[taler-wallet-core] branch master updated: revert c09caa5fd which removed minimum_age from contract terms

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sebasjm pushed a commit to branch master
in repository wallet-core.

The following commit(s) were added to refs/heads/master by this push:
     new a9540de31 revert c09caa5fd which removed minimum_age from contract 
terms
a9540de31 is described below

commit a9540de313506200105f8c75ac219ffeb7622d78
Author: Sebastian <sebasjm@gmail.com>
AuthorDate: Fri Mar 22 09:16:23 2024 -0300

    revert c09caa5fd which removed minimum_age from contract terms
---
 packages/taler-util/src/MerchantApiClient.ts    |   2 +-
 packages/taler-util/src/http-client/README.md   |  31 ++---
 packages/taler-util/src/http-client/merchant.ts |  80 +++++++------
 packages/taler-util/src/http-client/types.ts    | 153 ++++++++++++------------
 packages/taler-util/src/http-client/utils.ts    |   6 +-
 packages/taler-util/src/merchant-api-types.ts   |   1 -
 packages/taler-util/src/observability.ts        |   2 +-
 packages/taler-util/src/taler-types.ts          |  12 +-
 packages/taler-util/src/wallet-types.ts         |  13 +-
 packages/taler-wallet-core/src/pay-merchant.ts  |   9 +-
 10 files changed, 158 insertions(+), 151 deletions(-)

diff --git a/packages/taler-util/src/MerchantApiClient.ts 
b/packages/taler-util/src/MerchantApiClient.ts
index 65827849d..fa9a00176 100644
--- a/packages/taler-util/src/MerchantApiClient.ts
+++ b/packages/taler-util/src/MerchantApiClient.ts
@@ -34,7 +34,7 @@ import {
   MerchantPostOrderRequest,
   MerchantPostOrderResponse,
   MerchantTemplateAddDetails,
-  codecForMerchantPostOrderResponse
+  codecForMerchantPostOrderResponse,
 } from "./merchant-api-types.js";
 import {
   FailCasesByMethod,
diff --git a/packages/taler-util/src/http-client/README.md 
b/packages/taler-util/src/http-client/README.md
index 5af5d48a7..33d1a8645 100644
--- a/packages/taler-util/src/http-client/README.md
+++ b/packages/taler-util/src/http-client/README.md
@@ -1,24 +1,19 @@
-HTTP Cclients
--------------
+## HTTP Cclients
 
 This folder contain class or function specifically designed to facilitate HTTP 
client
-interactions with a the core systems. 
+interactions with a the core systems.
 
 These API defines:
 
-1.  **API Communication**: Handle communication with the component API, 
-abstracting away the details of HTTP requests and responses. 
-This includes making GET, POST, PUT, and DELETE requests to the servers.
-    
-2.  **Data Formatting**: Responsible for formatting requests to the API in a 
-way that's expected by the servers (JSON) and parsing the responses back 
-into formats usable by the client.
-    
-3.  **Authentication and Security**: Handling authentication with the server 
API, 
-which could involve sending API keys, client credentials, or managing tokens. 
-It might also implement security features to ensure data integrity and 
confidentiality during transit.
-    
-4.  **Error Handling**: Providing robust error handling and retry mechanisms 
-for failed HTTP requests, including logging and potentially user notifications 
for critical failures.
-    
+1.  **API Communication**: Handle communication with the component API,
+    abstracting away the details of HTTP requests and responses.
+    This includes making GET, POST, PUT, and DELETE requests to the servers.
+2.  **Data Formatting**: Responsible for formatting requests to the API in a
+    way that's expected by the servers (JSON) and parsing the responses back
+    into formats usable by the client.
+3.  **Authentication and Security**: Handling authentication with the server 
API,
+    which could involve sending API keys, client credentials, or managing 
tokens.
+    It might also implement security features to ensure data integrity and 
confidentiality during transit.
+4.  **Error Handling**: Providing robust error handling and retry mechanisms
+    for failed HTTP requests, including logging and potentially user 
notifications for critical failures.
 5.  **Data Validation**: Before sending requests, it could validate the data 
to ensure it meets the API's expected format, types, and value ranges, reducing 
the likelihood of errors and improving system reliability.
diff --git a/packages/taler-util/src/http-client/merchant.ts 
b/packages/taler-util/src/http-client/merchant.ts
index 1cc410191..0fe9973bb 100644
--- a/packages/taler-util/src/http-client/merchant.ts
+++ b/packages/taler-util/src/http-client/merchant.ts
@@ -53,7 +53,7 @@ import {
   codecForWebhookSummaryResponse,
   opEmptySuccess,
   opKnownAlternativeFailure,
-  opKnownHttpFailure
+  opKnownHttpFailure,
 } from "@gnu-taler/taler-util";
 import {
   HttpRequestLibrary,
@@ -61,7 +61,11 @@ import {
   createPlatformHttpLib,
 } from "@gnu-taler/taler-util/http";
 import { opSuccessFromHttp, opUnknownFailure } from "../operation.js";
-import { CacheEvictor, addMerchantPaginationParams, nullEvictor } from 
"./utils.js";
+import {
+  CacheEvictor,
+  addMerchantPaginationParams,
+  nullEvictor,
+} from "./utils.js";
 
