def test_vsys_sign_tx_proposal(self, client):
with client:
client.set_input_flow(self.input_flow(client.debug, num_pages=1))
public_key = vsys.get_public_key(client, VSYS_PATH)
resp = vsys.sign_tx(
client,
VSYS_PATH,
dict_to_proto(
messages.VsysSignTx,
{
"protocol": "v.systems",
"api": 1,
"opc": "transaction",
"transactionType": 2,
"senderPublicKey": public_key,
"amount": 1000000000,
"fee": 10000000,
"feeScale": 100,
"recipient": "AU6GsBinGPqW8zUuvmjgwpBNLfyyTU3p83Q",
"timestamp": 1547722056762119200,
"attachment": "HXRC"
},
),
)
context_bytes = [
0x02, 0x15, 0x7a, 0x9d, 0x02, 0xac, 0x57, 0xd4, 0x20, 0x00, 0x00,
0x00, 0x00, 0x3b, 0x9a, 0xca, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x98, 0x96, 0x80, 0x00, 0x64, 0x05, 0x54, 0x9c, 0x6d, 0xf7, 0xb3,
0x76, 0x77, 0x1b, 0x19, 0xff, 0x3b, 0xdb, 0x58, 0xd0, 0x4b, 0x49,
0x99, 0x91, 0x66, 0x3c, 0x47, 0x44, 0x4e, 0x42, 0x5f, 0x00, 0x03,
0x31, 0x32, 0x33
]
assert (curve.verifySignature(b58decode(public_key),
bytes(context_bytes),
b58decode(resp.signature)) == 0)
def deserialize(xpub):
data = tools.b58decode(xpub, None)
if tools.btc_hash(data[:-4])[:4] != data[-4:]:
raise ValueError("Checksum failed")
node = messages.HDNodeType()
node.depth = struct.unpack(">B", data[4:5])[0]
node.fingerprint = struct.unpack(">I", data[5:9])[0]
node.child_num = struct.unpack(">I", data[9:13])[0]
node.chain_code = data[13:45]
key = data[45:-4]
if key[0] == 0:
node.private_key = key[1:]
else:
node.public_key = key
return node
def deserialize(xpub):
data = tools.b58decode(xpub, None)
if tools.btc_hash(data[:-4])[:4] != data[-4:]:
raise ValueError("Checksum failed")
node = messages.HDNodeType()
node.depth = struct.unpack(">B", data[4:5])[0]
node.fingerprint = struct.unpack(">I", data[5:9])[0]
node.child_num = struct.unpack(">I", data[9:13])[0]
node.chain_code = data[13:45]
key = data[45:-4]
if key[0] == 0:
node.private_key = key[1:]
else:
node.public_key = key
return node
