mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-12 01:18:14 +00:00
116 lines
4.0 KiB
Python
116 lines
4.0 KiB
Python
from micropython import const
|
|
|
|
from trezor.crypto import bech32
|
|
from trezor.crypto.scripts import sha256_ripemd160_digest
|
|
from trezor.messages.BinanceCancelMsg import BinanceCancelMsg
|
|
from trezor.messages.BinanceInputOutput import BinanceInputOutput
|
|
from trezor.messages.BinanceOrderMsg import BinanceOrderMsg
|
|
from trezor.messages.BinanceSignTx import BinanceSignTx
|
|
from trezor.messages.BinanceTransferMsg import BinanceTransferMsg
|
|
|
|
from apps.common import HARDENED
|
|
|
|
ENVELOPE_BLUEPRINT = '{{"account_number":"{account_number}","chain_id":"{chain_id}","data":null,"memo":"{memo}","msgs":[{msgs}],"sequence":"{sequence}","source":"{source}"}}'
|
|
MSG_TRANSFER_BLUEPRINT = '{{"inputs":[{inputs}],"outputs":[{outputs}]}}'
|
|
MSG_NEWORDER_BLUEPRINT = '{{"id":"{id}","ordertype":{ordertype},"price":{price},"quantity":{quantity},"sender":"{sender}","side":{side},"symbol":"{symbol}","timeinforce":{timeinforce}}}'
|
|
MSG_CANCEL_BLUEPRINT = '{{"refid":"{refid}","sender":"{sender}","symbol":"{symbol}"}}'
|
|
INPUT_OUTPUT_BLUEPRINT = '{{"address":"{address}","coins":[{coins}]}}'
|
|
COIN_BLUEPRINT = '{{"amount":{amount},"denom":"{denom}"}}'
|
|
|
|
# 1*10^8 Jagers equal 1 BNB https://www.binance.vision/glossary/jager
|
|
DECIMALS = const(8)
|
|
|
|
|
|
def produce_json_for_signing(envelope: BinanceSignTx, msg) -> str:
|
|
if isinstance(msg, BinanceTransferMsg):
|
|
json_msg = produce_transfer_json(msg)
|
|
elif isinstance(msg, BinanceOrderMsg):
|
|
json_msg = produce_neworder_json(msg)
|
|
elif isinstance(msg, BinanceCancelMsg):
|
|
json_msg = produce_cancel_json(msg)
|
|
else:
|
|
raise ValueError("input message unrecognized, is of type " + type(msg).__name__)
|
|
|
|
if envelope.source is None or envelope.source < 0:
|
|
raise ValueError("source missing or invalid")
|
|
|
|
source = envelope.source
|
|
|
|
return ENVELOPE_BLUEPRINT.format(
|
|
account_number=envelope.account_number,
|
|
chain_id=envelope.chain_id,
|
|
memo=envelope.memo,
|
|
msgs=json_msg,
|
|
sequence=envelope.sequence,
|
|
source=source,
|
|
)
|
|
|
|
|
|
def produce_transfer_json(msg: BinanceTransferMsg) -> str:
|
|
def make_input_output(input_output: BinanceInputOutput):
|
|
coins = ",".join(
|
|
COIN_BLUEPRINT.format(amount=c.amount, denom=c.denom)
|
|
for c in input_output.coins
|
|
)
|
|
return INPUT_OUTPUT_BLUEPRINT.format(address=input_output.address, coins=coins)
|
|
|
|
inputs = ",".join(make_input_output(i) for i in msg.inputs)
|
|
outputs = ",".join(make_input_output(o) for o in msg.outputs)
|
|
|
|
return MSG_TRANSFER_BLUEPRINT.format(inputs=inputs, outputs=outputs)
|
|
|
|
|
|
def produce_neworder_json(msg: BinanceOrderMsg) -> str:
|
|
return MSG_NEWORDER_BLUEPRINT.format(
|
|
id=msg.id,
|
|
ordertype=msg.ordertype,
|
|
price=msg.price,
|
|
quantity=msg.quantity,
|
|
sender=msg.sender,
|
|
side=msg.side,
|
|
symbol=msg.symbol,
|
|
timeinforce=msg.timeinforce,
|
|
)
|
|
|
|
|
|
def produce_cancel_json(msg: BinanceCancelMsg) -> str:
|
|
return MSG_CANCEL_BLUEPRINT.format(
|
|
refid=msg.refid, sender=msg.sender, symbol=msg.symbol
|
|
)
|
|
|
|
|
|
def address_from_public_key(pubkey: bytes, hrp: str) -> str:
|
|
"""
|
|
Address = RIPEMD160(SHA256(compressed public key))
|
|
Address_Bech32 = HRP + '1' + bech32.encode(convert8BitsTo5Bits(RIPEMD160(SHA256(compressed public key))))
|
|
HRP - bnb for productions, tbnb for tests
|
|
"""
|
|
|
|
h = sha256_ripemd160_digest(pubkey)
|
|
|
|
convertedbits = bech32.convertbits(h, 8, 5, False)
|
|
|
|
return bech32.bech32_encode(hrp, convertedbits)
|
|
|
|
|
|
def validate_full_path(path: list) -> bool:
|
|
"""
|
|
Validates derivation path to equal 44'/714'/a'/0/0,
|
|
where `a` is an account index from 0 to 1 000 000.
|
|
Similar to Ethereum this should be 44'/714'/a', but for
|
|
compatibility with other HW vendors we use 44'/714'/a'/0/0.
|
|
"""
|
|
if len(path) != 5:
|
|
return False
|
|
if path[0] != 44 | HARDENED:
|
|
return False
|
|
if path[1] != 714 | HARDENED:
|
|
return False
|
|
if path[2] < HARDENED or path[2] > 1000000 | HARDENED:
|
|
return False
|
|
if path[3] != 0:
|
|
return False
|
|
if path[4] != 0:
|
|
return False
|
|
return True
|