 export enum TalerMerchantCacheEviction {
   CREATE_ORDER,
@@ -681,7 +685,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Gone:
@@ -703,7 +707,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
@@ -727,19 +731,23 @@ export class TalerMerchantInstanceHttpClient {
       method: "POST",
       body,
     });
-    return TalerMerchantInstanceHttpClient.procesOrderCreationResponse(resp)
+    return TalerMerchantInstanceHttpClient.procesOrderCreationResponse(resp);
   }
 
   private static async procesOrderCreationResponse(resp: HttpResponse) {
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForPostOrderResponse())
+        return opSuccessFromHttp(resp, codecForPostOrderResponse());
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Gone:
-        return opKnownAlternativeFailure(resp, resp.status, 
codecForOutOfStockResponse());
+        return opKnownAlternativeFailure(
+          resp,
+          resp.status,
+          codecForOutOfStockResponse(),
+        );
       default:
         return opUnknownFailure(resp, await resp.text());
     }
@@ -772,7 +780,7 @@ export class TalerMerchantInstanceHttpClient {
     if (params.wired) {
       url.searchParams.set("wired", "YES");
     }
-    addMerchantPaginationParams(url, params)
+    addMerchantPaginationParams(url, params);
 
     const resp = await this.httpLib.fetch(url.href, {
       method: "GET",
@@ -780,7 +788,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForOrderHistory())
+        return opSuccessFromHttp(resp, codecForOrderHistory());
       default:
         return opUnknownFailure(resp, await resp.text());
     }
@@ -811,17 +819,23 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, 
codecForMerchantOrderPrivateStatusResponse())
+        return opSuccessFromHttp(
+          resp,
+          codecForMerchantOrderPrivateStatusResponse(),
+        );
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.BadGateway:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.GatewayTimeout:
-        return opKnownAlternativeFailure(resp, resp.status, 
codecForOutOfStockResponse());
+        return opKnownAlternativeFailure(
+          resp,
+          resp.status,
+          codecForOutOfStockResponse(),
+        );
       default:
         return opUnknownFailure(resp, await resp.text());
     }
-
   }
 
   /**
@@ -837,9 +851,9 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.BadRequest:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.NotFound:
@@ -863,7 +877,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
@@ -890,7 +904,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForMerchantRefundResponse())
+        return opSuccessFromHttp(resp, codecForMerchantRefundResponse());
       case HttpStatusCode.Forbidden:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.NotFound:
@@ -921,7 +935,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
@@ -951,7 +965,7 @@ export class TalerMerchantInstanceHttpClient {
     if (params.verified) {
       url.searchParams.set("verified", "YES");
     }
-    addMerchantPaginationParams(url, params)
+    addMerchantPaginationParams(url, params);
 
