mirror of
https://github.com/logos-blockchain/research.git
synced 2026-08-07 11:43:20 +00:00
55 lines
2.3 KiB
Python
55 lines
2.3 KiB
Python
"""The DoS-protection evaluation must correctly quantify the attacker/defender
|
|
asymmetry that makes Equi-X an effective client puzzle."""
|
|
from equix_bench.dosprotect import DEFAULT_THRESHOLD, assess, min_verify_seconds
|
|
from equix_bench.stats import CellStats
|
|
|
|
|
|
def _cell(op, impl, median_ns, label=None, device="cpuX"):
|
|
return CellStats(
|
|
impl=impl, operation=op, runtime_requested="try-compile",
|
|
runtime_effective="compiled", label=label or {},
|
|
reps=3, ok=True, min_ns=median_ns, median_ns=median_ns, mean_ns=median_ns,
|
|
stddev_ns=0, p95_ns=median_ns, solutions_mean=1, compile_median_ns=0,
|
|
attempts_mean=0, achieved_effort_mean=0, solves_per_sec=0, hashes_per_sec=0,
|
|
peak_rss_kb=1000, verify_result="OK", device_label=device,
|
|
)
|
|
|
|
|
|
def test_min_verify_seconds():
|
|
stats = [
|
|
_cell("verify", "equix-c", 40_000), # 40 µs
|
|
_cell("verify", "equix-rust", 44_000), # 44 µs
|
|
]
|
|
assert abs(min_verify_seconds(stats, "cpuX") - 40e-6) < 1e-12
|
|
assert min_verify_seconds(stats, "other") is None
|
|
|
|
|
|
def test_effective_protection_on_realistic_numbers():
|
|
# verify ~40 µs; crafting a token at effort 1000 ~ 4.4 s -> huge asymmetry.
|
|
stats = [
|
|
_cell("verify", "equix-c", 40_000),
|
|
_cell("effort", "equix-c", 4_400_000_000, {"target_effort": 1000}),
|
|
_cell("effort", "equix-rust", 4_600_000_000, {"target_effort": 1000}),
|
|
]
|
|
rows, effective, threshold = assess(stats)
|
|
assert threshold == DEFAULT_THRESHOLD
|
|
assert len(rows) == 1
|
|
r = rows[0]
|
|
# attacker uses the FASTER impl (equix-c here, 4.4s)
|
|
assert r.attacker_impl == "equix-c"
|
|
assert abs(r.protection_factor - (4.4 / 40e-6)) < 1.0 # ~110,000x
|
|
assert effective is True
|
|
assert r.verify_per_sec > 20_000 # defender screens >20k/s
|
|
assert r.attacker_tokens_per_sec < 1 # attacker <1 token/s
|
|
|
|
|
|
def test_weak_protection_flagged():
|
|
# Pathological: verify as expensive as crafting -> not effective.
|
|
stats = [
|
|
_cell("verify", "equix-c", 1_000_000_000), # 1 s verify
|
|
_cell("effort", "equix-c", 2_000_000_000, {"target_effort": 10}), # 2 s craft
|
|
]
|
|
rows, effective, _ = assess(stats)
|
|
assert rows and effective is False
|
|
assert rows[0].protection_factor < 10
|