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chore: use w3up client final version (#190)
Needs to wire a server to serve a receipt agent message so that we can finish the upload blob flow, given this uses a server also for storing data
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import { CarWriter } from '@ipld/car' | ||
| import * as CAR from '@ucanto/transport/car' | ||
| import { CID } from 'multiformats/cid' | ||
| import * as raw from 'multiformats/codecs/raw' | ||
| import { sha256 } from 'multiformats/hashes/sha2' | ||
|
|
||
| /** @param {number} size */ | ||
| export async function randomBytes(size) { | ||
| const bytes = new Uint8Array(size) | ||
| while (size) { | ||
| const chunk = new Uint8Array(Math.min(size, 65_536)) | ||
| if (!globalThis.crypto) { | ||
| try { | ||
| const { webcrypto } = await import('node:crypto') | ||
| webcrypto.getRandomValues(chunk) | ||
| } catch (err) { | ||
| throw new Error( | ||
| 'unknown environment - no global crypto and not Node.js', | ||
| { cause: err } | ||
| ) | ||
| } | ||
| } else { | ||
| crypto.getRandomValues(chunk) | ||
| } | ||
| size -= chunk.length | ||
| bytes.set(chunk, size) | ||
| } | ||
| return bytes | ||
| } | ||
|
|
||
| /** @param {number} size */ | ||
| export async function randomCAR(size) { | ||
| const bytes = await randomBytes(size) | ||
| return toCAR(bytes) | ||
| } | ||
|
|
||
| /** @param {Uint8Array} bytes */ | ||
| export async function toBlock(bytes) { | ||
| const hash = await sha256.digest(bytes) | ||
| const cid = CID.createV1(raw.code, hash) | ||
| return { cid, bytes } | ||
| } | ||
|
|
||
| /** | ||
| * @param {Uint8Array} bytes | ||
| */ | ||
| export async function toCAR(bytes) { | ||
| const block = await toBlock(bytes) | ||
| const { writer, out } = CarWriter.create(block.cid) | ||
| writer.put(block) | ||
| writer.close() | ||
|
|
||
| const chunks = [] | ||
| for await (const chunk of out) { | ||
| chunks.push(chunk) | ||
| } | ||
| const blob = new Blob(chunks) | ||
| const cid = await CAR.codec.link(new Uint8Array(await blob.arrayBuffer())) | ||
|
|
||
| return Object.assign(blob, { cid, roots: [block.cid] }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import http from 'http' | ||
| import { once } from 'events' | ||
|
|
||
| import { parseLink } from '@ucanto/server' | ||
| import * as Signer from '@ucanto/principal/ed25519' | ||
| import { Receipt, Message } from '@ucanto/core' | ||
| import * as CAR from '@ucanto/transport/car' | ||
| import { Assert } from '@web3-storage/content-claims/capability' | ||
| import { randomCAR } from './random.js' | ||
|
|
||
| /** | ||
| * @typedef {{ | ||
| * server: http.Server | ||
| * serverURL: URL | ||
| * }} TestingServer | ||
| */ | ||
|
|
||
| /** | ||
| * @returns {Promise<TestingServer>} | ||
| */ | ||
| export async function createReceiptsServer() { | ||
| /** | ||
| * @param {http.IncomingMessage} request | ||
| * @param {http.ServerResponse} response | ||
| */ | ||
| const listener = async (request, response) => { | ||
| const taskCid = request.url?.split('/')[1] ?? '' | ||
| const body = await generateReceipt(taskCid) | ||
| response.writeHead(200) | ||
| response.end(body) | ||
| return undefined | ||
| } | ||
|
|
||
| const server = http.createServer(listener).listen() | ||
|
|
||
| await once(server, 'listening') | ||
|
|
||
| return { | ||
| server, | ||
| // @ts-expect-error | ||
| serverURL: new URL(`http://127.0.0.1:${server.address().port}`), | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} taskCid | ||
| */ | ||
| const generateReceipt = async (taskCid) => { | ||
| const issuer = await Signer.generate() | ||
| const content = (await randomCAR(128)).cid | ||
| const locationClaim = await Assert.location.delegate({ | ||
| issuer, | ||
| audience: issuer, | ||
| with: issuer.toDIDKey(), | ||
| nb: { | ||
| content, | ||
| location: ['http://localhost'], | ||
| }, | ||
| expiration: Infinity, | ||
| }) | ||
|
|
||
| const receipt = await Receipt.issue({ | ||
| issuer, | ||
| fx: { | ||
| fork: [locationClaim], | ||
| }, | ||
| ran: parseLink(taskCid), | ||
| result: { | ||
| ok: { | ||
| site: locationClaim.link(), | ||
| }, | ||
| }, | ||
| }) | ||
|
|
||
| const message = await Message.build({ | ||
| receipts: [receipt], | ||
| }) | ||
| return CAR.request.encode(message).body | ||
| } |