id int32 0 252k | repo stringlengths 7 55 | path stringlengths 4 127 | func_name stringlengths 1 88 | original_string stringlengths 75 19.8k | language stringclasses 1
value | code stringlengths 75 19.8k | code_tokens list | docstring stringlengths 3 17.3k | docstring_tokens list | sha stringlengths 40 40 | url stringlengths 87 242 |
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230,400 | orbingol/NURBS-Python | geomdl/_tessellate.py | surface_tessellate | def surface_tessellate(v1, v2, v3, v4, vidx, tidx, trim_curves, tessellate_args):
""" Triangular tessellation algorithm for surfaces with no trims.
This function can be directly used as an input to :func:`.make_triangle_mesh` using ``tessellate_func`` keyword
argument.
:param v1: vertex 1
:type v1... | python | def surface_tessellate(v1, v2, v3, v4, vidx, tidx, trim_curves, tessellate_args):
""" Triangular tessellation algorithm for surfaces with no trims.
This function can be directly used as an input to :func:`.make_triangle_mesh` using ``tessellate_func`` keyword
argument.
:param v1: vertex 1
:type v1... | [
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:param v1: vertex 1
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230,401 | Bearle/django-private-chat | django_private_chat/handlers.py | gone_online | def gone_online(stream):
"""
Distributes the users online status to everyone he has dialog with
"""
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
if session_id:
user_owner = get_user_from_session(session_id)
i... | python | def gone_online(stream):
"""
Distributes the users online status to everyone he has dialog with
"""
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
if session_id:
user_owner = get_user_from_session(session_id)
i... | [
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230,402 | Bearle/django-private-chat | django_private_chat/handlers.py | new_messages_handler | def new_messages_handler(stream):
"""
Saves a new chat message to db and distributes msg to connected users
"""
# TODO: handle no user found exception
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
msg = packet.get('message')
... | python | def new_messages_handler(stream):
"""
Saves a new chat message to db and distributes msg to connected users
"""
# TODO: handle no user found exception
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
msg = packet.get('message')
... | [
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230,403 | Bearle/django-private-chat | django_private_chat/handlers.py | users_changed_handler | def users_changed_handler(stream):
"""
Sends connected client list of currently active users in the chatroom
"""
while True:
yield from stream.get()
# Get list list of current active users
users = [
{'username': username, 'uuid': uuid_str}
for u... | python | def users_changed_handler(stream):
"""
Sends connected client list of currently active users in the chatroom
"""
while True:
yield from stream.get()
# Get list list of current active users
users = [
{'username': username, 'uuid': uuid_str}
for u... | [
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230,404 | Bearle/django-private-chat | django_private_chat/handlers.py | is_typing_handler | def is_typing_handler(stream):
"""
Show message to opponent if user is typing message
"""
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
user_opponent = packet.get('username')
typing = packet.get('typing')
if session_i... | python | def is_typing_handler(stream):
"""
Show message to opponent if user is typing message
"""
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
user_opponent = packet.get('username')
typing = packet.get('typing')
if session_i... | [
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230,405 | Bearle/django-private-chat | django_private_chat/handlers.py | read_message_handler | def read_message_handler(stream):
"""
Send message to user if the opponent has read the message
"""
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
user_opponent = packet.get('username')
message_id = packet.get('message_id')
... | python | def read_message_handler(stream):
"""
Send message to user if the opponent has read the message
"""
while True:
packet = yield from stream.get()
session_id = packet.get('session_key')
user_opponent = packet.get('username')
message_id = packet.get('message_id')
... | [
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230,406 | Bearle/django-private-chat | django_private_chat/handlers.py | main_handler | def main_handler(websocket, path):
"""
An Asyncio Task is created for every new websocket client connection
that is established. This coroutine listens to messages from the connected
client and routes the message to the proper queue.
This coroutine can be thought of as a producer.
"""
... | python | def main_handler(websocket, path):
"""
An Asyncio Task is created for every new websocket client connection
that is established. This coroutine listens to messages from the connected
client and routes the message to the proper queue.
This coroutine can be thought of as a producer.
"""
... | [
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230,407 | blockstack/blockstack-core | api/search/substring_search.py | anyword_substring_search_inner | def anyword_substring_search_inner(query_word, target_words):
""" return True if ANY target_word matches a query_word
"""
for target_word in target_words:
if(target_word.startswith(query_word)):
return query_word
return False | python | def anyword_substring_search_inner(query_word, target_words):
""" return True if ANY target_word matches a query_word
"""
for target_word in target_words:
if(target_word.startswith(query_word)):
return query_word
return False | [
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230,408 | blockstack/blockstack-core | api/search/substring_search.py | anyword_substring_search | def anyword_substring_search(target_words, query_words):
""" return True if all query_words match
"""
matches_required = len(query_words)
matches_found = 0
for query_word in query_words:
reply = anyword_substring_search_inner(query_word, target_words)
if reply is not False:
... | python | def anyword_substring_search(target_words, query_words):
""" return True if all query_words match
"""
matches_required = len(query_words)
matches_found = 0
for query_word in query_words:
reply = anyword_substring_search_inner(query_word, target_words)
if reply is not False:
... | [
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230,409 | blockstack/blockstack-core | api/search/substring_search.py | substring_search | def substring_search(query, list_of_strings, limit_results=DEFAULT_LIMIT):
""" main function to call for searching
"""
matching = []
query_words = query.split(' ')
# sort by longest word (higest probability of not finding a match)
query_words.sort(key=len, reverse=True)
counter = 0
... | python | def substring_search(query, list_of_strings, limit_results=DEFAULT_LIMIT):
""" main function to call for searching
"""
matching = []
query_words = query.split(' ')
# sort by longest word (higest probability of not finding a match)
query_words.sort(key=len, reverse=True)
counter = 0
... | [
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230,410 | blockstack/blockstack-core | api/search/substring_search.py | search_people_by_bio | def search_people_by_bio(query, limit_results=DEFAULT_LIMIT,
index=['onename_people_index']):
""" queries lucene index to find a nearest match, output is profile username
"""
from pyes import QueryStringQuery, ES
conn = ES()
q = QueryStringQuery(query,
... | python | def search_people_by_bio(query, limit_results=DEFAULT_LIMIT,
index=['onename_people_index']):
""" queries lucene index to find a nearest match, output is profile username
"""
from pyes import QueryStringQuery, ES
conn = ES()
q = QueryStringQuery(query,
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230,411 | blockstack/blockstack-core | api/search/substring_search.py | order_search_results | def order_search_results(query, search_results):
""" order of results should be a) query in first name, b) query in last name
"""
results = search_results
results_names = []
old_query = query
query = query.split(' ')
first_word = ''
second_word = ''
third_word = ''
if(len(que... | python | def order_search_results(query, search_results):
""" order of results should be a) query in first name, b) query in last name
"""
results = search_results
results_names = []
old_query = query
query = query.split(' ')
first_word = ''
second_word = ''
third_word = ''
if(len(que... | [
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230,412 | blockstack/blockstack-core | blockstack/lib/storage/auth.py | get_data_hash | def get_data_hash(data_txt):
"""
Generate a hash over data for immutable storage.
Return the hex string.
"""
h = hashlib.sha256()
h.update(data_txt)
return h.hexdigest() | python | def get_data_hash(data_txt):
"""
Generate a hash over data for immutable storage.
Return the hex string.
"""
h = hashlib.sha256()
h.update(data_txt)
return h.hexdigest() | [
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230,413 | blockstack/blockstack-core | blockstack/lib/storage/auth.py | verify_zonefile | def verify_zonefile( zonefile_str, value_hash ):
"""
Verify that a zonefile hashes to the given value hash
@zonefile_str must be the zonefile as a serialized string
"""
zonefile_hash = get_zonefile_data_hash( zonefile_str )
if zonefile_hash != value_hash:
log.debug("Zonefile hash mismatc... | python | def verify_zonefile( zonefile_str, value_hash ):
"""
Verify that a zonefile hashes to the given value hash
@zonefile_str must be the zonefile as a serialized string
"""
zonefile_hash = get_zonefile_data_hash( zonefile_str )
if zonefile_hash != value_hash:
log.debug("Zonefile hash mismatc... | [
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230,414 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_table_lock | def atlas_peer_table_lock():
"""
Lock the global health info table.
