def test_int_from_integer():
i = secrets.randbits(256 - 8)
assert i == int_from_integer(i)
assert i == int_from_integer(hex(i).upper())
assert i == int_from_integer(bin(i).upper())
assert i == int_from_integer(hex_string(i))
assert i == int_from_integer(i.to_bytes(32, "big"))
def test_single_byte_serialization() -> None:
for i in range(256):
hex_str = hex_string(i) # e.g., "1A"
serialized_byte = serialize([hex_str])
assert len(serialized_byte) == 2
assert serialized_byte[0] == 1
assert [hex_str] == parse(serialized_byte)
def test_integer_serialization() -> None:
assert ["OP_0"] == parse(b"\x00")
with warnings.catch_warnings():
warnings.simplefilter("ignore")
assert serialize([0]) != b"\x00"
for i in range(1, 17):
serialized_int = serialize([i])
assert [hex_string(i)] == parse(serialized_int)
for i in range(17, 128):
serialized_int = serialize([i]) # e.g., i = 26
assert [hex_string(i)] == parse(serialized_int)
for i in range(128, 256):
serialized_int = serialize([i])
def test_int_from_integer() -> None:
for i in (
secrets.randbits(256 - 8),
0x0B6CA75B7D3076C561958CCED813797F6D2275C7F42F3856D007D587769A90,
):
assert i == int_from_integer(i)
assert i == int_from_integer(" " + hex(i).upper())
assert -i == int_from_integer(hex(-i).upper() + " ")
assert i == int_from_integer(hex_string(i))
assert i == int_from_integer(i.to_bytes(32, "big"))
def test_hex_string():
a = 34492435054806958080
assert hex_string(a) == "01 DEADBEEF 00000000"
assert hex_string(hex(a).lower()) == "01 DEADBEEF 00000000"
assert hex_string(bin(a).lower()) == "01 DEADBEEF 00000000"
a = "01de adbeef00000000"
assert hex_string(a) == "01 DEADBEEF 00000000"
a = bytes.fromhex(a)
assert hex_string(a) == "01 DEADBEEF 00000000"
# invalid hex-string: odd number of hex digits
a = "1deadbeef00000000"
with pytest.raises(ValueError,
match="non-hexadecimal number found in fromhex"):
hex_string(a)
a = -1
with pytest.raises(ValueError, match="negative integer: "):
hex_string(a)
def test_hex_string() -> None:
int_ = 34492435054806958080
assert hex_string(int_) == "01 DEADBEEF 00000000"
assert hex_string(hex(int_).lower()) == "01 DEADBEEF 00000000"
a_str = "01de adbeef00000000"
assert hex_string(a_str) == "01 DEADBEEF 00000000"
a_bytes = bytes.fromhex(a_str)
assert hex_string(a_bytes) == "01 DEADBEEF 00000000"
# invalid hex-string: odd number of hex digits
a_str = "1deadbeef00000000"
with pytest.raises(ValueError,
match="non-hexadecimal number found in fromhex"):
hex_string(a_str)
int_ = -1
with pytest.raises(BTClibValueError, match="negative integer: "):
hex_string(int_)