WIP add AES to local cache
This commit is contained in:
parent
ce084bcb48
commit
b057cb65ff
@ -1,3 +1,10 @@
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- 0.0.5
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* Replace logs with colorized progress output on default loglevel
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* Do not repeat already failed metadata lookups
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- 0.0.4
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* Resolve metadata to labels when loading from cache
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- 0.0.3
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* Upgrade usumbufu to prevent missing bearer auth on https
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- 0.0.2
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* Use ~/.config for default config override
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- 0.0.1-unreleased
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@ -1,8 +1,13 @@
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# import notifier
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from clicada.cli.notify import NotifyWriter
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notifier = NotifyWriter()
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notifier.notify('loading script')
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# standard imports
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import os
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#import argparse
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import logging
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import importlib
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import sys
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# external imports
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import confini
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@ -25,6 +30,20 @@ data_dir = os.path.join(script_dir, '..', 'data')
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base_config_dir = os.path.join(data_dir, 'config')
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class NullWriter:
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def notify(self, v):
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pass
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def ouch(self, v):
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pass
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def write(self, v):
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sys.stdout.write(str(v))
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class CmdCtrl:
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__cmd_alias = {
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@ -45,10 +64,12 @@ class CmdCtrl:
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self.config()
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self.notifier()
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self.auth()
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self.blockchain()
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self.remote_openers = {}
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if self.get('META_URL') != None:
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auth_client_session = PGPClientSession(self.__auth)
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@ -156,3 +177,27 @@ class CmdCtrl:
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def opener(self, k):
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return self.remote_openers[k]
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def notifier(self):
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if logg.root.level >= logging.WARNING:
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logging.disable()
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self.writer = notifier
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else:
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self.writer = NullWriter()
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def notify(self, v):
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self.writer.notify(v)
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def ouch(self, v):
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self.writer.croak(v)
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print()
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def write(self, v):
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self.writer.write("")
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self.writer.write(v)
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print()
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@ -19,6 +19,7 @@ from clicada.token import (
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token_balance,
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)
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from clicada.tx import ResolvedTokenTx
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from clicada.error import MetadataNotFoundError
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logg = logging.getLogger(__name__)
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@ -51,24 +52,27 @@ def validate(config, args):
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def execute(ctrl):
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tx_getter = TxGetter(ctrl.get('TX_CACHE_URL'))
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tx_getter = TxGetter(ctrl.get('TX_CACHE_URL'), 10)
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store_path = '.clicada'
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user_phone_file_label = 'phone'
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user_phone_store = FileUserStore(ctrl.opener('meta'), ctrl.chain(), user_phone_file_label, store_path, int(ctrl.get('FILESTORE_TTL')))
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ctrl.notify('resolving identifier {} to wallet address'.format(ctrl.get('_IDENTIFIER')))
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user_address = user_phone_store.by_phone(ctrl.get('_IDENTIFIER'), update=ctrl.get('_FORCE'))
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if user_address == None:
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sys.stderr.write('unknown identifier: {}\n'.format(ctrl.get('_IDENTIFIER')))
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ctrl.ouch('unknown identifier: {}\n'.format(ctrl.get('_IDENTIFIER')))
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sys.exit(1)
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try:
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user_address = to_checksum_address(user_address)
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except ValueError:
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sys.stderr.write('invalid response "{}" for {}\n'.format(user_address, ctrl.get('_IDENTIFIER')))
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ctrl.ouch('invalid response "{}" for {}\n'.format(user_address, ctrl.get('_IDENTIFIER')))
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sys.exit(1)
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logg.debug('loaded user address {} for {}'.format(user_address, ctrl.get('_IDENTIFIER')))
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user_address_normal = tx_normalizer.wallet_address(user_address)
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ctrl.notify('retrieving txs for address {}'.format(user_address_normal))
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txs = tx_getter.get(user_address)
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token_store = FileTokenStore(ctrl.chain(), ctrl.conn(), 'token', store_path)
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@ -76,12 +80,14 @@ def execute(ctrl):
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user_address_file_label = 'address'
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user_address_store = FileUserStore(ctrl.opener('meta'), ctrl.chain(), user_address_file_label, store_path, int(ctrl.get('FILESTORE_TTL')))
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user_address_normal = tx_normalizer.wallet_address(user_address)
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ctrl.notify('resolving metadata for address {}'.format(user_address_normal))
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try:
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r = user_address_store.by_address(user_address_normal, update=ctrl.get('_FORCE'))
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except MetadataNotFoundError as e:
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ctrl.ouch('could not resolve metadata for user: {}'.format(e))
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sys.exit(1)
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r = user_address_store.by_address(user_address_normal, update=ctrl.get('_FORCE'))
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print('r {}'.format(r))
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print("""Phone: {}
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ctrl.write("""Phone: {}
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Network address: {}
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Chain: {}
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Name: {}
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@ -89,8 +95,7 @@ Registered: {}
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Gender: {}
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Location: {}
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Products: {}
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Tags: {}
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Balances:""".format(
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Tags: {}""".format(
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ctrl.get('_IDENTIFIER'),
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add_0x(user_address),
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ctrl.chain().common_name(),
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@ -106,6 +111,7 @@ Balances:""".format(
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tx_lines = []
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seen_tokens = {}
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for tx_src in txs['data']:
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ctrl.notify('resolve details for tx {}'.format(tx_src['tx_hash']))
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tx = ResolvedTokenTx.from_dict(tx_src)
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tx.resolve(token_store, user_address_store, show_decimals=True, update=ctrl.get('_FORCE'))
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tx_lines.append(tx)
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@ -113,12 +119,14 @@ Balances:""".format(
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seen_tokens[tx.destination_token_label] = tx.destination_token
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for k in seen_tokens.keys():
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ctrl.notify('resolve token {}'.format(seen_tokens[k]))
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(token_symbol, token_decimals) = token_store.by_address(seen_tokens[k])
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ctrl.notify('get token balance for {} => {}'.format(token_symbol, seen_tokens[k]))
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balance = token_balance(ctrl.chain(), ctrl.conn(), seen_tokens[k], user_address)
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fmt = '{:.' + str(token_decimals) + 'f}'
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decimal_balance = fmt.format(balance / (10 ** token_decimals))
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print("\t{} {}".format(token_symbol, decimal_balance))
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ctrl.write("Balances:\n {} {}".format(token_symbol, decimal_balance))
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print()
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for l in tx_lines:
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print(l)
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ctrl.write(l)
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38
clicada/crypt.py
Normal file
38
clicada/crypt.py
Normal file
@ -0,0 +1,38 @@
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# standard imports
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import os
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import logging
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from Crypto.Cipher import AES
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from Crypto.Util import Counter
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logg = logging.getLogger(__name__)
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class Encrypt:
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aesBlockSize = 1 << 7
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def __init__(self, secret, db_dir):
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fp = os.path.join(db_dir, '.aes_ctr_iv')
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try:
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f = open(fp, 'rb')
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self.iv = f.read()
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except FileNotFoundError:
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logg.debug('generating new iv for aes-ctr')
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self.iv = os.urandom(8)
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f = open(fp, 'wb')
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f.write(self.iv)
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f.close()
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iv_num = int.from_bytes(self.iv, 'big')
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self.ctr = Counter.new(aesBlockSize, initial_value=iv_num)
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self.cipher = AES.new(secret, AES.MODE_CTR, counter=self.ctr)
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def encrypt(self, v):
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return self.cipher.encrypt(v)
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def decrypt(self, v):
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return self.cipher.decrypt(v)
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@ -4,3 +4,7 @@ class ExpiredRecordError(Exception):
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class AuthError(Exception):
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pass
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class MetadataNotFoundError(Exception):
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pass
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@ -12,7 +12,10 @@ from cic_types.models.tx import (
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# local imports
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from clicada.encode import tx_normalize
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from clicada.error import ExpiredRecordError
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from clicada.error import (
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ExpiredRecordError,
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MetadataNotFoundError,
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)
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logg = logging.getLogger(__name__)
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@ -56,35 +59,22 @@ class ResolvedTokenTx(TokenTx):
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self.to_value_label = fmt.format(token_value)
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def resolve_stored_entity(self, user_store, address, update=False):
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if update:
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return None
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address = tx_normalize.wallet_address(address)
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def resolve_entity(self, user_store, address):
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try:
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v = user_store.get(address)
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return v
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except FileNotFoundError:
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return None
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except ExpiredRecordError:
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return None
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r = user_store.by_address(address)
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except MetadataNotFoundError:
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return address
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return str(r)
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def resolve_sender_entity(self, user_store, update=False):
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v = self.resolve_stored_entity(user_store, self.sender, update=update)
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if v != None:
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return v
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if self.tx_type == TokenTxType.faucet_giveto.value:
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return 'FAUCET'
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r = user_store.by_address(self.sender)
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return str(r)
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return self.resolve_entity(user_store, self.sender)
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def resolve_recipient_entity(self, user_store, update=False):
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v = self.resolve_stored_entity(user_store, self.recipient, update=update)
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if v != None:
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return v
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r = user_store.by_address(self.recipient, update=update)
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return str(r)
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return self.resolve_entity(user_store, self.recipient)
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def resolve_entities(self, user_store, update=False):
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@ -99,7 +89,7 @@ class ResolvedTokenTx(TokenTx):
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def __str__(self):
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if self.symmetric:
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return '{}\t{} => {}\t{} {}'.format(
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return '{} {} => {} {} {}'.format(
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self.date_block_label,
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self.sender_label,
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self.recipient_label,
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@ -18,7 +18,10 @@ import phonenumbers
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# local imports
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from clicada.encode import tx_normalize
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from clicada.store.mem import MemDictStore
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from clicada.error import ExpiredRecordError
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from clicada.error import (
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ExpiredRecordError,
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MetadataNotFoundError,
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)
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logg = logging.getLogger(__name__)
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@ -62,7 +65,7 @@ class Account(Person):
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class FileUserStore:
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def __init__(self, metadata_opener, chain_spec, label, store_base_path, ttl):
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def __init__(self, metadata_opener, chain_spec, label, store_base_path, ttl, encrypter=None):
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invalidate_before = datetime.datetime.now() - datetime.timedelta(seconds=ttl)
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self.invalidate_before = int(invalidate_before.timestamp())
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self.have_xattr = False
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@ -78,6 +81,8 @@ class FileUserStore:
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os.makedirs(self.store_path, exist_ok=True)
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self.__validate_dir()
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self.metadata_opener = metadata_opener
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self.failed_entities = {}
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self.encrypter = encrypter
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def __validate_dir(self):
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@ -86,6 +91,10 @@ class FileUserStore:
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logg.debug('using existing file store {} for {}'.format(self.store_path, self.label))
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def is_dud(self, address):
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return bool(self.failed_entities.get(address))
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def put(self, k, v, force=False):
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have_file = False
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p = os.path.join(self.store_path, k)
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@ -205,28 +214,37 @@ class FileUserStore:
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self.put(phone_file, user_address, force=update)
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return user_address
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def metadata_to_person(self, v):
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person = Account()
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try:
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person_data = person.deserialize(person_data=v)
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except Exception as e:
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person_data = v
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return person_data
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def by_address(self, address, update=False):
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add = tx_normalize.wallet_address(address)
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address = tx_normalize.wallet_address(address)
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address = strip_0x(address)
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#if self.failed_entities.get(address):
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if self.is_dud(address):
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logg.debug('already tried and failed {}, skipping'.format(address))
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return None
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ignore_expired = self.sticky(address)
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if not update:
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try:
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v = self.get(address, ignore_expired=ignore_expired)
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v = json.loads(v)
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person = Account()
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try:
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person_data = person.deserialize(person_data=v)
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except Exception as e:
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person_data = v
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return person_data
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return self.metadata_to_person(v)
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except FileNotFoundError:
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pass
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except ExpiredRecordError as e:
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logg.info(e)
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pass
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address = strip_0x(address)
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getter = self.metadata_opener
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ptr = generate_metadata_pointer(bytes.fromhex(address), MetadataPointer.PERSON)
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@ -235,7 +253,10 @@ class FileUserStore:
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r = getter.open(ptr)
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except Exception as e:
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logg.debug('no metadata found for {}: {}'.format(address, e))
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return address
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if r == None:
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self.failed_entities[address] = True
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raise MetadataNotFoundError()
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data = json.loads(r)
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person = Account()
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