296 lines
10 KiB
Python
296 lines
10 KiB
Python
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# standard imports
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import os
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import sys
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import logging
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import time
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import argparse
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import sys
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import re
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import hashlib
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import csv
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import json
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# third-party impotts
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import eth_abi
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import confini
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from hexathon import (
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strip_0x,
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add_0x,
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)
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from chainsyncer.backend import MemBackend
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from chainsyncer.driver import HeadSyncer
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from chainlib.eth.connection import HTTPConnection
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from chainlib.eth.block import (
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block_latest,
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block_by_number,
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Block,
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)
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from chainlib.eth.hash import keccak256_string_to_hex
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from chainlib.eth.address import to_checksum
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from chainlib.eth.erc20 import ERC20TxFactory
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from chainlib.eth.gas import DefaultGasOracle
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from chainlib.eth.nonce import DefaultNonceOracle
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from chainlib.eth.tx import TxFactory
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from chainlib.eth.rpc import jsonrpc_template
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from chainlib.eth.error import EthException
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from chainlib.chain import ChainSpec
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from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
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from crypto_dev_signer.keystore import DictKeystore
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from cic_types.models.person import Person
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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config_dir = '/usr/local/etc/cic-syncer'
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argparser = argparse.ArgumentParser(description='daemon that monitors transactions in new blocks')
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argparser.add_argument('-p', '--provider', dest='p', type=str, help='chain rpc provider address')
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argparser.add_argument('-y', '--key-file', dest='y', type=str, help='Ethereum keystore file to use for signing')
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argparser.add_argument('-c', type=str, default=config_dir, help='config root to use')
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argparser.add_argument('--old-chain-spec', type=str, dest='old_chain_spec', default='oldchain:1', help='chain spec')
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argparser.add_argument('-i', '--chain-spec', type=str, dest='i', help='chain spec')
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argparser.add_argument('-r', '--registry-address', type=str, dest='r', help='CIC Registry address')
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argparser.add_argument('--token-symbol', default='SRF', type=str, dest='token_symbol', help='Token symbol to use for trnsactions')
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argparser.add_argument('--head', action='store_true', help='start at current block height (overrides --offset)')
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argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
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argparser.add_argument('-q', type=str, default='cic-eth', help='celery queue to submit transaction tasks to')
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argparser.add_argument('--offset', type=int, default=0, help='block offset to start syncer from')
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argparser.add_argument('-v', help='be verbose', action='store_true')
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argparser.add_argument('-vv', help='be more verbose', action='store_true')
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argparser.add_argument('user_dir', type=str, help='user export directory')
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args = argparser.parse_args(sys.argv[1:])
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if args.v == True:
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logging.getLogger().setLevel(logging.INFO)
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elif args.vv == True:
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logging.getLogger().setLevel(logging.DEBUG)
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config_dir = os.path.join(args.c)
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os.makedirs(config_dir, 0o777, True)
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config = confini.Config(config_dir, args.env_prefix)
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config.process()
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# override args
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args_override = {
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'CIC_CHAIN_SPEC': getattr(args, 'i'),
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'ETH_PROVIDER': getattr(args, 'p'),
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'CIC_REGISTRY_ADDRESS': getattr(args, 'r'),
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}
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config.dict_override(args_override, 'cli flag')
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config.censor('PASSWORD', 'DATABASE')
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config.censor('PASSWORD', 'SSL')
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logg.debug('config loaded from {}:\n{}'.format(config_dir, config))
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#app = celery.Celery(backend=config.get('CELERY_RESULT_URL'), broker=config.get('CELERY_BROKER_URL'))
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signer_address = None
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keystore = DictKeystore()
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if args.y != None:
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logg.debug('loading keystore file {}'.format(args.y))
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signer_address = keystore.import_keystore_file(args.y)
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logg.debug('now have key for signer address {}'.format(signer_address))
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signer = EIP155Signer(keystore)
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queue = args.q
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chain_str = config.get('CIC_CHAIN_SPEC')
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block_offset = 0
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if args.head:
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block_offset = -1
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else:
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block_offset = args.offset
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chain_spec = ChainSpec.from_chain_str(chain_str)
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old_chain_spec_str = args.old_chain_spec
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user_dir = args.user_dir # user_out_dir from import_users.py
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token_symbol = args.token_symbol
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class Handler:
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account_index_add_signature = keccak256_string_to_hex('add(address)')[:8]
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def __init__(self, conn, chain_spec, user_dir, balances, token_address, signer, gas_oracle, nonce_oracle):
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self.token_address = token_address
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self.user_dir = user_dir
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self.balances = balances
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self.chain_spec = chain_spec
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self.tx_factory = ERC20TxFactory(signer, gas_oracle, nonce_oracle, chain_spec.network_id())
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def name(self):
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return 'balance_handler'
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def filter(self, conn, block, tx, db_session):
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if tx.payload == None or len(tx.payload) == 0:
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logg.debug('no payload, skipping {}'.format(tx))
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return
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if tx.payload[:8] == self.account_index_add_signature:
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recipient = eth_abi.decode_single('address', bytes.fromhex(tx.payload[-64:]))
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#original_address = to_checksum(self.addresses[to_checksum(recipient)])
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user_file = 'new/{}/{}/{}.json'.format(
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recipient[2:4].upper(),
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recipient[4:6].upper(),
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recipient[2:].upper(),
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)
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filepath = os.path.join(self.user_dir, user_file)
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o = None
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try:
