grassrootseconomics/clicada
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Add local record expiry

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This commit is contained in:
nolash 2021-11-06 04:42:18 +01:00
parent e8b6173ec5
commit f648724205
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
7 changed files with 84 additions and 44 deletions
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10
clicada/cli/arg.py
View File

@ -78,8 +78,14 @@ class CmdCtrl:
def get(self, k):
return self.config.get(k)
r = self.config.get(k)
if k in [
'_FORCE',
]:
if r == None:
return False
return self.config.true(k)
return r
def chain(self):
return self.chain_spec

4
clicada/cli/user.py
View File

@ -1,11 +1,13 @@
def process_args(argparser):
argparser.add_argument('-m', '--method', type=str, help='lookup method')
argparser.add_argument('--meta-url', dest='meta_url', type=str, help='url to retrieve metadata from')
argparser.add_argument('--meta-url', dest='meta_url', type=str, help='Url to retrieve metadata from')
argparser.add_argument('-f', '--force-update', dest='force_update', type=str, help='Update records of mutable entries')
argparser.add_argument('identifier', type=str, help='user identifier')
def extra_args():
return {
'force_update': '_FORCE',
'method': 'META_LOOKUP_METHOD',
'meta_url': 'META_URL',
'identifier': '_ARG_USER_IDENTIFIER',

3
clicada/data/config/config.ini
View File

@ -2,6 +2,9 @@
lookup_method = phone
url =
[filestore]
ttl = 86400
[tx]
cache_url =

2
clicada/error.py Normal file
View File

@ -0,0 +1,2 @@
class ExpiredRecordError(Exception):
pass

13
clicada/runnable/view.py
View File

@ -26,14 +26,9 @@ MetadataRequestsHandler.base_url = ctrl.get('META_URL')
store_path = '.clicada'
user_phone_file_label = 'phone'
user_phone_store = FileUserStore(ctrl.chain(), user_phone_file_label, store_path)
#try:
# user_phone_store.put('25413241324', '5c4f9EeE1a6375d30f50ab547cD4EE21B37ac8Ab')
#except FileExistsError:
# logg.debug('already have record')
user_phone_store = FileUserStore(ctrl.chain(), user_phone_file_label, store_path, int(ctrl.get('FILESTORE_TTL')))
#k = '25413241324'
user_address = user_phone_store.by_phone(ctrl.get('_ARG_USER_IDENTIFIER'))
user_address = user_phone_store.by_phone(ctrl.get('_ARG_USER_IDENTIFIER'), update=ctrl.get('_FORCE'))
if user_address == None:
sys.stderr.write('unknown identifier: {}\n'.format(ctrl.get('_ARG_USER_IDENTIFIER')))
sys.exit(1)
@ -51,9 +46,9 @@ txs = tx_getter.get(user_address)
token_store = FileTokenStore(ctrl.chain(), ctrl.conn(), 'token', store_path)
user_address_file_label = 'address'
user_address_store = FileUserStore(ctrl.chain(), user_address_file_label, store_path)
user_address_store = FileUserStore(ctrl.chain(), user_address_file_label, store_path, int(ctrl.get('FILESTORE_TTL')))
for tx_src in txs['data']:
tx = ResolvedTokenTx.from_dict(tx_src)
tx.resolve(token_store, user_address_store)
tx.resolve(token_store, user_address_store, update=ctrl.get('_FORCE'))
print(tx)

