def __init__(self):
global Web3
try:
from web3 import Web3, HTTPProvider
except ImportError:
raise MarketplaceRequiresPython3()
self.addresses = get_user_pubaddr()
if self.addresses[0]['pubAddr'] == '':
raise MarketplacePubAddressEmpty(filename=os.path.join(
get_marketplace_folder(), 'addresses.json'))
self.default_account = self.addresses[0]['pubAddr']
self.web3 = Web3(HTTPProvider(ETH_REMOTE_NODE))
contract_url = urllib.urlopen(MARKETPLACE_CONTRACT)
self.mkt_contract_address = Web3.toChecksumAddress(
contract_url.readline().decode(
contract_url.info().get_content_charset()).strip())
abi_url = urllib.urlopen(MARKETPLACE_CONTRACT_ABI)
abi_url = abi_url.read().decode(abi_url.info().get_content_charset())
abi = json.loads(abi_url)
self.mkt_contract = self.web3.eth.contract(
self.mkt_contract_address,
abi=abi,
)
contract_url = urllib.urlopen(ENIGMA_CONTRACT)
self.eng_contract_address = Web3.toChecksumAddress(
contract_url.readline().decode(
contract_url.info().get_content_charset()).strip())
abi_url = urllib.urlopen(ENIGMA_CONTRACT_ABI)
abi_url = abi_url.read().decode(abi_url.info().get_content_charset())
abi = json.loads(abi_url)
self.eng_contract = self.web3.eth.contract(
self.eng_contract_address,
abi=abi,
)
def get_key_secret(pubAddr, wallet='mew'):
"""
Obtain a new key/secret pair from authentication server
Parameters
----------
pubAddr: str
dataset: str
Returns
-------
key: str
secret: str
"""
session = requests.Session()
response = session.get('{}/marketplace/getkeysecret'.format(AUTH_SERVER),
headers={
'Authorization': 'Digest username="******"'.format(
pubAddr)})
if response.status_code != 401:
raise MarketplaceHTTPRequest(request=str('obtain key/secret'),
error='Unexpected response code: '
'{}'.format(response.status_code))
header = response.headers.get('WWW-Authenticate')
auth_type, auth_info = header.split(None, 1)
d = requests.utils.parse_dict_header(auth_info)
nonce = '0x{}'.format(d['nonce'])
if wallet == 'mew':
print('\nObtaining a key/secret pair to streamline all future '
'requests with the authentication server.\n'
'Visit https://www.myetherwallet.com/signmsg.html and sign the'
'following message:\n{}'.format(nonce))
signature = input('Copy and Paste the "sig" field from '
'the signature here (without the double quotes, '
'only the HEX value:\n')
else:
raise MarketplaceWalletNotSupported(wallet=wallet)
if signature is None:
raise MarketplaceEmptySignature()
signature = signature[2:]
r = int(signature[0:64], base=16)
s = int(signature[64:128], base=16)
v = int(signature[128:130], base=16)
vrs = [v, r, s]
response = session.get('{}/marketplace/getkeysecret'.format(AUTH_SERVER),
headers={
'Authorization': 'Digest username="******",realm="{1}",'
'nonce="{2}",uri="/marketplace/getkeysecret",response="{3}",'
'opaque="{4}"'.format(pubAddr,
d['realm'],
d['nonce'],
','.join(str(e) for e in vrs+[wallet]),
d['opaque'])})
if response.status_code == 200:
if 'error' in response.json():
raise MarketplaceHTTPRequest(request=str('obtain key/secret'),
error=str(response.json()['error']))
else:
addresses = get_user_pubaddr()
match = next((l for l in addresses if
l['pubAddr'] == pubAddr), None)
match['key'] = response.json()['key']
match['secret'] = response.json()['secret']
addresses[addresses.index(match)] = match
save_user_pubaddr(addresses)
print('Key/secret pair retrieved successfully from server.')
