101 lines
2.8 KiB
TypeScript
101 lines
2.8 KiB
TypeScript
/*
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This file is part of TALER
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(C) 2016 GNUnet e.V.
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* API to access the Taler crypto worker thread.
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* @author Florian Dold
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*/
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import {PreCoin} from "./types";
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import {Reserve} from "./types";
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import {Denomination} from "./types";
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import {Offer} from "./wallet";
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import {CoinWithDenom} from "./wallet";
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import {PayCoinInfo} from "./types";
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type RegistryEntry = {resolve: any; reject: any};
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export class CryptoApi {
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private nextRpcId: number = 1;
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private rpcRegistry: {[n: number]: RegistryEntry} = {};
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private cryptoWorker: Worker;
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constructor() {
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this.cryptoWorker = new Worker("/lib/wallet/cryptoWorker.js");
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this.cryptoWorker.onmessage = (msg: MessageEvent) => {
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let id = msg.data.id;
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if (typeof id !== "number") {
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console.error("rpc id must be number");
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return;
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}
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if (!this.rpcRegistry[id]) {
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console.error(`RPC with id ${id} has no registry entry`);
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return;
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}
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let {resolve, reject} = this.rpcRegistry[id];
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resolve(msg.data.result);
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}
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}
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private registerRpcId(resolve: any, reject: any): number {
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let id = this.nextRpcId++;
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this.rpcRegistry[id] = {resolve, reject};
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return id;
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}
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private doRpc<T>(methodName: string, ...args: any[]): Promise<T> {
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return new Promise<T>((resolve, reject) => {
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let msg = {
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operation: methodName,
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id: this.registerRpcId(resolve, reject),
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args: args,
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};
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this.cryptoWorker.postMessage(msg);
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});
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}
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createPreCoin(denom: Denomination, reserve: Reserve): Promise<PreCoin> {
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return this.doRpc("createPreCoin", denom, reserve);
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}
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hashRsaPub(rsaPub: string): Promise<string> {
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return this.doRpc("hashRsaPub", rsaPub);
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}
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isValidDenom(denom: Denomination,
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masterPub: string): Promise<boolean> {
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return this.doRpc("isValidDenom", denom, masterPub);
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}
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signDeposit(offer: Offer,
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cds: CoinWithDenom[]): Promise<PayCoinInfo> {
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return this.doRpc("signDeposit", offer, cds);
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}
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createEddsaKeypair(): Promise<{priv: string, pub: string}> {
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return this.doRpc("createEddsaKeypair");
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}
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rsaUnblind(sig: string, bk: string, pk: string): Promise<string> {
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return this.doRpc("rsaUnblind", sig, bk, pk);
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}
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}
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