Implement redis and store transaction data

This commit is contained in:
Mark Veidemanis 2021-12-23 18:46:39 +00:00
parent 57e5616531
commit a584154c2f
Signed by: m
GPG Key ID: 5ACFCEED46C0904F
4 changed files with 75 additions and 10 deletions

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@ -12,6 +12,7 @@ from json.decoder import JSONDecodeError
# Project imports
from settings import settings
from revolut import Revolut
from transactions import Transactions
class WebApp(object):
@ -23,13 +24,9 @@ class WebApp(object):
def __init__(self):
self.revolut = Revolut()
self.tx = Transactions()
self.log = Logger("webapp")
@app.route("/refresh", methods=["GET"])
def refresh(self, request):
rtrn = self.revolut.get_new_token()
return dumps({"success": rtrn})
@app.route("/callback", methods=["POST"])
def callback(self, request):
content = request.content.read()
@ -39,20 +36,21 @@ class WebApp(object):
self.log.error("Failed to parse JSON callback: {content}", content=content)
return dumps({"success": False})
self.log.info("Callback received: {parsed}", parsed=parsed)
self.tx.transaction(parsed)
return dumps({"success": True})
def start(webapp):
def start(handler):
"""
Schedule to refresh the API token once the reactor starts, and create LoopingCapp to refresh it periodically.
"""
deferLater(reactor, 1, webapp.revolut.get_new_token)
deferLater(reactor, 4, webapp.revolut.setup_webhook)
lc = LoopingCall(webapp.revolut.get_new_token)
deferLater(reactor, 1, handler.get_new_token)
deferLater(reactor, 4, handler.setup_webhook)
lc = LoopingCall(handler.get_new_token)
lc.start(settings.token_refresh_sec)
if __name__ == "__main__":
webapp = WebApp()
start(webapp)
start(webapp.revolut)
webapp.app.run("127.0.0.1", 8080)

7
handler/db.py Normal file
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@ -0,0 +1,7 @@
# Other library imports
from redis import StrictRedis
# Project imports
from settings import settings
r = StrictRedis(unix_socket_path=settings.redis_socket, db=0)

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@ -4,6 +4,7 @@ pre_settings = {
"token_refresh_sec": 100,
"api_base": "https://sandbox-b2b.revolut.com/api/1.0",
"webhook_url": "https://callback-sandbox.pathogen.is/callback",
"redis_socket": "/var/run/redis/redis.sock",
"refresh_token": "",
"access_token": "",
"client_id": "",

59
handler/transactions.py Normal file
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@ -0,0 +1,59 @@
# Twisted/Klein imports
from twisted.logger import Logger
# Other library imports
from json import dumps
# Project imports
from db import r
class Transactions(object):
"""
Handler class for incoming Revolut transactions.
"""
def __init__(self):
self.log = Logger("transactions")
def transaction(self, data):
"""
Store details of transaction.
"""
event = data["event"]
ts = data["timestamp"]
inside = data["data"]
txid = inside["id"]
txtype = inside["type"]
state = inside["state"]
reference = inside["reference"]
leg = inside["legs"][0]
account_type = leg["counterparty"]["account_type"]
account_id = leg["counterparty"]["account_id"]
amount = leg["amount"]
currency = leg["currency"]
description = leg["description"]
to_store = {
"event": event,
"ts": ts,
"txid": txid,
"txtype": txtype,
"state": state,
"reference": reference,
"account_type": account_type,
"account_id": account_id,
"amount": amount,
"currency": currency,
"description": description,
}
self.log.info("Transaction processed: {formatted}", formatted=dumps(to_store, indent=2))
r.hmset(f"tx.{txid}", to_store)
def find_tx(self, amount, reference):
pass