trezor-wallet/src/actions/constants/blockchain.js

/* @flow */

export const READY: 'backend__ready' = 'backend__ready';
export const CONNECTING: 'backend__connecting' = 'backend__connecting';
export const CONNECTED: 'backend__connected' = 'backend__connected';
export const DISCONNECTED: 'backend__disconnected' = 'backend__disconnected';