Return the table.
"""
global PEER_TABLE_LOCK, PEER_TABLE, PEER_TABLE_LOCK_HOLDER, PEER_TABLE_LOCK_TRACEBACK
if PEER_TABLE_LOCK_HOLDER is not None:
assert PEER_TABLE_LOCK_HOLDER != threading.current_thread(), "DEADLOCK"
... | python | def atlas_peer_table_lock():
"""
Lock the global health info table.
Return the table.
"""
global PEER_TABLE_LOCK, PEER_TABLE, PEER_TABLE_LOCK_HOLDER, PEER_TABLE_LOCK_TRACEBACK
if PEER_TABLE_LOCK_HOLDER is not None:
assert PEER_TABLE_LOCK_HOLDER != threading.current_thread(), "DEADLOCK"
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] | 1dcfdd39b152d29ce13e736a6a1a0981401a0505 | https://github.com/blockstack/blockstack-core/blob/1dcfdd39b152d29ce13e736a6a1a0981401a0505/blockstack/lib/atlas.py#L352-L368 |
230,415 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_table_unlock | def atlas_peer_table_unlock():
"""
Unlock the global health info table.
"""
global PEER_TABLE_LOCK, PEER_TABLE_LOCK_HOLDER, PEER_TABLE_LOCK_TRACEBACK
try:
assert PEER_TABLE_LOCK_HOLDER == threading.current_thread()
except:
log.error("Locked by %s, unlocked by %s" % (PEER_TAB... | python | def atlas_peer_table_unlock():
"""
Unlock the global health info table.
"""
global PEER_TABLE_LOCK, PEER_TABLE_LOCK_HOLDER, PEER_TABLE_LOCK_TRACEBACK
try:
assert PEER_TABLE_LOCK_HOLDER == threading.current_thread()
except:
log.error("Locked by %s, unlocked by %s" % (PEER_TAB... | [
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230,416 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_format_query | def atlasdb_format_query( query, values ):
"""
Turn a query into a string for printing.
Useful for debugging.
"""
return "".join( ["%s %s" % (frag, "'%s'" % val if type(val) in [str, unicode] else val) for (frag, val) in zip(query.split("?"), values + ("",))] ) | python | def atlasdb_format_query( query, values ):
"""
Turn a query into a string for printing.
Useful for debugging.
"""
return "".join( ["%s %s" % (frag, "'%s'" % val if type(val) in [str, unicode] else val) for (frag, val) in zip(query.split("?"), values + ("",))] ) | [
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230,417 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_open | def atlasdb_open( path ):
"""
Open the atlas db.
Return a connection.
Return None if it doesn't exist
"""
if not os.path.exists(path):
log.debug("Atlas DB doesn't exist at %s" % path)
return None
con = sqlite3.connect( path, isolation_level=None )
con.row_factory = atlas... | python | def atlasdb_open( path ):
"""
Open the atlas db.
Return a connection.
Return None if it doesn't exist
"""
if not os.path.exists(path):
log.debug("Atlas DB doesn't exist at %s" % path)
return None
con = sqlite3.connect( path, isolation_level=None )
con.row_factory = atlas... | [
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230,418 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_add_zonefile_info | def atlasdb_add_zonefile_info( name, zonefile_hash, txid, present, tried_storage, block_height, con=None, path=None ):
"""
Add a zonefile to the database.
Mark it as present or absent.
Keep our in-RAM inventory vector up-to-date
"""
global ZONEFILE_INV, NUM_ZONEFILES, ZONEFILE_INV_LOCK
with... | python | def atlasdb_add_zonefile_info( name, zonefile_hash, txid, present, tried_storage, block_height, con=None, path=None ):
"""
Add a zonefile to the database.
Mark it as present or absent.
Keep our in-RAM inventory vector up-to-date
"""
global ZONEFILE_INV, NUM_ZONEFILES, ZONEFILE_INV_LOCK
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230,419 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_get_lastblock | def atlasdb_get_lastblock( con=None, path=None ):
"""
Get the highest block height in the atlas db
"""
row = None
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "SELECT MAX(block_height) FROM zonefiles;"
args = ()
cur = dbcon.cursor()
res = atlasdb_query_execu... | python | def atlasdb_get_lastblock( con=None, path=None ):
"""
Get the highest block height in the atlas db
"""
row = None
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "SELECT MAX(block_height) FROM zonefiles;"
args = ()
cur = dbcon.cursor()
res = atlasdb_query_execu... | [
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230,420 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_get_zonefiles_missing_count_by_name | def atlasdb_get_zonefiles_missing_count_by_name(name, max_index=None, indexes_exclude=[], con=None, path=None):
"""
Get the number of missing zone files for a particular name, optionally up to a maximum
zonefile index and optionally omitting particular zone files in the count.
Returns an integer
"""... | python | def atlasdb_get_zonefiles_missing_count_by_name(name, max_index=None, indexes_exclude=[], con=None, path=None):
"""
Get the number of missing zone files for a particular name, optionally up to a maximum
zonefile index and optionally omitting particular zone files in the count.
Returns an integer
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230,421 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_get_zonefiles_by_hash | def atlasdb_get_zonefiles_by_hash(zonefile_hash, block_height=None, con=None, path=None):
"""
Find all instances of this zone file in the atlasdb.
Optionally filter on block height
Returns [{'name': ..., 'zonefile_hash': ..., 'txid': ..., 'inv_index': ..., 'block_height': ..., 'present': ..., 'tried_st... | python | def atlasdb_get_zonefiles_by_hash(zonefile_hash, block_height=None, con=None, path=None):
"""
Find all instances of this zone file in the atlasdb.
Optionally filter on block height
Returns [{'name': ..., 'zonefile_hash': ..., 'txid': ..., 'inv_index': ..., 'block_height': ..., 'present': ..., 'tried_st... | [
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230,422 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_set_zonefile_tried_storage | def atlasdb_set_zonefile_tried_storage( zonefile_hash, tried_storage, con=None, path=None ):
"""
Make a note that we tried to get the zonefile from storage
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
if tried_storage:
tried_storage = 1
else:
tried_storage =... | python | def atlasdb_set_zonefile_tried_storage( zonefile_hash, tried_storage, con=None, path=None ):
"""
Make a note that we tried to get the zonefile from storage
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
if tried_storage:
tried_storage = 1
else:
tried_storage =... | [
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230,423 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_reset_zonefile_tried_storage | def atlasdb_reset_zonefile_tried_storage( con=None, path=None ):
"""
For zonefiles that we don't have, re-attempt to fetch them from storage.
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "UPDATE zonefiles SET tried_storage = ? WHERE present = ?;"
args = (0, 0)
cur ... | python | def atlasdb_reset_zonefile_tried_storage( con=None, path=None ):
"""
For zonefiles that we don't have, re-attempt to fetch them from storage.
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "UPDATE zonefiles SET tried_storage = ? WHERE present = ?;"
args = (0, 0)
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230,424 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_cache_zonefile_info | def atlasdb_cache_zonefile_info( con=None, path=None ):
"""
Load up and cache our zonefile inventory from the database
"""
global ZONEFILE_INV, NUM_ZONEFILES, ZONEFILE_INV_LOCK
inv = None
with ZONEFILE_INV_LOCK:
inv_len = atlasdb_zonefile_inv_length( con=con, path=path )
inv... | python | def atlasdb_cache_zonefile_info( con=None, path=None ):
"""
Load up and cache our zonefile inventory from the database
"""
global ZONEFILE_INV, NUM_ZONEFILES, ZONEFILE_INV_LOCK
inv = None
with ZONEFILE_INV_LOCK:
inv_len = atlasdb_zonefile_inv_length( con=con, path=path )
inv... | [
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230,425 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_queue_zonefiles | def atlasdb_queue_zonefiles( con, db, start_block, zonefile_dir, recover=False, validate=True, end_block=None ):
"""
Queue all zonefile hashes in the BlockstackDB
to the zonefile queue
NOT THREAD SAFE
Returns the list of zonefile infos queued, and whether or not they are present.
