mirror of
https://github.com/TecharoHQ/anubis.git
synced 2026-04-14 20:48:44 +00:00
fix: disable broken wasm interpreter flow for now
Signed-off-by: Xe Iaso <me@xeiaso.net>
This commit is contained in:
Xe Iaso
@@ -13,101 +13,20 @@ interface ProcessOptions {
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const getHardwareConcurrency = () =>
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const getHardwareConcurrency = () =>
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navigator.hardwareConcurrency !== undefined ? navigator.hardwareConcurrency : 1;
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navigator.hardwareConcurrency !== undefined ? navigator.hardwareConcurrency : 1;
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// // https://stackoverflow.com/questions/47879864/how-can-i-check-if-a-browser-supports-webassembly
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// https://stackoverflow.com/questions/47879864/how-can-i-check-if-a-browser-supports-webassembly
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// const isWASMSupported = (() => {
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const isWASMSupported = (() => {
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// try {
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try {
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// if (typeof WebAssembly === "object"
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if (typeof WebAssembly === "object"
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// && typeof WebAssembly.instantiate === "function") {
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&& typeof WebAssembly.instantiate === "function") {
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// const module = new WebAssembly.Module(Uint8Array.of(0x0, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00));
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const module = new WebAssembly.Module(Uint8Array.of(0x0, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00));
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// if (module instanceof WebAssembly.Module)
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if (module instanceof WebAssembly.Module)
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// return new WebAssembly.Instance(module) instanceof WebAssembly.Instance;
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return new WebAssembly.Instance(module) instanceof WebAssembly.Instance;
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// }
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}
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// } catch (e) {
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} catch (e) {
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// return false;
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return false;
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// }
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}
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// return false;
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return false;
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// })();
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})();
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// const fetchWASMBinary = async (url: string): Promise<Uint8Array> => {
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// const res = await fetch(url);
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// if (!res.ok) throw new Error('failed to fetch the wasm binary');
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// const wasmBytes = new Uint8Array(await res.arrayBuffer());
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// return wasmBytes;
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// };
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// const runPureJS = (
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// options: ProcessOptions,
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// data: string,
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// difficulty: number = 5,
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// signal: AbortSignal | null = null,
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// progressCallback?: ProgressCallback,
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// threads: number = Math.trunc(Math.max(getHardwareConcurrency() / 2, 1)),
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// ): Promise<string> => {
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// const { basePrefix, version, algorithm } = options;
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// return new Promise(async (resolve, reject) => {
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// const module = await fetchWASMBinary(u(`${basePrefix}/.within.website/x/cmd/anubis/static/wasm/baseline/${algorithm}.wasm?cacheBuster=${version}`));
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// const jsCode = compile(module, true);
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// progressCallback != undefined && progressCallback("Using pure JS mode, this will be slow");
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// console.log(jsCode);
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// const webWorkerURL = `${options.basePrefix}/.within.website/x/cmd/anubis/static/js/worker/wasm.mjs?cacheBuster=${version}`;
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// const workers: Worker[] = [];
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// let settled = false;
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// const onAbort = () => {
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// console.log("PoW aborted");
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// cleanup();
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// reject(new DOMException("Aborted", "AbortError"));
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// };
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// const cleanup = () => {
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// if (settled) {
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// return;
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// }
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// settled = true;
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// workers.forEach((w) => w.terminate());
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// if (signal != null) {
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// signal.removeEventListener("abort", onAbort);
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// }
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// };
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// if (signal != null) {
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// if (signal.aborted) {
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// return onAbort();
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// }
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// signal.addEventListener("abort", onAbort, { once: true });
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// }
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// for (let i = 0; i < threads; i++) {
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// let worker = new Worker(webWorkerURL);
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// worker.onmessage = (event) => {
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// if (typeof event.data === "number") {
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// progressCallback?.(event.data);
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// } else {
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// cleanup();
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// resolve(event.data);
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// }
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// }
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// worker.onerror = (event) => {
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// cleanup();
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// reject(event);
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// }
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// worker.postMessage({
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// data,
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// difficulty,
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// nonce: i,
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// threads,
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// jsCode,
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// });
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// }
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// });
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// }
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export default function process(
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export default function process(
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options: ProcessOptions,
