#7741 share payment

add shared flag in db
new state purchase dialogShared
new error WALLET_ORDER_ALREADY_PAID
removing nonce from normal operation
new operation: sharePayment which returns payUri with nonce

4 files changed, 61 insertions, 9 deletions

diff --git a/packages/taler-util/src/backup-types.ts b/packages/taler-util/src/backup-types.ts
index 2bfe6b886..2920838dd 100644
--- a/packages/taler-util/src/backup-types.ts
+++ b/packages/taler-util/src/backup-types.ts
@@ -63,7 +63,11 @@
  * Imports.
  */
 import { DenominationPubKey, UnblindedSignature } from "./taler-types.js";
-import { TalerProtocolDuration, TalerProtocolTimestamp, TalerPreciseTimestamp } from "./time.js";
+import {
+  TalerProtocolDuration,
+  TalerProtocolTimestamp,
+  TalerPreciseTimestamp,
+} from "./time.js";
 
 export const BACKUP_TAG = "gnu-taler-wallet-backup-content" as const;
 /**
@@ -970,6 +974,8 @@ export interface BackupPurchase {
    * Continue querying the refund status until this deadline has expired.
    */
   auto_refund_deadline: TalerProtocolTimestamp | undefined;
+
+  shared: boolean;
 }
 
 /**
@@ -1269,6 +1275,11 @@ export enum BackupProposalStatus {
    */
   Proposed = "proposed",
   /**
+   * Proposed, other wallet may also have
+   * the purchase
+   */
+  Shared = "shared",
+  /**
    * The user has rejected the proposal.
    */
   Refused = "refused",
diff --git a/packages/taler-util/src/errors.ts b/packages/taler-util/src/errors.ts
index 8476b63fc..06e338a25 100644
--- a/packages/taler-util/src/errors.ts
+++ b/packages/taler-util/src/errors.ts
@@ -52,6 +52,9 @@ export interface DetailsMap {
     orderId: string;
     claimUrl: string;
   };
+  [TalerErrorCode.WALLET_ORDER_ALREADY_PAID]: {
+    orderId: string;
+  };
   [TalerErrorCode.WALLET_CONTRACT_TERMS_MALFORMED]: empty;
   [TalerErrorCode.WALLET_CONTRACT_TERMS_SIGNATURE_INVALID]: {
     merchantPub: string;
@@ -98,7 +101,7 @@ export interface DetailsMap {
   };
   [TalerErrorCode.WALLET_EXCHANGE_COIN_SIGNATURE_INVALID]: empty;
   [TalerErrorCode.WALLET_WITHDRAWAL_GROUP_INCOMPLETE]: {
-    numErrors: number,
+    numErrors: number;
     errorsPerCoin: Record<number, TalerErrorDetail>;
   };
   [TalerErrorCode.WALLET_CORE_NOT_AVAILABLE]: empty;
@@ -133,7 +136,7 @@ export interface DetailsMap {
   [TalerErrorCode.WALLET_EXCHANGE_BASE_URL_MISMATCH]: {
     urlWallet: string;
     urlExchange: string;
-  }
+  };
 }
 
 type ErrBody<Y> = Y extends keyof DetailsMap ? DetailsMap[Y] : empty;
diff --git a/packages/taler-util/src/taler-error-codes.ts b/packages/taler-util/src/taler-error-codes.ts
index 019129c20..fa1f4a86a 100644
--- a/packages/taler-util/src/taler-error-codes.ts
+++ b/packages/taler-util/src/taler-error-codes.ts
@@ -777,6 +777,14 @@ export enum TalerErrorCode {
 
 
   /**
+   * The maximum age in the commitment is too large for the reserve
+   * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+   * (A value of 0 indicates that the error is generated client-side).
+   */
+  EXCHANGE_AGE_WITHDRAW_MAXIMUM_AGE_TOO_LARGE = 1165,
+
+
+  /**
    * The batch withdraw included a planchet that was already withdrawn. This is not allowed.
    * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
    * (A value of 0 indicates that the error is generated client-side).
@@ -1329,6 +1337,14 @@ export enum TalerErrorCode {
 
