Pedersen2 and BitPoints MulFix and MulAny

test/escalarmulfix.js

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+const chai = require("chai");
+const path = require("path");
+const snarkjs = require("snarkjs");
+const compiler = require("circom");
+const babyjub = require("../src/babyjub");
+
+const assert = chai.assert;
+
+const bigInt = snarkjs.bigInt;
+
+
+function print(circuit, w, s) {
+    console.log(s + ": " + w[circuit.getSignalIdx(s)]);
+}
+
+describe("Escalarmul test", function () {
+    let circuit;
+
+    this.timeout(100000);
+
+    before( async() => {
+        const cirDef = await compiler(path.join(__dirname, "circuits", "escalarmulfix_test.circom"));
+        circuit = new snarkjs.Circuit(cirDef);
+        console.log("NConstrains Escalarmul fix: " + circuit.nConstraints);
+    });
+
+    it("Should generate Same escalar mul", async () => {
+
+        const w = circuit.calculateWitness({"e": 0});
+
+        assert(circuit.checkWitness(w));
+
+        const xout = w[circuit.getSignalIdx("main.out[0]")];
+        const yout = w[circuit.getSignalIdx("main.out[1]")];
+
+        assert(xout.equals(0));
+        assert(yout.equals(1));
+    });
+
+    it("Should generate Same escalar mul", async () => {
+
+        const w = circuit.calculateWitness({"e": 1});
+
+        assert(circuit.checkWitness(w));
+
+        const xout = w[circuit.getSignalIdx("main.out[0]")];
+        const yout = w[circuit.getSignalIdx("main.out[1]")];
+
+        assert(xout.equals(babyjub.Base8[0]));
+        assert(yout.equals(babyjub.Base8[1]));
+    });
+
+    it("If multiply by order should return 0", async () => {
+
+        const w = circuit.calculateWitness({"e": babyjub.subOrder });
+
+        assert(circuit.checkWitness(w));
+
+        const xout = w[circuit.getSignalIdx("main.out[0]")];
+        const yout = w[circuit.getSignalIdx("main.out[1]")];
+
+        assert(xout.equals(bigInt.zero));
+        assert(yout.equals(bigInt.one));
+    });
+
+});
+