     const resp = await this.httpLib.fetch(url.href, {
       method: "GET",
@@ -959,7 +973,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForTansferList())
+        return opSuccessFromHttp(resp, codecForTansferList());
       default:
         return opUnknownFailure(resp, await resp.text());
     }
@@ -977,7 +991,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
@@ -1004,7 +1018,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       default:
@@ -1027,7 +1041,7 @@ export class TalerMerchantInstanceHttpClient {
     });
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
@@ -1048,7 +1062,7 @@ export class TalerMerchantInstanceHttpClient {
     });
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForOtpDeviceSummaryResponse())
+        return opSuccessFromHttp(resp, codecForOtpDeviceSummaryResponse());
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       default:
@@ -1077,7 +1091,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForOtpDeviceDetails())
+        return opSuccessFromHttp(resp, codecForOtpDeviceDetails());
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       default:
@@ -1243,7 +1257,7 @@ export class TalerMerchantInstanceHttpClient {
       body,
     });
 
-    return TalerMerchantInstanceHttpClient.procesOrderCreationResponse(resp)
+    return TalerMerchantInstanceHttpClient.procesOrderCreationResponse(resp);
   }
 
   //
@@ -1263,13 +1277,12 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       default:
         return opUnknownFailure(resp, await resp.text());
     }
-
   }
 
   /**
@@ -1288,7 +1301,7 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opEmptySuccess(resp)
+        return opEmptySuccess(resp);
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Conflict:
@@ -1296,7 +1309,6 @@ export class TalerMerchantInstanceHttpClient {
       default:
         return opUnknownFailure(resp, await resp.text());
     }
-
   }
 
   /**
@@ -1311,13 +1323,12 @@ export class TalerMerchantInstanceHttpClient {
 
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opSuccessFromHttp(resp, codecForWebhookSummaryResponse())
+        return opSuccessFromHttp(resp, codecForWebhookSummaryResponse());
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       default:
         return opUnknownFailure(resp, await resp.text());
     }
-
   }
 
   /**
@@ -1331,7 +1342,7 @@ export class TalerMerchantInstanceHttpClient {
     });
     switch (resp.status) {
       case HttpStatusCode.NoContent:
-        return opSuccessFromHttp(resp, codecForWebhookDetails())
+        return opSuccessFromHttp(resp, codecForWebhookDetails());
       case HttpStatusCode.NotFound:
         return opKnownHttpFailure(resp.status, resp);
       default:
@@ -1356,7 +1367,6 @@ export class TalerMerchantInstanceHttpClient {
       default:
         return opUnknownFailure(resp, await resp.text());
     }
-
   }
 
   //
@@ -1563,7 +1573,7 @@ export class TalerMerchantManagementHttpClient extends 
TalerMerchantInstanceHttp
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForInstancesResponse())
+        return opSuccessFromHttp(resp, codecForInstancesResponse());
       default:
         return opUnknownFailure(resp, await resp.text());
     }
@@ -1582,7 +1592,7 @@ export class TalerMerchantManagementHttpClient extends 
TalerMerchantInstanceHttp
 
     switch (resp.status) {
       case HttpStatusCode.Ok:
-        return opSuccessFromHttp(resp, codecForQueryInstancesResponse())
+        return opSuccessFromHttp(resp, codecForQueryInstancesResponse());
       default:
         return opUnknownFailure(resp, await resp.text());
     }
diff --git a/packages/taler-util/src/http-client/types.ts 
b/packages/taler-util/src/http-client/types.ts
index 5fa3d0e7a..e3d25b888 100644
--- a/packages/taler-util/src/http-client/types.ts
+++ b/packages/taler-util/src/http-client/types.ts
@@ -572,11 +572,10 @@ export const codecForOutOfStockResponse =
       .property("restock_expected", codecForTimestamp)
       .build("TalerMerchantApi.OutOfStockResponse");
 
