def sync():
Client(os.environ.get('SENTRY_DSN'))
public_url = get_my_public_url()
if public_url:
click.echo(f"You have a public node url. ({public_url})")
Node.broadcast(Node.post_node_endpoint, {'url': public_url})
Node.update()
engine = db.engine
if not engine.dialect.has_table(engine.connect(), Block.__tablename__):
click.echo("You need to initialize. try `nekoyume init`.")
return False
while True:
try:
prev_id = Block.query.order_by(Block.id.desc()).first().id
except AttributeError:
prev_id = 0
Block.sync(click=click)
try:
if prev_id == Block.query.order_by(Block.id.desc()).first().id:
click.echo("The blockchain is up to date.")
time.sleep(15)
except AttributeError:
click.echo(("There is no well-connected node. "
"please check you network."))
break
def init(seed):
click.echo('Creating database...')
db.create_all()
click.echo(f'Updating node... (seed: {seed})')
Node.update(Node(url=seed))
click.echo('Syncing blocks...')
Block.sync(click=click)
def test_hack_and_slash_execute(fx_user, fx_novice_status):
move = fx_user.create_novice(fx_novice_status)
Block.create(fx_user, [move])
avatar = fx_user.avatar()
avatar.hp = 0
move = fx_user.move(HackAndSlash())
Block.create(fx_user, [move])
with raises(InvalidMoveError):
move.execute(avatar)
def post_block():
new_block = request.get_json()
last_block = Block.query.order_by(Block.id.desc()).first()
if not new_block:
return jsonify(result='failed', message="empty block."), 400
if not last_block and new_block['id'] != 1:
Block.sync(Node.query.order_by(Node.last_connected_at.desc()).first())
return jsonify(result='failed',
message="new block isn't our next block."), 403
if (new_block['id'] > 1
and (new_block['id'] != last_block.id + 1
or new_block['prev_hash'] != last_block.hash)):
if new_block['id'] > last_block.id + 1:
Block.sync(
Node.query.order_by(Node.last_connected_at.desc()).first())
return jsonify(result='failed',
message="new block isn't our next block."), 403
block = Block.deserialize(new_block)
for new_move in new_block['moves']:
move = Move.query.get(new_move['id'])
if not move:
move = Move(
id=new_move['id'],
user=new_move['user'],
name=new_move['name'],
signature=new_move['signature'],
tax=new_move['tax'],
details=new_move['details'],
created_at=datetime.datetime.strptime(new_move['created_at'],
'%Y-%m-%d %H:%M:%S.%f'),
block_id=block.id,
)
if not move.valid:
return jsonify(result='failed',
message=f"move {move.id} isn't valid."), 400
block.moves.append(move)
if not block.valid:
return jsonify(result='failed', message="new block isn't valid."), 400
db.session.add(block)
try:
db.session.commit()
except IntegrityError:
return jsonify(result='failed',
message="This node already has this block."), 400
sent_node = Node()
if 'sent_node' in new_block:
sent_node.url = new_block['sent_node']
block_broadcast.delay(block.id,
sent_node_url=sent_node.url,
my_node_url=f'{request.scheme}://{request.host}')
return jsonify(result='success')
def init(seed, sync):
click.echo('Creating database...')
db.create_all()
click.echo(f'Updating node... (seed: {seed})')
if seed:
Node.update(Node.get(url=seed))
else:
Node.update()
if sync:
click.echo('Syncing blocks...')
Block.sync(click=click)
def neko(private_key):
app.app_context().push()
while True:
Block.sync()
block = User(private_key).create_block(
Move.query.filter_by(block=None).limit(20).all(),
click=click,
)
if block:
block.broadcast()
click.echo(block)
def add_block(new_block):
block = Block()
block.id = new_block['id']
block.creator = new_block['creator']
block.created_at = datetime.datetime.strptime(new_block['created_at'],
'%Y-%m-%d %H:%M:%S.%f')
block.prev_hash = new_block['prev_hash']
block.hash = new_block['hash']
block.difficulty = new_block['difficulty']
block.suffix = new_block['suffix']
block.root_hash = new_block['root_hash']
fx_session.add(block)
return block
def init(seed, sync):
echo('Creating database...')
db.create_all()
echo(f'Updating node... (seed: {seed})')
if sync:
Node.update(Node.get(url=seed))
echo('Syncing blocks...')
