index,
coin_symbol=coin_symbol,
)
verbose_print('derivation_response:')
verbose_print(derivation_response)
address_paths = derivation_response['chains'][0]['chain_addresses']
# verify new addresses client-side
full_address_paths = verify_and_fill_address_paths_from_bip32key(
address_paths=address_paths,
master_key=mpub,
network=network,
)
return full_address_paths
def register_unused_addresses(wallet_obj, subchain_index, num_addrs=1):
'''
Hit /derive to register new unused_addresses on a subchain_index and verify them client-side
Returns a list of dicts of the following form:
[
{'address': '1abc123...', 'path': 'm/0/9', 'public': '0123456...'},
...,
]
'''
verbose_print('register_unused_addresses called on subchain %s for %s addrs' % (
subchain_index,
num_addrs,
))
assert type(subchain_index) is int, subchain_index
assert type(num_addrs) is int, num_addrs
assert num_addrs > 0
mpub = wallet_obj.serialize_b58(private=False)
coin_symbol = coin_symbol_from_mkey(mpub)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
network = guess_network_from_mkey(mpub)
# register new address(es)
derivation_response = derive_hd_address(
api_key=BLOCKCYPHER_API_KEY,
wallet_name=wallet_name,
num_addresses=num_addrs,
subchain_index=subchain_index,
coin_symbol=coin_symbol,
)
verbose_print('derivation_response:')
verbose_print(derivation_response)
address_paths = derivation_response['chains'][0]['chain_addresses']
# verify new addresses client-side
full_address_paths = verify_and_fill_address_paths_from_bip32key(
address_paths=address_paths,
master_key=mpub,
network=network,
)
return full_address_paths
def get_addresses_on_both_chains(wallet_obj, used=None, zero_balance=None):
'''
Get addresses across both subchains based on the filter criteria passed in
Returns a list of dicts of the following form:
[
{'address': '1abc123...', 'path': 'm/0/9', 'pubkeyhex': '0123456...'},
...,
]
Dicts may also contain WIF and privkeyhex if wallet_obj has private key
'''
mpub = wallet_obj.serialize_b58(private=False)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
wallet_addresses = get_wallet_addresses(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
is_hd_wallet=True,
used=used,
zero_balance=zero_balance,
coin_symbol=coin_symbol_from_mkey(mpub),
)
verbose_print('wallet_addresses:')
verbose_print(wallet_addresses)
if wallet_obj.private_key:
master_key = wallet_obj.serialize_b58(private=True)
else:
master_key = mpub
chains_address_paths_cleaned = []
for chain in wallet_addresses['chains']:
if chain['chain_addresses']:
chain_address_paths = verify_and_fill_address_paths_from_bip32key(
address_paths=chain['chain_addresses'],
master_key=master_key,
network=guess_network_from_mkey(mpub),
)
chain_address_paths_cleaned = {
'index': chain['index'],
'chain_addresses': chain_address_paths,
}
chains_address_paths_cleaned.append(chain_address_paths_cleaned)
return chains_address_paths_cleaned
def get_addresses_on_both_chains(wallet_obj, used=None, zero_balance=None):
'''
Get addresses across both subchains based on the filter criteria passed in
Returns a list of dicts of the following form:
[
{'address': '1abc123...', 'path': 'm/0/9', 'pubkeyhex': '0123456...'},
...,
]
Dicts may also contain WIF and privkeyhex if wallet_obj has private key
'''
mpub = wallet_obj.serialize_b58(private=False)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
wallet_addresses = get_wallet_addresses(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
is_hd_wallet=True,
used=used,
zero_balance=zero_balance,
coin_symbol=coin_symbol_from_mkey(mpub),
)
verbose_print('wallet_addresses:')
verbose_print(wallet_addresses)
if wallet_obj.private_key:
master_key = wallet_obj.serialize_b58(private=True)
else:
master_key = mpub
chains_address_paths_cleaned = []
for chain in wallet_addresses['chains']:
if chain['chain_addresses']:
chain_address_paths = verify_and_fill_address_paths_from_bip32key(
address_paths=chain['chain_addresses'],
master_key=master_key,
network=guess_network_from_mkey(mpub),
)
chain_address_paths_cleaned = {
'index': chain['index'],
'chain_addresses': chain_address_paths,
}
chains_address_paths_cleaned.append(chain_address_paths_cleaned)
return chains_address_paths_cleaned
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('\nWhat %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 is False:
puts(colored.red('Transaction Not Broadcast!'))
