def _aggregate_miner_data(raw_data):
data_by_miner = groupby(0, raw_data)
for miner, miner_data in data_by_miner.items():
_, block_hashes, gas_prices = map(set, zip(*miner_data))
yield MinerData(
miner,
len(set(block_hashes)),
min(gas_prices),
percentile(gas_prices, percentile=15))
def _aggregate_miner_data(raw_data):
data_by_miner = groupby(0, raw_data)
for miner, miner_data in data_by_miner.items():
_, block_hashes, gas_prices = map(set, zip(*miner_data))
try:
price_percentile = percentile(gas_prices, percentile=20)
except InsufficientData:
price_percentile = min(gas_prices)
yield MinerData(miner, len(set(block_hashes)), min(gas_prices),
price_percentile)
def validate_abi(abi):
"""
Helper function for validating an ABI
"""
if not is_list_like(abi):
raise ValueError("'abi' is not a list")
if not all(is_dict(e) for e in abi):
raise ValueError("'abi' is not a list of dictionaries")
functions = filter_by_type('function', abi)
selectors = groupby(compose(encode_hex, function_abi_to_4byte_selector),
functions)
duplicates = valfilter(lambda funcs: len(funcs) > 1, selectors)
if duplicates:
raise ValueError('Abi contains functions with colliding selectors. '
'Functions {0}'.format(
_prepare_selector_collision_msg(duplicates)))