mirror of
https://github.com/bigchaindb/bigchaindb.git
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dd84d4eb6f
* Problem: we have unused and outdated fixtures Solution: clean up fixtures and tests accordingly * Problem: there are still unused fixtures Solution: remove Merlin keys * Problem: There are unnecessary markers Solution: remove the tendermint marker for tests
482 lines
16 KiB
Python
482 lines
16 KiB
Python
# Copyright BigchainDB GmbH and BigchainDB contributors
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# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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# Code is Apache-2.0 and docs are CC-BY-4.0
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import codecs
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import json
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import pytest
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import random
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from abci.types_pb2 import (
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PubKey,
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ResponseInitChain,
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RequestInitChain,
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RequestInfo,
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RequestBeginBlock,
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RequestEndBlock,
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Validator,
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)
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from bigchaindb import App
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from bigchaindb.backend.localmongodb import query
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from bigchaindb.common.crypto import generate_key_pair
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from bigchaindb.core import (CodeTypeOk,
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CodeTypeError,
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)
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from bigchaindb.lib import Block
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from bigchaindb.upsert_validator.validator_utils import new_validator_set
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from bigchaindb.tendermint_utils import public_key_to_base64
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pytestmark = pytest.mark.bdb
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def encode_tx_to_bytes(transaction):
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return json.dumps(transaction.to_dict()).encode('utf8')
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def generate_address():
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return ''.join(random.choices('1,2,3,4,5,6,7,8,9,A,B,C,D,E,F'.split(','),
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k=40)).encode()
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def generate_validator():
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addr = codecs.decode(generate_address(), 'hex')
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pk, _ = generate_key_pair()
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pub_key = PubKey(type='ed25519', data=pk.encode())
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val = Validator(address=addr, power=10, pub_key=pub_key)
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return val
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def generate_init_chain_request(chain_id, vals=None):
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vals = vals if vals is not None else [generate_validator()]
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return RequestInitChain(validators=vals, chain_id=chain_id)
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def test_init_chain_successfully_registers_chain(b):
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request = generate_init_chain_request('chain-XYZ')
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res = App(b).init_chain(request)
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assert res == ResponseInitChain()
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chain = query.get_latest_abci_chain(b.connection)
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assert chain == {'height': 0, 'chain_id': 'chain-XYZ', 'is_synced': True}
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assert query.get_latest_block(b.connection) == {
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'height': 0,
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'app_hash': '',
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'transactions': [],
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}
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def test_init_chain_ignores_invalid_init_chain_requests(b):
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validators = [generate_validator()]
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request = generate_init_chain_request('chain-XYZ', validators)
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res = App(b).init_chain(request)
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assert res == ResponseInitChain()
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validator_set = query.get_validator_set(b.connection)
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invalid_requests = [
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request, # the same request again
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# different validator set
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generate_init_chain_request('chain-XYZ'),
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# different chain ID
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generate_init_chain_request('chain-ABC', validators),
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]
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for r in invalid_requests:
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with pytest.raises(SystemExit):
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App(b).init_chain(r)
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# assert nothing changed - neither validator set, nor chain ID
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new_validator_set = query.get_validator_set(b.connection)
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assert new_validator_set == validator_set
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new_chain_id = query.get_latest_abci_chain(b.connection)['chain_id']
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assert new_chain_id == 'chain-XYZ'
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assert query.get_latest_block(b.connection) == {
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'height': 0,
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'app_hash': '',
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'transactions': [],
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}
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def test_init_chain_recognizes_new_chain_after_migration(b):
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validators = [generate_validator()]
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request = generate_init_chain_request('chain-XYZ', validators)
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res = App(b).init_chain(request)
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assert res == ResponseInitChain()
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validator_set = query.get_validator_set(b.connection)['validators']
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# simulate a migration
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query.store_block(b.connection, Block(app_hash='', height=1,
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transactions=[])._asdict())
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b.migrate_abci_chain()
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# the same or other mismatching requests are ignored
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invalid_requests = [
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request,
