Update dependecies & change package name for self-hosting in tornado scope

.npmrc

@@ -0,0 +1 @@
+@tornado:registry=https://git.tornado.ws/api/packages/tornado-packages/npm/

package.json

@@ -1,8 +1,12 @@
 {
-  "name": "fixed-merkle-tree",
-  "version": "0.5.0",
+  "name": "@tornado/fixed-merkle-tree",
+  "version": "0.4.0",
   "description": "Fixed depth merkle tree implementation with sequential inserts",
   "main": "src/merkleTree.js",
+  "repository": {
+    "type": "git",
+    "url": "https://git.tornado.ws/tornado-packages/fixed-merkle-tree.git"
+  },
   "scripts": {
     "test": "mocha",
     "lint": "eslint ."
@@ -18,8 +22,8 @@
     "src/*"
   ],
   "dependencies": {
-    "snarkjs": "git+https://github.com/tornadocash/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
-    "circomlib": "git+https://github.com/tornadocash/circomlib.git#5beb6aee94923052faeecea40135d45b6ce6172c"
+    "@tornado/circomlib": "^0.0.21",
+    "@tornado/snarkjs": "^0.1.20"
   },
   "devDependencies": {
     "babel-eslint": "^10.1.0",

src/merkleTree.js

@@ -161,6 +161,8 @@ class MerkleTree {
   serialize() {
     return {
       levels: this.levels,
+      capacity: this.capacity,
+      zeroElement: this.zeroElement,
       _zeros: this._zeros,
       _layers: this._layers,
     }
@@ -178,8 +180,6 @@ class MerkleTree {
   static deserialize(data, hashFunction) {
     const instance = Object.assign(Object.create(this.prototype), data)
     instance._hash = hashFunction || defaultHash
-    instance.capacity = 1 << instance.levels
-    instance.zeroElement = instance._zeros[0]
     return instance
   }
 }

src/mimc.js

@@ -1,3 +1,4 @@
-const { mimcsponge } = require('circomlib')
-const { bigInt } = require('snarkjs')
-module.exports = (left, right) => mimcsponge.multiHash([bigInt(left), bigInt(right)]).toString()
+const { mimcsponge } = require("@tornado/circomlib");
+const { bigInt } = require("@tornado/snarkjs");
+module.exports = (left, right) =>
+  mimcsponge.multiHash([bigInt(left), bigInt(right)]).toString();