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Update to use key from contract

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arnaucube
2020-05-18 17:08:13 +02:00
parent c2446cba36
commit c673a1e3e2
8 changed files with 56 additions and 30 deletions
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30
index.js
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@@ -1,8 +1,9 @@
var circuit = {};
var provingKey = {};
var witnessCalc = {};
const abi = JSON.parse(`[{"inputs":[{"internalType":"address","name":"_depositVerifierContractAddr","type":"address"},{"internalType":"address","name":"_withdrawVerifierContractAddr","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_commitment","type":"uint256"},{"internalType":"uint256","name":"_root","type":"uint256"},{"internalType":"uint256[2]","name":"a","type":"uint256[2]"},{"internalType":"uint256[2][2]","name":"b","type":"uint256[2][2]"},{"internalType":"uint256[2]","name":"c","type":"uint256[2]"}],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"getCommitments","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"_address","type":"address"},{"internalType":"uint256","name":"nullifier","type":"uint256"},{"internalType":"uint256[2]","name":"a","type":"uint256[2]"},{"internalType":"uint256[2][2]","name":"b","type":"uint256[2][2]"},{"internalType":"uint256[2]","name":"c","type":"uint256[2]"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]`);
const miksiAddress = "0x29DB549Ea98d41e0F28A5aA50ED1D37d62BA8C4B";
const abi = JSON.parse(`[{"inputs":[{"internalType":"address","name":"_depositVerifierContractAddr","type":"address"},{"internalType":"address","name":"_withdrawVerifierContractAddr","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_commitment","type":"uint256"},{"internalType":"uint256","name":"_root","type":"uint256"},{"internalType":"uint256[2]","name":"a","type":"uint256[2]"},{"internalType":"uint256[2][2]","name":"b","type":"uint256[2][2]"},{"internalType":"uint256[2]","name":"c","type":"uint256[2]"}],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"getCommitments","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"_address","type":"address"},{"internalType":"uint256","name":"nullifier","type":"uint256"},{"internalType":"uint256[2]","name":"a","type":"uint256[2]"},{"internalType":"uint256[2][2]","name":"b","type":"uint256[2][2]"},{"internalType":"uint256[2]","name":"c","type":"uint256[2]"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]`);
const miksiAddress = "0x3a88725bf9ABc85Dca64A4e6bc629D448032FA0F";
let metamask = false;
function loadCircuit(circuitname) {
fetch("circuits-files/"+circuitname+"-proving_key.bin").then( (response) => {
@@ -22,6 +23,10 @@ function loadCircuit(circuitname) {
}
async function deposit(circuitname) {
if (!metamask) {
toastr.error("Please install/connect Metamask");
return;
}
document.getElementById("depositRes").innerHTML = `
Generating zkProof & making the deposit
`;
@@ -30,17 +35,18 @@ async function deposit(circuitname) {
// TODO
const secret = miksi.randBigInt().toString();
const nullifier = miksi.randBigInt().toString();
// const secret = "1234567890";
// const nullifier = "5678901234";
let res = await miksiContract.methods.getCommitments().call();
console.log("res", res);
const commitments = res[0];
const key = res[2];
console.log("commitments", commitments);
console.log("key", key);
// getCommitments from the tree
// calculate witness
console.log(witnessCalc[circuitname]);
const cw = await miksi.calcDepositWitness(witnessCalc[circuitname], secret, nullifier, commitments);
const cw = await miksi.calcDepositWitness(witnessCalc[circuitname], secret, nullifier, commitments, key);
const witness = cw.witness;
const publicInputs = cw.publicInputs;
console.log("w", witness);
@@ -90,7 +96,8 @@ async function deposit(circuitname) {
// print secret & nullifier
let jw = {
secret: secret,
nullifier: nullifier
nullifier: nullifier,
key: key
};
console.log("jw", JSON.stringify(jw));
document.getElementById("depositRes").innerHTML = `
@@ -101,6 +108,10 @@ async function deposit(circuitname) {
}
async function withdraw(circuitname) {
if (!metamask) {
toastr.error("Please install/connect Metamask");
return;
}
document.getElementById("withdrawRes").innerHTML = `
Generating zkProof & making the withdraw
`;
@@ -108,6 +119,7 @@ async function withdraw(circuitname) {
const jw = JSON.parse(document.getElementById("jsonWithdraw").value);
const secret = jw.secret;
const nullifier = jw.nullifier;
const key = jw.key;
console.log(secret, nullifier);
const commitment = miksi.calcCommitment(secret, nullifier);
@@ -121,7 +133,7 @@ async function withdraw(circuitname) {
console.log(witnessCalc[circuitname]);
const proverAccounts = await web3.eth.getAccounts();
const addr = proverAccounts[0];
const cw = await miksi.calcWithdrawWitness(witnessCalc[circuitname], secret, nullifier, commitments, addr);
const cw = await miksi.calcWithdrawWitness(witnessCalc[circuitname], secret, nullifier, commitments, addr, key);
const witness = cw.witness;
const publicInputs = cw.publicInputs;
console.log("w", witness);
@@ -192,12 +204,16 @@ async function connectMetamask() {
}
if (!ethEnabled()) {
toastr.warning("Please install Metamask to use miksi");
alert("Please install MetaMask to use miksi");
} else {
metamask = true;
}
console.log("abi", abi);
miksiContract = new web3.eth.Contract(abi, miksiAddress);
console.log("miksiContract", miksiContract);
toastr.info("Metamask connected. Miksi contract: ", miksiAddress);
const acc = await web3.eth.getAccounts();
const addr = acc[0];