-
Notifications
You must be signed in to change notification settings - Fork 157
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #2062 from privacy-scaling-explorations/feature/po…
…ll-join-circuit feat(circuits): add poll joined circuit
- Loading branch information
Showing
28 changed files
with
716 additions
and
212 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| import { type WitnessTester } from "circomkit"; | ||
| import { MaciState, Poll } from "maci-core"; | ||
| import { poseidon } from "maci-crypto"; | ||
| import { Keypair, Message, PCommand } from "maci-domainobjs"; | ||
|
|
||
| import type { IPollJoinedInputs } from "../types"; | ||
|
|
||
| import { STATE_TREE_DEPTH, duration, messageBatchSize, treeDepths, voiceCreditBalance } from "./utils/constants"; | ||
| import { circomkitInstance } from "./utils/utils"; | ||
|
|
||
| describe("Poll Joined circuit", function test() { | ||
| this.timeout(900000); | ||
| const NUM_USERS = 50; | ||
|
|
||
| const coordinatorKeypair = new Keypair(); | ||
|
|
||
| type PollJoinedCircuitInputs = [ | ||
| "privKey", | ||
| "voiceCreditsBalance", | ||
| "joinTimestamp", | ||
| "stateLeaf", | ||
| "pathElements", | ||
| "pathIndices", | ||
| "stateRoot", | ||
| ]; | ||
|
|
||
| let circuit: WitnessTester<PollJoinedCircuitInputs>; | ||
|
|
||
| before(async () => { | ||
| circuit = await circomkitInstance.WitnessTester("pollJoined", { | ||
| file: "./anon/poll", | ||
| template: "PollJoined", | ||
| params: [STATE_TREE_DEPTH], | ||
| }); | ||
| }); | ||
|
|
||
| describe(`${NUM_USERS} users, 1 join`, () => { | ||
| const maciState = new MaciState(STATE_TREE_DEPTH); | ||
| let pollId: bigint; | ||
| let poll: Poll; | ||
| let users: Keypair[]; | ||
| const messages: Message[] = []; | ||
| const commands: PCommand[] = []; | ||
|
|
||
| const timestamp = BigInt(Math.floor(Date.now() / 1000)); | ||
|
|
||
| before(() => { | ||
| // Sign up | ||
| users = new Array(NUM_USERS).fill(0).map(() => new Keypair()); | ||
|
|
||
| users.forEach((userKeypair) => { | ||
| maciState.signUp(userKeypair.pubKey); | ||
| }); | ||
|
|
||
| pollId = maciState.deployPoll(timestamp + BigInt(duration), treeDepths, messageBatchSize, coordinatorKeypair); | ||
|
|
||
| poll = maciState.polls.get(pollId)!; | ||
| poll.updatePoll(BigInt(maciState.pubKeys.length)); | ||
|
|
||
| // Join the poll | ||
| const { privKey, pubKey: pollPubKey } = users[0]; | ||
|
|
||
| const nullifier = poseidon([BigInt(privKey.rawPrivKey.toString())]); | ||
|
|
||
| const stateIndex = BigInt(poll.joinPoll(nullifier, pollPubKey, voiceCreditBalance, timestamp)); | ||
|
|
||
| // First command (valid) | ||
| const command = new PCommand( | ||
| stateIndex, | ||
| pollPubKey, | ||
| BigInt(0), // voteOptionIndex, | ||
| BigInt(9), // vote weight | ||
| BigInt(1), // nonce | ||
| BigInt(pollId), | ||
| ); | ||
|
|
||
| const signature = command.sign(privKey); | ||
|
|
||
| const ecdhKeypair = new Keypair(); | ||
| const sharedKey = Keypair.genEcdhSharedKey(ecdhKeypair.privKey, coordinatorKeypair.pubKey); | ||
| const message = command.encrypt(signature, sharedKey); | ||
| messages.push(message); | ||
| commands.push(command); | ||
|
|
||
| poll.publishMessage(message, ecdhKeypair.pubKey); | ||
|
|
||
| // Process messages | ||
| poll.processMessages(pollId); | ||
| }); | ||
|
|
||
| it("should produce a proof", async () => { | ||
| const { privKey: privateKey, pubKey: pollPubKey } = users[0]; | ||
| const nullifier = poseidon([BigInt(privateKey.asCircuitInputs()), poll.pollId]); | ||
|
|
||
| const stateLeafIndex = poll.joinPoll(nullifier, pollPubKey, voiceCreditBalance, timestamp); | ||
|
|
||
| const inputs = poll.joinedCircuitInputs({ | ||
| maciPrivKey: privateKey, | ||
| stateLeafIndex: BigInt(stateLeafIndex), | ||
| voiceCreditsBalance: voiceCreditBalance, | ||
| joinTimestamp: timestamp, | ||
| }) as unknown as IPollJoinedInputs; | ||
|
|
||
| const witness = await circuit.calculateWitness(inputs); | ||
| await circuit.expectConstraintPass(witness); | ||
| }); | ||
|
|
||
| it("should fail for fake witness", async () => { | ||
| const { privKey: privateKey, pubKey: pollPubKey } = users[1]; | ||
| const nullifier = poseidon([BigInt(privateKey.asCircuitInputs()), poll.pollId]); | ||
|
|
||
| const stateLeafIndex = poll.joinPoll(nullifier, pollPubKey, voiceCreditBalance, timestamp); | ||
|
|
||
| const inputs = poll.joinedCircuitInputs({ | ||
| maciPrivKey: privateKey, | ||
| stateLeafIndex: BigInt(stateLeafIndex), | ||
| voiceCreditsBalance: voiceCreditBalance, | ||
| joinTimestamp: timestamp, | ||
| }) as unknown as IPollJoinedInputs; | ||
| const witness = await circuit.calculateWitness(inputs); | ||
|
|
||
| const fakeWitness = Array(witness.length).fill(1n) as bigint[]; | ||
| await circuit.expectConstraintFail(fakeWitness); | ||
| }); | ||
| }); | ||
| }); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.