mirror of https://github.com/ConsenSys/mythril
blockchainethereumsmart-contractssoliditysecurityprogram-analysissecurity-analysissymbolic-execution
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
2.0 KiB
60 lines
2.0 KiB
import pytest
|
|
from eth_utils import decode_hex, big_endian_to_int
|
|
from mythril.laser.ethereum.natives import mod_exp
|
|
|
|
|
|
EIP198_VECTOR_A = decode_hex(
|
|
"0000000000000000000000000000000000000000000000000000000000000001"
|
|
"0000000000000000000000000000000000000000000000000000000000000020"
|
|
"0000000000000000000000000000000000000000000000000000000000000020"
|
|
"03"
|
|
"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2e"
|
|
"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f"
|
|
)
|
|
|
|
EIP198_VECTOR_B = decode_hex(
|
|
"0000000000000000000000000000000000000000000000000000000000000000"
|
|
"0000000000000000000000000000000000000000000000000000000000000020"
|
|
"0000000000000000000000000000000000000000000000000000000000000020"
|
|
"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2e"
|
|
"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f"
|
|
)
|
|
|
|
EIP198_VECTOR_C = decode_hex(
|
|
"0000000000000000000000000000000000000000000000000000000000000001"
|
|
"0000000000000000000000000000000000000000000000000000000000000002"
|
|
"0000000000000000000000000000000000000000000000000000000000000020"
|
|
"03"
|
|
"ffff"
|
|
"8000000000000000000000000000000000000000000000000000000000000000"
|
|
"07"
|
|
)
|
|
|
|
EIP198_VECTOR_D = decode_hex(
|
|
"0000000000000000000000000000000000000000000000000000000000000001"
|
|
"0000000000000000000000000000000000000000000000000000000000000002"
|
|
"0000000000000000000000000000000000000000000000000000000000000020"
|
|
"03"
|
|
"ffff"
|
|
"80"
|
|
)
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"data,expected",
|
|
(
|
|
(EIP198_VECTOR_A, 1),
|
|
(EIP198_VECTOR_B, 0),
|
|
(
|
|
EIP198_VECTOR_C,
|
|
26689440342447178617115869845918039756797228267049433585260346420242739014315,
|
|
),
|
|
(
|
|
EIP198_VECTOR_D,
|
|
26689440342447178617115869845918039756797228267049433585260346420242739014315,
|
|
),
|
|
),
|
|
)
|
|
def test_modexp_result(data, expected):
|
|
actual = mod_exp(data)
|
|
assert big_endian_to_int(actual) == expected
|
|
|