From 14e730fd69becb6d826e6549f74cc507662f4a35 Mon Sep 17 00:00:00 2001
From: Fazal E Rabbi <fazalerabbi@Fazals-MacBook-Pro.local>
Date: Mon, 12 Dec 2022 13:10:16 +0500
Subject: [PATCH] Create the merkle tree, proof and verify

---
 .gitignore               |  1 +
 client/index.js          | 14 +++++++++++++-
 docker-compose.yml       | 13 +++++++++++++
 docker/nodejs/Dockerfile |  5 +++++
 package-lock.json        | 16 ----------------
 server/index.js          | 12 ++++++++++--
 6 files changed, 42 insertions(+), 19 deletions(-)
 create mode 100755 docker-compose.yml
 create mode 100755 docker/nodejs/Dockerfile

diff --git a/.gitignore b/.gitignore
index 6704566..57dd8b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 lerna-debug.log*
+.DS_Store
 
 # Diagnostic reports (https://nodejs.org/api/report.html)
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
diff --git a/client/index.js b/client/index.js
index 28980e4..d020a3e 100644
--- a/client/index.js
+++ b/client/index.js
@@ -4,11 +4,23 @@ const MerkleTree = require('../utils/MerkleTree');
 
 const serverUrl = 'http://localhost:1225';
 
+const index = niceList.findIndex(n => n === process.argv[2]);
+if (!index || index < 0 || index > niceList.length || !process.argv[2]) {
+  console.log('Name not found in nice list!');
+  process.exit(1);
+}
+
+const leaf = process.argv[3];
+const merkleTree = new MerkleTree(niceList);
+const proof = merkleTree.getProof(index);
+
+
 async function main() {
   // TODO: how do we prove to the server we're on the nice list? 
 
   const { data: gift } = await axios.post(`${serverUrl}/gift`, {
-    // TODO: add request body parameters here!
+    leaf,
+    proof,
   });
 
   console.log({ gift });
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100755
index 0000000..82113da
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,13 @@
+version: "3"
+
+services:
+   node-server:
+     tty: true
+     build:
+        context: .
+        dockerfile: docker/nodejs/Dockerfile
+     ports:
+       - 1225:1225
+     restart: unless-stopped
+     volumes:
+        - ./:/app
\ No newline at end of file
diff --git a/docker/nodejs/Dockerfile b/docker/nodejs/Dockerfile
new file mode 100755
index 0000000..eb70933
--- /dev/null
+++ b/docker/nodejs/Dockerfile
@@ -0,0 +1,5 @@
+FROM node:18.12
+LABEL name="Fazal-E-Rabbi" email="fazal.newtech@gmail.com"
+
+WORKDIR /app
+EXPOSE 1225
diff --git a/package-lock.json b/package-lock.json
index 70a452c..29fc2e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,22 +6,11 @@
     "": {
       "name": "holiday-gift-list",
       "dependencies": {
-        "@faker-js/faker": "^7.6.0",
         "axios": "^1.2.0",
-        "body-parser": "^1.20.1",
         "ethereum-cryptography": "^1.1.2",
         "express": "^4.18.2"
       }
     },
-    "node_modules/@faker-js/faker": {
-      "version": "7.6.0",
-      "resolved": "https://registry.npmjs.org/@faker-js/faker/-/faker-7.6.0.tgz",
-      "integrity": "sha512-XK6BTq1NDMo9Xqw/YkYyGjSsg44fbNwYRx7QK2CuoQgyy+f1rrTDHoExVM5PsyXCtfl2vs2vVJ0MN0yN6LppRw==",
-      "engines": {
-        "node": ">=14.0.0",
-        "npm": ">=6.0.0"
-      }
-    },
     "node_modules/@noble/hashes": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
@@ -785,11 +774,6 @@
     }
   },
   "dependencies": {
-    "@faker-js/faker": {
-      "version": "7.6.0",
-      "resolved": "https://registry.npmjs.org/@faker-js/faker/-/faker-7.6.0.tgz",
-      "integrity": "sha512-XK6BTq1NDMo9Xqw/YkYyGjSsg44fbNwYRx7QK2CuoQgyy+f1rrTDHoExVM5PsyXCtfl2vs2vVJ0MN0yN6LppRw=="
-    },
     "@noble/hashes": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
diff --git a/server/index.js b/server/index.js
index cc302ca..56ba43e 100644
--- a/server/index.js
+++ b/server/index.js
@@ -8,14 +8,22 @@ app.use(express.json());
 
 // TODO: hardcode a merkle root here representing the whole nice list
 // paste the hex string in here, without the 0x prefix
-const MERKLE_ROOT = '';
+
+// const niceList = require('../utils/niceList.json');
+// const MerkleTree = require('../utils/MerkleTree');
+// const merkleTree = new MerkleTree(niceList);
+
+// const root = merkleTree.getRoot();
+// console.log(root);
+
+const MERKLE_ROOT = 'ddd59a2ffccddd60ff47993312821cd57cf30f7f14fb82937ebe2c4dc78375aa';
 
 app.post('/gift', (req, res) => {
   // grab the parameters from the front-end here
   const body = req.body;
 
   // TODO: prove that a name is in the list 
-  const isInTheList = false;
+  const isInTheList = verifyProof(body.proof, body.leaf, MERKLE_ROOT);
   if(isInTheList) {
     res.send("You got a toy robot!");
   }