"""
# pop... | python | def atlasdb_queue_zonefiles( con, db, start_block, zonefile_dir, recover=False, validate=True, end_block=None ):
"""
Queue all zonefile hashes in the BlockstackDB
to the zonefile queue
NOT THREAD SAFE
Returns the list of zonefile infos queued, and whether or not they are present.
"""
# pop... | [
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230,426 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_sync_zonefiles | def atlasdb_sync_zonefiles( db, start_block, zonefile_dir, atlas_state, validate=True, end_block=None, path=None, con=None ):
"""
Synchronize atlas DB with name db
NOT THREAD SAFE
"""
ret = None
with AtlasDBOpen(con=con, path=path) as dbcon:
ret = atlasdb_queue_zonefiles( dbcon, db, sta... | python | def atlasdb_sync_zonefiles( db, start_block, zonefile_dir, atlas_state, validate=True, end_block=None, path=None, con=None ):
"""
Synchronize atlas DB with name db
NOT THREAD SAFE
"""
ret = None
with AtlasDBOpen(con=con, path=path) as dbcon:
ret = atlasdb_queue_zonefiles( dbcon, db, sta... | [
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230,427 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_add_peer | def atlasdb_add_peer( peer_hostport, discovery_time=None, peer_table=None, con=None, path=None, ping_on_evict=True ):
"""
Add a peer to the peer table.
If the peer conflicts with another peer, ping it first, and only insert
the new peer if the old peer is dead.
Keep the in-RAM peer table cache-cohe... | python | def atlasdb_add_peer( peer_hostport, discovery_time=None, peer_table=None, con=None, path=None, ping_on_evict=True ):
"""
Add a peer to the peer table.
If the peer conflicts with another peer, ping it first, and only insert
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230,428 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_num_peers | def atlasdb_num_peers( con=None, path=None ):
"""
How many peers are there in the db?
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "SELECT MAX(peer_index) FROM peers;"
args = ()
cur = dbcon.cursor()
res = atlasdb_query_execute( cur, sql, args )
ret ... | python | def atlasdb_num_peers( con=None, path=None ):
"""
How many peers are there in the db?
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "SELECT MAX(peer_index) FROM peers;"
args = ()
cur = dbcon.cursor()
res = atlasdb_query_execute( cur, sql, args )
ret ... | [
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230,429 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_get_peer | def atlas_get_peer( peer_hostport, peer_table=None ):
"""
Get the given peer's info
"""
ret = None
with AtlasPeerTableLocked(peer_table) as ptbl:
ret = ptbl.get(peer_hostport, None)
return ret | python | def atlas_get_peer( peer_hostport, peer_table=None ):
"""
Get the given peer's info
"""
ret = None
with AtlasPeerTableLocked(peer_table) as ptbl:
ret = ptbl.get(peer_hostport, None)
return ret | [
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230,430 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_get_random_peer | def atlasdb_get_random_peer( con=None, path=None ):
"""
Select a peer from the db at random
Return None if the table is empty
"""
ret = {}
with AtlasDBOpen(con=con, path=path) as dbcon:
num_peers = atlasdb_num_peers( con=con, path=path )
if num_peers is None or num_peers == 0:
... | python | def atlasdb_get_random_peer( con=None, path=None ):
"""
Select a peer from the db at random
Return None if the table is empty
"""
ret = {}
with AtlasDBOpen(con=con, path=path) as dbcon:
num_peers = atlasdb_num_peers( con=con, path=path )
if num_peers is None or num_peers == 0:
... | [
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230,431 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_get_old_peers | def atlasdb_get_old_peers( now, con=None, path=None ):
"""
Get peers older than now - PEER_LIFETIME
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
if now is None:
now = time.time()
expire = now - atlas_peer_max_age()
sql = "SELECT * FROM peers WHERE discovery_ti... | python | def atlasdb_get_old_peers( now, con=None, path=None ):
"""
Get peers older than now - PEER_LIFETIME
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
if now is None:
now = time.time()
expire = now - atlas_peer_max_age()
sql = "SELECT * FROM peers WHERE discovery_ti... | [
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230,432 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_renew_peer | def atlasdb_renew_peer( peer_hostport, now, con=None, path=None ):
"""
Renew a peer's discovery time
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
if now is None:
now = time.time()
sql = "UPDATE peers SET discovery_time = ? WHERE peer_hostport = ?;"
args = (now,... | python | def atlasdb_renew_peer( peer_hostport, now, con=None, path=None ):
"""
Renew a peer's discovery time
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
if now is None:
now = time.time()
sql = "UPDATE peers SET discovery_time = ? WHERE peer_hostport = ?;"
args = (now,... | [
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230,433 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_load_peer_table | def atlasdb_load_peer_table( con=None, path=None ):
"""
Create a peer table from the peer DB
"""
peer_table = {}
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "SELECT * FROM peers;"
args = ()
cur = dbcon.cursor()
res = atlasdb_query_execute( cur, sql, ar... | python | def atlasdb_load_peer_table( con=None, path=None ):
"""
Create a peer table from the peer DB
"""
peer_table = {}
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "SELECT * FROM peers;"
args = ()
cur = dbcon.cursor()
res = atlasdb_query_execute( cur, sql, ar... | [
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230,434 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlasdb_zonefile_inv_list | def atlasdb_zonefile_inv_list( bit_offset, bit_length, con=None, path=None ):
"""
Get an inventory listing.
offset and length are in bits.
Return the list of zonefile information.
The list may be less than length elements.
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "S... | python | def atlasdb_zonefile_inv_list( bit_offset, bit_length, con=None, path=None ):
"""
Get an inventory listing.
offset and length are in bits.
Return the list of zonefile information.
The list may be less than length elements.
"""
with AtlasDBOpen(con=con, path=path) as dbcon:
sql = "S... | [
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230,435 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_init_peer_info | def atlas_init_peer_info( peer_table, peer_hostport, blacklisted=False, whitelisted=False ):
"""
Initialize peer info table entry
"""
peer_table[peer_hostport] = {
"time": [],
"zonefile_inv": "",
"blacklisted": blacklisted,
"whitelisted": whitelisted
} | python | def atlas_init_peer_info( peer_table, peer_hostport, blacklisted=False, whitelisted=False ):
"""
Initialize peer info table entry
"""
peer_table[peer_hostport] = {
"time": [],
"zonefile_inv": "",
"blacklisted": blacklisted,
"whitelisted": whitelisted
} | [
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230,436 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_log_socket_error | def atlas_log_socket_error( method_invocation, peer_hostport, se ):
"""
Log a socket exception tastefully
"""
if isinstance( se, socket.timeout ):
log.debug("%s %s: timed out (socket.timeout)" % (method_invocation, peer_hostport))
elif isinstance( se, socket.gaierror ):
log.debug("%... | python | def atlas_log_socket_error( method_invocation, peer_hostport, se ):
"""
Log a socket exception tastefully
"""
if isinstance( se, socket.timeout ):
log.debug("%s %s: timed out (socket.timeout)" % (method_invocation, peer_hostport))
elif isinstance( se, socket.gaierror ):
log.debug("%... | [
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230,437 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_ping | def atlas_peer_ping( peer_hostport, timeout=None, peer_table=None ):
"""
Ping a host
Return True if alive
Return False if not
"""
if timeout is None:
timeout = atlas_ping_timeout()
assert not atlas_peer_table_is_locked_by_me()
host, port = url_to_host_port( peer_hostport )... | python | def atlas_peer_ping( peer_hostport, timeout=None, peer_table=None ):
"""
Ping a host
Return True if alive
Return False if not
"""
if timeout is None:
timeout = atlas_ping_timeout()
assert not atlas_peer_table_is_locked_by_me()
host, port = url_to_host_port( peer_hostport )... | [
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230,438 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_inventory_count_missing | def atlas_inventory_count_missing( inv1, inv2 ):
"""
Find out how many bits are set in inv2
that are not set in inv1.
