def test_improve_path():
size = 100
headers = make_headers(size)
bcv = make_bcv(0)
assert bcv.last_block_index() == -1
for count in range(100):
report = bcv.do_headers_improve_path([headers[count]])
assert report == count
assert bcv.last_block_index() == count
# let's try to extend from 95
headers = make_headers(10, headers[95])
for count in range(96, 100):
report = bcv.do_headers_improve_path(headers[0:count-95])
assert report == False
count = 100
report = bcv.do_headers_improve_path(headers[0:count-95])
assert report == 96
report = bcv.do_headers_improve_path(headers[5:])
assert report == 101
def test_improve_path():
size = 100
headers = make_headers(size)
bcv = make_bcv(0)
assert bcv.last_block_index() == -1
for count in range(100):
report = bcv.do_headers_improve_path([headers[count]])
assert report == count
assert bcv.last_block_index() == count
# let's try to extend from 95
headers = make_headers(10, headers[95])
for count in range(96, 100):
report = bcv.do_headers_improve_path(headers[0:count - 95])
assert report == False
count = 100
report = bcv.do_headers_improve_path(headers[0:count - 95])
assert report == 96
report = bcv.do_headers_improve_path(headers[5:])
assert report == 101
def test_block_locator_hashes():
for size in [100, 500, 720, 1000]:
headers = make_headers(size)
nodes = [(i, headers[i].hash(), i) for i in range(size)]
bcv = BlockChainView(nodes)
blh = bcv.block_locator_hashes()
tuples = [bcv.tuple_for_hash(h) for h in blh]
indices = [t[0] for t in tuples]
indices.sort()
assert indices == sorted(bcv.key_index_generator())
bcv.winnow()
blh = bcv.block_locator_hashes()
tuples = [bcv.tuple_for_hash(h) for h in blh]
indices = [t[0] for t in tuples]
indices.sort()
assert indices == list(t[0] for t in bcv.node_tuples)
def test_block_locator_hashes():
for size in [100, 500, 720, 1000]:
headers = make_headers(size)
nodes = [(i, headers[i].hash(), i) for i in range(size)]
bcv = BlockChainView(nodes)
blh = bcv.block_locator_hashes()
tuples = [bcv.tuple_for_hash(h) for h in blh]
indices = [t[0] for t in tuples]
indices.sort()
assert indices == sorted(bcv.key_index_generator())
bcv.winnow()
blh = bcv.block_locator_hashes()
tuples = [bcv.tuple_for_hash(h) for h in blh]
indices = [t[0] for t in tuples]
indices.sort()
assert indices == list(t[0] for t in bcv.node_tuples)
def test_tuple_for_hash():
for size in [100, 500, 720, 1000]:
bcv = make_bcv(size)
headers = make_headers(size)
for idx, header in enumerate(headers):
the_hash = header.hash()
the_tuple = bcv.tuple_for_hash(the_hash)
assert the_tuple[0] == idx
assert the_tuple[1] == the_hash
bcv.winnow()
items = BlockChainView._halsies_indices(size - 1)
for idx, header in enumerate(headers):
the_hash = header.hash()
the_tuple = bcv.tuple_for_hash(the_hash)
if idx in items:
assert the_tuple[0] == idx
assert the_tuple[1] == the_hash
else:
assert the_tuple == None
def test_tuple_for_hash():
for size in [100, 500, 720, 1000]:
bcv = make_bcv(size)
headers = make_headers(size)
for idx, header in enumerate(headers):
the_hash = header.hash()
the_tuple = bcv.tuple_for_hash(the_hash)
assert the_tuple[0] == idx
assert the_tuple[1] == the_hash
bcv.winnow()
items = BlockChainView._halsies_indices(size-1)
for idx, header in enumerate(headers):
the_hash = header.hash()
the_tuple = bcv.tuple_for_hash(the_hash)
if idx in items:
assert the_tuple[0] == idx
assert the_tuple[1] == the_hash
else:
assert the_tuple == None
def make_bcv(node_count):
headers = make_headers(node_count)
nodes = ((i, header.hash(), i) for i, header in enumerate(headers))
return BlockChainView(nodes)
def make_bcv(node_count):
headers = make_headers(node_count)
nodes = ((i, header.hash(), i) for i, header in enumerate(headers))
return BlockChainView(nodes)
