chore: build python wheels using manylinux_2_28_x86_64

This commit also introduces the sqlite store and removes the flat file
 store

.github/workflows/live-tests.yaml

@@ -49,7 +49,7 @@ jobs:
 
       - name: "Build Swift package"
         working-directory: bdk-swift
-        run: bash ./build-local-swift.sh
+        run: bash ./build-xcframework.sh
 
       - name: "Run live Swift tests"
         working-directory: bdk-swift

.github/workflows/publish-python.yaml

@@ -1,22 +1,17 @@
 name: Publish bdkpython to PyPI
 on: [workflow_dispatch]
 
-# We use manylinux2014 because older CentOS versions used by 2010 and 1 have a very old glibc version, which
-# makes it very hard to use GitHub's javascript actions (checkout, upload-artifact, etc).
-# They mount their own nodejs interpreter inside your container, but since that's not statically linked it
-# tries to load glibc and fails because it requires a more recent version.
-
 jobs:
-  build-manylinux2014-x86_64-wheels:
-    name: "Build Manylinux 2014 x86_64 wheel"
+  build-manylinux_2_28-x86_64-wheels:
+    name: "Build Manylinux 2.28 x86_64 wheel"
     runs-on: ubuntu-20.04
     defaults:
       run:
         working-directory: bdk-python
     container:
-      image: quay.io/pypa/manylinux2014_x86_64
+      image: quay.io/pypa/manylinux_2_28_x86_64
       env:
-        PLAT: manylinux2014_x86_64
+        PLAT: manylinux_2_28_x86_64
         PYBIN: "/opt/python/${{ matrix.python }}/bin"
     strategy:
       matrix:
@@ -43,11 +38,11 @@ jobs:
       - name: "Build wheel"
         # Specifying the plat-name argument is necessary to build a wheel with the correct name,
         # see issue #350 for more information
-        run: ${PYBIN}/python setup.py bdist_wheel --plat-name manylinux_2_17_x86_64 --verbose
+        run: ${PYBIN}/python setup.py bdist_wheel --plat-name manylinux_2_28_x86_64 --verbose
 
       - uses: actions/upload-artifact@v3
         with:
-          name: bdkpython-manylinux2014-x86_64-${{ matrix.python }}
+          name: bdkpython-manylinux_2_28_x86_64-${{ matrix.python }}
           path: /home/runner/work/bdk-ffi/bdk-ffi/bdk-python/dist/*.whl
 
   build-macos-arm64-wheels:
@@ -168,7 +163,7 @@ jobs:
     defaults:
       run:
         working-directory: bdk-python
-    needs: [build-manylinux2014-x86_64-wheels, build-macos-arm64-wheels, build-macos-x86_64-wheels, build-windows-wheels]
+    needs: [build-manylinux_2_28-x86_64-wheels, build-macos-arm64-wheels, build-macos-x86_64-wheels, build-windows-wheels]
     steps:
       - name: "Checkout"
         uses: actions/checkout@v3

.github/workflows/test-python.yaml

@@ -10,22 +10,17 @@ on:
       - "bdk-ffi/**"
       - "bdk-python/**"
 
-# We use manylinux2014 because older CentOS versions used by 2010 and 1 have a very old glibc version, which
-# makes it very hard to use GitHub's javascript actions (checkout, upload-artifact, etc).
-# They mount their own nodejs interpreter inside your container, but since that's not statically linked it
-# tries to load glibc and fails because it requires a more recent version.
-
 jobs:
-  build-manylinux2014-x86_64-wheels:
-    name: "Build and test Manylinux 2014 x86_64 wheels"
+  build-manylinux_2_28-x86_64-wheels:
+    name: "Build and test Manylinux 2.28 x86_64 wheels"
     runs-on: ubuntu-20.04
     defaults:
       run:
         working-directory: bdk-python
     container:
-      image: quay.io/pypa/manylinux2014_x86_64
+      image: quay.io/pypa/manylinux_2_28_x86_64
       env:
-        PLAT: manylinux2014_x86_64
+        PLAT: manylinux_2_28_x86_64
         PYBIN: "/opt/python/${{ matrix.python }}/bin"
     strategy:
       matrix:
@@ -52,7 +47,7 @@ jobs:
       - name: "Build wheel"
         # Specifying the plat-name argument is necessary to build a wheel with the correct name,
         # see issue #350 for more information
-        run: ${PYBIN}/python setup.py bdist_wheel --plat-name manylinux_2_17_x86_64 --verbose
+        run: ${PYBIN}/python setup.py bdist_wheel --plat-name manylinux_2_28_x86_64 --verbose
 
       - name: "Install wheel"
         run: ${PYBIN}/pip install ./dist/*.whl
@@ -63,7 +58,7 @@ jobs:
       - name: "Upload artifact test"
         uses: actions/upload-artifact@v3
         with:
-          name: bdkpython-manylinux2014-x86_64-${{ matrix.python }}
+          name: bdkpython-manylinux_2_28_x86_64-${{ matrix.python }}
           path: /home/runner/work/bdk-ffi/bdk-ffi/bdk-python/dist/*.whl
 
   build-macos-arm64-wheels:

.github/workflows/test-swift.yaml

@@ -20,8 +20,8 @@ jobs:
 
       - name: "Build Swift package"
         working-directory: bdk-swift
-        run: bash ./build-local-swift.sh
+        run: bash ./build-xcframework.sh
 
       - name: "Run Swift tests"
         working-directory: bdk-swift
-        run: swift test --skip LiveWalletTests --skip LiveTxBuilderTests
+        run: swift test --skip LiveElectrumClientTests --skip LiveMemoryWalletTests --skip LiveTransactionTests --skip LiveTxBuilderTests --skip LiveWalletTests

.gitignore

@@ -31,6 +31,8 @@ bdkFFI.h
 BitcoinDevKit.swift
 bdk.swift
 .build
+*.xcframework/
+Info.plist
 
 # Python related
 __pycache__

CHANGELOG.md

@@ -3,10 +3,27 @@ Changelog information can also be found in each release's git tag (which can be
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.0.0-alpha.7]
+## [v1.0.0-alpha.11]
+This release brings the latest alpha 11 release of the Rust bdk_wallet library, as well as the new Electrum client, the new memory wallet, and a whole lot of new types and APIs across the library. Also of note are the much simpler-to-use full_scan and sync workflows for syncing wallets.
+
+Added:
+  - `Amount` type [#533]
+  - `TxIn` type [#536]
+  - `Transaction.input()` method [#536]
+  - `Transaction.output()` method [#536]
+  - `Transaction.lock_time()` method [#536]
+  - `Electrum` client [#535]
+  - Memory wallet [#528]
+
+[#528]: https://github.com/bitcoindevkit/bdk-ffi/pull/528
+[#533]: https://github.com/bitcoindevkit/bdk-ffi/pull/533
+[#535]: https://github.com/bitcoindevkit/bdk-ffi/pull/535
+[#536]: https://github.com/bitcoindevkit/bdk-ffi/pull/536
+
+## [v1.0.0-alpha.7]
 This release brings back into the 1.0 API a number of APIs from the 0.31 release, and adds the new flat file persistence feature, as well as more fine-grain errors.
 
-## [1.0.0-alpha.2a]
+## [v1.0.0-alpha.2a]
 This release is the first alpha release of the 1.0 API for the bindings libraries. Here is what is now available:
 - Create and recover wallets using descriptors, including the four descriptor templates
 - Sync a wallet using a blocking Esplora client
@@ -14,7 +31,7 @@ This release is the first alpha release of the 1.0 API for the bindings librarie
 - Create and sign transactions using the transaction builder
 - Broadcast transactions
 
-## [0.31.0]
+## [v0.31.0]
 This release updates the bindings libraries to bdk version 0.29.0, updating rust-bitcoin to version 0.30.2.
 
 - APIs Changed:
@@ -26,7 +43,7 @@ This release updates the bindings libraries to bdk version 0.29.0, updating rust
 
 [#443]: https://github.com/bitcoindevkit/bdk-ffi/pull/443
 
-## [0.30.0]
+## [v0.30.0]
 This release has a new API and a few internal optimizations and refactorings.
 
 - APIs Added
@@ -34,7 +51,7 @@ This release has a new API and a few internal optimizations and refactorings.
 
 [#388]: https://github.com/bitcoindevkit/bdk-ffi/pull/388
 
-## [0.29.0]
+## [v0.29.0]
 This release has a number of new APIs, and adds support for Windows in bdk-jvm.
 
 Changelog
@@ -245,8 +262,9 @@ Changelog
 
 [BIP 0174]:https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki#encoding
 
-[1.0.0-alpha.7]: https://github.com/bitcoindevkit/bdk-ffi/compare/v1.0.0-alpha.2a...v1.0.0-alpha.7
-[1.0.0-alpha.2a]: https://github.com/bitcoindevkit/bdk-ffi/compare/v0.31.0...v1.0.0-alpha.2a
+[v1.0.0-alpha.11]: https://github.com/bitcoindevkit/bdk-ffi/compare/v1.0.0-alpha.7...v1.0.0-alpha.11
+[v1.0.0-alpha.7]: https://github.com/bitcoindevkit/bdk-ffi/compare/v1.0.0-alpha.2a...v1.0.0-alpha.7
+[v1.0.0-alpha.2a]: https://github.com/bitcoindevkit/bdk-ffi/compare/v0.31.0...v1.0.0-alpha.2a
 [v0.31.0]: https://github.com/bitcoindevkit/bdk-ffi/compare/v0.30.0...v0.31.0
 [v0.30.0]: https://github.com/bitcoindevkit/bdk-ffi/compare/v0.29.0...v0.30.0
 [v0.29.0]: https://github.com/bitcoindevkit/bdk-ffi/compare/v0.28.0...v0.29.0

bdk-android/gradle.properties

@@ -2,4 +2,4 @@ org.gradle.jvmargs=-Xmx1536m
 android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
-libraryVersion=1.0.0-alpha.10-SNAPSHOT
+libraryVersion=1.0.0-alpha.12-SNAPSHOT

bdk-android/justfile

@@ -17,4 +17,4 @@ test:
   ./gradlew connectedAndroidTest
 
 test-specific TEST:
-  ./gradlew test --tests {{TEST}}
+  ./gradlew test --tests {{TEST}}

bdk-android/lib/build.gradle.kts

@@ -18,7 +18,7 @@ android {
     compileSdk = 34
 
     defaultConfig {
-        minSdk = 21
+        minSdk = 24
         targetSdk = 34
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles("consumer-rules.pro")

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt

@@ -13,8 +13,9 @@ private const val TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
 @RunWith(AndroidJUnit4::class)
 class LiveTxBuilderTest {
-    private val persistenceFilePath = InstrumentationRegistry
-        .getInstrumentation().targetContext.filesDir.path + "/bdk_persistence.db"
+    private val persistenceFilePath = InstrumentationRegistry.getInstrumentation().targetContext.filesDir.path + "/bdk_persistence3.sqlite"
+    private val descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
+    private val changeDescriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", Network.SIGNET)
 
     @AfterTest
     fun cleanup() {
@@ -26,20 +27,20 @@ class LiveTxBuilderTest {
 
     @Test
     fun testTxBuilder() {
-        val descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
-        val wallet = Wallet(descriptor, null, persistenceFilePath, Network.SIGNET)
-        val esploraClient = EsploraClient(SIGNET_ESPLORA_URL)
+        val wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
+        val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
+        println("Balance: ${wallet.balance().total.toSat()}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val psbt: Psbt = TxBuilder()
-            .addRecipient(recipient.scriptPubkey(), 4200uL)
+            .addRecipient(recipient.scriptPubkey(), Amount.fromSat(4200uL))
             .feeRate(FeeRate.fromSatPerVb(2uL))
             .finish(wallet)
 
@@ -49,23 +50,23 @@ class LiveTxBuilderTest {
 
     @Test
     fun complexTxBuilder() {
-        val externalDescriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
-        val changeDescriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", Network.SIGNET)
-        val wallet = Wallet(externalDescriptor, changeDescriptor, persistenceFilePath, Network.TESTNET)
-        val esploraClient = EsploraClient(SIGNET_ESPLORA_URL)
+        val wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
+        val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
 
-        assert(wallet.getBalance().total > 0uL)
+        println("Balance: ${wallet.balance().total.toSat()}")
+
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
 
         val recipient1: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val recipient2: Address = Address("tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6", Network.SIGNET)
         val allRecipients: List<ScriptAmount> = listOf(
-            ScriptAmount(recipient1.scriptPubkey(), 4200uL),
-            ScriptAmount(recipient2.scriptPubkey(), 4200uL),
+            ScriptAmount(recipient1.scriptPubkey(), Amount.fromSat(4200uL)),
+            ScriptAmount(recipient2.scriptPubkey(), Amount.fromSat(4200uL)),
         )
 
         val psbt: Psbt = TxBuilder()

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveWalletTest.kt

@@ -14,7 +14,9 @@ private const val TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 @RunWith(AndroidJUnit4::class)
 class LiveWalletTest {
     private val persistenceFilePath = InstrumentationRegistry
-        .getInstrumentation().targetContext.filesDir.path + "/bdk_persistence.db"
+        .getInstrumentation().targetContext.filesDir.path + "/bdk_persistence2.sqlite"
+    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)
 
     @AfterTest
     fun cleanup() {
@@ -26,24 +28,24 @@ class LiveWalletTest {
 
     @Test
     fun testSyncedBalance() {
-        val descriptor: Descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
-        val wallet: Wallet = Wallet(descriptor, null, persistenceFilePath, Network.SIGNET)
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
         val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
-        val balance: Balance = wallet.getBalance()
+        println("Balance: ${wallet.balance().total.toSat()}")
+        val balance: Balance = wallet.balance()
         println("Balance: $balance")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
 
         println("Transactions count: ${wallet.transactions().count()}")
         val transactions = wallet.transactions().take(3)
         for (tx in transactions) {
             val sentAndReceived = wallet.sentAndReceived(tx.transaction)
-            println("Transaction: ${tx.transaction.txid()}")
+            println("Transaction: ${tx.transaction.computeTxid()}")
             println("Sent ${sentAndReceived.sent}")
             println("Received ${sentAndReceived.received}")
         }
@@ -51,24 +53,21 @@ class LiveWalletTest {
 
     @Test
     fun testBroadcastTransaction() {
-        val descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
-        val wallet = Wallet(descriptor, null, persistenceFilePath, Network.SIGNET)
+        val wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
         val esploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
-        println("New address: ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address}")
+        println("Balance: ${wallet.balance().total.toSat()}")
 
-        assert(wallet.getBalance().total > 0uL) {
+        assert(wallet.balance().total.toSat() > 0uL) {
             "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
         }
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
 
         val psbt: Psbt = TxBuilder()
-            .addRecipient(recipient.scriptPubkey(), 4200uL)
+            .addRecipient(recipient.scriptPubkey(), Amount.fromSat(4200uL))
             .feeRate(FeeRate.fromSatPerVb(4uL))
             .finish(wallet)
 
@@ -79,10 +78,10 @@ class LiveWalletTest {
         assertTrue(walletDidSign)
 
         val tx: Transaction = psbt.extractTx()
-        println("Txid is: ${tx.txid()}")
+        println("Txid is: ${tx.computeTxid()}")
 
-        val txFee: ULong = wallet.calculateFee(tx)
-        println("Tx fee is: ${txFee}")
+        val txFee: Amount = wallet.calculateFee(tx)
+        println("Tx fee is: ${txFee.toSat()}")
 
         val feeRate: FeeRate = wallet.calculateFeeRate(tx)
         println("Tx fee rate is: ${feeRate.toSatPerVbCeil()} sat/vB")

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/OfflineDescriptorTest.kt

@@ -15,7 +15,7 @@ class OfflineDescriptorTest {
 
         assertEquals(
             expected = "tr([be1eec8f/86'/1'/0']tpubDCTtszwSxPx3tATqDrsSyqScPNnUChwQAVAkanuDUCJQESGBbkt68nXXKRDifYSDbeMa2Xg2euKbXaU3YphvGWftDE7ozRKPriT6vAo3xsc/0/*)#m7puekcx",
-            actual = descriptor.asString()
+            actual = descriptor.toString()
         )
     }
 }

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/OfflineWalletTest.kt

@@ -13,7 +13,9 @@ import kotlin.test.AfterTest
 @RunWith(AndroidJUnit4::class)
 class OfflineWalletTest {
     private val persistenceFilePath = InstrumentationRegistry
-        .getInstrumentation().targetContext.filesDir.path + "/bdk_persistence.db"
+        .getInstrumentation().targetContext.filesDir.path + "/bdk_persistence1.sqlite"
+    private val descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.TESTNET)
+    private val changeDescriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", Network.TESTNET)
 
     @AfterTest
     fun cleanup() {
@@ -29,19 +31,14 @@ class OfflineWalletTest {
         val descriptorSecretKey: DescriptorSecretKey = DescriptorSecretKey(Network.TESTNET, mnemonic, null)
         val descriptor: Descriptor = Descriptor.newBip86(descriptorSecretKey, KeychainKind.EXTERNAL, Network.TESTNET)
 
