1const chai = require("chai");
 2const path = require("path");
 3const snarkjs = require("snarkjs");
 4const compiler = require("circom");
 5
 6const assert = chai.assert;
 7
 8const bigInt = snarkjs.bigInt;
 9
10
11function print(circuit, w, s) {
12    console.log(s + ": " + w[circuit.getSignalIdx(s)]);
13}
14
15describe("Escalarmul test", function () {
16    let circuitEMulAny;
17
18    this.timeout(100000);
19
20    let g = [
21        snarkjs.bigInt("17777552123799933955779906779655732241715742912184938656739573121738514868268"),
22        snarkjs.bigInt("2626589144620713026669568689430873010625803728049924121243784502389097019475")
23    ];
24
25    before( async() => {
26        const cirDefEMulAny = await compiler(path.join(__dirname, "circuits", "escalarmulany_test.circom"));
27        circuitEMulAny = new snarkjs.Circuit(cirDefEMulAny);
28        console.log("NConstrains Escalarmul any: " + circuitEMulAny.nConstraints);
29    });
30
31    it("Should generate Same escalar mul", async () => {
32
33        const w = circuitEMulAny.calculateWitness({"e": 1, "p": g});
34
35        assert(circuitEMulAny.checkWitness(w));
36
37        const xout = w[circuitEMulAny.getSignalIdx("main.out[0]")];
38        const yout = w[circuitEMulAny.getSignalIdx("main.out[1]")];
39
40        assert(xout.equals(g[0]));
41        assert(yout.equals(g[1]));
42    });
43
44    it("If multiply by order should return 0", async () => {
45
46        const r = bigInt("2736030358979909402780800718157159386076813972158567259200215660948447373041");
47        const w = circuitEMulAny.calculateWitness({"e": r, "p": g});
48
49        assert(circuitEMulAny.checkWitness(w));
50
51        const xout = w[circuitEMulAny.getSignalIdx("main.out[0]")];
52        const yout = w[circuitEMulAny.getSignalIdx("main.out[1]")];
53
54        assert(xout.equals(bigInt.zero));
55        assert(yout.equals(bigInt.one));
56    });
57
58});
59