50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
import operator
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import six
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from .transaction import Transaction
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class Block(object):
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"""
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A Monero block. Identified by `hash` (optionaly by `height`).
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This class is not intended to be turned into objects by the user,
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it is used by backends.
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"""
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hash = None
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height = None
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timestamp = None
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version = None
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difficulty = None
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nonce = None
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orphan = False
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prev_hash = None
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reward = None
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blob = None
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transactions = None
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def __init__(self, **kwargs):
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for k in ('hash', 'height', 'timestamp', 'version', 'difficulty', 'nonce', 'prev_hash', 'reward'):
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setattr(self, k, kwargs.get(k, getattr(self, k)))
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self.orphan = kwargs.get('orphan', self.orphan)
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self.transactions = kwargs.get('transactions', self.transactions or [])
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self.blob = kwargs.get('blob', self.blob)
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def __eq__(self, other):
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if isinstance(other, Block):
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return self.hash == other.hash
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elif isinstance(other, six.string_types):
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return six.ensure_text(self.hash) == six.ensure_text(other)
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return super(Block, self).__eq__(other)
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def __contains__(self, tx):
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if isinstance(tx, six.string_types):
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txid = tx
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elif isinstance(tx, Transaction):
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txid = tx.hash
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else:
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raise ValueError(
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"Only Transaction or hash strings may be used to test existence in Blocks, "
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"got '{:s}'".format(tx))
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return txid in map(operator.attrgetter('hash'), self.transactions)
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