def extract_tokens(contracts,
provider_uri,
output,
max_workers,
values_as_strings=False):
"""Extracts tokens from contracts file."""
set_max_field_size_limit()
with smart_open(contracts, 'r') as contracts_file:
if contracts.endswith('.json'):
contracts_iterable = (json.loads(line) for line in contracts_file)
else:
contracts_iterable = csv.DictReader(contracts_file)
converters = [
IntToStringItemConverter(keys=['decimals', 'total_supply'])
] if values_as_strings else []
job = ExtractTokensJob(
contracts_iterable=contracts_iterable,
web3=ThreadLocalProxy(
lambda: Web3(get_provider_from_uri(provider_uri))),
max_workers=max_workers,
item_exporter=tokens_item_exporter(output, converters))
job.run()
def export_tokens(token_addresses, output, max_workers, provider_uri):
"""Exports ERC20/ERC721 tokens."""
with smart_open(token_addresses, 'r') as token_addresses_file:
job = ExportTokensJob(
token_addresses_iterable=(token_address.strip() for token_address in token_addresses_file),
web3=ThreadLocalProxy(lambda: Web3(get_provider_from_uri(provider_uri))),
item_exporter=tokens_item_exporter(output),
max_workers=max_workers)
job.run()
def test_export_tokens_job(tmpdir, token_addresses, resource_group,
web3_provider_type):
output_file = str(tmpdir.join('tokens.csv'))
job = ExportTokensJob(
token_addresses_iterable=token_addresses,
web3=ThreadLocalProxy(lambda: Web3(
get_web3_provider(web3_provider_type, lambda file: read_resource(
resource_group, file)))),
item_exporter=tokens_item_exporter(output_file),
max_workers=5)
job.run()
compare_lines_ignore_order(
read_resource(resource_group, 'expected_tokens.csv'),
read_file(output_file))
def extract_tokens(contracts, provider_uri, output, max_workers):
"""Extracts tokens from contracts file."""
set_max_field_size_limit()
with smart_open(contracts, 'r') as contracts_file:
if contracts.endswith('.json'):
contracts_iterable = (json.loads(line) for line in contracts_file)
else:
contracts_iterable = csv.DictReader(contracts_file)
job = ExtractTokensJob(
contracts_iterable=contracts_iterable,
web3=ThreadLocalProxy(
lambda: Web3(get_provider_from_uri(provider_uri))),
max_workers=max_workers,
item_exporter=tokens_item_exporter(output))
job.run()
def export_all_common(partitions, output_dir, provider_uri, max_workers,
batch_size):
for batch_start_block, batch_end_block, partition_dir in partitions:
# # # start # # #
start_time = time()
padded_batch_start_block = str(batch_start_block).zfill(8)
padded_batch_end_block = str(batch_end_block).zfill(8)
block_range = '{padded_batch_start_block}-{padded_batch_end_block}'.format(
padded_batch_start_block=padded_batch_start_block,
padded_batch_end_block=padded_batch_end_block,
)
file_name_suffix = '{padded_batch_start_block}_{padded_batch_end_block}'.format(
padded_batch_start_block=padded_batch_start_block,
padded_batch_end_block=padded_batch_end_block,
)
# # # blocks_and_transactions # # #
blocks_output_dir = '{output_dir}/blocks{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(blocks_output_dir), exist_ok=True)
transactions_output_dir = '{output_dir}/transactions{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(transactions_output_dir), exist_ok=True)
blocks_file = '{blocks_output_dir}/blocks_{file_name_suffix}.csv'.format(
blocks_output_dir=blocks_output_dir,
file_name_suffix=file_name_suffix,
)
transactions_file = '{transactions_output_dir}/transactions_{file_name_suffix}.csv'.format(
transactions_output_dir=transactions_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info('Exporting blocks {block_range} to {blocks_file}'.format(
block_range=block_range,
blocks_file=blocks_file,
))
logger.info(
'Exporting transactions from blocks {block_range} to {transactions_file}'
.format(
block_range=block_range,
transactions_file=transactions_file,
))
job = ExportBlocksJob(
start_block=batch_start_block,
end_block=batch_end_block,
batch_size=batch_size,
batch_web3_provider=ThreadLocalProxy(
lambda: get_provider_from_uri(provider_uri, batch=True)),
max_workers=max_workers,
item_exporter=blocks_and_transactions_item_exporter(
blocks_file, transactions_file),
export_blocks=blocks_file is not None,
export_transactions=transactions_file is not None)
job.run()
# # # token_transfers # # #
token_transfers_file = None
if is_log_filter_supported(provider_uri):
token_transfers_output_dir = '{output_dir}/token_transfers{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(token_transfers_output_dir),
exist_ok=True)
token_transfers_file = '{token_transfers_output_dir}/token_transfers_{file_name_suffix}.csv'.format(
token_transfers_output_dir=token_transfers_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Exporting ERC20 transfers from blocks {block_range} to {token_transfers_file}'
.format(
block_range=block_range,
token_transfers_file=token_transfers_file,
))
job = ExportTokenTransfersJob(
start_block=batch_start_block,
end_block=batch_end_block,
batch_size=batch_size,
web3=ThreadLocalProxy(
lambda: Web3(get_provider_from_uri(provider_uri))),
item_exporter=token_transfers_item_exporter(
token_transfers_file),
max_workers=max_workers)
job.run()
# # # receipts_and_logs # # #
cache_output_dir = '{output_dir}/.tmp{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(cache_output_dir), exist_ok=True)
transaction_hashes_file = '{cache_output_dir}/transaction_hashes_{file_name_suffix}.csv'.format(
cache_output_dir=cache_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Extracting hash column from transaction file {transactions_file}'.