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generate_init_chain_request('unknown', validators),
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generate_init_chain_request('chain-XYZ'),
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generate_init_chain_request('chain-XYZ-migrated-at-height-1'),
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]
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for r in invalid_requests:
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with pytest.raises(SystemExit):
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App(b).init_chain(r)
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assert query.get_latest_abci_chain(b.connection) == {
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'chain_id': 'chain-XYZ-migrated-at-height-1',
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'is_synced': False,
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'height': 2,
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}
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new_validator_set = query.get_validator_set(b.connection)['validators']
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assert new_validator_set == validator_set
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# a request with the matching chain ID and matching validator set
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# completes the migration
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request = generate_init_chain_request('chain-XYZ-migrated-at-height-1',
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validators)
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res = App(b).init_chain(request)
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assert res == ResponseInitChain()
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assert query.get_latest_abci_chain(b.connection) == {
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'chain_id': 'chain-XYZ-migrated-at-height-1',
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'is_synced': True,
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'height': 2,
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}
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assert query.get_latest_block(b.connection) == {
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'height': 2,
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'app_hash': '',
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'transactions': [],
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}
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# requests with old chain ID and other requests are ignored
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invalid_requests = [
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request,
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generate_init_chain_request('chain-XYZ', validators),
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generate_init_chain_request('chain-XYZ-migrated-at-height-1'),
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]
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for r in invalid_requests:
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with pytest.raises(SystemExit):
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App(b).init_chain(r)
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assert query.get_latest_abci_chain(b.connection) == {
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'chain_id': 'chain-XYZ-migrated-at-height-1',
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'is_synced': True,
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'height': 2,
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}
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new_validator_set = query.get_validator_set(b.connection)['validators']
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assert new_validator_set == validator_set
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assert query.get_latest_block(b.connection) == {
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'height': 2,
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'app_hash': '',
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'transactions': [],
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}
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def test_info(b):
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r = RequestInfo()
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app = App(b)
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res = app.info(r)
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assert res.last_block_height == 0
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assert res.last_block_app_hash == b''
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b.store_block(Block(app_hash='1', height=1, transactions=[])._asdict())
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res = app.info(r)
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assert res.last_block_height == 1
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assert res.last_block_app_hash == b'1'
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# simulate a migration and assert the height is shifted
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b.store_abci_chain(2, 'chain-XYZ')
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app = App(b)
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b.store_block(Block(app_hash='2', height=2, transactions=[])._asdict())
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res = app.info(r)
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assert res.last_block_height == 0
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assert res.last_block_app_hash == b'2'
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b.store_block(Block(app_hash='3', height=3, transactions=[])._asdict())
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res = app.info(r)
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assert res.last_block_height == 1
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assert res.last_block_app_hash == b'3'
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# it's always the latest migration that is taken into account
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b.store_abci_chain(4, 'chain-XYZ-new')
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app = App(b)
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b.store_block(Block(app_hash='4', height=4, transactions=[])._asdict())
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res = app.info(r)
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assert res.last_block_height == 0
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assert res.last_block_app_hash == b'4'
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def test_check_tx__signed_create_is_ok(b):
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from bigchaindb import App
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from bigchaindb.models import Transaction
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from bigchaindb.common.crypto import generate_key_pair
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alice = generate_key_pair()
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bob = generate_key_pair()
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tx = Transaction.create([alice.public_key],
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[([bob.public_key], 1)])\
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.sign([alice.private_key])
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app = App(b)
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result = app.check_tx(encode_tx_to_bytes(tx))
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assert result.code == CodeTypeOk
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def test_check_tx__unsigned_create_is_error(b):
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from bigchaindb import App
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from bigchaindb.models import Transaction
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from bigchaindb.common.crypto import generate_key_pair
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alice = generate_key_pair()
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bob = generate_key_pair()