31
clicada/tx/tx.py
View File

@ -12,6 +12,7 @@ from cic_types.models.tx import (
# local imports
from clicada.encode import tx_normalize
from clicada.error import ExpiredRecordError
logg = logging.getLogger(__name__)
@ -27,7 +28,7 @@ class ResolvedTokenTx(TokenTx):
self.recipient_entity = None
def resolve_tokens(self, token_store, show_decimals=False):
def resolve_tokens(self, token_store, show_decimals=False, update=False):
(token_symbol, token_decimals) = token_store.by_address(self.source_token)
self.source_token_label = token_symbol
token_value = self.to_value / (10 ** token_decimals)
@ -49,17 +50,21 @@ class ResolvedTokenTx(TokenTx):
self.to_value_label = fmt.format(token_value)
def resolve_stored_entity(self, user_store, address):
def resolve_stored_entity(self, user_store, address, update=False):
if update:
return None
address = tx_normalize.wallet_address(address)
try:
v = user_store.get(address)
return v
except FileNotFoundError:
return None
except ExpiredRecordError:
return None
def resolve_sender_entity(self, user_store):
v = self.resolve_stored_entity(user_store, self.sender)
def resolve_sender_entity(self, user_store, update=False):
v = self.resolve_stored_entity(user_store, self.sender, update=update)
if v != None:
return v
if self.tx_type == TokenTxType.faucet_giveto.value:
@ -67,21 +72,21 @@ class ResolvedTokenTx(TokenTx):
return user_store.get_label(self.sender)
def resolve_recipient_entity(self, user_store):
v = self.resolve_stored_entity(user_store, self.recipient)
def resolve_recipient_entity(self, user_store, update=False):
v = self.resolve_stored_entity(user_store, self.recipient, update=update)
if v != None:
return v
return user_store.get_label(self.recipient)
return user_store.get_label(self.recipient, update=update)
def resolve_entities(self, user_store):
self.sender_label = self.resolve_sender_entity(user_store)
self.recipient_label = self.resolve_recipient_entity(user_store)
def resolve_entities(self, user_store, update=False):
self.sender_label = self.resolve_sender_entity(user_store, update=update)
self.recipient_label = self.resolve_recipient_entity(user_store, update=update)
def resolve(self, token_store, user_store, show_decimals=False):
self.resolve_tokens(token_store, show_decimals)
self.resolve_entities(user_store)
def resolve(self, token_store, user_store, show_decimals=False, update=False):
self.resolve_tokens(token_store, show_decimals, update=update)
self.resolve_entities(user_store, update=update)
def __str__(self):

37
clicada/user/file.py
View File

@ -4,6 +4,7 @@ import os
import logging
import json
import urllib.parse
import datetime
# external imports
from hexathon import strip_0x
@ -18,13 +19,16 @@ import phonenumbers
# local imports
from clicada.encode import tx_normalize
from clicada.store.mem import MemDictStore
from clicada.error import ExpiredRecordError
logg = logging.getLogger(__name__)
class FileUserStore:
def __init__(self, chain_spec, label, store_base_path):
def __init__(self, chain_spec, label, store_base_path, ttl):
invalidate_before = datetime.datetime.now() - datetime.timedelta(seconds=ttl)
self.invalidate_before = int(invalidate_before.timestamp())
self.label = label
self.store_path = os.path.join(
store_base_path,
@ -47,13 +51,15 @@ class FileUserStore:
def put(self, k, v, force=False):
have_file = False
p = os.path.join(self.store_path, k)
its_time = True
try:
st = os.stat(p)
have_file = True
its_time = st[stat.ST_MTIME] < self.invalidate_before
except FileNotFoundError:
pass
if have_file and not force:
if have_file and not its_time and not force:
raise FileExistsError('user resolution already exists for {}'.format(k))
f = open(p, 'w')
@ -63,39 +69,57 @@ class FileUserStore:
logg.info('added user store {} record {} -> {}'.format(self.label, k, v))
def check_expiry(self, p):
st = os.stat(p)
if st[stat.ST_MTIME] < self.invalidate_before:
raise ExpiredRecordError('record in {} is expired'.format(p))
def get(self, k):
p = os.path.join(self.store_path, k)
self.check_expiry(p)
f = open(p, 'r')
r = f.read()
f.close()
return r.strip()
def by_phone(self, phone):
def by_phone(self, phone, update=False):
phone = phonenumbers.parse(phone, None)
phone = phonenumbers.format_number(phone, phonenumbers.PhoneNumberFormat.E164)
phone_file = phone.replace('+', '')
if not update:
try:
v = self.get(phone_file)
return v
except FileNotFoundError:
pass
except ExpiredRecordError as e:
logg.info(e)
pass
#getter = MetadataRequestsHandler(MetadataPointer.PHONE, phone.encode('utf-8'))
r = None
user_address = None
try:
ptr = generate_metadata_pointer(phone.encode('utf-8'), MetadataPointer.PHONE)
url = urllib.parse.urljoin(MetadataRequestsHandler.base_url, ptr)
r = make_request('GET', url)
return r.json()
user_address = r.json()
except requests.exceptions.HTTPError as e:
logg.debug('no address found for phone {}: {}'.format(phone, e))
return None
self.put(phone_file, user_address)
return user_address
def get_label(self, address):
def get_label(self, address, update=False):
add = tx_normalize.wallet_address(address)
if not update:
try:
v = self.get(address)
v = json.loads(v)
@ -104,6 +128,9 @@ class FileUserStore:
return str(person_data)
except FileNotFoundError:
pass
except ExpiredRecordError as e:
logg.info(e)
pass
address = strip_0x(address)
getter = MetadataRequestsHandler(MetadataPointer.PERSON, bytes.fromhex(address))