return
if not dest_satoshis:
crypto_units = format_crypto_units(
input_quantity=wallet_details['final_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
)
curr_symbol = get_curr_symbol(
coin_symbol=coin_symbol,
output_type=UNIT_CHOICE,
)
puts('\nHow much (in %s) do you want to send?' % curr_symbol)
puts('Your current balance is %s.' % crypto_units)
puts('Note that due to small %s network transaction fees your full balance may not be available to send.' % display_shortname)
puts('To send your full balance (less transaction fees), enter "-1" without the quotes.')
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 is False:
# user aborted with Q
puts(colored.red('Transaction Not Broadcast!'))
return
if dest_crypto_qty == -1:
dest_satoshis = -1
else:
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." % (
format_crypto_units(
input_quantity=dest_satoshis,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
)))
puts('Would you like to send the max you can instead?')
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)
def wallet_home(wallet_obj):
'''
Loaded on bootup (and stays in while loop until quitting)
'''
mpub = wallet_obj.serialize_b58(private=False)
if wallet_obj.private_key is None:
print_pubwallet_notice(mpub=mpub)
else:
print_bcwallet_basic_pub_opening(mpub=mpub)
puts('Note: you can quit/cancel any input by entering "q" at the prompt.')
coin_symbol = coin_symbol_from_mkey(mpub)
if USER_ONLINE:
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
# Instruct blockcypher to track the wallet by pubkey
create_hd_wallet(
wallet_name=wallet_name,
xpubkey=mpub,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
subchain_indices=[0, 1], # for internal and change addresses
)
# Display balance info
display_balance_info(wallet_obj=wallet_obj)
# Go to home screen
while True:
puts('-' * 70 + '\n')
if coin_symbol in ('bcy', 'btc-testnet'):
display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
if coin_symbol == 'bcy':
faucet_url = 'https://accounts.blockcypher.com/blockcypher-faucet'
elif coin_symbol == 'btc-testnet':
faucet_url = 'https://accounts.blockcypher.com/testnet-faucet'
puts('Get free %s faucet coins:' % display_shortname)
puts(colored.blue(faucet_url))
puts()
if coin_symbol == 'btc-testnet':
puts('Please consider returning unused testnet coins to mwmabpJVisvti3WEP5vhFRtn3yqHRD9KNP so we can distribute them to others.\n')
puts('What do you want to do?:')
if not USER_ONLINE:
puts("(since you are NOT connected to BlockCypher, many choices are disabled)")
with indent(2):
puts(colored.cyan('1: Show balance and transactions'))
puts(colored.cyan('2: Show new receiving addresses'))
puts(colored.cyan('3: Send funds (more options here)'))
if wallet_obj.private_key:
with indent(2):
puts(colored.cyan('0: Dump private keys and addresses (advanced users only)'))
else:
with indent(2):
puts(colored.cyan('0: Dump addresses (advanced users only)'))
choice = choice_prompt(
user_prompt=DEFAULT_PROMPT,
acceptable_responses=range(0, 3+1),
quit_ok=True,
default_input='1',
)
verbose_print('Choice: %s' % choice)
if choice in ('q', 'Q'):
puts(colored.green('Thanks for using bcwallet!'))
break
elif choice == '1':
display_recent_txs(wallet_obj=wallet_obj)
elif choice == '2':
display_new_receiving_addresses(wallet_obj=wallet_obj)
elif choice == '3':
send_chooser(wallet_obj=wallet_obj)
elif choice == '0':
dump_private_keys_or_addrs_chooser(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('\nWhat %s address do you want to send to?' % display_shortname)
puts('Enter "b" to go back.\n')
destination_address = get_crypto_address(coin_symbol=coin_symbol, quit_ok=True)
if destination_address is False:
puts(colored.red('Transaction Not Broadcast!'))
return
if not dest_satoshis:
crypto_units = format_crypto_units(
input_quantity=wallet_details['final_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
)
curr_symbol = get_curr_symbol(
coin_symbol=coin_symbol,
output_type=UNIT_CHOICE,
)
puts('\nHow much (in %s) do you want to send?' % curr_symbol)
puts('Your current balance is %s.' % crypto_units)
puts('Note that due to small %s network transaction fees your full balance may not be available to send.' % display_shortname)
puts('To send your full balance (less transaction fees), enter "-1".')
puts('Enter "b" to go back.\n')
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 is False:
# user aborted with Q
puts(colored.red('Transaction Not Broadcast!'))
return
if dest_crypto_qty == -1:
dest_satoshis = -1
else:
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." % (
format_crypto_units(
input_quantity=dest_satoshis,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
)))
puts('Would you like to send the max you can instead?')