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tx = Transaction.create([alice.public_key],
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[([bob.public_key], 1)])
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app = App(b)
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result = app.check_tx(encode_tx_to_bytes(tx))
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assert result.code == CodeTypeError
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def test_deliver_tx__valid_create_updates_db(b, init_chain_request):
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from bigchaindb import App
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from bigchaindb.models import Transaction
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from bigchaindb.common.crypto import generate_key_pair
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alice = generate_key_pair()
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bob = generate_key_pair()
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tx = Transaction.create([alice.public_key],
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[([bob.public_key], 1)])\
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.sign([alice.private_key])
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app = App(b)
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app.init_chain(init_chain_request)
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begin_block = RequestBeginBlock()
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app.begin_block(begin_block)
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result = app.deliver_tx(encode_tx_to_bytes(tx))
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assert result.code == CodeTypeOk
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app.end_block(RequestEndBlock(height=99))
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app.commit()
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assert b.get_transaction(tx.id).id == tx.id
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# unspent_outputs = b.get_unspent_outputs()
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# unspent_output = next(unspent_outputs)
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# expected_unspent_output = next(tx.unspent_outputs)._asdict()
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# assert unspent_output == expected_unspent_output
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# with pytest.raises(StopIteration):
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# next(unspent_outputs)
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def test_deliver_tx__double_spend_fails(b, init_chain_request):
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from bigchaindb import App
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from bigchaindb.models import Transaction
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from bigchaindb.common.crypto import generate_key_pair
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alice = generate_key_pair()
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bob = generate_key_pair()
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tx = Transaction.create([alice.public_key],
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[([bob.public_key], 1)])\
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.sign([alice.private_key])
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app = App(b)
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app.init_chain(init_chain_request)
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begin_block = RequestBeginBlock()
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app.begin_block(begin_block)
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result = app.deliver_tx(encode_tx_to_bytes(tx))
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assert result.code == CodeTypeOk
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app.end_block(RequestEndBlock(height=99))
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app.commit()
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assert b.get_transaction(tx.id).id == tx.id
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result = app.deliver_tx(encode_tx_to_bytes(tx))
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assert result.code == CodeTypeError
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def test_deliver_transfer_tx__double_spend_fails(b, init_chain_request):
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from bigchaindb import App
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from bigchaindb.models import Transaction
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from bigchaindb.common.crypto import generate_key_pair
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app = App(b)
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app.init_chain(init_chain_request)
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begin_block = RequestBeginBlock()
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app.begin_block(begin_block)
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alice = generate_key_pair()
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bob = generate_key_pair()
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carly = generate_key_pair()
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asset = {
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'msg': 'live long and prosper'
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}
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tx = Transaction.create([alice.public_key],
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[([alice.public_key], 1)],
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asset=asset)\
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.sign([alice.private_key])
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result = app.deliver_tx(encode_tx_to_bytes(tx))
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assert result.code == CodeTypeOk
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tx_transfer = Transaction.transfer(tx.to_inputs(),
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[([bob.public_key], 1)],
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asset_id=tx.id)\
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.sign([alice.private_key])
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result = app.deliver_tx(encode_tx_to_bytes(tx_transfer))
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assert result.code == CodeTypeOk
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double_spend = Transaction.transfer(tx.to_inputs(),
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[([carly.public_key], 1)],
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asset_id=tx.id)\
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.sign([alice.private_key])
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result = app.deliver_tx(encode_tx_to_bytes(double_spend))
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assert result.code == CodeTypeError
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# The test below has to re-written one election conclusion logic has been implemented
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@pytest.mark.skip
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def test_end_block_return_validator_updates(b, init_chain_request):
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from bigchaindb import App
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from bigchaindb.backend import query
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from bigchaindb.core import encode_validator
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from bigchaindb.backend.query import VALIDATOR_UPDATE_ID
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app = App(b)
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app.init_chain(init_chain_request)
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begin_block = RequestBeginBlock()
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app.begin_block(begin_block)
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validator = {'pub_key': {'type': 'ed25519',
