circomlib/test/escalarmulfix.js
2020-04-18 22:33:59 +02:00

91 lines
2.5 KiB
JavaScript

const chai = require("chai");
const path = require("path");
const tester = require("circom").tester;
const babyjub = require("../src/babyjub");
const Fr = require("ffjavascript").bn128.Fr;
const assert = chai.assert;
function print(circuit, w, s) {
console.log(s + ": " + w[circuit.getSignalIdx(s)]);
}
describe("Escalarmul test", function () {
let circuit;
this.timeout(100000);
before( async() => {
circuit = await tester(path.join(__dirname, "circuits", "escalarmulfix_test.circom"));
});
it("Should generate Same escalar mul", async () => {
const w = await circuit.calculateWitness({"e": 0});
await circuit.checkConstraints(w);
await circuit.assertOut(w, {out: [0,1]}, true);
});
it("Should generate Same escalar mul", async () => {
const w = await circuit.calculateWitness({"e": 1}, true);
await circuit.checkConstraints(w);
await circuit.assertOut(w, {out: babyjub.Base8});
});
it("Should generate scalar mul of a specific constant", async () => {
const s = Fr.e("2351960337287830298912035165133676222414898052661454064215017316447594616519");
const base8 = [
Fr.e("5299619240641551281634865583518297030282874472190772894086521144482721001553"),
Fr.e("16950150798460657717958625567821834550301663161624707787222815936182638968203")
];
const w = await circuit.calculateWitness({"e": s}, true);
await circuit.checkConstraints(w);
const expectedRes = babyjub.mulPointEscalar(base8, s);
await circuit.assertOut(w, {out: expectedRes});
});
it("Should generate scalar mul of the firsts 50 elements", async () => {
const base8 = [
Fr.e("5299619240641551281634865583518297030282874472190772894086521144482721001553"),
Fr.e("16950150798460657717958625567821834550301663161624707787222815936182638968203")
];
for (let i=0; i<50; i++) {
const s = Fr.e(i);
const w = await circuit.calculateWitness({"e": s}, true);
await circuit.checkConstraints(w);
const expectedRes = babyjub.mulPointEscalar(base8, s);
await circuit.assertOut(w, {out: expectedRes});
}
});
it("If multiply by order should return 0", async () => {
const w = await circuit.calculateWitness({"e": babyjub.subOrder }, true);
await circuit.checkConstraints(w);
await circuit.assertOut(w, {out: [0,1]});
});
});