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)
def display_recent_txs(wallet_obj):
if not USER_ONLINE:
puts(colored.red('BlockCypher connection needed to find transactions related to your addresses.'))
puts(colored.red('You may dump all your addresses while offline by selecting option 0.'))
return
local_tz = get_localzone()
# Show overall balance info
display_balance_info(wallet_obj=wallet_obj)
mpub = wallet_obj.serialize_b58(private=False)
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_from_mkey(mpub),
)
verbose_print(wallet_details)
# TODO: pagination for lots of transactions
txs = wallet_details.get('unconfirmed_txrefs', []) + wallet_details.get('txrefs', [])
if txs:
for tx_object in flatten_txns_by_hash(txs, nesting=False):
if tx_object.get('confirmed_at'):
tx_time = tx_object['confirmed_at']
else:
tx_time = tx_object['received_at']
net_satoshis_tx = sum(tx_object['txns_satoshis_list'])
conf_str = ''
has_confirmations = False
if tx_object.get('confirmed_at'):
if tx_object.get('confirmations'):
has_confirmations = True
if tx_object.get('confirmations') <= 6:
conf_str = ' (%s confirmations)' % tx_object.get('confirmations')
else:
conf_str = ' (6+ confirmations)'
else:
conf_str = ' (0 confirmations!)'
print_str = '%s: %s%s %s in TX hash %s%s' % (
tx_time.astimezone(local_tz).strftime("%Y-%m-%d %H:%M %Z"),
'+' if net_satoshis_tx > 0 else '',
format_crypto_units(
input_quantity=net_satoshis_tx,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol_from_mkey(mpub),
print_cs=True,
),
'received' if net_satoshis_tx > 0 else 'sent',
tx_object['tx_hash'],
conf_str,
)
if has_confirmations:
puts(colored.green(print_str))
else:
puts(colored.yellow(print_str))
else:
puts('No Transactions')
def wallet_home(wallet_obj):
'''
Loaded on bootup (and stays in while loop until quitting)
'''
mpub = wallet_obj.serialize_b58(private=False)
if wallet_obj.private_key is None:
print_pubwallet_notice(mpub=mpub)
else:
print_bcwallet_basic_pub_opening(mpub=mpub)
coin_symbol = coin_symbol_from_mkey(mpub)
if USER_ONLINE:
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
# Instruct blockcypher to track the wallet by pubkey
create_hd_wallet(
wallet_name=wallet_name,
xpubkey=mpub,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
subchain_indices=[0, 1], # for internal and change addresses
)
# Display balance info
display_balance_info(wallet_obj=wallet_obj)
# Go to home screen
while True:
puts('-' * 70 + '\n')
if coin_symbol in ('bcy', 'btc-testnet'):
display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
if coin_symbol == 'bcy':
faucet_url = 'https://accounts.blockcypher.com/blockcypher-faucet'
elif coin_symbol == 'btc-testnet':
faucet_url = 'https://accounts.blockcypher.com/testnet-faucet'
puts('Get free %s faucet coins:' % display_shortname)
puts(colored.blue(faucet_url))
puts()
if coin_symbol == 'btc-testnet':
puts('Please consider returning unused testnet coins to mwmabpJVisvti3WEP5vhFRtn3yqHRD9KNP so we can distribute them to others.\n')
puts('What do you want to do?:')
if not USER_ONLINE:
puts("(since you are NOT connected to BlockCypher, many choices are disabled)")
with indent(2):
puts(colored.cyan('1: Show balance and transactions'))
puts(colored.cyan('2: Show new receiving addresses'))
puts(colored.cyan('3: Send funds (more options here)'))
with indent(2):
if wallet_obj.private_key:
puts(colored.cyan('0: Dump private keys and addresses (advanced users only)'))
else:
puts(colored.cyan('0: Dump addresses (advanced users only)'))
puts(colored.cyan('\nq: Quit bcwallet\n'))
choice = choice_prompt(
user_prompt=DEFAULT_PROMPT,
acceptable_responses=range(0, 3+1),
quit_ok=True,
default_input='1',
)
verbose_print('Choice: %s' % choice)
if choice is False:
puts(colored.green('Thanks for using bcwallet!'))
