From 1ad2f4cbe9d231f7f2324b37ae0e0cc97fbb1216 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Tue, 29 Aug 2023 20:35:49 +0200
Subject: wallet-core: do p2p coin selection based on coin availability records

---
 packages/taler-wallet-core/src/util/query.ts | 40 ++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'packages/taler-wallet-core/src/util/query.ts')

diff --git a/packages/taler-wallet-core/src/util/query.ts b/packages/taler-wallet-core/src/util/query.ts
index 527cbdf63..71f80f8aa 100644
--- a/packages/taler-wallet-core/src/util/query.ts
+++ b/packages/taler-wallet-core/src/util/query.ts
@@ -429,6 +429,46 @@ export type GetReadOnlyAccess<BoundStores> = {
     : unknown;
 };
 
+export type StoreNames<StoreMap> = StoreMap extends {
+  [P in keyof StoreMap]: StoreWithIndexes<infer SN1, infer SD1, infer IM1>;
+}
+  ? keyof StoreMap
+  : unknown;
+
+export type DbReadOnlyTransaction<
+  StoreMap,
+  Stores extends StoreNames<StoreMap> & string,
+> = StoreMap extends {
+  [P in Stores]: StoreWithIndexes<infer SN1, infer SD1, infer IM1>;
+}
+  ? {
+      [P in Stores]: StoreMap[P] extends StoreWithIndexes<
+        infer SN,
+        infer SD,
+        infer IM
+      >
+        ? StoreReadOnlyAccessor<GetRecordType<SD>, IM>
+        : unknown;
+    }
+  : unknown;
+
+export type DbReadWriteTransaction<
+  StoreMap,
+  Stores extends StoreNames<StoreMap> & string,
+> = StoreMap extends {
+  [P in Stores]: StoreWithIndexes<infer SN1, infer SD1, infer IM1>;
+}
+  ? {
+      [P in Stores]: StoreMap[P] extends StoreWithIndexes<
+        infer SN,
+        infer SD,
+        infer IM
+      >
+        ? StoreReadWriteAccessor<GetRecordType<SD>, IM>
+        : unknown;
+    }
+  : unknown;
+
 export type GetReadWriteAccess<BoundStores> = {
   [P in keyof BoundStores]: BoundStores[P] extends StoreWithIndexes<
     infer SN,
-- 
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