ref(ipos): /pinFile car file to v0 cid

Author: hassnian

package.json

@@ -12,5 +12,10 @@
   "engines": {
     "pnpm": ">=9",
     "node": ">=20"
+  },
+  "pnpm": {
+    "patchedDependencies": {
+      "[email protected]": "patches/[email protected]"
+    }
   }
 }

patches/[email protected]

@@ -0,0 +1,12 @@
+diff --git a/dist/esm/pack/index.js b/dist/esm/pack/index.js
+index 97e262734c587f31b89aeaf370d11bb4760f33f0..fe0f34ce16a9a5a79174a0d9f7a33c6d63a9e637 100644
+--- a/dist/esm/pack/index.js
++++ b/dist/esm/pack/index.js
+@@ -13,6 +13,7 @@ export async function pack({ input, blockstore: userBlockstore, hasher, maxChunk
+     // Consume the source
+     const rootEntry = await last(pipe(getNormaliser(input), (source) => importer(source, blockstore, {
+         ...unixfsImporterOptionsDefault,
++        cidVersion: 0,
+         hasher: hasher || unixfsImporterOptionsDefault.hasher,
+         maxChunkSize: maxChunkSize || unixfsImporterOptionsDefault.maxChunkSize,
+         maxChildrenPerNode: maxChildrenPerNode || unixfsImporterOptionsDefault.maxChildrenPerNode,

pnpm-lock.yaml

@@ -4,7 +4,7 @@
 		"enabled": true
 	},
 	"files": {
-		"ignore": ["node_modules", ".wrangler", ".papi"]
+		"ignore": ["node_modules", ".wrangler", ".papi", "patches"]
 	},
 	"linter": {
 		"enabled": true,

services/ipos/biome.json

@@ -22,7 +22,7 @@
 		"@aws-sdk/client-s3": "^3.609.0",
 		"@hono/valibot-validator": "^0.2.5",
 		"hono": "^4.4.12",
-		"ipfs-car": "^0.9.0",
+		"ipfs-car": "0.9.2",
 		"ipfs-only-hash": "^4.0.0",
 		"ipfs-unixfs-importer": "^15.2.5",
 		"multiformats": "^13.1.3",

services/ipos/package.json

@@ -66,8 +66,7 @@ app.post('/pinFile', vValidator('form', pinFileRequestSchema), async (c) => {
 	const s3 = getS3(c)
 
 	let cid: string
-	let file: Uint8Array | File
-	let size: number
+	let file: Blob | File
 	let type: string
 
 	if (files.length > 1) {
@@ -78,9 +77,8 @@ app.post('/pinFile', vValidator('form', pinFileRequestSchema), async (c) => {
 			})),
 		)
 
-		cid = root.toString() as string
+		cid = root.toString()
 		file = car
-		size = file.byteLength
 		type = 'directory'
 
 		await s3.putObject({
@@ -97,7 +95,6 @@ app.post('/pinFile', vValidator('form', pinFileRequestSchema), async (c) => {
 		cid = (await hashOf(content)).toV0().toString()
 
 		file = f
-		size = f.size
 		type = f.type
 
 		await s3.putObject({
@@ -114,7 +111,7 @@ app.post('/pinFile', vValidator('form', pinFileRequestSchema), async (c) => {
 		getPinResponse({
 			cid: cid,
 			type: type,
-			size: size,
+			size: file.size,
 		}),
 	)
 })

services/ipos/src/routes/pinning.ts

@@ -1,27 +1,18 @@
-import { MemoryBlockStore } from 'ipfs-car/blockstore/memory'
-import { pack } from 'ipfs-car/pack'
+// Patch: `ipfs-car` library has been patched to work with CID v0 which is not supported by the original implementation.
+// see `import { pack } from 'ipfs-car/pack'`
+import { packToBlob } from 'ipfs-car/pack/blob'
 import type { CID } from 'multiformats'
 
 export default async function toCar(
 	input: { path: string; content: Uint8Array }[],
 ) {
-	const { root, out } = await pack({
+	const { root, car } = await packToBlob({
 		input: input,
-		blockstore: new MemoryBlockStore(),
 		wrapWithDirectory: true,
 	})
 
-	const chunks = []
-	for await (const chunk of out) {
-		chunks.push(chunk)
-	}
-
-	const car = new Uint8Array(
-		chunks.reduce((acc, chunk) => acc.concat(Array.from(chunk)), []),
-	)
-
 	return {
 		root: root as CID,
-		car,
+		car: car as Blob,
 	}
 }