-export const codecForOrderHistory =
-  (): Codec<TalerMerchantApi.OrderHistory> =>
-    buildCodecForObject<TalerMerchantApi.OrderHistory>()
-      .property("orders", codecForList(codecForOrderHistoryEntry()))
-      .build("TalerMerchantApi.OrderHistory");
+export const codecForOrderHistory = (): Codec<TalerMerchantApi.OrderHistory> =>
+  buildCodecForObject<TalerMerchantApi.OrderHistory>()
+    .property("orders", codecForList(codecForOrderHistoryEntry()))
+    .build("TalerMerchantApi.OrderHistory");
 
 export const codecForOrderHistoryEntry =
   (): Codec<TalerMerchantApi.OrderHistoryEntry> =>
@@ -590,7 +589,6 @@ export const codecForOrderHistoryEntry =
       .property("paid", codecForBoolean())
       .build("TalerMerchantApi.OrderHistoryEntry");
 
-
 export const codecForMerchant = (): Codec<TalerMerchantApi.Merchant> =>
   buildCodecForObject<TalerMerchantApi.Merchant>()
     .property("name", codecForString())
@@ -608,36 +606,40 @@ export const codecForExchange = (): 
Codec<TalerMerchantApi.Exchange> =>
     .property("url", codecForString())
     .build("TalerMerchantApi.Exchange");
 
-export const codecForContractTerms = (): Codec<TalerMerchantApi.ContractTerms> 
=>
-  buildCodecForObject<TalerMerchantApi.ContractTerms>()
-    .property("order_id", codecForString())
-    .property("fulfillment_url", codecOptional(codecForString()))
-    .property("fulfillment_message", codecOptional(codecForString()))
-    .property(
-      "fulfillment_message_i18n",
-      codecOptional(codecForInternationalizedString()),
-    )
-    .property("merchant_base_url", codecForString())
-    .property("h_wire", codecForString())
-    .property("auto_refund", codecOptional(codecForDuration))
-    .property("wire_method", codecForString())
-    .property("summary", codecForString())
-    .property("summary_i18n", codecOptional(codecForInternationalizedString()))
-    .property("nonce", codecForString())
-    .property("amount", codecForAmountString())
-    .property("pay_deadline", codecForTimestamp)
-    .property("refund_deadline", codecForTimestamp)
-    .property("wire_transfer_deadline", codecForTimestamp)
-    .property("timestamp", codecForTimestamp)
-    .property("delivery_location", codecOptional(codecForLocation()))
-    .property("delivery_date", codecOptional(codecForTimestamp))
-    .property("max_fee", codecForAmountString())
-    .property("merchant", codecForMerchant())
-    .property("merchant_pub", codecForString())
-    .property("exchanges", codecForList(codecForExchange()))
-    .property("products", codecForList(codecForProduct()))
-    .property("extra", codecForAny())
-    .build("TalerMerchantApi.ContractTerms");
+export const codecForContractTerms =
+  (): Codec<TalerMerchantApi.ContractTerms> =>
+    buildCodecForObject<TalerMerchantApi.ContractTerms>()
+      .property("order_id", codecForString())
+      .property("fulfillment_url", codecOptional(codecForString()))
+      .property("fulfillment_message", codecOptional(codecForString()))
+      .property(
+        "fulfillment_message_i18n",
+        codecOptional(codecForInternationalizedString()),
+      )
+      .property("merchant_base_url", codecForString())
+      .property("h_wire", codecForString())
+      .property("auto_refund", codecOptional(codecForDuration))
+      .property("wire_method", codecForString())
+      .property("summary", codecForString())
+      .property(
+        "summary_i18n",
+        codecOptional(codecForInternationalizedString()),
+      )
+      .property("nonce", codecForString())
+      .property("amount", codecForAmountString())
+      .property("pay_deadline", codecForTimestamp)
+      .property("refund_deadline", codecForTimestamp)
+      .property("wire_transfer_deadline", codecForTimestamp)
+      .property("timestamp", codecForTimestamp)
+      .property("delivery_location", codecOptional(codecForLocation()))
+      .property("delivery_date", codecOptional(codecForTimestamp))
+      .property("max_fee", codecForAmountString())
+      .property("merchant", codecForMerchant())
+      .property("merchant_pub", codecForString())
+      .property("exchanges", codecForList(codecForExchange()))
+      .property("products", codecForList(codecForProduct()))
+      .property("extra", codecForAny())
+      .build("TalerMerchantApi.ContractTerms");
 
 export const codecForProduct = (): Codec<TalerMerchantApi.Product> =>
   buildCodecForObject<TalerMerchantApi.Product>()
@@ -655,8 +657,6 @@ export const codecForProduct = (): 
Codec<TalerMerchantApi.Product> =>
     .property("delivery_date", codecOptional(codecForTimestamp))
     .build("TalerMerchantApi.Product");
 
