def from_hex(cls, hexed):
"""
:param hexed: A private key previously encoded as hex.
:type hexed: ``str``
:rtype: :class:`~bitsv.PrivateKeyTestnet`
"""
return PrivateKeyTestnet(ECPrivateKey.from_hex(hexed))
def from_hex(cls, hexed, network='main'):
"""
:param hexed: A private key previously encoded as hex.
:type hexed: ``str``
:param network: 'main', 'test' or 'stn'
:type network: ``str``
:rtype: :class:`~bitsv.PrivateKey`
"""
return PrivateKey(ECPrivateKey.from_hex(hexed), network=network)