week 2 project

client/index.js

@@ -6,12 +6,20 @@ const serverUrl = 'http://localhost:1225';
 
 async function main() {
   // TODO: how do we prove to the server we're on the nice list? 
+  const tree=new MerkleTree(niceList);
+  const name ="Joel Raynor";
+  const root = tree.getRoot();
+  const index=niceList.findIndex(n => n === name);
+  const proof=tree.getProof(index);
 
   const { data: gift } = await axios.post(`${serverUrl}/gift`, {
     // TODO: add request body parameters here!
-  });
+    name:name,
+    proof:proof,
 
+  });
+console.log("sending to the server",{name,proof});
   console.log({ gift });
 }
 
-main();
+main();

server/index.js

@@ -1,5 +1,6 @@
 const express = require('express');
 const verifyProof = require('../utils/verifyProof');
+const { keccak256 } = require('ethereum-cryptography/keccak');
 
 const port = 1225;
 
@@ -8,14 +9,14 @@ 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 MERKLE_ROOT = '4cdf89e56895bbcabd3551d431b8ba74239d026cfac7af5fcb1c15934a4eaf34';
 
 app.post('/gift', (req, res) => {
-  // grab the parameters from the front-end here
-  const body = req.body;
+ const {name,proof}=req.body;
+  const lea=keccak256(Buffer.from(name)).toString('hex');
 
   // TODO: prove that a name is in the list 
-  const isInTheList = false;
+  const isInTheList = tree.verifyProof(lea,proof,MERKLE_ROOT);
   if(isInTheList) {
     res.send("You got a toy robot!");
   }