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185 | @pytest.mark.parametrize(
"opcode,opcode_args",
[
pytest.param(
Op.ADD,
DEFAULT_BINOP_ARGS,
marks=pytest.mark.repricing,
),
pytest.param(
Op.MUL,
DEFAULT_BINOP_ARGS,
marks=pytest.mark.repricing,
),
pytest.param(
# After every 2 SUB operations, values return to initial.
Op.SUB,
DEFAULT_BINOP_ARGS,
marks=pytest.mark.repricing,
),
pytest.param(
# This has the cycle of 2:
# v[0] = a // b
# v[1] = a // v[0] = a // (a // b) = b
# v[2] = a // b
Op.DIV,
(
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F,
# We want the first divisor to be slightly bigger than 2**128:
# this is the worst case for the division algorithm with
# optimized paths for division by 1 and 2 words.
0x100000000000000000000000000000033,
),
marks=pytest.mark.repricing,
),
pytest.param(
# This has the cycle of 2, see above.
Op.DIV,
(
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F,
# We want the first divisor to be slightly bigger than 2**64:
# this is the worst case for the division algorithm with an
# optimized path for division by 1 word.
0x10000000000000033,
),
),
pytest.param(
# Same as DIV-0
# But the numerator made positive, and the divisor made negative.
Op.SDIV,
(
0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F,
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFCD,
),
marks=pytest.mark.repricing,
),
pytest.param(
# Same as DIV-1
# But the numerator made positive, and the divisor made negative.
Op.SDIV,
(
0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F,
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFCD,
),
),
pytest.param(
# Not suitable for MOD, as values quickly become zero.
Op.MOD,
DEFAULT_BINOP_ARGS,
marks=pytest.mark.repricing,
),
pytest.param(
# Not suitable for SMOD, as values quickly become zero.
Op.SMOD,
DEFAULT_BINOP_ARGS,
marks=pytest.mark.repricing,
),
pytest.param(
# This keeps the values unchanged
# pow(2**256-1, 2**256-1, 2**256) == 2**256-1.
Op.EXP,
(
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF,
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF,
),
marks=pytest.mark.repricing,
),
pytest.param(
# Not great, as we always sign-extend the 4 bytes.
Op.SIGNEXTEND,
(
3,
0xFFDADADA, # Negative to have more work.
),
marks=pytest.mark.repricing,
),
pytest.param(
Op.ADDMOD,
(
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F,
0x73EDA753299D7D483339D80809A1D80553BDA402FFFE5BFEFFFFFFFF00000001,
0x100000000000000000000000000000033,
),
marks=pytest.mark.repricing,
),
pytest.param(
Op.MULMOD,
(
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F,
0x73EDA753299D7D483339D80809A1D80553BDA402FFFE5BFEFFFFFFFF00000001,
0x100000000000000000000000000000033,
),
marks=pytest.mark.repricing,
),
],
ids=lambda param: "" if isinstance(param, tuple) else param,
)
def test_arithmetic(
benchmark_test: BenchmarkTestFiller,
opcode: Op,
opcode_args: tuple[int, ...],
) -> None:
"""
Benchmark arithmetic instructions.
Supports both binary ops and ternary operations.
The execution starts with initial values on the stack.
"""
tx_data = b"".join(
arg.to_bytes(32, byteorder="big") for arg in opcode_args
)
depth = len(opcode_args)
dup_op = make_dup(depth - 1)
setup = sum((Op.CALLDATALOAD(32 * i) for i in range(depth)), Bytecode())
setup += dup_op * depth
attack_block = dup_op * (depth - 1) + opcode
cleanup = Op.POP * depth + dup_op * depth
benchmark_test(
target_opcode=opcode,
code_generator=JumpLoopGenerator(
setup=setup,
attack_block=attack_block,
cleanup=cleanup,
tx_kwargs={"data": tx_data},
),
)
|