def test_var_db(self, context, key_value_db, old_value, new_value, value_type):
context_db = ContextDatabase(key_value_db, is_shared=False)
address = Address(AddressPrefix.CONTRACT, os.urandom(20))
score_db = IconScoreDatabase(address, context_db)
self._init_context(context, address)
self._set_revision(context, Revision.USE_RLP.value - 1)
name = "var_db"
var_db = VarDB(name, score_db, value_type)
var_db.set(old_value)
assert var_db.get() == old_value
key = _get_final_key(address, ContainerTag.VAR, name.encode(), use_rlp=False)
assert key_value_db.get(key) == ContainerUtil.encode_value(old_value)
self._set_revision(context, Revision.USE_RLP.value)
assert key_value_db.get(key) == ContainerUtil.encode_value(old_value)
var_db.set(new_value)
assert var_db.get() == new_value
assert var_db.get() != old_value
key = _get_final_key(address, ContainerTag.VAR, name.encode(), use_rlp=True)
assert key_value_db.get(key) == ContainerUtil.encode_value(new_value)
var_db.remove()
assert var_db.get() == get_default_value(value_type)
assert len(key_value_db) == 0
def test_1_depth_dict_db(self, context, key_value_db, keys, old_values, new_values, value_type):
context_db = ContextDatabase(key_value_db, is_shared=False)
score_address = Address(AddressPrefix.CONTRACT, os.urandom(20))
score_db = IconScoreDatabase(score_address, context_db)
self._init_context(context, score_address)
self._set_revision(context, Revision.USE_RLP.value - 1)
name = "dict_db_depth_1"
dict_db = DictDB(name, score_db, depth=1, value_type=value_type)
# Put two items to dict_db
for i in range(2):
k, v = keys[i], old_values[i]
dict_db[k] = v
assert dict_db[k] == v
key = _get_final_key(
score_address, ContainerTag.DICT, name.encode(), ContainerUtil.encode_key(k),
use_rlp=False
)
assert key_value_db.get(key) == ContainerUtil.encode_value(v)
self._set_revision(context, Revision.USE_RLP.value)
# Read old-formatted data on Revision.USE_RLP
for i in range(2):
k, v = keys[i], old_values[i]
assert dict_db[k] == v
key = _get_final_key(
score_address, ContainerTag.DICT, name.encode(), ContainerUtil.encode_key(k),
use_rlp=False
)
assert key_value_db.get(key) == ContainerUtil.encode_value(v)
# Put 4 items to dict_db
for i, k in enumerate(keys):
old_v = old_values[i]
new_v = new_values[i]
dict_db[k] = new_v
assert dict_db[k] == new_v
assert dict_db[k] != old_v
key = _get_final_key(
score_address, ContainerTag.DICT, name.encode(), ContainerUtil.encode_key(k),
use_rlp=True
)
assert key_value_db.get(key) == ContainerUtil.encode_value(new_v)
# If there is no value for a given key, default value is returned
for k in keys:
del dict_db[k]
assert dict_db[k] == get_default_value(value_type)
assert len(key_value_db) == 0
def test_score_db(self, context, key_value_db, prefixes, old_values, new_values):
context_db = ContextDatabase(key_value_db, is_shared=False)
score_address = Address(AddressPrefix.CONTRACT, os.urandom(20))
score_db = IconScoreDatabase(score_address, context_db)
args = [score_address]
self._init_context(context, score_address)
self._set_revision(context, Revision.USE_RLP.value - 1)
for prefix in prefixes:
score_db = score_db.get_sub_db(prefix)
args.append(prefix)
for i, value in enumerate(old_values):
key: bytes = f"key{i}".encode()
encoded_value: bytes = ContainerUtil.encode_value(value)
score_db.put(key, encoded_value)
assert score_db.get(key) == encoded_value
final_key: bytes = _get_final_key(*args, key, use_rlp=False)
assert key_value_db.get(final_key) == encoded_value
self._set_revision(context, Revision.USE_RLP.value)
for i, value in enumerate(old_values):
key: bytes = f"key{i}".encode()
encoded_value: bytes = ContainerUtil.encode_value(value)
assert score_db.get(key) == encoded_value
final_key: bytes = _get_final_key(*args, key, use_rlp=False)
