Remove Axios in favor of fetch

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@docknetwork/sdk",
-  "version": "6.8.0",
+  "version": "6.8.1",
   "main": "index.js",
   "license": "MIT",
   "repository": {
@@ -104,7 +104,6 @@
     "@juanelas/base64": "^1.0.5",
     "@polkadot/api": "9.7.1",
     "@transmute/json-web-signature": "^0.7.0-unstable.80",
-    "axios": "0.27.2",
     "base64url": "3.0.1",
     "blake2b": "2.1.4",
     "bs58": "5.0.0",

src/modules/schema.js

@@ -1,6 +1,5 @@
 import { canonicalize } from 'json-canonicalize';
 import { validate } from 'jsonschema';
-import axios from 'axios';
 
 import { hexDIDToQualified } from '../utils/did';
 import { getSignatureFromKeyringPair } from '../utils/misc';
@@ -12,6 +11,7 @@ import {
 
 // Supported schemas
 import JSONSchema07 from '../utils/vc/schemas/schema-draft-07';
+import jsonFetch from '../utils/json-fetch';
 
 export default class Schema {
   /**
@@ -165,7 +165,7 @@ export default class Schema {
         return JSONSchema07;
       }
       // Fetch the URI and expect a JSON response
-      const { data: doc } = await axios.get(schemaUrl);
+      const doc = await jsonFetch(schemaUrl);
       if (typeof doc === 'object') {
         return doc;
       }

src/resolver/did/universal-resolver.js

@@ -1,6 +1,6 @@
-import axios from 'axios';
 import { NoDIDError } from '../../utils/did';
 import { Resolver, WILDCARD } from '../generic';
+import jsonFetch from '../../utils/json-fetch';
 
 /**
  * Resolves `DID`s with wildcard method: `did:*:`.
@@ -36,17 +36,17 @@ export default class UniversalResolver extends Resolver {
       hashIndex === -1 ? did : did.slice(0, hashIndex).trim(),
     );
     try {
-      const resp = await axios.get(`${this.idUrl}${encodedDid}`, {
+      const resp = await jsonFetch(`${this.idUrl}${encodedDid}`, {
         headers: {
           Accept:
             'application/ld+json;profile="https://w3id.org/did-resolution"',
         },
       });
 
       // Sometimes didDocument doesnt exist, if so return data as document
-      return resp.data.didDocument || resp.data;
+      return resp.didDocument || resp;
     } catch (error) {
-      if (error.isAxiosError) {
+      if (error.statusCode === 404) {
         throw new NoDIDError(did);
       }
 

src/utils/json-fetch.js

@@ -0,0 +1,32 @@
+export class JSONFetchError extends Error {
+  constructor(message, statusCode) {
+    super(message);
+
+    this.statusCode = statusCode;
+  }
+}
+
+export default async function jsonFetch(url, options) {
+  if (url.startsWith('blob:')) {
+    throw new Error('Unsupported protocol blob:');
+  }
+
+  let response;
+  try {
+    response = await fetch(url, options);
+  } catch (e) {
+    throw new Error(`Fetch failed for URL: ${url}`);
+  }
+  if (response.ok) {
+    let doc;
+    try {
+      doc = await response.json();
+    } catch (e) {
+      throw new Error(`URL: ${url} is not JSON`);
+    }
+    return doc;
+  } else {
+    // Handle the case when the fetch request fails (e.g., non-2xx response status)
+    throw new JSONFetchError('Failed to fetch data', response.status);
+  }
+}

src/utils/vc/document-loader.js

@@ -1,6 +1,6 @@
-import axios from 'axios';
 import cachedUris from './contexts';
 import Resolver from "../../resolver/generic/resolver"; // eslint-disable-line
+import jsonFetch from '../json-fetch';
 
 function parseEmbeddedDataURI(embedded) {
   // Strip new lines
@@ -63,7 +63,7 @@ function documentLoader(resolver = null) {
       if (cachedData) {
         document = cachedData;
       } else {
-        const { data: doc } = await axios.get(uriString);
+        const doc = await jsonFetch(uriString);
         cachedUris.set(cacheKey, doc);
         document = doc;
       }

tests/cached-document-loader.js

@@ -1,6 +1,6 @@
-import axios from 'axios';
 import contexts from '../src/utils/vc/contexts';
 import network_cache from './network-cache';
+import jsonFetch from '../src/utils/json-fetch';
 
 // global document cache, replaces the internet and acts as a did method
 const documentRegistry = {};
@@ -17,7 +17,7 @@ export async function documentLoader(url) {
     if (!(url.startsWith('http://') || url.startsWith('https://'))) {
       throw new Error(`failed to resolve ${url}`);
     }
-    documentRegistry[url] = (await axios.get(url)).data;
+    documentRegistry[url] = await jsonFetch(url);
     console.warn(
       'Unit test is making web requests. This is slow. Please update ./test/network-cache.js',
       'with: ',

tests/integration/issuing-and-presentation-with-2-subjects.test.js

@@ -1,7 +1,7 @@
-// Mock axios
+// Mock fetch
 import { randomAsHex } from '@polkadot/util-crypto';
 import jsonld from 'jsonld';
-import mockAxios from '../mocks/axios';
+import mockFetch from '../mocks/fetch';
 
 import {
   createNewDockDID,
@@ -18,7 +18,7 @@ import {
 import { getKeyDoc } from '../../src/utils/vc/helpers';
 import { createPresentation } from '../create-presentation';
 
