import { expect } from "chai"; import { ethers, deployments } from "hardhat"; describe("RLN", () => { beforeEach(async () => { await deployments.fixture(["RLN"]); }); it("should register new memberships", async () => { const rln = await ethers.getContract("RLN", ethers.provider.getSigner(0)); const price = await rln.MEMBERSHIP_DEPOSIT(); // A valid pair of (id_secret, id_commitment) generated in rust const idCommitment = "0x0c3ac305f6a4fe9bfeb3eba978bc876e2a99208b8b56c80160cfb54ba8f02368"; const registerTx = await rln["register(uint256)"](idCommitment, { value: price, }); const txRegisterReceipt = await registerTx.wait(); const pubkey = txRegisterReceipt.events[0].args.idCommitment; // We ensure the registered id_commitment is the one we passed expect( pubkey.toHexString() === idCommitment, "registered commitment doesn't match passed commitment" ); }); it("should withdraw membership", async () => { const rln = await ethers.getContract("RLN", ethers.provider.getSigner(0)); const price = await rln.MEMBERSHIP_DEPOSIT(); // A valid pair of (id_secret, id_commitment) generated in rust const idSecret = "0x2a09a9fd93c590c26b91effbb2499f07e8f7aa12e2b4940a3aed2411cb65e11c"; const idCommitment = "0x0c3ac305f6a4fe9bfeb3eba978bc876e2a99208b8b56c80160cfb54ba8f02368"; const registerTx = await rln["register(uint256)"](idCommitment, { value: price, }); await registerTx.wait(); // We withdraw our id_commitment const receiverAddress = "0x000000000000000000000000000000000000dead"; const withdrawTx = await rln["withdraw(uint256,address)"]( idSecret, receiverAddress ); const txWithdrawReceipt = await withdrawTx.wait(); const withdrawalPk = txWithdrawReceipt.events[0].args.idCommitment; // We ensure the registered id_commitment is the one we passed and that the index is the same expect( withdrawalPk.toHexString() === idCommitment, "withdraw commitment doesn't match registered commitment" ); }); it("should not allow multiple registrations with same pubkey", async () => { const rln = await ethers.getContract("RLN", ethers.provider.getSigner(0)); const price = await rln.MEMBERSHIP_DEPOSIT(); // A valid pair of (id_secret, id_commitment) generated in rust const idCommitment = "0x0c3ac305f6a4fe9bfeb3eba978bc876e2a99208b8b56c80160cfb54ba8f02368"; const registerTx = await rln["register(uint256)"](idCommitment, { value: price, }); await registerTx.wait(); // Send the same tx again const registerTx2 = rln["register(uint256)"](idCommitment, { value: price, }); await expect(registerTx2).to.be.revertedWith( "RLN, _register: member already registered" ); }); });