def get_byte_code(self):
'''
get byte code from api call 'https://api.etherscan.io/api?module=proxy&action=eth_getCode&address=0xf75e354c5edc8efed9b59ee9f67a80845ade7d0c&tag=latest&apikey=YourApiKeyToken'
Parameters : contract_addr
return : file of byte code
'''
target_url = 'https://api.etherscan.io/api?module=proxy&action=eth_getCode&address=' + str(self.contract_addr)
result = crawl_url_by_get(target_url, proxy=None, enable_proxy=True)
# print result, type(result)
with open(self.base_dir + '/byte_code', 'w') as bc:
bc.write(result)
def get_contract_abi(self):
'''
get contract ABI from api call 'https://api.etherscan.io/api?module=contract&action=getabi&address='
Parameters : contract_addr
return : file of contract abi
'''
target_url = 'https://api.etherscan.io/api?module=contract&action=getabi'\
+ '&address=' + str(self.contract_addr)\
+ '&apikey=' + str(self.api_key)
result = crawl_url_by_get(target_url, proxy=None, enable_proxy=True)
# print result, type(result)
with open(self.base_dir + '/contract_abi', 'w') as ca:
ca.write(result)
def get_op_code(self):
'''
get op codes from api call 'https://etherscan.io/api?module=opcode&action=getopcode&address=0xDa65eed883A48301D0EcF37465f135A7a0C9d978'
Parameters : contract_addr
return : file of op code
'''
target_url = 'https://etherscan.io/api?module=opcode&action=getopcode&address=' + str(self.contract_addr)
result = crawl_url_by_get(target_url, proxy=None, enable_proxy=True)
# print result, type(result)
with open(self.base_dir + '/op_code', 'w') as oc:
oc.write(result)
parse_op_code = json.loads(result)['result'].split('<br>')
# print parse_op_code, type(parse_op_code)
with open(self.base_dir + '/parse_op_code', 'w') as poc:
for e in parse_op_code:
poc.write(e + '\n')
def get_parse_html(self, write2file=False):
'''
get details of a given smart contract
Parameters : contract_addr, smart contract address
return : parse_html
'''
'''
if os.path.exists(self.base_dir + '/parse.html'):
with open(self.base_dir + '/parse.html', 'r') as pt:
raw_html = pt.read()
parse_html = etree.HTML(raw_html)
return parse_html
'''
base_url = 'https://etherscan.io/address/'
target_url = str(base_url) + str(self.contract_addr) + str('#code')
raw_html = crawl_url_by_get(target_url, proxy=None)
parse_html = etree.HTML(raw_html)
if write2file:
with open(self.base_dir + '/parse.html', 'w') as parse:
parse.write(etree.tostring(parse_html))
return parse_html