def test_read_var_int(self, prepareLogger):
assert wire.readVarInt(ByteArray([0xFC]), wire.ProtocolVersion) == 0xFC
with pytest.raises(DecredError):
wire.readVarInt(
ByteArray([0xFE, 0xFF, 0xFF, 0x0, 0x0]), wire.ProtocolVersion
)
with pytest.raises(DecredError):
wire.readVarInt(ByteArray([0xFD, 0xFC, 0x0]), wire.ProtocolVersion)
def test_write_var_int(self, prepareLogger):
for val, bytes_ in self.data:
from_val = wire.writeVarInt(wire.ProtocolVersion, val)
from_bytes = ByteArray(bytes_)
assert from_val == from_bytes
val_from_bytes = wire.readVarInt(from_bytes, wire.ProtocolVersion)
assert val_from_bytes == val
with pytest.raises(DecredError):
wire.writeVarInt(wire.ProtocolVersion, wire.MaxUint64 + 1)
def test_write_var_int(self):
for val, bytes_ in self.data:
from_val = wire.writeVarInt(wire.ProtocolVersion, val)
from_bytes = ByteArray(bytes_)
self.assertEqual(from_val, from_bytes)
val_from_bytes = wire.readVarInt(from_bytes, wire.ProtocolVersion)
self.assertEqual(val_from_bytes, val)
self.assertRaises(
DecredError, wire.writeVarInt, wire.ProtocolVersion, wire.MaxUint64 + 1
)
def test_read_var_int(self):
self.assertEqual(wire.readVarInt(ByteArray([0xFC]), wire.ProtocolVersion), 0xFC)
self.assertRaises(
DecredError,
wire.readVarInt,
ByteArray([0xFE, 0xFF, 0xFF, 0x0, 0x0]),
wire.ProtocolVersion,
)
self.assertRaises(
DecredError,
wire.readVarInt,
ByteArray([0xFD, 0xFC, 0x0]),
wire.ProtocolVersion,
)
def deserialize(b):
"""
Deserialize the filter.
Args:
b (ByteArray): The serialized filter.
Returns:
FilterV2: The filter.
"""
filterData = ByteArray(b)
n = 0
if len(filterData) > 0:
n = wire.readVarInt(filterData, 0)
return FilterV2(n, filterData)