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WIP smt test
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Eduard S
231
test/smttestvectors.js
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231
test/smttestvectors.js
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const chai = require("chai");
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const snarkjs = require("snarkjs");
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const smt = require("../src/smt.js");
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const mimcjs = require("../src/mimc7.js");
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const assert = chai.assert;
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const expect = chai.expect;
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const bigInt = snarkjs.bigInt;
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function stringifyBigInts(o) {
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if ((typeof(o) == "bigint") || (o instanceof bigInt)) {
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return o.toString(10);
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} else if (Array.isArray(o)) {
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return o.map(stringifyBigInts);
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} else if (typeof o == "object") {
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const res = {};
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for (let k in o) {
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res[k] = stringifyBigInts(o[k]);
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}
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return res;
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} else {
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return o;
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}
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}
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function newEntryFromInts(a, b, c, d) {
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return {
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hi: mimcjs.hash(c, d),
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hv: mimcjs.hash(a, b),
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};
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}
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function smtHash(arr) {
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let r = bigInt(0);
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for (let i=0; i<arr.length; i++) {
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r = mimcjs.hash(r, bigInt(arr[i]), 91 );
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}
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return r;
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}
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describe("SMT Javascript test", function () {
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this.timeout(100000);
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before( async () => {
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});
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it("test MIMC7", async() => {
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//const h = mimcjs.multiHash(1,2,3);
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//const h = smtHash([1,2,3]);
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//console.log(h.toString(10));
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const mimcjs = require("../src/mimc7.js");
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const snarkjs = require("snarkjs");
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const bigInt = snarkjs.bigInt;
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const smt = require("../src/smt.js");
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h = mimcjs.hash(1,2,91);
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console.log(h);
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function smtHash(arr) {
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let r = bigInt(0);
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for (let i=0; i<arr.length; i++) {
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r = mimcjs.hash(r, bigInt(arr[i]), 91 );
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}
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return r;
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}
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console.log(smtHash([1, 2, 3]));
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// Test from old ver
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});
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//it("Should calculate hindex", async() => {
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// const entry = newEntryFromInts(12, 45, 78, 41);
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// //console.log(entry.hi.toString(16));
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// expect(entry.hi.toString(16)).to.be.
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// equal("114438e8321f62c4a1708f443a5a66f9c8fcb0958e7b7008332b71442610b7a0");
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//});
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//it("Should insert 2 elements and empty them", async () => {
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// const tree = await smt.newMemEmptyTrie();
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// const key1 = bigInt(111);
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// const value1 = bigInt(222);
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// const key2 = bigInt(333);
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// const value2 = bigInt(444);
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// await tree.insert(key1,value1);
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// await tree.insert(key2,value2);
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// await tree.delete(key2);
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// await tree.delete(key1);
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// assert(tree.root.isZero());
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//});
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//it("Should insert 3 elements in dferent order and should be the same", async () => {
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// const keys = [bigInt(8), bigInt(9), bigInt(32)];
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// const values = [bigInt(88), bigInt(99), bigInt(3232)];
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// const tree1 = await smt.newMemEmptyTrie();
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// const tree2 = await smt.newMemEmptyTrie();
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// const tree3 = await smt.newMemEmptyTrie();
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// const tree4 = await smt.newMemEmptyTrie();
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// const tree5 = await smt.newMemEmptyTrie();
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// const tree6 = await smt.newMemEmptyTrie();
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// await tree1.insert(keys[0],values[0]);
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// await tree1.insert(keys[1],values[1]);
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// await tree1.insert(keys[2],values[2]);
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// await tree2.insert(keys[0],values[0]);
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// await tree2.insert(keys[2],values[2]);
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// await tree2.insert(keys[1],values[1]);
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// await tree3.insert(keys[1],values[1]);
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// await tree3.insert(keys[0],values[0]);
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// await tree3.insert(keys[2],values[2]);
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// await tree4.insert(keys[1],values[1]);
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// await tree4.insert(keys[2],values[2]);
