1const path = require("path");
 2const tester = require("circom").tester;
 3const chai = require("chai");
 4const assert = chai.assert;
 5const circomlib = require("circomlib");
 6const smt = require("circomlib").smt;
 7
 8export {};
 9
10describe("deposit test", function () {
11    this.timeout(200000);
12
13
14    it("Test Deposit", async () => {
15        const circuit = await tester(
16            path.join(__dirname, "../../circuits", "deposit.circom"),
17            {reduceConstraints: false}
18        );
19
20        const nLevels = 5;
21        const secret = "1234567890";
22
23        const coinCode = "0";
24        const amount = '1000000000000000000';
25        const nullifier = "567891234";
26
27        const poseidon = circomlib.poseidon.createHash(6, 8, 57);
28        const commitment = poseidon([coinCode, amount, secret, nullifier]).toString();
29
30        // add commitment into SMT
31        let tree = await smt.newMemEmptyTrie();
32        await tree.insert(1, 0);
33        // await tree.insert(2, 0);
34
35        let rootOld = tree.root;
36        let res = await tree.find(commitment);
37        // console.log(res);
38        assert(!res.found);
39        let siblingsOld = res.siblings;
40        while (siblingsOld.length < nLevels) {
41            siblingsOld.push("0");
42        };
43        console.log("siblingsOld", siblingsOld);
44
45        await tree.insert(commitment, 0);
46        let rootNew = tree.root;
47
48        res = await tree.find(commitment);
49        // console.log(res);
50        assert(res.found);
51        let siblingsNew = res.siblings;
52        while (siblingsNew.length < nLevels) {
53            siblingsNew.push("0");
54        };
55        console.log("siblingsNew", siblingsNew);
56        console.log("rootOld", rootOld);
57        console.log("rootNew", rootNew);
58        
59        const witness = await circuit.calculateWitness({
60            "coinCode": coinCode,
61            "amount": amount,
62            "secret": secret,
63            "nullifier": nullifier,
64            "oldKey": "1",
65            "siblingsOld": siblingsOld,
66            "siblingsNew": siblingsNew,
67            "rootOld": rootOld,
68            "rootNew": rootNew,
69            "commitment": commitment
70        });
71        await circuit.checkConstraints(witness);
72    });
73});