137 lines
3.9 KiB
JavaScript
137 lines
3.9 KiB
JavaScript
const chai = require("chai");
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const path = require("path");
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const Fr = require("ffjavascript").bn128.Fr;
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const tester = require("circom").tester;
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const smt = require("../src/smt.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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async function testInclusion(tree, key, circuit) {
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const res = await tree.find(key);
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assert(res.found);
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let siblings = res.siblings;
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while (siblings.length<10) siblings.push(Fr.e(0));
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const w = await circuit.calculateWitness({
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enabled: 1,
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fnc: 0,
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root: tree.root,
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siblings: siblings,
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oldKey: 0,
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oldValue: 0,
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isOld0: 0,
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key: key,
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value: res.foundValue
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}, true);
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await circuit.checkConstraints(w);
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}
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async function testExclusion(tree, key, circuit) {
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const res = await tree.find(key);
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assert(!res.found);
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let siblings = res.siblings;
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while (siblings.length<10) siblings.push(Fr.e(0));
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const w = await circuit.calculateWitness({
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enabled: 1,
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fnc: 1,
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root: tree.root,
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siblings: siblings,
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oldKey: res.isOld0 ? 0 : res.notFoundKey,
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oldValue: res.isOld0 ? 0 : res.notFoundValue,
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isOld0: res.isOld0 ? 1 : 0,
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key: key,
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value: 0
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});
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await circuit.checkConstraints(w);
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}
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describe("SMT Verifier test", function () {
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let circuit;
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let tree;
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this.timeout(100000);
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before( async () => {
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circuit = await tester(path.join(__dirname, "circuits", "smtverifier10_test.circom"));
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tree = await smt.newMemEmptyTrie();
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await tree.insert(7,77);
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await tree.insert(8,88);
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await tree.insert(32,3232);
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});
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it("Check inclussion in a tree of 3", async () => {
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await testInclusion(tree, 7, circuit);
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await testInclusion(tree, 8, circuit);
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await testInclusion(tree, 32, circuit);
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});
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it("Check exclussion in a tree of 3", async () => {
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await testExclusion(tree, 0, circuit);
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await testExclusion(tree, 6, circuit);
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await testExclusion(tree, 9, circuit);
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await testExclusion(tree, 33, circuit);
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await testExclusion(tree, 31, circuit);
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await testExclusion(tree, 16, circuit);
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await testExclusion(tree, 64, circuit);
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});
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it("Check not enabled accepts any thing", async () => {
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let siblings = [];
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for (let i=0; i<10; i++) siblings.push(i);
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const w = await circuit.calculateWitness({
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enabled: 0,
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fnc: 0,
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root: 1,
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siblings: siblings,
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oldKey: 22,
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oldValue: 33,
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isOld0: 0,
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key: 44,
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value: 0
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});
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await circuit.checkConstraints(w);
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});
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it("Check inclussion Adria case", async () => {
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const e1_hi= Fr.e("17124152697573569611556136390143205198134245887034837071647643529178599000839");
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const e1_hv= Fr.e("19650379996168153643111744440707177573540245771926102415571667548153444658179");
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const e2ok_hi= Fr.e("16498254692537945203721083102154618658340563351558973077349594629411025251262");
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const e2ok_hv= Fr.e("19650379996168153643111744440707177573540245771926102415571667548153444658179");
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const e2fail_hi= Fr.e("17195092312975762537892237130737365903429674363577646686847513978084990105579");
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const e2fail_hv= Fr.e("19650379996168153643111744440707177573540245771926102415571667548153444658179");
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const tree1 = await smt.newMemEmptyTrie();
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await tree1.insert(e1_hi,e1_hv);
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await tree1.insert(e2ok_hi,e2ok_hv);
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await testInclusion(tree1, e2ok_hi, circuit);
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const tree2 = await smt.newMemEmptyTrie();
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await tree2.insert(e1_hi,e1_hv);
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await tree2.insert(e2fail_hi,e2fail_hv);
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await testInclusion(tree2, e2fail_hi, circuit);
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});
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});
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