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# Copyright 2014-2022 Vincent Texier <vit@free.fr>
#
# DuniterPy is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# DuniterPy is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from typing import Any, Union
from duniterpy.grammars.output import CLTV, CSV, SIG, XHX, Condition
def output_available(
condition: Condition, comparison: Any, value: Union[str, int]
) -> bool:
"""
Check if output source is available
Currently only handle unique condition without composition
operator.lt(a, b) is equivalent to a < b
operator.le(a, b) is equivalent to a <= b
operator.gt(a, b) is equivalent to a > b
operator.ge(a, b) is equivalent to a >= b
"""
if isinstance(condition.left, SIG):
return comparison(condition.left.pubkey, value)
if isinstance(condition.left, CSV):
return comparison(int(condition.left.time), value)
if isinstance(condition.left, CLTV):
return comparison(int(condition.left.timestamp), value)
if isinstance(condition.left, XHX):
return comparison(condition.left.sha_hash, value)
return False
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