Blockchain Layer of the DIVA Universe. PBFT consensus. https://diva.exchange
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/**
* Copyright (C) 2021 diva.exchange
*
* 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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 <https://www.gnu.org/licenses/>.
*
* Author/Maintainer: Konrad Bächler <konrad@diva.exchange>
*/
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();
this.message.data = structLock;
return this;
}
get(): LockStruct {
return this.message.data as LockStruct;
}
// stateful
static isValid(structLock: LockStruct): boolean {
return Util.verifySignature(
structLock.origin,
structLock.sig,
Util.hash([structLock.height, structLock.tx.reduce((s, t) => s + t.sig, '')].join())
);
}
}