chore(release): 0.2.0-develop.41 [skip ci]

# [0.2.0-develop.41](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.40...v0.2.0-develop.41) (2023-11-17)
Merge remote-tracking branch 'origin/develop' into develop
2023-11-17 13:45:06 +00:00 · 2023-11-17 08:44:10 -05:00 · 2023-11-17 08:44:06 -05:00 · 2023-10-19 21:02:15 +00:00 · 2023-10-19 17:00:56 -04:00 · 2023-10-19 17:00:52 -04:00
16 changed files with 20798 additions and 31023 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -1,45 +0,0 @@
-version: 2.1
-
-orbs:
-    node: circleci/node@5.1.0
-    ssh: credijusto/ssh@0.5.2
-workflows:
-    release:
-        jobs:
-            -   node/run:
-                    name: build
-                    npm-run: build
-                    post-steps:
-                        -   persist_to_workspace:
-                                root: .
-                                paths:
-                                    - lib/
-
-                    filters:
-                        branches:
-                            only:
-                                - master
-                                - develop
-                                - /^develop-.*$/
-            -   node/run:
-                    name: release
-                    npm-run: semantic-release
-                    requires:
-                        - build
-                    filters:
-                        branches:
-                            only:
-                                - master
-                                - develop
-                                - /^develop-.*$/
-
-                    context:
-                        - publish
-                    setup:
-                        -  attach_workspace:
-                            at: ./
-                        -   add_ssh_keys:
-                                fingerprints:
-                                    - "47:cf:a1:17:d9:81:8e:c5:51:e5:53:c8:33:e4:33:b9"
-                        -   ssh/ssh-add-host:
-                                host_url: GITEA_HOST
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -0,0 +1,52 @@
+name: Build/Publish
+
+on:
+    push:
+        branches:
+            - master
+            - develop
+            - develop-*
+    workflow_dispatch:
+        inputs:
+            debug_enabled:
+                description: debug_enabled
+                type: boolean
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            -   uses: actions/checkout@v3
+            -   name: Use Node.js
+                uses: actions/setup-node@v3
+                with:
+                    node-version: 18.x
+                    cache: 'npm'
+            -  name: Setup Golang
+               uses: actions/setup-go@v4
+               with:
+                 go-version: 1.19
+            -   name: Setup Golang
+                run: |
+                    VERSION=0.28.1;
+                    TINYGO="tinygo_${VERSION}_amd64.deb";
+                    wget -q https://github.com/tinygo-org/tinygo/releases/download/v$VERSION/$TINYGO;
+                    sudo dpkg -i $TINYGO && rm $TINYGO;
+            -   name: Fetch Wasm Deps
+                run: cd src/golang && go get
+            -   run: npm ci
+            -   run: npm run build --if-present
+            -   name: Install SSH key
+                uses: shimataro/ssh-key-action@v2
+                with:
+                    key: ${{ secrets.GITEA_SSH_KEY }}
+                    known_hosts: ${{ secrets.GITEA_KNOWN_HOST }}
+
+            -   name: Publish
+                run: npm run semantic-release
+                env:
+                    NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+            -   name: Setup tmate session
+                uses: mxschmitt/action-tmate@v3
+                if: ${{ github.event_name == 'workflow_dispatch' && inputs.debug_enabled && failure() }}
+                with:
+                    limit-access-to-actor: true
--- a/.presetterrc.json
+++ b/.presetterrc.json
@ -1,22 +1,6 @@
 {
    "preset": [
-        "presetter-preset-essentials",
-        "presetter-preset-hybrid"
-    ],
-    "config": {
-        "tsconfig": {
-            "compilerOptions": {
-                "lib": [
-                    "ES2020",
-                    "dom"
+        "presetter-preset-hybrid",
+        "@lumeweb/node-library-preset"
    ]
-            }
-        },
-        "prettier": {
-            "singleQuote": false
-        }
-    },
-    "variable": {
-        "source": "src"
-    }
 }
--- a/.releaserc
+++ b/.releaserc
@ -1,32 +0,0 @@
-{
-    "plugins": [
-        "@semantic-release/commit-analyzer",
-        "@semantic-release/release-notes-generator",
-        [
-            "@semantic-release/changelog",
-            {
-                "changelogFile": "docs/CHANGELOG.md"
-            }
-        ],
-        "@semantic-release/git",
-        {
-            "assets": [
-                "package.json",
-                "docs/CHANGELOG.md",
-                "npm-shrinkwrap.json"
-            ]
-        },
-        "@semantic-release/npm"
-    ],
-    "branches": [
-        "master",
-        {
-            name: "develop",
-            prerelease: true
-        },
-        {
-            name: "develop-*",
-            prerelease: true
-        },
-    ]
-}
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -0,0 +1,130 @@
+# [0.2.0-develop.41](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.40...v0.2.0-develop.41) (2023-11-17)
+
+# [0.2.0-develop.40](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.39...v0.2.0-develop.40) (2023-10-19)
+
+
+### Features
+
+* add getter for jwtSessionKey ([9954616](https://git.lumeweb.com/LumeWeb/libportal/commit/9954616f5a80b6f04e7b14aa67cf106733e9d75c))
+
+# [0.2.0-develop.39](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.38...v0.2.0-develop.39) (2023-09-20)
+
+# [0.2.0-develop.38](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.37...v0.2.0-develop.38) (2023-09-11)
+
+# [0.2.0-develop.37](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.36...v0.2.0-develop.37) (2023-09-11)
+
+# [0.2.0-develop.36](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.35...v0.2.0-develop.36) (2023-09-09)
+
+# [0.2.0-develop.35](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.34...v0.2.0-develop.35) (2023-09-09)
+
+# [0.2.0-develop.34](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.33...v0.2.0-develop.34) (2023-09-08)
+
+# [0.2.0-develop.33](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.32...v0.2.0-develop.33) (2023-09-08)
+
+# [0.2.0-develop.32](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.31...v0.2.0-develop.32) (2023-09-08)
+
+# [0.2.0-develop.31](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.30...v0.2.0-develop.31) (2023-09-08)
+
+# [0.2.0-develop.30](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.29...v0.2.0-develop.30) (2023-09-08)
+
+# [0.2.0-develop.29](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.28...v0.2.0-develop.29) (2023-09-08)
+
+# [0.2.0-develop.28](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.27...v0.2.0-develop.28) (2023-09-07)
+
+# [0.2.0-develop.27](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.26...v0.2.0-develop.27) (2023-09-07)
+
+# [0.2.0-develop.26](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.25...v0.2.0-develop.26) (2023-09-07)
+
+# [0.2.0-develop.25](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.24...v0.2.0-develop.25) (2023-09-04)
+
+# [0.2.0-develop.24](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.23...v0.2.0-develop.24) (2023-09-04)
+
+# [0.2.0-develop.23](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.22...v0.2.0-develop.23) (2023-09-03)
+
+# [0.2.0-develop.22](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.21...v0.2.0-develop.22) (2023-09-03)
+
+# [0.2.0-develop.21](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.20...v0.2.0-develop.21) (2023-09-03)
+
+
+### Bug Fixes
+
