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Code Issues Releases Wiki Activity

core: propagate coin info to all sanitize functions

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This commit is contained in:
matejcik 2020-03-12 13:31:09 +01:00 committed by Tomas Susanka
parent 303c05aba7
commit 136307bcae
2 changed files with 12 additions and 13 deletions
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12
core/src/apps/wallet/sign_tx/helpers.py
View File

@ -104,14 +104,14 @@ def confirm_nondefault_locktime(lock_time: int):
return (yield UiConfirmNonDefaultLocktime(lock_time))
def request_tx_meta(tx_req: TxRequest, tx_hash: bytes = None):
def request_tx_meta(tx_req: TxRequest, coin: CoinInfo, tx_hash: bytes = None):
tx_req.request_type = TXMETA
tx_req.details.tx_hash = tx_hash
tx_req.details.request_index = None
ack = yield tx_req
tx_req.serialized = None
gc.collect()
return sanitize_tx_meta(ack.tx)
return sanitize_tx_meta(ack.tx, coin)
def request_tx_extra_data(
@ -148,7 +148,7 @@ def request_tx_output(tx_req: TxRequest, i: int, coin: CoinInfo, tx_hash: bytes
tx_req.serialized = None
gc.collect()
if tx_hash is None:
return sanitize_tx_output(ack.tx)
return sanitize_tx_output(ack.tx, coin)
else:
return sanitize_tx_binoutput(ack.tx, coin)
@ -165,7 +165,7 @@ def request_tx_finish(tx_req: TxRequest):
# ===
def sanitize_sign_tx(tx: SignTx) -> SignTx:
def sanitize_sign_tx(tx: SignTx, coin: CoinInfo) -> SignTx:
tx.version = tx.version if tx.version is not None else 1
tx.lock_time = tx.lock_time if tx.lock_time is not None else 0
tx.inputs_count = tx.inputs_count if tx.inputs_count is not None else 0
@ -177,7 +177,7 @@ def sanitize_sign_tx(tx: SignTx) -> SignTx:
return tx
def sanitize_tx_meta(tx: TransactionType) -> TransactionType:
def sanitize_tx_meta(tx: TransactionType, coin: CoinInfo) -> TransactionType:
tx.version = tx.version if tx.version is not None else 1
tx.lock_time = tx.lock_time if tx.lock_time is not None else 0
tx.inputs_cnt = tx.inputs_cnt if tx.inputs_cnt is not None else 0
@ -216,7 +216,7 @@ def sanitize_tx_input(tx: TransactionType, coin: CoinInfo) -> TxInputType:
return txi
def sanitize_tx_output(tx: TransactionType) -> TxOutputType:
def sanitize_tx_output(tx: TransactionType, coin: CoinInfo) -> TxOutputType:
txo = tx.outputs[0]
if txo.multisig and txo.script_type not in MULTISIG_OUTPUT_SCRIPT_TYPES:
raise SigningError(

13
core/src/apps/wallet/sign_tx/signing.py
View File

@ -55,9 +55,7 @@ class SigningError(ValueError):
# - check inputs, previous transactions, and outputs
# - ask for confirmations
# - check fee
async def check_tx_fee(tx: SignTx, keychain: seed.Keychain):
coin = coins.by_name(tx.coin_name)
async def check_tx_fee(tx: SignTx, keychain: seed.Keychain, coin: coininfo.CoinInfo):
# h_first is used to make sure the inputs and outputs streamed in Phase 1
# are the same as in Phase 2. it is thus not required to fully hash the
# tx, as the SignTx info is streamed only once
@ -225,7 +223,9 @@ async def check_tx_fee(tx: SignTx, keychain: seed.Keychain):
async def sign_tx(tx: SignTx, keychain: seed.Keychain):
tx = helpers.sanitize_sign_tx(tx)
coin_name = tx.coin_name if tx.coin_name is not None else "Bitcoin"
coin = coins.by_name(coin_name)
tx = helpers.sanitize_sign_tx(tx, coin)
progress.init(tx.inputs_count, tx.outputs_count)
@ -238,14 +238,13 @@ async def sign_tx(tx: SignTx, keychain: seed.Keychain):
authorized_in,
wallet_path,
multisig_fp,
) = await check_tx_fee(tx, keychain)
) = await check_tx_fee(tx, keychain, coin)
# Phase 2
# - sign inputs
# - check that nothing changed
any_segwit = True in segwit.values()
coin = coins.by_name(tx.coin_name)
tx_ser = TxRequestSerializedType()
txo_bin = TxOutputBinType()
@ -595,7 +594,7 @@ async def get_prevtx_output_value(
total_out = 0 # sum of output amounts
# STAGE_REQUEST_2_PREV_META
tx = await helpers.request_tx_meta(tx_req, prev_hash)
tx = await helpers.request_tx_meta(tx_req, coin, prev_hash)
if tx.outputs_cnt <= prev_index:
raise SigningError(