-        assertTrue(descriptor.asString().startsWith("tr"), "Bip86 Descriptor does not start with 'tr'")
+        assertTrue(descriptor.toString().startsWith("tr"), "Bip86 Descriptor does not start with 'tr'")
     }
 
    @Test
     fun testNewAddress() {
-        val descriptor: Descriptor = Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            Network.TESTNET
-        )
         val wallet: Wallet = Wallet(
             descriptor,
-            null,
-            persistenceFilePath,
+            changeDescriptor,
             Network.TESTNET
         )
         val addressInfo: AddressInfo = wallet.revealNextAddress(KeychainKind.EXTERNAL)
@@ -52,27 +49,22 @@ class OfflineWalletTest {
         assertFalse(addressInfo.address.isValidForNetwork(Network.BITCOIN), "Address is valid for bitcoin network, but it shouldn't be")
 
         assertEquals(
-            expected = "tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e",
-            actual = addressInfo.address.asString()
+            expected = "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
+            actual = addressInfo.address.toString()
         )
     }
 
     @Test
     fun testBalance() {
-        val descriptor: Descriptor = Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            Network.TESTNET
-        )
         val wallet: Wallet = Wallet(
             descriptor,
-            null,
-            persistenceFilePath,
+            changeDescriptor,
             Network.TESTNET
         )
 
         assertEquals(
             expected = 0uL,
-            actual = wallet.getBalance().total
+            actual = wallet.balance().total.toSat()
         )
     }
 }

bdk-android/plugins/src/main/kotlin/org/bitcoindevkit/plugins/UniFfiAndroidPlugin.kt

@@ -34,10 +34,10 @@ internal class UniFfiAndroidPlugin : Plugin<Project> {
             environment(
                 // add build toolchain to PATH
                 Pair("PATH", "${System.getenv("PATH")}:${System.getenv("ANDROID_NDK_ROOT")}/toolchains/llvm/prebuilt/$llvmArchPath/bin"),
-                Pair("CFLAGS", "-D__ANDROID_MIN_SDK_VERSION__=21"),
+                Pair("CFLAGS", "-D__ANDROID_MIN_SDK_VERSION__=24"),
                 Pair("AR", "llvm-ar"),
-                Pair("CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER", "aarch64-linux-android21-clang"),
-                Pair("CC", "aarch64-linux-android21-clang")
+                Pair("CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER", "aarch64-linux-android24-clang"),
+                Pair("CC", "aarch64-linux-android24-clang")
             )
 
             doLast {
@@ -57,10 +57,10 @@ internal class UniFfiAndroidPlugin : Plugin<Project> {
             environment(
                 // add build toolchain to PATH
                 Pair("PATH", "${System.getenv("PATH")}:${System.getenv("ANDROID_NDK_ROOT")}/toolchains/llvm/prebuilt/$llvmArchPath/bin"),
-                Pair("CFLAGS", "-D__ANDROID_MIN_SDK_VERSION__=21"),
+                Pair("CFLAGS", "-D__ANDROID_MIN_SDK_VERSION__=24"),
                 Pair("AR", "llvm-ar"),
-                Pair("CARGO_TARGET_X86_64_LINUX_ANDROID_LINKER", "x86_64-linux-android21-clang"),
-                Pair("CC", "x86_64-linux-android21-clang")
+                Pair("CARGO_TARGET_X86_64_LINUX_ANDROID_LINKER", "x86_64-linux-android24-clang"),
+                Pair("CC", "x86_64-linux-android24-clang")
             )
 
             doLast {
@@ -80,10 +80,10 @@ internal class UniFfiAndroidPlugin : Plugin<Project> {
             environment(
                 // add build toolchain to PATH
                 Pair("PATH", "${System.getenv("PATH")}:${System.getenv("ANDROID_NDK_ROOT")}/toolchains/llvm/prebuilt/$llvmArchPath/bin"),
-                Pair("CFLAGS", "-D__ANDROID_MIN_SDK_VERSION__=21"),
+                Pair("CFLAGS", "-D__ANDROID_MIN_SDK_VERSION__=24"),
                 Pair("AR", "llvm-ar"),
-                Pair("CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER", "armv7a-linux-androideabi21-clang"),
-                Pair("CC", "armv7a-linux-androideabi21-clang")
+                Pair("CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER", "armv7a-linux-androideabi24-clang"),
+                Pair("CC", "armv7a-linux-androideabi24-clang")
             )
 
             doLast {

bdk-ffi/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bdk-ffi"
-version = "1.0.0-alpha.10"
+version = "1.0.0-alpha.11"
 homepage = "https://bitcoindevkit.org"
 repository = "https://github.com/bitcoindevkit/bdk"
 edition = "2018"
@@ -18,19 +18,24 @@ path = "uniffi-bindgen.rs"
 default = ["uniffi/cli"]
 
 [dependencies]
-bdk = { version = "1.0.0-alpha.10", features = ["all-keys", "keys-bip39"] }
-bdk_esplora = { version = "0.12.0", default-features = false, features = ["std", "blocking", "blocking-https-rustls"] }
-bdk_file_store = { version = "0.10.0" }
-
-uniffi = { version = "=0.26.1" }
+bdk_wallet = { version = "1.0.0-alpha.13", features = ["all-keys", "keys-bip39"] }
+bdk_esplora = { version = "0.15.0", default-features = false, features = ["std", "blocking", "blocking-https-rustls"] }
+# NOTE: This is a temporary workaround to use the electrum-client with the use-rustls-ring feature. It points to a fork
+#       of bdk in which the bdk_electrum library uses the electrum-client with the use-rustls-ring feature.
+bdk_electrum = { git = "https://github.com/thunderbiscuit/bdk/", package = "bdk_electrum", branch = "feature/electrum-client-ring-ffi-alpha13", default-features = false, features = ["use-rustls-ring"] }
+# bdk_electrum = { version = "0.15.0" }
+bdk_sqlite = { version = "0.2.0" }
+bdk_bitcoind_rpc = { version = "0.12.0" }
 bitcoin-internals = { version = "0.2.0", features = ["alloc"] }
+
+uniffi = { version = "=0.28.0" }
 thiserror = "1.0.58"
 
 [build-dependencies]
-uniffi = { version = "=0.26.1", features = ["build"] }
+uniffi = { version = "=0.28.0", features = ["build"] }
 
 [dev-dependencies]
-uniffi = { version = "=0.26.1", features = ["bindgen-tests"] }
+uniffi = { version = "=0.28.0", features = ["bindgen-tests"] }
 assert_matches = "1.5.0"
 
 [profile.release-smaller]

bdk-ffi/src/bdk.udl

@@ -5,16 +5,17 @@ namespace bdk {};
 // ------------------------------------------------------------------------
 
 [Error]
-interface AddressError {
+interface AddressParseError {
   Base58();
   Bech32();
   WitnessVersion(string error_message);
   WitnessProgram(string error_message);
-  UncompressedPubkey();
-  ExcessiveScriptSize();
-  UnrecognizedScript();
-  NetworkValidation(Network required, Network found, string address);
-  OtherAddressErr();
+  UnknownHrp();
+  LegacyAddressTooLong();
+  InvalidBase58PayloadLength();
+  InvalidLegacyPrefix();
+  NetworkValidation();
+  OtherAddressParseErr();
 };
 
 [Error]
@@ -44,7 +45,7 @@ interface Bip39Error {
 [Error]
 interface CalculateFeeError {
   MissingTxOut(sequence<OutPoint> out_points);
-  NegativeFee(i64 fee);
+  NegativeFee(string amount);
 };
 
 [Error]
@@ -55,7 +56,6 @@ interface CannotConnectError {
 [Error]
 interface CreateTxError {
   Descriptor(string error_message);
-  Persist(string error_message);
   Policy(string error_message);
   SpendingPolicyRequired(string kind);
   Version0();
@@ -63,7 +63,7 @@ interface CreateTxError {
   LockTime(string requested, string required);
   RbfSequence();
   RbfSequenceCsv(string rbf, string csv);
-  FeeTooLow(u64 required);
+  FeeTooLow(string required);
   FeeRateTooLow(string required);
   NoUtxosSelected();
   OutputBelowDustLimit(u64 index);
@@ -92,6 +92,7 @@ interface DescriptorError {
     Pk(string error_message);
     Miniscript(string error_message);
     Hex(string error_message);
+    ExternalAndInternalAreTheSame();
 };
 
 [Error]
@@ -101,6 +102,27 @@ interface DescriptorKeyError {
   Bip32(string error_message);
 };
 
+[Error]
+interface ElectrumError {
+  IOError(string error_message);
+  Json(string error_message);
+  Hex(string error_message);
+  Protocol(string error_message);
+  Bitcoin(string error_message);
+  AlreadySubscribed();
+  NotSubscribed();
+  InvalidResponse(string error_message);
+  Message(string error_message);
+  InvalidDNSNameError(string domain);
+  MissingDomain();
+  AllAttemptsErrored();
+  SharedIOError(string error_message);
+  CouldntLockReader();
+  Mpsc();
+  CouldNotCreateConnection(string error_message);
+  RequestAlreadyConsumed();
+};
+
 [Error]
 interface EsploraError {
   Minreq(string error_message);
@@ -131,17 +153,77 @@ enum FeeRateError {
   "ArithmeticOverflow"
 };
 
+[Error]
+interface FromScriptError {
+  UnrecognizedScript();
+  WitnessProgram(string error_message);
+  WitnessVersion(string error_message);
+  OtherFromScriptErr();
+};
+
+[Error]
+interface ParseAmountError {
+  OutOfRange();
+  TooPrecise();
+  MissingDigits();
+  InputTooLarge();
+  InvalidCharacter(string error_message);
+  OtherParseAmountErr();
+};
+
 [Error]
 interface PersistenceError {
   Write(string error_message);
 };
 
+[Error]
+interface PsbtError {
+  InvalidMagic();
+  MissingUtxo();
+  InvalidSeparator();
+  PsbtUtxoOutOfBounds();
+  InvalidKey(string key);
+  InvalidProprietaryKey();
+  DuplicateKey(string key);
+  UnsignedTxHasScriptSigs();
+  UnsignedTxHasScriptWitnesses();
+  MustHaveUnsignedTx();
+  NoMorePairs();
+  UnexpectedUnsignedTx();
+  NonStandardSighashType(u32 sighash);
+  InvalidHash(string hash);
+  InvalidPreimageHashPair();
+  CombineInconsistentKeySources(string xpub);
+  ConsensusEncoding(string encoding_error);
+  NegativeFee();
+  FeeOverflow();
+  InvalidPublicKey(string error_message);
+  InvalidSecp256k1PublicKey(string secp256k1_error);
+  InvalidXOnlyPublicKey();
+  InvalidEcdsaSignature(string error_message);
+  InvalidTaprootSignature(string error_message);
+  InvalidControlBlock();
+  InvalidLeafVersion();
+  Taproot();
+  TapTree(string error_message);
+  XPubKey();
+  Version(string error_message);
+  PartialDataConsumption();
+  Io(string error_message);
+  OtherPsbtErr();
+};
+
 [Error]
 interface PsbtParseError {
   PsbtEncoding(string error_message);
   Base64Encoding(string error_message);
 };
 
+[Error]
+interface InspectError {
+  RequestAlreadyConsumed();
+};
+
 [Error]
 interface SignerError {
     MissingKey();
@@ -155,11 +237,19 @@ interface SignerError {
     MissingHdKeypath();
     NonStandardSighash();
     InvalidSighash();
-    SighashError(string error_message);
+    SighashP2wpkh(string error_message);
+    SighashTaproot(string error_message);
+    TxInputsIndexError(string error_message);
     MiniscriptPsbt(string error_message);
     External(string error_message);
 };
 
+[Error]
+interface SqliteError {
+  InvalidNetwork(Network expected, Network given);
+  Sqlite(string rusqlite_error);
+};
+
 [Error]
 interface TransactionError {
   Io();
@@ -178,17 +268,14 @@ interface TxidParseError {
 
 [Error]
 interface WalletCreationError {
-  Io(string error_message);
-  InvalidMagicBytes(sequence<u8> got, sequence<u8> expected);
-  Descriptor();
-  Persist(string error_message);
-  NotInitialized();
+  Descriptor(string error_message);
   LoadedGenesisDoesNotMatch(string expected, string got);
   LoadedNetworkDoesNotMatch(Network expected, Network? got);
+  LoadedDescriptorDoesNotMatch(string got, KeychainKind keychain);
 };
 
 // ------------------------------------------------------------------------
-// bdk crate - types module
+// bdk_wallet crate - types module
 // ------------------------------------------------------------------------
 
 enum KeychainKind {
@@ -203,17 +290,17 @@ dictionary AddressInfo {
 };
 
 dictionary Balance {
-  u64 immature;
+  Amount immature;
 
-  u64 trusted_pending;
+  Amount trusted_pending;
 
-  u64 untrusted_pending;
+  Amount untrusted_pending;
 
-  u64 confirmed;
+  Amount confirmed;
 
-  u64 trusted_spendable;
+  Amount trusted_spendable;
 
-  u64 total;
+  Amount total;
 };
 
 dictionary LocalOutput {
@@ -239,12 +326,30 @@ dictionary CanonicalTx {
   ChainPosition chain_position;
 };
 
-interface FullScanRequest {};
+interface FullScanRequest {
+  [Throws=InspectError]
+  FullScanRequest inspect_spks_for_all_keychains(FullScanScriptInspector inspector);
+};
 
-interface SyncRequest {};
+interface SyncRequest {
+  [Throws=InspectError]
+  SyncRequest inspect_spks(SyncScriptInspector inspector);
+};
+
+[Trait, WithForeign]
+interface SyncScriptInspector {
+  void inspect(Script script, u64 total);
+};
+
+[Trait, WithForeign]
+interface FullScanScriptInspector {
+  void inspect(KeychainKind keychain, u32 index, Script script);
+};
+
+interface ChangeSet {};
 
 // ------------------------------------------------------------------------
-// bdk crate - wallet module
+// bdk_wallet crate - wallet module
 // ------------------------------------------------------------------------
 
 enum ChangeSpendPolicy {
@@ -255,21 +360,20 @@ enum ChangeSpendPolicy {
 
 interface Wallet {
   [Throws=WalletCreationError]
-  constructor(Descriptor descriptor, Descriptor? change_descriptor, string persistence_backend_path, Network network);
+  constructor(Descriptor descriptor, Descriptor change_descriptor, Network network);
+
+  [Name=new_or_load, Throws=WalletCreationError]
+  constructor(Descriptor descriptor, Descriptor change_descriptor, ChangeSet? change_set, Network network);
 
-  [Throws=PersistenceError]
   AddressInfo reveal_next_address(KeychainKind keychain);
 
   Network network();
 
-  Balance get_balance();
+  Balance balance();
 
   [Throws=CannotConnectError]
   void apply_update(Update update);
 
-  [Throws=PersistenceError]
-  boolean commit();
-
   boolean is_mine([ByRef] Script script);
 
   [Throws=SignerError]
@@ -283,7 +387,7 @@ interface Wallet {
   CanonicalTx? get_tx(string txid);
 
   [Throws=CalculateFeeError]
-  u64 calculate_fee([ByRef] Transaction tx);
+  Amount calculate_fee([ByRef] Transaction tx);
 
   [Throws=CalculateFeeError]
   FeeRate calculate_fee_rate([ByRef] Transaction tx);
@@ -295,6 +399,8 @@ interface Wallet {
   FullScanRequest start_full_scan();
 
   SyncRequest start_sync_with_revealed_spks();
+
+  ChangeSet? take_staged();
 };
 
 interface Update {};
@@ -302,7 +408,7 @@ interface Update {};
 interface TxBuilder {
   constructor();
 
-  TxBuilder add_recipient([ByRef] Script script, u64 amount);
+  TxBuilder add_recipient([ByRef] Script script, Amount amount);
 
   TxBuilder set_recipients(sequence<ScriptAmount> recipients);
 
@@ -322,7 +428,7 @@ interface TxBuilder {
 
   TxBuilder fee_rate([ByRef] FeeRate fee_rate);
 
-  TxBuilder fee_absolute(u64 fee);
+  TxBuilder fee_absolute(Amount fee);
 
   TxBuilder drain_wallet();
 
@@ -347,10 +453,26 @@ interface BumpFeeTxBuilder {
   Psbt finish([ByRef] Wallet wallet);
 };
 
+// ------------------------------------------------------------------------
+// bdk_sqlite crate
+// ------------------------------------------------------------------------
+
+interface SqliteStore {
+  [Throws=SqliteError]
+  constructor(string path);
+
+  [Throws=SqliteError]
+  void write([ByRef] ChangeSet change_set);
+
+  [Throws=SqliteError]
+  ChangeSet? read();
+};
+
 // ------------------------------------------------------------------------
 // bdk crate - descriptor module
 // ------------------------------------------------------------------------
 