+* use switch to module in package.json ([b6722cf](https://git.lumeweb.com/LumeWeb/libportal/commit/b6722cf98d347095815532b3923eefb42deb2f0a))
+
+# [0.2.0-develop.20](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.19...v0.2.0-develop.20) (2023-09-02)
+
+
+### Bug Fixes
+
+* check for only undefined or null on the size ([bd10837](https://git.lumeweb.com/LumeWeb/libportal/commit/bd108376ba33bb3c6b5c25606c5ed032e292e911))
+
+# [0.2.0-develop.19](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.18...v0.2.0-develop.19) (2023-09-02)
+
+
+### Bug Fixes
+
+* fix encodeCid overload typings ([2eb5810](https://git.lumeweb.com/LumeWeb/libportal/commit/2eb5810dec17413ef68f282e9d884bcd867f520d))
+
+# [0.2.0-develop.18](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.17...v0.2.0-develop.18) (2023-09-02)
+
+# [0.2.0-develop.17](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.16...v0.2.0-develop.17) (2023-08-10)
+
+
+### Bug Fixes
+
+* refactor how we process a nodejs stream, as the current approach is extremely slow and wasteful. We need to do a bit of macgyvering and convert it via pipe to a passthrough so it passes a typeof check for Stream, then import it to form-data Response, and request a blob ([ae35797](https://git.lumeweb.com/LumeWeb/libportal/commit/ae35797a2525d23ac9a552d076a9904e68a7a142))
+
+# [0.2.0-develop.16](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.15...v0.2.0-develop.16) (2023-07-18)
+
+
+### Features
+
+* add portalUrl getter ([0d0b2d4](https://git.lumeweb.com/LumeWeb/libportal/commit/0d0b2d4799a277c25f39673a10e4351c1991536c))
+
+# [0.2.0-develop.15](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.14...v0.2.0-develop.15) (2023-07-18)
+
+
+### Bug Fixes
+
+* further wasm loading fixes ([d7d146b](https://git.lumeweb.com/LumeWeb/libportal/commit/d7d146b78d3737b17baf45bb4dd2dcf8fc7cbe8d))
+
+# [0.2.0-develop.14](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.13...v0.2.0-develop.14) (2023-07-18)
+
+
+### Bug Fixes
+
+* async loading quirk in firefox js engine ([ea90488](https://git.lumeweb.com/LumeWeb/libportal/commit/ea9048868a4323da810bf139a083daf3ed5d79f7))
+
+# [0.2.0-develop.13](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.12...v0.2.0-develop.13) (2023-07-18)
+
+
+### Bug Fixes
+
+* switch to using utf8ToBytes ([37fd754](https://git.lumeweb.com/LumeWeb/libportal/commit/37fd7543afe5f06e3193e24cb2c3390c848faadb))
+
+# [0.2.0-develop.12](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.11...v0.2.0-develop.12) (2023-07-08)
+
+
+### Bug Fixes
+
+* add ?init query string for vite bundler ([04bd963](https://git.lumeweb.com/LumeWeb/libportal/commit/04bd9636a3fc70f5d23b5e61add7fb3d18604d27))
+
+# [0.2.0-develop.11](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.10...v0.2.0-develop.11) (2023-06-26)
+
+
+### Bug Fixes
+
+* update uploadFile return type ([848f3df](https://git.lumeweb.com/LumeWeb/libportal/commit/848f3dff9d55e6c08779ae3696c6053d406d2f32))
+
+# [0.2.0-develop.10](https://git.lumeweb.com/LumeWeb/libportal/compare/v0.2.0-develop.9...v0.2.0-develop.10) (2023-06-26)
+
+
+### Bug Fixes
+
+* add missing controller.enqueue ([2aa53fa](https://git.lumeweb.com/LumeWeb/libportal/commit/2aa53faf00cc7024a24dc97fffaeb855faa4e650))
+* add properties and methods to go wasm middleware, accessed via reflection ([53dd352](https://git.lumeweb.com/LumeWeb/libportal/commit/53dd352c95fec8ec266a53c03f19cecbecf8821b))
+* ensure root and proof are Uint8Array's ([0c320f9](https://git.lumeweb.com/LumeWeb/libportal/commit/0c320f992bdf269614716b51818ed7063086c01c))
+* exit not properly exported in wasm ([23a55f7](https://git.lumeweb.com/LumeWeb/libportal/commit/23a55f772b7dde7712742ee5f47a5fda5bb8afd2))
+* fix wasmDone logic error ([68fec66](https://git.lumeweb.com/LumeWeb/libportal/commit/68fec66069721a6dc94027419ddd2cafbc877cbc))
+* need to refactor verification stream logic further and check if the stream is done but wasm isn't ([051f4b2](https://git.lumeweb.com/LumeWeb/libportal/commit/051f4b2da75ab2287c99a3514af5d0d4f28017bf))
+* rename exit to kill to fix symbol conflict ([50a7c80](https://git.lumeweb.com/LumeWeb/libportal/commit/50a7c803584b57e4e294aca117fc1e8b9a2a09c7))
+* update uploadFile overload types ([45fbc1b](https://git.lumeweb.com/LumeWeb/libportal/commit/45fbc1b63d2c19e186d6f21b022fee62be61866a))
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
--- a/package.json
+++ b/package.json
@ -1,9 +1,8 @@
 {
    "name": "@lumeweb/libportal",
-    "version": "0.1.0",
+    "version": "0.2.0-develop.41",
    "main": "lib/index.js",
-    "module": "lib/index.mjs",
-    "types": "lib/index.d.ts",
+    "type": "module",
    "repository": {
        "type": "git",
        "url": "gitea@git.lumeweb.com:LumeWeb/libportal.git"
@ -16,24 +15,26 @@
        "./package.json": "./package.json"
    },
    "devDependencies": {
+        "@lumeweb/node-library-preset": "^0.2.7",
        "@semantic-release/changelog": "^6.0.3",
        "@semantic-release/commit-analyzer": "^10.0.1",
        "@semantic-release/git": "^10.0.1",
        "@semantic-release/npm": "^10.0.4",
        "@semantic-release/release-notes-generator": "^11.0.3",
-        "presetter": "^3.5.5",
-        "presetter-preset-essentials": "^3.5.5",
-        "presetter-preset-hybrid": "^3.5.5",
+        "presetter": "^4.0.1",
+        "presetter-preset-hybrid": "4.0.1",
+        "presetter-preset-strict": "^4.0.1",
        "semantic-release": "^21.0.5"
    },
    "readme": "ERROR: No README data found!",
-    "_id": "@lumeweb/libportal@0.1.0",
    "scripts": {
        "prepare": "presetter bootstrap",
-        "build": "presetter run build",
+        "build": "run build",
+        "build:wasm": "bash -c \"source ~/.gvm/scripts/gvm; mkdir ./lib/wasm && cd src/golang; tinygo build -o ../../lib/wasm/bao.wasm -target wasm ./main.go\"",
        "semantic-release": "semantic-release"
    },
    "dependencies": {
+        "@lumeweb/libs5": "^0.1.0-develop.61",
        "@noble/curves": "^1.1.0",
        "@noble/hashes": "^1.3.1",
        "detect-node": "^2.1.0",
--- a/src/cid.ts
+++ b/src/cid.ts
@ -1,74 +0,0 @@
-import { base58btc } from "multiformats/bases/base58";
-import * as edUtils from "@noble/curves/abstract/utils";
-
-export const MAGIC_BYTES = new Uint8Array([0x26, 0x1f]);
-
-export interface CID {
-  hash: Uint8Array;
-  size: bigint;
-}
-
-export function encodeCid(hash: Uint8Array, size: bigint);
-export function encodeCid(hash: string, size: bigint);
-export function encodeCid(hash: any, size: bigint) {
-  if (typeof hash === "string") {
-    hash = edUtils.hexToBytes(hash);
-  }
-
-  if (!(hash instanceof Uint8Array)) {
-    throw new Error();
-  }
-
-  if (!size) {
-    throw new Error("size required");
-  }
-
-  size = BigInt(size);
-
-  const sizeBytes = new Uint8Array(8);
-  const sizeView = new DataView(sizeBytes.buffer);
-  sizeView.setBigInt64(0, size, true);
-
-  const prefixedHash = Uint8Array.from([...MAGIC_BYTES, ...hash, ...sizeBytes]);
-  return base58btc.encode(prefixedHash).toString();
-}
-
-export function decodeCid(cid: string): CID {
-  let bytes = base58btc.decode(cid);
-
-  if (!arrayBufferEqual(bytes.slice(0, 2).buffer, bytes.buffer)) {
-    throw new Error("Invalid cid");
-  }
-
-  bytes = bytes.slice(2);
-  let cidHash = bytes.slice(0, 32);
-  let size = bytes.slice(32);
-  const sizeView = new DataView(size.buffer);
-
-  return {
-    hash: cidHash,
-    size: sizeView.getBigInt64(0, true),
-  };
-}
-
-function arrayBufferEqual(buf1, buf2) {
-  if (buf1 === buf2) {
-    return true;
-  }
-
-  if (buf1.byteLength !== buf2.byteLength) {
-    return false;
-  }
-
-  var view1 = new DataView(buf1);
-  var view2 = new DataView(buf2);
-
-  var i = buf1.byteLength;
-  while (i--) {
-    if (view1.getUint8(i) !== view2.getUint8(i)) {
-      return false;
-    }
-  }
-
-  return true;
-}
--- a/src/client.ts
+++ b/src/client.ts
@ -2,13 +2,6 @@ import { ed25519 as ed } from "@noble/curves/ed25519";
 import * as edUtils from "@noble/curves/abstract/utils";

