wallet-core: emit balance-change notifications, do less implicit background work

packages/taler-util/src/wallet-types.ts

@@ -2499,6 +2499,8 @@ export interface InitiatePeerPullCreditResponse {
   /**
    * Taler URI for the other party to make the payment
    * that was requested.
+   *
+   * @deprecated since it's not necessarily valid yet until the tx is in the right state
    */
   talerUri: string;
 

packages/taler-wallet-core/src/operations/deposits.ts

@@ -26,7 +26,6 @@ import {
   codecForDepositSuccess,
   codecForTackTransactionAccepted,
   codecForTackTransactionWired,
-  CoinDepositPermission,
   CoinRefreshRequest,
   CreateDepositGroupRequest,
   CreateDepositGroupResponse,

packages/taler-wallet-core/src/operations/pay-merchant.ts

@@ -907,6 +907,8 @@ async function handleInsufficientFunds(
         refreshReason: RefreshReason.PayMerchant,
       });
     });
+
+  ws.notify({ type: NotificationType.BalanceChange });
 }
 
 async function unblockBackup(
@@ -1446,6 +1448,7 @@ export async function confirmPay(
     });
 
   notifyTransition(ws, transactionId, transitionInfo);
+  ws.notify({ type: NotificationType.BalanceChange });
 
   return runPayForConfirmPay(ws, proposalId);
 }

packages/taler-wallet-core/src/operations/pay-peer-pull-credit.ts

@@ -26,6 +26,7 @@ import {
   InitiatePeerPullCreditRequest,
   InitiatePeerPullCreditResponse,
   Logger,
+  NotificationType,
   TalerErrorCode,
   TalerPreciseTimestamp,
   TalerUriAction,
@@ -785,24 +786,14 @@ export async function initiatePeerPullPayment(
       });
     });
 
-  // FIXME: Should we somehow signal to the client
-  // whether purse creation has failed, or does the client/
-  // check this asynchronously from the transaction status?
-
-  const taskId = constructTaskIdentifier({
-    tag: PendingTaskType.PeerPullCredit,
-    pursePub: pursePair.pub,
-  });
-
-  await runTaskWithErrorReporting(ws, taskId, async () => {
-    return processPeerPullCredit(ws, pursePair.pub);
-  });
-
   const transactionId = constructTransactionIdentifier({
     tag: TransactionType.PeerPullCredit,
     pursePub: pursePair.pub,
   });
 
+  // The pending-incoming balance has changed.
+  ws.notify({ type: NotificationType.BalanceChange });
+
   return {
     talerUri: stringifyTalerUri({
       type: TalerUriAction.PayPull,

packages/taler-wallet-core/src/operations/pay-peer-pull-debit.ts

@@ -22,6 +22,7 @@ import {
   ExchangePurseDeposits,
   HttpStatusCode,
   Logger,
+  NotificationType,
   PeerContractTerms,
   PreparePeerPullDebitRequest,
   PreparePeerPullDebitResponse,
@@ -388,7 +389,6 @@ export async function confirmPeerPullDebit(
   ws: InternalWalletState,
   req: ConfirmPeerPullDebitRequest,
 ): Promise<AcceptPeerPullPaymentResponse> {
-
   let peerPullPaymentIncomingId: string;
 
   if (req.transactionId) {
@@ -400,7 +400,9 @@ export async function confirmPeerPullDebit(
   } else if (req.peerPullPaymentIncomingId) {
     peerPullPaymentIncomingId = req.peerPullPaymentIncomingId;
   } else {
-    throw Error("invalid request, transactionId or peerPullPaymentIncomingId required");
+    throw Error(
+      "invalid request, transactionId or peerPullPaymentIncomingId required",
+    );
   }
 
   const peerPullInc = await ws.db
@@ -479,13 +481,7 @@ export async function confirmPeerPullDebit(
       return pi;
     });
 
-  await runTaskWithErrorReporting(
-    ws,
-    TaskIdentifiers.forPeerPullPaymentDebit(ppi),
-    async () => {
-      return processPeerPullDebit(ws, ppi.peerPullPaymentIncomingId);
-    },
-  );
+  ws.notify({ type: NotificationType.BalanceChange });
 
   const transactionId = constructTransactionIdentifier({
     tag: TransactionType.PeerPullDebit,

packages/taler-wallet-core/src/operations/pay-peer-push-credit.ts

@@ -22,6 +22,7 @@ import {
   ExchangePurseMergeRequest,
   HttpStatusCode,
   Logger,
+  NotificationType,
   PeerContractTerms,
   PreparePeerPushCreditRequest,
   PreparePeerPushCreditResponse,
@@ -60,7 +61,12 @@ import {
 } from "../index.js";
 import { assertUnreachable } from "../util/assertUnreachable.js";
 import { checkDbInvariant } from "../util/invariants.js";
-import { OperationAttemptResult, OperationAttemptResultType, constructTaskIdentifier, runLongpollAsync } from "./common.js";
+import {
+  OperationAttemptResult,
+  OperationAttemptResultType,
+  constructTaskIdentifier,
+  runLongpollAsync,
+} from "./common.js";
 import { updateExchangeFromUrl } from "./exchanges.js";
 import {
   codecForExchangePurseStatus,
@@ -206,6 +212,8 @@ export async function preparePeerPushCredit(
       });
     });
 