Block.sync(echo=echo)
echo('Compiling translations...')
dir_path = os.path.abspath(os.path.dirname(__file__))
compile_command = compile_catalog()
compile_command.directory = dir_path + '/translations'
compile_command.finalize_options()
compile_command.run()
def neko(private_key):
app.app_context().push()
Client(os.environ.get('SENTRY_DSN'))
while True:
Block.sync()
block = User(private_key).create_block(
[
m for m in Move.query.filter_by(block=None).limit(20).all()
if m.valid
],
click=click,
)
if block:
block.broadcast()
click.echo(block)
def test_get_blocks(fx_test_client, fx_user):
move = fx_user.sleep()
rv = fx_test_client.get(f'/moves/{move.id}')
assert rv.status == '200 OK'
assert move.id.encode() in rv.data
block = Block.create(fx_user, [move])
rv = fx_test_client.get(f'/blocks')
assert rv.status == '200 OK'
assert block.hash.encode() in rv.data
assert move.id.encode() in rv.data
rv = fx_test_client.get(f'/blocks/{block.id}')
assert rv.status == '200 OK'
assert block.hash.encode() in rv.data
assert move.id.encode() in rv.data
rv = fx_test_client.get(f'/blocks/{block.hash}')
assert rv.status == '200 OK'
assert block.hash.encode() in rv.data
rv = fx_test_client.get(f'/blocks/last')
assert rv.status == '200 OK'
assert block.hash.encode() in rv.data
def test_block_validation(fx_user, fx_novice_status):
move = fx_user.create_novice(fx_novice_status)
block = Block.create(fx_user, [move])
assert block.valid
move.id = ('00000000000000000000000000000000'
'00000000000000000000000000000000')
assert not block.valid
def sync():
public_url = get_my_public_url()
if public_url:
click.echo(f"You have a public node url. ({public_url})")
Node.broadcast(Node.post_node_endpoint, {'url': public_url})
while True:
try:
prev_id = Block.query.order_by(Block.id.desc()).first().id
except AttributeError:
click.echo("You need to initialize. try `nekoyume init`.")
break
if not prev_id:
click.echo("You need to initialize. try `nekoyume init`.")
break
Block.sync(click=click)
if prev_id == Block.query.order_by(Block.id.desc()).first().id:
click.echo("The blockchain is up to date.")
time.sleep(15)
def test_prevent_hack_and_slash_when_dead(
fx_test_client: FlaskClient,
fx_session: Session,
fx_user: User,
fx_private_key: PrivateKey,
fx_novice_status: typing.Dict[str, str],
):
move = fx_user.create_novice(fx_novice_status)
Block.create(fx_user, [move])
assert fx_user.avatar().dead is False
while fx_user.avatar().hp > 0:
move = fx_user.hack_and_slash()
Block.create(fx_user, [move])
assert fx_user.avatar().dead is True
response = fx_test_client.post('/session_moves',
data={'name': 'hack_and_slash'})
assert response.status_code == 302
def test_sync(fx_user, fx_session, fx_other_user, fx_other_session, fx_server,
fx_novice_status):
assert fx_other_session.query(Block).count() == 0
assert fx_session.query(Block).count() == 0
Block.sync(Node(url=fx_server.url), fx_other_session)
assert fx_other_session.query(Block).count() == 0
assert fx_session.query(Block).count() == 0
fx_other_user.create_block([])
Block.sync(Node(url=fx_server.url), fx_other_session)
assert fx_other_session.query(Block).count() == 1
assert fx_session.query(Block).count() == 0
move = fx_user.create_novice(fx_novice_status)
fx_user.create_block([move])
fx_user.create_block([])
fx_user.create_block([])
assert fx_other_session.query(Block).count() == 1
assert fx_other_session.query(Move).count() == 0
assert fx_session.query(Block).count() == 3
assert fx_session.query(Move).count() == 1
Block.sync(Node(url=fx_server.url), fx_other_session)
assert fx_other_session.query(Block).count() == 3
assert fx_other_session.query(Move).count() == 1
assert fx_session.query(Block).count() == 3
assert fx_session.query(Move).count() == 1
def test_block_broadcast(fx_user, fx_session, fx_other_user, fx_other_session,
fx_server):
assert fx_other_session.query(Block).count() == 0
assert fx_session.query(Block).count() == 0
fx_other_session.add(
Node(url=fx_server.url, last_connected_at=datetime.datetime.utcnow()))
fx_other_session.commit()
block = Block.create(fx_other_user, [])
block.broadcast(session=fx_other_session)
assert fx_other_session.query(Block).count() == 1
