def pubkey_to_p2sh_p2wpkh_addr(pubkey_compressed: bytes, version: bytes) -> bytes:
""" Derives p2sh-segwit (p2sh p2wpkh) address from pubkey """
pubkey_hash = common_util.sha256(pubkey_compressed)
rip = common_util.ripemd160(pubkey_hash)
redeem_script = b'\x00\x14' + rip # 0x00: OP_0, 0x14: PushData
redeem_hash = common_util.sha256(redeem_script)
redeem_rip = common_util.ripemd160(redeem_hash)
# Base-58 encoding with a checksum
checksum = common_util.base58_cksum(version + redeem_rip)
address = base58.b58encode(version + redeem_rip + checksum)
return address
def pubkey_to_segwit_addr(human_readable_part: str,
pubkey: bytes) -> Optional[str]:
""" Derives bech32 (p2wpkh) address from pubkey """
witver = 0
witprog = common_util.ripemd160(common_util.sha256(pubkey))
addr = encode(human_readable_part, witver, witprog)
return addr
def hash160_to_p2sh_p2wpkh_addr(hash160: bytes, version: bytes) -> bytes:
redeem_script = b'\x00\x14' + hash160 # 0x00: OP_0, 0x14: PushData
redeem_hash = common_util.sha256(redeem_script)
redeem_rip = common_util.ripemd160(redeem_hash)
# Base-58 encoding with a checksum
checksum = common_util.base58_cksum(version + redeem_rip)
address = base58.b58encode(version + redeem_rip + checksum)
return address
def pubkey_to_p2pkh_addr(pubkey: bytes, version: bytes) -> bytes:
""" Derives legacy (p2pkh) address from pubkey """
out1 = common_util.sha256(pubkey)
out2 = common_util.ripemd160(out1)
# Base-58 encoding with a checksum
checksum = common_util.base58_cksum(version + out2)
address = base58.b58encode(version + out2 + checksum)
return address
def pubkey_to_p2sh_p2wpkh_addr(pubkey_compressed: bytes,
version: bytes) -> bytes:
""" Derives p2sh-segwit (p2sh p2wpkh) address from pubkey """
pubkey_hash = common_util.sha256(pubkey_compressed)
rip = common_util.ripemd160(pubkey_hash)
return hash160_to_p2sh_p2wpkh_addr(rip, version)
def pubkey_to_hash160(pubkey: bytes) -> bytes:
""" Computes ripemd160(sha256(pubkey)) """
out1 = common_util.sha256(pubkey)
out2 = common_util.ripemd160(out1)
return out2