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options: ProcessOptions,
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@@ -119,16 +38,9 @@ export default function process(
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): Promise<string> {
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): Promise<string> {
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const { basePrefix, version, algorithm } = options;
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const { basePrefix, version, algorithm } = options;
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// if (!isWASMSupported) {
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if (!isWASMSupported) {
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// return runPureJS(
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throw new Error("WebAssembly is not supported on this platform. Please report ALL details about your browser, environment, OS, CPU, device vendor, and other details to https://github.com/TecharoHQ/anubis/issues/1116. Remember: being polite means you get this fixed.");
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// options,
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}
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// data,
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// difficulty,
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// signal,
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// progressCallback,
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// threads,
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// )
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// }
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return new Promise(async (resolve, reject) => {
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return new Promise(async (resolve, reject) => {
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let wasmFeatures = "baseline";
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let wasmFeatures = "baseline";
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@@ -1,107 +0,0 @@
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import { instantiate } from '@haribala/wasm2js';
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export interface Args {
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data: string;
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difficulty: number;
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nonce: number;
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threads: number;
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jsCode: string;
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}
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interface AnubisExports {
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anubis_work: (difficulty: number, initialNonce: number, threads: number) => number;
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data_ptr: () => number;
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result_hash_ptr: () => number;
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result_hash_size: () => number;
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set_data_length: (len: number) => void;
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memory: any;
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}
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addEventListener("message", async (event: MessageEvent<Args>) => {
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const { data, difficulty, threads, jsCode } = event.data;
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let { nonce } = event.data;
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const importObject = {
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anubis: {
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anubis_update_nonce: (nonce: number) => postMessage(nonce),
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}
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};
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if (nonce !== 0) {
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importObject.anubis.anubis_update_nonce = (_) => { };
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}
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const instance = instantiate(jsCode, importObject);
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const {
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anubis_work,
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data_ptr,
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result_hash_ptr,
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result_hash_size,
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set_data_length,
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memory
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} = instance.exports as unknown as AnubisExports;
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function uint8ArrayToHex(arr: Uint8Array) {
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return Array.from(arr)
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.map((c) => c.toString(16).padStart(2, "0"))
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.join("");
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}
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function hexToUint8Array(hexString: string): Uint8Array {
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// Remove whitespace and optional '0x' prefix
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hexString = hexString.replace(/\s+/g, '').replace(/^0x/, '');
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// Check for valid length
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if (hexString.length % 2 !== 0) {
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throw new Error('Invalid hex string length');
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}
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// Check for valid characters
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if (!/^[0-9a-fA-F]+$/.test(hexString)) {
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throw new Error('Invalid hex characters');
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}
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// Convert to Uint8Array
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const byteArray = new Uint8Array(hexString.length / 2);
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for (let i = 0; i < byteArray.length; i++) {
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const byteValue = parseInt(hexString.substr(i * 2, 2), 16);
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byteArray[i] = byteValue;
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}
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return byteArray;
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}
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// Write data to buffer
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function writeToBuffer(data: Uint8Array) {
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if (data.length > 1024) throw new Error("Data exceeds buffer size");
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// Get pointer and create view
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const offset = data_ptr();
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const buffer = new Uint8Array(memory.buffer, offset, data.length);
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// Copy data
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buffer.set(data);
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// Set data length
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set_data_length(data.length);
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}
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function readFromChallenge() {
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const offset = result_hash_ptr();
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const buffer = new Uint8Array(memory.buffer, offset, result_hash_size());
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return buffer;
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}
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writeToBuffer(hexToUint8Array(data));
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nonce = anubis_work(difficulty, nonce, threads);
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const challenge = readFromChallenge();
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const result = uint8ArrayToHex(challenge);
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postMessage({
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hash: result,
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difficulty,
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nonce,
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});
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});
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