return match['key'], match['secret']
else:
raise MarketplaceHTTPRequest(request=str('obtain key/secret'),
error=response.status_code)
def get_key_secret(pubAddr, wallet='mew'):
"""
Obtain a new key/secret pair from authentication server
Parameters
----------
pubAddr: str
dataset: str
Returns
-------
key: str
secret: str
"""
session = requests.Session()
response = session.get(
'{}/marketplace/getkeysecret'.format(AUTH_SERVER),
headers={'Authorization': 'Digest username="******"'.format(pubAddr)})
if response.status_code != 401:
raise MarketplaceHTTPRequest(request=str('obtain key/secret'),
error='Unexpected response code: '
'{}'.format(response.status_code))
header = response.headers.get('WWW-Authenticate')
auth_type, auth_info = header.split(None, 1)
d = requests.utils.parse_dict_header(auth_info)
nonce = '0x{}'.format(d['nonce'])
if wallet == 'mew':
print('\nObtaining a key/secret pair to streamline all future '
'requests with the authentication server.\n'
'Visit https://www.myetherwallet.com/signmsg.html and sign the '
'following message:\n{}'.format(nonce))
signature = input('Copy and Paste the "sig" field from '
'the signature here (without the double quotes, '
'only the HEX value):\n')
else:
raise MarketplaceWalletNotSupported(wallet=wallet)
if signature is None:
raise MarketplaceEmptySignature()
signature = signature[2:]
r = int(signature[0:64], base=16)
s = int(signature[64:128], base=16)
v = int(signature[128:130], base=16)
vrs = [v, r, s]
response = session.get(
'{}/marketplace/getkeysecret'.format(AUTH_SERVER),
headers={
'Authorization':
'Digest username="******",realm="{1}",'
'nonce="{2}",uri="/marketplace/getkeysecret",response="{3}",'
'opaque="{4}"'.format(pubAddr, d['realm'], d['nonce'],
','.join(str(e) for e in vrs + [wallet]),
d['opaque'])
})
if response.status_code == 200:
if 'error' in response.json():
raise MarketplaceHTTPRequest(request=str('obtain key/secret'),
error=str(response.json()['error']))
else:
addresses = get_user_pubaddr()
match = next((l for l in addresses if l['pubAddr'] == pubAddr),
None)
match['key'] = response.json()['key']
match['secret'] = response.json()['secret']
addresses[addresses.index(match)] = match
save_user_pubaddr(addresses)
print('Key/secret pair retrieved successfully from server.')
return match['key'], match['secret']
else:
raise MarketplaceHTTPRequest(request=str('obtain key/secret'),
error=response.status_code)
def __init__(self):
global Web3
try:
from web3 import Web3, HTTPProvider
except ImportError:
raise MarketplaceRequiresPython3()
self.addresses = get_user_pubaddr()
if not self.addresses[0]['accepted_terms']:
terms_and_conditions_url = urllib.urlopen(TERMS_AND_CONDITIONS)
terms_and_conditions = terms_and_conditions_url.read()\
.decode(terms_and_conditions_url.info().get_content_charset())
print(terms_and_conditions)
while True:
accepted_terms = input('Do you accept these terms and '
'conditions? [y, n] ').lower().strip()
if accepted_terms == 'y':
for address in self.addresses:
address['accepted_terms'] = True
save_user_pubaddr(self.addresses)
print()
break
if self.addresses[0]['pubAddr'] == '':
print('We need to populate a file located at {} to be used for '
'future marketplace requests. \n'
'You shouldn\'t need to interact with this file from here '
'on out, but if you need to, you can go '
'ahead and edit this file directly.'
.format(os.path.join(get_marketplace_folder(),
'addresses.json')))
while True:
pub_addr = input('What is your Ethereum public address? ')\
.strip()
if pub_addr:
break
desc = input('What is a description for this address (optional, '
'but helpful to distinguish between '
'multiple accounts you may be using)? ')
while True:
wallet = input('What wallet type are you using (strongly '
'recommend metamask)? [metamask, ledger, '
'bitbox, keystore, key] ')
if wallet in ['metamask', 'ledger', 'bitbox', 'keystore',
'key']:
break
self.addresses[0].update({'pubAddr': pub_addr,
'desc': desc, 'wallet': wallet})
save_user_pubaddr(self.addresses)
print()
self.default_account = self.addresses[0]['pubAddr']
self.web3 = Web3(HTTPProvider(ETH_REMOTE_NODE))
contract_url = urllib.urlopen(MARKETPLACE_CONTRACT)
self.mkt_contract_address = Web3.toChecksumAddress(
contract_url.readline().decode(
contract_url.info().get_content_charset()).strip())
abi_url = urllib.urlopen(MARKETPLACE_CONTRACT_ABI)
abi_url = abi_url.read().decode(
abi_url.info().get_content_charset())
abi = json.loads(abi_url)
self.mkt_contract = self.web3.eth.contract(
self.mkt_contract_address,
abi=abi,
)
contract_url = urllib.urlopen(ENIGMA_CONTRACT)
self.eng_contract_address = Web3.toChecksumAddress(
contract_url.readline().decode(
contract_url.info().get_content_charset()).strip())
abi_url = urllib.urlopen(ENIGMA_CONTRACT_ABI)
abi_url = abi_url.read().decode(
abi_url.info().get_content_charset())
abi = json.loads(abi_url)
self.eng_contract = self.web3.eth.contract(
self.eng_contract_address,
abi=abi,
)
