# Copyright (c) 2026 Emanuele Bellocchia
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""Module for Sui address encoding/decoding."""
# Imports
from typing import Any, Union
from typing_extensions import override
from bip_utils.addr.addr_dec_utils import AddrDecUtils
from bip_utils.addr.addr_key_validator import AddrKeyValidator
from bip_utils.addr.iaddr_decoder import IAddrDecoder
from bip_utils.addr.iaddr_encoder import IAddrEncoder
from bip_utils.coin_conf import CoinsConf
from bip_utils.ecc import IPublicKey
from bip_utils.utils.crypto import Blake2b256
from bip_utils.utils.misc import BytesUtils
class SuiAddrConst:
"""Class container for Sui address constants."""
# Suffix byte for single signature
KEY_TYPE: bytes = b"\x00"
class SuiAddrDecoder(IAddrDecoder):
"""
Sui address decoder class.
It allows the Sui address decoding.
"""
@override
@staticmethod
def DecodeAddr(addr: str,
**kwargs: Any) -> bytes:
"""
Decode a Sui address to bytes.
Args:
addr (str): Address string
**kwargs : Not used
Returns:
bytes: Public key hash bytes
Raises:
ValueError: If the address encoding is not valid
"""
# Validate and remove prefix
addr_no_prefix = AddrDecUtils.ValidateAndRemovePrefix(addr,
CoinsConf.Sui.ParamByKey("addr_prefix"))
# Validate length
AddrDecUtils.ValidateLength(addr_no_prefix, Blake2b256.DigestSize() * 2)
return BytesUtils.FromHexString(addr_no_prefix)
class SuiAddrEncoder(IAddrEncoder):
"""
Sui address encoder class.
It allows the Sui address encoding.
"""
@override
@staticmethod
def EncodeKey(pub_key: Union[bytes, IPublicKey],
**kwargs: Any) -> str:
"""
Encode a public key to Sui address.
Args:
pub_key (bytes or IPublicKey): Public key bytes or object
**kwargs : Not used
Returns:
str: Address string
Raises:
ValueError: If the public key is not valid
TypeError: If the public key is not ed25519
"""
pub_key_obj = AddrKeyValidator.ValidateAndGetEd25519Key(pub_key)
digest_bytes = Blake2b256.QuickDigest(
SuiAddrConst.KEY_TYPE + pub_key_obj.RawCompressed().ToBytes()[1:]
)
return CoinsConf.Sui.ParamByKey("addr_prefix") + BytesUtils.ToHexString(digest_bytes)
# Deprecated: only for compatibility, Encoder class shall be used instead
SuiAddr = SuiAddrEncoder