From 133fcd156d3d11cbdc4ffad1cfca3b814ace48b0 Mon Sep 17 00:00:00 2001
From: Arnaud Bailly <arnaud@pankzsoft.com>
Date: Tue, 2 Dec 2025 12:05:24 +0100
Subject: update bank with model and flow of talk

---
 pbt/ts/src/bank.test.ts | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

(limited to 'pbt/ts/src/bank.test.ts')

diff --git a/pbt/ts/src/bank.test.ts b/pbt/ts/src/bank.test.ts
index 2944e4c..d750d05 100644
--- a/pbt/ts/src/bank.test.ts
+++ b/pbt/ts/src/bank.test.ts
@@ -1,5 +1,10 @@
 import {toNullable} from 'fp-ts/lib/Option';
-import {Account, Operation, SimpleBank} from './bank';
+import {
+  Account,
+  Operation,
+  SimpleBank,
+  bankImplementationMatchesModel,
+} from './bank';
 import {
   Gen,
   Property,
@@ -111,6 +116,32 @@ const correctBalance =
   };
 
 describe('Bank Simulator', () => {
+  test('level-db bank conforms to model', async () => {
+    const prop = forall(genAccounts, async accounts => {
+      return property(genOperations(accounts), async ops => {
+        const levelBank = await withTempFile(
+          filename => new LevelBank(filename),
+        ).then(bank => bank.populateWith(accounts));
+
+        return bankImplementationMatchesModel(accounts)(levelBank)(ops);
+      });
+    });
+
+    const result = await Property.run(prop);
+
+    console.log(result);
+    console.log(JSON.stringify(result.counterexample));
+
+    expect(result.result).toBe('OK');
+  });
+
+  //
+  //
+  //
+  //
+  //
+  //
+
   test('can retrieve balance given account exists', async () => {
     const prop = forall(genAccounts, async accounts => {
       const api = new SimpleBank(accounts);
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