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use browser websocket in browser #1112

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merged 2 commits into from
Oct 16, 2024
Merged

use browser websocket in browser #1112

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f0f26ce
fix: fallback to built-in WebSocket constructor when running in the b…
SewerynKras Oct 16, 2024
0443c17
test: test transferring data in the browser
SewerynKras Oct 16, 2024
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2 changes: 1 addition & 1 deletion examples/web/hello.html
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,7 @@ <h3>Results</h3>
await glm.connect();
appendResults("Request for renting a provider machine");
const rental = await glm.oneOf({ order });
appendResults("Rented resources from", rental.agreement.provider.name);
appendResults("Rented resources from " + rental.agreement.provider.name);
await rental
.getExeUnit()
.then(async (exe) =>
Expand Down
150 changes: 150 additions & 0 deletions examples/web/transfer-data.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,150 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Requestor in browser</title>
<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css"
integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN"
crossorigin="anonymous"
/>
</head>
<body>
<div class="container">
<h1 class="pb-4">Transfer some data to the provider, process it there and download the result</h1>
<div class="row pb-4">
<h3>Options</h3>
<div id="options" class="row">
<div class="col-4 form-group">
<label for="YAGNA_APPKEY">Yagna AppKey: </label>
<input id="YAGNA_APPKEY" class="form-control" type="text" value="" />
</div>
<div class="col-4 form-group">
<label for="YAGNA_API_BASEPATH">Yagna Api Url: </label>
<input id="YAGNA_API_BASEPATH" class="form-control" type="text" value="http://127.0.0.1:7465" />
</div>
</div>
<div class="row pb-4">
<div class="col-4 form-group">
<label for="IMAGE_TAG">Image Tag: </label>
<input id="IMAGE_TAG" type="text" class="form-control" value="golem/alpine:latest" />
</div>
<div class="col-4 form-group">
<label for="SUBNET_TAG">Subnet Tag: </label>
<input id="SUBNET_TAG" type="text" class="form-control" value="public" />
</div>
<div class="col-4 form-group">
<label for="PAYMENT_NETWORK">Payment Network: </label>
<input id="PAYMENT_NETWORK" type="text" class="form-control" value="holesky" />
</div>
</div>
</div>
<div class="row pb-4">
<div class="form-group">
<label for="DATA">Data to be processed: </label>
<textarea id="DATA" class="form-control" rows="2">Hello Golem!</textarea>
</div>
</div>
<div class="row pb-4">
<h3>Actions</h3>
<div>
<button id="transfer-data" class="btn btn-primary" onclick="run()">Process file on the provider</button>
</div>
</div>
<div class="row">
<div class="alert alert-info" role="alert">
<h4 class="alert-heading">Debugging</h4>
<p>You can see <code>@golem-sdk/golem-js</code> logs in your browser&apos;s <code>console</code> :)</p>
</div>
<h3>Results</h3>
<div class="col">
<ul id="results"></ul>
</div>
</div>
</div>

<script type="module">
import { GolemNetwork } from "https://unpkg.com/@golem-sdk/golem-js";

// This line allows you to watch golem-js internal logs in the browser console!
localStorage.debug = "golem-js:*";

export function appendResults(result) {
const resultsEl = document.getElementById("results");
const li = document.createElement("li");
li.appendChild(document.createTextNode(result));
resultsEl.appendChild(li);
}

async function run() {
const key = document.getElementById("YAGNA_APPKEY").value;

if (!key) {
alert("You didn't provide your Yagna AppKey");
return;
}

const url = document.getElementById("YAGNA_API_BASEPATH").value;
const subnetTag = document.getElementById("SUBNET_TAG").value;
const imageTag = document.getElementById("IMAGE_TAG").value;
const network = document.getElementById("PAYMENT_NETWORK").value;