+[Traits=(Display)]
 interface Mnemonic {
   constructor(WordCount word_count);
 
@@ -359,8 +481,6 @@ interface Mnemonic {
 
   [Name=from_entropy, Throws=Bip39Error]
   constructor(sequence<u8> entropy);
-
-  string as_string();
 };
 
 interface DerivationPath {
@@ -400,6 +520,7 @@ interface DescriptorPublicKey {
   string as_string();
 };
 
+[Traits=(Display)]
 interface Descriptor {
   [Throws=DescriptorError]
   constructor(string descriptor, Network network);
@@ -428,9 +549,7 @@ interface Descriptor {
   [Name=new_bip86_public]
   constructor([ByRef] DescriptorPublicKey public_key, string fingerprint, KeychainKind keychain, Network network);
 
-  string as_string();
-
-  string as_string_private();
+  string to_string_with_secret();
 };
 
 // ------------------------------------------------------------------------
@@ -450,22 +569,40 @@ interface EsploraClient {
   void broadcast([ByRef] Transaction transaction);
 };
 
+// ------------------------------------------------------------------------
+// bdk_electrum crate
+// ------------------------------------------------------------------------
+
+interface ElectrumClient {
+  [Throws=ElectrumError]
+  constructor(string url);
+
+  [Throws=ElectrumError]
+  Update full_scan(FullScanRequest full_scan_request, u64 stop_gap, u64 batch_size, boolean fetch_prev_txouts);
+
+  [Throws=ElectrumError]
+  Update sync(SyncRequest sync_request, u64 batch_size, boolean fetch_prev_txouts);
+
+  [Throws=ElectrumError]
+  string broadcast([ByRef] Transaction transaction);
+};
+
 // ------------------------------------------------------------------------
 // bdk-ffi-defined types
 // ------------------------------------------------------------------------
 
 dictionary ScriptAmount {
   Script script;
-  u64 amount;
+  Amount amount;
 };
 
 dictionary SentAndReceivedValues {
-    u64 sent;
-    u64 received;
+    Amount sent;
+    Amount received;
 };
 
 // ------------------------------------------------------------------------
-// bdk crate - bitcoin re-exports
+// bdk_wallet crate - bitcoin re-exports
 // ------------------------------------------------------------------------
 
 interface Script {
@@ -490,18 +627,18 @@ enum WordCount {
   "Words24",
 };
 
+[Traits=(Display)]
 interface Address {
-  [Throws=AddressError]
+  [Throws=AddressParseError]
   constructor(string address, Network network);
 
-  Network network();
+  [Name=from_script, Throws=FromScriptError]
+  constructor(Script script, Network network);
 
   Script script_pubkey();
 
   string to_qr_uri();
 
-  string as_string();
-
   boolean is_valid_for_network(Network network);
 };
 
@@ -509,7 +646,7 @@ interface Transaction {
   [Throws=TransactionError]
   constructor(sequence<u8> transaction_bytes);
 
-  string txid();
+  string compute_txid();
 
   u64 total_size();
 
@@ -526,6 +663,12 @@ interface Transaction {
   sequence<u8> serialize();
 
   u64 weight();
+
+  sequence<TxIn> input();
+
+  sequence<TxOut> output();
+
+  u32 lock_time();
 };
 
 interface Psbt {
@@ -536,6 +679,14 @@ interface Psbt {
 
   [Throws=ExtractTxError]
   Transaction extract_tx();
+
+  [Throws=PsbtError]
+  u64 fee();
+
+  [Throws=PsbtError]
+  Psbt combine(Psbt other);
+
+  string json_serialize();
 };
 
 dictionary OutPoint {
@@ -543,6 +694,18 @@ dictionary OutPoint {
   u32 vout;
 };
 
+interface Amount {
+  [Name=from_sat]
+  constructor(u64 from_sat);
+
+  [Name=from_btc, Throws=ParseAmountError]
+  constructor(f64 from_btc);
+
+  u64 to_sat();
+
+  f64 to_btc();
+};
+
 interface FeeRate {
   [Name=from_sat_per_vb, Throws=FeeRateError]
   constructor(u64 sat_per_vb);
@@ -556,3 +719,10 @@ interface FeeRate {
 
   u64 to_sat_per_kwu();
 };
+
+dictionary TxIn {
+  OutPoint previous_output;
+  Script script_sig;
+  u32 sequence;
+  sequence<sequence<u8>> witness;
+};

bdk-ffi/src/bitcoin.rs

@@ -1,23 +1,65 @@
-use crate::error::{AddressError, FeeRateError, PsbtParseError, TransactionError};
+use crate::error::{
+    AddressParseError, FeeRateError, FromScriptError, PsbtError, PsbtParseError, TransactionError,
+};
 
-use bdk::bitcoin::address::{NetworkChecked, NetworkUnchecked};
-use bdk::bitcoin::blockdata::script::ScriptBuf as BdkScriptBuf;
-use bdk::bitcoin::blockdata::transaction::TxOut as BdkTxOut;
-use bdk::bitcoin::consensus::encode::serialize;
-use bdk::bitcoin::consensus::Decodable;
-use bdk::bitcoin::psbt::ExtractTxError;
-use bdk::bitcoin::Address as BdkAddress;
-use bdk::bitcoin::FeeRate as BdkFeeRate;
-use bdk::bitcoin::Network;
-use bdk::bitcoin::OutPoint as BdkOutPoint;
-use bdk::bitcoin::Psbt as BdkPsbt;
-use bdk::bitcoin::Transaction as BdkTransaction;
-use bdk::bitcoin::Txid;
+use bdk_bitcoind_rpc::bitcoincore_rpc::jsonrpc::serde_json;
+use bdk_wallet::bitcoin::address::{NetworkChecked, NetworkUnchecked};
+use bdk_wallet::bitcoin::amount::ParseAmountError;
+use bdk_wallet::bitcoin::consensus::encode::serialize;
+use bdk_wallet::bitcoin::consensus::Decodable;
+use bdk_wallet::bitcoin::io::Cursor;
+use bdk_wallet::bitcoin::psbt::ExtractTxError;
+use bdk_wallet::bitcoin::Address as BdkAddress;
+use bdk_wallet::bitcoin::Amount as BdkAmount;
+use bdk_wallet::bitcoin::FeeRate as BdkFeeRate;
+use bdk_wallet::bitcoin::Network;
+use bdk_wallet::bitcoin::OutPoint as BdkOutPoint;
+use bdk_wallet::bitcoin::Psbt as BdkPsbt;
+use bdk_wallet::bitcoin::ScriptBuf as BdkScriptBuf;
+use bdk_wallet::bitcoin::Transaction as BdkTransaction;
+use bdk_wallet::bitcoin::TxIn as BdkTxIn;
+use bdk_wallet::bitcoin::TxOut as BdkTxOut;
+use bdk_wallet::bitcoin::Txid;
 
-use std::io::Cursor;
+use std::fmt::Display;
+use std::ops::Deref;
 use std::str::FromStr;
 use std::sync::{Arc, Mutex};
 
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct Amount(pub(crate) BdkAmount);
+
+impl Amount {
+    pub fn from_sat(sat: u64) -> Self {
+        Amount(BdkAmount::from_sat(sat))
+    }
+
+    pub fn from_btc(btc: f64) -> Result<Self, ParseAmountError> {
+        let bdk_amount = BdkAmount::from_btc(btc).map_err(ParseAmountError::from)?;
+        Ok(Amount(bdk_amount))
+    }
+
+    pub fn to_sat(&self) -> u64 {
+        self.0.to_sat()
+    }
+
+    pub fn to_btc(&self) -> f64 {
+        self.0.to_btc()
+    }
+}
+
+impl From<Amount> for BdkAmount {
+    fn from(amount: Amount) -> Self {
+        amount.0
+    }
+}
+
+impl From<BdkAmount> for Amount {
+    fn from(amount: BdkAmount) -> Self {
+        Amount(amount)
+    }
+}
+
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct Script(pub(crate) BdkScriptBuf);
 
@@ -42,15 +84,17 @@ impl From<BdkScriptBuf> for Script {
 pub struct Address(BdkAddress<NetworkChecked>);
 
 impl Address {
-    pub fn new(address: String, network: Network) -> Result<Self, AddressError> {
-        let parsed_address = address.parse::<bdk::bitcoin::Address<NetworkUnchecked>>()?;
+    pub fn new(address: String, network: Network) -> Result<Self, AddressParseError> {
+        let parsed_address = address.parse::<bdk_wallet::bitcoin::Address<NetworkUnchecked>>()?;
         let network_checked_address = parsed_address.require_network(network)?;
 
         Ok(Address(network_checked_address))
     }
 
-    pub fn network(&self) -> Network {
-        *self.0.network()
+    pub fn from_script(script: Arc<Script>, network: Network) -> Result<Self, FromScriptError> {
+        let address = BdkAddress::from_script(&script.0.clone(), network)?;
+
+        Ok(Address(address))
     }
 
     pub fn script_pubkey(&self) -> Arc<Script> {
@@ -61,10 +105,6 @@ impl Address {
         self.0.to_qr_uri()
     }
 
-    pub fn as_string(&self) -> String {
-        self.0.to_string()
-    }
-
     pub fn is_valid_for_network(&self, network: Network) -> bool {
         let address_str = self.0.to_string();
         if let Ok(unchecked_address) = address_str.parse::<BdkAddress<NetworkUnchecked>>() {
@@ -75,6 +115,12 @@ impl Address {
     }
 }
 
+impl Display for Address {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
 impl From<Address> for BdkAddress {
     fn from(address: Address) -> Self {
         address.0
@@ -97,8 +143,8 @@ impl Transaction {
         Ok(Transaction(tx))
     }
 
-    pub fn txid(&self) -> String {
-        self.0.txid().to_string()
+    pub fn compute_txid(&self) -> String {
+        self.0.compute_txid().to_string()
     }
 
     pub fn weight(&self) -> u64 {
@@ -132,6 +178,18 @@ impl Transaction {
     pub fn serialize(&self) -> Vec<u8> {
         serialize(&self.0)
     }
+
+    pub fn input(&self) -> Vec<TxIn> {
+        self.0.input.iter().map(|tx_in| tx_in.into()).collect()
+    }
+
+    pub fn output(&self) -> Vec<TxOut> {
+        self.0.output.iter().map(|tx_out| tx_out.into()).collect()
+    }
+
+    pub fn lock_time(&self) -> u32 {
+        self.0.lock_time.to_consensus_u32()
+    }
 }
 
 impl From<BdkTransaction> for Transaction {
@@ -170,6 +228,27 @@ impl Psbt {
         let transaction: Transaction = tx.into();
         Ok(Arc::new(transaction))
     }
+
+    pub(crate) fn fee(&self) -> Result<u64, PsbtError> {
+        self.0
+            .lock()
+            .unwrap()
+            .fee()
+            .map(|fee| fee.to_sat())
+            .map_err(PsbtError::from)
+    }
+
+    pub(crate) fn combine(&self, other: Arc<Psbt>) -> Result<Arc<Psbt>, PsbtError> {
+        let mut original_psbt = self.0.lock().unwrap().clone();
+        let other_psbt = other.0.lock().unwrap().clone();
+        original_psbt.combine(other_psbt)?;
+        Ok(Arc::new(Psbt(Mutex::new(original_psbt))))
+    }
+
+    pub(crate) fn json_serialize(&self) -> String {
+        let psbt = self.0.lock().unwrap();
+        serde_json::to_string(psbt.deref()).unwrap()
+    }
 }
 
 impl From<BdkPsbt> for Psbt {
@@ -202,6 +281,28 @@ impl From<&BdkOutPoint> for OutPoint {
     }
 }
 
+#[derive(Debug, Clone)]
+pub struct TxIn {
+    pub previous_output: OutPoint,
+    pub script_sig: Arc<Script>,
+    pub sequence: u32,
+    pub witness: Vec<Vec<u8>>,
+}
+
+impl From<&BdkTxIn> for TxIn {
+    fn from(tx_in: &BdkTxIn) -> Self {
+        TxIn {
+            previous_output: OutPoint {
+                txid: tx_in.previous_output.txid.to_string(),
+                vout: tx_in.previous_output.vout,
+            },
+            script_sig: Arc::new(Script(tx_in.script_sig.clone())),
+            sequence: tx_in.sequence.0,
+            witness: tx_in.witness.to_vec(),
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 pub struct TxOut {
     pub value: u64,
@@ -218,7 +319,7 @@ impl From<&BdkTxOut> for TxOut {
 }
 
 #[derive(Clone, Debug)]
-pub struct FeeRate(pub BdkFeeRate);
+pub struct FeeRate(pub(crate) BdkFeeRate);
 
 impl FeeRate {
     pub fn from_sat_per_vb(sat_per_vb: u64) -> Result<Self, FeeRateError> {
@@ -271,11 +372,6 @@ mod tests {
             docs_address_testnet.is_valid_for_network(Network::Regtest),
             "Address should be valid for Regtest"
         );
-        assert_ne!(
-            docs_address_testnet.network(),
-            Network::Bitcoin,
-            "Address should not be parsed as Bitcoin"
-        );
 
         let docs_address_mainnet_str = "32iVBEu4dxkUQk9dJbZUiBiQdmypcEyJRf";
         let docs_address_mainnet =
@@ -284,21 +380,6 @@ mod tests {
             docs_address_mainnet.is_valid_for_network(Network::Bitcoin),
             "Address should be valid for Bitcoin"
         );
-        assert_ne!(
-            docs_address_mainnet.network(),
-            Network::Testnet,
-            "Address should not be valid for Testnet"
-        );
-        assert_ne!(
-            docs_address_mainnet.network(),
-            Network::Signet,
-            "Address should not be valid for Signet"
-        );
-        assert_ne!(
-            docs_address_mainnet.network(),
-            Network::Regtest,
-            "Address should not be valid for Regtest"
-        );
 
         // ====Bech32====
 

bdk-ffi/src/descriptor.rs

@@ -1,18 +1,19 @@
 use crate::error::DescriptorError;
 use crate::keys::DescriptorPublicKey;
 use crate::keys::DescriptorSecretKey;
+use std::fmt::Display;
 
-use bdk::bitcoin::bip32::Fingerprint;
-use bdk::bitcoin::key::Secp256k1;
-use bdk::bitcoin::Network;
-use bdk::descriptor::{ExtendedDescriptor, IntoWalletDescriptor};
-use bdk::keys::DescriptorPublicKey as BdkDescriptorPublicKey;
-use bdk::keys::{DescriptorSecretKey as BdkDescriptorSecretKey, KeyMap};
-use bdk::template::{
+use bdk_wallet::bitcoin::bip32::Fingerprint;
+use bdk_wallet::bitcoin::key::Secp256k1;
+use bdk_wallet::bitcoin::Network;
+use bdk_wallet::descriptor::{ExtendedDescriptor, IntoWalletDescriptor};
+use bdk_wallet::keys::DescriptorPublicKey as BdkDescriptorPublicKey;
+use bdk_wallet::keys::{DescriptorSecretKey as BdkDescriptorSecretKey, KeyMap};
+use bdk_wallet::template::{
     Bip44, Bip44Public, Bip49, Bip49Public, Bip84, Bip84Public, Bip86, Bip86Public,
     DescriptorTemplate,
 };
-use bdk::KeychainKind;
+use bdk_wallet::KeychainKind;
 
 use std::str::FromStr;
 
@@ -260,14 +261,16 @@ impl Descriptor {
         }
     }
 
-    pub(crate) fn as_string_private(&self) -> String {
+    pub(crate) fn to_string_with_secret(&self) -> String {
         let descriptor = &self.extended_descriptor;
         let key_map = &self.key_map;
         descriptor.to_string_with_secret(key_map)
     }
+}
 
-    pub(crate) fn as_string(&self) -> String {
-        self.extended_descriptor.to_string()
+impl Display for Descriptor {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.extended_descriptor)
     }
 }
 
