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pedersen2 adapted

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This commit is contained in:
Jordi Baylina
2019-12-13 19:05:20 +01:00
parent 4117ebc64a
commit a8107abbe9
6 changed files with 22435 additions and 45 deletions
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3
test/binsub.js
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@@ -1,8 +1,5 @@
const chai = require("chai");
const path = require("path");
const assert = chai.assert;
const bigInt = require("big-integer");
const tester = require("circom").tester;

14291
test/circuits/pedersen2_test.cpp Normal file
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8127
test/circuits/pedersen2_test.sym Normal file
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45
test/pedersen2.js
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@@ -1,11 +1,7 @@
const chai = require("chai");
const path = require("path");
const snarkjs = require("snarkjs");
const compiler = require("circom");
const assert = chai.assert;
const bigInt = snarkjs.bigInt;
const bigInt = require("big-integer");
const tester = require("circom").tester;
const babyJub = require("../src/babyjub.js");
const pedersen = require("../src/pedersenHash.js");
@@ -15,60 +11,39 @@ describe("Pedersen test", function() {
let circuit;
this.timeout(100000);
before( async() => {
const cirDef = await compiler(path.join(__dirname, "circuits", "pedersen2_test.circom"));
circuit = new snarkjs.Circuit(cirDef);
console.log("NConstrains Pedersen2: " + circuit.nConstraints);
circuit = await tester(path.join(__dirname, "circuits", "pedersen2_test.circom"));
});
it("Should pedersen at zero", async () => {
let w, xout, yout;
let w;
w = circuit.calculateWitness({ in: 0});
xout = w[circuit.getSignalIdx("main.out[0]")];
yout = w[circuit.getSignalIdx("main.out[1]")];
w = await circuit.calculateWitness({ in: 0});
const b = Buffer.alloc(32);
const h = pedersen.hash(b);
const hP = babyJub.unpackPoint(h);
/*
console.log(`[${xout.toString()}, ${yout.toString()}]`);
console.log(`[${hP[0].toString()}, ${hP[1].toString()}]`);
*/
await circuit.assertOut(w, {out: hP});
assert(xout.equals(hP[0]));
assert(yout.equals(hP[1]));
});
it("Should pedersen with 253 ones", async () => {
let w, xout, yout;
let w;
const n = bigInt.one.shl(253).sub(bigInt.one);
console.log(n.toString(16));
const n = bigInt.one.shiftLeft(253).minus(bigInt.one);
w = circuit.calculateWitness({ in: n});
xout = w[circuit.getSignalIdx("main.out[0]")];
yout = w[circuit.getSignalIdx("main.out[1]")];
w = await circuit.calculateWitness({ in: n});
const b = Buffer.alloc(32);
for (let i=0; i<31; i++) b[i] = 0xFF;
b[31] = 0x1F;
const h = pedersen.hash(b);
const hP = babyJub.unpackPoint(h);
/*
console.log(`[${xout.toString()}, ${yout.toString()}]`);
console.log(`[${hP[0].toString()}, ${hP[1].toString()}]`);
*/
await circuit.assertOut(w, {out: hP});
assert(xout.equals(hP[0]));
assert(yout.equals(hP[1]));
});
});