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-rw-r--r--lib/wallet/cryptoApi.ts93
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/wallet/cryptoApi.ts b/lib/wallet/cryptoApi.ts
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+/*
+ This file is part of TALER
+ (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+ */
+
+
+import {PreCoin} from "./types";
+import {Reserve} from "./types";
+import {Denomination} from "./types";
+import {Offer} from "./wallet";
+import {CoinWithDenom} from "./wallet";
+import {PayCoinInfo} from "./types";
+export class CryptoApi {
+ private nextRpcId: number = 1;
+ private rpcRegistry = {};
+ private cryptoWorker: Worker;
+
+
+ constructor() {
+ this.cryptoWorker = new Worker("/lib/wallet/cryptoWorker.js");
+
+ this.cryptoWorker.onmessage = (msg: MessageEvent) => {
+ let id = msg.data.id;
+ if (typeof id !== "number") {
+ console.error("rpc id must be number");
+ return;
+ }
+ if (!this.rpcRegistry[id]) {
+ console.error(`RPC with id ${id} has no registry entry`);
+ return;
+ }
+ let {resolve, reject} = this.rpcRegistry[id];
+ resolve(msg.data.result);
+ }
+ }
+
+
+ private registerRpcId(resolve, reject): number {
+ let id = this.nextRpcId++;
+ this.rpcRegistry[id] = {resolve, reject};
+ return id;
+ }
+
+
+ private doRpc<T>(methodName: string, ...args): Promise<T> {
+ return new Promise<T>((resolve, reject) => {
+ let msg = {
+ operation: methodName,
+ id: this.registerRpcId(resolve, reject),
+ args: args,
+ };
+ this.cryptoWorker.postMessage(msg);
+ });
+ }
+
+
+ createPreCoin(denom: Denomination, reserve: Reserve): Promise<PreCoin> {
+ return this.doRpc("createPreCoin", denom, reserve);
+ }
+
+ hashRsaPub(rsaPub: string): Promise<string> {
+ return this.doRpc("hashRsaPub", rsaPub);
+ }
+
+ isValidDenom(denom: Denomination,
+ masterPub: string): Promise<boolean> {
+ return this.doRpc("isValidDenom", denom, masterPub);
+ }
+
+ signDeposit(offer: Offer,
+ cds: CoinWithDenom[]): Promise<PayCoinInfo> {
+ return this.doRpc("signDeposit", offer, cds);
+ }
+
+ createEddsaKeypair(): Promise<{priv: string, pub: string}> {
+ return this.doRpc("createEddsaKeypair");
+ }
+
+ rsaUnblind(sig: string, bk: string, pk: string): Promise<string> {
+ return this.doRpc("rsaUnblind", sig, bk, pk);
+ }
+} \ No newline at end of file