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https://git.wownero.com/lza_menace/wownero-python.git
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62 lines
2 KiB
Python
62 lines
2 KiB
Python
from decimal import Decimal
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import sys
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PICONERO = Decimal('0.000000000001')
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if sys.version_info < (3,):
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_integer_types = (int, long,)
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_str_types = (str, bytes, unicode)
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else:
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_integer_types = (int,)
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_str_types = (str, bytes)
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def to_atomic(amount):
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"""Convert Monero decimal to atomic integer of piconero."""
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return int(amount * 10**12)
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def from_atomic(amount):
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"""Convert atomic integer of piconero to Monero decimal."""
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return (Decimal(amount) * PICONERO).quantize(PICONERO)
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def as_monero(amount):
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"""Return the amount rounded to maximal Monero precision."""
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return Decimal(amount).quantize(PICONERO)
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class PaymentID(object):
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_payment_id = None
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def __init__(self, payment_id):
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if isinstance(payment_id, PaymentID):
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payment_id = int(payment_id)
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if isinstance(payment_id, _str_types):
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payment_id = int(payment_id, 16)
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elif not isinstance(payment_id, _integer_types):
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raise TypeError("payment_id must be either int or hexadecimal str or bytes, "
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"is {0}".format(type(payment_id)))
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if payment_id.bit_length() > 256:
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raise ValueError("payment_id {0} is more than 256 bits long".format(payment_id))
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self._payment_id = payment_id
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def is_short(self):
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"""Returns True if payment ID is short enough to be included
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in Integrated Address."""
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return self._payment_id.bit_length() <= 64
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def __repr__(self):
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if self.is_short():
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return "{:016x}".format(self._payment_id)
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return "{:064x}".format(self._payment_id)
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def __int__(self):
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return self._payment_id
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def __eq__(self, other):
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if isinstance(other, PaymentID):
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return int(self) == int(other)
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elif isinstance(other, _integer_types):
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return int(self) == other
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elif isinstance(other, _str_types):
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return str(self) == other
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return super(PaymentID, self).__eq__(other)
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