 import { RegisterRequest } from "./requests/account.js";
-import fetch, {
-  FormData,
-  Blob,
-  RequestInit,
-  Response,
-  HeadersInit,
-} from "node-fetch";
 import {
  LoginRequest,
  LogoutRequest,
@ -21,24 +14,29 @@ import {
  UploadStatusResponse,
 } from "./responses/files.js";

-import TUS from "tus-js-client";
+import * as TUS from "tus-js-client";
 import streamToBlob from "stream-to-blob";

 import defer from "p-defer";
 import { blake3 } from "@noble/hashes/blake3";
-import { encodeCid } from "./cid.js";
-import { Readable as NodeReadableStream } from "stream";
 import {
  AuthStatusResponse,
  LoginResponse,
  PubkeyChallengeResponse,
 } from "./responses/auth.js";
+import isNode from "detect-node";
+import { utf8ToBytes } from "@noble/curves/abstract/utils";
+import { CID, CID_TYPES } from "@lumeweb/libs5";
+
+type NodeReadableStreamType = typeof import("stream").Readable;
+type NodePassThroughStreamType = typeof import("stream").PassThrough;

 export interface ClientOptions {
  portalUrl: string;
  email?: string;
  password?: string;
  privateKey?: Uint8Array;
+  jwt?: string;
 }

 interface FetchOptions {
@ -62,6 +60,10 @@ export class Client {
      throw new Error("Portal url is required");
    }

+    if (options.jwt) {
+      this.jwtSessionKey = options.jwt;
+    }
+
    this._options = options;
  }

@ -69,6 +71,10 @@ export class Client {
    return this._options.email as string;
  }

+  get portalUrl(): string {
+    return this._options.portalUrl as string;
+  }
+
  set email(email: string) {
    this._options.email = email;
  }
@ -77,6 +83,10 @@ export class Client {
    return this._options.password as string;
  }

+  get jwt(): string | undefined {
+    return this.jwtSessionKey;
+  }
+
  set password(password: string) {
    this._options.email = password;
  }
@ -105,6 +115,10 @@ export class Client {
  }

  async login(): Promise<LoginResponse> {
+    if (this._options.privateKey) {
+      return this.loginPubkey();
+    }
+
    return this.post<LoginResponse>("/api/v1/auth/login", {
      email: this._options.email,
      password: this._options.password,
@ -131,7 +145,7 @@ export class Client {
    return json.status as boolean;
  }

-  async loginPubkey(): Promise<void> {
+  async loginPubkey(): Promise<LoginResponse> {
    if (!this._options.privateKey) {
      throw new Error("Private key is required");
    }
@ -144,7 +158,7 @@ export class Client {
    );

    const signature = ed.sign(
-      new TextEncoder().encode(challenge.challenge),
+      utf8ToBytes(challenge.challenge),
      this._options.privateKey,
    );

@ -158,6 +172,8 @@ export class Client {
    );

    this.jwtSessionKey = loginRet.token;
+
+    return { token: loginRet.token };
  }

  logout(request: LogoutRequest): Promise<void> {
@ -186,6 +202,7 @@ export class Client {
  }

  async downloadProof(cid: string): Promise<ArrayBuffer> {
+    const Response = await this.getFetchResponseObject();
    return await new Response(
      await this.get<any>(`/api/v1/files/proof/${cid}`, {
        auth: true,
@ -206,13 +223,27 @@ export class Client {
    if (options.data) {
      fetchOptions.body = options.data;

-      if (!(fetchOptions.body instanceof FormData)) {
+      const _FormData = await this.getFormDataObject();
+
+      if (!(fetchOptions.body instanceof _FormData)) {
        fetchOptions.headers["Content-Type"] = "application/json";
        fetchOptions.body = JSON.stringify(fetchOptions.body);
+      } else {
+        if (isNode) {
+          const formDataToBlob = (
+            await import("formdata-polyfill/formdata-to-blob.js")
+          ).formDataToBlob;
+          const Blob = (await import("node-fetch")).Blob;
+          const blob = formDataToBlob(fetchOptions.body, Blob);
+          // @ts-ignore
+          fetchOptions.body = Buffer.from(await blob.arrayBuffer());
+          fetchOptions.headers["Content-Type"] = blob.type;
+        }
      }
    }

-    const response = await fetch(this.getEndpoint(path), fetchOptions);
+    const fetch = await this.getFetchObject();
+    const response = await fetch(this.getEndpoint(path), fetchOptions as any);

    if (!options.fullResponse) {
      if (!response.ok) {
@ -261,23 +292,21 @@ export class Client {
    );
  }

-  async uploadFile(stream: Blob, size?: bigint);
+  async uploadFile(stream: Blob, size?: bigint): Promise<CID>;
  async uploadFile(
    stream: ReadableStream,
    hashStream: ReadableStream,
    size: bigint,
-  );
-  async uploadFile(stream: Uint8Array, size?: bigint);
+  ): Promise<CID>;
+  async uploadFile(stream: Uint8Array, size?: bigint): Promise<CID>;
  async uploadFile(
    stream: NodeJS.ReadableStream,
    hashStream: NodeJS.ReadableStream,
    size?: bigint,
-  );
-  async uploadFile(
-    stream: any,
-    hashStream?: any,
-    size?: bigint,
-  ): Promise<string> {
+  ): Promise<CID>;
+  async uploadFile(stream: any, hashStream?: any, size?: bigint): Promise<CID> {
+    const Blob = await this.getBlobObject();
+
    if (stream instanceof Uint8Array || stream instanceof Blob) {
      size = BigInt(stream.length);
    }
@ -295,36 +324,47 @@ export class Client {
    return this.uploadFileTus(stream, hashStream, size);
  }

