Add deposit zkProof generation

index.js

@@ -0,0 +1,49 @@
+var circuit = {};
+var provingKey = {};
+var witnessCalc = {};
+
+function loadCircuit(circuitname) {
+  fetch("circuits-files/"+circuitname+"-proving_key.bin").then( (response) => {
+    return response.arrayBuffer();
+  }).then( (b) => {
+    provingKey[circuitname] = b;
+    console.log("proving_key loaded for", circuitname);
+  });
+
+  fetch("circuits-files/"+circuitname+".wasm").then( (response) => {
+    return response.arrayBuffer();
+  }).then( (b) => {
+    witnessCalc[circuitname] = b;
+    console.log("w", b);
+    console.log("witnessCalc loaded for", circuitname);
+  });
+}
+
+async function deposit(circuitname) {
+  console.log("circuit:", circuitname);
+
+  // TODO
+  const secret = "1234567890";
+  const nullifier = "567891234";
+  const commitments = [];
+
+  // witness
+  console.log(witnessCalc[circuitname]);
+  const witness = await miksi.calcWitness(witnessCalc[circuitname], secret, nullifier, commitments);
+  console.log("w", witness);
+
+  // proof
+  const start = new Date().getTime();
+  console.log(provingKey[circuitname]);
+  const proof = await window.groth16GenProof(witness.buffer, provingKey[circuitname]);
+  const end = new Date().getTime();
+  const time = end - start;
+  console.log("circuit " + circuitname + " took " + time + "ms to compute");
+  console.log(proof);
+}
+
+loadCircuit("deposit");
+loadCircuit("withdraw");
+
+
+// var web3 = new Web3(Web3.givenProvider || "ws://localhost:8545");