def main():
with open('../api_key.json', mode='r') as key_file:
key = json.loads(key_file.read())['key']
# get steven's contract initialization input data as a reference
api = Proxies(api_key=key)
transaction_1 = api.get_transaction_by_hash(
tx_hash='0x5920ad6d2c1caa27dae2e85b4764a28c7665d8f4ecfc17150c0abd9f26cb2ca4')
target_input_1 = transaction_1['input']
transaction_2 = api.get_transaction_by_hash(
tx_hash='0x881bd88aac40ba6f49e7e6130e7bafc154a9e918b6f792742ff10cf731309cce')
target_input_2 = transaction_2['input']
target_input = longestSubstringFinder(target_input_1, target_input_2)
# Search over all Tx within all blocks between 6pm and 7pm local time
#block = api.get_block_by_number(3638953)
#print(block.keys())
hash_list = []
block_number_all = list(range(3626750,3626760))
for block_number in block_number_all:
block = api.get_block_by_number(block_number)
for transaction in block['transactions']:
if transaction['input'][0:5960] == target_input:
hash_list.append(transaction['hash'])
print (hash_list)
class proxies():
def __init__(self, key):
self.key = key
self.api = Proxies(api_key=key)
'''
def gas_price(self):
return self.api.gas_price()
'''
def get_block(self, number):
block_number = self.api.get_block_by_number(block_number=number)
return pd.DataFrame.from_dict(block_number, orient='index')
def tx_count(self, number):
tx_count = self.api.get_block_transaction_count_by_number(
block_number=number)
tx_count = [int(tx_count, 16)]
return pd.DataFrame(tx_count, ['block_transaction_count_by_number'])
'''
def get_code(self, address):
Error: Exception has occurred: AttributeError. 'Proxies' object has no attribute 'get_code'
return self.api.get_code(address = address)
'''
def get_recent_block(self):
block = self.api.get_most_recent_block()
block = [int(block, 16)]
return pd.DataFrame(block, columns=['most recent block'])
'''
def value(self):
Error: no attribute
return self.api.get_storage_at('0x6e03d9cce9d60f3e9f2597e13cd4c54c55330cfd', 0x0)
'''
def Transactions(self, number, index):
return self.api.get_transaction_by_blocknumber_index(
block_number=number, index=index)
def transaction_hash(self, TX_HASH):
transaction = self.api.get_transaction_by_hash(tx_hash=TX_HASH)
return transaction
def transaction_count(self, address):
count = self.api.get_transaction_count(address=address)
count = [int(count, 16)]
return count
def transaction_receipt(self, TX_HASH):
receipt = self.api.get_transaction_receipt(tx_hash=TX_HASH)
return receipt
def uncle(self, number, index):
uncel = self.api.get_uncle_by_blocknumber_index(block_number=number,
index=index)
return uncel
class Proxies_usage:
def __init__(self, key):
self.api_key = key
self.api = Proxies(api_key=key)
#### get information about a block by block number (and save the result in a JSON file)
def block_info_by_number(self, block_number):
block = self.api.get_block_by_number(block_number)
with open("./block_info_by_number.json", "w") as json_file:
json.dump(block, json_file)
#### get the number of transactions in a block matching the given block number
def block_trans_count_by_number(self, block_number):
tx_count = self.api.get_block_transaction_count_by_number(
block_number=block_number)
return int(tx_count, 16)
#### get the number of most recent block
def most_recent_block(self):
block = self.api.get_most_recent_block()
return int(block, 16)
#### get information about a transaction by block number and transaction index position (and save to a csv file)
def trans_info_by_number_index(self, block_number, index):
transaction = self.api.get_transaction_by_blocknumber_index(
block_number=block_number, index=index)
transaction = pd.DataFrame(transaction, index=[0])
transaction.to_csv("./transaction_info_by_number_index.csv",
index=False)
#### get the informationa bout a transaction by transaction hash (and save to a csv file)
def trans_info_by_hash(self, hash):
transaction = self.api.get_transaction_by_hash(tx_hash=hash)
transaction = pd.DataFrame(transaction, index=[0])
transaction.to_csv("./transaction_info_by_hash.csv", index=False)
#### get the number of transactions sent from an address
def trans_count_from_addr(self, address):
count = self.api.get_transaction_count(address)
