def _get_primary_change_address(state: State):
"""
Computes primary change address for the current account index
"""
from trezor.messages.MoneroAccountPublicAddress import MoneroAccountPublicAddress
D, C = monero.generate_sub_address_keys(state.creds.view_key_private,
state.creds.spend_key_public,
state.account_idx, 0)
return MoneroAccountPublicAddress(view_public_key=crypto.encodepoint(C),
spend_public_key=crypto.encodepoint(D))
async def get_address(ctx: wire.Context, msg: MoneroGetAddress,
keychain: Keychain) -> MoneroAddress:
await paths.validate_path(ctx, keychain, msg.address_n)
creds = misc.get_creds(keychain, msg.address_n, msg.network_type)
addr = creds.address
have_subaddress = msg.account is not None and msg.minor is not None
have_payment_id = msg.payment_id is not None
if (msg.account is None) != (msg.minor is None):
raise wire.ProcessError("Invalid subaddress indexes")
if have_payment_id and have_subaddress:
raise wire.DataError("Subaddress cannot be integrated")
if have_payment_id:
assert msg.payment_id is not None
if len(msg.payment_id) != 8:
raise ValueError("Invalid payment ID length")
addr = addresses.encode_addr(
net_version(msg.network_type, False, True),
crypto_helpers.encodepoint(creds.spend_key_public),
crypto_helpers.encodepoint(creds.view_key_public),
msg.payment_id,
)
if have_subaddress:
assert msg.account is not None
assert msg.minor is not None
pub_spend, pub_view = monero.generate_sub_address_keys(
creds.view_key_private, creds.spend_key_public, msg.account,
msg.minor)
addr = addresses.encode_addr(
net_version(msg.network_type, True, False),
crypto_helpers.encodepoint(pub_spend),
crypto_helpers.encodepoint(pub_view),
)
if msg.show_display:
title = paths.address_n_to_str(msg.address_n)
await show_address(
ctx,
address=addr,
address_qr="monero:" + addr,
title=title,
)
return MoneroAddress(address=addr.encode())
async def get_address(ctx, msg, keychain):
await paths.validate_path(ctx, keychain, msg.address_n)
creds = misc.get_creds(keychain, msg.address_n, msg.network_type)
addr = creds.address
if msg.payment_id:
if len(msg.payment_id) != 8:
raise ValueError("Invalid payment ID length")
addr = addresses.encode_addr(
net_version(msg.network_type, False, True),
crypto.encodepoint(creds.spend_key_public),
crypto.encodepoint(creds.view_key_public),
msg.payment_id,
)
if msg.account or msg.minor:
if msg.payment_id:
raise ValueError("Subaddress cannot be integrated")
pub_spend, pub_view = monero.generate_sub_address_keys(
creds.view_key_private, creds.spend_key_public, msg.account,
msg.minor)
addr = addresses.encode_addr(
net_version(msg.network_type, True, False),
crypto.encodepoint(pub_spend),
crypto.encodepoint(pub_view),
)
if msg.show_display:
title = paths.address_n_to_str(msg.address_n)
await show_address(
ctx,
address=addr.decode(),
address_qr="monero:" + addr.decode(),
title=title,
)
return MoneroAddress(address=addr)