adapt to protocol changes and improve error handling

lib/wallet/cryptoLib.ts

@@ -125,6 +125,7 @@ namespace RpcFunctions {
       fee_deposit: (new native.Amount(denom.fee_deposit)).toNbo(),
       fee_refresh: (new native.Amount(denom.fee_refresh)).toNbo(),
       fee_withdraw: (new native.Amount(denom.fee_withdraw)).toNbo(),
+      fee_refund: (new native.Amount(denom.fee_refund)).toNbo(),
     });
 
     let nativeSig = new native.EddsaSignature();

lib/wallet/emscriptif.ts

@@ -866,6 +866,7 @@ export interface DenominationKeyValidityPS_args {
   fee_withdraw: AmountNbo;
   fee_deposit: AmountNbo;
   fee_refresh: AmountNbo;
+  fee_refund: AmountNbo;
   denom_hash: HashCode;
 }
 
@@ -889,6 +890,7 @@ export class DenominationKeyValidityPS extends SignatureStruct {
       ["fee_withdraw", AmountNbo],
       ["fee_deposit", AmountNbo],
       ["fee_refresh", AmountNbo],
+      ["fee_refund", AmountNbo],
       ["denom_hash", HashCode]
     ];
   }

lib/wallet/types.ts

@@ -75,6 +75,9 @@ export class Denomination {
   @Checkable.Value(AmountJson)
   fee_refresh: AmountJson;
 
+  @Checkable.Value(AmountJson)
+  fee_refund: AmountJson;
+
   @Checkable.String
   stamp_start: string;
 

manifest.json

@@ -2,7 +2,7 @@
   "description": "Privacy preserving and transparent payments",
   "manifest_version": 2,
   "name": "GNU Taler Wallet (git)",
-  "version": "0.5.19",
+  "version": "0.5.20",
 
   "applications": {
     "gecko": {

pages/confirm-create-reserve.tsx

@@ -121,8 +121,9 @@ class Controller {
           console.log("get exchange info rejected");
           if (e.hasOwnProperty("httpStatus")) {
             this.statusString = `request failed with status ${this.request.status}`;
-          } else {
+          } else if (e.hasOwnProperty("errorResponse")) {
-            this.statusString = `unknown request error`;
+            let resp = e.errorResponse;
+            this.statusString = `error: ${resp.error} (${resp.hint})`;
           }
           m.endComputation();
         });