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63 lines
1.2 KiB
JavaScript
63 lines
1.2 KiB
JavaScript
/* global dcodeIO, pow */
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/* eslint-disable strict */
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const functions = {
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stringToArrayBufferBase64,
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arrayBufferToStringBase64,
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calcPoW,
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};
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onmessage = async e => {
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const [jobId, fnName, ...args] = e.data;
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try {
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const fn = functions[fnName];
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if (!fn) {
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throw new Error(`Worker: job ${jobId} did not find function ${fnName}`);
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}
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const result = await fn(...args);
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postMessage([jobId, null, result]);
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} catch (error) {
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const errorForDisplay = prepareErrorForPostMessage(error);
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postMessage([jobId, errorForDisplay]);
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}
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};
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function prepareErrorForPostMessage(error) {
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if (!error) {
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return null;
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}
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if (error.stack) {
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return error.stack;
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}
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return error.message;
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}
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function stringToArrayBufferBase64(string) {
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return dcodeIO.ByteBuffer.wrap(string, 'base64').toArrayBuffer();
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}
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function arrayBufferToStringBase64(arrayBuffer) {
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return dcodeIO.ByteBuffer.wrap(arrayBuffer).toString('base64');
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}
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function calcPoW(
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timestamp,
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ttl,
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pubKey,
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data,
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difficulty = undefined,
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increment = 1,
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startNonce = 0
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) {
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return pow.calcPoW(
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timestamp,
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ttl,
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pubKey,
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data,
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difficulty,
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increment,
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startNonce
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);
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}
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