wownero-python/monero/transaction.py

172 lines
5.7 KiB
Python
Raw Normal View History

2018-01-29 14:11:53 +00:00
import sys
from .address import address
from .numbers import PaymentID
2018-01-25 07:50:09 +00:00
class Payment(object):
"""
A payment base class, representing payment not associated with any
:class:`Account <monero.account.Account>`.
This class is not intended to be turned into objects by the user,
it is used by backends.
"""
2018-01-25 07:50:09 +00:00
payment_id = None
amount = None
2017-12-27 00:49:59 +00:00
timestamp = None
2018-01-25 07:50:09 +00:00
transaction = None
2018-01-30 08:43:08 +00:00
local_address = None
note = ''
2017-12-27 00:49:59 +00:00
2018-02-05 17:15:29 +00:00
_reprstr = "{} @ {} {:.12f} id={}"
2018-01-25 07:50:09 +00:00
def __init__(self, **kwargs):
2018-01-30 08:43:08 +00:00
self.amount = kwargs.pop('amount', self.amount)
self.timestamp = kwargs.pop('timestamp', self.timestamp)
self.payment_id = kwargs.pop('payment_id', self.payment_id)
self.transaction = kwargs.pop('transaction', self.transaction)
self.local_address = kwargs.pop('local_address', self.local_address)
self.note = kwargs.pop('note', self.note)
if len(kwargs):
raise ValueError("Excessive arguments for {}: {}".format(type(self), kwargs))
2017-12-27 00:49:59 +00:00
2018-01-29 14:11:53 +00:00
def __repr__(self):
2018-02-05 17:15:29 +00:00
return self._reprstr.format(
self.transaction.hash, self.transaction.height or 'pool', self.amount, self.payment_id)
2017-12-27 00:49:59 +00:00
2018-01-22 02:55:08 +00:00
2018-01-29 14:11:53 +00:00
class IncomingPayment(Payment):
"""
An incoming payment (one that increases the balance of an
:class:`Account <monero.account.Account>`)
"""
2018-02-05 17:15:29 +00:00
_reprstr = "in: {} @ {} {:.12f} id={}"
2018-01-22 02:55:08 +00:00
2018-01-25 07:50:09 +00:00
class OutgoingPayment(Payment):
"""
An outgoing payment (one that decreases the balance of an
:class:`Account <monero.account.Account>`)
"""
2018-02-05 17:15:29 +00:00
_reprstr = "out: {} @ {} {:.12f} id={}"
2017-12-27 00:49:59 +00:00
2018-01-25 07:50:09 +00:00
class Transaction(object):
"""
A Monero transaction. Identified by `hash`, it can be a part of a block of some `height`
or not yet mined (`height` is `None` then).
This class is not intended to be turned into objects by the user,
it is used by backends.
"""
2018-01-25 07:50:09 +00:00
hash = None
fee = None
height = None
timestamp = None
2017-12-27 00:49:59 +00:00
key = None
2018-01-25 07:50:09 +00:00
blob = None
2017-12-27 00:49:59 +00:00
def __init__(self, **kwargs):
2018-01-25 07:50:09 +00:00
self.hash = kwargs.get('hash', self.hash)
self.fee = kwargs.get('fee', self.fee)
self.height = kwargs.get('height', self.height)
self.timestamp = kwargs.get('timestamp', self.timestamp)
2017-12-27 00:49:59 +00:00
self.key = kwargs.get('key', self.key)
2018-01-25 07:50:09 +00:00
self.blob = kwargs.get('blob', self.blob)
2018-01-29 14:11:53 +00:00
def __repr__(self):
return self.hash
if sys.version_info < (3,):
_str_types = (str, bytes, unicode)
else:
_str_types = (str, bytes)
class PaymentManager(object):
"""
A payment query manager, handling either incoming or outgoing payments of
an :class:`Account <monero.account.Account>`.
This class is not intended to be turned into objects by the user,
it is used by backends.
"""
2018-01-29 14:11:53 +00:00
account_idx = 0
backend = None
def __init__(self, account_idx, backend, direction):
self.account_idx = account_idx
self.backend = backend
self.direction = direction
def __call__(self, **filterparams):
fetch = self.backend.transfers_in if self.direction == 'in' else self.backend.transfers_out
return fetch(self.account_idx, PaymentFilter(**filterparams))
class PaymentFilter(object):
"""
A helper class that filters payments retrieved by the backend.
This class is not intended to be turned into objects by the user,
it is used by backends.
"""
2018-01-29 14:11:53 +00:00
def __init__(self, **filterparams):
self.min_height = filterparams.pop('min_height', None)
self.max_height = filterparams.pop('max_height', None)
self.unconfirmed = filterparams.pop('unconfirmed', False)
self.confirmed = filterparams.pop('confirmed', True)
2018-01-30 08:43:08 +00:00
_local_address = filterparams.pop('local_address', None)
2018-01-29 14:11:53 +00:00
_payment_id = filterparams.pop('payment_id', None)
if len(filterparams) > 0:
2018-01-30 08:43:08 +00:00
raise ValueError("Excessive arguments for payment query: {}".format(filterparams))
2018-01-29 14:11:53 +00:00
2018-01-30 08:43:08 +00:00
if _local_address is None:
self.local_addresses = []
2018-01-29 14:11:53 +00:00
else:
2018-01-30 08:43:08 +00:00
if isinstance(_local_address, _str_types):
local_addresses = [_local_address]
2018-01-29 14:11:53 +00:00
else:
try:
2018-01-30 08:43:08 +00:00
iter(_local_address)
local_addresses = _local_address
2018-01-29 14:11:53 +00:00
except TypeError:
2018-01-30 08:43:08 +00:00
local_addresses = [_local_address]
self.local_addresses = list(map(address, local_addresses))
2018-01-29 14:11:53 +00:00
if _payment_id is None:
self.payment_ids = []
else:
if isinstance(_payment_id, _str_types):
payment_ids = [_payment_id]
else:
try:
iter(_payment_id)
payment_ids = _payment_id
except TypeError:
payment_ids = [_payment_id]
self.payment_ids = list(map(PaymentID, payment_ids))
def check(self, payment):
ht = payment.transaction.height
if ht is None:
if not self.unconfirmed:
return False
if self.min_height is not None or self.max_height is not None:
# mempool txns are filtered out if any height range check is present
return False
else:
if not self.confirmed:
return False
if self.min_height is not None and ht < self.min_height:
return False
if self.max_height is not None and ht > self.max_height:
return False
if self.payment_ids and payment.payment_id not in self.payment_ids:
return False
2018-01-30 08:43:08 +00:00
if self.local_addresses and payment.local_address not in self.local_addresses:
2018-01-29 14:11:53 +00:00
return False
return True
def filter(self, payments):
return filter(self.check, payments)