from bexproof.logs import Signer, make_signed_log, verify_log


def test_sign_and_verify():
    signer = Signer("supersecretkey")
    log = make_signed_log("ORD1", "VENUE1", 101.0, 3, signer)
    assert verify_log(log, signer) is True
    # Tamper detection
    log_bad = dict(log)
    log_bad["price"] = 999.0
    assert verify_log(log_bad, signer) is False