class NewView(MessageBase):
typename = NEW_VIEW
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.VIEW_CHANGES.nm, IterableField(ViewChangeField())), # list of tuples (node_name, view_change_digest)
(f.CHECKPOINT.nm, AnyField()), # Checkpoint to be selected as stable (TODO: or tuple?)
(f.BATCHES.nm, IterableField(BatchIDField())) # list of tuples (view_no, pp_view_no, pp_seq_no, pp_digest)
# that should get into new view
)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if isinstance(self.checkpoint, dict):
self.checkpoint = Checkpoint(**self.checkpoint)
# The field `batches` can to be a list of BatchIDs or of dicts.
# If it's not a list of dicts then we don't need to deserialize it.
if not self.batches or not isinstance(self.batches[0], dict):
return
self.batches = [BatchID(**bid)
for bid in self.batches
if isinstance(bid, dict)]
def _asdict(self):
result = super()._asdict()
chk = self.checkpoint
if not isinstance(chk, dict):
result[f.CHECKPOINT.nm] = chk._asdict()
# The field `batches` can to be a list of BatchIDs or of dicts.
# If its a list of dicts then we don't need to serialize it.
if not self.batches or not isinstance(self.batches[0], BatchID):
return result
result[f.BATCHES.nm] = [bid._asdict()
for bid in self.batches]
return result
def test_min_max_checks():
validator = IterableField(NonNegativeNumberField(), min_length=3,
max_length=10)
assert validator.validate(list(range(2)))
for i in range(3, 11):
assert not validator.validate(list(range(i)))
assert validator.validate(list(range(12)))
class ViewChange(MessageBase):
typename = VIEW_CHANGE
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.STABLE_CHECKPOINT.nm, NonNegativeNumberField()),
(f.PREPARED.nm, IterableField(AnyField())), # list of PrePrepare
(f.PREPREPARED.nm, IterableField(AnyField())), # list of PrePrepare
(f.CHECKPOINTS.nm, IterableField(AnyField())) # list of Checkpoint
)
class NewView(MessageBase):
typename = NEW_VIEW
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.VIEW_CHANGES.nm, IterableField(ViewChangeField())), # list of tuples (node_name, view_change_digest)
(f.CHECKPOINT.nm, AnyField()), # Checkpoint to be selected as stable (TODO: or tuple?)
(f.BATCHES.nm, IterableField(BatchIDField())) # list of tuples (view_no, pp_seq_no, pp_digest)
# that should get into new view
)
class ViewChange(MessageBase):
typename = VIEW_CHANGE
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.STABLE_CHECKPOINT.nm, NonNegativeNumberField()),
(f.PREPARED.nm, IterableField(BatchIDField())), # list of tuples (view_no, pp_seq_no, pp_digest)
(f.PREPREPARED.nm, IterableField(BatchIDField())), # list of tuples (view_no, pp_seq_no, pp_digest)
(f.CHECKPOINTS.nm, IterableField(AnyField())) # list of Checkpoints TODO: should we change to tuples?
)
class NewView(MessageBase):
typename = NEW_VIEW
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.VIEW_CHANGES.nm, IterableField(
AnyField())), # list of tuples (node_name, view_change_digest)
(f.CHECKPOINT.nm, AnyField()), # Checkpoint to be selected as stable
(f.PREPREPARES.nm, IterableField(AnyField())
) # list of PrePrepares that should get into new view
)
class SetContextField(MessageValidator):
context = (
(CONTEXT_NAME, LimitedLengthStringField(max_length=NAME_FIELD_LIMIT)),
(CONTEXT_VERSION, VersionField(version_cls=ContextVersion)),
(CONTEXT_CONTEXT_ARRAY, IterableField(
LimitedLengthStringField(max_length=NAME_FIELD_LIMIT),
min_length=1,
max_length=CONTEXT_ATTRIBUTES_LIMIT)),
)
class Ordered(MessageBase):
typename = ORDERED
schema = (
(f.INST_ID.nm, NonNegativeNumberField()),
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.REQ_IDR.nm, IterableField(RequestIdentifierField())),
(f.PP_SEQ_NO.nm, NonNegativeNumberField()),
(f.PP_TIME.nm, TimestampField()),
(f.LEDGER_ID.nm, LedgerIdField()),
(f.STATE_ROOT.nm, MerkleRootField(nullable=True)),
(f.TXN_ROOT.nm, MerkleRootField(nullable=True)),
)
class PrePrepare(MessageBase):
typename = PREPREPARE
schema = (
(f.INST_ID.nm, NonNegativeNumberField()),
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.PP_SEQ_NO.nm, NonNegativeNumberField()),
(f.PP_TIME.nm, TimestampField()),
(f.REQ_IDR.nm, IterableField(RequestIdentifierField())),
(f.DISCARDED.nm, NonNegativeNumberField()),
(f.DIGEST.nm, LimitedLengthStringField(max_length=DIGEST_FIELD_LIMIT)),
(f.LEDGER_ID.nm, LedgerIdField()),
(f.STATE_ROOT.nm, MerkleRootField(nullable=True)),
(f.TXN_ROOT.nm, MerkleRootField(nullable=True)),
)
def test_valid_inner_type():
validator = IterableField(NonNegativeNumberField())
assert not validator.validate([1, 2, 3])
assert validator.validate([1, 2, -3])