本文整理汇总了Python中sawtooth_validator.state.merkle.MerkleDatabase.delete方法的典型用法代码示例。如果您正苦于以下问题：Python MerkleDatabase.delete方法的具体用法？Python MerkleDatabase.delete怎么用？Python MerkleDatabase.delete使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sawtooth_validator.state.merkle.MerkleDatabase的用法示例。
在下文中一共展示了MerkleDatabase.delete方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestSawtoothMerkleTrie
# 需要导入模块: from sawtooth_validator.state.merkle import MerkleDatabase [as 别名]
# 或者: from sawtooth_validator.state.merkle.MerkleDatabase import delete [as 别名]
class TestSawtoothMerkleTrie(unittest.TestCase):
def setUp(self):
self.lmdb = lmdb_nolock_database.LMDBNoLockDatabase(
"/home/vagrant/merkle.lmdb",
'n')
self.trie = MerkleDatabase(self.lmdb)
def tearDown(self):
self.trie.close()
def test_merkle_trie_root_advance(self):
value = {"name": "foo", "value": 1}
orig_root = self.trie.get_merkle_root()
new_root = self.trie.set(MerkleDatabase.hash("foo"),
value)
with self.assertRaises(KeyError):
self.trie.get(MerkleDatabase.hash("foo"))
self.trie.set_merkle_root(new_root)
self.assertEqual(self.trie.get(MerkleDatabase.hash("foo")),
value)
def test_merkle_trie_delete(self):
value = {"name": "bar", "value": 1}
new_root = self.trie.set(MerkleDatabase.hash("bar"), value)
self.trie.set_merkle_root(new_root)
self.assertEqual(self.trie.get(MerkleDatabase.hash("bar")),
value)
del_root = self.trie.delete(MerkleDatabase.hash("bar"))
self.trie.set_merkle_root(del_root)
with self.assertRaises(KeyError):
self.trie.get(MerkleDatabase.hash("bar"))
def test_merkle_trie_update(self):
value = ''.join(random.choice(string.ascii_lowercase)
for _ in range(512))
keys = []
for i in range(1000):
key = ''.join(random.choice(string.ascii_lowercase)
for _ in range(10))
keys.append(key)
hash = MerkleDatabase.hash(key)
new_root = self.trie.set(hash, {key: value})
self.trie.set_merkle_root(new_root)
set_items = {}
for key in random.sample(keys, 50):
hash = MerkleDatabase.hash(key)
thing = {key: 5.0}
set_items[hash] = thing
update_root = self.trie.update(set_items)
self.trie.set_merkle_root(update_root)
for address in set_items:
self.assertEqual(self.trie.get(address),
set_items[address])示例2: TestSawtoothMerkleTrie
# 需要导入模块: from sawtooth_validator.state.merkle import MerkleDatabase [as 别名]
# 或者: from sawtooth_validator.state.merkle.MerkleDatabase import delete [as 别名]
class TestSawtoothMerkleTrie(unittest.TestCase):
def setUp(self):
self.dir = tempfile.mkdtemp()
self.file = os.path.join(self.dir, 'merkle.lmdb')
self.lmdb = lmdb_nolock_database.LMDBNoLockDatabase(
self.file,
'n')
self.trie = MerkleDatabase(self.lmdb)
def tearDown(self):
self.trie.close()
def test_merkle_trie_root_advance(self):
value = {'name': 'foo', 'value': 1}
orig_root = self.get_merkle_root()
new_root = self.set('foo', value)
self.assert_root(orig_root)
self.assert_no_key('foo')
self.set_merkle_root(new_root)
self.assert_root(new_root)
self.assert_value_at_address('foo', value)
def test_merkle_trie_delete(self):
value = {'name': 'bar', 'value': 1}
new_root = self.set('bar', value)
self.set_merkle_root(new_root)
self.assert_root(new_root)
self.assert_value_at_address('bar', value)
# deleting an invalid key should raise an error
with self.assertRaises(KeyError):
self.delete('barf')
del_root = self.delete('bar')
# del_root hasn't been set yet, so address should still have value
self.assert_root(new_root)
self.assert_value_at_address('bar', value)
self.set_merkle_root(del_root)
self.assert_root(del_root)
self.assert_no_key('bar')
def test_merkle_trie_update(self):
init_root = self.get_merkle_root()
values = {}
key_hashes = {
key: _hash(key)
