feat: add blake3 hasher

package.json

@@ -56,6 +56,7 @@
     "@libp2p/websockets": "^9.0.11",
     "@libp2p/webtransport": "^5.0.16",
     "@multiformats/dns": "^1.0.6",
+    "@noble/hashes": "^1.5.0",
     "@sgtpooki/file-type": "^1.0.1",
     "helia": "^5.1.0",
     "ipfs-css": "^1.4.0",

src/lib/blake3.ts

@@ -0,0 +1,8 @@
+import { blake3 as b3 } from '@noble/hashes/blake3'
+import { from } from 'multiformats/hashes/hasher'
+
+export const blake3 = from({
+  name: 'blake3',
+  code: 0x1e, // Code for blake3 from https://github.com/multiformats/multicodec/blob/352d05ad430713088e867216152725f581387bc8/table.csv#L21
+  encode: (input) => b3(input)
+})

src/lib/get-verified-fetch.ts

@@ -18,6 +18,7 @@ import { dnsJsonOverHttps } from '@multiformats/dns/resolvers'
 import { createHelia, type Helia, type Routing } from 'helia'
 import { createLibp2p, type Libp2pOptions } from 'libp2p'
 import * as libp2pInfo from 'libp2p/version'
+import { blake3 } from './blake3.js'
 import { contentTypeParser } from './content-type-parser.js'
 import type { ConfigDb } from './config-db.js'
 import type { ComponentLogger } from '@libp2p/logger'
@@ -52,6 +53,8 @@ export async function getVerifiedFetch (config: ConfigDb, logger: ComponentLogge
     blockBrokers.push(trustlessGateway())
   }
 
+  const hashers = [blake3]
+
   let helia: Helia
   if (config.enableWss || config.enableWebTransport) {
     // If we are using websocket or webtransport, we need to instantiate libp2p
@@ -65,6 +68,7 @@ export async function getVerifiedFetch (config: ConfigDb, logger: ComponentLogge
       libp2p,
       routers,
       blockBrokers,
+      hashers,
       dns: dnsConfig
     })
   } else {
@@ -81,6 +85,7 @@ export async function getVerifiedFetch (config: ConfigDb, logger: ComponentLogge
     helia = await createHeliaHTTP({
       routers,
       blockBrokers,
+      hashers,
       dns: dnsConfig
     })
   }