-mockAxios();
+mockFetch();
 
 // DID and seed for
 const issuerDID = createNewDockDID();

tests/integration/issuing.test.js

@@ -1,6 +1,6 @@
-// Mock axios
+// Mock fetch
 import { randomAsHex } from '@polkadot/util-crypto';
-import mockAxios from '../mocks/axios';
+import mockFetch from '../mocks/fetch';
 
 import { createNewDockDID } from '../../src/utils/did';
 
@@ -15,7 +15,7 @@ import { generateEcdsaSecp256k1Keypair } from '../../src/utils/misc';
 import { issueCredential, verifyCredential } from '../../src/utils/vc/index';
 import { getKeyDoc } from '../../src/utils/vc/helpers';
 
-mockAxios();
+mockFetch();
 
 // 1st issuer's DID.
 const issuer1DID = createNewDockDID();

tests/mocks/fetch.js

@@ -0,0 +1,27 @@
+import networkCache from '../network-cache';
+
+// Mock the global fetch function
+global.fetch = jest.fn();
+
+// Function to set up a mock response for fetch
+const mockFetchResponse = (status, data) => {
+  const response = new Response(JSON.stringify(data), {
+    status,
+    headers: {
+      'Content-type': 'application/json',
+    },
+  });
+  return Promise.resolve(response);
+};
+
+export default function mockFetch() {
+  // Set up a mock response for all GET requests
+  fetch.mockImplementation((url) => {
+    if (networkCache[url]) {
+      return mockFetchResponse(200, networkCache[url]);
+    }
+
+    console.error(`Test should cache this URL: ${url}`);
+    throw new Error(`Test should cache this URL: ${url}`);
+  });
+}

tests/unit/issuing.test.js

@@ -1,5 +1,5 @@
-// Mock axios
-import mockAxios from '../mocks/axios';
+// Mock fetch
+import mockFetch from '../mocks/fetch';
 
 import {
   issueCredential,
@@ -12,7 +12,7 @@ import VerifiableCredential from '../../src/verifiable-credential';
 import VerifiablePresentation from '../../src/verifiable-presentation';
 import testingKeys from '../test-keys';
 
-mockAxios();
+mockFetch();
 
 // Test constants
 const issuanceDate = '2020-04-15T09:05:35Z';

tests/unit/presigned-validation.test.js

@@ -1,11 +1,11 @@
-// Mock axios
-import mockAxios from '../mocks/axios';
+// Mock fetch
+import mockFetch from '../mocks/fetch';
 
 import {
   verifyCredential,
 } from '../../src/utils/vc/index';
 
-mockAxios();
+mockFetch();
 
 const controllerUrl = 'https://gist.githubusercontent.com/lovesh/312d407e3a16be0e7d5e43169e824958/raw';
 const keyUrl = 'https://gist.githubusercontent.com/lovesh/67bdfd354cfaf4fb853df4d6713f4610/raw';

tests/unit/schema.test.js

@@ -1,4 +1,4 @@
-// Mock axios
+// Mock fetch
 import { cryptoWaitReady } from '@polkadot/util-crypto';
 
 import VerifiableCredential from '../../src/verifiable-credential';

yarn.lock

@@ -4733,14 +4733,6 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
   integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
 
-[email protected]:
-  version "0.27.2"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.27.2.tgz#207658cc8621606e586c85db4b41a750e756d972"
-  integrity sha512-t+yRIyySRTp/wua5xEr+z1q60QmLq8ABsS5O9Me1AsE5dfKqgnCFzwiCZZ/cGNd1lq4/7akDWMxdhVlucjmnOQ==
-  dependencies:
-    follow-redirects "^1.14.9"
-    form-data "^4.0.0"
-
 b4a@^1.0.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/b4a/-/b4a-1.6.1.tgz#9effac93a469a868d024e16fd77162c653544cbd"
@@ -7086,7 +7078,7 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/fn.name/-/fn.name-1.1.0.tgz#26cad8017967aea8731bc42961d04a3d5988accc"
   integrity sha512-GRnmB5gPyJpAhTQdSZTSp9uaPSvl09KoYcMQtsB9rQoOmzs9dH6ffeccH+Z+cv6P68Hu5bC6JjRh4Ah/mHSNRw==
 
-follow-redirects@^1.14.9, follow-redirects@^1.5.1:
+follow-redirects@^1.5.1:
   version "1.15.2"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.2.tgz#b460864144ba63f2681096f274c4e57026da2c13"
   integrity sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==