circomlib/test/escalarmulany.js
2019-08-03 12:46:21 +02:00

60 lines
1.8 KiB
JavaScript

const chai = require("chai");
const path = require("path");
const snarkjs = require("snarkjs");
const compiler = require("circom");
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 circuitEMulAny;
this.timeout(100000);
let g = [
snarkjs.bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"),
snarkjs.bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")
];
before( async() => {
const cirDefEMulAny = await compiler(path.join(__dirname, "circuits", "escalarmulany_test.circom"));
circuitEMulAny = new snarkjs.Circuit(cirDefEMulAny);
console.log("NConstrains Escalarmul any: " + circuitEMulAny.nConstraints);
});
it("Should generate Same escalar mul", async () => {
const w = circuitEMulAny.calculateWitness({"e": 1, "p": g});
assert(circuitEMulAny.checkWitness(w));
const xout = w[circuitEMulAny.getSignalIdx("main.out[0]")];
const yout = w[circuitEMulAny.getSignalIdx("main.out[1]")];
assert(xout.equals(g[0]));
assert(yout.equals(g[1]));
});
it("If multiply by order should return 0", async () => {
const r = bigInt("2736030358979909402780800718157159386076813972158567259200215660948447373041");
const w = circuitEMulAny.calculateWitness({"e": r, "p": g});
assert(circuitEMulAny.checkWitness(w));
const xout = w[circuitEMulAny.getSignalIdx("main.out[0]")];
const yout = w[circuitEMulAny.getSignalIdx("main.out[1]")];
assert(xout.equals(bigInt.zero));
assert(yout.equals(bigInt.one));
});
});