139 lines
3.7 KiB
TypeScript
139 lines
3.7 KiB
TypeScript
/*
|
|
This file is part of TALER
|
|
(C) 2015 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/>
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/**
|
|
* Declarations and helpers for
|
|
* things that are stored in the wallet's
|
|
* database.
|
|
* @module Db
|
|
* @author Florian Dold
|
|
*/
|
|
|
|
|
|
namespace Db {
|
|
export interface Mint {
|
|
baseUrl: string;
|
|
keys: Keys
|
|
}
|
|
|
|
export interface CoinWithDenom {
|
|
coin: Coin;
|
|
denom: Denomination;
|
|
}
|
|
|
|
export interface Keys {
|
|
denoms: Denomination[];
|
|
}
|
|
|
|
export interface Denomination {
|
|
value: AmountJson_interface;
|
|
denom_pub: string;
|
|
fee_withdraw: AmountJson_interface;
|
|
fee_deposit: AmountJson_interface;
|
|
}
|
|
|
|
export interface PreCoin {
|
|
coinPub: string;
|
|
coinPriv: string;
|
|
reservePub: string;
|
|
denomPub: string;
|
|
blindingKey: string;
|
|
withdrawSig: string;
|
|
coinEv: string;
|
|
mintBaseUrl: string;
|
|
coinValue: AmountJson_interface;
|
|
}
|
|
|
|
export interface Coin {
|
|
coinPub: string;
|
|
coinPriv: string;
|
|
denomPub: string;
|
|
denomSig: string;
|
|
currentAmount: AmountJson_interface;
|
|
mintBaseUrl: string;
|
|
}
|
|
}
|
|
|
|
const DB_NAME = "taler";
|
|
const DB_VERSION = 1;
|
|
|
|
/**
|
|
* Return a promise that resolves
|
|
* to the taler wallet db.
|
|
*/
|
|
function openTalerDb(): Promise<IDBDatabase> {
|
|
return new Promise((resolve, reject) => {
|
|
let req = indexedDB.open(DB_NAME, DB_VERSION);
|
|
req.onerror = (e) => {
|
|
reject(e);
|
|
};
|
|
req.onsuccess = (e) => {
|
|
resolve(req.result);
|
|
};
|
|
req.onupgradeneeded = (e) => {
|
|
let db = req.result;
|
|
console.log("DB: upgrade needed: oldVersion = " + e.oldVersion);
|
|
switch (e.oldVersion) {
|
|
case 0: // DB does not exist yet
|
|
let mints = db.createObjectStore("mints", {keyPath: "baseUrl"});
|
|
mints.createIndex("pubKey", "keys.master_public_key");
|
|
db.createObjectStore("reserves", {keyPath: "reserve_pub"});
|
|
db.createObjectStore("denoms", {keyPath: "denomPub"});
|
|
let coins = db.createObjectStore("coins", {keyPath: "coinPub"});
|
|
coins.createIndex("mintBaseUrl", "mintBaseUrl");
|
|
db.createObjectStore("transactions", {keyPath: "contractHash"});
|
|
db.createObjectStore("precoins",
|
|
{keyPath: "coinPub", autoIncrement: true});
|
|
db.createObjectStore("history", {keyPath: "id", autoIncrement: true});
|
|
break;
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
|
|
function exportDb(db): Promise<any> {
|
|
let dump = {
|
|
name: db.name,
|
|
version: db.version,
|
|
stores: {}
|
|
};
|
|
|
|
return new Promise((resolve, reject) => {
|
|
|
|
let tx = db.transaction(db.objectStoreNames);
|
|
tx.addEventListener("complete", (e) => {
|
|
resolve(dump);
|
|
});
|
|
for (let i = 0; i < db.objectStoreNames.length; i++) {
|
|
let name = db.objectStoreNames[i];
|
|
let storeDump = {};
|
|
dump.stores[name] = storeDump;
|
|
let store = tx.objectStore(name)
|
|
.openCursor()
|
|
.addEventListener("success", (e) => {
|
|
let cursor = e.target.result;
|
|
if (cursor) {
|
|
storeDump[cursor.key] = cursor.value;
|
|
cursor.continue();
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|