-
-
 export const codecForCheckPaymentPaidResponse =
   (): Codec<TalerMerchantApi.CheckPaymentPaidResponse> =>
     buildCodecForObject<TalerMerchantApi.CheckPaymentPaidResponse>()
@@ -704,8 +704,6 @@ export const codecForMerchantOrderPrivateStatusResponse =
       .alternative("claimed", codecForCheckPaymentClaimedResponse())
       .build("TalerMerchantApi.MerchantOrderStatusResponse");
 
-
-
 export const codecForRefundDetails =
   (): Codec<TalerMerchantApi.RefundDetails> =>
     buildCodecForObject<TalerMerchantApi.RefundDetails>()
@@ -742,11 +740,10 @@ export const codecForMerchantRefundResponse =
       .property("h_contract", codecForString())
       .build("TalerMerchantApi.MerchantRefundResponse");
 
-export const codecForTansferList =
-  (): Codec<TalerMerchantApi.TransferList> =>
-    buildCodecForObject<TalerMerchantApi.TransferList>()
-      .property("transfers", codecForList(codecForTransferDetails()))
-      .build("TalerMerchantApi.TransferList");
+export const codecForTansferList = (): Codec<TalerMerchantApi.TransferList> =>
+  buildCodecForObject<TalerMerchantApi.TransferList>()
+    .property("transfers", codecForList(codecForTransferDetails()))
+    .build("TalerMerchantApi.TransferList");
 
 export const codecForTransferDetails =
   (): Codec<TalerMerchantApi.TransferDetails> =>
@@ -784,7 +781,6 @@ export const codecForOtpDeviceDetails =
       .property("otp_code", codecOptional(codecForString()))
       .build("TalerMerchantApi.OtpDeviceDetails");
 
-
 export const codecForTemplateSummaryResponse =
   (): Codec<TalerMerchantApi.TemplateSummaryResponse> =>
     buildCodecForObject<TalerMerchantApi.TemplateSummaryResponse>()
@@ -822,19 +818,17 @@ export const codecForWalletTemplateDetails =
       .property("template_contract", codecForTemplateContractDetails())
       .build("TalerMerchantApi.WalletTemplateDetails");
 
-
 export const codecForWebhookSummaryResponse =
   (): Codec<TalerMerchantApi.WebhookSummaryResponse> =>
     buildCodecForObject<TalerMerchantApi.WebhookSummaryResponse>()
       .property("webhooks", codecForList(codecForWebhookEntry()))
       .build("TalerMerchantApi.WebhookSummaryResponse");
 
-export const codecForWebhookEntry =
-  (): Codec<TalerMerchantApi.WebhookEntry> =>
-    buildCodecForObject<TalerMerchantApi.WebhookEntry>()
-      .property("webhook_id", codecForString())
-      .property("event_type", codecForString())
-      .build("TalerMerchantApi.WebhookEntry");
+export const codecForWebhookEntry = (): Codec<TalerMerchantApi.WebhookEntry> =>
+  buildCodecForObject<TalerMerchantApi.WebhookEntry>()
+    .property("webhook_id", codecForString())
+    .property("event_type", codecForString())
+    .build("TalerMerchantApi.WebhookEntry");
 
