Remove broken is-url dependency

Add scope to package name

package.json

@@ -1,13 +1,12 @@
 {
   "name": "@cerc-io/laconic-sdk",
-  "version": "0.1.0",
+  "version": "0.1.4",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "repository": "git@github.com:cerc-io/laconic-sdk.git",
   "author": "",
   "license": "UNLICENSED",
   "devDependencies": {
-    "@types/is-url": "^1.2.30",
     "@types/jest": "^27.4.1",
     "@types/lodash": "^4.14.181",
     "@types/semver": "^7.3.9",
@@ -26,19 +25,25 @@
     "@ipld/dag-cbor": "^7.0.1",
     "@ipld/dag-json": "^8.0.9",
     "@metamask/eth-sig-util": "^4.0.0",
+    "@tharsis/address-converter": "^0.1.7",
+    "@tharsis/eip712": "^0.2.1",
+    "@tharsis/proto": "^0.1.16",
+    "@tharsis/provider": "^0.2.4",
+    "@tharsis/transactions": "^0.2.2",
     "axios": "^0.26.1",
-    "bip32": "^3.0.1",
+    "bip32": "3.0.1",
     "bip39": "^3.0.4",
     "canonical-json": "^0.0.4",
     "ethers": "^5.6.2",
     "evmosjs": "^0.2.5",
     "graphql.js": "^0.6.8",
-    "is-url": "^1.2.4",
     "js-sha256": "^0.9.0",
     "js-yaml": "^3.14.1",
     "jsonschema": "^1.4.0",
     "lodash": "^4.17.21",
+    "multiformats": "^9.5.4",
     "node-yaml": "^4.0.1",
+    "secp256k1": "^4.0.1",
     "semver": "^7.3.5",
     "tiny-secp256k1": "^1.1.6"
   },

src/index.ts

@@ -1,4 +1,3 @@
-import isUrl from 'is-url';
 import { sha256 } from 'js-sha256';
 import { generatePostBodyBroadcast, BroadcastMode } from '@tharsis/provider';
 import {
@@ -122,13 +121,6 @@ export class Registry {
   }
 
   constructor(gqlUrl: string, restUrl: string = "", chainId: string = DEFAULT_CHAIN_ID) {
-    if (!isUrl(gqlUrl)) {
-      throw new Error('Path to a GQL endpoint should be provided.');
-    }
-
-    if (restUrl && !isUrl(restUrl)) {
-      throw new Error('REST endpoint is not a URL string.');
-    }
 
     this._endpoints = {
       rest: restUrl,