From 5bc6483fc4a7ff769c418cdee174669a36e7aa54 Mon Sep 17 00:00:00 2001
From: thunderbiscuit <thunderbiscuit@protonmail.com>
Date: Wed, 26 Jun 2024 16:02:05 -0400
Subject: [PATCH] test: add offline tests for wallet new_or_load method

---
 .../bitcoindevkit/OfflinePersistenceTest.kt   |  44 ++++++++++++++++++
 ...re_existing_wallet_persistence_test.sqlite | Bin 0 -> 57344 bytes
 .../OfflinePersistenceTests.swift             |  41 ++++++++++++++++
 ...re_existing_wallet_persistence_test.sqlite | Bin 0 -> 57344 bytes
 4 files changed, 85 insertions(+)
 create mode 100644 bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflinePersistenceTest.kt
 create mode 100644 bdk-jvm/lib/src/test/resources/pre_existing_wallet_persistence_test.sqlite
 create mode 100644 bdk-swift/Tests/BitcoinDevKitTests/OfflinePersistenceTests.swift
 create mode 100644 bdk-swift/pre_existing_wallet_persistence_test.sqlite

diff --git a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflinePersistenceTest.kt b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflinePersistenceTest.kt
new file mode 100644
index 00000000..dd156beb
--- /dev/null
+++ b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflinePersistenceTest.kt
@@ -0,0 +1,44 @@
+package org.bitcoindevkit
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class OfflinePersistenceTest {
+    private val persistenceFilePath = run {
+        val currentDirectory = System.getProperty("user.dir")
+        val dbFileName = "pre_existing_wallet_persistence_test.sqlite"
+        "$currentDirectory/src/test/resources/$dbFileName"
+    }
+    private val descriptor: Descriptor = Descriptor(
+        "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+        Network.SIGNET
+    )
+    private val changeDescriptor: Descriptor = Descriptor(
+        "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)",
+        Network.SIGNET
+    )
+
+    @Test
+    fun testPersistence() {
+        val sqliteStore: SqliteStore = SqliteStore(persistenceFilePath)
+        val initialChangeSet: ChangeSet? = sqliteStore.read()
+        assert(initialChangeSet != null) { "ChangeSet should not be null after loading a valid database" }
+        val wallet: Wallet = Wallet.newOrLoad(
+            descriptor,
+            changeDescriptor,
+            initialChangeSet,
+            Network.SIGNET,
+        )
+        val addressInfo: AddressInfo = wallet.revealNextAddress(KeychainKind.EXTERNAL)
+        println("Address: $addressInfo")
+
+        assertEquals(
+            expected = 7u,
+            actual = addressInfo.index,
+        )
+        assertEquals(
+            expected = "tb1qan3lldunh37ma6c0afeywgjyjgnyc8uz975zl2",
+            actual = addressInfo.address.toString(),
+        )
+    }
+}
diff --git a/bdk-jvm/lib/src/test/resources/pre_existing_wallet_persistence_test.sqlite b/bdk-jvm/lib/src/test/resources/pre_existing_wallet_persistence_test.sqlite
new file mode 100644
index 0000000000000000000000000000000000000000..f4eef74526dce7dd2e3499e08149ea7dbaae1442
GIT binary patch
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literal 0
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diff --git a/bdk-swift/Tests/BitcoinDevKitTests/OfflinePersistenceTests.swift b/bdk-swift/Tests/BitcoinDevKitTests/OfflinePersistenceTests.swift
new file mode 100644
index 00000000..52022629
--- /dev/null
+++ b/bdk-swift/Tests/BitcoinDevKitTests/OfflinePersistenceTests.swift
@@ -0,0 +1,41 @@
+import XCTest
+@testable import BitcoinDevKit
+
+private let descriptor = try! Descriptor(
+    descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
+    network: Network.signet
+)
+private let changeDescriptor = try! Descriptor(
+    descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", 
+    network: Network.signet
+)
+
+final class OfflinePersistenceTests: XCTestCase {
+    var dbFilePath: URL!
+
+    override func setUpWithError() throws {
+        super.setUp()
+        let currentDirectoryURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
+        let dbFileName = "pre_existing_wallet_persistence_test.sqlite"
+        dbFilePath = currentDirectoryURL.appendingPathComponent(dbFileName)
+    }
+
+    func testPersistence() throws {
+        print("DB file path: \(dbFilePath.path)")
+        let sqliteStore = try! SqliteStore(path: dbFilePath.path)
+        let initialChangeSet = try! sqliteStore.read()
+        XCTAssertTrue(initialChangeSet != nil, "ChangeSet should not be nil after loading a valid database")
+        
+        let wallet = try Wallet.newOrLoad(
+            descriptor: descriptor,
+            changeDescriptor: changeDescriptor,
+            changeSet: initialChangeSet,
+            network: .signet
+        )
+        let nextAddress: AddressInfo = wallet.revealNextAddress(keychain: KeychainKind.external)
+        print("Address: \(nextAddress)")
+
+        XCTAssertTrue(nextAddress.address.description == "tb1qan3lldunh37ma6c0afeywgjyjgnyc8uz975zl2")
+        XCTAssertTrue(nextAddress.index == 7)
+    }
+}
diff --git a/bdk-swift/pre_existing_wallet_persistence_test.sqlite b/bdk-swift/pre_existing_wallet_persistence_test.sqlite
new file mode 100644
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