@@ -275,6 +278,8 @@ impl Descriptor {
 mod test {
     use crate::*;
     use assert_matches::assert_matches;
+    use bdk_wallet::bitcoin::Network;
+    use bdk_wallet::KeychainKind;
 
     fn get_descriptor_secret_key() -> DescriptorSecretKey {
         let mnemonic = Mnemonic::from_string("chaos fabric time speed sponsor all flat solution wisdom trophy crack object robot pave observe combine where aware bench orient secret primary cable detect".to_string()).unwrap();
@@ -319,10 +324,10 @@ mod test {
         let template_private_86 =
             Descriptor::new_bip86(&master, KeychainKind::External, Network::Testnet);
         // the extended public keys are the same when creating them manually as they are with the templates
-        println!("Template 49: {}", template_private_49.as_string());
-        println!("Template 44: {}", template_private_44.as_string());
-        println!("Template 84: {}", template_private_84.as_string());
-        println!("Template 86: {}", template_private_86.as_string());
+        println!("Template 49: {}", template_private_49);
+        println!("Template 44: {}", template_private_44);
+        println!("Template 84: {}", template_private_84);
+        println!("Template 86: {}", template_private_86);
         let template_public_44 = Descriptor::new_bip44_public(
             &handmade_public_44,
             "d1d04177".to_string(),
@@ -347,43 +352,43 @@ mod test {
             KeychainKind::External,
             Network::Testnet,
         );
-        println!("Template public 49: {}", template_public_49.as_string());
-        println!("Template public 44: {}", template_public_44.as_string());
-        println!("Template public 84: {}", template_public_84.as_string());
-        println!("Template public 86: {}", template_public_86.as_string());
-        // when using a public key, both as_string and as_string_private return the same string
+        println!("Template public 49: {}", template_public_49);
+        println!("Template public 44: {}", template_public_44);
+        println!("Template public 84: {}", template_public_84);
+        println!("Template public 86: {}", template_public_86);
+        // when using a public key, both to_string and as_string_private return the same string
         assert_eq!(
-            template_public_44.as_string_private(),
-            template_public_44.as_string()
+            template_public_44.to_string_with_secret(),
+            template_public_44.to_string()
         );
         assert_eq!(
-            template_public_49.as_string_private(),
-            template_public_49.as_string()
+            template_public_49.to_string_with_secret(),
+            template_public_49.to_string()
         );
         assert_eq!(
-            template_public_84.as_string_private(),
-            template_public_84.as_string()
+            template_public_84.to_string_with_secret(),
+            template_public_84.to_string()
         );
         assert_eq!(
-            template_public_86.as_string_private(),
-            template_public_86.as_string()
+            template_public_86.to_string_with_secret(),
+            template_public_86.to_string()
         );
-        // when using as_string on a private key, we get the same result as when using it on a public key
+        // when using to_string on a private key, we get the same result as when using it on a public key
         assert_eq!(
-            template_private_44.as_string(),
-            template_public_44.as_string()
+            template_private_44.to_string(),
+            template_public_44.to_string()
         );
         assert_eq!(
-            template_private_49.as_string(),
-            template_public_49.as_string()
+            template_private_49.to_string(),
+            template_public_49.to_string()
         );
         assert_eq!(
-            template_private_84.as_string(),
-            template_public_84.as_string()
+            template_private_84.to_string(),
+            template_public_84.to_string()
         );
         assert_eq!(
-            template_private_86.as_string(),
-            template_public_86.as_string()
+            template_private_86.to_string(),
+            template_public_86.to_string()
         );
     }
     #[test]

bdk-ffi/src/electrum.rs

@@ -0,0 +1,101 @@
+use crate::bitcoin::Transaction;
+use crate::error::ElectrumError;
+use crate::types::{FullScanRequest, SyncRequest};
+use crate::wallet::Update;
+
+use bdk_electrum::BdkElectrumClient as BdkBdkElectrumClient;
+use bdk_electrum::{ElectrumFullScanResult, ElectrumSyncResult};
+use bdk_wallet::bitcoin::Transaction as BdkTransaction;
+use bdk_wallet::chain::spk_client::FullScanRequest as BdkFullScanRequest;
+use bdk_wallet::chain::spk_client::FullScanResult as BdkFullScanResult;
+use bdk_wallet::chain::spk_client::SyncRequest as BdkSyncRequest;
+use bdk_wallet::chain::spk_client::SyncResult as BdkSyncResult;
+use bdk_wallet::wallet::Update as BdkUpdate;
+use bdk_wallet::KeychainKind;
+
+use std::collections::BTreeMap;
+use std::sync::Arc;
+
+// NOTE: We are keeping our naming convention where the alias of the inner type is the Rust type
+//       prefixed with `Bdk`. In this case the inner type is `BdkElectrumClient`, so the alias is
+//       funnily enough named `BdkBdkElectrumClient`.
+pub struct ElectrumClient(BdkBdkElectrumClient<bdk_electrum::electrum_client::Client>);
+
+impl ElectrumClient {
+    pub fn new(url: String) -> Result<Self, ElectrumError> {
+        let inner_client: bdk_electrum::electrum_client::Client =
+            bdk_electrum::electrum_client::Client::new(url.as_str())?;
+        let client = BdkBdkElectrumClient::new(inner_client);
+        Ok(Self(client))
+    }
+
+    pub fn full_scan(
+        &self,
+        request: Arc<FullScanRequest>,
+        stop_gap: u64,
+        batch_size: u64,
+        fetch_prev_txouts: bool,
+    ) -> Result<Arc<Update>, ElectrumError> {
+        // using option and take is not ideal but the only way to take full ownership of the request
+        let request: BdkFullScanRequest<KeychainKind> = request
+            .0
+            .lock()
+            .unwrap()
+            .take()
+            .ok_or(ElectrumError::RequestAlreadyConsumed)?;
+
+        let electrum_result: ElectrumFullScanResult<KeychainKind> = self.0.full_scan(
+            request,
+            stop_gap as usize,
+            batch_size as usize,
+            fetch_prev_txouts,
+        )?;
+        let full_scan_result: BdkFullScanResult<KeychainKind> =
+            electrum_result.with_confirmation_time_height_anchor(&self.0)?;
+
+        let update = BdkUpdate {
+            last_active_indices: full_scan_result.last_active_indices,
+            graph: full_scan_result.graph_update,
+            chain: Some(full_scan_result.chain_update),
+        };
+
+        Ok(Arc::new(Update(update)))
+    }
+
+    pub fn sync(
+        &self,
+        request: Arc<SyncRequest>,
+        batch_size: u64,
+        fetch_prev_txouts: bool,
+    ) -> Result<Arc<Update>, ElectrumError> {
+        // using option and take is not ideal but the only way to take full ownership of the request
+        let request: BdkSyncRequest = request
+            .0
+            .lock()
+            .unwrap()
+            .take()
+            .ok_or(ElectrumError::RequestAlreadyConsumed)?;
+
+        let electrum_result: ElectrumSyncResult =
+            self.0
+                .sync(request, batch_size as usize, fetch_prev_txouts)?;
+        let sync_result: BdkSyncResult =
+            electrum_result.with_confirmation_time_height_anchor(&self.0)?;
+
+        let update = BdkUpdate {
+            last_active_indices: BTreeMap::default(),
+            graph: sync_result.graph_update,
+            chain: Some(sync_result.chain_update),
+        };
+
+        Ok(Arc::new(Update(update)))
+    }
+
+    pub fn broadcast(&self, transaction: &Transaction) -> Result<String, ElectrumError> {
+        let bdk_transaction: BdkTransaction = transaction.into();
+        self.0
+            .transaction_broadcast(&bdk_transaction)
+            .map_err(ElectrumError::from)
+            .map(|txid| txid.to_string())
+    }
+}

bdk-ffi/src/esplora.rs

@@ -2,17 +2,18 @@ use crate::bitcoin::Transaction;
 use crate::error::EsploraError;
 use crate::types::{FullScanRequest, SyncRequest};
 use crate::wallet::Update;
-use std::collections::BTreeMap;
 
-use bdk::bitcoin::Transaction as BdkTransaction;
-use bdk::chain::spk_client::FullScanRequest as BdkFullScanRequest;
-use bdk::chain::spk_client::FullScanResult as BdkFullScanResult;
-use bdk::chain::spk_client::SyncRequest as BdkSyncRequest;
-use bdk::chain::spk_client::SyncResult as BdkSyncResult;
-use bdk::KeychainKind;
 use bdk_esplora::esplora_client::{BlockingClient, Builder};
 use bdk_esplora::EsploraExt;
+use bdk_wallet::bitcoin::Transaction as BdkTransaction;
+use bdk_wallet::chain::spk_client::FullScanRequest as BdkFullScanRequest;
+use bdk_wallet::chain::spk_client::FullScanResult as BdkFullScanResult;
+use bdk_wallet::chain::spk_client::SyncRequest as BdkSyncRequest;
+use bdk_wallet::chain::spk_client::SyncResult as BdkSyncResult;
+use bdk_wallet::wallet::Update as BdkUpdate;
+use bdk_wallet::KeychainKind;
 
+use std::collections::BTreeMap;
 use std::sync::Arc;
 
 pub struct EsploraClient(BlockingClient);
@@ -41,7 +42,7 @@ impl EsploraClient {
             self.0
                 .full_scan(request, stop_gap as usize, parallel_requests as usize)?;
 
-        let update = bdk::wallet::Update {
+        let update = BdkUpdate {
             last_active_indices: result.last_active_indices,
             graph: result.graph_update,
             chain: Some(result.chain_update),
@@ -65,7 +66,7 @@ impl EsploraClient {
 
         let result: BdkSyncResult = self.0.sync(request, parallel_requests as usize)?;
 
-        let update = bdk::wallet::Update {
+        let update = BdkUpdate {
             last_active_indices: BTreeMap::default(),
             graph: result.graph_update,
             chain: Some(result.chain_update),

bdk-ffi/src/keys.rs

@@ -1,24 +1,25 @@
 use crate::error::{Bip32Error, Bip39Error, DescriptorKeyError};
+use std::fmt::Display;
 
-use bdk::bitcoin::bip32::DerivationPath as BdkDerivationPath;
-use bdk::bitcoin::key::Secp256k1;
-use bdk::bitcoin::secp256k1::rand;
-use bdk::bitcoin::secp256k1::rand::Rng;
-use bdk::bitcoin::Network;
-use bdk::keys::bip39::WordCount;
-use bdk::keys::bip39::{Language, Mnemonic as BdkMnemonic};
-use bdk::keys::{
+use bdk_wallet::bitcoin::bip32::DerivationPath as BdkDerivationPath;
+use bdk_wallet::bitcoin::key::Secp256k1;
+use bdk_wallet::bitcoin::secp256k1::rand;
+use bdk_wallet::bitcoin::secp256k1::rand::Rng;
+use bdk_wallet::bitcoin::Network;
+use bdk_wallet::keys::bip39::WordCount;
+use bdk_wallet::keys::bip39::{Language, Mnemonic as BdkMnemonic};
+use bdk_wallet::keys::{
     DerivableKey, DescriptorPublicKey as BdkDescriptorPublicKey,
     DescriptorSecretKey as BdkDescriptorSecretKey, ExtendedKey, GeneratableKey, GeneratedKey,
 };
-use bdk::miniscript::descriptor::{DescriptorXKey, Wildcard};
-use bdk::miniscript::BareCtx;
+use bdk_wallet::miniscript::descriptor::{DescriptorXKey, Wildcard};
+use bdk_wallet::miniscript::BareCtx;
 
 use std::ops::Deref;
 use std::str::FromStr;
 use std::sync::{Arc, Mutex};
 
-pub(crate) struct Mnemonic(pub(crate) BdkMnemonic);
+pub(crate) struct Mnemonic(BdkMnemonic);
 
 impl Mnemonic {
     pub(crate) fn new(word_count: WordCount) -> Self {
@@ -44,9 +45,11 @@ impl Mnemonic {
             .map(Mnemonic)
             .map_err(Bip39Error::from)
     }
+}
 
-    pub(crate) fn as_string(&self) -> String {
-        self.0.to_string()
+impl Display for Mnemonic {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
     }
 }
 
@@ -224,10 +227,9 @@ impl DescriptorPublicKey {
 
 #[cfg(test)]
 mod test {
-    use crate::keys::{DerivationPath, DescriptorPublicKey, DescriptorSecretKey, Mnemonic};
-    // use bdk::bitcoin::hashes::hex::ToHex;
     use crate::error::DescriptorKeyError;
-    use bdk::bitcoin::Network;
+    use crate::keys::{DerivationPath, DescriptorPublicKey, DescriptorSecretKey, Mnemonic};
+    use bdk_wallet::bitcoin::Network;
     use std::sync::Arc;
 
     fn get_inner() -> DescriptorSecretKey {

bdk-ffi/src/lib.rs

@@ -1,20 +1,25 @@
 mod bitcoin;
 mod descriptor;
+mod electrum;
 mod error;
 mod esplora;
 mod keys;
+mod store;
 mod types;
 mod wallet;
 
 use crate::bitcoin::Address;
+use crate::bitcoin::Amount;
 use crate::bitcoin::FeeRate;
 use crate::bitcoin::OutPoint;
 use crate::bitcoin::Psbt;
 use crate::bitcoin::Script;
 use crate::bitcoin::Transaction;
+use crate::bitcoin::TxIn;
 use crate::bitcoin::TxOut;
 use crate::descriptor::Descriptor;
-use crate::error::AddressError;
+use crate::electrum::ElectrumClient;
+use crate::error::AddressParseError;
 use crate::error::Bip32Error;
 use crate::error::Bip39Error;
 use crate::error::CalculateFeeError;
@@ -22,12 +27,18 @@ use crate::error::CannotConnectError;
 use crate::error::CreateTxError;
 use crate::error::DescriptorError;
 use crate::error::DescriptorKeyError;
+use crate::error::ElectrumError;
 use crate::error::EsploraError;
 use crate::error::ExtractTxError;
 use crate::error::FeeRateError;
+use crate::error::FromScriptError;
+use crate::error::InspectError;
+use crate::error::ParseAmountError;
 use crate::error::PersistenceError;
+use crate::error::PsbtError;
 use crate::error::PsbtParseError;
 use crate::error::SignerError;
+use crate::error::SqliteError;
 use crate::error::TransactionError;
 use crate::error::TxidParseError;
 use crate::error::WalletCreationError;
@@ -36,23 +47,27 @@ use crate::keys::DerivationPath;
 use crate::keys::DescriptorPublicKey;
 use crate::keys::DescriptorSecretKey;
 use crate::keys::Mnemonic;
+use crate::store::SqliteStore;
 use crate::types::AddressInfo;
 use crate::types::Balance;
 use crate::types::CanonicalTx;
 use crate::types::ChainPosition;
+use crate::types::ChangeSet;
 use crate::types::FullScanRequest;
+use crate::types::FullScanScriptInspector;
 use crate::types::LocalOutput;
 use crate::types::ScriptAmount;
 use crate::types::SyncRequest;
+use crate::types::SyncScriptInspector;
 use crate::wallet::BumpFeeTxBuilder;
 use crate::wallet::SentAndReceivedValues;
 use crate::wallet::TxBuilder;
 use crate::wallet::Update;
 use crate::wallet::Wallet;
 
-use bdk::bitcoin::Network;
-use bdk::keys::bip39::WordCount;
-use bdk::wallet::tx_builder::ChangeSpendPolicy;
-use bdk::KeychainKind;
+use bdk_wallet::bitcoin::Network;
+use bdk_wallet::keys::bip39::WordCount;
+use bdk_wallet::wallet::tx_builder::ChangeSpendPolicy;
+use bdk_wallet::KeychainKind;
 
 uniffi::include_scaffolding!("bdk");

bdk-ffi/src/store.rs

@@ -0,0 +1,39 @@
+use crate::error::SqliteError;
+use crate::types::ChangeSet;
+
+use bdk_sqlite::rusqlite::Connection;
+use bdk_sqlite::{Store as BdkSqliteStore, Store};
+use bdk_wallet::chain::ConfirmationTimeHeightAnchor;
+use bdk_wallet::KeychainKind;
+
+use std::sync::{Arc, Mutex, MutexGuard};
+
+pub struct SqliteStore(Mutex<BdkSqliteStore<KeychainKind, ConfirmationTimeHeightAnchor>>);
+
+impl SqliteStore {
+    pub fn new(path: String) -> Result<Self, SqliteError> {
+        let connection = Connection::open(path)?;
+        let db = Store::new(connection)?;
+        Ok(Self(Mutex::new(db)))
+    }
+
+    pub(crate) fn get_store(
+        &self,
+    ) -> MutexGuard<BdkSqliteStore<KeychainKind, ConfirmationTimeHeightAnchor>> {
+        self.0.lock().expect("sqlite store")
+    }
+
+    pub fn write(&self, changeset: &ChangeSet) -> Result<(), SqliteError> {
+        self.get_store()
+            .write(&changeset.0)
+            .map_err(SqliteError::from)
+    }
+
+    pub fn read(&self) -> Result<Option<Arc<ChangeSet>>, SqliteError> {
+        self.get_store()
+            .read()
+            .map_err(SqliteError::from)
+            .map(|optional_bdk_change_set| optional_bdk_change_set.map(ChangeSet::from))
+            .map(|optional_change_set| optional_change_set.map(Arc::new))
+    }
+}

bdk-ffi/src/types.rs

@@ -1,14 +1,19 @@
+use crate::bitcoin::Amount;
 use crate::bitcoin::{Address, OutPoint, Script, Transaction, TxOut};
+use crate::InspectError;
 
