mirror of git://holbrook.no/eth-monitor.git
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
# standard imports
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import logging
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import uuid
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# external imports
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from chainlib.eth.address import is_same_address
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logg = logging.getLogger()
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class RuleSimple:
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def __init__(self, outputs, inputs, executables, description=None):
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self.description = description
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if self.description == None:
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self.description = str(uuid.uuid4())
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self.outputs = outputs
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self.inputs = inputs
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self.executables = executables
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def check(self, sender, recipient, tx_hash):
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for rule in self.outputs:
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if rule != None and is_same_address(sender, rule):
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logg.debug('tx {} rule INCLUDE match in SENDER {}'.format(tx_hash, sender))
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return True
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for rule in self.inputs:
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if rule != None and is_same_address(recipient, rule):
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logg.debug('tx {} rule INCLUDE match in RECIPIENT {}'.format(tx_hash, recipient))
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return True
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for rule in self.executables:
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if rule != None and is_same_address(recipient, rule):
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logg.debug('tx {} rule INCLUDE match in ExECUTABLE {}'.format(tx_hash, recipient))
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return True
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def __str__(self):
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return 'Simple ' + self.description + ' outputs {} inputs {} execs {}'.format(
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self.outputs,
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self.inputs,
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self.executables,
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)
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class AddressRules:
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def __init__(self, include_by_default=False):
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self.excludes = []
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self.includes = []
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self.include_by_default = include_by_default
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def exclude(self, rule):
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self.excludes.append(rule)
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logg.info('cache filter added EXCLUDE rule {}'.format(rule))
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def include(self, rule):
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self.includes.append(rule)
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logg.info('cache filter added EXCLUDE rule {}'.format(rule))
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def apply_rules(self, tx):
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return self.apply_rules_addresses(tx.outputs[0], tx.inputs[0], tx.hash)
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def apply_rules_addresses(self, sender, recipient, tx_hash):
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v = self.include_by_default
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for rule in self.includes:
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if rule.check(sender, recipient, tx_hash):
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v = True
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logg.info('match in includes rule: {}'.format(rule))
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break
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for rule in self.excludes:
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if rule.check(sender, recipient, tx_hash):
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v = False
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logg.info('match in excludes rule: {}'.format(rule))
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break
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return v
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