COVID-19 Immunity Passport Infrastructure on EOS Blockchain

Smart Contracts for Immunity Passport Policy: Request, Issue, and Verify

This product was developed during participation in Coding for Change EOS Virtual Hackathon 2020

Authors: Lalith Medury & Sai Medury
contact: lalith.aakash970@gmail.com, sai.abhijit777@gmail.com

Check out the Proof of Concept, try creating a DID on the EOSIO Blockchain and request for an Immunity Passport. You can also register as a healthworker using your GMail address and validate/issue Immunity Passports, to get an all-round experience.

The PoC DApp is connected to smart contracts deployed on Jungle Test Network. Create a new account, if you don't already have one, and connect using Scatter. Follow this video to connect your Jungle Test Network account with Scatter.

Unit Tests

We used EOSLime testing framework to develop this application.

Install eoslime using npm

npm install eoslime

Compile contracts

# The command will read contract files from ./contracts folder
# Output will be stored as .abi and .wasm files in ./compiled folder
eoslime compile

Tests

Compile the smart contracts before running tests.

Our tests target local nodeos instance, make sure it is running. Also, our tests are not re-runnable so nodeos must be restarted with --delete-all-blocks each time. Run the following command:

nodeos -e -p eosio \
--plugin eosio::producer_plugin \
--plugin eosio::producer_api_plugin \
--plugin eosio::chain_api_plugin \
--plugin eosio::http_plugin \
--plugin eosio::history_plugin \
--plugin eosio::history_api_plugin \
--filter-on="*" \
--access-control-allow-origin='*' \
--contracts-console \
--http-validate-host=false \
--verbose-http-errors --delete-all-blocks >> nodeos.log 2>&1 &

Our tests require hard-coding of EOS account names so we created a script to set-up them up. Unlock cleos wallet and run createAccounts.sh to set-up test accounts.

cleos wallet unlock
bash createAccounts.sh

Check smart contract behavior by running unit tests

# The command will run unit tests from ./tests folder
eoslime test