 export const codecForWebhookDetails =
   (): Codec<TalerMerchantApi.WebhookDetails> =>
@@ -851,21 +845,20 @@ export const codecForTokenFamilyKind =
     codecForEither(
       codecForConstString("discount"),
       codecForConstString("subscription"),
-    ) as any //FIXME: create a codecForEnum
-  ;
+    ) as any; //FIXME: create a codecForEnum
 export const codecForTokenFamilyDetails =
   (): Codec<TalerMerchantApi.TokenFamilyDetails> =>
     buildCodecForObject<TalerMerchantApi.TokenFamilyDetails>()
       .property("slug", codecForString())
       .property("name", codecForString())
       .property("description", codecForString())
-      .property("description_i18n", (codecForInternationalizedString()))
-      .property("valid_after", (codecForTimestamp))
-      .property("valid_before", (codecForTimestamp))
-      .property("duration", (codecForDuration))
+      .property("description_i18n", codecForInternationalizedString())
+      .property("valid_after", codecForTimestamp)
+      .property("valid_before", codecForTimestamp)
+      .property("duration", codecForDuration)
       .property("kind", codecForTokenFamilyKind())
-      .property("issued", (codecForNumber()))
-      .property("redeemed", (codecForNumber()))
+      .property("issued", codecForNumber())
+      .property("redeemed", codecForNumber())
       .build("TalerMerchantApi.TokenFamilyDetails");
 
 export const codecForTokenFamiliesList =
@@ -884,25 +877,23 @@ export const codecForTokenFamilySummary =
       .property("kind", codecForTokenFamilyKind())
       .build("TalerMerchantApi.TokenFamilySummary");
 
-
 export const codecForInstancesResponse =
   (): Codec<TalerMerchantApi.InstancesResponse> =>
     buildCodecForObject<TalerMerchantApi.InstancesResponse>()
       .property("instances", codecForList(codecForInstance()))
       .build("TalerMerchantApi.InstancesResponse");
 
-export const codecForInstance =
-  (): Codec<TalerMerchantApi.Instance> =>
-    buildCodecForObject<TalerMerchantApi.Instance>()
-      .property("name", codecForString())
-      .property("user_type", codecForString())
-      .property("website", codecOptional(codecForString()))
-      .property("logo", codecOptional(codecForString()))
-      .property("id", codecForString())
-      .property("merchant_pub", codecForString())
-      .property("payment_targets", codecForList(codecForString()))
-      .property("deleted", codecForBoolean())
-      .build("TalerMerchantApi.Instance");
+export const codecForInstance = (): Codec<TalerMerchantApi.Instance> =>
+  buildCodecForObject<TalerMerchantApi.Instance>()
+    .property("name", codecForString())
+    .property("user_type", codecForString())
+    .property("website", codecOptional(codecForString()))
+    .property("logo", codecOptional(codecForString()))
+    .property("id", codecForString())
+    .property("merchant_pub", codecForString())
+    .property("payment_targets", codecForList(codecForString()))
+    .property("deleted", codecForBoolean())
+    .build("TalerMerchantApi.Instance");
 
 export const codecForExchangeConfig =
   (): Codec<TalerExchangeApi.ExchangeVersionResponse> =>
@@ -3177,15 +3168,15 @@ export namespace TalerMerchantApi {
     // use “all”) to see all orders regardless of wire transfer
     // status.
     wired?: boolean;
-    // At most return the given number of results. Negative 
-    // for descending by row ID, positive for ascending by 
+    // At most return the given number of results. Negative
+    // for descending by row ID, positive for ascending by
     // row ID. Default is 20. Since protocol v12.
     limit?: number;
     // Non-negative date in seconds after the UNIX Epoc, see delta
     // for its interpretation. If not specified, we default to the
     // oldest or most recent entry, depending on delta.
     date?: AbsoluteTime;
-    // Starting product_serial_id for an iteration. 
+    // Starting product_serial_id for an iteration.
     // Since protocol v12.
     offset?: string;
     // Timeout in milliseconds to wait for additional orders if the
@@ -4610,7 +4601,6 @@ export namespace TalerMerchantApi {
   }
 
   export interface WalletTemplateDetails {
-
     // Hard-coded information about the contrac terms
     // for this template.
     template_contract: TemplateContractDetails;
@@ -4931,6 +4921,13 @@ export namespace TalerMerchantApi {
     // Useful when the merchant needs to store extra information on a
     // contract without storing it separately in their database.
     extra?: any;
+
+    // Minimum age the buyer must have (in years). Default is 0.
+    // This value is at least as large as the maximum over all
+    // mimimum age requirements of the products in this contract.
+    // It might also be set independent of any product, due to
+    // legal requirements.
+    minimum_age?: Integer;
   }
 
   export interface Product {
diff --git a/packages/taler-util/src/http-client/utils.ts 
b/packages/taler-util/src/http-client/utils.ts
index dbfe64796..d6623cf00 100644
--- a/packages/taler-util/src/http-client/utils.ts
+++ b/packages/taler-util/src/http-client/utils.ts
@@ -59,7 +59,10 @@ export function addPaginationParams(url: URL, pagination?: 
PaginationParams) {
   url.searchParams.set("delta", String(order * limit));
 }
 
