61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
const chai = require("chai");
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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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var blake2b = require('blake2b');
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const poseidon = require("../src/poseidon.js");
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const assert = chai.assert;
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describe("Blake2b version test", function() {
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it("Should give the expected output for blake2b version", async () => {
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var output = new Uint8Array(32);
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var input = Buffer.from('poseidon_constants');
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h = blake2b(output.length).update(input).digest('hex')
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assert.equal('e57ba154fb2c47811dc1a2369b27e25a44915b4e4ece4eb8ec74850cb78e01b1', h);
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});
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});
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describe("Poseidon Circuit test", function () {
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let circuit;
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this.timeout(100000);
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before( async () => {
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const cirDef = await compiler(path.join(__dirname, "circuits", "poseidon_test.circom"));
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circuit = new snarkjs.Circuit(cirDef);
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console.log("Poseidon constraints: " + circuit.nConstraints);
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});
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it("Should check constrain of hash([1, 2])", async () => {
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const w = circuit.calculateWitness({inputs: [1, 2]});
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const res = w[circuit.getSignalIdx("main.out")];
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const hash = poseidon.createHash(6, 8, 57);
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const res2 = hash([1,2]);
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assert.equal('12242166908188651009877250812424843524687801523336557272219921456462821518061', res2.toString());
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assert.equal(res.toString(), res2.toString());
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assert(circuit.checkWitness(w));
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});
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it("Should check constrain of hash([3, 4])", async () => {
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const w = circuit.calculateWitness({inputs: [3, 4]});
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const res = w[circuit.getSignalIdx("main.out")];
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const hash = poseidon.createHash(6, 8, 57);
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const res2 = hash([3, 4]);
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assert.equal('17185195740979599334254027721507328033796809509313949281114643312710535000993', res2.toString());
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assert.equal(res.toString(), res2.toString());
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assert(circuit.checkWitness(w));
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});
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});
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