99 lines
2.8 KiB
JavaScript
99 lines
2.8 KiB
JavaScript
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 fs = require("fs")
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const bigInt = snarkjs.bigInt;
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const smt = require("../src/smt.js");
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const circuitSource = `
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include "../circuits/smt/smtverifier.circom";
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template SMT(nLevels) {
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signal input root;
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signal input mtp[nLevels];
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signal input hi;
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signal input hv;
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component smtClaimExists = SMTVerifier(nLevels);
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smtClaimExists.enabled <== 1;
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smtClaimExists.fnc <== 0;
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smtClaimExists.root <== root;
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for (var i=0; i<nLevels; i++) {
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smtClaimExists.siblings[i] <== mtp[i];
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}
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smtClaimExists.oldKey <== 0;
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smtClaimExists.oldValue <== 0;
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smtClaimExists.isOld0 <== 0;
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smtClaimExists.key <== hi;
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smtClaimExists.value <== hv;
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}
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component main = SMT(4);
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`;
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describe("smt3test", function () {
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this.timeout(200000);
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let circuitFileName;
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before( async () => {
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circuitFileName = path.join(__dirname, ".", "rawsmt3.circom");
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fs.writeFileSync(circuitFileName,circuitSource);
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});
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const levels = 4;
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async function testsmt3(e1, e2) {
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let tree = await smt.newMemEmptyTrie();
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// insert e1, e2
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await tree.insert(e1.hi, e1.hv);
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await tree.insert(e2.hi, e2.hv);
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// generate proof for e1
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const findInfo = await tree.find(e1.hi);
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const siblings = findInfo.siblings;
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while (siblings.length < levels) siblings.push(bigInt(0));
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const input = {
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root: tree.root,
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mtp: siblings,
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hi: e1.hi,
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hv: e1.hv,
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};
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const compiledCircuit = await compiler(
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circuitFileName,
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{ reduceConstraints: false }
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);
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const circuit = new snarkjs.Circuit(compiledCircuit);
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const witness = circuit.calculateWitness(input);
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circuit.checkWitness(witness);
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}
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it("TestSmts", async () => {
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const e1 = {
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hi: bigInt("17124152697573569611556136390143205198134245887034837071647643529178599000839"),
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hv: bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"),
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};
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const e2ok = {
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hi: bigInt("16498254692537945203721083102154618658340563351558973077349594629411025251262"),
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hv: bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"),
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};
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const e2fail = {
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hi: bigInt("17195092312975762537892237130737365903429674363577646686847513978084990105579"),
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hv: bigInt("19650379996168153643111744440707177573540245771926102415571667548153444658179"),
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};
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console.log("test e1, e2ok");
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await testsmt3(e1, e2ok);
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console.log("test e1, e2fail");
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await testsmt3(e1, e2fail);
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});
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});
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