Computes the difficulty of the dark-gravity-wave.

$ npm install --save dark-gravity-wave-js

var dgw = require('dark-gravity-wave');

dgw.difficulty(lastInputs);
// -> '4da3b7c5ff698c6546564ebc72204f31885cd87b75b2b3ca5a93b5d75db85b8c'

Type: array

Get the difficulty. The array must contain the last 25 blocks.

Type: array, int (default 150)

Get the difficulty for dark-gravity-wave's other than dash's 150 second block time.