From fe8749c3f81547d080ea23d580497750d52fed91 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Thu, 25 May 2023 19:26:40 +0200
Subject: wallet-core: implement cancelAbortingTransaction for deposit groups

---
 .../taler-wallet-core/src/operations/deposits.ts   | 80 +++++++++++++++-------
 1 file changed, 54 insertions(+), 26 deletions(-)

(limited to 'packages/taler-wallet-core/src/operations/deposits.ts')

diff --git a/packages/taler-wallet-core/src/operations/deposits.ts b/packages/taler-wallet-core/src/operations/deposits.ts
index 6c41d76f6..dc743e17f 100644
--- a/packages/taler-wallet-core/src/operations/deposits.ts
+++ b/packages/taler-wallet-core/src/operations/deposits.ts
@@ -167,6 +167,14 @@ export function computeDepositTransactionStatus(
       return {
         major: TransactionMajorState.Aborted,
       }
+    case DepositOperationStatus.Failed:
+      return {
+        major: TransactionMajorState.Failed,
+      }
+    case DepositOperationStatus.SuspendedAborting:
+      return {
+        major: TransactionMajorState.SuspendedAborting,
+      }
     default:
       throw Error(`unexpected deposit group state (${dg.operationStatus})`);
   }
@@ -184,7 +192,7 @@ export async function suspendDepositGroup(
     tag: PendingTaskType.Deposit,
     depositGroupId,
   });
-  let res = await ws.db
+  const transitionInfo = await ws.db
     .mktx((x) => [x.depositGroups])
     .runReadWrite(async (tx) => {
       const dg = await tx.depositGroups.get(depositGroupId);
@@ -212,14 +220,7 @@ export async function suspendDepositGroup(
       return undefined;
     });
   stopLongpolling(ws, retryTag);
-  if (res) {
-    ws.notify({
-      type: NotificationType.TransactionStateTransition,
-      transactionId,
-      oldTxState: res.oldTxState,
-      newTxState: res.newTxState,
-    });
-  }
+  notifyTransition(ws, transactionId, transitionInfo);
 }
 
 export async function resumeDepositGroup(
@@ -230,7 +231,7 @@ export async function resumeDepositGroup(
     tag: TransactionType.Deposit,
     depositGroupId,
   });
-  let res = await ws.db
+  const transitionInfo = await ws.db
     .mktx((x) => [x.depositGroups])
     .runReadWrite(async (tx) => {
       const dg = await tx.depositGroups.get(depositGroupId);
@@ -258,14 +259,7 @@ export async function resumeDepositGroup(
       return undefined;
     });
   ws.workAvailable.trigger();
-  if (res) {
-    ws.notify({
-      type: NotificationType.TransactionStateTransition,
-      transactionId,
-      oldTxState: res.oldTxState,
-      newTxState: res.newTxState,
-    });
-  }
+  notifyTransition(ws, transactionId, transitionInfo);
 }
 
 export async function abortDepositGroup(
@@ -280,7 +274,7 @@ export async function abortDepositGroup(
     tag: PendingTaskType.Deposit,
     depositGroupId,
   });
-  let res = await ws.db
+  const transitionInfo = await ws.db
     .mktx((x) => [x.depositGroups])
     .runReadWrite(async (tx) => {
       const dg = await tx.depositGroups.get(depositGroupId);
@@ -311,14 +305,48 @@ export async function abortDepositGroup(
   stopLongpolling(ws, retryTag);
   // Need to process the operation again.
   ws.workAvailable.trigger();
-  if (res) {
-    ws.notify({
-      type: NotificationType.TransactionStateTransition,
-      transactionId,
-      oldTxState: res.oldTxState,
-      newTxState: res.newTxState,
+  notifyTransition(ws, transactionId, transitionInfo);
+}
+
+export async function cancelAbortingDepositGroup(
+  ws: InternalWalletState,
+  depositGroupId: string,
+): Promise<void> {
+  const transactionId = constructTransactionIdentifier({
+    tag: TransactionType.Deposit,
+    depositGroupId,
+  });
+  const retryTag = constructTaskIdentifier({
+    tag: PendingTaskType.Deposit,
+    depositGroupId,
+  });
+  const transitionInfo = await ws.db
+    .mktx((x) => [x.depositGroups])
+    .runReadWrite(async (tx) => {
+      const dg = await tx.depositGroups.get(depositGroupId);
+      if (!dg) {
+        logger.warn(
+          `can't cancel aborting deposit group, depositGroupId=${depositGroupId} not found`,
+        );
+        return undefined;
+      }
+      const oldState = computeDepositTransactionStatus(dg);
+      switch (dg.operationStatus) {
+        case DepositOperationStatus.SuspendedAborting:
+        case DepositOperationStatus.Aborting: {
+          dg.operationStatus = DepositOperationStatus.Failed;
+          await tx.depositGroups.put(dg);
+          return {
+            oldTxState: oldState,
+            newTxState: computeDepositTransactionStatus(dg),
+          };
+        }
+      }
+      return undefined;
     });
-  }
+  // FIXME: Also cancel ongoing work (via cancellation token, once implemented)
+  stopLongpolling(ws, retryTag);
+  notifyTransition(ws, transactionId, transitionInfo);
 }
 
 export async function deleteDepositGroup(
-- 
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