def get_contract_from_blockchain(address):
key = get_api_key()
api = Contract(address=address, api_key=key)
sourcecode = api.get_sourcecode()
assert len(sourcecode) == 1, f"no results found for {address}"
assert len(sourcecode[0]["SourceCode"]) > 0, f"no sourcecode found for {address}"
if sourcecode[0]["SourceCode"][0] == "{":
# Multiple files
file_mapping = {}
src_path = f"{contract_dir}/contract_{address}/"
if not os.path.exists(src_path):
os.makedirs(src_path)
src = sourcecode[0]["SourceCode"][1:-1]
src = json.loads(src)
for filepath, file in src["sources"].items():
filename = os.path.basename(filepath)
file_mapping[filepath] = filename
with open(f"{src_path}{filename}", "w") as f:
f.write(file["content"])
# save the mappings
with open(os.path.join(src_path, ".mapping"), "w+") as f:
f.write(json.dumps(file_mapping))
else:
# Multiple files
src_path = f"{contract_dir}/contract_{address}.sol"
with open(src_path, "w") as c_file:
c_file.write(sourcecode[0]["SourceCode"])
return src_path, sourcecode[0]
def get_contract_from_blockchain(address, key_file=None):
key = get_api_key(key_file)
api = Contract(address=address, api_key=key)
sourcecode = api.get_sourcecode()
with open(contract_dir, "w") as contract_file:
contract_file.write(sourcecode[0]['SourceCode'])
return contract_dir
class contracts():
def __init__(self, key, address):
# Setup api for single address
self.key = key
self.address = address
self.api = Contract(address=address, api_key=key)
def get_contract(self):
# cannot transfer to DataFrame
return self.api.get_abi()
def get_sourcecode(self):
sourcecode = self.api.get_sourcecode()
return pd.DataFrame(sourcecode)
def get_sourcecode_from_address(address):
"""
Return sourcecode for address
See: https://git.io/fjbQW
https://cloud.google.com/docs/authentication/getting-started
https://sebs.github.io/etherscan-api/
"""
api_key = get_etherscan_api_key()
api = Contract(address=address,
api_key=api_key)
try:
sourcecode = api.get_sourcecode()
except:
logger.warning('Empty Response. Try again later.')
return None
else:
if not sourcecode[0]['SourceCode']:
return None
if sourcecode[0]['ABI'] == 'Contract source code not verified':
return None
return sourcecode
from etherscan.contracts import Contract
import json
with open('../../api_key.json', mode='r') as key_file:
key = json.loads(key_file.read())['key']
address = '0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359'
api = Contract(address=address, api_key=key)
sourcecode = api.get_sourcecode()
# TODO: make this return something pretty
print(sourcecode[0]['SourceCode'])
print(uncles['uncles'])
#Stats
api4 = stats.Stats(api_key=key)
total_supply = api4.get_total_ether_supply
print('total supply:', total_supply)
last_price = api4.get_ether_last_price()
print('last price:', last_price)
#Contracts
api5 = Contract(address=address, api_key=key)
#abi = api5.get_abi()
#print('abi:',abi)
sourcecode = api5.get_sourcecode()
print(sourcecode[0]['SourceCode'])
#Block
#api7 = Blocks(api_key=key)
#reward = api7.get_block_reward(2165403)
#print(reward)
#Transactions
#api6 = transactions.Transactions(api_key=key)
#TX_HASH = '0x15f8e5ea1079d9a0bb04a4c58ae5fe7654b5b2b4463375ff7ffb490aa0032f3a'
#status = api6.get_status(tx_hash=TX_HASH)
#print ('status:', status)
#TX_HASH = '0x513c1ba0bebf66436b5fed86ab668452b7805593c05073eb2d51d3a52f480a76'
#receipt_status = api6.get_tx_receipt_status(tx_hash=TX_HASH)
def get_contract_source(self, address):
api = Contract(address=address, api_key=self.api_key)
sourcecode = api.get_sourcecode()
return sourcecode[0]['SourceCode']
def get_resource_code(self, sc_addr):
api = Contract(address=str(sc_addr), api_key=self.key)
sourcecode = api.get_sourcecode()
return sourcecode[0]['SourceCode']
api = EtherscanAPI()
API_KEY = api.key
api._create_data_folder(DATA_DIR)
def save_json(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 save_sol(data, filename, save):
if save:
filepath = os.path.join(DATA_DIR, filename)
with open(filepath, 'w') as sol_file:
sol_file.write(data)
if __name__=='__main__':
test_address = '0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359'
contract = Contract(address=test_address, api_key=API_KEY)
abi = contract.get_abi()
js = json.loads(abi)
abi_filename = f'abi-address-{test_address}.json'
save_json(js, abi_filename, save=True)
sourcecode = contract.get_sourcecode()
sourcecode_filename = f'contract-sourcecode-address-{test_address}.sol'
save_sol(sourcecode[0]['SourceCode'], sourcecode_filename, save=True)