Accounting

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Accounting

This page explains the accounting micro-services.

Our goal is to enable IFRS standards of accounting that track a granular level of accounting. 
Two types of accounting are part of Finscale's Accounting service: Cash-based and Accrual.
This service makes use of smart contracts to store information.
Setting Up
Prerequisites
Before attempting to run the project, you need the following installed on your system
1.Docker and Docker-Compose
2.Ganache GUI
3.Postman
Step1 - Install docker and docker-compose
Refer to the Docker docs for installation instructions.
See this documentation on how to install docker on ubuntu. Similar installation instructions exist for other distributions.
Instructions on how to install docker-compose can be found here.
Step 2 - Install Ganache GUI
Ganache is a tool used for setting up a personal Ethereum Blockchain for testing Solidity smart contracts.
First, navigate to the Truffle Suite official website and download the latest Linux release which will be the *.AppImage
Next, make the downloaded file executable
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chmod a+x ganache-2.5.4-x86_64.AppImage
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Next, run the file
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./ganache-2.5.4-x86_64.AppImage
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Upon successful installation, you should see a screen that looks like this
Click on the "QUICKSTART" button to get started.
Step 3 - Install Postman
This is required for testing the endpoints. You can install Postman on Linux by downloading it, or via the Snap store link using the command
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snap install postman
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Running required services
The following services must be run beforehand:
1.​Finscale-Identity: Provides the authentication mechanism.
2.​Finscale-Contracts: Creates a wallet with some Eth balance for the account initiating the transaction.
In order to successfully run the finscale-contracts project, you need to set some environment variables the program requires which are provided below:
WEB3J_NODE_URL=http://127.0.0.1:7545
WEB3J_WALLET_PASSWORD=changeit
WEB3J_WALLET_PATH=/home/${ USER }/.finscale/wallet.json 
Assuming you have already created the directory using
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mkdir ~/.finscale
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And ${ USER } is the current user of your system
If you're using IntelliJ IDE, the above env variables can be easily set by going to 
Run > Edit Configurations... > Environment variables
WEB3J_NODE_URL points to Ganache's RPC server default address
If the project has run successfully, you should now see a wallet.json file created in the directory with some content e.g, /home/cadreia/.finscale/wallet.json
Running the accounting service
First, you need to set the following environment variables required by finscale-accounting:
WALLET_PASSWORD=changeit
WALLET_PATH=/home/${ USER }/.finscale/wallet.json
Next, start the JHipster Registry by running the following command at the root of the project
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docker-compose -f src/main/docker/jhipster-registry.yml up
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Then, run the project and you should now have access to the API.
Testing the endpoints
post
http://{{accountingUrl}}
/ledgers
Create Ledger
get
http://{{accountingUrl}}
/ledgers/:id
Get Ledger
get
http://{{accountingUrl}}
/ledgers
Get All Ledgers