-use bdk::chain::spk_client::FullScanRequest as BdkFullScanRequest;
-use bdk::chain::spk_client::SyncRequest as BdkSyncRequest;
-use bdk::chain::tx_graph::CanonicalTx as BdkCanonicalTx;
-use bdk::chain::{ChainPosition as BdkChainPosition, ConfirmationTimeHeightAnchor};
-use bdk::wallet::AddressInfo as BdkAddressInfo;
-use bdk::wallet::Balance as BdkBalance;
-use bdk::KeychainKind;
-use bdk::LocalOutput as BdkLocalOutput;
+use bdk_wallet::bitcoin::ScriptBuf as BdkScriptBuf;
+use bdk_wallet::bitcoin::Transaction as BdkTransaction;
+use bdk_wallet::chain::spk_client::FullScanRequest as BdkFullScanRequest;
+use bdk_wallet::chain::spk_client::SyncRequest as BdkSyncRequest;
+use bdk_wallet::chain::tx_graph::CanonicalTx as BdkCanonicalTx;
+use bdk_wallet::chain::{ChainPosition as BdkChainPosition, ConfirmationTimeHeightAnchor};
+use bdk_wallet::wallet::AddressInfo as BdkAddressInfo;
+use bdk_wallet::wallet::Balance as BdkBalance;
+use bdk_wallet::KeychainKind;
+use bdk_wallet::LocalOutput as BdkLocalOutput;
 
+use bdk_electrum::bdk_chain::CombinedChangeSet;
 use std::sync::{Arc, Mutex};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -22,12 +27,8 @@ pub struct CanonicalTx {
     pub chain_position: ChainPosition,
 }
 
-impl From<BdkCanonicalTx<'_, Arc<bdk::bitcoin::Transaction>, ConfirmationTimeHeightAnchor>>
-    for CanonicalTx
-{
-    fn from(
-        tx: BdkCanonicalTx<'_, Arc<bdk::bitcoin::Transaction>, ConfirmationTimeHeightAnchor>,
-    ) -> Self {
+impl From<BdkCanonicalTx<'_, Arc<BdkTransaction>, ConfirmationTimeHeightAnchor>> for CanonicalTx {
+    fn from(tx: BdkCanonicalTx<'_, Arc<BdkTransaction>, ConfirmationTimeHeightAnchor>) -> Self {
         let chain_position = match tx.chain_position {
             BdkChainPosition::Confirmed(anchor) => ChainPosition::Confirmed {
                 height: anchor.confirmation_height,
@@ -45,7 +46,7 @@ impl From<BdkCanonicalTx<'_, Arc<bdk::bitcoin::Transaction>, ConfirmationTimeHei
 
 pub struct ScriptAmount {
     pub script: Arc<Script>,
-    pub amount: u64,
+    pub amount: Arc<Amount>,
 }
 
 pub struct AddressInfo {
@@ -65,27 +66,35 @@ impl From<BdkAddressInfo> for AddressInfo {
 }
 
 pub struct Balance {
-    pub immature: u64,
-    pub trusted_pending: u64,
-    pub untrusted_pending: u64,
-    pub confirmed: u64,
-    pub trusted_spendable: u64,
-    pub total: u64,
+    pub immature: Arc<Amount>,
+    pub trusted_pending: Arc<Amount>,
+    pub untrusted_pending: Arc<Amount>,
+    pub confirmed: Arc<Amount>,
+    pub trusted_spendable: Arc<Amount>,
+    pub total: Arc<Amount>,
 }
 
 impl From<BdkBalance> for Balance {
     fn from(bdk_balance: BdkBalance) -> Self {
         Balance {
-            immature: bdk_balance.immature,
-            trusted_pending: bdk_balance.trusted_pending,
-            untrusted_pending: bdk_balance.untrusted_pending,
-            confirmed: bdk_balance.confirmed,
-            trusted_spendable: bdk_balance.trusted_spendable(),
-            total: bdk_balance.total(),
+            immature: Arc::new(bdk_balance.immature.into()),
+            trusted_pending: Arc::new(bdk_balance.trusted_pending.into()),
+            untrusted_pending: Arc::new(bdk_balance.untrusted_pending.into()),
+            confirmed: Arc::new(bdk_balance.confirmed.into()),
+            trusted_spendable: Arc::new(bdk_balance.trusted_spendable().into()),
+            total: Arc::new(bdk_balance.total().into()),
         }
     }
 }
 
+pub struct ChangeSet(pub(crate) CombinedChangeSet<KeychainKind, ConfirmationTimeHeightAnchor>);
+
+impl From<CombinedChangeSet<KeychainKind, ConfirmationTimeHeightAnchor>> for ChangeSet {
+    fn from(change_set: CombinedChangeSet<KeychainKind, ConfirmationTimeHeightAnchor>) -> Self {
+        ChangeSet(change_set)
+    }
+}
+
 pub struct LocalOutput {
     pub outpoint: OutPoint,
     pub txout: TxOut,
@@ -110,6 +119,55 @@ impl From<BdkLocalOutput> for LocalOutput {
     }
 }
 
+// Callback for the FullScanRequest
+pub trait FullScanScriptInspector: Sync + Send {
+    fn inspect(&self, keychain: KeychainKind, index: u32, script: Arc<Script>);
+}
+
+// Callback for the SyncRequest
+pub trait SyncScriptInspector: Sync + Send {
+    fn inspect(&self, script: Arc<Script>, total: u64);
+}
+
 pub struct FullScanRequest(pub(crate) Mutex<Option<BdkFullScanRequest<KeychainKind>>>);
 
 pub struct SyncRequest(pub(crate) Mutex<Option<BdkSyncRequest>>);
+
+impl SyncRequest {
+    pub fn inspect_spks(
+        &self,
+        inspector: Arc<dyn SyncScriptInspector>,
+    ) -> Result<Arc<Self>, InspectError> {
+        let mut guard = self.0.lock().unwrap();
+        if let Some(sync_request) = guard.take() {
+            let total = sync_request.spks.len() as u64;
+            let sync_request = sync_request.inspect_spks(move |spk| {
+                inspector.inspect(Arc::new(BdkScriptBuf::from(spk).into()), total)
+            });
+            Ok(Arc::new(SyncRequest(Mutex::new(Some(sync_request)))))
+        } else {
+            Err(InspectError::RequestAlreadyConsumed)
+        }
+    }
+}
+
+impl FullScanRequest {
+    pub fn inspect_spks_for_all_keychains(
+        &self,
+        inspector: Arc<dyn FullScanScriptInspector>,
+    ) -> Result<Arc<Self>, InspectError> {
+        let mut guard = self.0.lock().unwrap();
+        if let Some(full_scan_request) = guard.take() {
+            let inspector = Arc::new(inspector);
+            let full_scan_request =
+                full_scan_request.inspect_spks_for_all_keychains(move |k, spk_i, script| {
+                    inspector.inspect(k, spk_i, Arc::new(BdkScriptBuf::from(script).into()))
+                });
+            Ok(Arc::new(FullScanRequest(Mutex::new(Some(
+                full_scan_request,
+            )))))
+        } else {
+            Err(InspectError::RequestAlreadyConsumed)
+        }
+    }
+}

bdk-ffi/src/wallet.rs

@@ -1,29 +1,30 @@
+use crate::bitcoin::Amount;
 use crate::bitcoin::{FeeRate, OutPoint, Psbt, Script, Transaction};
 use crate::descriptor::Descriptor;
 use crate::error::{
-    CalculateFeeError, CannotConnectError, CreateTxError, PersistenceError, SignerError,
-    TxidParseError, WalletCreationError,
+    CalculateFeeError, CannotConnectError, CreateTxError, SignerError, TxidParseError,
+    WalletCreationError,
 };
 use crate::types::{
-    AddressInfo, Balance, CanonicalTx, FullScanRequest, LocalOutput, ScriptAmount, SyncRequest,
+    AddressInfo, Balance, CanonicalTx, ChangeSet, FullScanRequest, LocalOutput, ScriptAmount,
+    SyncRequest,
 };
 
-use bdk::bitcoin::blockdata::script::ScriptBuf as BdkScriptBuf;
-use bdk::bitcoin::Network;
-use bdk::bitcoin::Psbt as BdkPsbt;
-use bdk::bitcoin::{OutPoint as BdkOutPoint, Sequence, Txid};
-use bdk::wallet::tx_builder::ChangeSpendPolicy;
-use bdk::wallet::{ChangeSet, Update as BdkUpdate};
-use bdk::Wallet as BdkWallet;
-use bdk::{KeychainKind, SignOptions};
-use bdk_file_store::Store;
+use bdk_wallet::bitcoin::amount::Amount as BdkAmount;
+use bdk_wallet::bitcoin::Network;
+use bdk_wallet::bitcoin::Psbt as BdkPsbt;
+use bdk_wallet::bitcoin::ScriptBuf as BdkScriptBuf;
+use bdk_wallet::bitcoin::{OutPoint as BdkOutPoint, Sequence, Txid};
+use bdk_wallet::chain::{CombinedChangeSet, ConfirmationTimeHeightAnchor};
+use bdk_wallet::wallet::tx_builder::ChangeSpendPolicy;
+use bdk_wallet::wallet::Update as BdkUpdate;
+use bdk_wallet::Wallet as BdkWallet;
+use bdk_wallet::{KeychainKind, SignOptions};
 
 use std::collections::HashSet;
 use std::str::FromStr;
 use std::sync::{Arc, Mutex, MutexGuard};
 
-const MAGIC_BYTES: &[u8] = "bdkffi".as_bytes();
-
 pub struct Wallet {
     inner_mutex: Mutex<BdkWallet>,
 }
@@ -31,16 +32,30 @@ pub struct Wallet {
 impl Wallet {
     pub fn new(
         descriptor: Arc<Descriptor>,
-        change_descriptor: Option<Arc<Descriptor>>,
-        persistence_backend_path: String,
+        change_descriptor: Arc<Descriptor>,
         network: Network,
     ) -> Result<Self, WalletCreationError> {
-        let descriptor = descriptor.as_string_private();
-        let change_descriptor = change_descriptor.map(|d| d.as_string_private());
-        let db = Store::<ChangeSet>::open_or_create_new(MAGIC_BYTES, persistence_backend_path)?;
+        let descriptor = descriptor.to_string_with_secret();
+        let change_descriptor = change_descriptor.to_string_with_secret();
+        let wallet: BdkWallet = BdkWallet::new(&descriptor, &change_descriptor, network)?;
 
+        Ok(Wallet {
+            inner_mutex: Mutex::new(wallet),
+        })
+    }
+
+    pub fn new_or_load(
+        descriptor: Arc<Descriptor>,
+        change_descriptor: Arc<Descriptor>,
+        change_set: Option<Arc<ChangeSet>>,
+        network: Network,
+    ) -> Result<Self, WalletCreationError> {
+        let descriptor = descriptor.to_string_with_secret();
+        let change_descriptor = change_descriptor.to_string_with_secret();
+        let change_set: Option<CombinedChangeSet<KeychainKind, ConfirmationTimeHeightAnchor>> =
+            change_set.map(|cs| cs.0.clone());
         let wallet: BdkWallet =
-            BdkWallet::new_or_load(&descriptor, change_descriptor.as_ref(), db, network)?;
+            BdkWallet::new_or_load(&descriptor, &change_descriptor, change_set, network)?;
 
         Ok(Wallet {
             inner_mutex: Mutex::new(wallet),
@@ -51,16 +66,8 @@ impl Wallet {
         self.inner_mutex.lock().expect("wallet")
     }
 
-    pub fn reveal_next_address(
-        &self,
-        keychain_kind: KeychainKind,
-    ) -> Result<AddressInfo, PersistenceError> {
-        self.get_wallet()
-            .reveal_next_address(keychain_kind)
-            .map(|address_info| address_info.into())
-            .map_err(|e| PersistenceError::Write {
-                error_message: e.to_string(),
-            })
+    pub fn reveal_next_address(&self, keychain_kind: KeychainKind) -> AddressInfo {
+        self.get_wallet().reveal_next_address(keychain_kind).into()
     }
 
     pub fn apply_update(&self, update: Arc<Update>) -> Result<(), CannotConnectError> {
@@ -69,20 +76,12 @@ impl Wallet {
             .map_err(CannotConnectError::from)
     }
 
-    pub fn commit(&self) -> Result<bool, PersistenceError> {
-        self.get_wallet()
-            .commit()
-            .map_err(|e| PersistenceError::Write {
-                error_message: e.to_string(),
-            })
-    }
-
     pub fn network(&self) -> Network {
         self.get_wallet().network()
     }
 
-    pub fn get_balance(&self) -> Balance {
-        let bdk_balance: bdk::wallet::Balance = self.get_wallet().get_balance();
+    pub fn balance(&self) -> Balance {
+        let bdk_balance = self.get_wallet().balance();
         Balance::from(bdk_balance)
     }
 
@@ -102,8 +101,11 @@ impl Wallet {
     }
 
     pub fn sent_and_received(&self, tx: &Transaction) -> SentAndReceivedValues {
-        let (sent, received): (u64, u64) = self.get_wallet().sent_and_received(&tx.into());
-        SentAndReceivedValues { sent, received }
+        let (sent, received) = self.get_wallet().sent_and_received(&tx.into());
+        SentAndReceivedValues {
+            sent: Arc::new(sent.into()),
+            received: Arc::new(received.into()),
+        }
     }
 
     pub fn transactions(&self) -> Vec<CanonicalTx> {
@@ -119,9 +121,11 @@ impl Wallet {
         Ok(self.get_wallet().get_tx(txid).map(|tx| tx.into()))
     }
 
-    pub fn calculate_fee(&self, tx: &Transaction) -> Result<u64, CalculateFeeError> {
+    pub fn calculate_fee(&self, tx: &Transaction) -> Result<Arc<Amount>, CalculateFeeError> {
         self.get_wallet()
             .calculate_fee(&tx.into())
+            .map(Amount::from)
+            .map(Arc::new)
             .map_err(|e| e.into())
     }
 
@@ -149,24 +153,30 @@ impl Wallet {
         let request = self.get_wallet().start_sync_with_revealed_spks();
         Arc::new(SyncRequest(Mutex::new(Some(request))))
     }
+
+    pub fn take_staged(&self) -> Option<Arc<ChangeSet>> {
+        self.get_wallet()
+            .take_staged()
+            .map(|change_set| Arc::new(change_set.into()))
+    }
 }
 
 pub struct SentAndReceivedValues {
-    pub sent: u64,
-    pub received: u64,
+    pub sent: Arc<Amount>,
+    pub received: Arc<Amount>,
 }
 
 pub struct Update(pub(crate) BdkUpdate);
 
 #[derive(Clone, Debug)]
 pub struct TxBuilder {
-    pub(crate) recipients: Vec<(BdkScriptBuf, u64)>,
+    pub(crate) recipients: Vec<(BdkScriptBuf, BdkAmount)>,
     pub(crate) utxos: Vec<OutPoint>,
     pub(crate) unspendable: HashSet<OutPoint>,
     pub(crate) change_policy: ChangeSpendPolicy,
     pub(crate) manually_selected_only: bool,
     pub(crate) fee_rate: Option<FeeRate>,
-    pub(crate) fee_absolute: Option<u64>,
+    pub(crate) fee_absolute: Option<Arc<Amount>>,
     pub(crate) drain_wallet: bool,
     pub(crate) drain_to: Option<BdkScriptBuf>,
     pub(crate) rbf: Option<RbfValue>,
@@ -190,9 +200,9 @@ impl TxBuilder {
         }
     }
 
-    pub(crate) fn add_recipient(&self, script: &Script, amount: u64) -> Arc<Self> {
-        let mut recipients: Vec<(BdkScriptBuf, u64)> = self.recipients.clone();
-        recipients.append(&mut vec![(script.0.clone(), amount)]);
+    pub(crate) fn add_recipient(&self, script: &Script, amount: Arc<Amount>) -> Arc<Self> {
+        let mut recipients: Vec<(BdkScriptBuf, BdkAmount)> = self.recipients.clone();
+        recipients.append(&mut vec![(script.0.clone(), amount.0)]);
 
         Arc::new(TxBuilder {
             recipients,
@@ -203,7 +213,7 @@ impl TxBuilder {
     pub(crate) fn set_recipients(&self, recipients: Vec<ScriptAmount>) -> Arc<Self> {
         let recipients = recipients
             .iter()
-            .map(|script_amount| (script_amount.script.0.clone(), script_amount.amount))
+            .map(|script_amount| (script_amount.script.0.clone(), script_amount.amount.0)) //;
             .collect();
         Arc::new(TxBuilder {
             recipients,
@@ -275,7 +285,7 @@ impl TxBuilder {
         })
     }
 
