Add types, simplify balance display.

4 files changed, 103 insertions, 38 deletions

diff --git a/extension/background/emscriptif.js b/extension/background/emscriptif.js
index f94b58016..81580fbed 100644
--- a/extension/background/emscriptif.js
+++ b/extension/background/emscriptif.js
@@ -284,6 +284,13 @@ class RsaBlindingKey extends ArenaObject {
         o.nativePtr = emscAlloc.rsa_blinding_key_create(len);
         return o;
     }
+    static fromCrock(s, a) {
+        let obj = new this(a);
+        let buf = ByteArray.fromCrock(s);
+        obj.setNative(emscAlloc.rsa_blinding_key_decode(buf.getNative(), buf.size()));
+        buf.destroy();
+        return obj;
+    }
     toCrock() {
         let ptr = emscAlloc.malloc(PTR_SIZE);
         let size = emscAlloc.rsa_blinding_key_encode(this.nativePtr, ptr);
diff --git a/extension/background/emscriptif.ts b/extension/background/emscriptif.ts
index 150b68741..f21e60db4 100644
--- a/extension/background/emscriptif.ts
+++ b/extension/background/emscriptif.ts
@@ -416,12 +416,20 @@ class EddsaPublicKey extends PackedArenaObject {
 }
 
 
+
 class RsaBlindingKey extends ArenaObject {
   static create(len: number, a?: Arena) {
     let o = new RsaBlindingKey(a);
     o.nativePtr = emscAlloc.rsa_blinding_key_create(len);
     return o;
   }
+  static fromCrock(s: string, a?: Arena): RsaBlindingKey {
+    let obj = new this(a);
+    let buf = ByteArray.fromCrock(s);
+    obj.setNative(emscAlloc.rsa_blinding_key_decode(buf.getNative(), buf.size()));
+    buf.destroy();
+    return obj;
+  }
 