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// await tree4.insert(keys[0],values[0]);
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// await tree5.insert(keys[2],values[2]);
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// await tree5.insert(keys[0],values[0]);
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// await tree5.insert(keys[1],values[1]);
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// await tree6.insert(keys[2],values[2]);
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// await tree6.insert(keys[1],values[1]);
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// await tree6.insert(keys[0],values[0]);
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// assert(tree1.root.equals(tree2.root));
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// assert(tree2.root.equals(tree3.root));
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// assert(tree3.root.equals(tree4.root));
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// assert(tree4.root.equals(tree5.root));
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// assert(tree5.root.equals(tree6.root));
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// assert.equal(Object.keys(tree1.db.nodes).length, Object.keys(tree2.db.nodes).length);
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// assert.equal(Object.keys(tree2.db.nodes).length, Object.keys(tree3.db.nodes).length);
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// assert.equal(Object.keys(tree3.db.nodes).length, Object.keys(tree4.db.nodes).length);
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// assert.equal(Object.keys(tree4.db.nodes).length, Object.keys(tree5.db.nodes).length);
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// assert.equal(Object.keys(tree5.db.nodes).length, Object.keys(tree6.db.nodes).length);
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// await tree1.delete(keys[0]);
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// await tree1.delete(keys[1]);
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// await tree2.delete(keys[1]);
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// await tree2.delete(keys[0]);
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// assert(tree1.root.equals(tree2.root));
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// await tree3.delete(keys[0]);
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// await tree3.delete(keys[2]);
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// await tree4.delete(keys[2]);
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// await tree4.delete(keys[0]);
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// assert(tree3.root.equals(tree4.root));
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// await tree5.delete(keys[1]);
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// await tree5.delete(keys[2]);
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// await tree6.delete(keys[2]);
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// await tree6.delete(keys[1]);
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// assert(tree5.root.equals(tree6.root));
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// await tree1.delete(keys[2]);
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// await tree2.delete(keys[2]);
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// await tree3.delete(keys[1]);
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// await tree4.delete(keys[1]);
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// await tree5.delete(keys[0]);
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// await tree6.delete(keys[0]);
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// assert(tree1.root.isZero());
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// assert(tree2.root.isZero());
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// assert(tree3.root.isZero());
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// assert(tree4.root.isZero());
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// assert(tree5.root.isZero());
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// assert(tree6.root.isZero());
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// assert.equal(Object.keys(tree1.db.nodes).length, 0);
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// assert.equal(Object.keys(tree2.db.nodes).length, 0);
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// assert.equal(Object.keys(tree3.db.nodes).length, 0);
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// assert.equal(Object.keys(tree4.db.nodes).length, 0);
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// assert.equal(Object.keys(tree5.db.nodes).length, 0);
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// assert.equal(Object.keys(tree6.db.nodes).length, 0);
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//});
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//it("Insert and remove 100 numbers randomly", async () => {
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// function perm(a) {
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// const arr = a.slice();
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// const rArr = [];
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// for (let i=0; i<arr.length; i++) {
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// let rIdx = Math.floor(Math.random() * (arr.length - i));
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// rArr.push(arr[rIdx]);
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// arr[rIdx] = arr[arr.length - i - 1];
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// }
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// return rArr;
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// }
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// const tree = await smt.newMemEmptyTrie();
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// const arr = [];
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// const N = 100;
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// for (let i=0; i<N; i++) {
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// arr.push(bigInt(i));
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// }
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// const insArr = perm(arr);
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// for (let i=0; i<N; i++) {
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// await tree.insert(insArr[i], i);
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// }
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// const delArr = perm(insArr);
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// for (let i=0; i<N; i++) {
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// await tree.delete(delArr[i]);
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// }
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// assert(tree.root.isZero());
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// assert.equal(Object.keys(tree.db.nodes).length, 0);
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//});
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//it("Should test update", async () => {
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// const tree1 = await smt.newMemEmptyTrie();
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// const tree2 = await smt.newMemEmptyTrie();
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// await tree1.insert(8,88);
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// await tree1.insert(9,99,);
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// await tree1.insert(32,3232);
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// await tree2.insert(8,888);
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// await tree2.insert(9,999);
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// await tree2.insert(32,323232);
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// await tree1.update(8, 888);
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// await tree1.update(9, 999);
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// await tree1.update(32, 323232);
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// assert(tree1.root.equals(tree2.root));
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//});
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});
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