logos-messaging/js-rln
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move to getter for members, add init method

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weboko 2023-01-17 00:49:54 +01:00
parent 23abbd4244
commit 55dca38dd4
No known key found for this signature in database
3 changed files with 28 additions and 17 deletions
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9
example/index.js
View File

@ -48,14 +48,7 @@ rln.create().then(async rlnInstance => {
const signature = await signer.signMessage(rln.DEFAULT_SIGNATURE_MESSAGE);
console.log(`Got signature: ${signature}`);
const contract = new rln.RLNContract(rln.GOERLI_CONTRACT.address, signer);
console.log("Fetching members from Contract");
await contract.fetchMembers(rlnInstance, 8261478);
console.log(`Fetched members are ${contract.getMembers()}`);
contract.subscribeToMembers(rlnInstance);
console.log("Subscribed to the contract for new members");
const contract = await rln.RLNContract.init(rlnInstance, {address: rln.GOERLI_CONTRACT.address, provider: signer });
const event = await contract.registerMember(rlnInstance, signature);
console.log(`Registered as member with ${event}`);

8
src/index.ts
View File

@ -1,5 +1,9 @@
import { RLNDecoder, RLNEncoder } from "./codec.js";
import { DEFAULT_SIGNATURE_MESSAGE, DEV_CONTRACT, RLN_ABI } from "./const.js";
import {
DEFAULT_SIGNATURE_MESSAGE,
GOERLI_CONTRACT,
RLN_ABI,
} from "./const.js";
import { Proof, RLNInstance } from "./rln.js";
import { MembershipKey } from "./rln.js";
import { RLNContract } from "./rln_contract.js";
@ -21,6 +25,6 @@ export {
RLNDecoder,
RLNContract,
RLN_ABI,
DEV_CONTRACT,
GOERLI_CONTRACT,
DEFAULT_SIGNATURE_MESSAGE,
};

28
src/rln_contract.ts
View File

@ -8,16 +8,30 @@ type Member = {
index: number;
};
type ContractOptions = {
address: string;
provider: ethers.Signer | ethers.providers.Provider;
};
export class RLNContract {
private _contract: ethers.Contract;
private membersFilter: ethers.EventFilter;
private members: Member[] = [];
private _members: Member[] = [];
constructor(
address: string,
provider: ethers.Signer | ethers.providers.Provider
) {
public static async init(
rlnInstance: RLNInstance,
options: ContractOptions
): Promise<RLNContract> {
const rlnContract = new RLNContract(options);
await rlnContract.fetchMembers(rlnInstance);
rlnContract.subscribeToMembers(rlnInstance);
return rlnContract;
}
constructor({ address, provider }: ContractOptions) {
this._contract = new ethers.Contract(address, RLN_ABI, provider);
this.membersFilter = this.contract.filters.MemberRegistered();
}
@ -26,8 +40,8 @@ export class RLNContract {
return this._contract;
}
public getMembers(): Member[] {
return this.members;
public get members(): Member[] {
return this._members;
}
public async fetchMembers(