   toCrock(): string {
     let ptr = emscAlloc.malloc(PTR_SIZE);
diff --git a/extension/background/wallet.js b/extension/background/wallet.js
index 36d3e8a85..3bcbde91b 100644
--- a/extension/background/wallet.js
+++ b/extension/background/wallet.js
@@ -24,15 +24,18 @@ function openTalerDb() {
                     db.createObjectStore("mints", { keyPath: "baseUrl" });
                     db.createObjectStore("reserves", { keyPath: "reserve_pub" });
                     db.createObjectStore("denoms", { keyPath: "denomPub" });
-                    db.createObjectStore("coins", { keyPath: "coinPub" });
-                    db.createObjectStore("withdrawals", { keyPath: "id", autoIncrement: true });
-                    db.createObjectStore("transactions", { keyPath: "id", autoIncrement: true });
+                    let coins = db.createObjectStore("coins", { keyPath: "coinPub" });
+                    coins.createIndex("mintBaseUrl", "mintBaseUrl");
+                    db.createObjectStore("transactions", { keyPath: "contractHash" });
                     db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true });
                     break;
             }
         };
     });
 }
+/**
+ * See http://api.taler.net/wallet.html#general
+ */
 function canonicalizeBaseUrl(url) {
     let x = new URI(url);
     if (!x.protocol()) {
@@ -43,8 +46,24 @@ function canonicalizeBaseUrl(url) {
     x.query();
     return x.href();
 }
+function grantCoins(db, feeThreshold, paymentAmount, mintBaseUrl) {
+    throw "not implemented";
+}
+function confirmPay(db, detail, sendResponse) {
+    console.log("confirmPay", JSON.stringify(detail));
+    let tx = db.transaction(['transactions'], 'readwrite');
+    let trans = {
+        contractHash: detail.offer.H_contract,
+        contract: detail.offer.contract,
+        sig: detail.offer
+    };
+    let contract = detail.offer.contract;
+    //let chosenCoinPromise = chooseCoins(db, contract.max_fee, contract.amount)
+    //    .then(x => generateDepositPermissions(db, x))
+    //    .then(executePayment);
+    return true;
+}
 function confirmReserve(db, detail, sendResponse) {
-    console.log('detail: ' + JSON.stringify(detail));
     let reservePriv = EddsaPrivateKey.create();
     let reservePub = reservePriv.getPublicKey();
     let form = new FormData();
@@ -114,11 +133,8 @@ function rankDenom(denom1, denom2) {
     return (-1) * v1.cmp(v2);
 }
 function withdrawPrepare(db, denom, reserve) {
-    console.log("in withdraw prepare");
     let reservePriv = new EddsaPrivateKey();
-    console.log("loading reserve priv", reserve.reserve_priv);
     reservePriv.loadCrock(reserve.reserve_priv);
-    console.log("reserve priv is", reservePriv.toCrock());
     let reservePub = new EddsaPublicKey();
     reservePub.loadCrock(reserve.reserve_pub);
     let denomPub = RsaPublicKey.fromCrock(denom.denom_pub);
@@ -126,9 +142,7 @@ function withdrawPrepare(db, denom, reserve) {
     let coinPub = coinPriv.getPublicKey();
     let blindingFactor = RsaBlindingKey.create(1024);
     let pubHash = coinPub.hash();
-    console.log("about to blind");
     let ev = rsaBlind(pubHash, blindingFactor, denomPub);
-    console.log("blinded");
     if (!denom.fee_withdraw) {
         throw Error("Field fee_withdraw missing");
     }
@@ -153,8 +167,10 @@ function withdrawPrepare(db, denom, reserve) {
         coinPub: coinPub.toCrock(),
         coinPriv: coinPriv.toCrock(),
         denomPub: denomPub.encode().toCrock(),
+        mintBaseUrl: reserve.mintBaseUrl,
         withdrawSig: sig.toCrock(),
-        coinEv: ev.toCrock()
+        coinEv: ev.toCrock(),
+        coinValue: denom.value
     };
     console.log("storing precoin", JSON.stringify(preCoin));
     let tx = db.transaction(['precoins'], 'readwrite');
@@ -197,15 +213,13 @@ function withdrawExecute(db, pc) {
                 console.log("Withdrawal successful");
                 console.log(myRequest.responseText);
                 let resp = JSON.parse(myRequest.responseText);
-                //let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev),
-                //                            RsaBlindingKey.fromCrock(pc.blindingKey),
-                //                            RsaPublicKey.fromCrock(pc.denomPub));
+                let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev), RsaBlindingKey.fromCrock(pc.blindingKey), RsaPublicKey.fromCrock(pc.denomPub));
                 let coin = {
                     coinPub: pc.coinPub,
                     coinPriv: pc.coinPriv,
                     denomPub: pc.denomPub,
-                    reservePub: pc.reservePub,
-                    denomSig: "foo" //denomSig.encode().toCrock()
+                    denomSig: denomSig.encode().toCrock(),
+                    currentAmount: pc.coinValue
                 };
                 console.log("unblinded coin");
                 resolve(coin);
@@ -442,6 +456,7 @@ openTalerDb().then((db) => {
     chrome.runtime.onMessage.addListener(function (req, sender, onresponse) {
         let dispatch = {
             "confirm-reserve": confirmReserve,
+            "confirm-pay": confirmPay,
             "dump-db": dumpDb,
             "balances": balances,
             "reset": reset
@@ -449,7 +464,7 @@ openTalerDb().then((db) => {
         if (req.type in dispatch) {
             return dispatch[req.type](db, req.detail, onresponse);
         }
-        console.error(format("Request type unknown, req {0}", JSON.stringify(req)));
+        console.error(format("Request type {1} unknown, req {0}", JSON.stringify(req), req.type));
         return false;
     });
 });
diff --git a/extension/background/wallet.ts b/extension/background/wallet.ts
index dd2ceca7d..bfc0bbcba 100644
--- a/extension/background/wallet.ts
+++ b/extension/background/wallet.ts
@@ -27,9 +27,9 @@ function openTalerDb(): Promise<IDBDatabase> {
           db.createObjectStore("mints", { keyPath: "baseUrl" });
           db.createObjectStore("reserves", { keyPath: "reserve_pub"});
           db.createObjectStore("denoms", { keyPath: "denomPub" });
-          db.createObjectStore("coins", { keyPath: "coinPub" });
-          db.createObjectStore("withdrawals", { keyPath: "id", autoIncrement: true });
-          db.createObjectStore("transactions", { keyPath: "id", autoIncrement: true });
+          let coins = db.createObjectStore("coins", { keyPath: "coinPub" });
+          coins.createIndex("mintBaseUrl", "mintBaseUrl");
+          db.createObjectStore("transactions", { keyPath: "contractHash" });
           db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true });
           break;
       }
@@ -38,6 +38,9 @@ function openTalerDb(): Promise<IDBDatabase> {
 }
 
 
+/**
+ * See http://api.taler.net/wallet.html#general
+ */
 function canonicalizeBaseUrl(url) {
   let x = new URI(url);
   if (!x.protocol()) {
@@ -49,9 +52,39 @@ function canonicalizeBaseUrl(url) {
   return x.href()
 }
 