-    pub(crate) fn fee_absolute(&self, fee_amount: u64) -> Arc<Self> {
+    pub(crate) fn fee_absolute(&self, fee_amount: Arc<Amount>) -> Arc<Self> {
         Arc::new(TxBuilder {
             fee_absolute: Some(fee_amount),
             ..self.clone()
@@ -335,8 +345,8 @@ impl TxBuilder {
         if let Some(fee_rate) = &self.fee_rate {
             tx_builder.fee_rate(fee_rate.0);
         }
-        if let Some(fee_amount) = self.fee_absolute {
-            tx_builder.fee_absolute(fee_amount);
+        if let Some(fee_amount) = &self.fee_absolute {
+            tx_builder.fee_absolute(fee_amount.0);
         }
         if self.drain_wallet {
             tx_builder.drain_wallet();

bdk-ffi/tests/bindings/test.swift

@@ -4,6 +4,6 @@
  */
 
 import Foundation
-import bdk
+import BitcoinDevKit
 
 let network = Network.testnet

bdk-ffi/uniffi.toml

@@ -5,8 +5,6 @@ cdylib_name = "bdkffi"
 [bindings.python]
 cdylib_name = "bdkffi"
 
-[bindings.ruby]
-cdylib_name = "bdkffi"
-
 [bindings.swift]
+module_name = "BitcoinDevKit"
 cdylib_name = "bdkffi"

bdk-jvm/gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx1536m
 android.enableJetifier=true
 kotlin.code.style=official
-libraryVersion=1.0.0-alpha.10-SNAPSHOT
+libraryVersion=1.0.0-alpha.12-SNAPSHOT

bdk-jvm/lib/build.gradle.kts

@@ -24,13 +24,16 @@ java {
 
 // This block ensures that the tests that require access to a blockchain are not
 // run if the -P excludeConnectedTests flag is passed to gradle.
-// This ensures our CI runs are not fickle by not requiring access to testnet.
+// This ensures our CI runs are not fickle by not requiring access to testnet or signet.
 // This is a workaround until we have a proper regtest setup for the CI.
 // Note that the command in the CI is ./gradlew test -P excludeConnectedTests
 tasks.test {
     if (project.hasProperty("excludeConnectedTests")) {
-        exclude("**/LiveWalletTest.class")
+        exclude("**/LiveElectrumClientTest.class")
+        exclude("**/LiveMemoryWalletTest.class")
+        exclude("**/LiveTransactionTest.class")
         exclude("**/LiveTxBuilderTest.class")
+        exclude("**/LiveWalletTest.class")
     }
 }
 

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveElectrumClientTest.kt

@@ -0,0 +1,39 @@
+package org.bitcoindevkit
+
+import kotlin.test.Test
+
+private const val SIGNET_ELECTRUM_URL = "ssl://mempool.space:60602"
+
+class LiveElectrumClientTest {
+    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 testSyncedBalance() {
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
+        val electrumClient: ElectrumClient = ElectrumClient(SIGNET_ELECTRUM_URL)
+        val fullScanRequest: FullScanRequest = wallet.startFullScan()
+        val update = electrumClient.fullScan(fullScanRequest, 10uL, 10uL, false)
+        wallet.applyUpdate(update)
+        println("Balance: ${wallet.balance().total.toSat()}")
+
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
+
+        println("Transactions count: ${wallet.transactions().count()}")
+        val transactions = wallet.transactions().take(3)
+        for (tx in transactions) {
+            val sentAndReceived = wallet.sentAndReceived(tx.transaction)
+            println("Transaction: ${tx.transaction.computeTxid()}")
+            println("Sent ${sentAndReceived.sent.toSat()}")
+            println("Received ${sentAndReceived.received.toSat()}")
+        }
+    }
+}

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveMemoryWalletTest.kt

@@ -0,0 +1,67 @@
+package org.bitcoindevkit
+
+import kotlin.test.Test
+
+private const val SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private const val TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+class LiveMemoryWalletTest {
+    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 testSyncedBalance() {
+        val descriptor: Descriptor = Descriptor(
+            "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+            Network.SIGNET
+        )
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
+        val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
+        val fullScanRequest: FullScanRequest = wallet.startFullScan()
+        val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
+        wallet.applyUpdate(update)
+        println("Balance: ${wallet.balance().total.toSat()}")
+
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
+
+        println("Transactions count: ${wallet.transactions().count()}")
+        val transactions = wallet.transactions().take(3)
+        for (tx in transactions) {
+            val sentAndReceived = wallet.sentAndReceived(tx.transaction)
+            println("Transaction: ${tx.transaction.computeTxid()}")
+            println("Sent ${sentAndReceived.sent.toSat()}")
+            println("Received ${sentAndReceived.received.toSat()}")
+        }
+    }
+
+    @Test
+    fun testScriptInspector() {
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
+        val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
+
+        val scriptInspector: FullScriptInspector = FullScriptInspector()
+        val fullScanRequest: FullScanRequest = wallet.startFullScan().inspectSpksForAllKeychains(scriptInspector)
+        val update = esploraClient.fullScan(fullScanRequest, 21uL, 1uL)
+
+        wallet.applyUpdate(update)
+        println("Balance: ${wallet.balance().total.toSat()}")
+
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
+    }
+}
+
+class FullScriptInspector: FullScanScriptInspector {
+    override fun inspect(keychain: KeychainKind, index: UInt, script: Script){
+        println("Inspecting index $index for keychain $keychain")
+    }
+}

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveTransactionTests.kt

@@ -0,0 +1,47 @@
+package org.bitcoindevkit
+
+import kotlin.test.Test
+
+private const val SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private const val TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+class LiveTransactionTests {
+    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 testSyncedBalance() {
+        val descriptor: Descriptor = Descriptor(
+            "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+            Network.SIGNET
+        )
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
+        val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
+        val fullScanRequest: FullScanRequest = wallet.startFullScan()
+        val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
+        wallet.applyUpdate(update)
+        println("Wallet balance: ${wallet.balance().total.toSat()}")
+
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
+
+        val transaction: Transaction = wallet.transactions().first().transaction
+        println("First transaction:")
+        println("Txid: ${transaction.computeTxid()}")
+        println("Version: ${transaction.version()}")
+        println("Total size: ${transaction.totalSize()}")
+        println("Vsize: ${transaction.vsize()}")
+        println("Weight: ${transaction.weight()}")
+        println("Coinbase transaction: ${transaction.isCoinbase()}")
+        println("Is explicitly RBF: ${transaction.isExplicitlyRbf()}")
+        println("Inputs: ${transaction.input()}")
+        println("Outputs: ${transaction.output()}")
+    }
+}

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt

@@ -11,8 +11,16 @@ private const val TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 class LiveTxBuilderTest {
     private val persistenceFilePath = run {
         val currentDirectory = System.getProperty("user.dir")
-        "$currentDirectory/bdk_persistence.db"
+        "$currentDirectory/bdk_persistence.sqlite"
     }
+    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
+    )
 
     @AfterTest
     fun cleanup() {
@@ -25,19 +33,20 @@ class LiveTxBuilderTest {
     @Test
     fun testTxBuilder() {
         val descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.TESTNET)
-        val wallet = Wallet(descriptor, null, persistenceFilePath, Network.SIGNET)
+        val wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
         val esploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
+        println("Balance: ${wallet.balance().total.toSat()}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val psbt: Psbt = TxBuilder()
-            .addRecipient(recipient.scriptPubkey(), 4200uL)
+            .addRecipient(recipient.scriptPubkey(), Amount.fromSat(4200uL))
             .feeRate(FeeRate.fromSatPerVb(2uL))
             .finish(wallet)
 
@@ -48,23 +57,22 @@ class LiveTxBuilderTest {
 
     @Test
     fun complexTxBuilder() {
-        val externalDescriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.TESTNET)
-        val changeDescriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", Network.TESTNET)
-        val wallet = Wallet(externalDescriptor, changeDescriptor, persistenceFilePath, Network.SIGNET)
+        val wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
         val esploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
+        println("Balance: ${wallet.balance().total.toSat()}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
 
         val recipient1: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val recipient2: Address = Address("tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6", Network.SIGNET)
         val allRecipients: List<ScriptAmount> = listOf(
-            ScriptAmount(recipient1.scriptPubkey(), 4200uL),
-            ScriptAmount(recipient2.scriptPubkey(), 4200uL),
+            ScriptAmount(recipient1.scriptPubkey(), Amount.fromSat(4200uL)),
+            ScriptAmount(recipient2.scriptPubkey(), Amount.fromSat(4200uL)),
         )
 
         val psbt: Psbt = TxBuilder()

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveWalletTest.kt

@@ -11,8 +11,16 @@ private const val TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 class LiveWalletTest {
     private val persistenceFilePath = run {
         val currentDirectory = System.getProperty("user.dir")
-        "$currentDirectory/bdk_persistence.db"
+        "$currentDirectory/bdk_persistence.sqlite"
     }
+    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
+    )
 
     @AfterTest
     fun cleanup() {
@@ -24,22 +32,22 @@ class LiveWalletTest {
 
     @Test
     fun testSyncedBalance() {
-        val descriptor: Descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
-        val wallet: Wallet = Wallet(descriptor, null, persistenceFilePath, Network.SIGNET)
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
         val esploraClient: EsploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
+        println("Balance: ${wallet.balance().total.toSat()}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
+        }
 
         println("Transactions count: ${wallet.transactions().count()}")
         val transactions = wallet.transactions().take(3)
         for (tx in transactions) {
             val sentAndReceived = wallet.sentAndReceived(tx.transaction)
-            println("Transaction: ${tx.transaction.txid()}")
+            println("Transaction: ${tx.transaction.computeTxid()}")
             println("Sent ${sentAndReceived.sent}")
             println("Received ${sentAndReceived.received}")
         }
@@ -48,23 +56,21 @@ class LiveWalletTest {
     @Test
     fun testBroadcastTransaction() {
         val descriptor = Descriptor("wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", Network.SIGNET)
-        val wallet: Wallet = Wallet(descriptor, null, persistenceFilePath, Network.SIGNET)
+        val wallet: Wallet = Wallet(descriptor, changeDescriptor, Network.SIGNET)
         val esploraClient = EsploraClient(SIGNET_ESPLORA_URL)
         val fullScanRequest: FullScanRequest = wallet.startFullScan()
         val update = esploraClient.fullScan(fullScanRequest, 10uL, 1uL)
         wallet.applyUpdate(update)
-        wallet.commit()
-        println("Balance: ${wallet.getBalance().total}")
-        println("New address: ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()}")
+        println("Balance: ${wallet.balance().total.toSat()}")
 
-        assert(wallet.getBalance().total > 0uL) {
-            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        assert(wallet.balance().total.toSat() > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
         }
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
 
         val psbt: Psbt = TxBuilder()
-            .addRecipient(recipient.scriptPubkey(), 4200uL)
+            .addRecipient(recipient.scriptPubkey(), Amount.fromSat(4200uL))
             .feeRate(FeeRate.fromSatPerVb(2uL))
             .finish(wallet)
 
@@ -75,9 +81,9 @@ class LiveWalletTest {
         assertTrue(walletDidSign)
 
         val tx: Transaction = psbt.extractTx()
-        println("Txid is: ${tx.txid()}")
+        println("Txid is: ${tx.computeTxid()}")
 
-        val txFee: ULong = wallet.calculateFee(tx)
+        val txFee: Amount = wallet.calculateFee(tx)
         println("Tx fee is: ${txFee}")
 
         val feeRate: FeeRate = wallet.calculateFeeRate(tx)

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflineDescriptorTest.kt

@@ -12,7 +12,7 @@ class OfflineDescriptorTest {
 
         assertEquals(
             expected = "tr([be1eec8f/86'/1'/0']tpubDCTtszwSxPx3tATqDrsSyqScPNnUChwQAVAkanuDUCJQESGBbkt68nXXKRDifYSDbeMa2Xg2euKbXaU3YphvGWftDE7ozRKPriT6vAo3xsc/0/*)#m7puekcx",
-            actual = descriptor.asString()
+            actual = descriptor.toString()
         )
     }
 }

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflinePersistenceTest.kt

@@ -0,0 +1,45 @@
+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()
+        requireNotNull(initialChangeSet) { "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(),
+        )
+    }
+}

bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/OfflineWalletTest.kt

@@ -10,8 +10,16 @@ import kotlin.test.assertFalse
 class OfflineWalletTest {
     private val persistenceFilePath = run {
         val currentDirectory = System.getProperty("user.dir")
-        "$currentDirectory/bdk_persistence.db"
+        "$currentDirectory/bdk_persistence.sqlite"
     }
+    private val descriptor: Descriptor = Descriptor(
+        "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+        Network.TESTNET
+    )
+    private val changeDescriptor: Descriptor = Descriptor(
+        "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)",
+        Network.TESTNET
+    )
 
     @AfterTest
     fun cleanup() {
@@ -27,19 +35,14 @@ class OfflineWalletTest {
         val descriptorSecretKey: DescriptorSecretKey = DescriptorSecretKey(Network.TESTNET, mnemonic, null)
         val descriptor: Descriptor = Descriptor.newBip86(descriptorSecretKey, KeychainKind.EXTERNAL, Network.TESTNET)
 
-        assertTrue(descriptor.asString().startsWith("tr"), "Bip86 Descriptor does not start with 'tr'")
+        assertTrue(descriptor.toString().startsWith("tr"), "Bip86 Descriptor does not start with 'tr'")
     }
 
    @Test
     fun testNewAddress() {
-        val descriptor: Descriptor = Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            Network.TESTNET
-        )
         val wallet: Wallet = Wallet(
             descriptor,
-            null,
-            persistenceFilePath,
+            changeDescriptor,
             Network.TESTNET
         )
         val addressInfo: AddressInfo = wallet.revealNextAddress(KeychainKind.EXTERNAL)
@@ -50,27 +53,22 @@ class OfflineWalletTest {
         assertFalse(addressInfo.address.isValidForNetwork(Network.BITCOIN), "Address is valid for bitcoin network, but it shouldn't be")
 
         assertEquals(
-            expected = "tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e",
-            actual = addressInfo.address.asString()
+            expected = "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
+            actual = addressInfo.address.toString()
         )
     }
 
     @Test
     fun testBalance() {
-        val descriptor: Descriptor = Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            Network.TESTNET
-        )
         val wallet: Wallet = Wallet(
             descriptor,
-            null,
-            persistenceFilePath,
+            changeDescriptor,
             Network.TESTNET
         )
 
         assertEquals(
             expected = 0uL,
-            actual = wallet.getBalance().total
+            actual = wallet.balance().total.toSat()
         )
     }
 }

bdk-python/setup.py

@@ -18,7 +18,7 @@ import bdkpython as bdk
 
 setup(
     name="bdkpython",
-    version="1.0.0a10.dev",
+    version="1.0.0a12.dev",
     description="The Python language bindings for the Bitcoin Development Kit",
     long_description=LONG_DESCRIPTION,
     long_description_content_type="text/markdown",

bdk-python/tests/test_live_tx_builder.py

@@ -5,21 +5,29 @@ import os
 SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
 TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
+descriptor: bdk.Descriptor = bdk.Descriptor(
+    "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+    bdk.Network.TESTNET
+)
+change_descriptor: bdk.Descriptor = bdk.Descriptor(
+    "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)",
+    bdk.Network.TESTNET
+)
+
 class LiveTxBuilderTest(unittest.TestCase):
 
     def tearDown(self) -> None:
-        if os.path.exists("./bdk_persistence.db"):
-            os.remove("./bdk_persistence.db")
+        if os.path.exists("./bdk_persistence.sqlite"):
+            os.remove("./bdk_persistence.sqlite")
 
     def test_tx_builder(self):
         descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
+            "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
             bdk.Network.SIGNET
         )
         wallet: bdk.Wallet = bdk.Wallet(
             descriptor,
-            None,
-            "./bdk_persistence.db",
+            change_descriptor,
             bdk.Network.SIGNET
         )
         esplora_client: bdk.EsploraClient = bdk.EsploraClient(url = SIGNET_ESPLORA_URL)
@@ -30,32 +38,26 @@ class LiveTxBuilderTest(unittest.TestCase):
             parallel_requests=1
         )
         wallet.apply_update(update)
-        wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.balance().total.to_sat(),
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address} and try again."
+        )
         
         recipient = bdk.Address(
             address="tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
             network=bdk.Network.SIGNET
         )
         