"""
count = 0
common = min(len(inv1), len(inv2))
for i in xrange(0, common):
for j in xrange(0, 8):
if ((1 << (7 - j)) & ord(inv2[i])) != 0 and ((1 << (7... | python | def atlas_inventory_count_missing( inv1, inv2 ):
"""
Find out how many bits are set in inv2
that are not set in inv1.
"""
count = 0
common = min(len(inv1), len(inv2))
for i in xrange(0, common):
for j in xrange(0, 8):
if ((1 << (7 - j)) & ord(inv2[i])) != 0 and ((1 << (7... | [
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230,439 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_revalidate_peers | def atlas_revalidate_peers( con=None, path=None, now=None, peer_table=None ):
"""
Revalidate peers that are older than the maximum peer age.
Ping them, and if they don't respond, remove them.
"""
global MIN_PEER_HEALTH
if now is None:
now = time_now()
old_peer_infos = atlasdb_get_o... | python | def atlas_revalidate_peers( con=None, path=None, now=None, peer_table=None ):
"""
Revalidate peers that are older than the maximum peer age.
Ping them, and if they don't respond, remove them.
"""
global MIN_PEER_HEALTH
if now is None:
now = time_now()
old_peer_infos = atlasdb_get_o... | [
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230,440 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_get_request_count | def atlas_peer_get_request_count( peer_hostport, peer_table=None ):
"""
How many times have we contacted this peer?
"""
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return 0
count = 0
for (t, r) in ptbl[peer_hostport]['time']:
... | python | def atlas_peer_get_request_count( peer_hostport, peer_table=None ):
"""
How many times have we contacted this peer?
"""
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return 0
count = 0
for (t, r) in ptbl[peer_hostport]['time']:
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230,441 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_get_zonefile_inventory | def atlas_peer_get_zonefile_inventory( peer_hostport, peer_table=None ):
"""
What's the zonefile inventory vector for this peer?
Return None if not defined
"""
inv = None
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return None
... | python | def atlas_peer_get_zonefile_inventory( peer_hostport, peer_table=None ):
"""
What's the zonefile inventory vector for this peer?
Return None if not defined
"""
inv = None
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return None
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230,442 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_set_zonefile_inventory | def atlas_peer_set_zonefile_inventory( peer_hostport, peer_inv, peer_table=None ):
"""
Set this peer's zonefile inventory
"""
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return None
ptbl[peer_hostport]['zonefile_inv'] = peer_inv
... | python | def atlas_peer_set_zonefile_inventory( peer_hostport, peer_inv, peer_table=None ):
"""
Set this peer's zonefile inventory
"""
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return None
ptbl[peer_hostport]['zonefile_inv'] = peer_inv
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230,443 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_is_whitelisted | def atlas_peer_is_whitelisted( peer_hostport, peer_table=None ):
"""
Is a peer whitelisted
"""
ret = None
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return None
ret = ptbl[peer_hostport].get("whitelisted", False)
return ret | python | def atlas_peer_is_whitelisted( peer_hostport, peer_table=None ):
"""
Is a peer whitelisted
"""
ret = None
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return None
ret = ptbl[peer_hostport].get("whitelisted", False)
return ret | [
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230,444 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_update_health | def atlas_peer_update_health( peer_hostport, received_response, peer_table=None ):
"""
Mark the given peer as alive at this time.
Update times at which we contacted it,
and update its health score.
Use the global health table by default,
or use the given health info if set.
"""
with A... | python | def atlas_peer_update_health( peer_hostport, received_response, peer_table=None ):
"""
Mark the given peer as alive at this time.
Update times at which we contacted it,
and update its health score.
Use the global health table by default,
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230,445 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_download_zonefile_inventory | def atlas_peer_download_zonefile_inventory( my_hostport, peer_hostport, maxlen, bit_offset=0, timeout=None, peer_table={} ):
"""
Get the zonefile inventory from the remote peer
Start from the given bit_offset
NOTE: this doesn't update the peer table health by default;
you'll have to explicitly pass... | python | def atlas_peer_download_zonefile_inventory( my_hostport, peer_hostport, maxlen, bit_offset=0, timeout=None, peer_table={} ):
"""
Get the zonefile inventory from the remote peer
Start from the given bit_offset
NOTE: this doesn't update the peer table health by default;
you'll have to explicitly pass... | [
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230,446 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_sync_zonefile_inventory | def atlas_peer_sync_zonefile_inventory( my_hostport, peer_hostport, maxlen, timeout=None, peer_table=None ):
"""
Synchronize our knowledge of a peer's zonefiles up to a given byte length
NOT THREAD SAFE; CALL FROM ONLY ONE THREAD.
maxlen is the maximum length in bits of the expected zonefile.
Retu... | python | def atlas_peer_sync_zonefile_inventory( my_hostport, peer_hostport, maxlen, timeout=None, peer_table=None ):
"""
Synchronize our knowledge of a peer's zonefiles up to a given byte length
NOT THREAD SAFE; CALL FROM ONLY ONE THREAD.
maxlen is the maximum length in bits of the expected zonefile.
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230,447 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_refresh_zonefile_inventory | def atlas_peer_refresh_zonefile_inventory( my_hostport, peer_hostport, byte_offset, timeout=None, peer_table=None, con=None, path=None, local_inv=None ):
"""
Refresh a peer's zonefile recent inventory vector entries,
by removing every bit after byte_offset and re-synchronizing them.
The intuition here ... | python | def atlas_peer_refresh_zonefile_inventory( my_hostport, peer_hostport, byte_offset, timeout=None, peer_table=None, con=None, path=None, local_inv=None ):
"""
Refresh a peer's zonefile recent inventory vector entries,
by removing every bit after byte_offset and re-synchronizing them.
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230,448 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_has_fresh_zonefile_inventory | def atlas_peer_has_fresh_zonefile_inventory( peer_hostport, peer_table=None ):
"""
Does the given atlas node have a fresh zonefile inventory?
"""
fresh = False
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return False
now = time_no... | python | def atlas_peer_has_fresh_zonefile_inventory( peer_hostport, peer_table=None ):
"""
Does the given atlas node have a fresh zonefile inventory?
"""
fresh = False
with AtlasPeerTableLocked(peer_table) as ptbl:
if peer_hostport not in ptbl.keys():
return False
now = time_no... | [
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230,449 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_find_missing_zonefile_availability | def atlas_find_missing_zonefile_availability( peer_table=None, con=None, path=None, missing_zonefile_info=None ):
"""
Find the set of missing zonefiles, as well as their popularity amongst
our neighbors.
Only consider zonefiles that are known by at least
one peer; otherwise they're missing from
... | python | def atlas_find_missing_zonefile_availability( peer_table=None, con=None, path=None, missing_zonefile_info=None ):
"""
Find the set of missing zonefiles, as well as their popularity amongst
our neighbors.
Only consider zonefiles that are known by at least
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230,450 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_has_zonefile | def atlas_peer_has_zonefile( peer_hostport, zonefile_hash, zonefile_bits=None, con=None, path=None, peer_table=None ):
"""
Does the given peer have the given zonefile defined?
Check its inventory vector
Return True if present
Return False if not present
Return None if we don't know about the zo... | python | def atlas_peer_has_zonefile( peer_hostport, zonefile_hash, zonefile_bits=None, con=None, path=None, peer_table=None ):
"""
Does the given peer have the given zonefile defined?
Check its inventory vector
Return True if present
Return False if not present
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230,451 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_get_neighbors | def atlas_peer_get_neighbors( my_hostport, peer_hostport, timeout=None, peer_table=None, con=None, path=None ):
"""
Ask the peer server at the given URL for its neighbors.
