- python 3.8
- Install
Docker - Clone and change directory to bankzero
[email protected]:SBNBON005/bankzero.git
- Processing transactions from a csv file
- Processing unprocessed transactions in the transaction tbl
- Generate a csv report of processed transactions
There's 3 separate scripts for each functionality
Run the command to bring up docker postgres db
$ docker run --rm -p 5432:5432 --name some-postgres -e POSTGRES_PASSWORD=test -e POSTGRES_USER=proxyuser -e POSTGRES_DB=bankzero postgres:alpine
Install requirements and building module
$ pip install -e .
Create and initialize tables:
$ python3.8 bootstrap.py
$ python3.8 bankzero/process_csv_txs.py
$ python3.8 bankzero/process_pending_txs.py
$ python3.8 bankzero/generate_report.py
Run docker ps on your terminal to get the container id for your postgres db container. My output
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7feb3a98cbc9 postgres:alpine "docker-entrypoint.sā¦" 7 seconds ago Up 6 seconds 0.0.0.0:5432->5432/tcp some-postgres
Jump into the container
$ docker exec -it 7feb3a98cbc9 bash
bash-5.0#
Login to Database
bash-5.0# psql -U proxyuser -d bankzero
psql (12.1)
Type "help" for help.
bankzero=#
Running a sql query
bankzero=# select * from transaction;
id | created_at | updated_at | description | type | status | amount | account_id
----+---------------------+----------------------------+----------------+-----------+-----------+---------------------------+-------------
1 | 2020-01-02 10:00:00 | 2020-01-02 10:00:00 | transafer | DEPOSIT | PENDING | 100000.000000000000000000 | 11111111111
2 | 2020-01-02 10:01:00 | 2020-01-02 10:01:00 | Computer Mania | PURCHASE | PENDING | 10.430000000000000000 | 11111111111
3 | 2020-01-02 10:01:00 | 2020-01-02 10:01:00 | Computer Mania | DRAW_CASH | PENDING | 20.000000000000000000 | 11111111111
4 | 2020-01-02 10:01:00 | 2020-01-02 10:01:00 | Computer Mania | PURCHASE | PENDING | 20.000000000000000000 | 11111111111
5 | 2020-01-02 10:00:00 | 2020-02-20 10:38:27.948621 | transafer | DEPOSIT | PROCESSED | 100000.000000000000000000 | 11111111111
6 | 2020-01-02 10:01:00 | 2020-02-20 10:38:27.970594 | Computer Mania | PURCHASE | PROCESSED | 10.430000000000000000 | 11111111111
7 | 2020-01-02 10:01:00 | 2020-02-20 10:38:27.993417 | Computer Mania | DRAW_CASH | PROCESSED | 20.000000000000000000 | 11111111111
8 | 2020-01-02 10:01:00 | 2020-02-20 10:38:28.01382 | Computer Mania | PURCHASE | PROCESSED | 20.000000000000000000 | 11111111111
(8 rows)
bankzero=#
- Have 3 tables Transaction, TransactionAudit and Account (defined in model.py)
- Transaction tbl should have a status column to indicate if it has been processed or not
- Store transaction in TransactionAudit once processed and mark it as processed
- Commit after successfully processing a transaction or rollback
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