Blockchain Layer of the DIVA Universe. PBFT consensus.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

58 lines
1.7 KiB

* 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';
import { TransactionStruct } from '../../chain/transaction';
export type LockStruct = {
type: number;
origin: string;
height: number;
tx: Array<TransactionStruct>;
sig: string;
export class Lock extends Message {
create(round: number, origin: string, height: number, tx: Array<TransactionStruct>, sig: string): Lock {
const structLock: LockStruct = {
type: Lock.TYPE_LOCK,
origin: origin,
height: height,
tx: tx,
sig: sig,
this.message.ident = [structLock.type, round, sig].join(); = structLock;
return this;
get(): LockStruct {
return as LockStruct;
// stateful
static isValid(structLock: LockStruct): boolean {
return Util.verifySignature(
Util.hash([structLock.height, structLock.tx.reduce((s, t) => s + t.sig, '')].join())