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Adds last_known_block to Watcher and stores last block on db on fresh bootstrap Watcher and Responder

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This commit is contained in:
Sergi Delgado Segura
2020-04-01 10:56:59 +02:00
parent 307fd7dabf
commit be39855d7f
2 changed files with 10 additions and 1 deletions
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10
teos/watcher.py
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@@ -51,9 +51,10 @@ class Watcher:
block_processor (:obj:`BlockProcessor <teos.block_processor.BlockProcessor>`): a ``BlockProcessor`` instance to
get block from bitcoind.
responder (:obj:`Responder <teos.responder.Responder>`): a ``Responder`` instance.
signing_key (:mod:`PrivateKey`): a private key used to sign accepted appointments.
max_appointments (:obj:`int`): the maximum ammount of appointments accepted by the ``Watcher`` at the same time.
expiry_delta (:obj:`int`): the additional time the ``Watcher`` will keep an expired appointment around.
signing_key (:mod:`PrivateKey`): a private key used to sign accepted appointments.
last_known_block (:obj:`str`): the last block known by the ``Watcher``.
Raises:
ValueError: if `teos_sk_file` is not found.
@@ -70,6 +71,7 @@ class Watcher:
self.max_appointments = max_appointments
self.expiry_delta = expiry_delta
self.signing_key = Cryptographer.load_private_key_der(sk_der)
self.last_known_block = db_manager.load_last_block_hash_responder()
def awake(self):
watcher_thread = Thread(target=self.do_watch, daemon=True)
@@ -141,6 +143,11 @@ class Watcher:
:obj:`Responder <teos.responder.Responder>` upon detecting a breach.
"""
# Distinguish fresh bootstraps from bootstraps from db
if self.last_known_block is None:
self.last_known_block = self.block_processor.get_best_block_hash()
self.db_manager.store_last_block_hash_watcher(self.last_known_block)
while True:
block_hash = self.block_queue.get()
block = self.block_processor.get_block(block_hash)
@@ -203,6 +210,7 @@ class Watcher:
# Register the last processed block for the watcher
self.db_manager.store_last_block_hash_watcher(block_hash)
self.last_known_block = block.get("hash")
self.block_queue.task_done()
def get_breaches(self, txids):