def scrap_tokens(self):
while self.current_page <= self.last_page:
headers = {'User-Agent': self.USER_AGENT}
print_section(f'Scrapping page: {self.current_page} / {self.last_page}')
response = requests.get(f'https://etherscan.io/tokens?p={self.current_page}', headers=headers)
if response.status_code != 200:
raise RuntimeError(f'Incorrect status code from etherscan: {response.status_code}')
self.html = pq(response.content)
self.get_pagination()
self.extract_tokens()
self.current_page += 1
if self.ignored:
print_error(f'Ignored {len(self.ignored)} tokens.')
def extract_tokens(self):
links = [l for l in self.html.find('#ContentPlaceHolder1_divresult tbody tr h5 a')]
for l in links:
address = l.attrib['href'].replace('/token/', '')
name, symbol = l.text[:-1].split(' (')
decimals = self.get_token_precision(address)
if not decimals:
print_error(f'Cannot define the number of decimal places for {name} ({symbol}). Ignoring.')
self.ignored.append(name)
continue
token = Token(name, symbol, Web3.toChecksumAddress(address), decimals)
if symbol in self.symbols:
print_error(f'Duplicate symbol {symbol} for token {name}. Ignoring.')
self.ignored.append(token)
continue
elif name in self.names:
print_error(f'Duplicate name {name} for token {symbol}. Ignoring.')
self.ignored.append(token)
continue
self.tokens.append(token)
self.symbols.add(symbol)
self.names.add(name)
print_section(f'Tokens counter: {len(self.tokens)}.')
args = parser.parse_args()
network = get_network_by_symbol(args.network)
wallet = network.get_wallet(private_key=args.private_key)
tx_hex = get_transaction_from_address(args.initial_network,
args.transaction)
print_section('Found transaction:', tx_hex)
print_section('Transaction audit...')
contract = network.audit_contract(args.contract, tx_hex)
pprint(contract.show_details())
utxo = network.get_utxo(wallet.address, args.amount)
if not utxo:
print_error('UTXO not found')
exit(1)
print_section(f'Found {len(utxo)} UTXO\'s')
pprint(utxo)
participate_transaction = contract.participate(
args.network.replace('_TESTNET', '').lower(), wallet.address,
args.recipient, args.amount, utxo)
print_section('Adding fee and signing...')
participate_transaction.add_fee_and_sign(wallet)
print_section('Transaction ready to be published')
details = participate_transaction.show_details()
pprint(details)