-export function addMerchantPaginationParams(url: URL, pagination?: 
PaginationParams) {
+export function addMerchantPaginationParams(
+  url: URL,
+  pagination?: PaginationParams,
+) {
   if (!pagination) return;
   if (pagination.offset) {
     url.searchParams.set("offset", pagination.offset);
@@ -73,7 +76,6 @@ export function addMerchantPaginationParams(url: URL, 
pagination?: PaginationPar
   url.searchParams.set("limit", String(order * limit));
 }
 
-
 export function addLongPollingParam(url: URL, param?: LongPollParams) {
   if (!param) return;
   if (param.timeoutMs) {
diff --git a/packages/taler-util/src/merchant-api-types.ts 
b/packages/taler-util/src/merchant-api-types.ts
index 6d5570b61..639ae8d13 100644
--- a/packages/taler-util/src/merchant-api-types.ts
+++ b/packages/taler-util/src/merchant-api-types.ts
@@ -114,7 +114,6 @@ export const codecForMerchantCheckPaymentPaidResponse =
       .property("refund_details", codecForAny())
       .build("CheckPaymentPaidResponse");
 
-
 export type MerchantOrderPrivateStatusResponse =
   | MerchantCheckPaymentPaidResponse
   | CheckPaymentUnpaidResponse
diff --git a/packages/taler-util/src/observability.ts 
b/packages/taler-util/src/observability.ts
index 70391cbcd..0171142c8 100644
--- a/packages/taler-util/src/observability.ts
+++ b/packages/taler-util/src/observability.ts
@@ -92,7 +92,7 @@ export class ObservableHttpClientLibrary implements 
HttpRequestLibrary {
       });
       throw e;
     } finally {
-      this.cancelatorById.delete(id)
+      this.cancelatorById.delete(id);
     }
   }
 }
diff --git a/packages/taler-util/src/taler-types.ts 
b/packages/taler-util/src/taler-types.ts
index bad9186dc..419aeb159 100644
--- a/packages/taler-util/src/taler-types.ts
+++ b/packages/taler-util/src/taler-types.ts
@@ -564,6 +564,13 @@ export interface MerchantContractTerms {
   // contract without storing it separately in their database.
   // Must really be an Object (not a string, integer, float or array).
   extra?: any;
+
+  // Minimum age the buyer must have (in years). Default is 0.
+  // This value is at least as large as the maximum over all
+  // mimimum age requirements of the products in this contract.
+  // It might also be set independent of any product, due to
+  // legal requirements.
+  minimum_age?: Integer;
 }
 
 /**
@@ -617,7 +624,6 @@ export interface MerchantAbortPayRefundDetails {
   exchange_http_status: number;
 }
 
-
 /**
  * Planchet detail sent to the merchant.
  */
@@ -1394,11 +1400,9 @@ export const codecForMerchantInfo = (): 
Codec<MerchantInfo> =>
     .property("jurisdiction", codecOptional(codecForLocation()))
     .build("MerchantInfo");
 
-
 export const codecForInternationalizedString =
   (): Codec<InternationalizedString> => codecForMap(codecForString());
 
-
 export const codecForMerchantContractTerms = (): Codec<MerchantContractTerms> 
=>
   buildCodecForObject<MerchantContractTerms>()
     .property("order_id", codecForString())
@@ -1615,7 +1619,6 @@ export const codecForMerchantOrderStatusPaid =
       .property("refunded", codecForBoolean())
       .build("MerchantOrderStatusPaid");
 
