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trezor-firmware/core/src/apps/bitcoin/addresses.py

153 lines
5.8 KiB

from trezor import wire
from trezor.crypto import base58, cashaddr
from trezor.crypto.hashlib import sha256
from trezor.messages import InputScriptType
from trezor.messages.MultisigRedeemScriptType import MultisigRedeemScriptType
from apps.common import address_type
from apps.common.coininfo import CoinInfo
from .common import ecdsa_hash_pubkey, encode_bech32_address
from .multisig import multisig_get_pubkeys, multisig_pubkey_index
from .scripts import output_script_multisig, output_script_native_p2wpkh_or_p2wsh
if False:
from trezor.crypto import bip32
from trezor.messages.TxInputType import EnumTypeInputScriptType
def get_address(
script_type: EnumTypeInputScriptType,
coin: CoinInfo,
node: bip32.HDNode,
multisig: MultisigRedeemScriptType | None = None,
) -> str:
if multisig:
# Ensure that our public key is included in the multisig.
multisig_pubkey_index(multisig, node.public_key())
if script_type in (InputScriptType.SPENDADDRESS, InputScriptType.SPENDMULTISIG):
if multisig: # p2sh multisig
if coin.address_type_p2sh is None:
raise wire.ProcessError("Multisig not enabled on this coin")
pubkeys = multisig_get_pubkeys(multisig)
address = address_multisig_p2sh(pubkeys, multisig.m, coin)
if coin.cashaddr_prefix is not None:
address = address_to_cashaddr(address, coin)
return address
if script_type == InputScriptType.SPENDMULTISIG:
raise wire.ProcessError("Multisig details required")
# p2pkh
address = node.address(coin.address_type)
if coin.cashaddr_prefix is not None:
address = address_to_cashaddr(address, coin)
return address
elif script_type == InputScriptType.SPENDWITNESS: # native p2wpkh or native p2wsh
if not coin.segwit or not coin.bech32_prefix:
raise wire.ProcessError("Segwit not enabled on this coin")
# native p2wsh multisig
if multisig is not None:
pubkeys = multisig_get_pubkeys(multisig)
return address_multisig_p2wsh(pubkeys, multisig.m, coin.bech32_prefix)
# native p2wpkh
return address_p2wpkh(node.public_key(), coin)
elif (
script_type == InputScriptType.SPENDP2SHWITNESS
): # p2wpkh or p2wsh nested in p2sh
if not coin.segwit or coin.address_type_p2sh is None:
raise wire.ProcessError("Segwit not enabled on this coin")
# p2wsh multisig nested in p2sh
if multisig is not None:
pubkeys = multisig_get_pubkeys(multisig)
return address_multisig_p2wsh_in_p2sh(pubkeys, multisig.m, coin)
# p2wpkh nested in p2sh
return address_p2wpkh_in_p2sh(node.public_key(), coin)
else:
raise wire.ProcessError("Invalid script type")
def address_multisig_p2sh(pubkeys: list[bytes], m: int, coin: CoinInfo) -> str:
if coin.address_type_p2sh is None:
raise wire.ProcessError("Multisig not enabled on this coin")
redeem_script = output_script_multisig(pubkeys, m)
redeem_script_hash = coin.script_hash(redeem_script)
return address_p2sh(redeem_script_hash, coin)
def address_multisig_p2wsh_in_p2sh(pubkeys: list[bytes], m: int, coin: CoinInfo) -> str:
if coin.address_type_p2sh is None:
raise wire.ProcessError("Multisig not enabled on this coin")
witness_script = output_script_multisig(pubkeys, m)
witness_script_hash = sha256(witness_script).digest()
return address_p2wsh_in_p2sh(witness_script_hash, coin)
def address_multisig_p2wsh(pubkeys: list[bytes], m: int, hrp: str) -> str:
if not hrp:
raise wire.ProcessError("Multisig not enabled on this coin")
witness_script = output_script_multisig(pubkeys, m)
witness_script_hash = sha256(witness_script).digest()
return address_p2wsh(witness_script_hash, hrp)
def address_pkh(pubkey: bytes, coin: CoinInfo) -> str:
s = address_type.tobytes(coin.address_type) + coin.script_hash(pubkey)
return base58.encode_check(bytes(s), coin.b58_hash)
def address_p2sh(redeem_script_hash: bytes, coin: CoinInfo) -> str:
s = address_type.tobytes(coin.address_type_p2sh) + redeem_script_hash
return base58.encode_check(bytes(s), coin.b58_hash)
def address_p2wpkh_in_p2sh(pubkey: bytes, coin: CoinInfo) -> str:
pubkey_hash = ecdsa_hash_pubkey(pubkey, coin)
redeem_script = output_script_native_p2wpkh_or_p2wsh(pubkey_hash)
redeem_script_hash = coin.script_hash(redeem_script)
return address_p2sh(redeem_script_hash, coin)
def address_p2wsh_in_p2sh(witness_script_hash: bytes, coin: CoinInfo) -> str:
redeem_script = output_script_native_p2wpkh_or_p2wsh(witness_script_hash)
redeem_script_hash = coin.script_hash(redeem_script)
return address_p2sh(redeem_script_hash, coin)
def address_p2wpkh(pubkey: bytes, coin: CoinInfo) -> str:
assert coin.bech32_prefix is not None
pubkeyhash = ecdsa_hash_pubkey(pubkey, coin)
return encode_bech32_address(coin.bech32_prefix, pubkeyhash)
def address_p2wsh(witness_script_hash: bytes, hrp: str) -> str:
return encode_bech32_address(hrp, witness_script_hash)
def address_to_cashaddr(address: str, coin: CoinInfo) -> str:
assert coin.cashaddr_prefix is not None
raw = base58.decode_check(address, coin.b58_hash)
version, data = raw[0], raw[1:]
if version == coin.address_type:
version = cashaddr.ADDRESS_TYPE_P2KH
elif version == coin.address_type_p2sh:
version = cashaddr.ADDRESS_TYPE_P2SH
else:
raise ValueError("Unknown cashaddr address type")
return cashaddr.encode(coin.cashaddr_prefix, version, data)
def address_short(coin: CoinInfo, address: str) -> str:
if coin.cashaddr_prefix is not None and address.startswith(
coin.cashaddr_prefix + ":"
):
return address[len(coin.cashaddr_prefix) + 1 :]
else:
return address