print_keys_not_saved()
break
elif choice == '1':
display_recent_txs(wallet_obj=wallet_obj)
elif choice == '2':
display_new_receiving_addresses(wallet_obj=wallet_obj)
elif choice == '3':
send_chooser(wallet_obj=wallet_obj)
elif choice == '0':
dump_private_keys_or_addrs_chooser(wallet_obj=wallet_obj)
def wallet_overview(request, coin_symbol, pubkey):
subchain_indices = request.GET.get('subchain-indices')
if subchain_indices:
subchain_indices = subchain_indices.split('-')
if subchain_indices == ['']:
subchain_indices = []
else:
subchain_indices = [int(x) for x in subchain_indices]
# TODO: confirm it's a pubkey and not a privkey
TXNS_PER_PAGE = 100
# 1 indexed page
current_page = request.GET.get('page')
if current_page:
current_page = int(current_page)
else:
current_page = 1
# transaction pagination: 0-indexed and inclusive
tx_start_num = (current_page - 1) * TXNS_PER_PAGE
tx_end_num = current_page * TXNS_PER_PAGE - 1
wallet_name = get_blockcypher_walletname_from_mpub(mpub=pubkey,
subchain_indices=subchain_indices)
# TODO: could store in DB whether created or not
create_hd_wallet(
wallet_name=wallet_name,
xpubkey=pubkey,
api_key=BLOCKCYPHER_API_KEY,
subchain_indices=subchain_indices,
coin_symbol=coin_symbol,
)
wallet_details = get_wallet_transactions(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
txn_limit=TXNS_PER_PAGE,
)
# import pprint; pprint.pprint(wallet_details, width=1)
assert 'error' not in wallet_details, wallet_details
all_transactions = wallet_details.get('unconfirmed_txrefs', []) + wallet_details.get('txrefs', [])
# filter address details for pagination. HACK!
all_transactions = all_transactions[tx_start_num:tx_end_num]
flattened_txs = flatten_txns_by_hash(all_transactions, nesting=False)
return {
'is_wallet_page': True, # shared template
'coin_symbol': coin_symbol,
'pubkey': pubkey,
'subchain_indices': subchain_indices,
'current_page': current_page,
'max_pages': get_max_pages(num_items=wallet_details['final_n_tx'], items_per_page=TXNS_PER_PAGE),
'total_sent_satoshis': wallet_details['total_sent'],
'total_received_satoshis': wallet_details['total_received'],
'unconfirmed_balance_satoshis': wallet_details['unconfirmed_balance'],
'confirmed_balance_satoshis': wallet_details['balance'],
'total_balance_satoshis': wallet_details['final_balance'],
'flattened_txs': flattened_txs,
'num_confirmed_txns': wallet_details['n_tx'],
'num_unconfirmed_txns': wallet_details['unconfirmed_n_tx'],
'num_all_txns': wallet_details['final_n_tx'],
}
def wallet_home(wallet_obj):
'''
Loaded on bootup (and loops until quitting)
'''
mpub = wallet_obj.serialize_b58(private=False)
if wallet_obj.private_key is None:
print_pubwallet_notice(mpub=mpub)
else:
puts("You've opened your wallet in PRIVATE key mode, so you CAN sign transactions.")
