Uniswap10 Server

Back end API for Uniswap10 - a customizeable index of cryptocurrencies traded on Uniswap. Track the top cryptocurrencies on the most popular decentralized exchange.

Uniswap10 is an index representing the hypothetical investment performance of a liquidity-weighted allocation strategy. Get broad exposure to the DeFi ecosystem by following market trends. Customize the strategy parameters to fit your trading style.

Live Demo

Technologies: Node, Express, Postgres, GraphQL

Data sources: The Graph, AlphaVantage

Client Repository

Install

Requires Node.js 13.2.0 or later

1. yarn install or npm install

2. cp sample.env .env

3. Create prod and test databases in Postgres

4. Put database URLs in .env

5. Create AlphaVantage API key

6. Put AV API key in .env

7. Migrate DB: yarn migrate or npm migrate

8. (Production) Schedule cron job to run yarn update-db or npm update-db every 24h

Scripts

Start server: yarn start or npm run start

Develop: yarn dev or npm dev

Fetch new data and update DB: yarn update-db or npm update-db

Migrate up DB: yarn migrate or npm migrate

Truncate DB: yarn truncate or npm run truncate

Deploy to Heroku (must set up first): yarn deploy or npm run deploy

Generate CSV file of Uniswap10 Index: yarn csv or npm csv

API

/api/index

Query params:

rp

• Strategy rebalance period
• integer 1 - 365

lw

• Liquidity weight factor (0 = use volume only)
• integer 0 - 1

c

• base currency
• 'usd' or 'eth'

Set up Heroku Deployment

1. heroku create

2. heroku addons:create heroku-postgresql:hobby-dev

3. yarn migrate:production or npm migrate:production

4. heroku addons:create scheduler:standard

5. Configure scheduler on Heroku dashboard to run yarn update-db or npm update-db every 24 hr

6. heroku config:set AV_API_KEY=<your API key>

7. yarn deploy or npm run deploy

8. heroku ps:scale web=1