2018-09-10 09:55:26 -07:00
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# Grant.io Backend
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This is the backend component of [Grant.io](http://grant.io).
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2018-10-19 15:20:51 -07:00
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## Environment Setup
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2018-09-10 09:55:26 -07:00
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Run the following commands to bootstrap your environment.
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Note: db setup is configured in .env when running locally. SQLLite is used by default in /tmp/
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# Get python in a virtual environment
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virtualenv -p python3 venv
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source venv/bin/activate
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# Install python requirements
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pip install -r requirements/dev.txt
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# Create environment variables file, edit as needed
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cp .env.example .env
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2018-10-19 15:20:51 -07:00
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If you want emails to work properly, you'll both need a SendGrid secret api key in `.env`,
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and if you’re running Python 3.6+ on macOS, you'll need to
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[fix your certificates](https://stackoverflow.com/a/42334357).
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## Database Setup
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2018-09-10 09:55:26 -07:00
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Once you have installed your DBMS, run the following to create your app's
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database tables and perform the initial migration
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flask db migrate
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flask db upgrade
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## Running the App
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2018-12-14 11:36:22 -08:00
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2018-10-19 22:18:27 -07:00
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Depending on what you need to run, there are several services that need to be started
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2018-09-10 09:55:26 -07:00
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If you just need the API, you can run
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flask run
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## Deployment
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To deploy
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export FLASK_ENV=production
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export FLASK_DEBUG=0
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export DATABASE_URL="<YOUR DATABASE URL>"
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flask run # start the flask server
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2018-12-14 11:36:22 -08:00
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In your production environment, make sure the `FLASK_DEBUG` environment
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variable is unset or is set to `0`.
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2018-09-10 09:55:26 -07:00
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## Shell
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To open the interactive shell, run
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flask shell
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2018-12-14 11:36:22 -08:00
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By default, you will have access to the flask `app`.
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2018-09-10 09:55:26 -07:00
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## Running Tests
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To run all tests, run
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flask test
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## Migrations
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Whenever a database migration needs to be made. Run the following commands
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flask db migrate
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This will generate a new migration script. Then run
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flask db upgrade
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To apply the migration.
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2018-12-14 11:36:22 -08:00
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For a full migration command reference, run `flask db --help`.
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2018-09-10 09:55:26 -07:00
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## Commands
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2018-12-14 11:36:22 -08:00
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2018-09-10 09:55:26 -07:00
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To create a proposal, run
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flask create_proposal "FUNDING_REQUIRED" 1 123 "My Awesome Proposal" "### Hi! I have a great proposal"
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2018-10-19 22:18:27 -07:00
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## External Services
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2018-10-19 22:18:27 -07:00
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To decode EIP-712 signed messages, a Grant.io deployed service was created `https://eip-712.herokuapp.com`.
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To adjust this endpoint, simply export `AUTH_URL` with a new endpoint value:
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export AUTH_URL=http://new-endpoint.com
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2018-12-14 11:36:22 -08:00
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To learn more about this auth service, you can visit the repo [here](https://github.com/grant-project/eip-712-server).
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## S3 Storage Setup
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1. create bucket, keep the `bucket name` and `region` handy
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1. unblock public access `Amazon S3 > BUCKET_NAME > Permissions > Public access settings`
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1. set the CORS configuration, replace HOST_NAME with desired domain, or `*` to allow all
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Amazon S3 > BUCKET_NAME > Permissions > CORS configuration
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```
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<?xml version="1.0" encoding="UTF-8"?>
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<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
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<CORSRule>
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<AllowedOrigin>HOST_NAME</AllowedOrigin>
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<AllowedMethod>GET</AllowedMethod>
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<AllowedMethod>POST</AllowedMethod>
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<AllowedMethod>PUT</AllowedMethod>
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<AllowedHeader>*</AllowedHeader>
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</CORSRule>
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</CORSConfiguration>
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```
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1. create IAM Policy, replace `BUCKET_NAME` with correct name.
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```
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Action": [
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"s3:PutObject",
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"s3:PutObjectAcl",
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"s3:GetObject",
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"s3:DeleteObject"
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],
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"Resource": [
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"arn:aws:s3:::BUCKET_NAME/*"
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]
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}
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]
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}
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```
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1. create IAM user with programatic access (Access key) and assign that user the policy created above
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1. copy the user's `Access key ID`, `Secret access key`, `bucket name` & `bucket region` to private `.env`, see `.env.example`
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