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use RLNContract

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This commit is contained in:
Sasha 2023-04-12 00:28:29 +02:00
parent 28f25e14d6
commit 1186b135b6
No known key found for this signature in database
1 changed files with 60 additions and 59 deletions
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119
examples/rln-js/index.html
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@ -147,7 +147,8 @@
MembershipKey,
RLNDecoder,
RLNEncoder,
} from "https://unpkg.com/@waku/rln@0.0.13/bundle/index.js";
RLNContract,
} from "https://unpkg.com/@waku/rln@0.0.13-fae4bea/bundle/index.js";
import { ethers } from "https://unpkg.com/ethers@5.7.2/dist/ethers.esm.min.js";
@ -225,6 +226,28 @@
.add(new protobuf.Field("nick", 2, "string"))
.add(new protobuf.Field("text", 3, "bytes"));
const rlnDeployBlk = 8813000;
const rlnAddress = "0x4252105670fe33d2947e8ead304969849e64f2a6";
const rlnAbi = [
"function MEMBERSHIP_DEPOSIT() public view returns(uint256)",
"function register(uint256 pubkey) external payable",
"function withdraw(uint256 secret, uint256 _pubkeyIndex, address payable receiver) external",
"event MemberRegistered(uint256 pubkey, uint256 index)",
"event MemberWithdrawn(uint256 pubkey, uint256 index)",
];
const provider = new ethers.providers.Web3Provider(
window.ethereum,
"any"
);
let accounts;
let signature;
let rlnContract = new RLNContract({
address: rlnAddress,
provider: provider.getSigner(),
});
// Function to update the fields to guide the user by disabling buttons.
const updateFields = () => {
if (membershipKey) {
@ -283,15 +306,14 @@
importFromWalletButton.onclick = async () => {
const signer = provider.getSigner();
const signature = await signer.signMessage(SIGNATURE_MESSAGE);
signature = await signer.signMessage(SIGNATURE_MESSAGE);
membershipKey = await rlnInstance.generateSeededMembershipKey(
signature
);
const idCommitment = ethers.utils.hexlify(membershipKey.IDCommitment);
allMemberships.forEach((m) => {
rlnContract.members.forEach((m) => {
if (m.pubkey._hex === idCommitment) {
membershipId = m.index.toString();
}
@ -308,40 +330,13 @@
}
};
const rlnDeployBlk = 8813000;
const rlnAddress = "0x4252105670fe33d2947e8ead304969849e64f2a6";
const rlnAbi = [
"function MEMBERSHIP_DEPOSIT() public view returns(uint256)",
"function register(uint256 pubkey) external payable",
"function withdraw(uint256 secret, uint256 _pubkeyIndex, address payable receiver) external",
"event MemberRegistered(uint256 pubkey, uint256 index)",
"event MemberWithdrawn(uint256 pubkey, uint256 index)",
];
const provider = new ethers.providers.Web3Provider(
window.ethereum,
"any"
);
let accounts;
let rlnContract;
const handleMembership = (pubkey, index) => {
const updateLastMember = (pubkey, index) => {
try {
allMemberships.push({ pubkey, index });
const idCommitment = ethers.utils.zeroPad(
ethers.utils.arrayify(pubkey),
32
);
rlnInstance.insertMember(idCommitment);
const indexInt = index.toNumber();
if (
!latestMembershipSpan.innerText ||
indexInt > latestMembershipSpan.innerText
) {
latestMembershipSpan.innerText = indexInt;
}
console.debug(
"IDCommitment registered in tree",
idCommitment,
@ -372,24 +367,19 @@
};
retrieveRLNDetailsButton.onclick = async () => {
rlnContract = new ethers.Contract(rlnAddress, rlnAbi, provider);
const filter = rlnContract.contract.filters.MemberRegistered();
const filter = rlnContract.filters.MemberRegistered();
// populating merkle tree:
const alreadyRegisteredMembers = await rlnContract.queryFilter(
filter,
rlnDeployBlk
);
alreadyRegisteredMembers.forEach((event) => {
handleMembership(event.args.pubkey, event.args.index, event);
});
await rlnContract.fetchMembers(rlnInstance, rlnDeployBlk);
rlnContract.subscribeToMembers(rlnInstance);
retrievedRLNEvents = true;
// reacting to new registrations
rlnContract.on(filter, (pubkey, index, event) => {
handleMembership(event.args.pubkey, event.args.index, event);
const { pubkey, index } = rlnContract.members.at(-1);
updateLastMember(pubkey, index);
// make sure we have subscriptions to keep updating last item
rlnContract.contract.on(filter, (pubkey, index, event) => {
updateLastMember(event.args.pubkey, event.args.index);
});
updateFields();
};
@ -403,30 +393,41 @@
try {
registerButton.disabled = true;
const idCommitment = membershipKey.IDCommitment;
const reversedArray = idCommitment.slice().reverse();
const pubkey = ethers.utils.hexlify(reversedArray).toString();
let event;
const price = await rlnContract.MEMBERSHIP_DEPOSIT();
if (signature) {
event = await rlnContract.registerMember(rlnInstance, signature);
} else {
// if user imports credentials manually
// TODO: add logic to cover it in RLNContract
const idCommitment = membershipKey.IDCommitment;
const reversedArray = idCommitment.slice().reverse();
const pubkey = ethers.utils.hexlify(reversedArray).toString();
const signer = provider.getSigner();
const rlnContractWithSigner = rlnContract.connect(signer);
const price = await rlnContract.MEMBERSHIP_DEPOSIT();
const txResponse = await rlnContractWithSigner.register(pubkey, {
value: price,
});
console.log("Transaction broadcasted:", txResponse);
const signer = provider.getSigner();
const rlnContractWithSigner = rlnContract.connect(signer);
const txReceipt = await txResponse.wait();
const txResponse = await rlnContractWithSigner.register(pubkey, {
value: price,
});
console.log("Transaction broadcasted:", txResponse);
console.log("Transaction receipt", txReceipt);
const txReceipt = await txResponse.wait();
console.log("Transaction receipt", txReceipt);
event = txReceipt.events[0];
}
// Update membershipId
membershipId = txReceipt.events[0].args.index.toNumber();
membershipId = event.args.index.toNumber();
console.log(
"Obtained index for current membership credentials",
membershipId
);
updateFields();
registerButton.disabled = false;
} catch (err) {