def test_private_key_sign():
priv_key = PrivateKey.from_mnemonic(TEST_MNEMONIC)
sig = priv_key.sign(b"test msg")
assert (
sig.hex() ==
"42a1e41012155ae2daa9b9a2e038f76463da4662564b4989f236ecb4d97f592c1190d92319363e2d1eb78fb98f0dac30c5e2a850f45bb4c44f1f6203ebe6efbe"
)
def test_public_key_verify():
priv_key = PrivateKey.from_mnemonic(TEST_MNEMONIC)
sig = priv_key.sign(b"test msg")
pub_key = priv_key.to_pubkey()
assert pub_key.verify(b"test msg", sig) == True
# Invalid message
assert pub_key.verify(b"another msg", sig) == False
# Invalid signature
assert pub_key.verify(b"test msg", sig[1:]) == False
def test_get_tx_data_success():
priv = PrivateKey.from_mnemonic("s")
pubkey = priv.to_pubkey()
addr = pubkey.to_address()
t = (
Transaction()
.with_messages(
MsgRequest(
oracle_script_id=1,
calldata=bytes.fromhex("000000034254430000000000000001"),
ask_count=4,
min_count=3,
client_id="from_pyband",
sender=addr,
)
)
.with_account_num(100)
.with_sequence(30)
.with_chain_id("bandchain")
)
raw_data = t.get_sign_data()
signature = priv.sign(raw_data)
raw_tx = t.get_tx_data(signature, pubkey)
assert raw_tx == {
"msg": [
{
"type": "oracle/Request",
"value": {
"oracle_script_id": "1",
"calldata": "AAAAA0JUQwAAAAAAAAAB",
"ask_count": "4",
"min_count": "3",
"client_id": "from_pyband",
"sender": "band1jrhuqrymzt4mnvgw8cvy3s9zhx3jj0dq30qpte",
},
}
],
"fee": {"gas": "200000", "amount": [{"denom": "uband", "amount": "0"}]},
"memo": "",
"signatures": [
{
"signature": "aFvTgkY9F14dHfp2mtq8V2eCTKUtY1T9WKs99jmR8To3JB16cawbmpa1TRUdzfnqLXBh+o6XUuF4bHWR6xbCCw==",
"pub_key": {
"type": "tendermint/PubKeySecp256k1",
"value": "A/5wi9pmUk/SxrzpBoLjhVWoUeA9Ku5PYpsF3pD1Htm8",
},
"account_number": "100",
"sequence": "30",
}
],
}
def main():
c = Client("http://poa-api.bandchain.org")
req_info = c.get_latest_request(
6, bytes.fromhex("000000045041584700000003555344000000003b9aca00"), 4, 4
)
oracle_script = c.get_oracle_script(6)
obi = PyObi(oracle_script.schema)
print(obi.decode_output(req_info.result.response_packet_data.result))
_, priv = PrivateKey.generate()
print(priv.to_pubkey().to_acc_bech32(), priv.to_pubkey().to_address().to_acc_bech32())
def test_address_to_bech32():
addr = PrivateKey.from_mnemonic(TEST_MNEMONIC).to_pubkey().to_address()
assert addr.to_acc_bech32() == TEST_ACC_ADDRESS
assert addr.to_val_bech32() == TEST_VAL_ADDRESS
assert addr.to_cons_bech32() == TEST_CONS_ADDRESS
def test_public_key_to_bech32():
priv_key = PrivateKey.from_mnemonic(TEST_MNEMONIC)
assert priv_key.to_pubkey().to_acc_bech32() == TEST_ACC_PUBKEY
assert priv_key.to_pubkey().to_val_bech32() == TEST_VAL_PUBKEY
assert priv_key.to_pubkey().to_cons_bech32() == TEST_CONS_PUBKEY
def test_private_key_to_public_key():
pub_key = PrivateKey.from_mnemonic(TEST_MNEMONIC).to_pubkey()
assert (pub_key.to_hex(
) == "0351e98e1be097250f2ff4188c0aace0a716e69a992cd77f9dfe436b3e8b34280d")
def test_private_key_from_hex():
assert (PrivateKey.from_hex(
"2159f40dda9e4c9d8ed9d6f8c353e247a2658993a9d53a94ff17410cd0ea471d").
to_hex() ==
"2159f40dda9e4c9d8ed9d6f8c353e247a2658993a9d53a94ff17410cd0ea471d")
def test_private_key_generate():
mnemonic, privkey = PrivateKey.generate("m/44'/494'/0'/0/5")
assert (PrivateKey.from_mnemonic(
mnemonic, "m/44'/494'/0'/0/5").to_hex() == privkey.to_hex())
def test_private_key_from_mnemonic():
assert (PrivateKey.from_mnemonic(TEST_MNEMONIC).to_hex() ==
"2159f40dda9e4c9d8ed9d6f8c353e247a2658993a9d53a94ff17410cd0ea471d")
assert (PrivateKey.from_mnemonic(TEST_MNEMONIC,
"m/44'/494'/0'/0/1").to_hex() ==
"987af53f91a09926274e5a2ef86223356112056f61b35a57df345d7b14176bb3")
from google.protobuf.any_pb2 import Any
from pyband.exceptions import EmptyMsgError, UndefinedError, ValueTooLargeError
from pyband.transaction import Transaction
from pyband.wallet import PrivateKey
from pyband.proto.cosmos.base.v1beta1.coin_pb2 import Coin
from pyband.proto.cosmos.tx.v1beta1.tx_pb2 import Fee, SignDoc
from pyband.proto.cosmos.auth.v1beta1.query_pb2 import QueryAccountRequest, QueryAccountResponse
from pyband.proto.oracle.v1.tx_pb2 import MsgRequestData
# Servicers
from pyband.proto.cosmos.auth.v1beta1.query_pb2_grpc import QueryServicer as QueryServicerBase
MNEMONIC = "s"
PRIVATE_KEY = PrivateKey.from_mnemonic(MNEMONIC)
PUBLIC_KEY = PRIVATE_KEY.to_public_key()
ADDRESS = PUBLIC_KEY.to_address()
SENDER = ADDRESS.to_acc_bech32()
class QueryServicer(QueryServicerBase):
def Account(self, request: QueryAccountRequest, context):
return QueryAccountResponse(account=Any(
type_url="/cosmos.auth.v1beta1.BaseAccount",
value=
b"\n+band1z2hwz2vn6ardpjzgfx2k3wh2zglknwavhw3v2r\022F\n\037/cosmos.crypto.secp256k1.PubKey\022#\n!\002\243\357\354\271\2712\330H\300F\342suhP\357^!\007\244&\365\t\314\274\312\034~\240\004A\341\030h \010",
))
@pytest.fixture(scope="module")