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Wallet Service

Wallet Service provides RESTful API to add and list account balances as well as making transfers between the accounts and view them

How to run

To run Wallet Service you have to set SITE_HOST, POSTGRES_HOST, POSTGRES_PASSWORD, POSTGRES_USER, POSTGRES_DB env variable and run docker-compose up or simple modify dev.sh with current and run ./bin/dev.sh up

SITE_HOST is the allowed host value that you must access the service with. To run locally, please set 127.0.0.1 <SITE_HOST> to your /etc/hosts file to access the service

API documentation

There are two ways to check API documentation

Enhancements

  • I have linked double-entry bookkeeping rows with the timestamp but it's hard to track with naked eye. so I believe it would've been better to use a Journal model and the two transfer rows in Tranfer model should be related to a row in Journal. so it can be easier to track with

For example Journal Entry would be like below

    id: 1

and the transfer rows would be

    primary_account: "bob",
    direction: "outgoing",
    amount: 10,
    secondary_account: "jack",
    journal_id: 1,

    primary_account: "jack",
    direction: "ingoing",
    amount: "10",
    secondary_account: "bob",
    journal_id: 1,

This is the simplest for I can do this. It can also be done with a pregenerated ids bucket for each transfer in order to avoid concurrency problems.

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