eth-erc20/python/giftable_erc20_token/runnable/gift.py

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"""Mints and gifts tokens to a given address
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.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
"""
# SPDX-License-Identifier: GPL-3.0-or-later
# standard imports
import sys
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import os
import json
import argparse
import logging
import time
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# external imports
import chainlib.eth.cli
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from chainlib.eth.tx import receipt
from chainlib.chain import ChainSpec
from chainlib.eth.connection import EthHTTPConnection
from chainlib.eth.address import to_checksum_address
from hexathon import (
strip_0x,
add_0x,
)
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# local imports
from giftable_erc20_token import GiftableToken
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logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
arg_flags = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC | chainlib.eth.cli.Flag.WALLET
argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
argparser.add_positional('amount', type=int, help='Token amount to gift')
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args = argparser.parse_args()
extra_args = {
'amount': None,
}
config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, default_fee_limit=GiftableToken.gas())
wallet = chainlib.eth.cli.Wallet()
wallet.from_config(config)
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rpc = chainlib.eth.cli.Rpc(wallet=wallet)
conn = rpc.connect_by_config(config)
chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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def main():
signer = rpc.get_signer()
signer_address = rpc.get_sender_address()
gas_oracle = rpc.get_gas_oracle()
nonce_oracle = rpc.get_nonce_oracle()
recipient_address_input = config.get('_RECIPIENT')
if recipient_address_input == None:
recipient_address_input = signer_address
recipient_address = add_0x(to_checksum_address(recipient_address_input))
if not config.true('_UNSAFE') and recipient_address != add_0x(recipient_address_input):
raise ValueError('invalid checksum address for recipient')
token_address = add_0x(to_checksum_address(config.get('_EXEC_ADDRESS')))
if not config.true('_UNSAFE') and token_address != add_0x(config.get('_EXEC_ADDRESS')):
raise ValueError('invalid checksum address for contract')
token_value = config.get('_AMOUNT')
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c = GiftableToken(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle)
(tx_hash_hex, o) = c.mint_to(token_address, signer_address, recipient_address, token_value)
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. Wish I had more to tell you')
sys.exit(1)
logg.info('mint to {} tx {}'.format(recipient_address, tx_hash_hex))
print(tx_hash_hex)
else:
print(o)
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if __name__ == '__main__':
main()