Blockchain Layer of the DIVA Universe. PBFT consensus.
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* Copyright (C) 2021
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <>.
* Author/Maintainer: Konrad Bächler <>
import { Message } from './message';
import { Util } from '../../chain/util';
export type AuthStruct = {
type: number;
origin: string;
sig: string;
export class Auth extends Message {
create(origin: string, sig: string): Auth {
const structAuth: AuthStruct = {
type: Message.TYPE_AUTH,
origin: origin,
sig: sig,
this.message.ident = [structAuth.type, structAuth.sig].join(); = structAuth;
return this;
isValid(challenge: string): boolean {
return Util.verifySignature(,, challenge);