# standard imports import os import sys import logging import time import argparse import sys import re import hashlib import csv import json # external imports import eth_abi import confini from hexathon import ( strip_0x, add_0x, ) from chainsyncer.backend.memory import MemBackend from chainsyncer.driver.head import HeadSyncer from chainlib.eth.connection import EthHTTPConnection from chainlib.eth.block import ( block_latest, block_by_number, Block, ) from chainlib.eth.tx import ( receipt, Tx, ) from chainlib.interface import ChainInterface from chainlib.hash import keccak256_string_to_hex from chainlib.eth.address import to_checksum_address from chainlib.eth.gas import OverrideGasOracle from chainlib.eth.nonce import RPCNonceOracle from chainlib.eth.tx import TxFactory from chainlib.jsonrpc import JSONRPCRequest from chainlib.eth.error import EthException from chainlib.chain import ChainSpec from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer from crypto_dev_signer.keystore.dict import DictKeystore from cic_types.models.person import Person from eth_erc20 import ERC20 logging.basicConfig(level=logging.WARNING) logg = logging.getLogger() config_dir = './config' argparser = argparse.ArgumentParser(description='daemon that monitors transactions in new blocks') argparser.add_argument('-p', '--provider', dest='p', type=str, help='chain rpc provider address') argparser.add_argument('-y', '--key-file', dest='y', type=str, help='Ethereum keystore file to use for signing') argparser.add_argument('-c', type=str, default=config_dir, help='config root to use') argparser.add_argument('--old-chain-spec', type=str, dest='old_chain_spec', default='evm:oldchain:1', help='chain spec') argparser.add_argument('-i', '--chain-spec', type=str, dest='i', help='chain spec') argparser.add_argument('-r', '--registry-address', type=str, dest='r', help='CIC Registry address') argparser.add_argument('--token-symbol', default='SRF', type=str, dest='token_symbol', help='Token symbol to use for trnsactions') argparser.add_argument('--head', action='store_true', help='start at current block height (overrides --offset)') 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') argparser.add_argument('-q', type=str, default='cic-eth', help='celery queue to submit transaction tasks to') argparser.add_argument('--offset', type=int, default=0, help='block offset to start syncer from') argparser.add_argument('-v', help='be verbose', action='store_true') argparser.add_argument('-vv', help='be more verbose', action='store_true') argparser.add_argument('user_dir', type=str, help='user export directory') args = argparser.parse_args(sys.argv[1:]) if args.v == True: logging.getLogger().setLevel(logging.INFO) elif args.vv == True: logging.getLogger().setLevel(logging.DEBUG) config_dir = os.path.join(args.c) os.makedirs(config_dir, 0o777, True) config = confini.Config(config_dir, args.env_prefix) config.process() # override args args_override = { 'CIC_CHAIN_SPEC': getattr(args, 'i'), 'ETH_PROVIDER': getattr(args, 'p'), 'CIC_REGISTRY_ADDRESS': getattr(args, 'r'), 'KEYSTORE_FILE_PATH': getattr(args, 'y') } config.dict_override(args_override, 'cli flag') config.censor('PASSWORD', 'DATABASE') config.censor('PASSWORD', 'SSL') logg.debug('config loaded from {}:\n{}'.format(config_dir, config)) #app = celery.Celery(backend=config.get('CELERY_RESULT_URL'), broker=config.get('CELERY_BROKER_URL')) signer_address = None keystore = DictKeystore() if args.y != None: logg.debug('loading keystore file {}'.format(args.y)) signer_address = keystore.import_keystore_file(args.y) logg.debug('now have key for signer address {}'.format(signer_address)) signer = EIP155Signer(keystore) queue = args.q chain_str = config.get('CIC_CHAIN_SPEC') block_offset = 0 if args.head: block_offset = -1 else: block_offset = args.offset chain_spec = ChainSpec.from_chain_str(chain_str) old_chain_spec_str = args.old_chain_spec old_chain_spec = ChainSpec.from_chain_str(old_chain_spec_str) user_dir = args.user_dir # user_out_dir from import_users.py token_symbol = args.token_symbol class EthChainInterface(ChainInterface): def __init__(self): self._tx_receipt = receipt self._block_by_number = block_by_number self._block_from_src = Block.from_src self._src_normalize = Tx.src_normalize chain_interface = EthChainInterface() class Handler: account_index_add_signature = keccak256_string_to_hex('add(address)')[:8] def __init__(self, conn, chain_spec, user_dir, balances, token_address, signer, gas_oracle, nonce_oracle): self.token_address = token_address self.user_dir = user_dir self.balances = balances self.chain_spec = chain_spec self.tx_factory = ERC20(chain_spec, signer, gas_oracle, nonce_oracle) def name(self): return 'balance_handler' def filter(self, conn, block, tx, db_session): if tx.payload == None or len(tx.payload) == 0: logg.debug('no payload, skipping {}'.format(tx)) return if tx.payload[:8] == self.account_index_add_signature: recipient = eth_abi.decode_single('address', bytes.fromhex(tx.payload[-64:])) #original_address = to_checksum_address(self.addresses[to_checksum_address(recipient)]) user_file = 'new/{}/{}/{}.json'.format( recipient[2:4].upper(), recipient[4:6].upper(), recipient[2:].upper(), ) filepath = os.path.join(self.user_dir, user_file) o = None try: f = open(filepath, 'r') o = json.load(f) f.close() except FileNotFoundError: logg.error('no import record of address {}'.format(recipient)) return u = Person.deserialize(o) original_address = u.identities[old_chain_spec.engine()]['{}:{}'.format(old_chain_spec.common_name(), old_chain_spec.network_id())][0] try: balance = self.balances[original_address] except KeyError as e: logg.error('balance get fail orig {} new {}'.format(original_address, recipient)) return # TODO: store token object in handler ,get decimals from there multiplier = 10**6 balance_full = balance * multiplier logg.info('registered {} originally {} ({}) tx hash {} balance {}'.format(recipient, original_address, u, tx.hash, balance_full)) (tx_hash_hex, o) = self.tx_factory.transfer(self.token_address, signer_address, recipient, balance_full) logg.info('submitting erc20 transfer tx {} for recipient {}'.format(tx_hash_hex, recipient)) r = conn.do(o) tx_path = os.path.join( user_dir, 'txs', strip_0x(tx_hash_hex), ) f = open(tx_path, 'w') f.write(strip_0x(o['params'][0])) f.close() # except TypeError as e: # logg.warning('typerror {}'.format(e)) # pass # except IndexError as e: # logg.warning('indexerror {}'.format(e)) # pass # except EthException as e: # logg.error('send error {}'.format(e).ljust(200)) #except KeyError as e: # logg.error('key record not found in imports: {}'.format(e).ljust(200)) #class BlockGetter: # # def __init__(self, conn, gas_oracle, nonce_oracle, chain_spec): # self.conn = conn # self.tx_factory = ERC20(signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle, chain_id=chain_id) # # # def get(self, n): # o = block_by_number(n) # r = self.conn.do(o) # b = None # try: # b = Block(r) # except TypeError as e: # if r == None: # logg.debug('block not found {}'.format(n)) # else: # logg.error('block retrieve error {}'.format(e)) # return b def progress_callback(block_number, tx_index): sys.stdout.write(str(block_number).ljust(200) + "\n") def main(): global chain_str, block_offset, user_dir conn = EthHTTPConnection(config.get('ETH_PROVIDER')) gas_oracle = OverrideGasOracle(conn=conn, limit=8000000) nonce_oracle = RPCNonceOracle(signer_address, conn) # Get Token registry address txf = TxFactory(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=None) tx = txf.template(signer_address, config.get('CIC_REGISTRY_ADDRESS')) registry_addressof_method = keccak256_string_to_hex('addressOf(bytes32)')[:8] data = add_0x(registry_addressof_method) data += eth_abi.encode_single('bytes32', b'TokenRegistry').hex() txf.set_code(tx, data) j = JSONRPCRequest() o = j.template() o['method'] = 'eth_call' o['params'].append(txf.normalize(tx)) o['params'].append('latest') o = j.finalize(o) r = conn.do(o) token_index_address = to_checksum_address(eth_abi.decode_single('address', bytes.fromhex(strip_0x(r)))) logg.info('found token index address {}'.format(token_index_address)) # Get Sarafu token address tx = txf.template(signer_address, token_index_address) data = add_0x(registry_addressof_method) h = hashlib.new('sha256') h.update(token_symbol.encode('utf-8')) z = h.digest() data += eth_abi.encode_single('bytes32', z).hex() txf.set_code(tx, data) o = j.template() o['method'] = 'eth_call' o['params'].append(txf.normalize(tx)) o['params'].append('latest') o = j.finalize(o) r = conn.do(o) try: sarafu_token_address = to_checksum_address(eth_abi.decode_single('address', bytes.fromhex(strip_0x(r)))) except ValueError as e: logg.critical('lookup failed for token {}: {}'.format(token_symbol, e)) sys.exit(1) logg.info('found token address {}'.format(sarafu_token_address)) syncer_backend = MemBackend(chain_str, 0) if block_offset == -1: o = block_latest() r = conn.do(o) block_offset = int(strip_0x(r), 16) + 1 # # addresses = {} # f = open('{}/addresses.csv'.format(user_dir, 'r')) # while True: # l = f.readline() # if l == None: # break # r = l.split(',') # try: # k = r[0] # v = r[1].rstrip() # addresses[k] = v # sys.stdout.write('loading address mapping {} -> {}'.format(k, v).ljust(200) + "\r") # except IndexError as e: # break # f.close() # TODO get decimals from token balances = {} f = open('{}/balances.csv'.format(user_dir, 'r')) remove_zeros = 10**6 i = 0 while True: l = f.readline() if l == None: break r = l.split(',') try: address = to_checksum_address(r[0]) sys.stdout.write('loading balance {} {} {}'.format(i, address, r[1]).ljust(200) + "\r") except ValueError: break balance = int(int(r[1].rstrip()) / remove_zeros) balances[address] = balance i += 1 f.close() syncer_backend.set(block_offset, 0) syncer = HeadSyncer(syncer_backend, chain_interface, block_callback=progress_callback) handler = Handler(conn, chain_spec, user_dir, balances, sarafu_token_address, signer, gas_oracle, nonce_oracle) syncer.add_filter(handler) syncer.loop(1, conn) if __name__ == '__main__': main()