mirror of
https://github.com/ditatompel/xmr-remote-nodes.git
synced 2025-04-09 21:16:28 +07:00
Christian Ditaputratama
0e3dc04af8
Wraps IPv6 host in square brackets, returns as-is for domain names or IPv4 addresses.
76 lines
2.5 KiB
JavaScript
76 lines
2.5 KiB
JavaScript
/**
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* Modifies the input string based on whether it is an IPv6 address.
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* If the input is an IPv6 address, it wraps it in square brackets `[ ]`.
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* Otherwise, it returns the input string as-is (for domain names or
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* IPv4 addresses). AND I'M SORRY USING REGEX FOR THIS!
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*
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* @param {string} hostname
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* @returns {string} - The modified string, IPv6 addresses wrapped in `[ ]`.
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*/
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export const formatHostname = (hostname) => {
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// const ipv6Pattern = /^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/; // full
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// pattern for both full and compressed IPv6 addresses.
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// source: https://regex101.com/library/cP9mH9?filterFlavors=dotnet&filterFlavors=javascript&orderBy=RELEVANCE&search=ip
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// This may be incorrect, but let's assume it's correct. xD
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const ipv6Pattern =
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/^(([0-9A-Fa-f]{1,4}:){7})([0-9A-Fa-f]{1,4})$|(([0-9A-Fa-f]{1,4}:){1,6}:)(([0-9A-Fa-f]{1,4}:){0,4})([0-9A-Fa-f]{1,4})$/;
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if (ipv6Pattern.test(hostname)) {
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return `[${hostname}]`;
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}
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return hostname;
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};
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/**
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* @param {number} bytes
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* @param {number} decimals
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* @returns {string}
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*/
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export const formatBytes = (bytes, decimals = 2) => {
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if (!+bytes) return '0 Bytes';
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const k = 1024;
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const dm = decimals < 0 ? 0 : decimals;
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const sizes = ['Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return `${parseFloat((bytes / Math.pow(k, i)).toFixed(dm))} ${sizes[i]}`;
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};
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/**
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* Returns a number with a maximum precision.
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*
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* This function was copied from jtgrassie/monero-pool project.
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* Source: https://github.com/jtgrassie/monero-pool/blob/master/src/webui-embed.html
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*
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* Copyright (c) 2018, The Monero Project
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*
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* @param {number} n
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* @param {number} p
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*/
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const maxPrecision = (n, p) => {
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return parseFloat(n.toFixed(p));
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};
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/**
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* Formats a hash value (h) into human readable format.
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*
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* This function was copied from jtgrassie/monero-pool project.
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* Source: https://github.com/jtgrassie/monero-pool/blob/master/src/webui-embed.html
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*
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* Copyright (c) 2018, The Monero Project
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*
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* @param {number} h
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*/
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export const formatHashes = (h) => {
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if (h < 1e-12) return '0 H';
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else if (h < 1e-9) return maxPrecision(h * 1e12, 0) + ' pH';
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else if (h < 1e-6) return maxPrecision(h * 1e9, 0) + ' nH';
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else if (h < 1e-3) return maxPrecision(h * 1e6, 0) + ' μH';
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else if (h < 1) return maxPrecision(h * 1e3, 0) + ' mH';
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else if (h < 1e3) return h + ' H';
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else if (h < 1e6) return maxPrecision(h * 1e-3, 2) + ' KH';
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else if (h < 1e9) return maxPrecision(h * 1e-6, 2) + ' MH';
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else return maxPrecision(h * 1e-9, 2) + ' GH';
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};
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