for key in (_random_string(10) for _ in range(1000))
}
for key, hashed in key_hashes.items():
value = {key: _random_string(512)}
new_root = self.set(hashed, value, ishash=True)
values[hashed] = value
self.set_merkle_root(new_root)
self.assert_not_root(init_root)
for address, value in values.items():
self.assert_value_at_address(
address, value, ishash=True)
set_items = {
hashed: {
key: 5.0
}
for key, hashed in random.sample(key_hashes.items(), 50)
}
values.update(set_items)
delete_items = {
hashed
for hashed in random.sample(list(key_hashes.values()), 50)
}
# make sure there are no sets and deletes of the same key
delete_items = delete_items - set_items.keys()
for addr in delete_items:
del values[addr]
virtual_root = self.update(set_items, delete_items, virtual=True)
# virtual root shouldn't match actual contents of tree
with self.assertRaises(KeyError):
self.set_merkle_root(virtual_root)
actual_root = self.update(set_items, delete_items, virtual=False)
# the virtual root should be the same as the actual root
self.assertEqual(virtual_root, actual_root)
#.........这里部分代码省略.........
示例3: TestSawtoothMerkleTrie
# 需要导入模块: from sawtooth_validator.state.merkle import MerkleDatabase [as 别名]
# 或者: from sawtooth_validator.state.merkle.MerkleDatabase import delete [as 别名]
class TestSawtoothMerkleTrie(unittest.TestCase):
def setUp(self):
self.dir = tempfile.mkdtemp()
self.file = os.path.join(self.dir, 'merkle.lmdb')
self.lmdb = NativeLmdbDatabase(
self.file,
indexes=MerkleDatabase.create_index_configuration(),
_size=120 * 1024 * 1024)
self.trie = MerkleDatabase(self.lmdb)
def tearDown(self):
self.trie.close()
shutil.rmtree(self.dir)
def test_merkle_trie_root_advance(self):
value = {'name': 'foo', 'value': 1}
orig_root = self.get_merkle_root()
new_root = self.set('foo', value)
self.assert_root(orig_root)
self.assert_no_key('foo')
self.set_merkle_root(new_root)
self.assert_root(new_root)
self.assert_value_at_address('foo', value)
def test_merkle_trie_delete(self):
value = {'name': 'bar', 'value': 1}
new_root = self.set('bar', value)
self.set_merkle_root(new_root)
self.assert_root(new_root)
self.assert_value_at_address('bar', value)
# deleting an invalid key should raise an error
with self.assertRaises(KeyError):
self.delete('barf')
del_root = self.delete('bar')
# del_root hasn't been set yet, so address should still have value
self.assert_root(new_root)
self.assert_value_at_address('bar', value)
self.set_merkle_root(del_root)
self.assert_root(del_root)
self.assert_no_key('bar')
def test_merkle_trie_update(self):
init_root = self.get_merkle_root()
values = {}
key_hashes = {
key: _hash(key)
for key in (_random_string(10) for _ in range(1000))
}
for key, hashed in key_hashes.items():
value = {key: _random_string(512)}
new_root = self.set(hashed, value, ishash=True)
values[hashed] = value
self.set_merkle_root(new_root)
self.assert_not_root(init_root)
for address, value in values.items():
self.assert_value_at_address(
address, value, ishash=True)
set_items = {
hashed: {
key: 5.0
}
for key, hashed in random.sample(key_hashes.items(), 50)
}
values.update(set_items)
delete_items = {
hashed
for hashed in random.sample(list(key_hashes.values()), 50)
}
# make sure there are no sets and deletes of the same key
delete_items = delete_items - set_items.keys()
for addr in delete_items:
del values[addr]
virtual_root = self.update(set_items, delete_items, virtual=True)
# virtual root shouldn't match actual contents of tree
with self.assertRaises(KeyError):
self.set_merkle_root(virtual_root)
actual_root = self.update(set_items, delete_items, virtual=False)
#.........这里部分代码省略.........