return int(count, 16)
#### get (display) the receipt of a transaction by transaction hash
def trans_receipt_by_hash(self, hash):
receipt = self.api.get_transaction_receipt(hash)
receipt = pd.DataFrame.from_dict(receipt, orient="index")
display(receipt)
#### get information about a uncle by block number
def uncle_by_number_index(self, block_number, index="0x0"):
uncles = self.api.get_uncle_by_blocknumber_index(
block_number=block_number, index=index)
return uncles["uncles"]
with open('api_key.json', mode='r') as key_file:
key = loads(key_file.read())['key']
api = Proxies(api_key=key)
try:
mkdir(blocks_path + str(current_dir))
except OSError:
print('Failed to create directory %s' % blocks_path + str(current_dir))
else:
print('Created directory %s successfully' % blocks_path + str(current_dir))
print("Downloading transactions for blocks: {} to {}".format(
first_block_num, last_block_num))
for i in tqdm(range(4708444, last_block_num + 1)):
try:
block = api.get_block_by_number(i)
minified_txs = []
for tx in block['transactions']:
tx_item = {}
tx_item['hash'] = tx['hash']
tx_item['gas'] = int(tx['gas'], 16)
tx_item['gasPrice'] = int(tx['gasPrice'], 16) / pow(10, 9)
minified_txs.append(tx_item)
minified_txs.sort(key=lambda x: x['gasPrice'], reverse=True)
with open(blocks_path + str(current_dir) + '/' + str(i) + '.json',
'w') as fwriter:
dump(minified_txs, fwriter)
files_in_dir = files_in_dir + 1
if files_in_dir == max_files_in_dir:
from etherscan.proxies import Proxies
import json
with open('../../api_key.json', mode='r') as key_file:
key = json.loads(key_file.read())['key']
api = Proxies(api_key=key)
block = api.get_block_by_number(5747732)
print(block['number'])
def test_get_block_by_number(self):
api = Proxies(api_key=API_KEY)
block = api.get_block_by_number(BLOCK_NUMBER)
print(block)
self.assertEqual(block['difficulty'], hex(BLOCK_DIFFICULTY))
class Proxy(EtherscanAPI):
def __init__(self):
super().__init__()
self.api = Proxies(api_key=self.key)
self._create_data_folder(DATA_DIR)
# def gas_price(self):
# price = self.api.gas_price()
# return price
def _save_json(self, data, filename, save):
if save:
filepath = os.path.join(DATA_DIR, filename)
with open(filepath, 'w') as json_file:
json.dump(data, json_file, indent=4)
def get_most_recent_block(self, save=False):
block = self.api.get_most_recent_block()
filename = f'most-recent-block.json'
self._save_json(block, filename, save)
return block
def get_block_by_number(self, block_num, save=False):
block = self.api.get_block_by_number(block_num)
filename = f'block-{block_num}-data.json'
self._save_json(block, filename, save)
return block
def get_uncle_by_blocknumber_index(self, block_num, index, save=False):
uncles = self.api.get_uncle_by_blocknumber_index(
block_number=block_num, index=index)
filename = f'block-{block_num}-{index}-uncles-data.json'
self._save_json(uncles, filename, save)
return uncles
def get_block_transaction_count_by_number(self, block_num, save=False):
tx_count = self.api.get_block_transaction_count_by_number(
block_number=block_num)
return int(tx_count, 16)
def get_transaction_by_hash(self, tx_hash, save=False):
transaction = self.api.get_transaction_by_hash(tx_hash=tx_hash)
filename = f'transaction-data-of-hash-{tx_hash}.json'
self._save_json(transaction, filename, save)
return transaction
def get_transaction_by_blocknumber_index(self,
block_num,
index,
save=False):
transaction = self.api.get_transaction_by_blocknumber_index(
block_number=block_num, index=index)
filename = f'transaction-data-of-block-{block_num}.json'
self._save_json(transaction, filename, save)
return transaction
def get_transaction_count(self, address, save=False):
count = self.api.get_transaction_count(address)
return int(count, 16)
def get_transaction_receipt(self, tx_hash, save=False):
receipt = self.api.get_transaction_receipt(tx_hash)
filename = f'transaction-recepit-of-hash-{tx_hash}.json'
self._save_json(receipt, filename, save)
return receipt
from etherscan.proxies import Proxies
import json
with open('../../api_key.json', mode='r') as key_file:
key = json.loads(key_file.read())['key']
api = Proxies(api_key=key)
block = api.get_block_by_number(3638953)
print(block.keys())
