Jordi Baylina
6 years ago
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11 changed files with 24595 additions and 146 deletions
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+31 -5circuits/smt/smtinsert.circom
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+5 -2circuits/smt/smtinsertlevel.circom
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+39 -30circuits/smt/smtinsertsm.circom
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+2 -1circuits/smt/smtlevins.circom
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+54 -34package-lock.json
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+14 -15src/mimc7.js
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+127 -13src/smt.js
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+28 -9src/smt_memdb.js
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+23994 -0test.sig
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+138 -37test/smt.js
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+163 -0test/smtjs.js
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test.sig
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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 assert = chai.assert; |
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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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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("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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}); |
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