100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
#!python3
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"""Token balance query script
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.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
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.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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"""
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# SPDX-License-Identifier: GPL-3.0-or-later
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# standard imports
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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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# third-party imports
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from hexathon import (
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add_0x,
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strip_0x,
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even,
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)
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import sha3
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from eth_abi import encode_single
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# local imports
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from cic_tools.eth.address import to_checksum
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from cic_tools.eth.rpc import (
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jsonrpc_template,
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jsonrpc_result,
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)
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from cic_tools.eth.erc20 import ERC20TxFactory
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from cic_tools.eth.connection import HTTPConnection
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from cic_tools.eth.nonce import DefaultNonceOracle
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from cic_tools.eth.gas import DefaultGasOracle
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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default_abi_dir = os.environ.get('ETH_ABI_DIR', '/usr/share/local/cic/solidity/abi')
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default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
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argparser = argparse.ArgumentParser()
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argparser.add_argument('-p', '--provider', dest='p', default=default_eth_provider, type=str, help='Web3 provider url (http only)')
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argparser.add_argument('-t', '--token-address', dest='t', type=str, help='Token address. If not set, will return gas balance')
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argparser.add_argument('-u', '--unsafe', dest='u', action='store_true', help='Auto-convert address to checksum adddress')
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argparser.add_argument('--abi-dir', dest='abi_dir', type=str, default=default_abi_dir, help='Directory containing bytecode and abi (default {})'.format(default_abi_dir))
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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argparser.add_argument('account', type=str, help='Account address')
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args = argparser.parse_args()
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if args.v:
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logg.setLevel(logging.DEBUG)
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conn = HTTPConnection(args.p)
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gas_oracle = DefaultGasOracle(conn)
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def main():
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account = to_checksum(args.account)
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if not args.u and account != add_0x(args.account):
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raise ValueError('invalid checksum address')
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r = None
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decimals = 18
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if args.t != None:
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g = ERC20TxFactory(gas_oracle=gas_oracle)
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# determine decimals
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decimals_o = g.erc20_decimals(args.t)
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r = conn.do(decimals_o)
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decimals = int(strip_0x(r), 16)
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# get balance
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balance_o = g.erc20_balance(args.t, account)
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r = conn.do(balance_o)
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else:
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o = jsonrpc_template()
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o['method'] = 'eth_getBalance'
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o['params'].append(account)
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r = conn.do(o)
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hx = strip_0x(r)
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balance = int(hx, 16)
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logg.debug('balance {} = {} decimals {}'.format(even(hx), balance, decimals))
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balance_str = str(balance)
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balance_len = len(balance_str)
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if balance_len < 19:
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print('0.{}'.format(balance_str.zfill(decimals)))
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else:
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offset = balance_len-decimals
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print('{}.{}'.format(balance_str[:offset],balance_str[offset:]))
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if __name__ == '__main__':
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main()
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