poseidon-encryption/test/mimccircuit.js

Standalone package for Poseidon encryption. All credits to https://github.com/weijiekoh/circomlib/tree/feat/poseidon-encryption

const chai = require("chai");
const path = require("path");
const wasm_tester = require("circom_tester").wasm;

const mimcjs = require("circomlibjs").mimc7;

describe("MiMC Circuit test", function () {
    let circuit;

    this.timeout(100000);

    before( async () => {
        circuit = await wasm_tester(path.join(__dirname, "circuits", "mimc_test.circom"));
    });

    it("Should check constrain", async () => {
        const w = await circuit.calculateWitness({x_in: 1, k: 2}, true);

        const res2 = mimcjs.hash(1,2,91);

        await circuit.assertOut(w, {out: res2});

        await circuit.checkConstraints(w);
    });
});