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Code Issues Releases Wiki Activity

stellar: allow different source address (#462)

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This commit is contained in:
Tomas Susanka 2019-01-18 17:22:53 +01:00
parent 305a364e73
commit ea775c2750
2 changed files with 16 additions and 6 deletions
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10
src/apps/stellar/layout.py
View File

@ -6,10 +6,16 @@ from apps.common.confirm import require_confirm, require_hold_to_confirm
from apps.stellar import consts
async def require_confirm_init(ctx, address: str, network_passphrase: str):
async def require_confirm_init(
ctx, address: str, network_passphrase: str, accounts_match: bool
):
text = Text("Confirm Stellar", ui.ICON_SEND, icon_color=ui.GREEN)
text.normal("Initialize signing with")
text.mono(*split(address))
if accounts_match:
text.normal("your account")
text.mono(*split(trim_to_rows(address, 3)))
else:
text.mono(*split(address))
await require_confirm(ctx, text, ButtonRequestType.ConfirmOutput)
network = get_network_warning(network_passphrase)
if network:

12
src/apps/stellar/sign_tx.py
View File

@ -49,14 +49,16 @@ async def _init(ctx, w: bytearray, pubkey: bytes, msg: StellarSignTx):
writers.write_bytes(w, consts.TX_TYPE)
address = helpers.address_from_public_key(pubkey)
writers.write_pubkey(w, address)
if helpers.public_key_from_address(msg.source_account) != pubkey:
raise ProcessError("Stellar: source account does not match address_n")
accounts_match = msg.source_account == address
writers.write_pubkey(w, msg.source_account)
writers.write_uint32(w, msg.fee)
writers.write_uint64(w, msg.sequence_number)
# confirm init
await layout.require_confirm_init(ctx, address, msg.network_passphrase)
await layout.require_confirm_init(
ctx, msg.source_account, msg.network_passphrase, accounts_match
)
def _timebounds(w: bytearray, start: int, end: int):
@ -78,6 +80,8 @@ async def _operations(ctx, w: bytearray, num_operations: int):
async def _memo(ctx, w: bytearray, msg: StellarSignTx):
if msg.memo_type is None:
msg.memo_type = consts.MEMO_TYPE_NONE
writers.write_uint32(w, msg.memo_type)
if msg.memo_type == consts.MEMO_TYPE_NONE:
# nothing is serialized