An toAddress function for PublicKey would be convenient about ecdsa-python HOT 2 CLOSED

class BlockChain(Enum):
    """Enum for different bitcoin like chains"""
    BITCOIN = 1
    FLUREEDB = 2
    DASH = 3
    DOGECOIN = 4
    LITECOIN = 5
    NAMECOIN = 6
    ZCASH = 7


_net_id_map = {
  BlockChain.BITCOIN: b"\x00",
  BlockChain.FLUREEDB: b"\x0f\x02",
  BlockChain.DASH: b"\x4c",
  BlockChain.DOGECOIN: b"\x1e",
  BlockChain.LITECOIN: b"\x30",
  BlockChain.NAMECOIN: b"\x34",
  BlockChain.ZCASH: b"\x1c\xb8"
}


def pubkey_to_address(pubkey, chain):
    """Get FlureeDB address from pubkey
    NOTE: This functionality should probably (mostly) be in the ellipticcurve library.
    Parameters
    ----------
    pubkey : ellipticcurve.publicKey.PublicKey
             ECDSA pubkey
    chain : BlockChain
             The blockchain we are calculating the address for
    Returns
    -------
    string
        Base58 encoded FlureeDB address
    """
    x = pubkey.point.x.to_bytes(32, byteorder='big')
    yred = (2 + pubkey.point.y % 2).to_bytes(1, byteorder='big')
    key = yred + x
    hash1 = hashlib.sha256()
    hash2 = hashlib.new('ripemd160')
    hash1.update(key)
    hash2.update(hash1.digest())
    core = _net_id_map[chain] + hash2.digest()
    hash3 = hashlib.sha256()
    hash4 = hashlib.sha256()
    hash3.update(core)
    hash4.update(hash3.digest())
    return base58.b58encode(core + hash4.digest()[:4]).decode()

   self.auth_id = pubkey_to_address(self.public_key, BlockChain.FLUREEDB) 

   self.auth = self.public_key.toAddress(BlockChain.FLUREEDB)