achemy alchemyplatform#2

Author: D-CRYPTO-DEV

client/index.js

@@ -3,12 +3,21 @@ const niceList = require('../utils/niceList.json');
 const MerkleTree = require('../utils/MerkleTree');
 
 const serverUrl = 'http://localhost:1225';
+// create the merkle tree for the whole nice list
+const merkleTree = new MerkleTree(niceList);
+
+// find the proof that norman block is in the list 
+const name = "Darren Kunde";
+const index = niceList.findIndex(n => n === name);
+const proof = merkleTree.getProof(index);
+console.log({proof});
 
 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!
+    proof,
+    name
   });
 
   console.log({ gift });

server/index.js

@@ -8,14 +8,19 @@ 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 = '34d7d19b6b2babb3581b95741dd15b114dc6ebe70f03cdba3947d0d3955366cd';
 
 app.post('/gift', (req, res) => {
   // grab the parameters from the front-end here
-  const body = req.body;
+  const {proof,name} = req.body;
+  console.log({proof,name});
 
-  // TODO: prove that a name is in the list 
-  const isInTheList = false;
+//   // TODO: prove that a name is in the list 
+  const isInTheList = verifyProof(
+    proof,
+    name,
+    MERKLE_ROOT
+  );
   if(isInTheList) {
     res.send("You got a toy robot!");
   }

utils/niceList.json

@@ -134,6 +134,7 @@
   "Sandra Heller",
   "James Schuster",
   "Rodolfo Kessler",
+  "okoedo trust daniel",
   "Troy Weber",
   "Edna Raynor I",
   "Guadalupe Waelchi",