python-packages/order_utils/src/zero_ex/order_utils/signature_utils.py


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"""Signature utilities."""


def ec_sign_order_hash():
    """Signs an orderHash.

    Returns its elliptic curve signature and signature type.  This method
    currently supports TestRPC, Geth, and Parity above and below v1.6.6.

    >>> ec_sign_order_hash()
    'stub return value'
    """
    return "stub return value"