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'data': 'B0E42D2589A455EAD339A035D6CE1C8C3E25863F268120AA0162AD7D003A4014'},
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'power': 10}
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validator_update = {'validator': validator,
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'update_id': VALIDATOR_UPDATE_ID}
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query.store_validator_update(b.connection, validator_update)
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resp = app.end_block(RequestEndBlock(height=99))
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assert resp.validator_updates[0] == encode_validator(validator)
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updates = b.get_validator_update()
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assert updates == []
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def test_store_pre_commit_state_in_end_block(b, alice, init_chain_request):
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from bigchaindb import App
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from bigchaindb.backend import query
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from bigchaindb.models import Transaction
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from bigchaindb.backend.query import PRE_COMMIT_ID
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tx = Transaction.create([alice.public_key],
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[([alice.public_key], 1)],
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asset={'msg': 'live long and prosper'})\
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.sign([alice.private_key])
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app = App(b)
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app.init_chain(init_chain_request)
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begin_block = RequestBeginBlock()
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app.begin_block(begin_block)
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app.deliver_tx(encode_tx_to_bytes(tx))
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app.end_block(RequestEndBlock(height=99))
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resp = query.get_pre_commit_state(b.connection, PRE_COMMIT_ID)
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assert resp['commit_id'] == PRE_COMMIT_ID
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assert resp['height'] == 99
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assert resp['transactions'] == [tx.id]
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app.begin_block(begin_block)
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app.deliver_tx(encode_tx_to_bytes(tx))
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app.end_block(RequestEndBlock(height=100))
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resp = query.get_pre_commit_state(b.connection, PRE_COMMIT_ID)
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assert resp['commit_id'] == PRE_COMMIT_ID
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assert resp['height'] == 100
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assert resp['transactions'] == [tx.id]
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# simulate a chain migration and assert the height is shifted
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b.store_abci_chain(100, 'new-chain')
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app = App(b)
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app.begin_block(begin_block)
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app.deliver_tx(encode_tx_to_bytes(tx))
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app.end_block(RequestEndBlock(height=1))
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resp = query.get_pre_commit_state(b.connection, PRE_COMMIT_ID)
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assert resp['commit_id'] == PRE_COMMIT_ID
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assert resp['height'] == 101
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assert resp['transactions'] == [tx.id]
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def test_new_validator_set(b):
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node1 = {'public_key': {'type': 'ed25519-base64',
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'value': 'FxjS2/8AFYoIUqF6AcePTc87qOT7e4WGgH+sGCpTUDQ='},
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'voting_power': 10}
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node1_new_power = {'public_key': {'value': '1718D2DBFF00158A0852A17A01C78F4DCF3BA8E4FB7B8586807FAC182A535034',
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'type': 'ed25519-base16'},
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'power': 20}
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node2 = {'public_key': {'value': '1888A353B181715CA2554701D06C1665BC42C5D936C55EA9C5DBCBDB8B3F02A3',
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'type': 'ed25519-base16'},
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'power': 10}
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validators = [node1]
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updates = [node1_new_power, node2]
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b.store_validator_set(1, validators, 'election_id')
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updated_validator_set = new_validator_set(b.get_validators(1), updates)
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updated_validators = []
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for u in updates:
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updated_validators.append({'public_key': {'type': 'ed25519-base64',
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'value': public_key_to_base64(u['public_key']['value'])},
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'voting_power': u['power']})
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assert updated_validator_set == updated_validators
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def test_info_aborts_if_chain_is_not_synced(b):
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b.store_abci_chain(0, 'chain-XYZ', False)
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with pytest.raises(SystemExit):
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App(b).info(RequestInfo())
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def test_check_tx_aborts_if_chain_is_not_synced(b):
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b.store_abci_chain(0, 'chain-XYZ', False)
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with pytest.raises(SystemExit):
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App(b).check_tx('some bytes')
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def test_begin_aborts_if_chain_is_not_synced(b):
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b.store_abci_chain(0, 'chain-XYZ', False)
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with pytest.raises(SystemExit):
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App(b).info(RequestBeginBlock())
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def test_deliver_tx_aborts_if_chain_is_not_synced(b):
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b.store_abci_chain(0, 'chain-XYZ', False)
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with pytest.raises(SystemExit):
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App(b).deliver_tx('some bytes')
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def test_end_block_aborts_if_chain_is_not_synced(b):
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b.store_abci_chain(0, 'chain-XYZ', False)
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with pytest.raises(SystemExit):
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App(b).info(RequestEndBlock())
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def test_commit_aborts_if_chain_is_not_synced(b):
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b.store_abci_chain(0, 'chain-XYZ', False)
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with pytest.raises(SystemExit):
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App(b).commit()
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