assert fx_session.query(Block).count() == 1
def test_avatar_basic_moves(fx_user, fx_novice_status):
moves = [
CreateNovice(details=fx_novice_status),
HackAndSlash(),
Sleep(),
Say(details={'content': 'hi'}),
LevelUp(details={'new_status': 'strength'}),
]
for move in moves:
move = fx_user.move(move)
block = Block.create(fx_user, [move])
assert move.valid
assert move.confirmed
assert block.valid
assert fx_user.avatar(block.id)
def test_move_confirmed_and_validation(fx_user, fx_novice_status):
move = Move()
assert not move.confirmed
assert not move.valid
move = fx_user.create_novice(fx_novice_status)
assert not move.confirmed
assert move.valid
block = Block.create(fx_user, [move])
assert move.block_id
assert move.confirmed
assert move.valid
move.tax = 1
assert not move.valid
assert not block.valid
def test_level_up(fx_user, fx_novice_status):
move = fx_user.create_novice(fx_novice_status)
Block.create(fx_user, [move])
while True:
if fx_user.avatar().exp >= 8:
break
move = fx_user.hack_and_slash()
Block.create(fx_user, [move])
if fx_user.avatar().hp <= 0:
move = fx_user.sleep()
Block.create(fx_user, [move])
assert fx_user.avatar().level >= 2
def test_move(fx_test_client, fx_session, fx_user, fx_private_key):
rv = fx_test_client.post('/login',
data={
'private_key': fx_private_key.to_hex(),
},
follow_redirects=True)
rv = fx_test_client.post('/new')
Block.create(fx_user,
fx_session.query(Move).filter_by(block_id=None).all())
rv = fx_test_client.get('/')
assert rv.status == '200 OK'
assert fx_user.address.encode() in rv.data
rv = fx_test_client.post('/session_moves',
data={'name': 'hack_and_slash'},
follow_redirects=True)
assert rv.status == '200 OK'
Block.create(fx_user,
fx_session.query(Move).filter_by(block_id=None).all())
rv = fx_test_client.post('/session_moves',
data={'name': 'sleep'},
follow_redirects=True)
assert rv.status == '200 OK'
Block.create(fx_user,
fx_session.query(Move).filter_by(block_id=None).all())
rv = fx_test_client.post('/session_moves',
data={
'name': 'say',
'content': 'hi!',
},
follow_redirects=True)
assert rv.status == '200 OK'
Block.create(fx_user,
fx_session.query(Move).filter_by(block_id=None).all())
def add_block(new_block):
block = Block.deserialize(new_block)
fx_session.add(block)
return block
def test_flush_session_while_syncing(fx_user, fx_session, fx_other_session,
fx_novice_status):
# 1. block validation failure scenario
# syncing without flushing can cause block validation failure
move = fx_user.create_novice(fx_novice_status)
invalid_block = Block.create(fx_user, [move])
fx_session.delete(invalid_block)
# syncing valid blocks from another node
new_blocks = [
{
"created_at": "2018-04-13 11:36:17.920869",
"creator": "ET8ngv45qwhkDiJS1ZrUxndcGTzHxjPZDs",
"difficulty": 0,
"hash":
"da0182c494660af0d9dd288839ceb86498708f38c800363cd46ed1730013a4d8", # noqa
"id": 1,
"version": 2,
"moves": [],
"prev_hash": None,
"root_hash":
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", # noqa
"suffix": "00"
},
{
"created_at": "2018-04-13 11:36:17.935392",
"creator": "ET8ngv45qwhkDiJS1ZrUxndcGTzHxjPZDs",
"difficulty": 1,
"hash":
"014c44b9382a45c2a70d817c090e6b78af22b8f34b57fd7edb474344f25c439c", # noqa
"id": 2,
"version": 2,
"moves": [],
"prev_hash":
"da0182c494660af0d9dd288839ceb86498708f38c800363cd46ed1730013a4d8", # noqa
"root_hash":
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", # noqa
"suffix": "0b"
}
]
def add_block(new_block):
block = Block.deserialize(new_block)
fx_session.add(block)
return block
valid_block1 = add_block(new_blocks[0])
valid_block2 = add_block(new_blocks[1])
assert invalid_block.hash == \
fx_session.query(Block).get(valid_block2.id - 1).hash
assert valid_block2.valid is False
fx_session.query(Block).delete()
# 2. valid scenario
# flush session after deleting the invalid block
move = fx_user.create_novice(fx_novice_status)
invalid_block = Block.create(fx_user, [move])
fx_session.delete(invalid_block)
fx_session.flush()
valid_block1 = add_block(new_blocks[0])
valid_block2 = add_block(new_blocks[1])
assert valid_block1.hash == \
fx_session.query(Block).get(valid_block2.id - 1).hash
assert valid_block2.valid