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f = open(filepath, 'r')
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o = json.load(f)
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f.close()
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except FileNotFoundError:
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logg.error('no import record of address {}'.format(recipient))
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return
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u = Person.deserialize(o)
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original_address = u.identities['evm'][old_chain_spec_str][0]
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balance = self.balances[original_address]
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# TODO: store token object in handler ,get decimals from there
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multiplier = 10**6
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balance_full = balance * multiplier
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logg.info('registered {} originally {} ({}) tx hash {} balance {}'.format(recipient, original_address, u, tx.hash, balance_full))
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(tx_hash_hex, o) = self.tx_factory.erc20_transfer(self.token_address, signer_address, recipient, balance_full)
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logg.info('submitting erc20 transfer tx {} for recipient {}'.format(tx_hash_hex, recipient))
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r = conn.do(o)
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# except TypeError as e:
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# logg.warning('typerror {}'.format(e))
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# pass
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# except IndexError as e:
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# logg.warning('indexerror {}'.format(e))
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# pass
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# except EthException as e:
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# logg.error('send error {}'.format(e).ljust(200))
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#except KeyError as e:
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# logg.error('key record not found in imports: {}'.format(e).ljust(200))
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class BlockGetter:
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def __init__(self, conn, gas_oracle, nonce_oracle, chain_id):
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self.conn = conn
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self.tx_factory = ERC20TxFactory(signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle, chain_id=chain_id)
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def get(self, n):
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o = block_by_number(n)
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r = self.conn.do(o)
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b = None
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try:
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b = Block(r)
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except TypeError as e:
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if r == None:
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logg.debug('block not found {}'.format(n))
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else:
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logg.error('block retrieve error {}'.format(e))
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return b
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def progress_callback(block_number, tx_index, s):
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sys.stdout.write(s.ljust(200) + "\n")
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def main():
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global chain_str, block_offset, user_dir
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conn = HTTPConnection(config.get('ETH_PROVIDER'))
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gas_oracle = DefaultGasOracle(conn)
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nonce_oracle = DefaultNonceOracle(signer_address, conn)
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# Get Token registry address
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txf = TxFactory(signer=signer, gas_oracle=gas_oracle, nonce_oracle=None, chain_id=chain_spec.network_id())
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tx = txf.template(signer_address, config.get('CIC_REGISTRY_ADDRESS'))
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registry_addressof_method = keccak256_string_to_hex('addressOf(bytes32)')[:8]
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data = add_0x(registry_addressof_method)
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data += eth_abi.encode_single('bytes32', b'TokenRegistry').hex()
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txf.set_code(tx, data)
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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o['params'].append(txf.normalize(tx))
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o['params'].append('latest')
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r = conn.do(o)
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token_index_address = to_checksum(eth_abi.decode_single('address', bytes.fromhex(strip_0x(r))))
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logg.info('found token index address {}'.format(token_index_address))
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# Get Sarafu token address
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tx = txf.template(signer_address, token_index_address)
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data = add_0x(registry_addressof_method)
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h = hashlib.new('sha256')
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h.update(token_symbol.encode('utf-8'))
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z = h.digest()
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data += eth_abi.encode_single('bytes32', z).hex()
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txf.set_code(tx, data)
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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o['params'].append(txf.normalize(tx))
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o['params'].append('latest')
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r = conn.do(o)
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try:
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sarafu_token_address = to_checksum(eth_abi.decode_single('address', bytes.fromhex(strip_0x(r))))
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except ValueError as e:
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logg.critical('lookup failed for token {}: {}'.format(token_symbol, e))
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sys.exit(1)
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logg.info('found token address {}'.format(sarafu_token_address))
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syncer_backend = MemBackend(chain_str, 0)
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if block_offset == -1:
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o = block_latest()
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r = conn.do(o)
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block_offset = int(strip_0x(r), 16) + 1
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#
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# addresses = {}
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# f = open('{}/addresses.csv'.format(user_dir, 'r'))
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# while True:
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# l = f.readline()
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# if l == None:
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# break
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# r = l.split(',')
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# try:
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# k = r[0]
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# v = r[1].rstrip()
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# addresses[k] = v
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# sys.stdout.write('loading address mapping {} -> {}'.format(k, v).ljust(200) + "\r")
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# except IndexError as e:
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# break
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# f.close()
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# TODO get decimals from token
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balances = {}
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f = open('{}/balances.csv'.format(user_dir, 'r'))
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remove_zeros = 10**6
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i = 0
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while True:
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l = f.readline()
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if l == None:
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break
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r = l.split(',')
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try:
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address = to_checksum(r[0])
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sys.stdout.write('loading balance {} {} {}'.format(i, address, r[1]).ljust(200) + "\r")
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except ValueError:
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break
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balance = int(int(r[1].rstrip()) / remove_zeros)
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balances[address] = balance
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i += 1
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f.close()
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syncer_backend.set(block_offset, 0)
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syncer = HeadSyncer(syncer_backend, progress_callback=progress_callback)
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handler = Handler(conn, chain_spec, user_dir, balances, sarafu_token_address, signer, gas_oracle, nonce_oracle)
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syncer.add_filter(handler)
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syncer.loop(1, conn)
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if __name__ == '__main__':
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main()
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