from common import * # isort:skip from trezor.crypto.curve import secp256k1 from trezor.crypto.hashlib import sha256 if not utils.BITCOIN_ONLY: from trezor.messages import ( BinanceCancelMsg, BinanceCoin, BinanceInputOutput, BinanceOrderMsg, BinanceSignTx, BinanceTransferMsg, ) from apps.binance.helpers import produce_json_for_signing # NOTE: copy-pasted from apps.binance.sign_tx def generate_content_signature(json: bytes, private_key: bytes) -> bytes: msghash = sha256(json).digest() return secp256k1.sign(private_key, msghash)[1:65] @unittest.skipUnless(not utils.BITCOIN_ONLY, "altcoin") class TestBinanceSign(unittest.TestCase): def test_order_signature(self): # source of testing data # https://github.com/binance-chain/javascript-sdk/blob/master/__tests__/fixtures/placeOrder.json json_msg = '{"account_number":"34","chain_id":"Binance-Chain-Nile","data":null,"memo":"","msgs":[{"id":"BA36F0FAD74D8F41045463E4774F328F4AF779E5-33","ordertype":2,"price":100000000,"quantity":100000000,"sender":"tbnb1hgm0p7khfk85zpz5v0j8wnej3a90w709zzlffd","side":1,"symbol":"ADA.B-B63_BNB","timeinforce":1}],"sequence":"32","source":"1"}' expected_signature = "851fc9542342321af63ecbba7d3ece545f2a42bad01ba32cff5535b18e54b6d3106e10b6a4525993d185a1443d9a125186960e028eabfdd8d76cf70a3a7e3100" public_key = ( "029729a52e4e3c2b4a4e52aa74033eedaf8ba1df5ab6d1f518fd69e67bbd309b0e" ) private_key = "90335b9d2153ad1a9799a3ccc070bd64b4164e9642ee1dd48053c33f9a3a05e9" # Testing data for object creation is decoded from json_msg envelope = BinanceSignTx( msg_count=1, account_number=34, chain_id="Binance-Chain-Nile", memo="", sequence=32, source=1, ) msg = BinanceOrderMsg( id="BA36F0FAD74D8F41045463E4774F328F4AF779E5-33", ordertype=2, price=100000000, quantity=100000000, sender="tbnb1hgm0p7khfk85zpz5v0j8wnej3a90w709zzlffd", side=1, symbol="ADA.B-B63_BNB", timeinforce=1, ) msg_json = produce_json_for_signing(envelope, msg) # check if our json string produced for signing is the same as test vector self.assertEqual(msg_json, json_msg) # verify signature against public key signature = generate_content_signature( msg_json.encode(), unhexlify(private_key) ) self.assertTrue( verify_content_signature(unhexlify(public_key), signature, json_msg) ) # check if the signed data is the same as test vector self.assertEqual(signature, unhexlify(expected_signature)) def test_cancel_signature(self): # source of testing data # https://github.com/binance-chain/javascript-sdk/blob/master/__tests__/fixtures/cancelOrder.json json_msg = '{"account_number":"34","chain_id":"Binance-Chain-Nile","data":null,"memo":"","msgs":[{"refid":"BA36F0FAD74D8F41045463E4774F328F4AF779E5-29","sender":"tbnb1hgm0p7khfk85zpz5v0j8wnej3a90w709zzlffd","symbol":"BCHSV.B-10F_BNB"}],"sequence":"33","source":"1"}' expected_signature = "d93fb0402b2b30e7ea08e123bb139ad68bf0a1577f38592eb22d11e127f09bbd3380f29b4bf15bdfa973454c5c8ed444f2e256e956fe98cfd21e886a946e21e5" public_key = ( "029729a52e4e3c2b4a4e52aa74033eedaf8ba1df5ab6d1f518fd69e67bbd309b0e" ) private_key = "90335b9d2153ad1a9799a3ccc070bd64b4164e9642ee1dd48053c33f9a3a05e9" # Testing data for object creation is decoded from json_msg envelope = BinanceSignTx( msg_count=1, account_number=34, chain_id="Binance-Chain-Nile", memo="", sequence=33, source=1, ) msg = BinanceCancelMsg( refid="BA36F0FAD74D8F41045463E4774F328F4AF779E5-29", sender="tbnb1hgm0p7khfk85zpz5v0j8wnej3a90w709zzlffd", symbol="BCHSV.B-10F_BNB", ) msg_json = produce_json_for_signing(envelope, msg) # check if our json string produced for signing is the same as test vector self.assertEqual(msg_json, json_msg) # verify signature against public key signature = generate_content_signature( msg_json.encode(), unhexlify(private_key) ) self.assertTrue( verify_content_signature(unhexlify(public_key), signature, json_msg) ) # check if the signed data is the same as test vector self.assertEqual(signature, unhexlify(expected_signature)) def test_transfer_signature(self): # source of testing data # https://github.com/binance-chain/javascript-sdk/blob/master/__tests__/fixtures/transfer.json json_msg = '{"account_number":"34","chain_id":"Binance-Chain-Nile","data":null,"memo":"test","msgs":[{"inputs":[{"address":"tbnb1hgm0p7khfk85zpz5v0j8wnej3a90w709zzlffd","coins":[{"amount":1000000000,"denom":"BNB"}]}],"outputs":[{"address":"tbnb1ss57e8sa7xnwq030k2ctr775uac9gjzglqhvpy","coins":[{"amount":1000000000,"denom":"BNB"}]}]}],"sequence":"31","source":"1"}' expected_signature = "faf5b908d6c4ec0c7e2e7d8f7e1b9ca56ac8b1a22b01655813c62ce89bf84a4c7b14f58ce51e85d64c13f47e67d6a9187b8f79f09e0a9b82019f47ae190a4db3" public_key = ( "029729a52e4e3c2b4a4e52aa74033eedaf8ba1df5ab6d1f518fd69e67bbd309b0e" ) private_key = "90335b9d2153ad1a9799a3ccc070bd64b4164e9642ee1dd48053c33f9a3a05e9" # Testing data for object creation is decoded from json_msg envelope = BinanceSignTx( msg_count=1, account_number=34, chain_id="Binance-Chain-Nile", memo="test", sequence=31, source=1, ) coin = BinanceCoin(denom="BNB", amount=1000000000) first_input = BinanceInputOutput( address="tbnb1hgm0p7khfk85zpz5v0j8wnej3a90w709zzlffd", coins=[coin] ) first_output = BinanceInputOutput( address="tbnb1ss57e8sa7xnwq030k2ctr775uac9gjzglqhvpy", coins=[coin] ) msg = BinanceTransferMsg(inputs=[first_input], outputs=[first_output]) msg_json = produce_json_for_signing(envelope, msg) # check if our json string produced for signing is the same as test vector self.assertEqual(msg_json, json_msg) # verify signature against public key signature = generate_content_signature( msg_json.encode(), unhexlify(private_key) ) self.assertTrue( verify_content_signature(unhexlify(public_key), signature, json_msg) ) # check if the signed data is the same as test vector self.assertEqual(signature, unhexlify(expected_signature)) def verify_content_signature( public_key: bytes, signature: bytes, unsigned_data: bytes ) -> bool: msghash = sha256(unsigned_data).digest() return secp256k1.verify(public_key, signature, msghash) if __name__ == "__main__": unittest.main()