Insurance claims(Ethereum platform)

Based on the Blockchain PHR ecosystem,
Implemented a claim for insurance process with Smart Contract and dAPP.
web3, express, Swarm 1.8.2, solc 0.5, truffle 5.0

Process

• The medical institution uploads customer medical information to the Blockchain node and Swarm server,
• When an individual (customer) inquires about medical information from Blockchain and requests insurance companies to claim insurance,
• The insurer will look up the claim list, and the insurance system will pay the insurance fee after the examination.

Directory

/truffle/EthClaim       # About truffle project settings, Eclipse project settings  
├─.vscode               # VS Code setting  
├─build                 # Smart contracts compiled from truffle
│  └─contracts
├─contracts             # Smart Contract (solidity) Source .sol  
├─dApp                  # dApp  
│  ├─bin                # express bin
│  ├─node_modules
│  ├─public             # express static web resource
│  │  ├─build           # compiled contract
│  │  │  └─contracts
│  │  ├─images
│  │  ├─javascripts     # truffle, web3, jquery library(Used in dApp)
│  │  └─stylesheets     # CSS (Used in dApp)
│  ├─routes             # express routesm, url path mapping
│  └─views              # view source(ejs)
├─migrations            # js, Programs that distribute to web3 (Used in truffle)
├─test                  # truffle TEST
└─upload                # WEB file upload

Installation

EVM(go-ethreum)

geth, swarm node

version : 1.8.2
Swarm doc. https://swarm-guide.readthedocs.io/en/latest/gettingstarted.html

node modules

Contract module (truffle : solidity compile, migrate, EVM develop mode)

truffle doc. https://truffleframework.com/docs/truffle/reference/truffle-commands

sudo npm install -g truffle
cd <your-project-dir>
sudo npm install

dApp module(express, swarm-js)

cd <your-project-dir>/dApp
sudo npm install

Running

Start swarm server

cd <your-Geth-dir>
sudo swarm --bzzaccount <your-account-here>

Start EVM

cd <your-project-dir>
sudo npm run evm (= truffle develop --log)

smart contract compilation

// compile, migrate  
// Copy for use in express
sudo npm run mig (= truffle migrate --reset --network develop ; cp ./build/contracts/*.json ./dApp/public/build/contracts/.)

WAS Start, initial data registration

sudo npm start (= SET DEBUG=dApp:* & npm start) 

Initialization Data Registration at http://localhost:3000/

License

MIT