-  private async uploadFileSmall(stream: Blob): Promise<string>;
+  private async uploadFileSmall(stream: Blob): Promise<CID>;
  private async uploadFileSmall(
    stream: ReadableStream,
    hashStream: ReadableStream,
-  ): Promise<string>;
-  private async uploadFileSmall(stream: Uint8Array): Promise<string>;
-  private async uploadFileSmall(stream: NodeJS.ReadableStream): Promise<string>;
-  private async uploadFileSmall(stream: any): Promise<string> {
+  ): Promise<CID>;
+  private async uploadFileSmall(stream: Uint8Array): Promise<CID>;
+  private async uploadFileSmall(stream: NodeJS.ReadableStream): Promise<CID>;
+  private async uploadFileSmall(stream: any): Promise<CID> {
+    const Blob = await this.getBlobObject();
+
    if (stream instanceof ReadableStream) {
      stream = await streamToBlob(stream);
    }

-    if (stream instanceof NodeReadableStream) {
-      let data = new Uint8Array();
-      for await (const chunk of stream) {
-        data = Uint8Array.from([...data, ...chunk]);
-      }
+    let NodeReadableStream =
+      (await this.getNodeReadableObject()) as NodeReadableStreamType;

-      stream = data;
+    let NodePassThroughStream =
+      (await this.getNodePassThroughObject()) as NodePassThroughStreamType;
+
+    if (NodeReadableStream && stream instanceof NodeReadableStream) {
+      const Response = await this.getFetchResponseObject();
+      stream = await new Response(
+        stream.pipe(new NodePassThroughStream()) as any,
+      ).blob();
    }

    if (stream instanceof Uint8Array) {
      stream = new Blob([Buffer.from(stream)]);
    }

-    if (!(stream instanceof Blob) && !(stream instanceof NodeReadableStream)) {
+    if (
+      !(stream instanceof Blob) &&
+      !(NodeReadableStream && stream instanceof NodeReadableStream)
+    ) {
      throw new Error("Invalid stream");
    }

-    const formData = new FormData();
+    const _FormData = await this.getFormDataObject();
+
+    const formData = new _FormData();
    formData.set("file", stream as Blob);

    const response = await this.post<UploadResponse>(
@ -333,29 +373,26 @@ export class Client {
      { auth: true },
    );

-    return response.cid;
+    return CID.decode(response.cid);
  }

-  private async uploadFileTus(stream: Blob, size?: bigint): Promise<string>;
+  private async uploadFileTus(stream: Blob, size?: bigint): Promise<CID>;
  private async uploadFileTus(
    stream: ReadableStream,
    hashStream: ReadableStream,
    size?: bigint,
-  ): Promise<string>;
-  private async uploadFileTus(
-    stream: Uint8Array,
-    size?: bigint,
-  ): Promise<string>;
+  ): Promise<CID>;
+  private async uploadFileTus(stream: Uint8Array, size?: bigint): Promise<CID>;
  private async uploadFileTus(
    stream: NodeJS.ReadableStream,
    hashStream: ReadableStream,
    size?: bigint,
-  ): Promise<string>;
+  ): Promise<CID>;
  private async uploadFileTus(
    stream: any,
    hashStream?: any,
    size?: bigint,
-  ): Promise<string> {
+  ): Promise<CID> {
    if (["bigint", "number"].includes(typeof hashStream)) {
      size = BigInt(hashStream);
      hashStream = undefined;
@ -368,7 +405,10 @@ export class Client {
      hash = await this.computeHash(hashStream);
    }

-    if (stream instanceof NodeReadableStream) {
+    let NodeReadableStream =
+      (await this.getNodeReadableObject()) as NodeReadableStreamType;
+
+    if (NodeReadableStream && stream instanceof NodeReadableStream) {
      hash = await this.computeHash(hashStream);
    }

@ -381,7 +421,7 @@ export class Client {
    if (
      !(stream instanceof ReadableStreamDefaultReader) &&
      !(stream instanceof Blob) &&
-      !(stream instanceof NodeReadableStream)
+      !(NodeReadableStream && stream instanceof NodeReadableStream)
    ) {
      throw new Error("Invalid stream");
    }
@ -426,10 +466,10 @@ export class Client {

    await ret.promise;

-    const cid = encodeCid(hash, size as bigint);
+    const cid = CID.fromHash(hash, Number(size));

    while (true) {
-      const status = await this.getUploadStatus(cid as string);
+      const status = await this.getUploadStatus(cid.toString());

      if (status.status === "uploaded") {
        break;
@ -440,7 +480,7 @@ export class Client {
      });
    }

-    return cid as string;
+    return cid;
  }

  async getUploadStatus(cid: string) {
@ -471,7 +511,10 @@ export class Client {
      return edUtils.bytesToHex(hasher.digest());
    }

-    if (stream instanceof NodeReadableStream) {
+    let NodeReadableStream =
+      (await this.getNodeReadableObject()) as NodeReadableStreamType;
+
+    if (NodeReadableStream && stream instanceof NodeReadableStream) {
      const hasher = blake3.create({});

