planetmint/tests/tendermint/test_integration.py
2022-02-03 01:07:19 +01:00

147 lines
4.9 KiB
Python

# Copyright © 2020 Interplanetary Database Association e.V.,
# Planetmint and IPDB software contributors.
# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
# Code is Apache-2.0 and docs are CC-BY-4.0
import codecs
from tendermint.abci import types_pb2 as types
import json
import pytest
from abci.server import ProtocolHandler
from abci.utils import read_messages
from planetmint.common.transaction_mode_types import BROADCAST_TX_COMMIT, BROADCAST_TX_SYNC
from planetmint.version import __tm_supported_versions__
from io import BytesIO
@pytest.mark.bdb
def test_app(b, eventqueue_fixture, init_chain_request):
from planetmint import App
from planetmint.tendermint_utils import calculate_hash
from planetmint.common.crypto import generate_key_pair
from planetmint.models import Transaction
app = App(b, eventqueue_fixture)
p = ProtocolHandler(app)
data = p.process('info',
types.Request(info=types.RequestInfo(version=__tm_supported_versions__[0])))
res = next(read_messages(BytesIO(data), types.Response))
assert res
assert res.info.last_block_app_hash == b''
assert res.info.last_block_height == 0
assert not b.get_latest_block()
p.process('init_chain', types.Request(init_chain=init_chain_request))
block0 = b.get_latest_block()
assert block0
assert block0['height'] == 0
assert block0['app_hash'] == ''
pk = codecs.encode(init_chain_request.validators[0].pub_key.ed25519, 'base64').decode().strip('\n')
[validator] = b.get_validators(height=1)
assert validator['public_key']['value'] == pk
assert validator['voting_power'] == 10
alice = generate_key_pair()
bob = generate_key_pair()
tx = Transaction.create([alice.public_key],
[([bob.public_key], 1)])\
.sign([alice.private_key])
etxn = json.dumps(tx.to_dict()).encode('utf8')
r = types.Request(check_tx=types.RequestCheckTx(tx=etxn))
data = p.process('check_tx', r)
res = next(read_messages(BytesIO(data), types.Response))
assert res
assert res.check_tx.code == 0
r = types.Request()
r.begin_block.hash = b''
p.process('begin_block', r)
r = types.Request(deliver_tx=types.RequestDeliverTx(tx=etxn))
data = p.process('deliver_tx', r)
res = next(read_messages(BytesIO(data), types.Response))
assert res
assert res.deliver_tx.code == 0
new_block_txn_hash = calculate_hash([tx.id])
r = types.Request(end_block=types.RequestEndBlock(height=1))
data = p.process('end_block', r)
res = next(read_messages(BytesIO(data), types.Response))
assert res
assert 'end_block' == res.WhichOneof('value')
new_block_hash = calculate_hash([block0['app_hash'], new_block_txn_hash])
data = p.process('commit', None)
res = next(read_messages(BytesIO(data), types.Response))
assert res.commit.data == new_block_hash.encode('utf-8')
assert b.get_transaction(tx.id).id == tx.id
block0 = b.get_latest_block()
assert block0
assert block0['height'] == 1
assert block0['app_hash'] == new_block_hash
# empty block should not update height
r = types.Request()
r.begin_block.hash = new_block_hash.encode('utf-8')
p.process('begin_block', r)
r = types.Request()
r.end_block.height = 2
p.process('end_block', r)
data = p.process('commit', None)
res = next(read_messages(BytesIO(data), types.Response))
assert res.commit.data == new_block_hash.encode('utf-8')
block0 = b.get_latest_block()
assert block0
assert block0['height'] == 2
# when empty block is generated hash of previous block should be returned
assert block0['app_hash'] == new_block_hash
@pytest.mark.abci
def test_post_transaction_responses(tendermint_ws_url, b):
from planetmint.common.crypto import generate_key_pair
from planetmint.models import Transaction
alice = generate_key_pair()
bob = generate_key_pair()
tx = Transaction.create([alice.public_key],
[([alice.public_key], 1)],
asset=None)\
.sign([alice.private_key])
code, message = b.write_transaction(tx, BROADCAST_TX_COMMIT)
assert code == 202
tx_transfer = Transaction.transfer(tx.to_inputs(),
[([bob.public_key], 1)],
asset_id=tx.id)\
.sign([alice.private_key])
code, message = b.write_transaction(tx_transfer, BROADCAST_TX_COMMIT)
assert code == 202
carly = generate_key_pair()
double_spend = Transaction.transfer(
tx.to_inputs(),
[([carly.public_key], 1)],
asset_id=tx.id,
).sign([alice.private_key])
for mode in (BROADCAST_TX_SYNC, BROADCAST_TX_COMMIT):
code, message = b.write_transaction(double_spend, mode)
assert code == 500
assert message == 'Transaction validation failed'