-
 export const codecForMerchantOrderStatusUnpaid =
   (): Codec<MerchantOrderStatusUnpaid> =>
     buildCodecForObject<MerchantOrderStatusUnpaid>()
@@ -1653,7 +1656,6 @@ export interface AbortResponse {
   refunds: MerchantAbortPayRefundStatus[];
 }
 
-
 export type MerchantAbortPayRefundStatus =
   | MerchantAbortPayRefundSuccessStatus
   | MerchantAbortPayRefundFailureStatus;
diff --git a/packages/taler-util/src/wallet-types.ts 
b/packages/taler-util/src/wallet-types.ts
index 61b9e1b59..92a902eca 100644
--- a/packages/taler-util/src/wallet-types.ts
+++ b/packages/taler-util/src/wallet-types.ts
@@ -628,11 +628,11 @@ export interface CoinDumpJson {
     withdrawal_reserve_pub: string | undefined;
     coin_status: CoinStatus;
     spend_allocation:
-    | {
-      id: string;
-      amount: AmountString;
-    }
-    | undefined;
+      | {
+          id: string;
+          amount: AmountString;
+        }
+      | undefined;
     /**
      * Information about the age restriction
      */
@@ -831,7 +831,7 @@ export const codecForPreparePayResultPaymentPossible =
       )
       .build("PreparePayResultPaymentPossible");
 
-export interface BalanceDetails { }
+export interface BalanceDetails {}
 
 /**
  * Detailed reason for why the wallet's balance is insufficient.
@@ -2954,6 +2954,7 @@ export interface WalletContractData {
   wireMethod: string;
   wireInfoHash: string;
   maxDepositFee: AmountString;
+  minimumAge?: number;
 }
 
 export interface TestingWaitTransactionRequest {
diff --git a/packages/taler-wallet-core/src/pay-merchant.ts 
b/packages/taler-wallet-core/src/pay-merchant.ts
index e473566b0..562cee4a6 100644
--- a/packages/taler-wallet-core/src/pay-merchant.ts
+++ b/packages/taler-wallet-core/src/pay-merchant.ts
@@ -590,6 +590,7 @@ export function extractContractData(
     maxDepositFee: Amounts.stringify(parsedContractTerms.max_fee),
     merchant: parsedContractTerms.merchant,
     summaryI18n: parsedContractTerms.summary_i18n,
+    minimumAge: parsedContractTerms.minimum_age,
   };
 }
 
@@ -1147,7 +1148,7 @@ async function handleInsufficientFunds(
     depositFeeLimit: Amounts.parseOrThrow(contractData.maxDepositFee),
     wireFeeAmortization: 1, // FIXME #8653
     prevPayCoins,
-    requiredMinimumAge: undefined, // FIXME #8653
+    requiredMinimumAge: contractData.minimumAge,
   });
 
   if (res.type !== "success") {
@@ -1276,7 +1277,7 @@ async function checkPaymentByProposalId(
       depositFeeLimit: Amounts.parseOrThrow(contractData.maxDepositFee),
       wireFeeAmortization: 1, // FIXME #8653
       prevPayCoins: [],
-      requiredMinimumAge: undefined, // FIXME #8653
+      requiredMinimumAge: contractData.minimumAge,
       restrictWireMethod: contractData.wireMethod,
     });
 
@@ -1630,7 +1631,7 @@ export async function generateDepositPermissions(
       timestamp: contractData.timestamp,
       wireInfoHash,
       ageCommitmentProof: coin.ageCommitmentProof,
-      requiredMinimumAge: undefined,// FIXME #8653
+      requiredMinimumAge: contractData.minimumAge,
     });
     depositPermissions.push(dp);
   }
@@ -1815,7 +1816,7 @@ export async function confirmPay(
     depositFeeLimit: Amounts.parseOrThrow(contractData.maxDepositFee),
     wireFeeAmortization: 1, // FIXME #8653
     prevPayCoins: [],
-    requiredMinimumAge: undefined, // FIXME #8653
+    requiredMinimumAge: contractData.minimumAge,
     forcedSelection: forcedCoinSel,
   });
 

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