      for await (const chunk of stream) {
@ -489,4 +532,52 @@ export class Client {

    throw new Error("Invalid stream");
  }
+
+  private async getFormDataObject() {
+    if (isNode) {
+      return (await import("node-fetch")).FormData;
+    }
+
+    return FormData;
+  }
+
+  private async getBlobObject() {
+    if (isNode) {
+      return (await import("node-fetch")).Blob;
+    }
+
+    return Blob;
+  }
+
+  private async getNodeReadableObject() {
+    if (isNode) {
+      return (await import("stream")).Readable;
+    }
+
+    return undefined;
+  }
+
+  private async getNodePassThroughObject() {
+    if (isNode) {
+      return (await import("stream")).PassThrough;
+    }
+
+    return undefined;
+  }
+
+  private async getFetchObject() {
+    if (isNode) {
+      return (await import("node-fetch")).default;
+    }
+
+    return fetch;
+  }
+
+  private async getFetchResponseObject() {
+    if (isNode) {
+      return (await import("node-fetch")).Response;
+    }
+
+    return Response;
+  }
 }
--- a/src/go_wasm.ts
+++ b/src/go_wasm.ts
@ -0,0 +1,663 @@
+const encoder = new TextEncoder();
+const decoder = new TextDecoder();
+
+type ImportObject = {
+  wasi_snapshot_preview1: {
+    proc_exit: (code) => void;
+    random_get: (bufPtr, bufLen) => number;
+    fd_seek: () => number;
+    fd_write: (fd, iovs_ptr, iovs_len, nwritten_ptr) => number;
+    fd_close: () => number;
+    fd_fdstat_get: () => number;
+  };
+  env: {
+    "syscall/js.valueInvoke": (
+      ret_addr,
+      v_addr,
+      args_ptr,
+      args_len,
+      args_cap,
+    ) => void;
+    "syscall/js.valueDelete": (v_addr, p_ptr, p_len) => void;
+    "syscall/js.copyBytesToGo": (
+      ret_addr,
+      dest_addr,
+      dest_len,
+      dest_cap,
+      source_addr,
+    ) => void;
+    "syscall/js.valueSet": (v_addr, p_ptr, p_len, x_addr) => void;
+    "syscall/js.copyBytesToJS": (
+      ret_addr,
+      dest_addr,
+      source_addr,
+      source_len,
+      source_cap,
+    ) => void;
+    "syscall/js.valueNew": (
+      ret_addr,
+      v_addr,
+      args_ptr,
+      args_len,
+      args_cap,
+    ) => void;
+    "syscall/js.valueInstanceOf": (v_addr, t_addr) => boolean;
+    "runtime.ticks": () => number;
+    "runtime.sleepTicks": (timeout) => void;
+    "syscall/js.valueLoadString": (
+      v_addr,
+      slice_ptr,
+      slice_len,
+      slice_cap,
+    ) => void;
+    "syscall/js.stringVal": (ret_ptr, value_ptr, value_len) => void;
+    "syscall/js.valueIndex": (ret_addr, v_addr, i) => void;
+    "syscall/js.valueLength": (v_addr) => any;
+    "syscall/js.valueCall": (
+      ret_addr,
+      v_addr,
+      m_ptr,
+      m_len,
+      args_ptr,
+      args_len,
+      args_cap,
+    ) => void;
+    "syscall/js.finalizeRef": (sp) => void;
+    "syscall/js.valueGet": (retval, v_addr, p_ptr, p_len) => void;
+    "syscall/js.valuePrepareString": (ret_addr, v_addr) => void;
+    "syscall/js.valueSetIndex": (v_addr, i, x_addr) => void;
+  };
+};
+
+let logLine: any = [];
+
+export default class Go {
+  private _callbackTimeouts: Map<any, any>;
+  private _nextCallbackTimeoutID: number;
+  private _inst?: any;
+  private _values: any[] = [NaN, 0, null, true, false, global, this];
+  private _ids: Map<any, any> = new Map<any, any>();
+  private _idPool: any[] = [];
+  private _goRefCounts: any[] = [];
+  private exited = false;
+  private _resolveCallbackPromise?: () => void;
+  importObject: ImportObject;
+  private _pendingEvent?: any;
+
+  constructor() {
+    this._callbackTimeouts = new Map();
+    this._nextCallbackTimeoutID = 1;
+
+    const mem = () => {
+      // The buffer may change when requesting more memory.
+      return new DataView(this._inst.exports.memory.buffer);
+    };
+
+    const setInt64 = (addr, v) => {
+      mem().setUint32(addr + 0, v, true);
+      mem().setUint32(addr + 4, Math.floor(v / 4294967296), true);
+    };
+
+    const getInt64 = (addr) => {
+      const low = mem().getUint32(addr + 0, true);
+      const high = mem().getInt32(addr + 4, true);
+      return low + high * 4294967296;
+    };
+
+    const loadValue = (addr) => {
+      const f = mem().getFloat64(addr, true);
+      if (f === 0) {
+        return undefined;
+      }
+      if (!isNaN(f)) {
+        return f;
+      }
+
+      const id = mem().getUint32(addr, true);
+      return this._values[id];
+    };
+
+    const storeValue = (addr, v) => {
+      const nanHead = 0x7ff80000;
+
+      if (typeof v === "number") {
+        if (isNaN(v)) {
+          mem().setUint32(addr + 4, nanHead, true);
+          mem().setUint32(addr, 0, true);
+          return;
+        }
+        if (v === 0) {
+          mem().setUint32(addr + 4, nanHead, true);
+          mem().setUint32(addr, 1, true);
+          return;
+        }
+        mem().setFloat64(addr, v, true);
+        return;
+      }
+
+      switch (v) {
+        case undefined:
+          mem().setFloat64(addr, 0, true);
+          return;
+        case null:
+          mem().setUint32(addr + 4, nanHead, true);
+          mem().setUint32(addr, 2, true);
+          return;
+        case true:
+          mem().setUint32(addr + 4, nanHead, true);
+          mem().setUint32(addr, 3, true);
+          return;
+        case false:
+          mem().setUint32(addr + 4, nanHead, true);
+          mem().setUint32(addr, 4, true);
+          return;
+      }
+
+      let id = this._ids.get(v);
+      if (id === undefined) {
+        id = this._idPool.pop();
+        if (id === undefined) {
+          id = this._values.length;
+        }
+        this._values[id] = v;
+        this._goRefCounts[id] = 0;
+        this._ids.set(v, id);
+      }
+      this._goRefCounts[id]++;
+      let typeFlag = 1;
+      switch (typeof v) {
+        case "string":
+          typeFlag = 2;
+          break;
+        case "symbol":
+          typeFlag = 3;
+          break;
+        case "function":
+          typeFlag = 4;
+          break;
+      }
+      mem().setUint32(addr + 4, nanHead | typeFlag, true);
+      mem().setUint32(addr, id, true);
+    };
+
+    const loadSlice = (array, len, cap?) => {
+      return new Uint8Array(this._inst.exports.memory.buffer, array, len);
+    };
+
+    const loadSliceOfValues = (array, len, cap) => {
+      const a = new Array(len);
+      for (let i = 0; i < len; i++) {
+        a[i] = loadValue(array + i * 8);
+      }
+      return a;
+    };
+
+    const loadString = (ptr, len) => {
+      return decoder.decode(
+        new DataView(this._inst.exports.memory.buffer, ptr, len),
+      );
+    };
+
+    const timeOrigin = Date.now() - performance.now();
+    this.importObject = {
+      wasi_snapshot_preview1: {
+        fd_write: (fd, iovs_ptr, iovs_len, nwritten_ptr) => {
+          let nwritten = 0;
+          if (fd == 1) {
+            for (let iovs_i = 0; iovs_i < iovs_len; iovs_i++) {
+              let iov_ptr = iovs_ptr + iovs_i * 8;
+              let ptr = mem().getUint32(iov_ptr + 0, true);
+              let len = mem().getUint32(iov_ptr + 4, true);
+              nwritten += len;
+              for (let i = 0; i < len; i++) {
