mirror of
https://github.com/chaintool-py/eth-erc20.git
synced 2024-10-16 18:46:46 +02:00
78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
#!python3
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"""Decode raw ERC20 transaction
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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 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 select
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# external imports
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from chainlib.eth.tx import unpack
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from chainlib.chain import ChainSpec
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from chainlib.eth.connection import EthHTTPConnection
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# local imports
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from eth_erc20.runnable.util import Decoder
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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def stdin_arg(t=0):
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h = select.select([sys.stdin], [], [], t)
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if len(h[0]) > 0:
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logg.debug('got stdin arg')
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v = h[0][0].read()
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return v.rstrip()
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return None
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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('-n', '--no-resolve', dest='n', action='store_true', help='Do not resolve token metadata on-chain')
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argparser.add_argument('-i', '--chain-id', dest='i', default='evm:ethereum:1', type=str, help='Numeric network id')
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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argparser.add_argument('-vv', action='store_true', help='Be more verbose')
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argparser.add_argument('tx', type=str, nargs='?', default=stdin_arg(), help='hex-encoded signed raw transaction')
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args = argparser.parse_args()
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if args.vv:
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logg.setLevel(logging.DEBUG)
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elif args.v:
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logg.setLevel(logging.INFO)
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argp = args.tx
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if argp == None:
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logg.info('no argument provided or delayed stdin, attempting another read')
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argp = stdin_arg(t=None)
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if argp == None:
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argparser.error('need first positional argument or value from stdin')
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conn = EthHTTPConnection(args.p)
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chain_spec = ChainSpec.from_chain_str(args.i)
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no_resolve = args.n
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def main():
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tx_raw = argp
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resolve_rpc = None
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if not no_resolve:
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resolve_rpc = conn
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dec = Decoder(chain_spec)
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dec.decode_for_puny_humans(tx_raw, chain_spec, sys.stdout, 'transfer', rpc=resolve_rpc)
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if __name__ == '__main__':
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main()
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