115 lines
3.1 KiB
JavaScript
115 lines
3.1 KiB
JavaScript
const chai = require("chai");
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const path = require("path");
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const bigInt = require("big-integer");
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const tester = require("circom").tester;
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const babyJub = require("../src/babyjub.js");
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const assert = chai.assert;
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function print(circuit, w, s) {
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console.log(s + ": " + w[circuit.getSignalIdx(s)]);
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}
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describe("Exponentioation test", function () {
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this.timeout(100000);
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it("Should generate the Exponentiation table in k=0", async () => {
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const circuit = await tester(path.join(__dirname, "circuits", "escalarmulw4table_test.circom"));
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const w = await circuit.calculateWitness({in: 1});
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await circuit.checkConstraints(w);
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let g = [
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bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"),
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bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")
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];
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let dbl= [bigInt("0"), bigInt("1")];
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const expectedOut = [];
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for (let i=0; i<16; i++) {
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expectedOut.push(dbl);
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dbl = babyJub.addPoint(dbl,g);
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}
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await circuit.assertOut(w, {out: expectedOut});
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});
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it("Should generate the Exponentiation table in k=3", async () => {
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const circuit = await tester(path.join(__dirname, "circuits", "escalarmulw4table_test3.circom"));
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const w = await circuit.calculateWitness({in: 1});
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await circuit.checkConstraints(w);
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let g = [
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bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"),
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bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")
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];
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for (let i=0; i<12;i++) {
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g = babyJub.addPoint(g,g);
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}
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let dbl= [bigInt("0"), bigInt("1")];
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const expectedOut = [];
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for (let i=0; i<16; i++) {
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expectedOut.push(dbl);
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dbl = babyJub.addPoint(dbl,g);
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}
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await circuit.assertOut(w, {out: expectedOut});
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});
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it("Should exponentiate g^31", async () => {
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const circuit = await tester(path.join(__dirname, "circuits", "escalarmul_test.circom"));
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const w = await circuit.calculateWitness({"in": 31});
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await circuit.checkConstraints(w);
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let g = [
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bigInt("5299619240641551281634865583518297030282874472190772894086521144482721001553"),
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bigInt("16950150798460657717958625567821834550301663161624707787222815936182638968203")
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];
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let c = [bigInt(0), bigInt(1)];
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for (let i=0; i<31;i++) {
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c = babyJub.addPoint(c,g);
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}
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await circuit.assertOut(w, {out: c});
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const w2 = await circuit.calculateWitness({"in": bigInt(1).shiftLeft(252).add(bigInt.one)});
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c = [g[0], g[1]];
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for (let i=0; i<252;i++) {
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c = babyJub.addPoint(c,c);
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}
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c = babyJub.addPoint(c,g);
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await circuit.assertOut(w2, {out: c});
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}).timeout(10000000);
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it("Number of constrains for 256 bits", async () => {
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const circuit = await tester(path.join(__dirname, "circuits", "escalarmul_test_min.circom"));
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}).timeout(10000000);
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});
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