76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
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const chai = require("chai");
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const path = require("path");
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const snarkjs = require("@tornado/snarkjs");
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const compiler = require("circom");
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const assert = chai.assert;
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const bigInt = snarkjs.bigInt;
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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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function getBits(v, n) {
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const res = [];
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for (let i=0; i<n; i++) {
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if (v.shr(i).isOdd()) {
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res.push(bigInt.one);
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} else {
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res.push(bigInt.zero);
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}
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}
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return res;
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}
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const r = bigInt("2736030358979909402780800718157159386076813972158567259200215660948447373041");
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describe("Aliascheck test", () => {
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let circuit;
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before( async() => {
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const cirDef = await compiler(path.join(__dirname, "circuits", "aliascheckbabyjub_test.circom"));
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circuit = new snarkjs.Circuit(cirDef);
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console.log("NConstrains: " + circuit.nConstraints);
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});
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it("Satisfy the aliastest 0", async () => {
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const inp = getBits(bigInt.zero, 251);
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circuit.calculateWitness({in: inp});
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});
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it("Satisfy the aliastest 3", async () => {
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const inp = getBits(bigInt(3), 251);
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circuit.calculateWitness({in: inp});
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});
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it("Satisfy the aliastest r-1", async () => {
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const inp = getBits(r.sub(bigInt.one), 251);
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circuit.calculateWitness({in: inp});
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});
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it("Nhot not satisfy an input of r", async () => {
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const inp = getBits(r, 251);
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try {
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circuit.calculateWitness({in: inp});
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assert(false);
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} catch(err) {
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assert(err.message.indexOf("Constraint doesn't match") >= 0);
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assert(err.message.indexOf("1 != 0") >= 0);
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}
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});
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it("Nhot not satisfy all ones", async () => {
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const inp = getBits(bigInt(1).shl(251).sub(bigInt(1)), 251);
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try {
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circuit.calculateWitness({in: inp});
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assert(false);
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} catch(err) {
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assert(err.message.indexOf("Constraint doesn't match") >= 0);
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assert(err.message.indexOf("1 != 0") >= 0);
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}
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});
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});
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