9 files changed, 27 insertions, 7 deletions
diff --git a/packages/taler-util/src/backup-types.ts b/packages/taler-util/src/backup-types.ts
index 0a355b65f..f7bf5ef30 100644
--- a/packages/taler-util/src/backup-types.ts
+++ b/packages/taler-util/src/backup-types.ts
@@ -947,6 +947,11 @@ export interface BackupPurchase {
    */
   merchant_pay_sig: string | undefined;
 
+  /**
+   * Text to be shown to the point-of-sale staff as a proof of payment.
+   */
+  pos_confirmation: string | undefined;
+
   timestamp_proposed: TalerProtocolTimestamp;
 
   /**
diff --git a/packages/taler-util/src/taler-types.ts b/packages/taler-util/src/taler-types.ts
index 6e7df2c04..48eb49d22 100644
--- a/packages/taler-util/src/taler-types.ts
+++ b/packages/taler-util/src/taler-types.ts
@@ -961,6 +961,7 @@ export class ExchangeWithdrawBatchResponse {
 
 export interface MerchantPayResponse {
   sig: string;
+  pos_confirmation?: string;
 }
 
 export interface ExchangeMeltRequest {
@@ -1490,6 +1491,7 @@ export const codecForWithdrawBatchResponse =
 export const codecForMerchantPayResponse = (): Codec<MerchantPayResponse> =>
   buildCodecForObject<MerchantPayResponse>()
     .property("sig", codecForString())
+    .property("pos_confirmation", codecOptional(codecForString()))
     .build("MerchantPayResponse");
 
 export const codecForExchangeMeltResponse = (): Codec<ExchangeMeltResponse> =>
diff --git a/packages/taler-util/src/transactions-types.ts b/packages/taler-util/src/transactions-types.ts
index d3b68b114..eec173de6 100644
--- a/packages/taler-util/src/transactions-types.ts
+++ b/packages/taler-util/src/transactions-types.ts
@@ -406,6 +406,11 @@ export interface TransactionPayment extends TransactionCommon {
    * Is the wallet currently checking for a refund?
    */
   refundQueryActive: boolean;
+
+  /**
+   * Does this purchase has an pos validation
+   */
+  posConfirmation: string | undefined;
 }
 
 export interface OrderShortInfo {
diff --git a/packages/taler-util/src/wallet-types.ts b/packages/taler-util/src/wallet-types.ts
index de84677ac..940251366 100644
--- a/packages/taler-util/src/wallet-types.ts
+++ b/packages/taler-util/src/wallet-types.ts
@@ -51,15 +51,15 @@ import {
   AmountString,
   AuditorDenomSig,
   codecForMerchantContractTerms,
+  codecForPeerContractTerms,
   CoinEnvelope,
-  MerchantContractTerms,
-  PeerContractTerms,
   DenominationPubKey,
   DenomKeyType,
   ExchangeAuditor,
-  UnblindedSignature,
-  codecForPeerContractTerms,
+  MerchantContractTerms,
+  PeerContractTerms,
   TrackTransaction,
+  UnblindedSignature,
 } from "./taler-types.js";
 import {
   AbsoluteTime,
diff --git a/packages/taler-wallet-core/src/db.ts b/packages/taler-wallet-core/src/db.ts
index 9ee157a2a..0ec2e31c8 100644
--- a/packages/taler-wallet-core/src/db.ts
+++ b/packages/taler-wallet-core/src/db.ts
@@ -1239,6 +1239,8 @@ export interface PurchaseRecord {
 
   merchantPaySig: string | undefined;
 
