@unirep/circuits/src/EpochKeyProof.js

Client library for circuit related functions which are used in UniRep protocol.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EpochKeyProof = void 0;
const type_1 = require("./type");
const BaseProof_1 = require("./BaseProof");
const utils_1 = require("./utils");
/**
 * A class representing an [epoch key proof](https://developer.unirep.io/docs/circuits-api/classes/src.EpochKeyProof). Each of the following properties are public signals for the proof.
 */
class EpochKeyProof extends BaseProof_1.BaseProof {
    /**
     * @param publicSignals The public signals of the epoch key proof that can be verified by the prover
     * @param proof The proof that can be verified by the prover
     * @param prover The prover that can verify the public signals and the proof
     * @example
     * ```ts
     * import { EpochKeyProof } from '@unirep/circuits'
     * const data = new EpochKeyProof(publicSignals, proof)
     * ```
     */
    constructor(publicSignals, proof, prover) {
        super(publicSignals, proof, prover);
        /**
         * The index of the data in the public signals
         */
        this.idx = {
            epochKey: 0,
            stateTreeRoot: 1,
            control: 2,
            data: 3,
        };
        this.epochKey = this.publicSignals[this.idx.epochKey];
        this.stateTreeRoot = this.publicSignals[this.idx.stateTreeRoot];
        this.control = this.publicSignals[this.idx.control];
        const { nonce, epoch, attesterId, revealNonce, chainId } = (0, utils_1.decodeEpochKeyControl)(this.control);
        this.nonce = nonce;
        this.epoch = epoch;
        this.attesterId = attesterId;
        this.revealNonce = revealNonce;
        this.chainId = chainId;
        this.data = this.publicSignals[this.idx.data];
        this.circuit = type_1.Circuit.epochKey;
    }
    /**
     * Pack several variables into one `bigint` variable.
     * @param config The variables that will be packed.
     * @returns The control
     * @example
     * ```ts
     * EpochKeyProof.buildControl({
     *   epoch,
     *   nonce,
     *   attesterId,
     *   revealNonce,
     *   chainId
     * })
     * ```
     */
    static buildControl(config) {
        return (0, utils_1.buildEpochKeyControl)(config);
    }
}
exports.EpochKeyProof = EpochKeyProof;