puts("If you like, you can always open your wallet in PUBLIC key mode like this:\n")
print_bcwallet_basic_pub_opening(mpub=mpub)
coin_symbol = coin_symbol_from_mkey(mpub)
if USER_ONLINE:
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
# Instruct blockcypher to track the wallet by pubkey
create_hd_wallet(
wallet_name=wallet_name,
xpubkey=mpub,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
subchain_indices=[0, 1], # for internal and change addresses
)
# Display balance info
display_balance_info(wallet_obj=wallet_obj)
# Go to home screen
while True:
puts('-' * 70 + '\n')
if coin_symbol in ('bcy', 'btc-testnet'):
display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
if coin_symbol == 'bcy':
faucet_url = 'https://accounts.blockcypher.com/blockcypher-faucet'
elif coin_symbol == 'btc-testnet':
faucet_url = 'https://accounts.blockcypher.com/testnet-faucet'
puts(colored.blue('Get free %s faucet coins at %s\n' % (
display_shortname,
faucet_url,
)))
puts('What do you want to do?:')
if not USER_ONLINE:
puts("(since you are NOT connected to BlockCypher, many choices are disabled)")
with indent(2):
puts(colored.cyan('1: Show balance and transactions'))
puts(colored.cyan('2: Show new receiving addresses'))
puts(colored.cyan('3: Send funds (more options here)'))
if wallet_obj.private_key:
with indent(2):
puts(colored.cyan('0: Dump private keys and addresses (advanced users only)'))
else:
with indent(2):
puts(colored.cyan('0: Dump addresses (advanced users only)'))
choice = choice_prompt(
user_prompt=DEFAULT_PROMPT,
acceptable_responses=range(0, 3+1),
quit_ok=True,
default_input='1',
)
verbose_print('Choice: %s' % choice)
if choice in ('q', 'Q'):
puts(colored.green('Thanks for using bcwallet!'))
break
elif choice == '1':
display_recent_txs(wallet_obj=wallet_obj)
elif choice == '2':
display_new_receiving_addresses(wallet_obj=wallet_obj)
elif choice == '3':
send_chooser(wallet_obj=wallet_obj)
elif choice == '0':
dump_private_keys_or_addrs_chooser(wallet_obj=wallet_obj)
def wallet_overview(request, coin_symbol, pubkey):
subchain_indices = request.GET.get('subchain-indices')
if subchain_indices:
subchain_indices = subchain_indices.split('-')
if subchain_indices == ['']:
subchain_indices = []
else:
subchain_indices = [int(x) for x in subchain_indices]
# TODO: confirm it's a pubkey and not a privkey
TXNS_PER_PAGE = 100
# 1 indexed page
current_page = request.GET.get('page')
if current_page:
current_page = int(current_page)
else:
current_page = 1
# transaction pagination: 0-indexed and inclusive
tx_start_num = (current_page - 1) * TXNS_PER_PAGE
tx_end_num = current_page * TXNS_PER_PAGE - 1
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=pubkey, subchain_indices=subchain_indices)
# TODO: could store in DB whether created or not
create_hd_wallet(
wallet_name=wallet_name,
xpubkey=pubkey,
api_key=BLOCKCYPHER_API_KEY,
subchain_indices=subchain_indices,
coin_symbol=coin_symbol,
)
wallet_details = get_wallet_details(
wallet_name=wallet_name,
coin_symbol=coin_symbol,
txn_limit=TXNS_PER_PAGE,
api_key=BLOCKCYPHER_API_KEY,
)
#import pprint; pprint.pprint(wallet_details, width=1)
assert 'error' not in wallet_details, wallet_details
all_transactions = wallet_details.get(
'unconfirmed_txrefs', []) + wallet_details.get('txrefs', [])
# filter address details for pagination. HACK!
all_transactions = all_transactions[tx_start_num:tx_end_num]
return {
'is_wallet_page':
True, # shared template
'coin_symbol':
coin_symbol,
'pubkey':
pubkey,
'subchain_indices':
subchain_indices,
'current_page':
current_page,
'max_pages':
get_max_pages(num_items=wallet_details['final_n_tx'],
items_per_page=TXNS_PER_PAGE),
'total_sent_satoshis':
wallet_details['total_sent'],
'total_received_satoshis':
wallet_details['total_received'],
'unconfirmed_balance_satoshis':
wallet_details['unconfirmed_balance'],
'confirmed_balance_satoshis':
wallet_details['balance'],
'total_balance_satoshis':
wallet_details['final_balance'],
'all_transactions':
all_transactions,
'num_confirmed_txns':
wallet_details['n_tx'],
'num_unconfirmed_txns':
wallet_details['unconfirmed_n_tx'],
'num_all_txns':
wallet_details['final_n_tx'],
}
