mirror of
https://github.com/trezor/trezor-firmware.git
synced 2025-07-08 23:58:09 +00:00
9fc5bb546b
Changes many fields to required -- as far as we were able to figure out, signing would fail if these fields aren't provided anyway, so this should not pose a compatibility problem. Co-authored-by: matejcik <ja@matejcik.cz>
76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
from typing import TYPE_CHECKING
|
|
|
|
from trezor import wire
|
|
from trezor.enums import InputScriptType
|
|
from trezor.messages import HDNodeType, PublicKey
|
|
|
|
from apps.common import coininfo, paths
|
|
from apps.common.keychain import get_keychain
|
|
|
|
if TYPE_CHECKING:
|
|
from trezor.messages import GetPublicKey
|
|
|
|
|
|
async def get_public_key(ctx: wire.Context, msg: GetPublicKey) -> PublicKey:
|
|
coin_name = msg.coin_name or "Bitcoin"
|
|
script_type = msg.script_type or InputScriptType.SPENDADDRESS
|
|
coin = coininfo.by_name(coin_name)
|
|
curve_name = msg.ecdsa_curve_name or coin.curve_name
|
|
|
|
keychain = await get_keychain(ctx, curve_name, [paths.AlwaysMatchingSchema])
|
|
|
|
node = keychain.derive(msg.address_n)
|
|
|
|
if (
|
|
script_type
|
|
in (
|
|
InputScriptType.SPENDADDRESS,
|
|
InputScriptType.SPENDMULTISIG,
|
|
InputScriptType.SPENDTAPROOT,
|
|
)
|
|
and coin.xpub_magic is not None
|
|
):
|
|
node_xpub = node.serialize_public(coin.xpub_magic)
|
|
elif (
|
|
coin.segwit
|
|
and script_type == InputScriptType.SPENDP2SHWITNESS
|
|
and (msg.ignore_xpub_magic or coin.xpub_magic_segwit_p2sh is not None)
|
|
):
|
|
assert coin.xpub_magic_segwit_p2sh is not None
|
|
node_xpub = node.serialize_public(
|
|
coin.xpub_magic if msg.ignore_xpub_magic else coin.xpub_magic_segwit_p2sh
|
|
)
|
|
elif (
|
|
coin.segwit
|
|
and script_type == InputScriptType.SPENDWITNESS
|
|
and (msg.ignore_xpub_magic or coin.xpub_magic_segwit_native is not None)
|
|
):
|
|
assert coin.xpub_magic_segwit_native is not None
|
|
node_xpub = node.serialize_public(
|
|
coin.xpub_magic if msg.ignore_xpub_magic else coin.xpub_magic_segwit_native
|
|
)
|
|
else:
|
|
raise wire.DataError("Invalid combination of coin and script_type")
|
|
|
|
pubkey = node.public_key()
|
|
if pubkey[0] == 1:
|
|
pubkey = b"\x00" + pubkey[1:]
|
|
node_type = HDNodeType(
|
|
depth=node.depth(),
|
|
child_num=node.child_num(),
|
|
fingerprint=node.fingerprint(),
|
|
chain_code=node.chain_code(),
|
|
public_key=pubkey,
|
|
)
|
|
|
|
if msg.show_display:
|
|
from trezor.ui.layouts import show_xpub
|
|
|
|
await show_xpub(ctx, node_xpub, "XPUB", "Cancel")
|
|
|
|
return PublicKey(
|
|
node=node_type,
|
|
xpub=node_xpub,
|
|
root_fingerprint=keychain.root_fingerprint(),
|
|
)
|