eth-token-index/python/eth_token_index/runnable/add.py

90 lines
2.7 KiB
Python

"""Adds a new token to the token symbol index
.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
"""
# standard imports
import sys
import os
import json
import argparse
import logging
import hashlib
# external imports
import chainlib.eth.cli
from chainlib.chain import ChainSpec
from chainlib.eth.tx import receipt
from eth_erc20 import ERC20
from chainlib.eth.address import to_checksum_address
from hexathon import add_0x
# local imports
from eth_token_index import TokenUniqueSymbolIndex
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
arg_flags = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC
argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
argparser.add_argument('token_address', type=str, help='Token address to add to index')
args = argparser.parse_args()
extra_args = {
'token_address': None,
}
config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, default_fee_limit=TokenUniqueSymbolIndex.gas())
wallet = chainlib.eth.cli.Wallet()
wallet.from_config(config)
rpc = chainlib.eth.cli.Rpc(wallet=wallet)
conn = rpc.connect_by_config(config)
chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
def main():
signer = rpc.get_signer()
signer_address = rpc.get_sender_address()
gas_oracle = rpc.get_gas_oracle()
nonce_oracle = rpc.get_nonce_oracle()
c = TokenUniqueSymbolIndex(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle)
token_address = to_checksum_address(config.get('_TOKEN_ADDRESS'))
if not config.true('_UNSAFE') and token_address != add_0x(config.get('_TOKEN_ADDRESS')):
raise ValueError('invalid checksum address for token_address')
contract_address = to_checksum_address(config.get('_EXEC_ADDRESS'))
if not config.true('_UNSAFE') and contract_address != add_0x(config.get('_EXEC_ADDRESS')):
raise ValueError('invalid checksum address for contract')
(tx_hash_hex, o) = c.register(contract_address, signer_address, token_address)
if config.get('_RPC_SEND'):
conn.do(o)
if config.get('_WAIT'):
r = conn.wait(tx_hash_hex)
if r['status'] == 0:
sys.stderr.write('EVM revert while deploying contract. Wish I had more to tell you')
sys.exit(1)
c = ERC20(chain_spec)
o = c.symbol(token_address)
r = conn.do(o)
token_symbol = ERC20.parse_symbol(r)
logg.info('added token {} at {} to token index {}'.format(token_symbol, token_address, contract_address))
print(tx_hash_hex)
else:
print(o)
if __name__ == '__main__':
main()