research-lab/source-code/Poisson-Graphs/Block.py
2018-02-01 17:36:30 -07:00

46 lines
1.8 KiB
Python

import unittest, random, time
def newIdent(params):
nonce = params
# Generate new random identity.
return hash(str(nonce) + str(random.random()))
#### #### #### #### #### #### #### #### #### #### #### #### #### #### #### ####
class Block(object):
'''
Each block has: an identity, a timestamp of discovery (possibly false),
has a timestamp of arrival at the local node (possibly unnecessary), a
parent block's identity, and a difficulty score.
'''
def __init__(self, params={}):
self.ident = None
self.discoTimestamp = None
self.arrivTimestamp = None
self.parent = None
self.diff = None
try:
assert len(params)==5
except AssertionError:
print("Error in Block(): Tried to add a malformed block. We received params = " + str(params) + ", but should have had something of the form {\"ident\":ident, \"disco\":disco, \"arriv\":arriv, \"parent\":parent, \"diff\":diff}.")
self.ident = params["ident"]
self.discoTimestamp = params["disco"]
self.arrivTimestamp = params["arriv"]
self.parent = params["parent"]
self.diff = params["diff"]
class Test_Block(unittest.TestCase):
def test_b(self):
#bill = Block()
name = newIdent(0)
t = time.time()
s = t+1
diff = 1.0
params = {"ident":name, "disco":t, "arriv":s, "parent":None, "diff":diff}
bill = Block(params)
self.assertEqual(bill.ident,name)
self.assertEqual(bill.discoTimestamp,t)
self.assertEqual(bill.arrivTimestamp,t+1)
self.assertTrue(bill.parent is None)
self.assertEqual(bill.diff,diff)
suite = unittest.TestLoader().loadTestsFromTestCase(Test_Block)
unittest.TextTestRunner(verbosity=1).run(suite)