def convert_dash_xpub(xpub, dest_prefix: str):
if dest_prefix != xpub[0:4]:
if dest_prefix == 'xpub':
raw = Base58.check_decode(xpub)
raw = bytes.fromhex('0488b21e') + raw[4:]
xpub = Base58.check_encode(raw)
elif dest_prefix == 'drkp':
raw = Base58.check_decode(xpub)
raw = bytes.fromhex('02fe52cc') + raw[4:]
xpub = Base58.check_encode(raw)
return xpub
def xpub_to_hash(xpub: str):
xpub_raw = Base58.check_decode(xpub)
if xpub_raw[0:4] in (b'\x02\xfe\x52\xcc', b'\x04\x88\xb2\x1e'): # remove xpub prefix
xpub_raw = xpub_raw[4:]
xpub_hash = bitcoin.bin_sha256(xpub_raw)
xpub_hash = base64.b64encode(xpub_hash)
return xpub_hash
def xpub_to_hash(xpub: str):
xpub_raw = Base58.check_decode(xpub)
if xpub_raw[0:4] in (b'\x03\xe2\x5d\x7e'): # remove ppub prefix
xpub_raw = xpub_raw[4:]
xpub_hash = bitcoin.bin_sha256(xpub_raw)
xpub_hash = base64.b64encode(xpub_hash)
return xpub_hash
def xpub_to_pk(xpub):
"""
Derive a compressed public key from an xpub.
:param xpub: Base58 encoded xpub.
:return: Hex string compressed public key.
"""
# Last 33 bytes of xpub are the compressed public key
return xpub_bytes_to_field_bytes(Base58.check_decode(xpub), 'key').hex()
