@etherspot/data-utils
Version:
Etherspot Data Utils
138 lines (134 loc) • 4.01 kB
JavaScript
// node_modules/@noble/hashes/esm/crypto.js
var crypto = typeof globalThis === "object" && "crypto" in globalThis ? globalThis.crypto : void 0;
// node_modules/@noble/hashes/esm/_assert.js
function anumber(n) {
if (!Number.isSafeInteger(n) || n < 0)
throw new Error("positive integer expected, got " + n);
}
function isBytes(a) {
return a instanceof Uint8Array || ArrayBuffer.isView(a) && a.constructor.name === "Uint8Array";
}
function abytes(b, ...lengths) {
if (!isBytes(b))
throw new Error("Uint8Array expected");
if (lengths.length > 0 && !lengths.includes(b.length))
throw new Error("Uint8Array expected of length " + lengths + ", got length=" + b.length);
}
function ahash(h) {
if (typeof h !== "function" || typeof h.create !== "function")
throw new Error("Hash should be wrapped by utils.wrapConstructor");
anumber(h.outputLen);
anumber(h.blockLen);
}
function aexists(instance, checkFinished = true) {
if (instance.destroyed)
throw new Error("Hash instance has been destroyed");
if (checkFinished && instance.finished)
throw new Error("Hash#digest() has already been called");
}
function aoutput(out, instance) {
abytes(out);
const min = instance.outputLen;
if (out.length < min) {
throw new Error("digestInto() expects output buffer of length at least " + min);
}
}
// node_modules/@noble/hashes/esm/utils.js
function u32(arr) {
return new Uint32Array(arr.buffer, arr.byteOffset, Math.floor(arr.byteLength / 4));
}
function createView(arr) {
return new DataView(arr.buffer, arr.byteOffset, arr.byteLength);
}
function rotr(word, shift) {
return word << 32 - shift | word >>> shift;
}
var isLE = /* @__PURE__ */ (() => new Uint8Array(new Uint32Array([287454020]).buffer)[0] === 68)();
function byteSwap(word) {
return word << 24 & 4278190080 | word << 8 & 16711680 | word >>> 8 & 65280 | word >>> 24 & 255;
}
function byteSwap32(arr) {
for (let i = 0; i < arr.length; i++) {
arr[i] = byteSwap(arr[i]);
}
}
function utf8ToBytes(str) {
if (typeof str !== "string")
throw new Error("utf8ToBytes expected string, got " + typeof str);
return new Uint8Array(new TextEncoder().encode(str));
}
function toBytes(data) {
if (typeof data === "string")
data = utf8ToBytes(data);
abytes(data);
return data;
}
function concatBytes(...arrays) {
let sum = 0;
for (let i = 0; i < arrays.length; i++) {
const a = arrays[i];
abytes(a);
sum += a.length;
}
const res = new Uint8Array(sum);
for (let i = 0, pad = 0; i < arrays.length; i++) {
const a = arrays[i];
res.set(a, pad);
pad += a.length;
}
return res;
}
var Hash = class {
// Safe version that clones internal state
clone() {
return this._cloneInto();
}
};
function wrapConstructor(hashCons) {
const hashC = (msg) => hashCons().update(toBytes(msg)).digest();
const tmp = hashCons();
hashC.outputLen = tmp.outputLen;
hashC.blockLen = tmp.blockLen;
hashC.create = () => hashCons();
return hashC;
}
function wrapXOFConstructorWithOpts(hashCons) {
const hashC = (msg, opts) => hashCons(opts).update(toBytes(msg)).digest();
const tmp = hashCons({});
hashC.outputLen = tmp.outputLen;
hashC.blockLen = tmp.blockLen;
hashC.create = (opts) => hashCons(opts);
return hashC;
}
function randomBytes(bytesLength = 32) {
if (crypto && typeof crypto.getRandomValues === "function") {
return crypto.getRandomValues(new Uint8Array(bytesLength));
}
if (crypto && typeof crypto.randomBytes === "function") {
return crypto.randomBytes(bytesLength);
}
throw new Error("crypto.getRandomValues must be defined");
}
export {
anumber,
abytes,
ahash,
aexists,
aoutput,
u32,
createView,
rotr,
isLE,
byteSwap32,
toBytes,
concatBytes,
Hash,
wrapConstructor,
wrapXOFConstructorWithOpts,
randomBytes
};
/*! Bundled license information:
@noble/hashes/esm/utils.js:
(*! noble-hashes - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
*/
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