[taler-wallet-core] branch master updated (c032931f -> 3773a4cd)

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dold pushed a change to branch master
in repository wallet-core.

    from c032931f get basic test cases to work with new exchange
     new 458777c5 fix tipping planchet derivation
     new af08b2d1 bump version
     new 3773a4cd browser fixes

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Summary of changes:
 .../taler-wallet-core/src/crypto/talerCrypto.ts    |  4 ----
 .../src/crypto/workers/cryptoImplementation.ts     |  6 ++---
 packages/taler-wallet-core/src/operations/tip.ts   | 27 ++++++++++++++--------
 packages/taler-wallet-webextension/manifest.json   |  4 ++--
 packages/taler-wallet-webextension/package.json    |  2 +-
 .../src/browserHttpLib.ts                          | 13 ++++++++---
 6 files changed, 32 insertions(+), 24 deletions(-)

diff --git a/packages/taler-wallet-core/src/crypto/talerCrypto.ts 
b/packages/taler-wallet-core/src/crypto/talerCrypto.ts
index d28f1117..38189685 100644
--- a/packages/taler-wallet-core/src/crypto/talerCrypto.ts
+++ b/packages/taler-wallet-core/src/crypto/talerCrypto.ts
@@ -340,10 +340,6 @@ export function createEcdheKeyPair(): EcdheKeyPair {
   return { ecdhePriv, ecdhePub };
 }
 
-export function createBlindingKeySecret(): Uint8Array {
-  return nacl.randomBytes(32);
-}
-
 export function hash(d: Uint8Array): Uint8Array {
   return nacl.hash(d);
 }
diff --git 
a/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts 
b/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
index fc8b53eb..9b703e2c 100644
--- a/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
+++ b/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
@@ -48,7 +48,6 @@ import {
   encodeCrock,
   decodeCrock,
   createEddsaKeyPair,
-  createBlindingKeySecret,
   hash,
   rsaBlind,
   eddsaVerify,
@@ -199,12 +198,11 @@ export class CryptoImplementation {
   createTipPlanchet(req: DeriveTipRequest): DerivedTipPlanchet {
     const fc = setupTipPlanchet(decodeCrock(req.secretSeed), 
req.planchetIndex);
     const denomPub = decodeCrock(req.denomPub);
-    const blindingFactor = createBlindingKeySecret();
     const coinPubHash = hash(fc.coinPub);
-    const ev = rsaBlind(coinPubHash, blindingFactor, denomPub);
+    const ev = rsaBlind(coinPubHash, fc.bks, denomPub);
 
     const tipPlanchet: DerivedTipPlanchet = {
-      blindingKey: encodeCrock(blindingFactor),
+      blindingKey: encodeCrock(fc.bks),
       coinEv: encodeCrock(ev),
       coinEvHash: encodeCrock(hash(ev)),
       coinPriv: encodeCrock(fc.coinPriv),
diff --git a/packages/taler-wallet-core/src/operations/tip.ts 
b/packages/taler-wallet-core/src/operations/tip.ts
index f683999b..68b5a2ad 100644
--- a/packages/taler-wallet-core/src/operations/tip.ts
+++ b/packages/taler-wallet-core/src/operations/tip.ts
@@ -52,7 +52,7 @@ import { checkDbInvariant, checkLogicInvariant } from 
"../util/invariants";
 import { TalerErrorCode } from "../TalerErrorCode";
 import { initRetryInfo, updateRetryInfoTimeout } from "../util/retries";
 import { j2s } from "../util/helpers";
-import { DerivedTipPlanchet } from '../types/cryptoTypes';
+import { DerivedTipPlanchet } from "../types/cryptoTypes";
 
 const logger = new Logger("operations/tip.ts");
 
@@ -95,11 +95,11 @@ export async function prepareTip(
 
     const walletTipId = encodeCrock(getRandomBytes(32));
     await updateWithdrawalDenoms(ws, tipPickupStatus.exchange_url);
-    const denoms = await getPossibleWithdrawalDenoms(ws, 
tipPickupStatus.exchange_url);
-    const selectedDenoms = await selectWithdrawalDenominations(
-      amount,
-      denoms
+    const denoms = await getPossibleWithdrawalDenoms(
+      ws,
+      tipPickupStatus.exchange_url,
     );
+    const selectedDenoms = selectWithdrawalDenominations(amount, denoms);
 
     const secretSeed = encodeCrock(getRandomBytes(64));
 