Update the health info in peer_table
(if not given, the global peer table will be used instead)
Return the list on success
... | python | def atlas_peer_get_neighbors( my_hostport, peer_hostport, timeout=None, peer_table=None, con=None, path=None ):
"""
Ask the peer server at the given URL for its neighbors.
Update the health info in peer_table
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Return the list on success
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230,452 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_get_zonefiles | def atlas_get_zonefiles( my_hostport, peer_hostport, zonefile_hashes, timeout=None, peer_table=None ):
"""
Given a list of zonefile hashes.
go and get them from the given host.
Update node health
Return the newly-fetched zonefiles on success (as a dict mapping hashes to zonefile data)
Return N... | python | def atlas_get_zonefiles( my_hostport, peer_hostport, zonefile_hashes, timeout=None, peer_table=None ):
"""
Given a list of zonefile hashes.
go and get them from the given host.
Update node health
Return the newly-fetched zonefiles on success (as a dict mapping hashes to zonefile data)
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230,453 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_rank_peers_by_data_availability | def atlas_rank_peers_by_data_availability( peer_list=None, peer_table=None, local_inv=None, con=None, path=None ):
"""
Get a ranking of peers to contact for a zonefile.
Peers are ranked by the number of zonefiles they have
which we don't have.
This is used to select neighbors.
"""
with Atl... | python | def atlas_rank_peers_by_data_availability( peer_list=None, peer_table=None, local_inv=None, con=None, path=None ):
"""
Get a ranking of peers to contact for a zonefile.
Peers are ranked by the number of zonefiles they have
which we don't have.
This is used to select neighbors.
"""
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230,454 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_peer_dequeue_all | def atlas_peer_dequeue_all( peer_queue=None ):
"""
Get all queued peers
"""
peers = []
with AtlasPeerQueueLocked(peer_queue) as pq:
while len(pq) > 0:
peers.append( pq.pop(0) )
return peers | python | def atlas_peer_dequeue_all( peer_queue=None ):
"""
Get all queued peers
"""
peers = []
with AtlasPeerQueueLocked(peer_queue) as pq:
while len(pq) > 0:
peers.append( pq.pop(0) )
return peers | [
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230,455 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_zonefile_push_enqueue | def atlas_zonefile_push_enqueue( zonefile_hash, name, txid, zonefile_data, zonefile_queue=None, con=None, path=None ):
"""
Enqueue the given zonefile into our "push" queue,
from which it will be replicated to storage and sent
out to other peers who don't have it.
Return True if we enqueued it
R... | python | def atlas_zonefile_push_enqueue( zonefile_hash, name, txid, zonefile_data, zonefile_queue=None, con=None, path=None ):
"""
Enqueue the given zonefile into our "push" queue,
from which it will be replicated to storage and sent
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Return True if we enqueued it
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230,456 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_zonefile_push_dequeue | def atlas_zonefile_push_dequeue( zonefile_queue=None ):
"""
Dequeue a zonefile's information to replicate
Return None if there are none queued
"""
ret = None
with AtlasZonefileQueueLocked(zonefile_queue) as zfq:
if len(zfq) > 0:
ret = zfq.pop(0)
return ret | python | def atlas_zonefile_push_dequeue( zonefile_queue=None ):
"""
Dequeue a zonefile's information to replicate
Return None if there are none queued
"""
ret = None
with AtlasZonefileQueueLocked(zonefile_queue) as zfq:
if len(zfq) > 0:
ret = zfq.pop(0)
return ret | [
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230,457 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_zonefile_push | def atlas_zonefile_push( my_hostport, peer_hostport, zonefile_data, timeout=None, peer_table=None ):
"""
Push the given zonefile to the given peer
Return True on success
Return False on failure
"""
if timeout is None:
timeout = atlas_push_zonefiles_timeout()
zonefile_hash = get_z... | python | def atlas_zonefile_push( my_hostport, peer_hostport, zonefile_data, timeout=None, peer_table=None ):
"""
Push the given zonefile to the given peer
Return True on success
Return False on failure
"""
if timeout is None:
timeout = atlas_push_zonefiles_timeout()
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230,458 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_node_init | def atlas_node_init(my_hostname, my_portnum, atlasdb_path, zonefile_dir, working_dir):
"""
Start up the atlas node.
Return a bundle of atlas state
"""
atlas_state = {}
atlas_state['peer_crawler'] = AtlasPeerCrawler(my_hostname, my_portnum, atlasdb_path, working_dir)
atlas_state['health_check... | python | def atlas_node_init(my_hostname, my_portnum, atlasdb_path, zonefile_dir, working_dir):
"""
Start up the atlas node.
Return a bundle of atlas state
"""
atlas_state = {}
atlas_state['peer_crawler'] = AtlasPeerCrawler(my_hostname, my_portnum, atlasdb_path, working_dir)
atlas_state['health_check... | [
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230,459 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_node_start | def atlas_node_start(atlas_state):
"""
Start up atlas threads
"""
for component in atlas_state.keys():
log.debug("Starting Atlas component '%s'" % component)
atlas_state[component].start() | python | def atlas_node_start(atlas_state):
"""
Start up atlas threads
"""
for component in atlas_state.keys():
log.debug("Starting Atlas component '%s'" % component)
atlas_state[component].start() | [
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230,460 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_node_add_callback | def atlas_node_add_callback(atlas_state, callback_name, callback):
"""
Add a callback to the initialized atlas state
"""
if callback_name == 'store_zonefile':
atlas_state['zonefile_crawler'].set_store_zonefile_callback(callback)
else:
raise ValueError("Unrecognized callback {}".form... | python | def atlas_node_add_callback(atlas_state, callback_name, callback):
"""
Add a callback to the initialized atlas state
"""
if callback_name == 'store_zonefile':
atlas_state['zonefile_crawler'].set_store_zonefile_callback(callback)
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230,461 | blockstack/blockstack-core | blockstack/lib/atlas.py | atlas_node_stop | def atlas_node_stop( atlas_state ):
"""
Stop the atlas node threads
"""
for component in atlas_state.keys():
log.debug("Stopping Atlas component '%s'" % component)
atlas_state[component].ask_join()
atlas_state[component].join()
return True | python | def atlas_node_stop( atlas_state ):
"""
Stop the atlas node threads
"""
for component in atlas_state.keys():
log.debug("Stopping Atlas component '%s'" % component)
atlas_state[component].ask_join()
atlas_state[component].join()
return True | [
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230,462 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasPeerCrawler.canonical_peer | def canonical_peer( self, peer ):
"""
Get the canonical peer name
"""
their_host, their_port = url_to_host_port( peer )
if their_host in ['127.0.0.1', '::1']:
their_host = 'localhost'
return "%s:%s" % (their_host, their_port) | python | def canonical_peer( self, peer ):
"""
Get the canonical peer name
"""
their_host, their_port = url_to_host_port( peer )
if their_host in ['127.0.0.1', '::1']:
their_host = 'localhost'
return "%s:%s" % (their_host, their_port) | [
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230,463 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasPeerCrawler.remove_unhealthy_peers | def remove_unhealthy_peers( self, count, con=None, path=None, peer_table=None, min_request_count=10, min_health=MIN_PEER_HEALTH ):
"""
Remove up to @count unhealthy peers
Return the list of peers we removed
"""
if path is None:
path = self.atlasdb_path
... | python | def remove_unhealthy_peers( self, count, con=None, path=None, peer_table=None, min_request_count=10, min_health=MIN_PEER_HEALTH ):
"""
Remove up to @count unhealthy peers
Return the list of peers we removed
"""
if path is None:
path = self.atlasdb_path
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230,464 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasPeerCrawler.get_current_peers | def get_current_peers( self, peer_table=None ):
"""
Get the current set of peers
"""
# get current peers
current_peers = None
with AtlasPeerTableLocked(peer_table) as ptbl:
current_peers = ptbl.keys()[:]
return current_peers | python | def get_current_peers( self, peer_table=None ):
"""
Get the current set of peers
"""
# get current peers
current_peers = None
with AtlasPeerTableLocked(peer_table) as ptbl:
current_peers = ptbl.keys()[:]
return current_peers | [
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230,465 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasPeerCrawler.canonical_new_peer_list | def canonical_new_peer_list( self, peers_to_add ):
"""
Make a list of canonical new peers, using the
self.new_peers and the given peers to add
Return a shuffled list of canonicalized host:port
strings.
