lbry-sdk/lbrynet/pointtraderclient/pointtraderclient.py
2017-01-16 22:32:54 -05:00

231 lines
6.2 KiB
Python

from lbrynet import conf
from twisted.web.client import Agent, FileBodyProducer, Headers, ResponseDone
from twisted.internet import threads, defer, protocol
from Crypto.Hash import SHA
from Crypto.PublicKey import RSA
from Crypto.Signature import PKCS1_PSS
from StringIO import StringIO
import time
import json
import binascii
class BeginningPrinter(protocol.Protocol):
def __init__(self, finished):
self.finished = finished
self.data = ""
def dataReceived(self, bytes):
self.data = self.data + bytes
def connectionLost(self, reason):
if reason.check(ResponseDone) is not None:
self.finished.callback(str(self.data))
else:
self.finished.errback(reason)
def read_body(response):
d = defer.Deferred()
response.deliverBody(BeginningPrinter(d))
return d
def get_body(response):
if response.code != 200:
print "\n\n\n\nbad error code\n\n\n\n"
raise ValueError(response.phrase)
else:
return read_body(response)
def get_body_from_request(path, data):
from twisted.internet import reactor
jsondata = FileBodyProducer(StringIO(json.dumps(data)))
agent = Agent(reactor)
d = agent.request(
'POST', conf.settings['pointtrader_server'] + path,
Headers({'Content-Type': ['application/json']}), jsondata)
d.addCallback(get_body)
return d
def print_response(response):
pass
def print_error(err):
print err.getTraceback()
return err
def register_new_account(private_key):
data = {}
data['pub_key'] = private_key.publickey().exportKey()
def get_success_from_body(body):
r = json.loads(body)
if not 'success' in r or r['success'] is False:
return False
return True
d = get_body_from_request('/register/', data)
d.addCallback(get_success_from_body)
return d
def send_points(private_key, recipient_public_key, amount):
encoded_public_key = private_key.publickey().exportKey()
timestamp = time.time()
h = SHA.new()
h.update(encoded_public_key)
h.update(recipient_public_key)
h.update(str(amount))
h.update(str(timestamp))
signer = PKCS1_PSS.new(private_key)
signature = binascii.hexlify(signer.sign(h))
data = {}
data['sender_pub_key'] = encoded_public_key
data['recipient_pub_key'] = recipient_public_key
data['amount'] = amount
data['timestamp'] = timestamp
data['signature'] = signature
def get_success_from_body(body):
r = json.loads(body)
if not 'success' in r or r['success'] is False:
return False
return True
d = get_body_from_request('/send-points/', data)
d.addCallback(get_success_from_body)
return d
def get_recent_transactions(private_key):
encoded_public_key = private_key.publickey().exportKey()
timestamp = time.time()
h = SHA.new()
h.update(encoded_public_key)
h.update(str(timestamp))
signer = PKCS1_PSS.new(private_key)
signature = binascii.hexlify(signer.sign(h))
data = {}
data['pub_key'] = encoded_public_key
data['timestamp'] = timestamp
data['signature'] = signature
data['end_time'] = 0
data['start_time'] = 120
def get_transactions_from_body(body):
r = json.loads(body)
if "transactions" not in r:
raise ValueError("Invalid response: no 'transactions' field")
else:
return r['transactions']
d = get_body_from_request('/get-transactions/', data)
d.addCallback(get_transactions_from_body)
return d
def get_balance(private_key):
encoded_public_key = private_key.publickey().exportKey()
timestamp = time.time()
h = SHA.new()
h.update(encoded_public_key)
h.update(str(timestamp))
signer = PKCS1_PSS.new(private_key)
signature = binascii.hexlify(signer.sign(h))
data = {}
data['pub_key'] = encoded_public_key
data['timestamp'] = timestamp
data['signature'] = signature
def get_balance_from_body(body):
r = json.loads(body)
if not 'balance' in r:
raise ValueError("Invalid response: no 'balance' field")
else:
return float(r['balance'])
d = get_body_from_request('/get-balance/', data)
d.addCallback(get_balance_from_body)
return d
def run_full_test():
keys = []
def save_key(private_key):
keys.append(private_key)
return private_key
def check_balances_and_transactions(unused, bal1, bal2, num_transactions):
def assert_balance_is(actual, expected):
assert abs(actual - expected) < .05
print "correct balance. actual:", str(actual), "expected:", str(expected)
return True
def assert_transaction_length_is(transactions, expected_length):
assert len(transactions) == expected_length
print "correct transaction length"
return True
d1 = get_balance(keys[0])
d1.addCallback(assert_balance_is, bal1)
d2 = get_balance(keys[1])
d2.addCallback(assert_balance_is, bal2)
d3 = get_recent_transactions(keys[0])
d3.addCallback(assert_transaction_length_is, num_transactions)
d4 = get_recent_transactions(keys[1])
d4.addCallback(assert_transaction_length_is, num_transactions)
dl = defer.DeferredList([d1, d2, d3, d4])
return dl
def do_transfer(unused, amount):
d = send_points(keys[0], keys[1].publickey().exportKey(), amount)
return d
d1 = threads.deferToThread(RSA.generate, 4096)
d1.addCallback(save_key)
d1.addCallback(register_new_account)
d2 = threads.deferToThread(RSA.generate, 4096)
d2.addCallback(save_key)
d2.addCallback(register_new_account)
dlist = defer.DeferredList([d1, d2])
dlist.addCallback(check_balances_and_transactions, 1000, 1000, 0)
dlist.addCallback(do_transfer, 50)
dlist.addCallback(check_balances_and_transactions, 950, 1050, 1)
dlist.addCallback(do_transfer, 75)
dlist.addCallback(check_balances_and_transactions, 875, 1125, 2)
dlist.addErrback(print_error)
if __name__ == "__main__":
from twisted.internet import reactor
reactor.callLater(1, run_full_test)
reactor.callLater(25, reactor.stop)
reactor.run()