def public_key_from_address(address: str) -> bytes:
"""Extracts public key from an address
Stellar address is in format:
<1-byte version> <32-bytes ed25519 public key> <2-bytes CRC-16 checksum>
"""
b = base32.decode(address)
_crc16_checksum_verify(b[:-2], b[-2:])
return b[1:-2]
def test_decode(self):
for a, b in self.vectors:
self.assertEqual(base32.decode(b), a)