"""
new_peers = list(set(self.new_peers + peers_to_add))
... | python | def canonical_new_peer_list( self, peers_to_add ):
"""
Make a list of canonical new peers, using the
self.new_peers and the given peers to add
Return a shuffled list of canonicalized host:port
strings.
"""
new_peers = list(set(self.new_peers + peers_to_add))
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230,466 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasHealthChecker.step | def step(self, con=None, path=None, peer_table=None, local_inv=None):
"""
Find peers with stale zonefile inventory data,
and refresh them.
Return True on success
Return False on error
"""
if path is None:
path = self.atlasdb_path
peer_hostpor... | python | def step(self, con=None, path=None, peer_table=None, local_inv=None):
"""
Find peers with stale zonefile inventory data,
and refresh them.
Return True on success
Return False on error
"""
if path is None:
path = self.atlasdb_path
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230,467 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasHealthChecker.run | def run(self, peer_table=None):
"""
Loop forever, pinging someone every pass.
"""
self.running = True
while self.running:
local_inv = atlas_get_zonefile_inventory()
t1 = time_now()
self.step( peer_table=peer_table, local_inv=local_inv, path=sel... | python | def run(self, peer_table=None):
"""
Loop forever, pinging someone every pass.
"""
self.running = True
while self.running:
local_inv = atlas_get_zonefile_inventory()
t1 = time_now()
self.step( peer_table=peer_table, local_inv=local_inv, path=sel... | [
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230,468 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasZonefileCrawler.set_zonefile_present | def set_zonefile_present(self, zfhash, block_height, con=None, path=None):
"""
Set a zonefile as present, and if it was previously absent, inform the storage listener
"""
was_present = atlasdb_set_zonefile_present( zfhash, True, con=con, path=path )
# tell anyone who cares that ... | python | def set_zonefile_present(self, zfhash, block_height, con=None, path=None):
"""
Set a zonefile as present, and if it was previously absent, inform the storage listener
"""
was_present = atlasdb_set_zonefile_present( zfhash, True, con=con, path=path )
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230,469 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasZonefileCrawler.find_zonefile_origins | def find_zonefile_origins( self, missing_zfinfo, peer_hostports ):
"""
Find out which peers can serve which zonefiles
"""
zonefile_origins = {} # map peer hostport to list of zonefile hashes
# which peers can serve each zonefile?
for zfhash in missing_zfinfo.keys():
... | python | def find_zonefile_origins( self, missing_zfinfo, peer_hostports ):
"""
Find out which peers can serve which zonefiles
"""
zonefile_origins = {} # map peer hostport to list of zonefile hashes
# which peers can serve each zonefile?
for zfhash in missing_zfinfo.keys():
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230,470 | blockstack/blockstack-core | blockstack/lib/atlas.py | AtlasZonefilePusher.step | def step( self, peer_table=None, zonefile_queue=None, path=None ):
"""
Run one step of this algorithm.
Push the zonefile to all the peers that need it.
Return the number of peers we sent to
"""
if path is None:
path = self.atlasdb_path
if BLOCKSTACK_T... | python | def step( self, peer_table=None, zonefile_queue=None, path=None ):
"""
Run one step of this algorithm.
Push the zonefile to all the peers that need it.
Return the number of peers we sent to
"""
if path is None:
path = self.atlasdb_path
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230,471 | blockstack/blockstack-core | blockstack/lib/queue.py | queuedb_create | def queuedb_create(path):
"""
Create a sqlite3 db at the given path.
Create all the tables and indexes we need.
Raises if the table already exists
"""
global QUEUE_SQL, ERROR_SQL
lines = [l + ";" for l in QUEUE_SQL.split(";")]
con = sqlite3.connect( path, isolation_level=None )
db_... | python | def queuedb_create(path):
"""
Create a sqlite3 db at the given path.
Create all the tables and indexes we need.
Raises if the table already exists
"""
global QUEUE_SQL, ERROR_SQL
lines = [l + ";" for l in QUEUE_SQL.split(";")]
con = sqlite3.connect( path, isolation_level=None )
db_... | [
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230,472 | blockstack/blockstack-core | blockstack/lib/queue.py | queuedb_row_factory | def queuedb_row_factory(cursor, row):
"""
Dict row factory
"""
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d | python | def queuedb_row_factory(cursor, row):
"""
Dict row factory
"""
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d | [
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230,473 | blockstack/blockstack-core | blockstack/lib/queue.py | queuedb_findall | def queuedb_findall(path, queue_id, name=None, offset=None, limit=None):
"""
Get all queued entries for a queue and a name.
If name is None, then find all queue entries
Return the rows on success (empty list if not found)
Raise on error
"""
sql = "SELECT * FROM queue WHERE queue_id = ? ORDE... | python | def queuedb_findall(path, queue_id, name=None, offset=None, limit=None):
"""
Get all queued entries for a queue and a name.
If name is None, then find all queue entries
Return the rows on success (empty list if not found)
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"""
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230,474 | blockstack/blockstack-core | blockstack/lib/queue.py | queuedb_append | def queuedb_append(path, queue_id, name, data):
"""
Append an element to the back of the queue.
Return True on success
Raise on error
"""
sql = "INSERT INTO queue VALUES (?,?,?);"
args = (name, queue_id, data)
db = queuedb_open(path)
if db is None:
raise Exception("Failed to... | python | def queuedb_append(path, queue_id, name, data):
"""
Append an element to the back of the queue.
Return True on success
Raise on error
"""
sql = "INSERT INTO queue VALUES (?,?,?);"
args = (name, queue_id, data)
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230,475 | blockstack/blockstack-core | blockstack/lib/queue.py | queuedb_remove | def queuedb_remove(path, entry, cur=None):
"""
Remove an element from a queue.
Return True on success
Raise on error
"""
sql = "DELETE FROM queue WHERE queue_id = ? AND name = ?;"
args = (entry['queue_id'], entry['name'])
cursor = None
if cur:
cursor = cur
else:
... | python | def queuedb_remove(path, entry, cur=None):
"""
Remove an element from a queue.
Return True on success
Raise on error
"""
sql = "DELETE FROM queue WHERE queue_id = ? AND name = ?;"
args = (entry['queue_id'], entry['name'])
cursor = None
if cur:
cursor = cur
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230,476 | blockstack/blockstack-core | blockstack/lib/queue.py | queuedb_removeall | def queuedb_removeall(path, entries):
"""
Remove all entries from a queue
"""
db = queuedb_open(path)
if db is None:
raise Exception("Failed to open %s" % path)
cursor = db.cursor()
queuedb_query_execute(cursor, 'BEGIN', ())
for entry in entries:
queuedb_remove(path, en... | python | def queuedb_removeall(path, entries):
"""
Remove all entries from a queue
"""
db = queuedb_open(path)
if db is None:
raise Exception("Failed to open %s" % path)
cursor = db.cursor()
queuedb_query_execute(cursor, 'BEGIN', ())
for entry in entries:
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230,477 | blockstack/blockstack-core | blockstack/lib/operations/register.py | check_payment_in_stacks | def check_payment_in_stacks(state_engine, nameop, state_op_type, fee_block_id):
"""
Verify that if tokens were paid for a name priced in BTC, that enough were paid.
Does not check account balances or namespace types; it only inspects the transaction data.
