@waku/rln/dist/identity.js

RLN (Rate Limiting Nullifier) implementation for Waku

import { BytesUtils } from "./utils/bytes.js";
export class IdentityCredential {
    IDTrapdoor;
    IDNullifier;
    IDSecretHash;
    IDCommitment;
    IDCommitmentBigInt;
    /**
     * All variables are in little-endian format
     */
    constructor(IDTrapdoor, IDNullifier, IDSecretHash, IDCommitment) {
        this.IDTrapdoor = IDTrapdoor;
        this.IDNullifier = IDNullifier;
        this.IDSecretHash = IDSecretHash;
        this.IDCommitment = IDCommitment;
        this.IDCommitmentBigInt = BytesUtils.toBigInt(IDCommitment);
    }
    static fromBytes(memKeys) {
        if (memKeys.length < 128) {
            throw new Error("Invalid memKeys length - must be at least 128 bytes");
        }
        const idTrapdoor = memKeys.subarray(0, 32);
        const idNullifier = memKeys.subarray(32, 64);
        const idSecretHash = memKeys.subarray(64, 96);
        const idCommitment = memKeys.subarray(96, 128);
        return new IdentityCredential(idTrapdoor, idNullifier, idSecretHash, idCommitment);
    }
}
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