circomlib/test/escalarmulfix.js
2018-11-27 16:03:57 +01:00

68 lines
1.8 KiB
JavaScript

const chai = require("chai");
const path = require("path");
const snarkjs = require("snarkjs");
const compiler = require("circom");
const babyjub = require("../src/babyjub");
const assert = chai.assert;
const bigInt = snarkjs.bigInt;
function print(circuit, w, s) {
console.log(s + ": " + w[circuit.getSignalIdx(s)]);
}
describe("Escalarmul test", function () {
let circuit;
this.timeout(100000);
before( async() => {
const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmulfix_test.circom"));
circuit = new snarkjs.Circuit(cirDef);
console.log("NConstrains Escalarmul fix: " + circuit.nConstraints);
});
it("Should generate Same escalar mul", async () => {
const w = circuit.calculateWitness({"e": 0});
assert(circuit.checkWitness(w));
const xout = w[circuit.getSignalIdx("main.out[0]")];
const yout = w[circuit.getSignalIdx("main.out[1]")];
assert(xout.equals(0));
assert(yout.equals(1));
});
it("Should generate Same escalar mul", async () => {
const w = circuit.calculateWitness({"e": 1});
assert(circuit.checkWitness(w));
const xout = w[circuit.getSignalIdx("main.out[0]")];
const yout = w[circuit.getSignalIdx("main.out[1]")];
assert(xout.equals(babyjub.Base8[0]));
assert(yout.equals(babyjub.Base8[1]));
});
it("If multiply by order should return 0", async () => {
const w = circuit.calculateWitness({"e": babyjub.subOrder });
assert(circuit.checkWitness(w));
const xout = w[circuit.getSignalIdx("main.out[0]")];
const yout = w[circuit.getSignalIdx("main.out[1]")];
assert(xout.equals(bigInt.zero));
assert(yout.equals(bigInt.one));
});
});