mirror of git://holbrook.no/eth-token-index
101 lines
2.7 KiB
Python
101 lines
2.7 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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# 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 = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC
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argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
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argparser.add_argument('token_symbol', type=str, nargs='?', help='Token symbol to return address for')
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args = argparser.parse_args()
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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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#wallet = chainlib.eth.cli.Wallet()
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#wallet.from_config(config)
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rpc = chainlib.eth.cli.Rpc()
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conn = rpc.connect_by_config(config)
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chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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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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element(ifc, conn, contract_address, token_symbol, w)
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def main():
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token_ifc = ERC20(chain_spec)
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ifc = TokenUniqueSymbolIndex(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('_TOKEN_SYMBOL')
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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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