+                let c = mem().getUint8(ptr + i);
+                if (c == 13) {
+                  // CR
+                  // ignore
+                } else if (c == 10) {
+                  // LF
+                  // write line
+                  let line = decoder.decode(new Uint8Array(logLine));
+                  logLine = [];
+                  console.log(line);
+                } else {
+                  logLine.push(c);
+                }
+              }
+            }
+          } else {
+            console.error("Invalid file descriptor:", fd);
+          }
+          mem().setUint32(nwritten_ptr, nwritten, true);
+          return 0;
+        },
+        fd_close: () => 0, // dummy
+        fd_fdstat_get: () => 0, // dummy
+        fd_seek: () => 0, // dummy
+        proc_exit: (code) => {
+          if (global.process) {
+            // Node.js
+            process.exit(code);
+          } else {
+            // Can't exit in a browser.
+            throw "Trying to exit with code " + code;
+          }
+        },
+        random_get: (bufPtr, bufLen) => {
+          crypto.getRandomValues(loadSlice(bufPtr, bufLen));
+          return 0;
+        },
+      },
+      env: {
+        "runtime.ticks": () => {
+          return timeOrigin + performance.now();
+        },
+        "runtime.sleepTicks": (timeout) => {
+          setTimeout(this._inst.exports.go_scheduler, timeout);
+        },
+        "syscall/js.finalizeRef": (sp) => {
+          console.error("syscall/js.finalizeRef not implemented");
+        },
+        "syscall/js.stringVal": (ret_ptr, value_ptr, value_len) => {
+          const s = loadString(value_ptr, value_len);
+          storeValue(ret_ptr, s);
+        },
+        "syscall/js.valueGet": (retval, v_addr, p_ptr, p_len) => {
+          let prop = loadString(p_ptr, p_len);
+          let value = loadValue(v_addr);
+          let result = Reflect.get(value, prop);
+          storeValue(retval, result);
+        },
+        "syscall/js.valueSet": (v_addr, p_ptr, p_len, x_addr) => {
+          const v = loadValue(v_addr);
+          const p = loadString(p_ptr, p_len);
+          const x = loadValue(x_addr);
+          Reflect.set(v, p, x);
+        },
+        "syscall/js.valueDelete": (v_addr, p_ptr, p_len) => {
+          const v = loadValue(v_addr);
+          const p = loadString(p_ptr, p_len);
+          Reflect.deleteProperty(v, p);
+        },
+        "syscall/js.valueIndex": (ret_addr, v_addr, i) => {
+          storeValue(ret_addr, Reflect.get(loadValue(v_addr), i));
+        },
+        "syscall/js.valueSetIndex": (v_addr, i, x_addr) => {
+          Reflect.set(loadValue(v_addr), i, loadValue(x_addr));
+        },
+        "syscall/js.valueCall": (
+          ret_addr,
+          v_addr,
+          m_ptr,
+          m_len,
+          args_ptr,
+          args_len,
+          args_cap,
+        ) => {
+          const v = loadValue(v_addr);
+          const name = loadString(m_ptr, m_len);
+          const args = loadSliceOfValues(args_ptr, args_len, args_cap);
+          try {
+            const m = Reflect.get(v, name);
+            storeValue(ret_addr, Reflect.apply(m, v, args));
+            mem().setUint8(ret_addr + 8, 1);
+          } catch (err) {
+            storeValue(ret_addr, err);
+            mem().setUint8(ret_addr + 8, 0);
+          }
+        },
+        "syscall/js.valueInvoke": (
+          ret_addr,
+          v_addr,
+          args_ptr,
+          args_len,
+          args_cap,
+        ) => {
+          try {
+            const v = loadValue(v_addr);
+            const args = loadSliceOfValues(args_ptr, args_len, args_cap);
+            storeValue(ret_addr, Reflect.apply(v, undefined, args));
+            mem().setUint8(ret_addr + 8, 1);
+          } catch (err) {
+            storeValue(ret_addr, err);
+            mem().setUint8(ret_addr + 8, 0);
+          }
+        },
+        "syscall/js.valueNew": (
+          ret_addr,
+          v_addr,
+          args_ptr,
+          args_len,
+          args_cap,
+        ) => {
+          const v = loadValue(v_addr);
+          const args = loadSliceOfValues(args_ptr, args_len, args_cap);
+          try {
+            storeValue(ret_addr, Reflect.construct(v, args));
+            mem().setUint8(ret_addr + 8, 1);
+          } catch (err) {
+            storeValue(ret_addr, err);
+            mem().setUint8(ret_addr + 8, 0);
+          }
+        },
+        "syscall/js.valueLength": (v_addr) => {
+          return loadValue(v_addr).length;
+        },
+        "syscall/js.valuePrepareString": (ret_addr, v_addr) => {
+          const s = String(loadValue(v_addr));
+          const str = encoder.encode(s);
+          storeValue(ret_addr, str);
+          setInt64(ret_addr + 8, str.length);
+        },
+        "syscall/js.valueLoadString": (
+          v_addr,
+          slice_ptr,
+          slice_len,
+          slice_cap,
+        ) => {
+          const str = loadValue(v_addr);
+          loadSlice(slice_ptr, slice_len, slice_cap).set(str);
+        },
+        "syscall/js.valueInstanceOf": (v_addr, t_addr) => {
+          return loadValue(v_addr) instanceof loadValue(t_addr);
+        },
+        "syscall/js.copyBytesToGo": (
+          ret_addr,
+          dest_addr,
+          dest_len,
+          dest_cap,
+          source_addr,
+        ) => {
+          let num_bytes_copied_addr = ret_addr;
+          let returned_status_addr = ret_addr + 4;
+
+          const dst = loadSlice(dest_addr, dest_len, dest_cap);
+          const src = loadValue(source_addr);
+          if (
+            !(src instanceof Uint8Array || src instanceof Uint8ClampedArray)
+          ) {
+            mem().setUint8(returned_status_addr, 0);
+            return;
+          }
+          const toCopy = src.subarray(0, dst.length);
+          dst.set(toCopy);
+          setInt64(num_bytes_copied_addr, toCopy.length);
+          mem().setUint8(returned_status_addr, 1);
+        },
+        "syscall/js.copyBytesToJS": (
+          ret_addr,
+          dest_addr,
+          source_addr,
+          source_len,
+          source_cap,
+        ) => {
+          let num_bytes_copied_addr = ret_addr;
+          let returned_status_addr = ret_addr + 4;
+
+          const dst = loadValue(dest_addr);
+          const src = loadSlice(source_addr, source_len, source_cap);
+          if (
+            !(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)
+          ) {
+            mem().setUint8(returned_status_addr, 0);
+            return;
+          }
+          const toCopy = src.subarray(0, dst.length);
+          dst.set(toCopy);
+          setInt64(num_bytes_copied_addr, toCopy.length);
+          mem().setUint8(returned_status_addr, 1);
+        },
+      },
+    };
+  }
+
+  async run(instance) {
+    this._inst = instance;
+    const mem = new DataView(this._inst.exports.memory.buffer);
+
+    while (true) {
+      const callbackPromise = new Promise((resolve) => {
+        this._resolveCallbackPromise = () => {
+          if (this.exited) {
+            throw new Error("Bad callback: Go program has already exited");
