graemecode

//SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.6.8;
pragma experimental ABIEncoderV2;

import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {
    ReentrancyGuard
} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";

adactio

// Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// http://creativecommons.org/publicdomain/zero/1.0/

// Pass in an array of numbers ranging from 0 to 20.

function playSparkline(notes) {
    if (!window.AudioContext && !window.webkitAudioContext) {
        return;
    }
    var playing = null;