 
   /**
+   * Withdrawal from the reserve requires age restriction to be set.
+   * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+   * (A value of 0 indicates that the error is generated client-side).
+   */
+  EXCHANGE_RESERVES_AGE_RESTRICTION_REQUIRED = 1681,
+
+
+  /**
    * The exchange failed to talk to the process responsible for its private denomination keys or the helpers had no denominations (properly) configured.
    * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
    * (A value of 0 indicates that the error is generated client-side).
@@ -3569,6 +3585,14 @@ export enum TalerErrorCode {
 
 
   /**
+   * The order has already been paid by another wallet.
+   * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+   * (A value of 0 indicates that the error is generated client-side).
+   */
+  WALLET_ORDER_ALREADY_PAID = 7031,
+
+
+  /**
    * We encountered a timeout with our payment backend.
    * Returned with an HTTP status code of #MHD_HTTP_GATEWAY_TIMEOUT (504).
    * (A value of 0 indicates that the error is generated client-side).
diff --git a/packages/taler-util/src/wallet-types.ts b/packages/taler-util/src/wallet-types.ts
index 66b5e7262..7926cdd4f 100644
--- a/packages/taler-util/src/wallet-types.ts
+++ b/packages/taler-util/src/wallet-types.ts
@@ -684,7 +684,6 @@ export const codecForPreparePayResultPaymentPossible =
       .property("proposalId", codecForString())
       .property("contractTermsHash", codecForString())
       .property("talerUri", codecForString())
-      .property("noncePriv", codecForString())
       .property(
         "status",
         codecForConstString(PreparePayResultType.PaymentPossible),
@@ -757,7 +756,6 @@ export const codecForPreparePayResultInsufficientBalance =
       .property("talerUri", codecForString())
       .property("proposalId", codecForString())
       .property("transactionId", codecForTransactionIdStr())
-      .property("noncePriv", codecForString())
       .property(
         "status",
         codecForConstString(PreparePayResultType.InsufficientBalance),
@@ -775,7 +773,7 @@ export const codecForPreparePayResultAlreadyConfirmed =
         "status",
         codecForConstString(PreparePayResultType.AlreadyConfirmed),
       )
-      .property("amountEffective", codecForAmountString())
+      .property("amountEffective", codecOptional(codecForAmountString()))
       .property("amountRaw", codecForAmountString())
       .property("paid", codecForBoolean())
       .property("talerUri", codecOptional(codecForString()))
@@ -824,7 +822,6 @@ export interface PreparePayResultPaymentPossible {
   contractTermsHash: string;
   amountRaw: string;
   amountEffective: string;
-  noncePriv: string;
   talerUri: string;
 }
 
@@ -834,7 +831,6 @@ export interface PreparePayResultInsufficientBalance {
   proposalId: string;
   contractTerms: MerchantContractTerms;
   amountRaw: string;
-  noncePriv: string;
   talerUri: string;
   balanceDetails: PayMerchantInsufficientBalanceDetails;
 }
@@ -845,7 +841,7 @@ export interface PreparePayResultAlreadyConfirmed {
   contractTerms: MerchantContractTerms;
   paid: boolean;
   amountRaw: string;
-  amountEffective: string;
+  amountEffective: string | undefined;
   contractTermsHash: string;
   proposalId: string;
   talerUri?: string;
@@ -1724,6 +1720,24 @@ export const codecForPreparePayRequest = (): Codec<PreparePayRequest> =>
     .property("talerPayUri", codecForString())
     .build("PreparePay");
 
+export interface SharePaymentRequest {
+  merchantBaseUrl: string;
+  orderId: string;
+}
+export const codecForSharePaymentRequest = (): Codec<SharePaymentRequest> =>
+  buildCodecForObject<SharePaymentRequest>()
+    .property("merchantBaseUrl", codecForString())
+    .property("orderId", codecForString())
+    .build("SharePaymentRequest");
+
+export interface SharePaymentResult {
+  privatePayUri: string;
+}
+export const codecForSharePaymentResult = (): Codec<SharePaymentResult> =>
+  buildCodecForObject<SharePaymentResult>()
+    .property("privatePayUri", codecForString())
+    .build("SharePaymentResult");
+
 export interface PreparePayTemplateRequest {
   talerPayTemplateUri: string;
   templateParams: Record<string, string>;