57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
const chai = require("chai");
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const path = require("path");
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const snarkjs = require("@tornado/snarkjs");
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const compiler = require("circom");
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const mimcjs = require("../src/mimcsponge.js");
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const assert = chai.assert;
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describe("MiMC Sponge Circuit test", function () {
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let circuit;
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this.timeout(100000);
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it("Should check permutation", async () => {
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const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_sponge_test.circom"));
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circuit = new snarkjs.Circuit(cirDef);
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console.log("MiMC Feistel constraints: " + circuit.nConstraints);
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const w = circuit.calculateWitness({ xL_in: 1, xR_in: 2, k: 3 });
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const xLout = w[circuit.getSignalIdx("main.xL_out")];
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const xRout = w[circuit.getSignalIdx("main.xR_out")];
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const out2 = mimcjs.hash(1, 2, 3);
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assert.equal(xLout.toString(), out2.xL.toString());
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assert.equal(xRout.toString(), out2.xR.toString());
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assert(circuit.checkWitness(w));
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});
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it("Should check hash", async () => {
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const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_sponge_hash_test.circom"));
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circuit = new snarkjs.Circuit(cirDef);
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console.log("MiMC Sponge constraints: " + circuit.nConstraints);
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const w = circuit.calculateWitness({ ins: [1, 2], k: 0 });
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const o1 = w[circuit.getSignalIdx("main.outs[0]")];
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const o2 = w[circuit.getSignalIdx("main.outs[1]")];
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const o3 = w[circuit.getSignalIdx("main.outs[2]")];
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const out2 = mimcjs.multiHash([1, 2], 0, 3);
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assert.equal(o1.toString(), out2[0].toString());
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assert.equal(o2.toString(), out2[1].toString());
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assert.equal(o3.toString(), out2[2].toString());
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assert(circuit.checkWitness(w));
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});
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});
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