show next url to go after tipping

src/types.ts

@@ -1943,6 +1943,11 @@ export interface TipRecord {
    * Identifier for the tip, chosen by the merchant.
    */
   tipId: string;
+
+  /**
+   * URL to go to once the tip has been accepted.
+   */
+  nextUrl: string;
 }
 
 
@@ -2007,6 +2012,9 @@ export class GetTipPlanchetsRequest {
   @Checkable.String
   exchangeUrl: string;
 
+  @Checkable.String
+  nextUrl: string;
+
   static checked: (obj: any) => GetTipPlanchetsRequest;
 }
 
@@ -2027,5 +2035,8 @@ export class TipToken {
   @Checkable.Value(AmountJson)
   amount: AmountJson;
 
+  @Checkable.String
+  next_url: string;
+
   static checked: (obj: any) => TipToken;
 }

src/wallet.ts

@@ -329,7 +329,7 @@ export const WALLET_PROTOCOL_VERSION = "2:0:0";
  * In the future we might consider adding migration functions for
  * each version increment.
  */
-export const WALLET_DB_VERSION = 21;
+export const WALLET_DB_VERSION = 22;
 
 const builtinCurrencies: CurrencyRecord[] = [
   {
@@ -2862,7 +2862,7 @@ export class Wallet {
    * Get planchets for a tip.  Creates new planchets if they don't exist already
    * for this tip.  The tip is uniquely identified by the merchant's domain and the tip id.
    */
-  async getTipPlanchets(merchantDomain: string, tipId: string, amount: AmountJson, deadline: number, exchangeUrl: string): Promise<TipPlanchetDetail[]> {
+  async getTipPlanchets(merchantDomain: string, tipId: string, amount: AmountJson, deadline: number, exchangeUrl: string, nextUrl: string): Promise<TipPlanchetDetail[]> {
     let tipRecord = await this.q().get(Stores.tips, [tipId, merchantDomain]);
     if (!tipRecord) {
       await this.updateExchangeFromUrl(exchangeUrl);
@@ -2876,6 +2876,7 @@ export class Wallet {
         deadline,
         exchangeUrl,
         merchantDomain,
+        nextUrl,
         planchets,
         tipId,
       };

src/webex/notify.ts

@@ -272,7 +272,7 @@ function talerPay(msg: any): Promise<any> {
       const merchantDomain = new URI(document.location.href).origin();
       let walletResp;
       try {
-        walletResp = await wxApi.getTipPlanchets(merchantDomain, tipToken.tip_id, tipToken.amount, deadlineSec, tipToken.exchange_url);
+        walletResp = await wxApi.getTipPlanchets(merchantDomain, tipToken.tip_id, tipToken.amount, deadlineSec, tipToken.exchange_url, tipToken.next_url);
       } catch (e) {
         wxApi.logAndDisplayError({
           message: e.message,

src/webex/pages/tip.tsx

@@ -121,7 +121,7 @@ class TipDisplay extends React.Component<TipDisplayProps, TipDisplayState> {
         <h2>Tip Received!</h2>
         <p>You received a tip of <strong>{renderAmount(ts.tip.amount)}</strong> from <strong>{this.props.merchantDomain}</strong>.</p>
         {ts.tip.accepted
-          ? <p>You've accepted this tip!</p>
+          ? <p>You've accepted this tip! <a href={ts.tip.nextUrl}>Go back to merchant</a></p>
           : this.renderButtons()
         }
         {this.renderExchangeInfo(ts)}

src/webex/wxApi.ts

@@ -366,8 +366,8 @@ export function getFullRefundFees(args: { refundPermissions: RefundPermission[]
 /**
  * Get or generate planchets to give the merchant that wants to tip us.
  */
-export function getTipPlanchets(merchantDomain: string, tipId: string, amount: AmountJson, deadline: number, exchangeUrl: string): Promise<TipPlanchetDetail[]> {
+export function getTipPlanchets(merchantDomain: string, tipId: string, amount: AmountJson, deadline: number, exchangeUrl: string, nextUrl: string): Promise<TipPlanchetDetail[]> {
-  return callBackend("get-tip-planchets", { merchantDomain, tipId, amount, deadline, exchangeUrl });
+  return callBackend("get-tip-planchets", { merchantDomain, tipId, amount, deadline, exchangeUrl, nextUrl });
 }
 
 export function getTipStatus(merchantDomain: string, tipId: string): Promise<TipStatus> {

src/webex/wxBackend.ts

@@ -335,7 +335,7 @@ function handleMessage(sender: MessageSender,
     }
     case "get-tip-planchets": {
       const req = GetTipPlanchetsRequest.checked(detail);
-      return needsWallet().getTipPlanchets(req.merchantDomain, req.tipId, req.amount, req.deadline, req.exchangeUrl);
+      return needsWallet().getTipPlanchets(req.merchantDomain, req.tipId, req.amount, req.deadline, req.exchangeUrl, req.nextUrl);
     }
     default:
       // Exhaustiveness check.