assert key_value_db.get(final_key) == encoded_value
for i, value in enumerate(new_values):
key: bytes = f"key{i}".encode()
encoded_value: bytes = ContainerUtil.encode_value(value)
score_db.put(key, encoded_value)
assert score_db.get(key) == encoded_value
final_key: bytes = _get_final_key(*args, key, use_rlp=True)
assert key_value_db.get(final_key) == encoded_value
score_db.delete(key)
assert score_db.get(key) is None
assert key_value_db.get(final_key) is None
def test_array_db(self, context, key_value_db, values, value_type):
context_db = ContextDatabase(key_value_db, is_shared=False)
address = Address(AddressPrefix.CONTRACT, os.urandom(20))
score_db = IconScoreDatabase(address, context_db)
self._init_context(context, score_db.address)
self._set_revision(context, Revision.USE_RLP.value - 1)
name = "array_db"
array_db = ArrayDB(name, score_db, value_type)
for i in range(2):
array_db.put(values[i])
assert len(array_db) == 2
self._set_revision(context, Revision.USE_RLP.value)
array_db.put(values[2])
array_db.put(values[3])
assert len(array_db) == 4
for i, value in enumerate(array_db):
assert value == values[i]
final_key: bytes = _get_final_key(address, ContainerTag.ARRAY, name.encode(), use_rlp=True)
assert key_value_db.get(final_key) == int_to_bytes(len(array_db))
for i, use_rlp in enumerate((False, False, True, True)):
key = _get_final_key(
address.to_bytes(),
ContainerTag.ARRAY.value,
name.encode(),
int_to_bytes(i),
use_rlp=use_rlp,
)
assert key_value_db.get(key) == ContainerUtil.encode_value(values[i])
for v in reversed(values):
assert v == array_db.pop()
assert len(array_db) == 0
# 2 values for array_db size still remain
# even though all items in array_db have been popped.
assert len(key_value_db) == 2
def test_2_depth_dict_db(self, context, key_value_db, keys1, keys2, old_values, new_values, value_type):
context_db = ContextDatabase(key_value_db, is_shared=False)
score_address = Address(AddressPrefix.CONTRACT, os.urandom(20))
score_db = IconScoreDatabase(score_address, context_db)
self._init_context(context, score_address)
self._set_revision(context, Revision.USE_RLP.value - 1)
name = "dict_db_depth_2"
dict_db = DictDB(name, score_db, depth=2, value_type=value_type)
# To assign a value to middle-layer dict_db is forbidden
for k1, v in zip(keys1, old_values):
with pytest.raises(InvalidContainerAccessException):
dict_db[k1] = v
# Assign values to dict_db on Revision.USE_RLP - 1
for k1 in keys1:
for k2, v in zip(keys2, old_values):
dict_db[k1][k2] = v
assert len(key_value_db) == len(keys1) * len(keys2)
for k1 in keys1:
for k2, v in zip(keys2, old_values):
assert dict_db[k1][k2] == v
key: bytes = _get_final_key(
score_address,
ContainerTag.DICT, name.encode(),
ContainerTag.DICT, ContainerUtil.encode_key(k1),
ContainerUtil.encode_key(k2),
use_rlp=False
)
assert key_value_db.get(key) == ContainerUtil.encode_value(v)
self._set_revision(context, Revision.USE_RLP.value)
# Check if reading old-formatted key:value data works on Revision.USE_RLP
for k1 in keys1:
for k2, v in zip(keys2, old_values):
assert dict_db[k1][k2] == v
# Replace all old_values with new_values on Revision.USE_RLP
for k1 in keys1:
for k2, v in zip(keys2, new_values):
dict_db[k1][k2] = v
# old_values + new_values
assert len(key_value_db) == len(keys1) * len(keys2) * 2
for k1 in keys1:
for k2, v in zip(keys2, new_values):
assert dict_db[k1][k2] == v
key: bytes = _get_final_key(
score_address,
ContainerTag.DICT, name.encode(),
ContainerUtil.encode_key(k1),
ContainerUtil.encode_key(k2),
use_rlp=True
)
assert key_value_db.get(key) == ContainerUtil.encode_value(v)
for k1 in keys1:
for k2 in keys2:
del dict_db[k1][k2]
assert dict_db[k1][k2] == get_default_value(value_type)
assert len(key_value_db) == 0