def test_binary_fixed_lenght_of_zero():
sedes = Binary.fixed_length(0)
assert sedes.serialize(b'') == b''
with pytest.raises(SerializationError):
sedes.serialize(b'a')
with pytest.raises(SerializationError):
sedes.serialize(b'arst')
"""
util to benchmark known usecase
"""
import random
import rlp_cython as rlp
from rlp_cython.sedes import big_endian_int, BigEndianInt, Binary, binary, CountableList
from rlp_cython.sedes.serializable import Serializable
import time
address = Binary.fixed_length(20, allow_empty=True)
int20 = BigEndianInt(20)
int32 = BigEndianInt(32)
int256 = BigEndianInt(256)
hash32 = Binary.fixed_length(32)
trie_root = Binary.fixed_length(32, allow_empty=True)
def zpad(x, l):
return b'\x00' * max(0, l - len(x)) + x
class Transaction(Serializable):
fields = [
('nonce', big_endian_int),
('gasprice', big_endian_int),
('startgas', big_endian_int),
('to', address),
('value', big_endian_int),
('data', binary),
('v', big_endian_int),
('r', big_endian_int),
from rlp_cython.sedes import (
BigEndianInt,
Binary,
)
from hvm.constants import (
COLLATION_SIZE, )
address = Binary.fixed_length(20, allow_empty=True)
collation_body = Binary.fixed_length(COLLATION_SIZE)
hash32 = Binary.fixed_length(32)
int32 = BigEndianInt(32)
int256 = BigEndianInt(256)
trie_root = Binary.fixed_length(32, allow_empty=True)
def test_binary_min_length_serialization(value, expected):
sedes = Binary(min_length=3)
assert sedes.serialize(value) == expected
def test_binary_variable_length_serialization_wrong_length(value):
sedes = Binary(2, 4)
with pytest.raises(SerializationError):
sedes.serialize(value)
def test_binary_variable_length_serialization(value, expected):
sedes = Binary(2, 4)
assert sedes.serialize(value) == expected
def test_binary_fixed_length_serialization_with_wrong_length(value):
sedes = Binary.fixed_length(5)
with pytest.raises(SerializationError):
sedes.serialize(value)
def test_binary_fixed_length_serialization(value, expected):
sedes = Binary.fixed_length(5)
assert sedes.serialize(value) == expected
def test_binary_unserializable_values(value):
sedes = Binary()
with pytest.raises(SerializationError):
sedes.serialize(value)
def test_simple_binary_serialization(value, expected):
sedes = Binary()
assert sedes.serialize(value) == expected
def test_binary_min_and_max_length_with_allow_empty_wrong_length(value):
sedes = Binary(min_length=3, max_length=5, allow_empty=True)
with pytest.raises(SerializationError):
sedes.serialize(value)
def test_binary_min_and_max_length_with_allow_empty(value, expected):
sedes = Binary(min_length=3, max_length=5, allow_empty=True)
assert sedes.serialize(value) == expected
def test_binary_max_length_serialization_wrong_length(value):
sedes = Binary(max_length=3)
with pytest.raises(SerializationError):
sedes.serialize(value)