// Define the order that we're going to place on the market
const order = {
demand: {
workload: {
imageTag,
},
subnetTag,
},
market: {
rentHours: 0.5,
pricing: {
model: "linear",
maxStartPrice: 0.5,
maxCpuPerHourPrice: 1.0,
maxEnvPerHourPrice: 0.5,
},
},
payment: { network },
};

const glm = new GolemNetwork({
api: { key, url },
});

glm.payment.events.on("invoiceAccepted", ({ invoice }) => appendResults(`Total cost: ${invoice.amount} GLM`));

try {
appendResults("Establishing a connection to the Golem Network");
await glm.connect();
appendResults("Request for renting a provider machine");
const rental = await glm.oneOf({ order });
appendResults("Rented resources from " + rental.agreement.provider.name);
await rental.getExeUnit().then(async (exe) => {
appendResults("Uploading some data to the provider");
const data = document.getElementById("DATA").value;
await exe.uploadData(new TextEncoder().encode(data), "/golem/work/input.txt");
appendResults("Processing the data on the provider");
await exe.run(
"cat /golem/work/input.txt | tr '[:upper:][:lower:]' '[:lower:][:upper:]' > /golem/work/output.txt",
);
appendResults("Downloading the result");
const result = await exe.downloadData("/golem/work/output.txt");
appendResults("Result: " + new TextDecoder().decode(result.data));
});
appendResults("Finished all work with the resources");
await rental.stopAndFinalize();
appendResults("Finalized renting process");
} catch (err) {
console.error("Failed to run the example", err);
} finally {
await glm.disconnect();
}
}

window.run = run;
</script>
</body>
</html>
17 changes: 13 additions & 4 deletions src/shared/storage/ws.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,9 @@ import { encode, toObject } from "flatbuffers/js/flexbuffers.js";
import * as jsSha3 from "js-sha3";
import { defaultLogger, isBrowser, Logger, YagnaApi } from "../utils";
import { GolemInternalError, GolemUserError } from "../error/golem-error";
import WebSocket from "ws";
import NodeWebSocket from "ws";

type WebSocketLike = NodeWebSocket | WebSocket;

// FIXME: cannot import fs/promises because the rollup polyfill doesn't work with it
import * as fs from "fs";
Expand Down Expand Up @@ -256,9 +258,16 @@ export class WebSocketStorageProvider implements StorageProvider {
};
}

private async createSocket(fileInfo: GftpFileInfo, components: string[]): Promise<WebSocket> {
private getWsConstructor() {
if (isBrowser) {
return WebSocket;
}
return NodeWebSocket;
}

private async createSocket(fileInfo: GftpFileInfo, components: string[]): Promise<WebSocketLike> {
const service = await this.createService(fileInfo, components);
const ws = new WebSocket(service.url, ["gsb+flexbuffers"]);
const ws = new (this.getWsConstructor())(service.url, ["gsb+flexbuffers"]);
ws.addEventListener("error", () => {
this.logger.error(`Socket Error (${fileInfo.id})`);
});
Expand Down Expand Up @@ -287,7 +296,7 @@ export class WebSocketStorageProvider implements StorageProvider {
await this.yagnaApi.gsb.unbindServices(id);
}

private respond(ws: WebSocket, id: string, payload: unknown) {
private respond(ws: WebSocketLike, id: string, payload: unknown) {
ws.send(
encode({
id,
Expand Down
13 changes: 13 additions & 0 deletions tests/cypress/ui/transfer-data.cy.ts
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@@ -0,0 +1,13 @@
describe("Transfer data example", () => {
it("should run the example", () => {
cy.visit("/transfer-data");
cy.get("#YAGNA_APPKEY").clear().type(Cypress.env("YAGNA_APPKEY"));
cy.get("#YAGNA_API_BASEPATH").clear().type(Cypress.env("YAGNA_API_BASEPATH"));
cy.get("#SUBNET_TAG").clear().type(Cypress.env("YAGNA_SUBNET"));
cy.get("#PAYMENT_NETWORK").clear().type(Cypress.env("PAYMENT_NETWORK"));
cy.get("#DATA").clear().type("Hello Golem!");
cy.get("#transfer-data").click();
cy.get("#results").should("include.text", "hELLO gOLEM!", { timeout: 60000 });
cy.get("#results").should("include.text", "Finalized renting process", { timeout: 10000 });
});
});