Onionr/onionr/communicatorutils/uploadblocks.py

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'''
Onionr - Private P2P Communication
Upload blocks in the upload queue to peers from the communicator
'''
'''
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
import logger
from communicatorutils import proxypicker
import onionrblockapi as block
from onionrutils import localcommand, stringvalidators, basicrequests
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from communicator import onlinepeers
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import onionrcrypto
def upload_blocks_from_communicator(comm_inst):
# when inserting a block, we try to upload it to a few peers to add some deniability
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TIMER_NAME = "upload_blocks_from_communicator"
triedPeers = []
finishedUploads = []
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comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
if len(comm_inst.blocksToUpload) != 0:
for bl in comm_inst.blocksToUpload:
if not stringvalidators.validate_hash(bl):
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logger.warn('Requested to upload invalid block', terminal=True)
comm_inst.decrementThreadCount(TIMER_NAME)
return
for i in range(min(len(comm_inst.onlinePeers), 6)):
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peer = onlinepeers.pick_online_peer(comm_inst)
if peer in triedPeers:
continue
triedPeers.append(peer)
url = 'http://' + peer + '/upload'
data = {'block': block.Block(bl).getRaw()}
proxyType = proxypicker.pick_proxy(peer)
logger.info("Uploading block to " + peer, terminal=True)
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if not basicrequests.do_post_request(url, data=data, proxyType=proxyType) == False:
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localcommand.local_command('waitforshare/' + bl, post=True)
finishedUploads.append(bl)
for x in finishedUploads:
try:
comm_inst.blocksToUpload.remove(x)
except ValueError:
pass
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comm_inst.decrementThreadCount(TIMER_NAME)