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Gets rid of blob classes. Close #66

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Sergi Delgado Segura
2020-04-09 17:54:05 +02:00
parent 80e72f089d
commit 71507d4c32
17 changed files with 42 additions and 109 deletions
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22
teos/watcher.py
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@@ -20,8 +20,8 @@ class Watcher:
The :class:`Watcher` keeps track of the accepted appointments in ``appointments`` and, for new received block,
checks if any breach has happened by comparing the txids with the appointment locators. If a breach is seen, the
:obj:`EncryptedBlob <common.encrypted_blob.EncryptedBlob>` of the corresponding appointment is decrypted and the
data is passed to the :obj:`Responder <teos.responder.Responder>`.
``encrypted_blob`` of the corresponding appointment is decrypted and the data is passed to the
:obj:`Responder <teos.responder.Responder>`.
If an appointment reaches its end with no breach, the data is simply deleted.
@@ -102,9 +102,8 @@ class Watcher:
``add_appointment`` is the entry point of the ``Watcher``. Upon receiving a new appointment it will start
monitoring the blockchain (``do_watch``) until ``appointments`` is empty.
Once a breach is seen on the blockchain, the :obj:`Watcher` will decrypt the corresponding
:obj:`EncryptedBlob <common.encrypted_blob.EncryptedBlob>` and pass the information to the
:obj:`Responder <teos.responder.Responder>`.
Once a breach is seen on the blockchain, the :obj:`Watcher` will decrypt the corresponding ``encrypted_blob``
and pass the information to the :obj:`Responder <teos.responder.Responder>`.
The tower may store multiple appointments with the same ``locator`` to avoid DoS attacks based on data
rewriting. `locators`` should be derived from the ``dispute_txid``, but that task is performed by the user, and
@@ -133,7 +132,7 @@ class Watcher:
self.appointments[uuid] = {
"locator": appointment.locator,
"end_time": appointment.end_time,
"size": len(appointment.encrypted_blob.data),
"size": len(appointment.encrypted_blob),
}
if appointment.locator in self.locator_uuid_map:
@@ -268,9 +267,8 @@ class Watcher:
"""
Filters what of the found breaches contain valid transaction data.
The :obj:`Watcher` cannot if a given :obj:`EncryptedBlob <common.encrypted_blob.EncryptedBlob>` contains a valid
transaction until a breach if seen. Blobs that contain arbitrary data are dropped and not sent to the
:obj:`Responder <teos.responder.Responder>`.
The :obj:`Watcher` cannot if a given ``encrypted_blob`` contains a valid transaction until a breach if seen.
Blobs that contain arbitrary data are dropped and not sent to the :obj:`Responder <teos.responder.Responder>`.
Args:
breaches (:obj:`dict`): a dictionary containing channel breaches (``locator:txid``).
@@ -292,8 +290,8 @@ class Watcher:
for uuid in self.locator_uuid_map[locator]:
appointment = Appointment.from_dict(self.db_manager.load_watcher_appointment(uuid))
if appointment.encrypted_blob.data in decrypted_blobs:
penalty_tx, penalty_rawtx = decrypted_blobs[appointment.encrypted_blob.data]
if appointment.encrypted_blob in decrypted_blobs:
penalty_tx, penalty_rawtx = decrypted_blobs[appointment.encrypted_blob]
else:
try:
@@ -303,7 +301,7 @@ class Watcher:
penalty_rawtx = None
penalty_tx = self.block_processor.decode_raw_transaction(penalty_rawtx)
decrypted_blobs[appointment.encrypted_blob.data] = (penalty_tx, penalty_rawtx)
decrypted_blobs[appointment.encrypted_blob] = (penalty_tx, penalty_rawtx)
if penalty_tx is not None:
valid_breaches[uuid] = {