Move interfaces for db types to extra file.

1 files changed, 5 insertions, 220 deletions

diff --git a/extension/background/db.js b/extension/background/db.js
index 9be933d9c..b52ee457a 100644
--- a/extension/background/db.js
+++ b/extension/background/db.js
@@ -1,220 +1,5 @@
-"use strict";
-
-var DB = function () {
-  let DB = {}; // returned object with exported functions
-
-  let DB_NAME = "taler";
-  let DB_VERSION = 1;
-
-  let db = null;
-  let is_ready = null;
-
-  DB.open = function (onsuccess, onerror)
-  {
-    is_ready = false;
-
-    let req = indexedDB.open(DB_NAME, DB_VERSION);
-    req.onerror = onerror;
-    req.onsuccess = function (event)
-    {
-      db = event.target.result;
-      is_ready = true;
-      if (onsuccess)
-        onsuccess();
-    };
-
-    req.onupgradeneeded = function (event)
-    {
-      console.log ("DB: upgrade needed: oldVersion = "+ event.oldVersion);
-
-      db = event.target.result;
-      db.onerror = onerror;
-
-      switch (event.oldVersion)
-      {
-        case 0: // DB does not exist yet
-        {
-          let example = {};
-
-          let mints = db.createObjectStore("mints", { keyPath: "mint_pub" });
-          mints.createIndex("name", "name", { unique: true });
-
-          example.mint = {
-            mint_pub: "<mint's master pub key>",	// length: 32
-            name: "Mint One",
-            url: "https://mint.one/",
-          };
-
-          let denoms = db.createObjectStore("denoms", { keyPath: "denom_pub" });
-
-          example.denom = {
-            denom_pub: "<denom pub key>",		// length: 32
-            mint_pub: "<mint's master pub key>",	// length: 32
-            mint_sig: "<mint's sig>",		// length: 64
-            withdraw_expiry_time: 1234567890,
-            deposit_expiry_time: 1234567890,
-            start_time: 1234567890,
-            value: {
-              value: 1,
-              fraction: 230000, // 0..999999
-              currency: "EUR",
-            },
-            fee: {
-              withdraw: {
-                value: 0,
-                fraction: 100000,
-                currency: "EUR",
-              },
-              deposit: {
-                value: 0,
-                fraction: 100000,
-                currency: "EUR",
-              },
-              refresh: {
-                value: 0,
-                fraction: 100000,
-                currency: "EUR",
-              },
-            },
-          };
-
-          let reserves = db.createObjectStore("reserves", { keyPath: "reserve_pub"});
-          example.reserve = {
-            reserve_pub: "<pub key>",
-            reserve_priv: "<priv key>",
-            mint_pub: "<mint's master pub key>",
-            initial: {
-              value: 1,
-              fraction: 230000,
-              currency: "EUR",
-            },
-            current: {
-              value: 1,
-              fraction: 230000,
-              currency: "EUR",
-              blind_session_pub: "<pub key>",
-              status_sig: "<sig>",
-            },
-          };
-
-          let withdrawals = db.createObjectStore("withdrawals", { keyPath: "id", autoIncrement: true });
-          example.withdrawal = {
-            id: 1, // generated
-            reserve_pub: "<pub key>",
-            reserve_sig: "<sig>",
-            denom_pub: "<pub key",
-            blind_session_pub: "<pub key>",
-            blind_priv: "<priv key>",
-            coin_pub: "<pub key>",
-            coin_priv: "<priv key>",
-            coin_ev: "",
-          };
-
-          let coins = db.createObjectStore("coins", { keyPath: "coin_pub" });
-          example.coin = {
-            // coin either has a withdraw_id or refresh_id
-            // or it is imported in which case both are null
-            withdraw_id: 1,		// can be null
-            refresh_id: null,	// can be null
-            is_refreshed: false,
-            denom_pub: "<pub key>",
-            coin_pub: "<pub key>",
-            coin_priv: "<priv key>",
-            denom_sig: "<sig>",
-            spent: {
-              value: 1,
-              fraction: 230000,
-            },
-            transactions: [ 123, 456 ],	// list of transaction IDs where this coin was used
-          };
-
-          let transactions = db.createObjectStore("transactions", { keyPath: "id", autoIncrement: true });
-          example.transaction = {
-            id: 1, // generated
-            wire_hash: "<hash>",
-            value: {
-              value: 1,
-              fraction: 230000,
-              currency: "EUR",
-            },
-            contract: "<JSON>",
-            is_checkout_done: true,
-            is_confirmed: true,
-            fulfillment_url: "https://some.shop/transaction/completed",
-          };
-
-          let refresh = db.createObjectStore("refresh");
-          example.refresh = {
-            // TODO
-          };
-        }
-      }
-
-      is_ready = true;
-      if (onsuccess)
-        onsuccess();
-    }
-  };
-
-
-  DB.close = function ()
-  {
-    db.close();
-  };
-
-
-  DB.wallet_get = function (onresult, onerror)
-  {
-    let wallet = { };
-
-    let tr = db.transaction([ "coins", "denoms" ], "readonly");
-    let coins = tr.objectStore("coins");
-    let denoms = tr.objectStore("denoms");
-
-    let coins_cur = coins.openCursor();
-    coins_cur.onerror = onerror;
-    coins_cur.onsuccess = function ()
-    {
-      let cur = event.target.result;
-      if (cur) {
-        let denom_get = denoms.get(cur.valcue.denom_pub);
-        denom_get.onerror = onerror;
-        denom_get.onsuccess = function (event)
-        {
-          let denom = event.target.result;
-          if (denom.currency in wallet)
-          {
-            let w = wallet[denom.currency];
-            w.value += denom.value;
-            w.fraction = (w.fraction + denom.fraction) % 1000000;
-            if (1000000 <= w.fraction + denom.fraction)
-              w.value++;
-          }
-          else
-          {
-            wallet[denom.currency] = denom;
-          }
-          cur.continue();
-        }
-      }
-      else // no more entries
-      {
-        onresult(wallet);
-      }
-    };
-  };
-
-
-  DB.transaction_list = function (onresult, onerror)
-  {
-    // TODO
-  };
-
-
-  DB.reserve_list = function (onresult, onerror)
-  {
-    // TODO
-  };
-
-  return DB;
-}();
+/**
+ * Declarations and helpers for
+ * things that are stored in the wallet's
+ * database.
+ */