Add data api
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104
apps/cic-cache/cic_cache/runnable/daemons/query.py
Normal file
104
apps/cic-cache/cic_cache/runnable/daemons/query.py
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# standard imports
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import json
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import re
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# local imports
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from cic_cache.cache import (
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BloomCache,
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DataCache,
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)
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re_transactions_all_bloom = r'/tx/(\d+)?/?(\d+)/?'
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re_transactions_account_bloom = r'/tx/user/((0x)?[a-fA-F0-9]+)/?(\d+)?/?(\d+)/?'
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re_transactions_all_data = re_transactions_all_bloom
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DEFAULT_LIMIT = 100
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def process_transactions_account_bloom(session, env):
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r = re.match(re_transactions_account_bloom, env.get('PATH_INFO'))
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if not r:
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return None
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address = r[1]
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if r[2] == None:
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address = '0x' + address
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offset = DEFAULT_LIMIT
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if r.lastindex > 2:
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offset = r[3]
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limit = 0
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if r.lastindex > 3:
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limit = r[4]
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c = BloomCache(session)
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(lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions_account(address, offset, limit)
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o = {
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'alg': 'sha256',
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'low': lowest_block,
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'high': highest_block,
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'block_filter': base64.b64encode(bloom_filter_block).decode('utf-8'),
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'blocktx_filter': base64.b64encode(bloom_filter_tx).decode('utf-8'),
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'filter_rounds': 3,
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}
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j = json.dumps(o)
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return ('application/json', j.encode('utf-8'),)
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def process_transactions_all_bloom(session, env):
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r = re.match(re_transactions_all_bloom, env.get('PATH_INFO'))
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if not r:
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return None
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offset = DEFAULT_LIMIT
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if r.lastindex > 0:
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offset = r[1]
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limit = 0
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if r.lastindex > 1:
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limit = r[2]
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c = BloomCache(session)
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(lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions(offset, limit)
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o = {
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'alg': 'sha256',
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'low': lowest_block,
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'high': highest_block,
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'block_filter': base64.b64encode(bloom_filter_block).decode('utf-8'),
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'blocktx_filter': base64.b64encode(bloom_filter_tx).decode('utf-8'),
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'filter_rounds': 3,
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}
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j = json.dumps(o)
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return ('application/json', j.encode('utf-8'),)
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def process_transactions_all_data(session, env):
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r = re.match(re_transactions_all_data, env.get('PATH_INFO'))
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if not r:
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return None
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if env.get('HTTP_X_CIC_CACHE_MODE') != 'all':
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return None
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offset = DEFAULT_LIMIT
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if r.lastindex > 0:
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offset = r[1]
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limit = 0
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if r.lastindex > 1:
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limit = r[2]
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c = DataCache(session)
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(lowest_block, highest_block, tx_cache) = c.load_transactions_with_data(offset, limit)
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o = {
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'low': lowest_block,
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'high': highest_block,
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'data': tx_cache,
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}
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j = json.dumps(o)
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return ('application/json', j.encode('utf-8'),)
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@@ -6,13 +6,18 @@ import argparse
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import json
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import base64
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# third-party imports
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# external imports
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import confini
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# local imports
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from cic_cache import BloomCache
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from cic_cache.db import dsn_from_config
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from cic_cache.db.models.base import SessionBase
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from .query import (
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process_transactions_account_bloom,
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process_transactions_all_bloom,
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process_transactions_all_data,
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)
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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@@ -44,72 +49,6 @@ logg.debug('config:\n{}'.format(config))
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dsn = dsn_from_config(config)
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SessionBase.connect(dsn, config.true('DATABASE_DEBUG'))
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re_transactions_all_bloom = r'/tx/(\d+)?/?(\d+)/?'
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re_transactions_account_bloom = r'/tx/user/((0x)?[a-fA-F0-9]+)/?(\d+)?/?(\d+)/?'
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DEFAULT_LIMIT = 100
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def process_transactions_account_bloom(session, env):
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r = re.match(re_transactions_account_bloom, env.get('PATH_INFO'))
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if not r:
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return None
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address = r[1]
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if r[2] == None:
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address = '0x' + address
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offset = DEFAULT_LIMIT
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if r.lastindex > 2:
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offset = r[3]
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limit = 0
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if r.lastindex > 3:
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limit = r[4]
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c = BloomCache(session)
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(lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions_account(address, offset, limit)
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o = {
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'alg': 'sha256',
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'low': lowest_block,
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'high': highest_block,
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'block_filter': base64.b64encode(bloom_filter_block).decode('utf-8'),
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'blocktx_filter': base64.b64encode(bloom_filter_tx).decode('utf-8'),
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'filter_rounds': 3,
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}
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j = json.dumps(o)
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return ('application/json', j.encode('utf-8'),)
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def process_transactions_all_bloom(session, env):
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r = re.match(re_transactions_all_bloom, env.get('PATH_INFO'))
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if not r:
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return None
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offset = DEFAULT_LIMIT
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if r.lastindex > 0:
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offset = r[1]
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limit = 0
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if r.lastindex > 1:
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limit = r[2]
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c = BloomCache(session)
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(lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions(offset, limit)
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o = {
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'alg': 'sha256',
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'low': lowest_block,
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'high': highest_block,
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'block_filter': base64.b64encode(bloom_filter_block).decode('utf-8'),
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'blocktx_filter': base64.b64encode(bloom_filter_tx).decode('utf-8'),
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'filter_rounds': 3,
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}
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j = json.dumps(o)
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return ('application/json', j.encode('utf-8'),)
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# uwsgi application
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def application(env, start_response):
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@@ -121,6 +60,7 @@ def application(env, start_response):
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for handler in [
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process_transactions_all_bloom,
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process_transactions_account_bloom,
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process_transactions_all_data,
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]:
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r = handler(session, env)
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if r != None:
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