def buyer_place_order(self, product, proxy):
buyer_rsa_pubkey = self.rsa_public_key
desc_hash = Encoder.str_to_base64_byte(product['msg_hash'])
public_key = ECCipher.create_public_key(
Encoder.hex_to_bytes(product['owner_address']))
seller_addr = w3.toChecksumAddress(
ECCipher.get_address_from_public_key(public_key))
proxy = w3.toChecksumAddress(proxy)
product = OrderInfo(desc_hash=desc_hash,
buyer_rsa_pubkey=buyer_rsa_pubkey,
seller=seller_addr,
proxy=proxy,
secondary_proxy=proxy,
proxy_value=100,
value=product['price'],
time_allowed=3600 * 24)
w3.personal.unlockAccount(self.account.address, _passphrase)
order_id = self.buyer_agent.place_order(product)
# w3.personal.lockAccount(self.account.address)
# return -1 if failure
return order_id
def derive_proxy_data(msg):
msg = unpackb(msg, raw=False)
public_key = ECCipher.create_public_key(msg['public_key'])
data = msg['data']
signature = msg['signature']
valid = ECCipher.verify_sign(public_key, signature, data)
if valid:
return data
def sign_message_verify(sign_message):
try:
public_key = ECCipher.create_public_key(sign_message.public_key)
valid = ECCipher.verify_sign(public_key, sign_message.signature,
sign_message.data)
except:
return False
else:
return valid
def get_public_key(public_key_string):
pub_key_bytes = Encoder.hex_to_bytes(public_key_string)
return ECCipher.create_public_key(pub_key_bytes)
def is_address_from_key(addr, public_key):
public_key = ECCipher.create_public_key(public_key)
public_addr = ECCipher.get_address_from_public_key(public_key)
return addr == public_addr
def is_valid_signature(public_key_string, raw_data, signature):
public_key_bytes = Encoder.hex_to_bytes(public_key_string)
public_key = ECCipher.create_public_key(public_key_bytes)
logger.debug("is_valid_verify_code public_key:" + public_key_string +
",raw_data:" + raw_data + ",signature:" + signature)
return verify_signature(public_key, signature, raw_data)