format(transactions_file=transactions_file, ))
extract_csv_column_unique(transactions_file, transaction_hashes_file,
'hash')
receipts_output_dir = '{output_dir}/receipts{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(receipts_output_dir), exist_ok=True)
logs_output_dir = '{output_dir}/logs{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(logs_output_dir), exist_ok=True)
receipts_file = '{receipts_output_dir}/receipts_{file_name_suffix}.csv'.format(
receipts_output_dir=receipts_output_dir,
file_name_suffix=file_name_suffix,
)
logs_file = '{logs_output_dir}/logs_{file_name_suffix}.csv'.format(
logs_output_dir=logs_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Exporting receipts and logs from blocks {block_range} to {receipts_file} and {logs_file}'
.format(
block_range=block_range,
receipts_file=receipts_file,
logs_file=logs_file,
))
with smart_open(transaction_hashes_file, 'r') as transaction_hashes:
job = ExportReceiptsJob(
transaction_hashes_iterable=(
transaction_hash.strip()
for transaction_hash in transaction_hashes),
batch_size=batch_size,
batch_web3_provider=ThreadLocalProxy(
lambda: get_provider_from_uri(provider_uri, batch=True)),
max_workers=max_workers,
item_exporter=receipts_and_logs_item_exporter(
receipts_file, logs_file),
export_receipts=receipts_file is not None,
export_logs=logs_file is not None)
job.run()
# # # contracts # # #
contract_addresses_file = '{cache_output_dir}/contract_addresses_{file_name_suffix}.csv'.format(
cache_output_dir=cache_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Extracting contract_address from receipt file {receipts_file}'.
format(receipts_file=receipts_file))
extract_csv_column_unique(receipts_file, contract_addresses_file,
'contract_address')
contracts_output_dir = '{output_dir}/contracts{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(contracts_output_dir), exist_ok=True)
contracts_file = '{contracts_output_dir}/contracts_{file_name_suffix}.csv'.format(
contracts_output_dir=contracts_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Exporting contracts from blocks {block_range} to {contracts_file}'
.format(
block_range=block_range,
contracts_file=contracts_file,
))
with smart_open(contract_addresses_file,
'r') as contract_addresses_file:
contract_addresses = (
contract_address.strip()
for contract_address in contract_addresses_file
if contract_address.strip())
job = ExportContractsJob(
contract_addresses_iterable=contract_addresses,
batch_size=batch_size,
batch_web3_provider=ThreadLocalProxy(
lambda: get_provider_from_uri(provider_uri, batch=True)),
item_exporter=contracts_item_exporter(contracts_file),
max_workers=max_workers)
job.run()
# # # tokens # # #
if token_transfers_file is not None:
token_addresses_file = '{cache_output_dir}/token_addresses_{file_name_suffix}'.format(
cache_output_dir=cache_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Extracting token_address from token_transfers file {token_transfers_file}'
.format(token_transfers_file=token_transfers_file, ))
extract_csv_column_unique(token_transfers_file,
token_addresses_file, 'token_address')
tokens_output_dir = '{output_dir}/tokens{partition_dir}'.format(
output_dir=output_dir,
partition_dir=partition_dir,
)
os.makedirs(os.path.dirname(tokens_output_dir), exist_ok=True)
tokens_file = '{tokens_output_dir}/tokens_{file_name_suffix}.csv'.format(
tokens_output_dir=tokens_output_dir,
file_name_suffix=file_name_suffix,
)
logger.info(
'Exporting tokens from blocks {block_range} to {tokens_file}'.
format(
block_range=block_range,
tokens_file=tokens_file,
))
with smart_open(token_addresses_file, 'r') as token_addresses:
job = ExportTokensJob(
token_addresses_iterable=(
token_address.strip()
for token_address in token_addresses),
web3=ThreadLocalProxy(
lambda: Web3(get_provider_from_uri(provider_uri))),
item_exporter=tokens_item_exporter(tokens_file),
max_workers=max_workers)
job.run()
# # # finish # # #
shutil.rmtree(os.path.dirname(cache_output_dir))
end_time = time()
time_diff = round(end_time - start_time, 5)
logger.info(
'Exporting blocks {block_range} took {time_diff} seconds'.format(
block_range=block_range,
time_diff=time_diff,
))
parser.add_argument('-o',
'--output',
default='-',
type=str,
help='The output file. If not specified stdout is used.')
parser.add_argument('-w',
'--max-workers',
default=5,
type=int,
help='The maximum number of workers.')
parser.add_argument(
'-p',
'--provider-uri',
default='https://mainnet.infura.io',
type=str,
help='The URI of the web3 provider e.g. '
'file://$HOME/Library/Ethereum/geth.ipc or https://mainnet.infura.io')
args = parser.parse_args()
with smart_open(args.token_addresses, 'r') as token_addresses_file:
job = ExportTokensJob(
token_addresses_iterable=(token_address.strip()
for token_address in token_addresses_file),
web3=ThreadLocalProxy(
lambda: Web3(get_provider_from_uri(args.provider_uri))),
item_exporter=tokens_item_exporter(args.output),
max_workers=args.max_workers)
job.run()