+  posConfirmation: string | undefined;
+
   /**
    * When was the purchase record created?
    */
diff --git a/packages/taler-wallet-core/src/operations/backup/export.ts b/packages/taler-wallet-core/src/operations/backup/export.ts
index 3dd4e0e32..68f8beb93 100644
--- a/packages/taler-wallet-core/src/operations/backup/export.ts
+++ b/packages/taler-wallet-core/src/operations/backup/export.ts
@@ -468,6 +468,7 @@ export async function exportBackup(
           contract_terms_raw: contractTermsRaw,
           auto_refund_deadline: purch.autoRefundDeadline,
           merchant_pay_sig: purch.merchantPaySig,
+          pos_confirmation: purch.posConfirmation,
           pay_info: backupPayInfo,
           proposal_id: purch.proposalId,
           refunds,
diff --git a/packages/taler-wallet-core/src/operations/backup/import.ts b/packages/taler-wallet-core/src/operations/backup/import.ts
index c1be1d4d9..32b90e126 100644
--- a/packages/taler-wallet-core/src/operations/backup/import.ts
+++ b/packages/taler-wallet-core/src/operations/backup/import.ts
@@ -691,6 +691,7 @@ export async function importBackup(
               backupPurchase.timestamp_first_successful_pay,
             timestampLastRefundStatus: undefined,
             merchantPaySig: backupPurchase.merchant_pay_sig,
+            posConfirmation: backupPurchase.pos_confirmation,
             lastSessionId: undefined,
             download,
             refunds,
diff --git a/packages/taler-wallet-core/src/operations/pay-merchant.ts b/packages/taler-wallet-core/src/operations/pay-merchant.ts
index f8fa1d34d..496641fe7 100644
--- a/packages/taler-wallet-core/src/operations/pay-merchant.ts
+++ b/packages/taler-wallet-core/src/operations/pay-merchant.ts
@@ -57,6 +57,7 @@ import {
   MerchantCoinRefundStatus,
   MerchantCoinRefundSuccessStatus,
   MerchantContractTerms,
+  MerchantPayResponse,
   NotificationType,
   parsePayUri,
   parseRefundUri,
@@ -605,6 +606,7 @@ async function startDownloadProposal(
     timestampFirstSuccessfulPay: undefined,
     timestampLastRefundStatus: undefined,
     pendingRemovedCoinPubs: undefined,
+    posConfirmation: undefined,
   };
 
   await ws.db
@@ -629,7 +631,7 @@ async function storeFirstPaySuccess(
   ws: InternalWalletState,
   proposalId: string,
   sessionId: string | undefined,
-  paySig: string,
+  payResponse: MerchantPayResponse,
 ): Promise<void> {
   const now = AbsoluteTime.toTimestamp(AbsoluteTime.now());
   await ws.db
@@ -651,7 +653,8 @@ async function storeFirstPaySuccess(
       }
       purchase.timestampFirstSuccessfulPay = now;
       purchase.lastSessionId = sessionId;
-      purchase.merchantPaySig = paySig;
+      purchase.merchantPaySig = payResponse.sig;
+      purchase.posConfirmation = payResponse.pos_confirmation;
       const dl = purchase.download;
       checkDbInvariant(!!dl);
       const contractTermsRecord = await tx.contractTerms.get(
@@ -1529,7 +1532,7 @@ export async function processPurchasePay(
       throw Error("merchant payment signature invalid");
     }
 
-    await storeFirstPaySuccess(ws, proposalId, sessionId, merchantResp.sig);
+    await storeFirstPaySuccess(ws, proposalId, sessionId, merchantResp);
     await unblockBackup(ws, proposalId);
   } else {
     const payAgainUrl = new URL(
diff --git a/packages/taler-wallet-core/src/operations/transactions.ts b/packages/taler-wallet-core/src/operations/transactions.ts
index c0045aced..34d76c5c2 100644
--- a/packages/taler-wallet-core/src/operations/transactions.ts
+++ b/packages/taler-wallet-core/src/operations/transactions.ts
@@ -1014,6 +1014,7 @@ async function buildTransactionForPurchase(
     extendedStatus: status,
     pending: purchaseRecord.purchaseStatus === PurchaseStatus.Paying,
     refunds,
+    posConfirmation: purchaseRecord.posConfirmation,
     timestamp,
     transactionId: makeTransactionId(
       TransactionType.Payment,