fix: upload client should perform filecoin offer

packages/upload-client/package.json

@@ -76,6 +76,7 @@
     "@ucanto/transport": "^9.1.0",
     "@web3-storage/capabilities": "workspace:^",
     "@web3-storage/data-segment": "^5.1.0",
+    "@web3-storage/filecoin-client": "workspace:^",
     "ipfs-utils": "^9.0.14",
     "multiformats": "^12.1.2",
     "p-retry": "^5.1.2",

packages/upload-client/src/index.js

@@ -1,4 +1,5 @@
 import * as PieceHasher from '@web3-storage/data-segment/multihash'
+import { Storefront } from '@web3-storage/filecoin-client'
 import * as Link from 'multiformats/link'
 import * as raw from 'multiformats/codecs/raw'
 import * as Store from './store.js'
@@ -129,7 +130,30 @@ async function uploadBlockStream(conf, blocks, options = {}) {
           const multihashDigest = await hasher.digest(bytes)
           /** @type {import('@web3-storage/capabilities/types').PieceLink} */
           const piece = Link.create(raw.code, multihashDigest)
+
+          // Invoke store/add and write bytes to write target
           const cid = await Store.add(conf, bytes, options)
+          // Invoke filecoin/offer for data
+          const result = await Storefront.filecoinOffer(
+            {
+              issuer: conf.issuer,
+              audience: conf.audience,
+              // Resource of invocation is the issuer did for being self issued
+              with: conf.issuer.did(),
+              proofs: conf.proofs,
+            },
+            cid,
+            piece,
+            options
+          )
+
+          if (result.out.error) {
+            throw new Error(
+              'failed to offer piece for aggregation into filecoin deal',
+              { cause: result.out.error }
+            )
+          }
+
           const { version, roots, size } = car
           controller.enqueue({ version, roots, size, cid, piece })
         },

packages/upload-client/src/types.ts

@@ -44,6 +44,7 @@ import {
   UsageReportSuccess,
   UsageReportFailure,
 } from '@web3-storage/capabilities/types'
+import { StorefrontService } from '@web3-storage/filecoin-client/storefront'
 import { code as pieceHashCode } from '@web3-storage/data-segment/multihash'
 
 type Override<T, R> = Omit<T, keyof R> & R
@@ -93,7 +94,7 @@ export interface ProgressStatus extends XHRProgressStatus {
 
 export type ProgressFn = (status: ProgressStatus) => void
 
-export interface Service {
+export interface Service extends StorefrontService {
   store: {
     add: ServiceMethod<StoreAdd, StoreAddSuccess, Failure>
     get: ServiceMethod<StoreGet, StoreGetSuccess, StoreGetFailure>

packages/upload-client/test/helpers/filecoin.js

@@ -0,0 +1,32 @@
+import * as StorefrontCapabilities from '@web3-storage/capabilities/filecoin/storefront'
+import * as Server from '@ucanto/server'
+
+/**
+ * @param {Server.Signer<`did:${string}:${string}`, Server.API.SigAlg>} id
+ * @param {import('@web3-storage/data-segment').PieceLink} piece
+ * @param {Pick<{ content: Server.API.Link<unknown, number, number, 0 | 1>; piece: import('@web3-storage/data-segment').PieceLink; }, 'content' | 'piece'>} args
+ */
+export async function getFilecoinOfferResponse(id, piece, args) {
+  // Create effect for receipt with self signed queued operation
+  const submitfx = await StorefrontCapabilities.filecoinSubmit
+    .invoke({
+      issuer: id,
+      audience: id,
+      with: id.did(),
+      nb: args,
+      expiration: Infinity,
+    })
+    .delegate()
+
+  const acceptfx = await StorefrontCapabilities.filecoinAccept
+    .invoke({
+      issuer: id,
+      audience: id,
+      with: id.did(),
+      nb: args,
+      expiration: Infinity,
+    })
+    .delegate()
+
+  return Server.ok({ piece }).fork(submitfx.link()).join(acceptfx.link())
+}

packages/upload-client/test/helpers/mocks.js

@@ -9,6 +9,7 @@ const notImplemented = () => {
  *   store: Partial<import('../../src/types.js').Service['store']>
  *   upload: Partial<import('../../src/types.js').Service['upload']>
  *   usage: Partial<import('../../src/types.js').Service['usage']>
+ *   filecoin: Partial<import('@web3-storage/filecoin-client/storefront').StorefrontService['filecoin']>
  * }>} impl
  */
 export function mockService(impl) {
@@ -28,6 +29,12 @@ export function mockService(impl) {
     usage: {
       report: withCallCount(impl.usage?.report ?? notImplemented),
     },
+    filecoin: {
+      offer: withCallCount(impl.filecoin?.offer ?? notImplemented),
+      submit: withCallCount(impl.filecoin?.submit ?? notImplemented),
+      accept: withCallCount(impl.filecoin?.accept ?? notImplemented),
+      info: withCallCount(impl.filecoin?.info ?? notImplemented),
+    },
   }
 }