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add data filter
This commit is contained in:
lash
parent
4dfe6be170
commit
c4e2dc37f3
GPG Key ID:
21D2E7BB88C2A746
@ -1,3 +1,7 @@
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- 0.3.1
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* Add data filter
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- 0.3.0
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* Reimplement on shep/chainsyncer 0.3.0
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- 0.2.1
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* Implement --keep-alive flag
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- 0.2.0
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@ -1,6 +1,12 @@
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# standard imports
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import sys
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import logging
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import datetime
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# external imports
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from hexathon import (
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strip_0x,
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)
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# local imports
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from .base import RuledFilter
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@ -61,7 +67,18 @@ class OutFilter(RuledFilter):
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data = data[:8] + '...'
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if len(data) > 0:
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data = 'data {}'.format(data)
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s = '{} {} {} {}'.format(self.c, block, tx, data)
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#s = '{} {} {} {}'.format(self.c, block, tx, data)
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tx_count = len(block.txs)
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s = '{} {} block {} {} tx {}/{} {} {}'.format(
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self.c,
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datetime.datetime.fromtimestamp(block.timestamp),
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block.number,
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strip_0x(block.hash),
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tx.index,
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tx_count,
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strip_0x(tx.hash),
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data,
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)
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self.w.write(s + '\n')
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self.c += 1
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@ -8,6 +8,36 @@ from chainlib.eth.address import is_same_address
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logg = logging.getLogger()
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class RuleMethod:
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def __init__(self, methods, description=None):
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self.methods = methods
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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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def check(self, sender, recipient, data, tx_hash):
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if len(self.methods) == 0:
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return False
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for method in self.methods:
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l = len(method)
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if len(method) > len(data):
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continue
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if data[:l] == method:
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logg.debug('tx {} rule {} match in DATA {}'.format(tx_hash, self.description, method))
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return True
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return False
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def __str__(self):
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return 'Method ' + self.description + ' {}'.format(
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self.methods,
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)
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class RuleSimple:
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def __init__(self, outputs, inputs, executables, description=None):
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@ -19,18 +49,18 @@ class RuleSimple:
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self.executables = executables
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def check(self, sender, recipient, tx_hash):
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def check(self, sender, recipient, data, 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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logg.debug('tx {} rule {} match in SENDER {}'.format(tx_hash, self.description, 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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logg.debug('tx {} rule {} match in RECIPIENT {}'.format(tx_hash, self.description, 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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logg.debug('tx {} rule {} match in EXECUTABLE {}'.format(tx_hash, self.description, recipient))
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return True
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@ -57,24 +87,25 @@ class AddressRules:
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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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logg.info('cache filter added INCLUDE 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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return self.apply_rules_addresses(tx.outputs[0], tx.inputs[0], tx.payload, tx.hash)
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def apply_rules_addresses(self, sender, recipient, tx_hash):
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# TODO: rename
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def apply_rules_addresses(self, sender, recipient, data, 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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if rule.check(sender, recipient, data, 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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if rule.check(sender, recipient, data, 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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@ -30,6 +30,7 @@ from eth_monitor.filters.cache import Filter as CacheFilter
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from eth_monitor.rules import (
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AddressRules,
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RuleSimple,
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RuleMethod,
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)
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from eth_monitor.filters import RuledFilter
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from eth_monitor.filters.out import OutFilter
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@ -61,6 +62,8 @@ argparser.add_argument('--keep-alive', action='store_true', dest='keep_alive', h
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argparser.add_argument('--input', default=[], action='append', type=str, help='Add input (recipient) addresses to includes list')
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argparser.add_argument('--output', default=[], action='append', type=str, help='Add output (sender) addresses to includes list')
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argparser.add_argument('--exec', default=[], action='append', type=str, help='Add exec (contract) addresses to includes list')
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argparser.add_argument('--data', default=[], action='append', type=str, help='Add data strings to include list')
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argparser.add_argument('--x-data', default=[], action='append', dest='xdata', type=str, help='Add data strings to exclude list')
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argparser.add_argument('--address', default=[], action='append', type=str, help='Add addresses as input, output and exec to includes list')
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argparser.add_argument('--x-input', default=[], action='append', type=str, dest='xinput', help='Add input (recipient) addresses to excludes list')
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argparser.add_argument('--x-output', default=[], action='append', type=str, dest='xoutput', help='Add output (sender) addresses to excludes list')
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@ -155,10 +158,23 @@ def setup_address_arg_rules(rules, args):
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exclude_outputs.append(address)
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exclude_exec.append(address)
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includes = RuleSimple(include_outputs, include_inputs, include_exec)
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includes = RuleSimple(include_outputs, include_inputs, include_exec, description='INCLUDE')
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rules.include(includes)
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excludes = RuleSimple(exclude_outputs, exclude_inputs, exclude_exec)
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excludes = RuleSimple(exclude_outputs, exclude_inputs, exclude_exec, description='EXCLUDE')
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rules.exclude(excludes)
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return rules
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def setup_data_arg_rules(rules, args):
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include_data = args.data
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exclude_data = args.xdata
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includes = RuleMethod(include_data, description='INCLUDE')
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rules.include(includes)
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excludes = RuleMethod(exclude_data, description='EXCLUDE')
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rules.exclude(excludes)
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return rules
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@ -301,6 +317,10 @@ def main():
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block_limit = block_offset
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address_rules = AddressRules(include_by_default=args.include_default)
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address_rules = setup_data_arg_rules(
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address_rules,
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args,
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)
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address_rules = setup_address_file_rules(
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address_rules,
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includes_file=args.includes_file,
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