Pedersen2 and BitPoints MulFix and MulAny

test/multiplexer.js

@@ -5,7 +5,7 @@ const compiler = require("circom");
 
 const assert = chai.assert;
 
-const bigInt = require("big-integer");
+const bigInt = snarkjs.bigInt;
 
 
 describe("Mux4 test", () => {
@@ -19,15 +19,63 @@ describe("Mux4 test", () => {
 
         const circuit = new snarkjs.Circuit(cirDef);
 
-        console.log("NConstrains: " + circuit.nConstraints);
+        console.log("NConstrains Mux4: " + circuit.nConstraints);
 
-        for (i=0; i<16; i++) {
-            const w = circuit.calculateWitness({ "selector": snarkjs.bigInt(i).toString() });
+        const ct16 = [
+            bigInt("123"),
+            bigInt("456"),
+            bigInt("789"),
+            bigInt("012"),
+            bigInt("111"),
+            bigInt("222"),
+            bigInt("333"),
+            bigInt("4546"),
+            bigInt("134523"),
+            bigInt("44356"),
+            bigInt("15623"),
+            bigInt("4566"),
+            bigInt("1223"),
+            bigInt("4546"),
+            bigInt("4256"),
+            bigInt("4456")
+        ];
 
-            assert(w[0].equals(snarkjs.bigInt(1)));
+        for (let i=0; i<16; i++) {
+            const w = circuit.calculateWitness({ "selector": i });
 
-            console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString());
-//            assert(w[circuit.getSignalIdx("main.out")].equals(snarkjs.bigInt("100").add(snarkjs.bigInt(i))));
+            assert(w[0].equals(bigInt(1)));
+
+            // console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString());
+            assert(w[circuit.getSignalIdx("main.out")].equals(ct16[i]));
+        }
+    });
+
+    it("Should create a constant multiplexer", async () => {
+
+        const cirDef = await compiler(path.join(__dirname, "circuits", "mux3_1.circom"));
+
+        const circuit = new snarkjs.Circuit(cirDef);
+
+        console.log("NConstrains Mux3: " + circuit.nConstraints);
+
+        const ct8 = [
+            bigInt("37"),
+            bigInt("47"),
+            bigInt("53"),
+            bigInt("71"),
+            bigInt("89"),
+            bigInt("107"),
+            bigInt("163"),
+            bigInt("191")
+        ];
+
+        for (let i=0; i<8; i++) {
+            const w = circuit.calculateWitness({ "selector": i });
+
+            assert(w[0].equals(bigInt(1)));
+
+            // console.log(i + " -> " + w[circuit.getSignalIdx("main.out")].toString());
+            assert(w[circuit.getSignalIdx("main.out")].equals(ct8[i]));
         }
     });
 });