+  ws.notify({ type: NotificationType.BalanceChange });
+
   return {
     amount: purseStatus.balance,
     amountEffective: wi.withdrawalAmountEffective,
@@ -631,15 +639,15 @@ export async function confirmPeerPushCredit(
     }
     peerPushPaymentIncomingId = parsedTx.peerPushPaymentIncomingId;
   } else {
-    throw Error("no transaction ID (or deprecated peerPushPaymentIncomingId) provided");
+    throw Error(
+      "no transaction ID (or deprecated peerPushPaymentIncomingId) provided",
+    );
   }
 
   await ws.db
     .mktx((x) => [x.contractTerms, x.peerPushPaymentIncoming])
     .runReadWrite(async (tx) => {
-      peerInc = await tx.peerPushPaymentIncoming.get(
-        peerPushPaymentIncomingId,
-      );
+      peerInc = await tx.peerPushPaymentIncoming.get(peerPushPaymentIncomingId);
       if (!peerInc) {
         return;
       }

packages/taler-wallet-core/src/operations/pay-peer-push-debit.ts

@@ -24,6 +24,7 @@ import {
   InitiatePeerPushDebitRequest,
   InitiatePeerPushDebitResponse,
   Logger,
+  NotificationType,
   RefreshReason,
   TalerError,
   TalerErrorCode,
@@ -678,6 +679,7 @@ export async function initiatePeerPushDebit(
       };
     });
   notifyTransition(ws, transactionId, transitionInfo);
+  ws.notify({ type: NotificationType.BalanceChange });
 
   return {
     contractPriv: contractKeyPair.priv,

packages/taler-wallet-core/src/operations/refresh.ts

@@ -278,6 +278,7 @@ async function refreshCreateSession(
         }
         await tx.refreshGroups.put(rg);
       });
+    ws.notify({ type: NotificationType.BalanceChange });
     return;
   }
 
@@ -458,6 +459,7 @@ async function refreshMelt(
         }
         await tx.refreshGroups.put(rg);
       });
+    ws.notify({ type: NotificationType.BalanceChange });
     return;
   }
 

packages/taler-wallet-core/src/operations/tip.ts

@@ -30,6 +30,7 @@ import {
   getRandomBytes,
   j2s,
   Logger,
+  NotificationType,
   parseTipUri,
   PrepareTipResult,
   TalerErrorCode,
@@ -57,7 +58,13 @@ import {
   readSuccessResponseJsonOrThrow,
 } from "@gnu-taler/taler-util/http";
 import { checkDbInvariant, checkLogicInvariant } from "../util/invariants.js";
-import { constructTaskIdentifier, makeCoinAvailable, makeCoinsVisible, OperationAttemptResult, OperationAttemptResultType } from "./common.js";
+import {
+  constructTaskIdentifier,
+  makeCoinAvailable,
+  makeCoinsVisible,
+  OperationAttemptResult,
+  OperationAttemptResultType,
+} from "./common.js";
 import { updateExchangeFromUrl } from "./exchanges.js";
 import {
   getCandidateWithdrawalDenoms,
@@ -421,6 +428,7 @@ export async function processTip(
       return { oldTxState, newTxState };
     });
   notifyTransition(ws, transactionId, transitionInfo);
+  ws.notify({ type: NotificationType.BalanceChange });
 
   return {
     type: OperationAttemptResultType.Finished,

packages/taler-wallet-core/src/operations/withdraw.ts

@@ -62,7 +62,6 @@ import {
   ExchangeWithdrawResponse,
   WithdrawUriInfoResponse,
   ExchangeBatchWithdrawRequest,
-  WalletNotification,
   TransactionState,
   TransactionMajorState,
   TransactionMinorState,
@@ -76,7 +75,6 @@ import {
   DenominationRecord,
   DenominationVerificationStatus,
   KycPendingInfo,
-  KycUserType,
   PlanchetRecord,
   PlanchetStatus,
   WalletStoresV1,
@@ -108,11 +106,7 @@ import {
   readSuccessResponseJsonOrThrow,
   throwUnexpectedRequestError,
 } from "@gnu-taler/taler-util/http";
-import {
-  checkDbInvariant,
-  checkLogicInvariant,
-  InvariantViolatedError,
-} from "../util/invariants.js";
+import { checkDbInvariant, checkLogicInvariant } from "../util/invariants.js";
 import {
   DbAccess,
   GetReadOnlyAccess,
@@ -1614,6 +1608,7 @@ async function processWithdrawalGroupPendingReady(
   }
 
   notifyTransition(ws, transactionId, res.transitionInfo);
+  ws.notify({ type: NotificationType.BalanceChange });
 
   if (numPlanchetErrors > 0) {
     return {