Anonymous Voting &
Censorship Proof Publishing.
Verifiable results.

1 // Send XCM from Para 2001 to trigger mixing on Para 1000

2 const dest = { V3: { parents: 1, interior: { X1: { Parachain: 1000 } } } };

3

4 const message = {

5 V3: [{

6 Transact: {

7 originKind: 'SovereignAccount',

8 requireWeightAtMost: { refTime: 1000000000 },

9 call: { encoded: api.tx.mixJob.submitJob(electionId).method.toHex() }

10 }

11 }]

12 };

13

14 await votingchainApi.tx.polkadotXcm.send(dest, message).signAndSend(alice);

1 // Mix node receives ciphertexts, peels onion layer, shuffles

2 app.post('/mix', async (req, res) => {

3 const { ciphertexts, nodeIndex } = req.body;

4

5 // Peel one onion layer using node's private key

6 const peeled = ciphertexts.map(ct =>

7 peelOnionForNode(ct, nodeIndex, NODE_PRIVATE_KEYS[nodeIndex])

8 );

9

10 // Fisher-Yates shuffle for unlinkability

11 const shuffled = fisherYatesShuffle(peeled);

12

13 res.json({ shuffled, commitment: hash(shuffled) });

14 });