water quality detection and records on blockchain

node app.js

sample call:

curl -X POST http://localhost:3000/txs -d '{"type": "type1", "confidence": 0.11}'

add a data point: http://localhost:8000/addData?type=type4&confidence=23.423156

to get latest: http://localhost:8000/latest

to get history: http://localhost:8000/history

to get entire state: http://localhost:8000/state

presentation at goo.gl/Xw32za