mirror of
git://holbrook.no/eth-token-index
synced 2024-09-20 02:27:22 +02:00
134 lines
4.3 KiB
Python
134 lines
4.3 KiB
Python
"""Adds a new token to the token symbol index
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.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
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.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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"""
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# standard imports
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import sys
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import os
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import json
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import argparse
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import logging
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import hashlib
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# external imports
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import chainlib.eth.cli
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from chainlib.chain import ChainSpec
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from eth_erc20 import ERC20
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from chainlib.eth.address import to_checksum_address
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from hexathon import add_0x
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from chainlib.eth.cli.arg import (
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Arg,
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ArgFlag,
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process_args,
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)
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from chainlib.eth.cli.config import (
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Config,
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process_config,
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)
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from chainlib.eth.cli.log import process_log
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from chainlib.eth.settings import process_settings
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from chainlib.settings import ChainSettings
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from chainlib.eth.address import is_same_address
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from chainlib.eth.constant import ZERO_ADDRESS
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# local imports
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from eth_token_index import TokenUniqueSymbolIndex
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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default_format = 'terminal'
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script_dir = os.path.dirname(__file__)
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data_dir = os.path.join(script_dir, '..', 'data')
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arg_flags = ArgFlag()
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arg = Arg(arg_flags)
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flags = arg_flags.STD_READ | arg_flags.EXEC
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argparser = chainlib.eth.cli.ArgumentParser()
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argparser.add_argument('token_symbol', type=str, nargs='?', help='Token symbol to return address for')
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argparser = process_args(argparser, arg, flags)
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args = argparser.parse_args()
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logg = process_log(args, logg)
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extra_args = {
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'token_symbol': None,
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}
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#config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, default_fee_limit=TokenUniqueSymbolIndex.gas())
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config = Config()
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config = process_config(config, arg, args, flags, positional_name='token_symbol')
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logg.debug('config loaded:\n{}'.format(config))
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settings = ChainSettings()
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settings = process_settings(settings, config)
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logg.debug('settings loaded:\n{}'.format(settings))
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def out_element(e, w=sys.stdout):
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if config.get('_RAW'):
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w.write(e[1] + '\n')
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else:
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w.write(e[1] + '\t' + e[0] + '\n')
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def element(ifc, conn, contract_address, token_symbol, w=sys.stdout):
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o = ifc.address_of(contract_address, token_symbol)
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r = conn.do(o)
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a = ifc.parse_address_of(r)
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out_element((token_symbol, a), w)
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def ls(ifc, conn, contract_address, token_ifc, w=sys.stdout):
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o = ifc.entry_count(contract_address)
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r = conn.do(o)
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count = ifc.parse_entry_count(r)
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logg.debug('count {}'.format(count))
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for i in range(count):
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o = ifc.entry(contract_address, i)
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r = conn.do(o)
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token_address = ifc.parse_entry(r)
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o = token_ifc.symbol(token_address)
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r = conn.do(o)
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token_symbol = token_ifc.parse_symbol(r)
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o = ifc.address_of(contract_address, token_symbol)
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r = conn.do(o)
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reverse_token_address = ifc.parse_entry(r)
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logg.debug('checking token idx {} symbol {} address {} reverse address {}'.format(i, token_symbol, token_address, reverse_token_address))
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if is_same_address(token_address, ZERO_ADDRESS):
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logg.warning('token idx {} {} was registered with zero-address'.format(i, token_symbol))
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continue
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if is_same_address(reverse_token_address, ZERO_ADDRESS):
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raise ValueError('token idx {} {} has entry but zero-address reverse lookup. Are you using the correct reverse lookup keys?'.format(i, token_symbol))
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if not is_same_address(token_address, reverse_token_address):
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logg.info('token idx {} {} address {} does not match reverse address {}, skipping'.format(i, token_symbol, token_address, reverse_token_address))
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continue
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element(ifc, conn, contract_address, token_symbol, w)
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def main():
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conn = settings.get('CONN')
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token_ifc = ERC20(settings.get('CHAIN_SPEC'))
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ifc = TokenUniqueSymbolIndex(settings.get('CHAIN_SPEC'))
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contract_address = to_checksum_address(config.get('_EXEC_ADDRESS'))
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if not config.true('_UNSAFE') and contract_address != add_0x(config.get('_EXEC_ADDRESS')):
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raise ValueError('invalid checksum address for contract')
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token_symbol = config.get('_POSARG')
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if token_symbol != None:
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element(ifc, conn, contract_address, token_symbol, sys.stdout)
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else:
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ls(ifc, conn, contract_address, token_ifc, sys.stdout)
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if __name__ == '__main__':
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main()
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