@airgap/coinlib-core/utils/xxhash.js

The @airgap/coinlib-core is a protocol agnostic library to prepare, sign and broadcast cryptocurrency transactions.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.xxhashAsHex = void 0;
var xxhash = require("../dependencies/src/xxhashjs-0.2.2/lib/index");
var hex_1 = require("./hex");
function xxhashAsHex(data, bitLength, config) {
    if (config === void 0) { config = { littleEndian: true, withPrefix: false }; }
    var chunks = Math.ceil(bitLength / 64);
    var buffer = typeof data === 'string' && (0, hex_1.isHex)(data) ? Buffer.from(data, 'hex') : Buffer.from(data);
    var hex = '';
    for (var seed = 0; seed < chunks; seed++) {
        var hash = (0, hex_1.toHexStringRaw)(xxhash.h64(buffer, seed), 64);
        hex += config.littleEndian ? (0, hex_1.changeEndianness)(hash) : hash;
    }
    return config.withPrefix ? (0, hex_1.addHexPrefix)(hex) : hex;
}
exports.xxhashAsHex = xxhashAsHex;
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