Merge branch 'arnaucube-master'

5 years ago · 59f6e971cf
5 changed files with 253 additions and 250 deletions
--- a/circuits/poseidon.circom
+++ b/circuits/poseidon.circom
@ -41,119 +41,120 @@ template Mix(t, M) {
 template Poseidon(nInputs, t, nRoundsF, nRoundsP) {

    var C = [
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    ];

    var M = [
        [
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        ],[
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        ],[
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        ],[
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        ],[
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        ]
    ];


    signal input inputs[nInputs];
    signal output out;

--- a/package-lock.json
+++ b/package-lock.json
@ -13,9 +13,9 @@
      }
    },
    "@babel/highlight": {
      "version": "7.0.0",
      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
      "version": "7.5.0",
      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
      "requires": {
        "chalk": "^2.0.0",
        "esutils": "^2.0.2",
@ -44,9 +44,9 @@
      "integrity": "sha512-QcAKpaO6nhHLlxWBvpc4WeLrTvPqlHOvaj0s5GriKkA1zq+bsFBPpfYCvQhLqLgYlIko8A9YrPdaMHCo5mBcpg=="
    },
    "acorn": {
      "version": "6.1.1",
      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA=="
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          "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
          "requires": {
            "fast-deep-equal": "^2.0.1",
            "fast-json-stable-stringify": "^2.0.0",
            "json-schema-traverse": "^0.4.1",
            "uri-js": "^4.2.2"
          }
        },
        "ansi-regex": {
          "version": "4.1.0",
          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
@ -4966,7 +4946,7 @@
    },
    "through": {
      "version": "2.3.8",
      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
    },
    "through2": {
@ -5061,9 +5041,9 @@
      }
    },
    "tslib": {
      "version": "1.9.3",
      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
      "version": "1.10.0",
      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
    },
    "type": {
      "version": "1.0.1",
@ -5598,14 +5578,13 @@
      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
    },
    "wordwrap": {
      "version": "0.0.3",
      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
      "dev": true
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
    },
    "wrap-ansi": {
      "version": "2.1.0",
      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
      "requires": {
        "string-width": "^1.0.1",
@ -5627,7 +5606,7 @@
        },
        "string-width": {
          "version": "1.0.2",
          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
          "requires": {
            "code-point-at": "^1.0.0",
@ -5637,7 +5616,7 @@
        },
        "strip-ansi": {
          "version": "3.0.1",
          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
          "requires": {
            "ansi-regex": "^2.0.0"
@ -5705,9 +5684,9 @@
      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
    },
    "xtend": {
      "version": "4.0.1",
      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
      "version": "4.0.2",
      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
    },
    "y18n": {
      "version": "4.0.0",
--- a/package.json
+++ b/package.json
@ -25,6 +25,7 @@
  "license": "GPL-3.0",
  "dependencies": {
    "blake-hash": "^1.1.0",
    "blake2b": "^2.1.3",
    "snarkjs": "0.1.11",
    "typedarray-to-buffer": "^3.1.5",
    "web3": "^1.0.0-beta.55"
--- a/src/poseidon.js
+++ b/src/poseidon.js
@ -1,6 +1,6 @@
 const bn128 = require("snarkjs").bn128;
 const bigInt = require("snarkjs").bigInt;
 const createBlakeHash = require("blake-hash");
 const blake2b = require('blake2b');
 const assert = require("assert");
 const F = bn128.Fr;

@ -11,11 +11,12 @@ const T = 6;

 function getPseudoRandom(seed, n) {
    const res = [];
    let h = createBlakeHash("blake256").update(seed).digest();
    let input = Buffer.from(seed);
    let h = blake2b(32).update(input).digest()
    while (res.length<n) {
        const n = F.affine(bigInt.leBuff2int(h));
        res.push(n);
        h = createBlakeHash("blake256").update(h).digest();
        h = blake2b(32).update(h).digest()
    }

    return res;
--- a/test/poseidoncircuit.js
+++ b/test/poseidoncircuit.js
@ -2,11 +2,21 @@ const chai = require("chai");
 const path = require("path");
 const snarkjs = require("snarkjs");
 const compiler = require("circom");
 var blake2b = require('blake2b');

 const poseidon = require("../src/poseidon.js");

 const assert = chai.assert;

 describe("Blake2b version test", function() {
    it("Should give the expected output for blake2b version", async () => {
        var output = new Uint8Array(32);
        var input = Buffer.from('poseidon_constants');
        h = blake2b(output.length).update(input).digest('hex')
        assert.equal('e57ba154fb2c47811dc1a2369b27e25a44915b4e4ece4eb8ec74850cb78e01b1', h);
    });
 });

 describe("Poseidon Circuit test", function () {
    let circuit;

@ -20,7 +30,7 @@ describe("Poseidon Circuit test", function () {
        console.log("Poseidon constraints: " + circuit.nConstraints);
    });

    it("Should check constrain", async () => {
    it("Should check constrain of hash([1, 2])", async () => {
        const w = circuit.calculateWitness({inputs: [1, 2]});

        const res = w[circuit.getSignalIdx("main.out")];
@ -28,12 +38,23 @@ describe("Poseidon Circuit test", function () {
        const hash = poseidon.createHash(6, 8, 57);

        const res2 = hash([1,2]);
        assert.equal('12242166908188651009877250812424843524687801523336557272219921456462821518061', res2.toString());
        assert.equal(res.toString(), res2.toString());
        assert(circuit.checkWitness(w));
    });

        console.log(res.toString());
    it("Should check constrain of hash([3, 4])", async () => {
        const w = circuit.calculateWitness({inputs: [3, 4]});

        const res = w[circuit.getSignalIdx("main.out")];

        const hash = poseidon.createHash(6, 8, 57);

        const res2 = hash([3, 4]);
        assert.equal('17185195740979599334254027721507328033796809509313949281114643312710535000993', res2.toString());

        assert.equal(res.toString(), res2.toString());

        assert(circuit.checkWitness(w));

    });
 });