-        psbt = bdk.TxBuilder().add_recipient(script=recipient.script_pubkey(), amount=4200).fee_rate(fee_rate=bdk.FeeRate.from_sat_per_vb(2)).finish(wallet)
+        psbt = bdk.TxBuilder().add_recipient(script=recipient.script_pubkey(), amount=bdk.Amount.from_sat(4200)).fee_rate(fee_rate=bdk.FeeRate.from_sat_per_vb(2)).finish(wallet)
         
         self.assertTrue(psbt.serialize().startswith("cHNi"), "The PSBT should start with cHNi")
 
     def complex_tx_builder(self):
-        descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            bdk.Network.SIGNET
-        )
-        change_descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/1/*)",
-            bdk.Network.SIGNET
-        )
         wallet: bdk.Wallet = bdk.Wallet(
             descriptor,
             change_descriptor,
-            "./bdk_persistence.db",
             bdk.Network.SIGNET
         )
         esplora_client: bdk.EsploraClient = bdk.EsploraClient(url = SIGNET_ESPLORA_URL)
@@ -66,9 +68,12 @@ class LiveTxBuilderTest(unittest.TestCase):
             parallel_requests=1
         )
         wallet.apply_update(update)
-        wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.balance().total.to_sat(),
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address} and try again."
+        )
         
         recipient1 = bdk.Address(
             address="tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",

bdk-python/tests/test_live_wallet.py

@@ -5,21 +5,25 @@ import os
 SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
 TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
+descriptor: bdk.Descriptor = bdk.Descriptor(
+    "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+    bdk.Network.TESTNET
+)
+change_descriptor: bdk.Descriptor = bdk.Descriptor(
+    "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)",
+    bdk.Network.TESTNET
+)
+
 class LiveWalletTest(unittest.TestCase):
 
     def tearDown(self) -> None:
-        if os.path.exists("./bdk_persistence.db"):
-            os.remove("./bdk_persistence.db")
+        if os.path.exists("./bdk_persistence.sqlite"):
+            os.remove("./bdk_persistence.sqlite")
 
     def test_synced_balance(self):
-        descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
-            bdk.Network.SIGNET
-        )
         wallet: bdk.Wallet = bdk.Wallet(
             descriptor,
-            None,
-            "./bdk_persistence.db",
+            change_descriptor,
             bdk.Network.SIGNET
         )
         esplora_client: bdk.EsploraClient = bdk.EsploraClient(url = SIGNET_ESPLORA_URL)
@@ -30,28 +34,26 @@ class LiveWalletTest(unittest.TestCase):
             parallel_requests=1
         )
         wallet.apply_update(update)
-        wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.balance().total.to_sat(),
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address} and try again."
+        )
         
         print(f"Transactions count: {len(wallet.transactions())}")
         transactions = wallet.transactions()[:3]
         for tx in transactions:
             sent_and_received = wallet.sent_and_received(tx.transaction)
-            print(f"Transaction: {tx.transaction.txid()}")
-            print(f"Sent {sent_and_received.sent}")
-            print(f"Received {sent_and_received.received}")
+            print(f"Transaction: {tx.transaction.compute_txid()}")
+            print(f"Sent {sent_and_received.sent.to_sat()}")
+            print(f"Received {sent_and_received.received.to_sat()}")
 
 
     def test_broadcast_transaction(self):
-        descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
-            bdk.Network.SIGNET
-        )
         wallet: bdk.Wallet = bdk.Wallet(
             descriptor,
-            None,
-            "./bdk_persistence.db",
+            change_descriptor,
             bdk.Network.SIGNET
         )
         esplora_client: bdk.EsploraClient = bdk.EsploraClient(url = SIGNET_ESPLORA_URL)
@@ -62,25 +64,27 @@ class LiveWalletTest(unittest.TestCase):
             parallel_requests=1
         )
         wallet.apply_update(update)
-        wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.balance().total.to_sat(),
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address} and try again."
+        )
         
         recipient = bdk.Address(
             address="tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
             network=bdk.Network.SIGNET
         )
         
-        psbt: bdk.Psbt = bdk.TxBuilder().add_recipient(script=recipient.script_pubkey(), amount=4200).fee_rate(fee_rate=bdk.FeeRate.from_sat_per_vb(2)).finish(wallet)
-        # print(psbt.serialize())
+        psbt: bdk.Psbt = bdk.TxBuilder().add_recipient(script=recipient.script_pubkey(), amount=bdk.Amount.from_sat(4200)).fee_rate(fee_rate=bdk.FeeRate.from_sat_per_vb(2)).finish(wallet)
         self.assertTrue(psbt.serialize().startswith("cHNi"), "The PSBT should start with cHNi")
         
         walletDidSign = wallet.sign(psbt)
         self.assertTrue(walletDidSign)
         tx = psbt.extract_tx()
-        print(f"Transaction Id: {tx.txid()}")
+        print(f"Transaction Id: {tx.compute_txid()}")
         fee = wallet.calculate_fee(tx)
-        print(f"Transaction Fee: {fee}")
+        print(f"Transaction Fee: {fee.to_sat()}")
         fee_rate = wallet.calculate_fee_rate(tx)
         print(f"Transaction Fee Rate: {fee_rate.to_sat_per_vb_ceil()} sat/vB")
         

bdk-python/tests/test_offline_descriptor.py

@@ -10,7 +10,7 @@ class OfflineDescriptorTest(unittest.TestCase):
 
         self.assertEqual(
             "tr([be1eec8f/86'/1'/0']tpubDCTtszwSxPx3tATqDrsSyqScPNnUChwQAVAkanuDUCJQESGBbkt68nXXKRDifYSDbeMa2Xg2euKbXaU3YphvGWftDE7ozRKPriT6vAo3xsc/0/*)#m7puekcx",
-            descriptor.as_string()
+            descriptor.__str__()
         )
 
 

bdk-python/tests/test_offline_wallet.py

@@ -2,21 +2,25 @@ import bdkpython as bdk
 import unittest
 import os
 
+descriptor: bdk.Descriptor = bdk.Descriptor(
+    "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
+    bdk.Network.TESTNET
+)
+change_descriptor: bdk.Descriptor = bdk.Descriptor(
+    "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)",
+    bdk.Network.TESTNET
+)
+
 class OfflineWalletTest(unittest.TestCase):
 
     def tearDown(self) -> None:
-        if os.path.exists("./bdk_persistence.db"):
-            os.remove("./bdk_persistence.db")
+        if os.path.exists("./bdk_persistence.sqlite"):
+            os.remove("./bdk_persistence.sqlite")
     
     def test_new_address(self):
-        descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            bdk.Network.TESTNET
-        )
         wallet: Wallet = bdk.Wallet(
             descriptor,
-            None,
-            "./bdk_persistence.db",
+            change_descriptor,
             bdk.Network.TESTNET
         )
         address_info: bdk.AddressInfo = wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL)
@@ -26,21 +30,16 @@ class OfflineWalletTest(unittest.TestCase):
         self.assertFalse(address_info.address.is_valid_for_network(bdk.Network.REGTEST), "Address is valid for regtest network, but it shouldn't be")
         self.assertFalse(address_info.address.is_valid_for_network(bdk.Network.BITCOIN), "Address is valid for bitcoin network, but it shouldn't be")
     
-        self.assertEqual("tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e", address_info.address.as_string())
+        self.assertEqual("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", address_info.address.__str__())
     
     def test_balance(self):
-        descriptor: bdk.Descriptor = bdk.Descriptor(
-            "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            bdk.Network.TESTNET
-        )
         wallet: bdk.Wallet = bdk.Wallet(
             descriptor,
-            None,
-            "./bdk_persistence.db",
+            change_descriptor,
             bdk.Network.TESTNET
         )
     
-        self.assertEqual(wallet.get_balance().total, 0)
+        self.assertEqual(wallet.balance().total.to_sat(), 0)
 
 if __name__ == '__main__':
     unittest.main()

bdk-swift/Package.swift

@@ -33,6 +33,10 @@ let package = Package(
         ),
         .testTarget(
             name: "BitcoinDevKitTests",
-            dependencies: ["BitcoinDevKit"]),
+            dependencies: ["BitcoinDevKit"],
+            resources: [
+                .copy("Resources/pre_existing_wallet_persistence_test.sqlite")
+            ]
+        ),
     ]
 )

bdk-swift/README.md

@@ -25,7 +25,7 @@ import BitcoinDevKit
 
 Swift Package Manager releases for `bdk-swift` are published to a separate repository (https://github.com/bitcoindevkit/bdk-swift), and that is where the releases are created for it. 
 
-The `bdk-swift/build-local-swift.sh` script can be used instead to create a version of the project for local testing.
+The `bdk-swift/build-xcframework.sh` script can be used instead to create a version of the project for local testing.
 
 ### How to test
 

bdk-swift/Tests/BitcoinDevKitTests/LiveElectrumClientTests.swift

@@ -0,0 +1,48 @@
+import XCTest
+@testable import BitcoinDevKit
+
+private let SIGNET_ELECTRUM_URL = "ssl://mempool.space:60602"
+
+final class LiveElectrumClientTests: XCTestCase {
+    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
+    )
+
+    func testSyncedBalance() throws {
+        let wallet = try Wallet(
+            descriptor: descriptor,
+            changeDescriptor: changeDescriptor,
+            network: Network.signet
+        )
+        let electrumClient: ElectrumClient = try ElectrumClient(url: SIGNET_ELECTRUM_URL)
+        let fullScanRequest: FullScanRequest = wallet.startFullScan()
+        let update = try electrumClient.fullScan(
+            fullScanRequest: fullScanRequest,
+            stopGap: 10,
+            batchSize: 10,
+            fetchPrevTxouts: false
+        )
+        try wallet.applyUpdate(update: update)
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address
+
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
+
+        print("Transactions count: \(wallet.transactions().count)")
+        let transactions = wallet.transactions().prefix(3)
+        for tx in transactions {
+            let sentAndReceived = wallet.sentAndReceived(tx: tx.transaction)
+            print("Transaction: \(tx.transaction.computeTxid())")
+            print("Sent \(sentAndReceived.sent.toSat())")
+            print("Received \(sentAndReceived.received.toSat())")
+        }
+    }
+}

bdk-swift/Tests/BitcoinDevKitTests/LiveMemoryWalletTests.swift

@@ -0,0 +1,80 @@
+import XCTest
+@testable import BitcoinDevKit
+
+private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+final class LiveMemoryWalletTests: XCTestCase {
+    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
+    )
+
+    func testSyncedBalance() throws {
+        let wallet = try Wallet(
+            descriptor: descriptor,
+            changeDescriptor: changeDescriptor,
+            network: .signet
+        )
+        let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
+        let fullScanRequest: FullScanRequest = wallet.startFullScan()
+        let update = try esploraClient.fullScan(
+            fullScanRequest: fullScanRequest,
+            stopGap: 10,
+            parallelRequests: 1
+        )
+        try wallet.applyUpdate(update: update)
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
+
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
+
+        print("Transactions count: \(wallet.transactions().count)")
+        let transactions = wallet.transactions().prefix(3)
+        for tx in transactions {
+            let sentAndReceived = wallet.sentAndReceived(tx: tx.transaction)
+            print("Transaction: \(tx.transaction.computeTxid())")
+            print("Sent \(sentAndReceived.sent.toSat())")
+            print("Received \(sentAndReceived.received.toSat())")
+        }
+    }
+
+    func testScriptInspector() throws {
+        let wallet = try Wallet(
+            descriptor: descriptor,
+            changeDescriptor: changeDescriptor,
+            network: .signet
+        )
+        let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
+        let scriptInspector = FullScriptInspector()
+        let fullScanRequest = try wallet.startFullScan().inspectSpksForAllKeychains(inspector: scriptInspector)
+
+        let update = try esploraClient.fullScan(
+            fullScanRequest: fullScanRequest,
+            stopGap: 21,
+            parallelRequests: 1
+        )
+        try wallet.applyUpdate(update: update)
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
+
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
+    }
+
+}
+
+class FullScriptInspector: FullScanScriptInspector {
+    func inspect(keychain: KeychainKind, index: UInt32, script: Script) {
+        print("Inspecting index \(index) for keychain \(keychain)")
+    }
+}

bdk-swift/Tests/BitcoinDevKitTests/LiveTransactionTests.swift

@@ -0,0 +1,56 @@
+import XCTest
+@testable import BitcoinDevKit
+
+private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+
+final class LiveTransactionTests: XCTestCase {
+    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
+    )
+
+    func testSyncedBalance() throws {
+        let wallet = try Wallet(
+            descriptor: descriptor,
+            changeDescriptor: changeDescriptor,
+            network: .signet
+        )
+        let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
+        let fullScanRequest: FullScanRequest = wallet.startFullScan()
+        let update = try esploraClient.fullScan(
+            fullScanRequest: fullScanRequest,
+            stopGap: 10,
+            parallelRequests: 1
+        )
+        try wallet.applyUpdate(update: update)
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
+
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
+            
+        guard let transaction = wallet.transactions().first?.transaction else {
+            print("No transactions found")
+            return
+        }
+        print("First transaction:")
+        print("Txid: \(transaction.computeTxid())")
+        print("Version: \(transaction.version())")
+        print("Total size: \(transaction.totalSize())")
+        print("Vsize: \(transaction.vsize())")
+        print("Weight: \(transaction.weight())")
+        print("Coinbase transaction: \(transaction.isCoinbase())")
+        print("Is explicitly RBF: \(transaction.isExplicitlyRbf())")
+        print("Inputs: \(transaction.input())")
+        print("Outputs: \(transaction.output())")
+
+    }
+}

bdk-swift/Tests/BitcoinDevKitTests/LiveTxBuilderTests.swift

@@ -1,17 +1,25 @@
 import XCTest
 @testable import BitcoinDevKit
 
-let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
-let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
 final class LiveTxBuilderTests: XCTestCase {
+    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
+    )
     var dbFilePath: URL!
 
     override func setUpWithError() throws {
         super.setUp()
         let fileManager = FileManager.default
         let documentDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first!
-        let uniqueDbFileName = "bdk_persistence_\(UUID().uuidString).db"
+        let uniqueDbFileName = "bdk_persistence_\(UUID().uuidString).sqlite"
         dbFilePath = documentDirectory.appendingPathComponent(uniqueDbFileName)
 
         if fileManager.fileExists(atPath: dbFilePath.path) {
@@ -27,14 +35,9 @@ final class LiveTxBuilderTests: XCTestCase {
     }
 
     func testTxBuilder() throws {
-        let descriptor = try Descriptor(
-            descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
-            network: Network.signet
-        )
         let wallet = try Wallet(
             descriptor: descriptor,
-            changeDescriptor: nil,
-            persistenceBackendPath: dbFilePath.path,
+            changeDescriptor: changeDescriptor,
             network: .signet
         )
         let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
@@ -45,13 +48,17 @@ final class LiveTxBuilderTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
 
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0), "Wallet must have positive balance, please add funds")
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
         let recipient: Address = try Address(address: "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", network: .signet)
         let psbt: Psbt = try TxBuilder()
-            .addRecipient(script: recipient.scriptPubkey(), amount: 4200)
+            .addRecipient(script: recipient.scriptPubkey(), amount: Amount.fromSat(fromSat: 4200))
             .feeRate(feeRate: FeeRate.fromSatPerVb(satPerVb: 2))
             .finish(wallet: wallet)
 
@@ -71,7 +78,6 @@ final class LiveTxBuilderTests: XCTestCase {
         let wallet = try Wallet(
             descriptor: descriptor,
             changeDescriptor: changeDescriptor,
-            persistenceBackendPath: dbFilePath.path,
             network: .signet
         )
         let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
@@ -82,15 +88,19 @@ final class LiveTxBuilderTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
-        
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0), "Wallet must have positive balance, please add funds")
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
+
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
         let recipient1: Address = try Address(address: "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", network: .signet)
         let recipient2: Address = try Address(address: "tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6", network: .signet)
         let allRecipients: [ScriptAmount] = [
-            ScriptAmount(script: recipient1.scriptPubkey(), amount: 4200),
-            ScriptAmount(script: recipient2.scriptPubkey(), amount: 4200)
+            ScriptAmount(script: recipient1.scriptPubkey(), amount: Amount.fromSat(fromSat: 4200)),
+            ScriptAmount(script: recipient2.scriptPubkey(), amount: Amount.fromSat(fromSat: 4200))
         ]
 
         let psbt: Psbt = try TxBuilder()
@@ -100,7 +110,7 @@ final class LiveTxBuilderTests: XCTestCase {
             .enableRbf()
             .finish(wallet: wallet)
 
-        try! wallet.sign(psbt: psbt)
+        let _ = try! wallet.sign(psbt: psbt)
 
         XCTAssertTrue(psbt.serialize().hasPrefix("cHNi"), "PSBT should start with cHNI")
     }

bdk-swift/Tests/BitcoinDevKitTests/LiveWalletTests.swift

@@ -1,17 +1,25 @@
 import XCTest
 @testable import BitcoinDevKit
 
-let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
-let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
 final class LiveWalletTests: XCTestCase {
+    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
+    )
     var dbFilePath: URL!
 
     override func setUpWithError() throws {
         super.setUp()
         let fileManager = FileManager.default
         let documentDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first!
-        let uniqueDbFileName = "bdk_persistence_\(UUID().uuidString).db"
+        let uniqueDbFileName = "bdk_persistence_\(UUID().uuidString).sqlite"
         dbFilePath = documentDirectory.appendingPathComponent(uniqueDbFileName)
 
         if fileManager.fileExists(atPath: dbFilePath.path) {
@@ -27,14 +35,9 @@ final class LiveWalletTests: XCTestCase {
     }
 
     func testSyncedBalance() throws {
-        let descriptor = try Descriptor(
-            descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
-            network: Network.signet
-        )
         let wallet = try Wallet(
             descriptor: descriptor,
-            changeDescriptor: nil,
-            persistenceBackendPath: dbFilePath.path,
+            changeDescriptor: changeDescriptor,
             network: .signet
         )
         let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
@@ -45,29 +48,28 @@ final class LiveWalletTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
 
