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