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exports.bitcoin = {
  messagePrefix: '\x18Bitcoin Signed Message:\n',
  bech32: 'bc',
  bip32: {
    public: 0x0488b21e,
    private: 0x0488ade4,
  },
  pubKeyHash: 0x00,
  scriptHash: 0x05,
  wif: 0x80,

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function base64Encode (buf) {
  let string = '';
  (new Uint8Array(buf)).forEach(
      (byte) => { string += String.fromCharCode(byte) }
    )
  return btoa(string)
}

function base64Decode (string) {
  string = atob(string);

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    _format_color = (color) => { // Supports #fff (short rgb), #fff0 (short rgba), #e2e2e2 (full rgb) and #e2e2e2ff (full rgba)

        const hex = color || "#00000000";
        const hex_length = hex.length;

        if(hex_length === 9) {

            return hex;

        } else if (hex_length === 7) {

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_get_filters = () => {

        return {
            ".1997": {
                "a": Uint8ClampedArray.of(0, 1, 3, 4, 6, 7, 9, 10, 12, 13, 14, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 37, 38, 39, 41, 42, 44, 45, 46, 48, 49, 50, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 70, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 146, 147, 148, 149, 150, 151, 152, 153, 153, 154, 155, 156, 157, 158, 159, 160, 160, 161, 162, 163, 164, 165, 166, 166, 167, 168, 169, 170, 171, 172, 172, 173, 174, 175, 176, 177, 178, 178, 179, 180, 181, 182, 183, 183, 184, 185, 186, 187, 188, 188, 189, 190, 191, 192, 193, 193, 194, 195, 196, 197, 198, 199, 199, 200, 201, 202, 203, 204, 204, 205, 206, 207, 

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_get_pixels_palette_and_list_from_image_data = (image_data) => {
  
        const image_data_data = image_data.data;
        let new_pxl_colors = [];
        let new_pxl_colors_set = new Set();
        let new_pxls = new Array(image_data.width * image_data.height);

        for (let i = 0; i < image_data_data.length; i += 4) {

            const color_hex = this._get_hex_color_from_rgba_values(image_data_data[index], image_data_data[index+1], image_data_data[index+2], image_data_data[index+3]);

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// CONST:
// imgd_data (you get img_data using a canvas, please get familiar with canvas)
// no_transparent (Boolean to know which file format to use)
// pxl_width (Simply width of the image)
// pxl_height (Simply height of the image)
// resize_width (Which size of width will it get at the end?)

try { // Can work in Web Worker so you can run it on a CPU thread different from the main one which doesn't freeze the UI

    var imgd = null;

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// CLIENT-SIDE

function postJSON(url, payload, callback_function, content_type = "application/x-www-form-urlencoded") {

    // This function is required because JSON is weird with some char
    function clean_json_text(json_text) {

        json_text = json_text.replace(/\\n/g, "\\n")
            .replace(/\\'/g, "\\'")
            .replace(/\\"/g, '\\"')

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/*
* The MIT License (MIT)
*
* Copyright (c) 2023 Affolter Matias
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2023 Affolter Matias
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is

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/*
The MIT License (MIT)

Copyright (c) 2023 Matias Affolter

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is