+interface ConfirmPayRequest {
+  offer: any;
+  selectedMint: any;
+}
+
+
+function grantCoins(db: IDBDatabase,
+                    feeThreshold: AmountJson,
+                    paymentAmount: AmountJson,
+                    mintBaseUrl: string): Promise<any> {
+  throw "not implemented";
+}
+
+
+function confirmPay(db, detail: ConfirmPayRequest, sendResponse) { 
+  console.log("confirmPay", JSON.stringify(detail));
+  let tx = db.transaction(['transactions'], 'readwrite');
+  let trans = {
+    contractHash: detail.offer.H_contract,
+    contract: detail.offer.contract,
+    sig: detail.offer
+  }
+
+  let contract = detail.offer.contract;
+
+  //let chosenCoinPromise = chooseCoins(db, contract.max_fee, contract.amount)
+  //    .then(x => generateDepositPermissions(db, x))
+  //    .then(executePayment);
+
+  return true;
+}
 
 function confirmReserve(db, detail, sendResponse) {
-  console.log('detail: ' + JSON.stringify(detail));
   let reservePriv = EddsaPrivateKey.create();
   let reservePub = reservePriv.getPublicKey();
   let form = new FormData();
@@ -136,7 +169,8 @@ interface AmountJson {
 
 interface Denomination {
   value: AmountJson;
-  denomPub: string;
+  denom_pub: string;
+  fee_withdraw: AmountJson;
 }
 
 interface PreCoin {
@@ -147,24 +181,25 @@ interface PreCoin {
   blindingKey: string;
   withdrawSig: string;
   coinEv: string;
+  mintBaseUrl: string;
+  coinValue: AmountJson;
 }
 
 
 interface Coin {
   coinPub: string;
   coinPriv: string;
-  reservePub: string;
   denomPub: string;
   denomSig: string;
+  currentAmount: AmountJson;
 }
 
 
-function withdrawPrepare(db: IDBDatabase, denom, reserve): Promise<PreCoin> {
-  console.log("in withdraw prepare");
+function withdrawPrepare(db: IDBDatabase,
+                         denom: Denomination,
+                         reserve): Promise<PreCoin> {
   let reservePriv = new EddsaPrivateKey();
-  console.log("loading reserve priv", reserve.reserve_priv);
   reservePriv.loadCrock(reserve.reserve_priv);
-  console.log("reserve priv is", reservePriv.toCrock());
   let reservePub = new EddsaPublicKey();
   reservePub.loadCrock(reserve.reserve_pub);
   let denomPub = RsaPublicKey.fromCrock(denom.denom_pub);
@@ -172,9 +207,7 @@ function withdrawPrepare(db: IDBDatabase, denom, reserve): Promise<PreCoin> {
   let coinPub = coinPriv.getPublicKey();
   let blindingFactor = RsaBlindingKey.create(1024);
   let pubHash: HashCode = coinPub.hash();
-  console.log("about to blind");
   let ev: ByteArray = rsaBlind(pubHash, blindingFactor, denomPub);
-  console.log("blinded");
 
   if (!denom.fee_withdraw) {
     throw Error("Field fee_withdraw missing");
@@ -205,8 +238,10 @@ function withdrawPrepare(db: IDBDatabase, denom, reserve): Promise<PreCoin> {
     coinPub: coinPub.toCrock(),
     coinPriv: coinPriv.toCrock(),
     denomPub: denomPub.encode().toCrock(),
+    mintBaseUrl: reserve.mintBaseUrl,
     withdrawSig: sig.toCrock(),
-    coinEv: ev.toCrock()
+    coinEv: ev.toCrock(),
+    coinValue: denom.value
   };
 
   console.log("storing precoin", JSON.stringify(preCoin));
@@ -254,15 +289,15 @@ function withdrawExecute(db, pc: PreCoin): Promise<Coin> {
               console.log("Withdrawal successful");
               console.log(myRequest.responseText);
               let resp = JSON.parse(myRequest.responseText);
-              //let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev),
-              //                            RsaBlindingKey.fromCrock(pc.blindingKey),
-              //                            RsaPublicKey.fromCrock(pc.denomPub));
+              let denomSig = rsaUnblind(RsaSignature.fromCrock(resp.coin_ev),
+                                          RsaBlindingKey.fromCrock(pc.blindingKey),
+                                          RsaPublicKey.fromCrock(pc.denomPub));
               let coin: Coin = {
                 coinPub: pc.coinPub,
                 coinPriv: pc.coinPriv,
                 denomPub: pc.denomPub,
-                reservePub: pc.reservePub,
-                denomSig:  "foo" //denomSig.encode().toCrock()
+                denomSig:  denomSig.encode().toCrock(),
+                currentAmount: pc.coinValue
               }
               console.log("unblinded coin");
               resolve(coin);
@@ -505,7 +540,7 @@ function balances(db, detail, sendResponse) {
       sendResponse(byCurrency);
       console.log("response", JSON.stringify(byCurrency));
     }
-  }
+  };
   return true;
 }
 
@@ -517,15 +552,15 @@ openTalerDb().then((db) => {
     function (req, sender, onresponse) {
       let dispatch = {
         "confirm-reserve": confirmReserve,
+        "confirm-pay": confirmPay,
         "dump-db": dumpDb,
         "balances": balances,
         "reset": reset
-      }
+      };
       if (req.type in dispatch) {
         return dispatch[req.type](db, req.detail, onresponse);
       }
-      console.error(format("Request type unknown, req {0}", JSON.stringify(req)));
+      console.error(format("Request type {1} unknown, req {0}", JSON.stringify(req), req.type));
       return false;
     });
 });
-