symphony: A JavaScript repository from Ivkaa

An interactive, visual and auditory exploration of Bitcoin, Cryptocurrency and Blockchain technology. A singular aim, to help bring about greater understanding of both Blockchain technology and the ever expanding (and contracting) Cryptocurrency marketplace.

URL

Latest build on symphony.iohk.io

Build Setup

# install dependencies
npm install

# serve with hot reload at localhost:8080
npm run dev

# build for production with minification
npm run build

# build for production and view the bundle analyzer report
npm run build --report

# Run Standard.js test over code
npm run test

API

Symphony as a scriptable API to navigate through the blockchain, focus on specific blocks and retrieve information about the blockchain.

Initialisation

WebGL support check

Use orpheusApp.canRun to detect WebGL.

if (!orpheusApp.canRun) {
  console.log("No webgl support");
}

Create the Orpeus App

Create the Orpeus App and pass path variable for Symphony static assets.

orpheusApp({ path: './static/assets/' }).then( app => {
  window.app = app
  ...
})

Functions

setSize

Call setSize to resize or adapt the canvas.

app.setSize(window.innerWidth, window.innerHeight)
window.addEventListener('resize', () => app.setSize(window.innerWidth, window.innerHeight))

setDate

Call setDate to start from particular date.

app.setDate(date)

goToPrevBlock

Call goToPrevBlock to navigate to previous block.

app.goToPrevBlock()

goToNextBlock

Call goToNextBlock to navigate to next block.

app.goToNextBlock()

resetDayView

Call resetDayView cancel block selection.

app.resetDayView()

destroy

Call destroy() to stop the application and free memory. The app cannot be run after this.

app.destroy()

Events

dayChanged

Event called when day gets changed.

app.on('dayChanged', ({ date, input, output, fee }) => {
  console.log('dayChanged');
  console.log('date: '+date+', input '+input+', output: '+output+', fee: '+fee+'');
})

blockSelected

Event called when a block is selected.

app.on('blockSelected', ({ bits, fee, feeToInputRatio, hash, height, input, n_tx, output, size, time }) => {
  console.log('blockSelected');
  console.log('bits: '+bits+', fee '+fee+', feeToInputRatio: '+feeToInputRatio+', hash: '+hash+', height: '+height+', input: '+input+', n_tx: '+n_tx+', output: '+output+', size: '+size+', time: '+time+'');
})

blockUnselected

Event called when a block is deselected.

app.on('blockUnselected', _ => {
  ...
})

blockMouseOver

Event called when a mouse pointer is over one block.

app.on('blockMouseOver', data => {
  console.log('blockMouseOver');
  console.log(data);
})

blockMouseOut

Event called when a mouse pointer leaves block.

app.on('blockMouseOut', _ => {
  ...
})

Code Style

This repository uses standard to maintain code style and consistency, and to avoid style arguments. npm test runs standard automatically, so you don't have to!

Ivkaa/symphony

URL