def get_average_gas_prices(average='median', tx_amount=100, attempts=18):
if not (latest_block := get_block('latest', False, attempts)):
return {}
else:
latest_block = latest_block['number']
gas_limit = []
gas_prices = []
for block_number in range(latest_block, latest_block - tx_amount, -1):
if not (block := get_block(block_number, True)):
return {}
for _tx in block['transactions']:
gas_limit.append(_tx['gas'])
gas_prices.append(_tx['gasPrice'])
if len(gas_prices) >= tx_amount:
break
match average:
case 'mean':
average_gas_limit = mean(gas_limit[:tx_amount])
average_gas_price = mean(gas_prices[:tx_amount])
case 'median':
average_gas_limit = median(gas_limit[:tx_amount])
average_gas_price = median(gas_prices[:tx_amount])
case 'mode':
average_gas_limit = mode(gas_limit[:tx_amount])
average_gas_price = mode(gas_prices[:tx_amount])
case _:
raise Exception('Invalid average type')
return {
"gas_limit": average_gas_limit,
"gas_price": average_gas_price
}
