Onionr/src/blockio/subprocgenerate.py

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from base64 import b85encode
import os
import subprocess
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import threading
import ujson as json
import kasten
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from onionrplugins import onionrevents
from blockio import store_block
from onionrblocks.generators.anonvdf import AnonVDFGenerator
_DIR = os.path.dirname(os.path.realpath(__file__)) + '/../'
def vdf_block(data, data_type, ttl, **metadata):
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try:
data = data.encode('utf-8')
except AttributeError:
pass
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data = b85encode(data)
generated = subprocess.Popen(
[
f'{_DIR}anonvdf-block-creator.py',
json.dumps(metadata),
data_type,
str(ttl)],
stdout=subprocess.PIPE,
stdin=subprocess.PIPE)
generated = generated.communicate(data)[0]
return kasten.Kasten(
generated[:64], generated[64:],
AnonVDFGenerator, auto_check_generator=True)
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def gen_and_store_vdf_block(shared_state, *args, **kwargs):
safe_db = shared_state.get_by_string('SafeDB')
k = vdf_block(*args, **kwargs)
store_block(
k,
safe_db,
own_block=True
)
onionrevents.event('blockcreated', data=shared_state, threaded=True)