+          }
+          setTimeout(resolve, 0);
+        };
+      });
+      this._inst.exports._start();
+      if (this.exited) {
+        break;
+      }
+      await callbackPromise;
+    }
+  }
+
+  _resume() {
+    if (this.exited) {
+      throw new Error("Go program has already exited");
+    }
+    this._inst.exports.resume();
+  }
+  _makeFuncWrapper(id) {
+    const go = this;
+    return function () {
+      const event = { id: id, this: this, args: arguments };
+      go._pendingEvent = event;
+      go._resume();
+      // @ts-ignore
+      return event.result;
+    };
+  }
+}
+
+if (
+  typeof global !== "undefined" ||
+  typeof window !== "undefined" ||
+  typeof self !== "undefined"
+) {
+  if (typeof global !== "undefined") {
+    // global already exists
+  } else if (typeof window !== "undefined") {
+    window.global = window;
+  } else if (typeof self !== "undefined") {
+    self.global = self;
+  } else {
+    throw new Error(
+      "Cannot export Go (neither global, window nor self is defined)",
+    );
+  }
+
+  if (!global.require && typeof require !== "undefined") {
+    global.require = require;
+  }
+
+  // @ts-ignore
+  if (!global.fs && global.require) {
+    global.fs = require("fs");
+  }
+
+  const enosys = () => {
+    const err = new Error("not implemented");
+    // @ts-ignore
+    err.code = "ENOSYS";
+    return err;
+  };
+
+  if (!global.fs) {
+    let outputBuf = "";
+    global.fs = {
+      constants: {
+        O_WRONLY: -1,
+        O_RDWR: -1,
+        O_CREAT: -1,
+        O_TRUNC: -1,
+        O_APPEND: -1,
+        O_EXCL: -1,
+      },
+      writeSync: (fd, buf) => {
+        outputBuf += decoder.decode(buf);
+        const nl = outputBuf.lastIndexOf("\n");
+        if (nl != -1) {
+          console.log(outputBuf.substr(0, nl));
+          outputBuf = outputBuf.substr(nl + 1);
+        }
+        return buf.length;
+      },
+      write: (fd, buf, offset, length, position, callback) => {
+        if (offset !== 0 || length !== buf.length || position !== null) {
+          callback(enosys());
+          return;
+        }
+        const n = global.fs.writeSync(fd, buf);
+        callback(null, n);
+      },
+      open: (path, flags, mode, callback) => {
+        callback(enosys());
+      },
+      fsync: (fd, callback) => {
+        callback(null);
+      },
+      fdatasync: (fd, callback) => {
+        callback(null);
+      },
+      close: (fd, callback) => {
+        callback(null);
+      },
+      createReadStream: enosys,
+      createWriteStream: enosys,
+      ftruncate: (fd, length, callback) => {
+        callback(enosys());
+      },
+      readFile: (path, callback) => {
+        callback(enosys());
+      },
+      writeFile: (path, data, callback) => {
+        callback(enosys());
+      },
+      truncate: (path, length, callback) => {
+        callback(enosys());
+      },
+      readdir: (path, callback) => {
+        callback(enosys());
+      },
+      unlink: (path, callback) => {
+        callback(enosys());
+      },
+      rmdir: (path, callback) => {
+        callback(enosys());
+      },
+      mkdir: (path, perm, callback) => {
+        callback(enosys());
+      },
+      stat: (path, callback) => {
+        callback(enosys());
+      },
+      lstat: (path, callback) => {
+        callback(enosys());
+      },
+      fstat: (fd, callback) => {
+        callback(enosys());
+      },
+      rename: (oldPath, newPath, callback) => {
+        callback(enosys());
+      },
+      symlink: (target, path, callback) => {
+        callback(enosys());
+      },
+      link: (existingPath, newPath, callback) => {
+        callback(enosys());
+      },
+      readlink: (path, callback) => {
+        callback(enosys());
+      },
+      chmod: (path, mode, callback) => {
+        callback(enosys());
+      },
+      lchmod: (path, mode, callback) => {
+        callback(enosys());
+      },
+      fchmod: (fd, mode, callback) => {
+        callback(enosys());
+      },
+      chown: (path, uid, gid, callback) => {
+        callback(enosys());
+      },
+      lchown: (path, uid, gid, callback) => {
+        callback(enosys());
+      },
+      fchown: (fd, uid, gid, callback) => {
+        callback(enosys());
+      },
+      utimes: (path, atime, mtime, callback) => {
+        callback(enosys());
+      },
+      futimes: (fd, atime, mtime, callback) => {
+        callback(enosys());
+      },
+      realpath: (path, callback) => {
+        callback(enosys());
+      },
+      fallocate: (fd, mode, offset, length, callback) => {
+        callback(enosys());
+      },
+      copyFile: (src, dest, flags, callback) => {
+        callback(enosys());
+      },
+    };
+  }
+
+  if (!global.crypto) {
+    global.crypto = {
+      // @ts-ignore
+      getRandomValues: (arr: number[]) => {
+        for (let i = 0; i < arr.length; i++) {
+          arr[i] = Math.floor(Math.random() * 256);
+        }
+      },
+    };
+  }
+
+  if (!global.performance) {
+    // @ts-ignore
+    global.performance = {
+      now: () => Date.now(),
+    };
+  }
+
+  if (!global.TextEncoder) {
+    global.TextEncoder = TextEncoder;
+  }
+
+  if (!global.TextDecoder) {
+    // @ts-ignore
+    global.TextDecoder = TextDecoder;
+  }
+
+  if (!global.Buffer) {
+    global.Buffer = {
+      // @ts-ignore
+      isBuffer: (x) => false,
+    };
+  }
+
+  if (!global.process) {
+    // @ts-ignore
+    global.process = {
+      getuid: () => -1,
+      getgid: () => -1,
+      geteuid: () => -1,
+      getegid: () => -1,
+      getgroups: () => [],
+      pid: -1,
+      ppid: -1,
+      umask: () => 0,
+      cwd: () => "/",
+      chdir: (dir) => {},
+    };
+  }
+
+  if (!global.Error) {
+    // @ts-ignore
+    global.Error = class extends Error {};
+  }
+}
--- a/src/golang/go.mod
+++ b/src/golang/go.mod
@ -0,0 +1,8 @@
+module main
+
+go 1.19
+
+require (
+	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
+	lukechampine.com/blake3 v1.2.1 // indirect
+)
--- a/src/golang/go.sum
+++ b/src/golang/go.sum
@ -0,0 +1,4 @@
+github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+lukechampine.com/blake3 v1.2.1 h1:YuqqRuaqsGV71BV/nm9xlI0MKUv4QC54jQnBChWbGnI=
+lukechampine.com/blake3 v1.2.1/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=
--- a/src/golang/main.go
+++ b/src/golang/main.go
@ -0,0 +1,125 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"lukechampine.com/blake3"
+	"math/rand"
+	"strconv"
+	"syscall/js"
+)
+
+var activeReader *reader
+var pipe chan []byte
+var callbackId int
+var nextBytes chan int
+var killChan chan bool
+
+func main() {
+	pipe = make(chan []byte)
+	nextBytes = make(chan int)
+	killChan = make(chan bool)
+	callbackId = rand.Int()
+	<-killChan
+}
+
+type reader struct {
+}
+
+func (r *reader) Read(p []byte) (n int, err error) {
+	nextBytes <- len(p)
+	data := <-pipe
+	copy(p[:], data[:])
+	resetWritePromise()
+	return len(data), nil
+}
+
+//export start
+func start() int {
+
+	rootChan := make(chan []byte)
+	proofChan := make(chan []byte)
+
+	resetWritePromise()
