cicnet/eth-erc20
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Add transfer from

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This commit is contained in:
nolash 2021-11-15 14:34:12 +01:00
parent edb35b3ead
commit 2cb8f744e8
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
3 changed files with 30 additions and 10 deletions
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30
python/eth_erc20/runnable/transfer.py
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@ -24,7 +24,10 @@ from hexathon import (
from chainlib.eth.connection import EthHTTPConnection from chainlib.eth.connection import EthHTTPConnection
from chainlib.chain import ChainSpec from chainlib.chain import ChainSpec
from chainlib.eth.runnable.util import decode_for_puny_humans from chainlib.eth.runnable.util import decode_for_puny_humans
from chainlib.eth.address import to_checksum_address from chainlib.eth.address import (
to_checksum_address,
is_same_address,
)
import chainlib.eth.cli import chainlib.eth.cli
# local imports # local imports
@ -35,10 +38,12 @@ logg = logging.getLogger()
arg_flags = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC | chainlib.eth.cli.Flag.WALLET 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 = chainlib.eth.cli.ArgumentParser(arg_flags)
argparser.add_argument('--from', type=str, help='Address to send on behalf of')
argparser.add_positional('amount', type=int, help='Token amount to send') argparser.add_positional('amount', type=int, help='Token amount to send')
args = argparser.parse_args() args = argparser.parse_args()
extra_args = { extra_args = {
'amount': None, 'amount': None,
'from': None,
} }
config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, default_fee_limit=100000) config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args, default_fee_limit=100000)
@ -82,12 +87,27 @@ def main():
if not config.true('_UNSAFE') and token_address != add_0x(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') raise ValueError('invalid checksum address for contract')
transfer_from_address = None
if config.get('_FROM'):
transfer_from_address = to_checksum_address(config.get('_FROM'))
if not config.true('_UNSAFE') and transfer_from_address != add_0x(config.get('_FROM')):
raise ValueError('invalid checksum address for "from" argument')
check_balance_address = None
if logg.isEnabledFor(logging.DEBUG): if logg.isEnabledFor(logging.DEBUG):
sender_balance = balance(g, token_address, signer_address, id_generator=rpc.id_generator) if transfer_from_address:
check_balance_address = transfer_from_address
else:
check_balance_address = signer_address
sender_balance = balance(g, token_address, check_balance_address, id_generator=rpc.id_generator)
recipient_balance = balance(g, token_address, recipient, id_generator=rpc.id_generator) recipient_balance = balance(g, token_address, recipient, id_generator=rpc.id_generator)
logg.debug('sender {} balance before: {}'.format(signer_address, sender_balance)) logg.debug('sender {} balance before: {}'.format(check_balance_address, sender_balance))
logg.debug('recipient {} balance before: {}'.format(recipient, recipient_balance)) logg.debug('recipient {} balance before: {}'.format(recipient, recipient_balance))
if transfer_from_address and not is_same_address(transfer_from_address, signer_address):
(tx_hash_hex, o) = g.transfer_from(token_address, signer_address, transfer_from_address, recipient, value, id_generator=rpc.id_generator)
else:
(tx_hash_hex, o) = g.transfer(token_address, signer_address, recipient, value, id_generator=rpc.id_generator) (tx_hash_hex, o) = g.transfer(token_address, signer_address, recipient, value, id_generator=rpc.id_generator)
if send: if send:
@ -95,9 +115,9 @@ def main():
if block_last: if block_last:
r = conn.wait(tx_hash_hex) r = conn.wait(tx_hash_hex)
if logg.isEnabledFor(logging.DEBUG): if logg.isEnabledFor(logging.DEBUG):
sender_balance = balance(g, token_address, signer_address, id_generator=rpc.id_generator) sender_balance = balance(g, token_address, check_balance_address, id_generator=rpc.id_generator)
recipient_balance = balance(g, token_address, recipient, id_generator=rpc.id_generator) recipient_balance = balance(g, token_address, recipient, id_generator=rpc.id_generator)
logg.debug('sender {} balance after: {}'.format(signer_address, sender_balance)) logg.debug('sender {} balance after: {}'.format(check_balance_address, sender_balance))
logg.debug('recipient {} balance after: {}'.format(recipient, recipient_balance)) logg.debug('recipient {} balance after: {}'.format(recipient, recipient_balance))
if r['status'] == 0: if r['status'] == 0:
logg.critical('VM revert. Wish I could tell you more') logg.critical('VM revert. Wish I could tell you more')

6
python/requirements.txt
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@ -1,3 +1,3 @@
confini>=0.3.6rc3,<0.5.0 confini~=0.5.1
chainlib-eth>=0.0.9a9,<=0.1.0 chainlib-eth~=0.0.12
potaahto~=0.0.1a2 potaahto~=0.1.0

2
python/setup.cfg
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@ -1,6 +1,6 @@
[metadata] [metadata]
name = eth-erc20 name = eth-erc20
version = 0.1.2a3 version = 0.1.2
description = ERC20 interface and simple contract with deployment script that lets any address mint and gift itself tokens. description = ERC20 interface and simple contract with deployment script that lets any address mint and gift itself tokens.
author = Louis Holbrook author = Louis Holbrook
author_email = dev@holbrook.no author_email = dev@holbrook.no