This is a flutter project made as a demo for buying btc. It uses BloC with streams to handle state. Uses CoinGecko api to fetch btc price and chart data , Sync Fusion Charts dependecy is used show the Spline Chart.
https://drive.google.com/file/d/19f1Oq0n_7SbZbBhS4RTnjZb4O1VEofL6/view?usp=sharing