Returns {'status': True, 'tokens_paid': ..., 't... | python | def check_payment_in_stacks(state_engine, nameop, state_op_type, fee_block_id):
"""
Verify that if tokens were paid for a name priced in BTC, that enough were paid.
Does not check account balances or namespace types; it only inspects the transaction data.
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230,478 | blockstack/blockstack-core | blockstack/lib/operations/register.py | check_payment | def check_payment(state_engine, state_op_type, nameop, fee_block_id, token_address, burn_address, name_fee, block_id):
"""
Verify that the right payment was made, in the right cryptocurrency units.
Does not check any accounts or modify the nameop in any way; it only checks that the name was paid for by the ... | python | def check_payment(state_engine, state_op_type, nameop, fee_block_id, token_address, burn_address, name_fee, block_id):
"""
Verify that the right payment was made, in the right cryptocurrency units.
Does not check any accounts or modify the nameop in any way; it only checks that the name was paid for by the ... | [
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230,479 | blockstack/blockstack-core | blockstack/lib/operations/namespacepreorder.py | check | def check( state_engine, nameop, block_id, checked_ops ):
"""
Given a NAMESPACE_PREORDER nameop, see if we can preorder it.
It must be unqiue.
Return True if accepted.
Return False if not.
"""
namespace_id_hash = nameop['preorder_hash']
consensus_hash = nameop['consensus_hash']
tok... | python | def check( state_engine, nameop, block_id, checked_ops ):
"""
Given a NAMESPACE_PREORDER nameop, see if we can preorder it.
It must be unqiue.
Return True if accepted.
Return False if not.
"""
namespace_id_hash = nameop['preorder_hash']
consensus_hash = nameop['consensus_hash']
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230,480 | blockstack/blockstack-core | blockstack/lib/fast_sync.py | snapshot_peek_number | def snapshot_peek_number( fd, off ):
"""
Read the last 8 bytes of fd
and interpret it as an int.
"""
# read number of 8 bytes
fd.seek( off - 8, os.SEEK_SET )
value_hex = fd.read(8)
if len(value_hex) != 8:
return None
try:
value = int(value_hex, 16)
except ValueEr... | python | def snapshot_peek_number( fd, off ):
"""
Read the last 8 bytes of fd
and interpret it as an int.
"""
# read number of 8 bytes
fd.seek( off - 8, os.SEEK_SET )
value_hex = fd.read(8)
if len(value_hex) != 8:
return None
try:
value = int(value_hex, 16)
except ValueEr... | [
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230,481 | blockstack/blockstack-core | blockstack/lib/fast_sync.py | get_file_hash | def get_file_hash( fd, hashfunc, fd_len=None ):
"""
Get the hex-encoded hash of the fd's data
"""
h = hashfunc()
fd.seek(0, os.SEEK_SET)
count = 0
while True:
buf = fd.read(65536)
if len(buf) == 0:
break
if fd_len is not None:
if count + len... | python | def get_file_hash( fd, hashfunc, fd_len=None ):
"""
Get the hex-encoded hash of the fd's data
"""
h = hashfunc()
fd.seek(0, os.SEEK_SET)
count = 0
while True:
buf = fd.read(65536)
if len(buf) == 0:
break
if fd_len is not None:
if count + len... | [
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230,482 | blockstack/blockstack-core | blockstack/lib/fast_sync.py | fast_sync_sign_snapshot | def fast_sync_sign_snapshot( snapshot_path, private_key, first=False ):
"""
Append a signature to the end of a snapshot path
with the given private key.
If first is True, then don't expect the signature trailer.
Return True on success
Return False on error
"""
if not os.path.exists... | python | def fast_sync_sign_snapshot( snapshot_path, private_key, first=False ):
"""
Append a signature to the end of a snapshot path
with the given private key.
If first is True, then don't expect the signature trailer.
Return True on success
Return False on error
"""
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230,483 | blockstack/blockstack-core | blockstack/lib/fast_sync.py | fast_sync_snapshot_compress | def fast_sync_snapshot_compress( snapshot_dir, export_path ):
"""
Given the path to a directory, compress it and export it to the
given path.
Return {'status': True} on success
Return {'error': ...} on failure
"""
snapshot_dir = os.path.abspath(snapshot_dir)
export_path = os.path.abspa... | python | def fast_sync_snapshot_compress( snapshot_dir, export_path ):
"""
Given the path to a directory, compress it and export it to the
given path.
Return {'status': True} on success
Return {'error': ...} on failure
"""
snapshot_dir = os.path.abspath(snapshot_dir)
export_path = os.path.abspa... | [
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230,484 | blockstack/blockstack-core | blockstack/lib/fast_sync.py | fast_sync_snapshot_decompress | def fast_sync_snapshot_decompress( snapshot_path, output_dir ):
"""
Given the path to a snapshot file, decompress it and
write its contents to the given output directory
Return {'status': True} on success
Return {'error': ...} on failure
"""
if not tarfile.is_tarfile(snapshot_path):
... | python | def fast_sync_snapshot_decompress( snapshot_path, output_dir ):
"""
Given the path to a snapshot file, decompress it and
write its contents to the given output directory
Return {'status': True} on success
Return {'error': ...} on failure
"""
if not tarfile.is_tarfile(snapshot_path):
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230,485 | blockstack/blockstack-core | blockstack/lib/fast_sync.py | fast_sync_fetch | def fast_sync_fetch(working_dir, import_url):
"""
Get the data for an import snapshot.
Store it to a temporary path
Return the path on success
Return None on error
"""
try:
fd, tmppath = tempfile.mkstemp(prefix='.blockstack-fast-sync-', dir=working_dir)
except Exception, e:
... | python | def fast_sync_fetch(working_dir, import_url):
"""
Get the data for an import snapshot.
Store it to a temporary path
Return the path on success
Return None on error
"""
try:
fd, tmppath = tempfile.mkstemp(prefix='.blockstack-fast-sync-', dir=working_dir)
except Exception, e:
... | [
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230,486 | blockstack/blockstack-core | blockstack/lib/nameset/__init__.py | state_check_collisions | def state_check_collisions( state_engine, nameop, history_id_key, block_id, checked_ops, collision_checker ):
"""
See that there are no state-creating or state-preordering collisions at this block, for this history ID.
Return True if collided; False if not
"""
# verify no collisions against already... | python | def state_check_collisions( state_engine, nameop, history_id_key, block_id, checked_ops, collision_checker ):
"""
See that there are no state-creating or state-preordering collisions at this block, for this history ID.
Return True if collided; False if not
"""
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230,487 | blockstack/blockstack-core | blockstack/lib/nameset/__init__.py | state_create_is_valid | def state_create_is_valid( nameop ):
"""
Is a nameop a valid state-preorder operation?
"""
assert '__state_create__' in nameop, "Not tagged with @state_create"
assert nameop['__state_create__'], "BUG: tagged False by @state_create"
assert '__preorder__' in nameop, "No preorder"
assert '__tab... | python | def state_create_is_valid( nameop ):
"""
Is a nameop a valid state-preorder operation?
"""
assert '__state_create__' in nameop, "Not tagged with @state_create"
assert nameop['__state_create__'], "BUG: tagged False by @state_create"
assert '__preorder__' in nameop, "No preorder"
assert '__tab... | [
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230,488 | blockstack/blockstack-core | blockstack/lib/nameset/__init__.py | state_transition_is_valid | def state_transition_is_valid( nameop ):
"""
Is this a valid state transition?
"""
assert '__state_transition__' in nameop, "Not tagged with @state_transition"
assert nameop['__state_transition__'], "BUG: @state_transition tagged False"
assert '__history_id_key__' in nameop, "Missing __history_i... | python | def state_transition_is_valid( nameop ):
"""
Is this a valid state transition?