+	setGlobalObject(getGlobalPrefix()+"_set_root", js.FuncOf(func(this js.Value, args []js.Value) any {
+		jsroot := args[0]
+
+		root := make([]byte, jsroot.Get("length").Int())
+		js.CopyBytesToGo(root, jsroot)
+
+		rootChan <- root
+
+		return nil
+	}))
+
+	setGlobalObject(getGlobalPrefix()+"_set_proof", js.FuncOf(func(this js.Value, args []js.Value) any {
+		jsproof := args[0]
+
+		proofSlice := make([]byte, jsproof.Get("length").Int())
+		js.CopyBytesToGo(proofSlice, jsproof)
+
+		proofChan <- proofSlice
+
+		return nil
+	}))
+
+	setGlobalObject(getGlobalPrefix()+"_write", js.FuncOf(func(this js.Value, args []js.Value) any {
+		d := args[0]
+		data := make([]byte, d.Get("length").Int())
+		js.CopyBytesToGo(data, d)
+
+		pipe <- data
+
+		return nil
+	}))
+
+	go func() {
+		rootSlice := <-rootChan
+		proof := <-proofChan
+
+		var root [32]byte
+
+		copy(root[:], rootSlice)
+
+		ret, err := blake3.BaoDecode(io.Discard, activeReader, bytes.NewReader(proof), root)
+		setGlobalObject(getGlobalPrefix()+"_result", ret)
+		setGlobalObject(getGlobalPrefix()+"_error", err)
+	}()
+
+	return callbackId
+}
+
+//export kill
+func kill() {
+	killChan <- true
+}
+
+func createWritePromiseHandler() js.Value {
+	return createPromiseHandler(func(this js.Value, args []js.Value) {
+		bytesToRead := <-nextBytes
+		args[0].Invoke(bytesToRead)
+	})
+}
+
+func createPromiseHandler(cb func(this js.Value, args []js.Value)) js.Value {
+	return js.Global().Get("Promise").New(js.FuncOf(func(this js.Value, args []js.Value) any {
+		cb(this, args)
+		return nil
+	}))
+}
+
+func getGlobalPrefix() string {
+	return "bao_" + strconv.FormatInt(int64(callbackId), 10)
+}
+
+func getWritePromiseName() string {
+	return getGlobalPrefix() + "_write_promise"
+}
+
+func resetWritePromise() {
+	setGlobalObject(getWritePromiseName(), createWritePromiseHandler())
+}
+
+func setGlobalObject(name string, p any) {
+	js.Global().Set(name, p)
+}
--- a/src/index.ts
+++ b/src/index.ts
@ -1,2 +1,2 @@
 export * from "./client.js";
-export * from "./cid.js";
+export * from "./verify.js";
--- a/src/verify.ts
+++ b/src/verify.ts
@ -0,0 +1,177 @@
+// @ts-ignore
+import baoWasm from "./wasm.js";
+import Go from "./go_wasm.js";
+
+export async function getVerifiableStream(
+  root: Uint8Array,
+  proof: Uint8Array,
+  data: ReadableStream,
+) {
+  const wasm = await getWasmInstance();
+  // @ts-ignore
+  const reader = new VariableChunkStream(data);
+  let bytesToRead;
+
+  if (root instanceof ArrayBuffer) {
+    root = new Uint8Array(root);
+  }
+  if (proof instanceof ArrayBuffer) {
+    proof = new Uint8Array(proof);
+  }
+
+  const getNextBytes = async () => {
+    bytesToRead = getWasmProperty(wasmId, "write_promise");
+    bytesToRead = await bytesToRead;
+  };
+
+  const callExports = (name: string) => {
+    // @ts-ignore
+    return wasm.exports[name]();
+  };
+
+  // @ts-ignore
+  const exit = () => {
+    callExports("kill");
+    cleanup();
+  };
+
+  const done = (controller: ReadableStreamDefaultController) => {
+    controller.close();
+    exit();
+  };
+
+  const cleanup = () => {
+    const win = getWin();
+    const props = Object.getOwnPropertyNames(win);
+
+    props
+      .filter((item) => item.startsWith(`bao_${wasmId}`))
+      .forEach((item) => {
+        delete win[item];
+      });
+  };
+
+  // @ts-ignore
+  const wasmId = callExports("start");
+  getWasmProperty(wasmId, "set_root")(root);
+  getWasmProperty(wasmId, "set_proof")(proof);
+  await getNextBytes();
+
+  return new ReadableStream({
+    async pull(controller) {
+      let chunk;
+
+      try {
+        chunk = await reader.read(bytesToRead);
+        if (chunk.value) {
+          getWasmProperty(wasmId, "write")(chunk.value);
+        }
+      } catch (e) {
+        // @ts-ignore
+        exit();
+        controller.error(e);
+      }
+
+      const result = getWasmProperty(wasmId, "result");
+
+      const wasmDone = result !== undefined;
+
+      if (!wasmDone) {
+        await getNextBytes();
+      }
+
+      if (chunk.done || wasmDone) {
+        if (wasmDone) {
+          if (result) {
+            controller.enqueue(chunk.value);
+            done(controller);
+          } else {
+            controller.error(getWasmProperty(wasmId, "error"));
+            exit();
+          }
+        } else {
+          if (!wasmDone) {
+            controller.error("stream is ended but verification not complete");
+            exit();
+            return;
+          }
+          controller.enqueue(chunk.value);
+          done(controller);
+        }
+      } else {
+        controller.enqueue(chunk.value);
+      }
+    },
+    async cancel(reason: any) {
+      await reader.cancel(reason);
+      exit();
+    },
+  });
+}
+
+function getWin() {
+  return globalThis || self || window;
+}
+
+function getWasmProperty(id: number, prop: string) {
+  return getWin()[`bao_${id}_${prop}`];
+}
+
+async function getWasmInstance() {
+  const go = new Go();
+  let wasm = (await baoWasm(
+    go.importObject,
+  )) as WebAssembly.WebAssemblyInstantiatedSource;
+  go.run(wasm);
+
+  return wasm;
+}
+
+class VariableChunkStream {
+  private reader: ReadableStreamDefaultReader;
+  private currentChunk: Uint8Array = new Uint8Array();
+  private currentChunkSize = 0;
+  private readerDone = false;
+
+  constructor(stream: ReadableStream) {
+    this.reader = stream.getReader();
+  }
+
+  async read(bytes: number) {
+    if (this.currentChunk.length === 0 && !this.readerDone) {
+      const { done, value } = await this.reader.read();
+      if (done) {
+        return { done: true };
+      }
+      this.currentChunk = value;
+      this.currentChunkSize = this.currentChunk.length;
+    }
+
+    if (this.currentChunkSize > bytes) {
+      const chunk = this.currentChunk.slice(0, bytes);
+      this.currentChunk = this.currentChunk.slice(bytes);
+      this.currentChunkSize -= bytes;
+      return { value: chunk, done: false };
+    }
+    if (this.currentChunkSize < bytes && !this.readerDone) {
+      const { done, value } = await this.reader.read();
+      if (done) {
+        this.readerDone = true;
+      }
+      this.currentChunk = new Uint8Array([...this.currentChunk, ...value]);
+      this.currentChunkSize += value.length;
+      return this.read(bytes);
+    }
+
+    const chunk = this.currentChunk;
+    this.currentChunk = new Uint8Array();
+    this.currentChunkSize = 0;
+    return { value: chunk, done: this.readerDone };
+  }
+
+  async cancel(reason: any) {
+    await this.reader.cancel(reason);
+    this.currentChunk = new Uint8Array();
+    this.currentChunkSize = 0;
+  }
+}
--- a/src/wasm.ts
+++ b/src/wasm.ts
@ -0,0 +1,17 @@
+import isNode from "detect-node";
+export default async function (imports) {
+  if (isNode) {
+    const fs = await import("fs/promises");
+
+    // @ts-ignore
+    const wasmPath = new URL("wasm/bao.wasm", import.meta.url);
+    const wasm = await fs.readFile(wasmPath);
+    return (await WebAssembly.instantiate(wasm, imports)).instance;
+  }
+
+  // @ts-ignore
+  let wasm = await import("./wasm/bao.wasm?init");
+  wasm = wasm.default || wasm;
+  wasm = await wasm(imports);
+  return wasm;
+}