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0))
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
         print("Transactions count: \(wallet.transactions().count)")
         let transactions = wallet.transactions().prefix(3)
         for tx in transactions {
             let sentAndReceived = wallet.sentAndReceived(tx: tx.transaction)
-            print("Transaction: \(tx.transaction.txid())")
-            print("Sent \(sentAndReceived.sent)")
-            print("Received \(sentAndReceived.received)")
+            print("Transaction: \(tx.transaction.computeTxid())")
+            print("Sent \(sentAndReceived.sent.toSat())")
+            print("Received \(sentAndReceived.received.toSat())")
         }
     }
     
     func testBroadcastTransaction() throws {
-        let descriptor = try Descriptor(
-            descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)",
-            network: Network.signet
-        )
         let wallet = try Wallet(
             descriptor: descriptor,
-            changeDescriptor: nil,
-            persistenceBackendPath: dbFilePath.path,
+            changeDescriptor: changeDescriptor,
             network: .signet
         )
         let esploraClient = EsploraClient(url: SIGNET_ESPLORA_URL)
@@ -78,16 +80,20 @@ final class LiveWalletTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
+        let address = wallet.revealNextAddress(keychain: KeychainKind.external).address.description
+        
+        XCTAssertGreaterThan(
+            wallet.balance().total.toSat(),
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0), "Wallet must have positive balance, please add funds")
-
-        print("Balance: \(wallet.getBalance().total)")
+        print("Balance: \(wallet.balance().total)")
 
         let recipient: Address = try Address(address: "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", network: .signet)
         let psbt: Psbt = try
             TxBuilder()
-                .addRecipient(script: recipient.scriptPubkey(), amount: 4200)
+            .addRecipient(script: recipient.scriptPubkey(), amount: Amount.fromSat(fromSat: 4200))
                 .feeRate(feeRate: FeeRate.fromSatPerVb(satPerVb: 2))
                 .finish(wallet: wallet)
 
@@ -98,8 +104,8 @@ final class LiveWalletTests: XCTestCase {
         XCTAssertTrue(walletDidSign, "Wallet did not sign transaction")
 
         let tx: Transaction = try! psbt.extractTx()
-        print(tx.txid())
-        let fee: UInt64 = try wallet.calculateFee(tx: tx)
+        print(tx.computeTxid())
+        let fee: Amount = try wallet.calculateFee(tx: tx)
         print("Transaction Fee: \(fee)")
         let feeRate: FeeRate = try wallet.calculateFeeRate(tx: tx)
         print("Transaction Fee Rate: \(feeRate.toSatPerVbCeil()) sat/vB")

bdk-swift/Tests/BitcoinDevKitTests/OfflineDescriptorTests.swift

@@ -15,6 +15,6 @@ final class OfflineDescriptorTests: XCTestCase {
             network: Network.testnet
         )
 
-        XCTAssertEqual(descriptor.asString(), "tr([be1eec8f/86'/1'/0']tpubDCTtszwSxPx3tATqDrsSyqScPNnUChwQAVAkanuDUCJQESGBbkt68nXXKRDifYSDbeMa2Xg2euKbXaU3YphvGWftDE7ozRKPriT6vAo3xsc/0/*)#m7puekcx")
+        XCTAssertEqual(descriptor.description, "tr([be1eec8f/86'/1'/0']tpubDCTtszwSxPx3tATqDrsSyqScPNnUChwQAVAkanuDUCJQESGBbkt68nXXKRDifYSDbeMa2Xg2euKbXaU3YphvGWftDE7ozRKPriT6vAo3xsc/0/*)#m7puekcx")
     }
 }

bdk-swift/Tests/BitcoinDevKitTests/OfflinePersistenceTests.swift

@@ -0,0 +1,43 @@
+import XCTest
+@testable import BitcoinDevKit
+
+final class OfflinePersistenceTests: XCTestCase {
+    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
+    )
+    var dbFilePath: URL!
+
+    override func setUpWithError() throws {
+        super.setUp()
+
+        guard let resourceUrl = Bundle.module.url(
+          forResource: "pre_existing_wallet_persistence_test",
+          withExtension: "sqlite"
+        ) else {
+            print("error finding resourceURL")
+            return
+        }
+        dbFilePath = resourceUrl
+    }
+
+    func testPersistence() throws {
+        let sqliteStore = try! SqliteStore(path: dbFilePath.path)
+        let initialChangeSet = try! sqliteStore.read()
+        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)
+    }
+}

bdk-swift/Tests/BitcoinDevKitTests/OfflineWalletTests.swift

@@ -2,13 +2,21 @@ import XCTest
 @testable import BitcoinDevKit
 
 final class OfflineWalletTests: XCTestCase {
+    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
+    )
     var dbFilePath: URL!
 
     override func setUpWithError() throws {
         super.setUp()
         let fileManager = FileManager.default
         let documentDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first!
-        let uniqueDbFileName = "bdk_persistence_\(UUID().uuidString).db"
+        let uniqueDbFileName = "bdk_persistence_\(UUID().uuidString).sqlite"
         dbFilePath = documentDirectory.appendingPathComponent(uniqueDbFileName)
 
         if fileManager.fileExists(atPath: dbFilePath.path) {
@@ -24,17 +32,12 @@ final class OfflineWalletTests: XCTestCase {
     }
 
     func testNewAddress() throws {
-        let descriptor: Descriptor = try Descriptor(
-            descriptor: "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            network: Network.testnet
-        )
         let wallet = try Wallet(
             descriptor: descriptor,
-            changeDescriptor: nil,
-            persistenceBackendPath: dbFilePath.path,
+            changeDescriptor: changeDescriptor,
             network: .testnet
         )
-        let addressInfo: AddressInfo = try wallet.revealNextAddress(keychain: KeychainKind.external)
+        let addressInfo: AddressInfo = wallet.revealNextAddress(keychain: KeychainKind.external)
 
         XCTAssertTrue(addressInfo.address.isValidForNetwork(network: Network.testnet),
                      "Address is not valid for testnet network")
@@ -45,21 +48,16 @@ final class OfflineWalletTests: XCTestCase {
         XCTAssertFalse(addressInfo.address.isValidForNetwork(network: Network.bitcoin),
                       "Address is valid for bitcoin network, but it shouldn't be")
 
-        XCTAssertEqual(addressInfo.address.asString(), "tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e")
+        XCTAssertEqual(addressInfo.address.description, "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989")
     }
     
     func testBalance() throws {
-        let descriptor: Descriptor = try Descriptor(
-            descriptor: "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)",
-            network: Network.testnet
-        )
         let wallet = try Wallet(
             descriptor: descriptor,
-            changeDescriptor: nil,
-            persistenceBackendPath: dbFilePath.path,
+            changeDescriptor: changeDescriptor,
             network: .testnet
         )
 
-        XCTAssertEqual(wallet.getBalance().total, 0)
+        XCTAssertEqual(wallet.balance().total.toSat(), 0)
     }
 }

bdk-swift/bdkFFI.xcframework/Info.plist

@@ -1,59 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>AvailableLibraries</key>
-	<array>
-		<dict>
-			<key>LibraryIdentifier</key>
-			<string>macos-arm64_x86_64</string>
-			<key>LibraryPath</key>
-			<string>bdkFFI.framework</string>
-			<key>SupportedArchitectures</key>
-			<array>
-				<string>arm64</string>
-				<string>x86_64</string>
-			</array>
-			<key>SupportedPlatform</key>
-			<string>macos</string>
-			<key>LSMinimumSystemVersion</key>
-    			<string>12.0</string>
-		</dict>
-		<dict>
-			<key>LibraryIdentifier</key>
-			<string>ios-arm64_x86_64-simulator</string>
-			<key>LibraryPath</key>
-			<string>bdkFFI.framework</string>
-			<key>SupportedArchitectures</key>
-			<array>
-				<string>arm64</string>
-				<string>x86_64</string>
-			</array>
-			<key>SupportedPlatform</key>
-			<string>ios</string>
-			<key>SupportedPlatformVariant</key>
-			<string>simulator</string>
-			<key>MinimumOSVersion</key>
-    			<string>15.0</string>
-		</dict>
-		<dict>
-			<key>LibraryIdentifier</key>
-			<string>ios-arm64</string>
-			<key>LibraryPath</key>
-			<string>bdkFFI.framework</string>
-			<key>SupportedArchitectures</key>
-			<array>
-				<string>arm64</string>
-			</array>
-			<key>SupportedPlatform</key>
-			<string>ios</string>
-			<key>MinimumOSVersion</key>
-    			<string>15.0</string>
-		</dict>
-	</array>
-	<key>CFBundlePackageType</key>
-	<string>XFWK</string>
-	<key>XCFrameworkFormatVersion</key>
-	<string>1.0</string>
-</dict>
-</plist>

bdk-swift/bdkFFI.xcframework/ios-arm64/bdkFFI.framework/Headers/bdkFFI-umbrella.h

@@ -1,4 +0,0 @@
-// This is the "umbrella header" for our combined Rust code library.
-// It needs to import all of the individual headers.
-
-#import "bdkFFI.h"

bdk-swift/bdkFFI.xcframework/ios-arm64/bdkFFI.framework/Info.plist

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-    <key>CFBundleIdentifier</key>
-    <string>com.bitcoindevkit.bdkFFI</string>
-    <key>CFBundleName</key>
-    <string>bdkFFI</string>
-    <key>CFBundleVersion</key>
-    <string>1.0.0</string>
-    <key>CFBundleShortVersionString</key>
-    <string>1.0.0</string>
-    <key>CFBundleExecutable</key>
-    <string>bdkFFI</string>
-    <key>MinimumOSVersion</key>
-    <string>100</string>
-</dict>
-</plist>

bdk-swift/bdkFFI.xcframework/ios-arm64/bdkFFI.framework/Modules/module.modulemap

@@ -1,6 +0,0 @@
-framework module bdkFFI {
-  umbrella header "bdkFFI-umbrella.h"
-
-  export *
-  module * { export * }
-}

bdk-swift/bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/Headers/bdkFFI-umbrella.h

@@ -1,4 +0,0 @@
-// This is the "umbrella header" for our combined Rust code library.
-// It needs to import all of the individual headers.
-
-#import "bdkFFI.h"

bdk-swift/bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/Info.plist

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-    <key>CFBundleIdentifier</key>
-    <string>com.bitcoindevkit.bdkFFI</string>
-    <key>CFBundleName</key>
-    <string>bdkFFI</string>
-    <key>CFBundleVersion</key>
-    <string>1.0.0</string>
-    <key>CFBundleShortVersionString</key>
-    <string>1.0.0</string>
-    <key>CFBundleExecutable</key>
-    <string>bdkFFI</string>
-    <key>MinimumOSVersion</key>
-    <string>15.0</string>
-</dict>
-</plist>

bdk-swift/bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/Modules/module.modulemap

@@ -1,6 +0,0 @@
-framework module bdkFFI {
-  umbrella header "bdkFFI-umbrella.h"
-
-  export *
-  module * { export * }
-}

bdk-swift/bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Headers/bdkFFI-umbrella.h

@@ -1,4 +0,0 @@
-// This is the "umbrella header" for our combined Rust code library.
-// It needs to import all of the individual headers.
-
-#import "bdkFFI.h"

bdk-swift/bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Info.plist

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-    <key>CFBundleIdentifier</key>
-    <string>com.bitcoindevkit.bdkFFI</string>
-    <key>CFBundleName</key>
-    <string>bdkFFI</string>
-    <key>CFBundleVersion</key>
-    <string>1.0.0</string>
-    <key>CFBundleShortVersionString</key>
-    <string>1.0.0</string>
-    <key>CFBundleExecutable</key>
-    <string>bdkFFI</string>
-    <key>LSMinimumSystemVersion</key>
-    <string>12.0</string>
-</dict>
-</plist>

bdk-swift/bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Modules/module.modulemap

@@ -1,6 +0,0 @@
-framework module bdkFFI {
-  umbrella header "bdkFFI-umbrella.h"
-
-  export *
-  module * { export * }
-}

bdk-swift/build-xcframework.sh

@@ -3,6 +3,16 @@
 # The results of this script can be used for locally testing your SPM package adding a local package
 # to your application pointing at the bdk-swift directory.
 
+HEADERPATH="Sources/BitcoinDevKit/BitcoinDevKitFFI.h"
+MODMAPPATH="Sources/BitcoinDevKit/BitcoinDevKitFFI.modulemap"
+TARGETDIR="../bdk-ffi/target"
+OUTDIR="."
+RELDIR="release-smaller"
+NAME="bdkffi"
+STATIC_LIB_NAME="lib${NAME}.a"
+NEW_HEADER_DIR="../bdk-ffi/target/include"
+
+# set required rust version and install component and targets
 rustup default 1.77.1
 rustup component add rust-src
 rustup target add aarch64-apple-ios      # iOS arm64
@@ -13,26 +23,38 @@ rustup target add x86_64-apple-darwin    # mac x86_64
 
 cd ../bdk-ffi/ || exit
 
+# build bdk-ffi rust lib for apple targets
 cargo build --package bdk-ffi --profile release-smaller --target x86_64-apple-darwin
 cargo build --package bdk-ffi --profile release-smaller --target aarch64-apple-darwin
 cargo build --package bdk-ffi --profile release-smaller --target x86_64-apple-ios
 cargo build --package bdk-ffi --profile release-smaller --target aarch64-apple-ios
 cargo build --package bdk-ffi --profile release-smaller --target aarch64-apple-ios-sim
 
+# build bdk-ffi Swift bindings and put in bdk-swift Sources
 cargo run --bin uniffi-bindgen generate --library ./target/aarch64-apple-ios/release-smaller/libbdkffi.dylib --language swift --out-dir ../bdk-swift/Sources/BitcoinDevKit --no-format
 
+# combine bdk-ffi static libs for aarch64 and x86_64 targets via lipo tool
 mkdir -p target/lipo-ios-sim/release-smaller
 lipo target/aarch64-apple-ios-sim/release-smaller/libbdkffi.a target/x86_64-apple-ios/release-smaller/libbdkffi.a -create -output target/lipo-ios-sim/release-smaller/libbdkffi.a
 mkdir -p target/lipo-macos/release-smaller
 lipo target/aarch64-apple-darwin/release-smaller/libbdkffi.a target/x86_64-apple-darwin/release-smaller/libbdkffi.a -create -output target/lipo-macos/release-smaller/libbdkffi.a
 
 cd ../bdk-swift/ || exit
-mv Sources/BitcoinDevKit/bdk.swift Sources/BitcoinDevKit/BitcoinDevKit.swift
-cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/ios-arm64/bdkFFI.framework/Headers
-cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/Headers
-cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Headers
-cp ../bdk-ffi/target/aarch64-apple-ios/release-smaller/libbdkffi.a bdkFFI.xcframework/ios-arm64/bdkFFI.framework/bdkFFI
-cp ../bdk-ffi/target/lipo-ios-sim/release-smaller/libbdkffi.a bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/bdkFFI
-cp ../bdk-ffi/target/lipo-macos/release-smaller/libbdkffi.a bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/bdkFFI
-rm Sources/BitcoinDevKit/bdkFFI.h
-rm Sources/BitcoinDevKit/bdkFFI.modulemap
+
+# move bdk-ffi static lib header files to temporary directory
+mkdir -p "${NEW_HEADER_DIR}"
+mv "${HEADERPATH}" "${NEW_HEADER_DIR}"
+mv "${MODMAPPATH}" "${NEW_HEADER_DIR}/module.modulemap"
+
+# remove old xcframework directory
+rm -rf "${OUTDIR}/${NAME}.xcframework"
+
+# create new xcframework directory from bdk-ffi static libs and headers
+xcodebuild -create-xcframework \
+    -library "${TARGETDIR}/lipo-macos/${RELDIR}/${STATIC_LIB_NAME}" \
+    -headers "${NEW_HEADER_DIR}" \
+    -library "${TARGETDIR}/aarch64-apple-ios/${RELDIR}/${STATIC_LIB_NAME}" \
+    -headers "${NEW_HEADER_DIR}" \
+    -library "${TARGETDIR}/lipo-ios-sim/${RELDIR}/${STATIC_LIB_NAME}" \
+    -headers "${NEW_HEADER_DIR}" \
+    -output "${OUTDIR}/${NAME}.xcframework"

bdk-swift/justfile

@@ -2,7 +2,7 @@ default:
   just --list
 
 build:
-  bash ./build-local-swift.sh
+  bash ./build-xcframework.sh
 
 clean:
   rm -rf ../bdk-ffi/target/
@@ -11,4 +11,4 @@ test:
   swift test
 
 test-offline:
-  swift test --skip LiveWalletTests --skip LiveTxBuilderTests
+  swift test --skip LiveElectrumClientTests --skip LiveMemoryWalletTests --skip LiveTransactionTests --skip LiveTxBuilderTests --skip LiveWalletTests