mirror of https://codeberg.org/pzp/pzp-db.git
24 lines
554 B
JavaScript
24 lines
554 B
JavaScript
const blake3 = require('blake3')
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const b4a = require('b4a')
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const base58 = require('bs58')
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// @ts-ignore
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const stringify = require('json-canon')
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/**
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* @typedef {Buffer | Uint8Array} B4A
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*/
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/**
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* @param {any} data
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* @returns {[string, number]}
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*/
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function representData(data) {
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const dataBuf = b4a.from(stringify(data), 'utf8')
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const fullHash = /** @type {B4A} */ (blake3.hash(dataBuf))
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const dataHash = base58.encode(fullHash.subarray(0, 16))
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const dataSize = dataBuf.length
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return [dataHash, dataSize]
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}
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module.exports = representData
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