"""
assert '__state_transition__' in nameop, "Not tagged with @state_transition"
assert nameop['__state_transition__'], "BUG: @state_transition tagged False"
assert '__history_id_key__' in nameop, "Missing __history_i... | [
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230,489 | blockstack/blockstack-core | blockstack/lib/storage/crawl.py | _read_atlas_zonefile | def _read_atlas_zonefile( zonefile_path, zonefile_hash ):
"""
Read and verify an atlas zone file
"""
with open(zonefile_path, "rb") as f:
data = f.read()
# sanity check
if zonefile_hash is not None:
if not verify_zonefile( data, zonefile_hash ):
log.debug("Corrupt ... | python | def _read_atlas_zonefile( zonefile_path, zonefile_hash ):
"""
Read and verify an atlas zone file
"""
with open(zonefile_path, "rb") as f:
data = f.read()
# sanity check
if zonefile_hash is not None:
if not verify_zonefile( data, zonefile_hash ):
log.debug("Corrupt ... | [
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230,490 | blockstack/blockstack-core | blockstack/lib/storage/crawl.py | get_atlas_zonefile_data | def get_atlas_zonefile_data( zonefile_hash, zonefile_dir, check=True ):
"""
Get a serialized cached zonefile from local disk
Return None if not found
"""
zonefile_path = atlas_zonefile_path(zonefile_dir, zonefile_hash)
zonefile_path_legacy = atlas_zonefile_path_legacy(zonefile_dir, zonefile_has... | python | def get_atlas_zonefile_data( zonefile_hash, zonefile_dir, check=True ):
"""
Get a serialized cached zonefile from local disk
Return None if not found
"""
zonefile_path = atlas_zonefile_path(zonefile_dir, zonefile_hash)
zonefile_path_legacy = atlas_zonefile_path_legacy(zonefile_dir, zonefile_has... | [
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230,491 | blockstack/blockstack-core | blockstack/lib/storage/crawl.py | store_atlas_zonefile_data | def store_atlas_zonefile_data(zonefile_data, zonefile_dir, fsync=True):
"""
Store a validated zonefile.
zonefile_data should be a dict.
The caller should first authenticate the zonefile.
Return True on success
Return False on error
"""
if not os.path.exists(zonefile_dir):
os.make... | python | def store_atlas_zonefile_data(zonefile_data, zonefile_dir, fsync=True):
"""
Store a validated zonefile.
zonefile_data should be a dict.
The caller should first authenticate the zonefile.
Return True on success
Return False on error
"""
if not os.path.exists(zonefile_dir):
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230,492 | blockstack/blockstack-core | blockstack/lib/storage/crawl.py | remove_atlas_zonefile_data | def remove_atlas_zonefile_data( zonefile_hash, zonefile_dir ):
"""
Remove a cached zonefile.
Idempotent; returns True if deleted or it didn't exist.
Returns False on error
"""
if not os.path.exists(zonefile_dir):
return True
zonefile_path = atlas_zonefile_path( zonefile_dir, zonefil... | python | def remove_atlas_zonefile_data( zonefile_hash, zonefile_dir ):
"""
Remove a cached zonefile.
Idempotent; returns True if deleted or it didn't exist.
Returns False on error
"""
if not os.path.exists(zonefile_dir):
return True
zonefile_path = atlas_zonefile_path( zonefile_dir, zonefil... | [
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230,493 | blockstack/blockstack-core | blockstack/lib/storage/crawl.py | add_atlas_zonefile_data | def add_atlas_zonefile_data(zonefile_text, zonefile_dir, fsync=True):
"""
Add a zone file to the atlas zonefiles
Return True on success
Return False on error
"""
rc = store_atlas_zonefile_data(zonefile_text, zonefile_dir, fsync=fsync)
if not rc:
zonefile_hash = get_zonefile_data_has... | python | def add_atlas_zonefile_data(zonefile_text, zonefile_dir, fsync=True):
"""
Add a zone file to the atlas zonefiles
Return True on success
Return False on error
"""
rc = store_atlas_zonefile_data(zonefile_text, zonefile_dir, fsync=fsync)
if not rc:
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230,494 | blockstack/blockstack-core | blockstack/lib/operations/transfer.py | transfer_sanity_check | def transfer_sanity_check( name, consensus_hash ):
"""
Verify that data for a transfer is valid.
Return True on success
Raise Exception on error
"""
if name is not None and (not is_b40( name ) or "+" in name or name.count(".") > 1):
raise Exception("Name '%s' has non-base-38 characters" ... | python | def transfer_sanity_check( name, consensus_hash ):
"""
Verify that data for a transfer is valid.
Return True on success
Raise Exception on error
"""
if name is not None and (not is_b40( name ) or "+" in name or name.count(".") > 1):
raise Exception("Name '%s' has non-base-38 characters" ... | [
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230,495 | blockstack/blockstack-core | blockstack/lib/operations/transfer.py | find_transfer_consensus_hash | def find_transfer_consensus_hash( name_rec, block_id, vtxindex, nameop_consensus_hash ):
"""
Given a name record, find the last consensus hash set by a non-NAME_TRANSFER operation.
@name_rec is the current name record, before this NAME_TRANSFER.
@block_id is the current block height.
@vtxindex is t... | python | def find_transfer_consensus_hash( name_rec, block_id, vtxindex, nameop_consensus_hash ):
"""
Given a name record, find the last consensus hash set by a non-NAME_TRANSFER operation.
@name_rec is the current name record, before this NAME_TRANSFER.
@block_id is the current block height.
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230,496 | blockstack/blockstack-core | blockstack/lib/operations/transfer.py | canonicalize | def canonicalize(parsed_op):
"""
Get the "canonical form" of this operation, putting it into a form where it can be serialized
to form a consensus hash. This method is meant to preserve compatibility across blockstackd releases.
For NAME_TRANSFER, this means:
* add 'keep_data' flag
"""
ass... | python | def canonicalize(parsed_op):
"""
Get the "canonical form" of this operation, putting it into a form where it can be serialized
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230,497 | blockstack/blockstack-core | blockstack/blockstackd.py | get_bitcoind | def get_bitcoind( new_bitcoind_opts=None, reset=False, new=False ):
"""
Get or instantiate our bitcoind client.
Optionally re-set the bitcoind options.
"""
global bitcoind
if reset:
bitcoind = None
elif not new and bitcoind is not None:
return bitcoind
if new or bitcoind is None:... | python | def get_bitcoind( new_bitcoind_opts=None, reset=False, new=False ):
"""
Get or instantiate our bitcoind client.
Optionally re-set the bitcoind options.
"""
global bitcoind
if reset:
bitcoind = None
elif not new and bitcoind is not None:
return bitcoind
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] | 1dcfdd39b152d29ce13e736a6a1a0981401a0505 | https://github.com/blockstack/blockstack-core/blob/1dcfdd39b152d29ce13e736a6a1a0981401a0505/blockstack/blockstackd.py#L95-L133 |
230,498 | blockstack/blockstack-core | blockstack/blockstackd.py | get_pidfile_path | def get_pidfile_path(working_dir):
"""
Get the PID file path.
"""
pid_filename = virtualchain_hooks.get_virtual_chain_name() + ".pid"
return os.path.join( working_dir, pid_filename ) | python | def get_pidfile_path(working_dir):
"""
Get the PID file path.
"""
pid_filename = virtualchain_hooks.get_virtual_chain_name() + ".pid"
return os.path.join( working_dir, pid_filename ) | [
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] | 1dcfdd39b152d29ce13e736a6a1a0981401a0505 | https://github.com/blockstack/blockstack-core/blob/1dcfdd39b152d29ce13e736a6a1a0981401a0505/blockstack/blockstackd.py#L136-L141 |
230,499 | blockstack/blockstack-core | blockstack/blockstackd.py | put_pidfile | def put_pidfile( pidfile_path, pid ):
"""
Put a PID into a pidfile
"""
with open( pidfile_path, "w" ) as f:
f.write("%s" % pid)
os.fsync(f.fileno())
return | python | def put_pidfile( pidfile_path, pid ):
"""
Put a PID into a pidfile
"""
with open( pidfile_path, "w" ) as f:
f.write("%s" % pid)
os.fsync(f.fileno())
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