@@ -213,7 +213,7 @@ async function processTipImpl(
   const planchets: DerivedTipPlanchet[] = [];
   // Planchets in the form that the merchant expects
   const planchetsDetail: TipPlanchetDetail[] = [];
-  const denomForPlanchet: { [index: number]: DenominationRecord} = [];
+  const denomForPlanchet: { [index: number]: DenominationRecord } = [];
 
   for (const dh of denomsForWithdraw.selectedDenoms) {
     const denom = await ws.db.get(Stores.denominations, [
@@ -222,11 +222,14 @@ async function processTipImpl(
     ]);
     checkDbInvariant(!!denom, "denomination should be in database");
     for (let i = 0; i < dh.count; i++) {
-      const p = await ws.cryptoApi.createTipPlanchet({
+      const deriveReq = {
         denomPub: denom.denomPub,
         planchetIndex: planchets.length,
         secretSeed: tipRecord.secretSeed,
-      });
+      };
+      logger.trace(`deriving tip planchet: ${j2s(deriveReq)}`)
+      const p = await ws.cryptoApi.createTipPlanchet(deriveReq);
+      logger.trace(`derive result: ${j2s(p)}`);
       denomForPlanchet[planchets.length] = denom;
       planchets.push(p);
       planchetsDetail.push({
@@ -242,14 +245,18 @@ async function processTipImpl(
   );
 
   const req = { planchets: planchetsDetail };
+  logger.trace(`sending tip request: ${j2s(req)}`);
   const merchantResp = await ws.http.postJson(tipStatusUrl.href, req);
 
+  logger.trace(`got tip response, status ${merchantResp.status}`);
+
   // Hide transient errors.
   if (
     tipRecord.retryInfo.retryCounter < 5 &&
-    merchantResp.status >= 500 &&
-    merchantResp.status <= 599
+    ((merchantResp.status >= 500 && merchantResp.status <= 599) ||
+      merchantResp.status === 424)
   ) {
+    logger.trace(`got transient tip error`);
     const err = makeErrorDetails(
       TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR,
       "tip pickup failed (transient)",
diff --git a/packages/taler-wallet-webextension/manifest.json 
b/packages/taler-wallet-webextension/manifest.json
index 0931d118..44dfe8cd 100644
--- a/packages/taler-wallet-webextension/manifest.json
+++ b/packages/taler-wallet-webextension/manifest.json
@@ -4,8 +4,8 @@
   "name": "GNU Taler Wallet (git)",
   "description": "Privacy preserving and transparent payments",
   "author": "GNU Taler Developers",
-  "version": "0.8.0.4",
-  "version_name": "0.8.0",
+  "version": "0.8.0.5",
+  "version_name": "0.8.1-dev.1",
 
   "minimum_chrome_version": "51",
   "minimum_opera_version": "36",
diff --git a/packages/taler-wallet-webextension/package.json 
b/packages/taler-wallet-webextension/package.json
index f852b682..5dc1f1b0 100644
--- a/packages/taler-wallet-webextension/package.json
+++ b/packages/taler-wallet-webextension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "taler-wallet-webextension",
-  "version": "0.8.0",
+  "version": "0.8.1-dev.1",
   "description": "GNU Taler Wallet browser extension",
   "main": "./build/index.js",
   "types": "./build/index.d.ts",
diff --git a/packages/taler-wallet-webextension/src/browserHttpLib.ts 
b/packages/taler-wallet-webextension/src/browserHttpLib.ts
index bfc85563..08364e40 100644
--- a/packages/taler-wallet-webextension/src/browserHttpLib.ts
+++ b/packages/taler-wallet-webextension/src/browserHttpLib.ts
@@ -24,6 +24,7 @@ import {
   HttpRequestOptions,
   HttpResponse,
   Headers,
+  bytesToString,
 } from "taler-wallet-core";
 import { TalerErrorCode } from "taler-wallet-core";
 
@@ -78,10 +79,16 @@ export class BrowserHttpLib implements HttpRequestLibrary {
             reject(exc);
             return;
           }
+          const makeText = async (): Promise<string> => {
+            const td = new TextDecoder();
+            return td.decode(myRequest.response);
+          };
           const makeJson = async (): Promise<any> => {
             let responseJson;
             try {
-              responseJson = JSON.parse(myRequest.responseText);
+              const td = new TextDecoder();
+              const responseString = td.decode(myRequest.response);
+              responseJson = JSON.parse(responseString);
             } catch (e) {
               throw OperationFailedError.fromCode(
                 TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE,
@@ -126,7 +133,7 @@ export class BrowserHttpLib implements HttpRequestLibrary {
             headers: headerMap,
             requestMethod: method,
             json: makeJson,
-            text: async () => myRequest.responseText,
+            text: makeText,
             bytes: async () => myRequest.response,
           };
           resolve(resp);
@@ -149,7 +156,7 @@ export class BrowserHttpLib implements HttpRequestLibrary {
   ): Promise<HttpResponse> {
     return this.fetch(url, {
       method: "POST",
-      body,
+      body: JSON.stringify(body),
       ...opt,
     });
   }

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