From e50f8befeafaa2ac45742f86db3ed5ff984e9b6f Mon Sep 17 00:00:00 2001
From: thunderbiscuit <thunderbiscuit@protonmail.com>
Date: Mon, 25 Sep 2023 11:30:22 -0400
Subject: [PATCH] Temp 5: hello world library working on JVM

---
 bdk-ffi/src/bdk.udl                           |   4 +-
 bdk-ffi/src/lib.rs                            |   8 +-
 bdk-ffi/src/wallet.rs                         |   4 +
 .../kotlin/org/bitcoindevkit/JvmLibTest.kt    | 128 ++++++++++--------
 .../bitcoindevkit/plugins/UniFfiJvmPlugin.kt  |  14 +-
 5 files changed, 93 insertions(+), 65 deletions(-)

diff --git a/bdk-ffi/src/bdk.udl b/bdk-ffi/src/bdk.udl
index c562e1ee..a94b250e 100644
--- a/bdk-ffi/src/bdk.udl
+++ b/bdk-ffi/src/bdk.udl
@@ -1 +1,3 @@
-namespace bdk {};
+namespace bdk {
+  string hello_world();
+};
diff --git a/bdk-ffi/src/lib.rs b/bdk-ffi/src/lib.rs
index dcdd0da3..8be20ac2 100644
--- a/bdk-ffi/src/lib.rs
+++ b/bdk-ffi/src/lib.rs
@@ -46,8 +46,12 @@ mod wallet;
 // use std::str::FromStr;
 // use std::sync::Arc;
 //
-// uniffi::include_scaffolding!("bdk");
-//
+uniffi::include_scaffolding!("bdk");
+
+pub fn hello_world() -> String {
+    String::from("Hello World")
+}
+
 // /// A output script and an amount of satoshis.
 // pub struct ScriptAmount {
 //     pub script: Arc<Script>,
diff --git a/bdk-ffi/src/wallet.rs b/bdk-ffi/src/wallet.rs
index 363883c9..35253ccf 100644
--- a/bdk-ffi/src/wallet.rs
+++ b/bdk-ffi/src/wallet.rs
@@ -28,6 +28,10 @@
 //     RbfValue, Script, ScriptAmount, TransactionDetails, TxBuilderResult,
 // };
 //
+
+// pub fn hello_world() -> String {
+//     String::from("Hello World")
+// }
 // #[derive(Debug)]
 // pub(crate) struct Wallet {
 //     pub(crate) inner: BdkWallet,
diff --git a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/JvmLibTest.kt b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/JvmLibTest.kt
index b9d06d8c..4b4416d0 100644
--- a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/JvmLibTest.kt
+++ b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/JvmLibTest.kt
@@ -6,68 +6,76 @@ import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 import java.io.File
 import java.nio.file.Files
+import org.bitcoindevkit.helloWorld
 
-/**
- * Library test, which will execute on linux host.
- */
 class JvmLibTest {
-
-    private fun getTestDataDir(): String {
-        return Files.createTempDirectory("bdk-test").toString()
-    }
-
-    private fun cleanupTestDataDir(testDataDir: String) {
-        File(testDataDir).deleteRecursively()
-    }
-
-    class LogProgress : Progress {
-        private val log: Logger = LoggerFactory.getLogger(JvmLibTest::class.java)
-
-        override fun update(progress: Float, message: String?) {
-            log.debug("Syncing...")
-        }
-    }
-
-    private val descriptor = Descriptor("wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)", Network.TESTNET)
-
-    private val databaseConfig = DatabaseConfig.Memory
-
-    private val blockchainConfig = BlockchainConfig.Electrum(
-        ElectrumConfig(
-            "ssl://electrum.blockstream.info:60002",
-            null,
-            5u,
-            null,
-            100u,
-            true,
-        )
-    )
-
-    @Test
-    fun memoryWalletNewAddress() {
-        val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
-        val address = wallet.getAddress(AddressIndex.New).address.asString()
-        assertEquals("tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e", address)
-    }
-
     @Test
-    fun memoryWalletSyncGetBalance() {
-        val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
-        val blockchain = Blockchain(blockchainConfig)
-        wallet.sync(blockchain, LogProgress())
-        val balance: Balance = wallet.getBalance()
-        assertTrue(balance.total > 0u)
-    }
-
-    @Test
-    fun sqliteWalletSyncGetBalance() {
-        val testDataDir = getTestDataDir() + "/bdk-wallet.sqlite"
-        val databaseConfig = DatabaseConfig.Sqlite(SqliteDbConfiguration(testDataDir))
-        val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
-        val blockchain = Blockchain(blockchainConfig)
-        wallet.sync(blockchain, LogProgress())
-        val balance: Balance = wallet.getBalance()
-        assertTrue(balance.total > 0u)
-        cleanupTestDataDir(testDataDir)
+    fun testHelloWorld() {
+        val message = helloWorld()
+        assertEquals("Hello World", message)
     }
 }
+/**
+ * Library test, which will execute on linux host.
+ */
+// class JvmLibTest {
+//
+//     private fun getTestDataDir(): String {
+//         return Files.createTempDirectory("bdk-test").toString()
+//     }
+//
+//     private fun cleanupTestDataDir(testDataDir: String) {
+//         File(testDataDir).deleteRecursively()
+//     }
+//
+//     class LogProgress : Progress {
+//         private val log: Logger = LoggerFactory.getLogger(JvmLibTest::class.java)
+//
+//         override fun update(progress: Float, message: String?) {
+//             log.debug("Syncing...")
+//         }
+//     }
+//
+//     private val descriptor = Descriptor("wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)", Network.TESTNET)
+//
+//     private val databaseConfig = DatabaseConfig.Memory
+//
+//     private val blockchainConfig = BlockchainConfig.Electrum(
+//         ElectrumConfig(
+//             "ssl://electrum.blockstream.info:60002",
+//             null,
+//             5u,
+//             null,
+//             100u,
+//             true,
+//         )
+//     )
+//
+//     @Test
+//     fun memoryWalletNewAddress() {
+//         val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
+//         val address = wallet.getAddress(AddressIndex.New).address.asString()
+//         assertEquals("tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e", address)
+//     }
+//
+//     @Test
+//     fun memoryWalletSyncGetBalance() {
+//         val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
+//         val blockchain = Blockchain(blockchainConfig)
+//         wallet.sync(blockchain, LogProgress())
+//         val balance: Balance = wallet.getBalance()
+//         assertTrue(balance.total > 0u)
+//     }
+//
+//     @Test
+//     fun sqliteWalletSyncGetBalance() {
+//         val testDataDir = getTestDataDir() + "/bdk-wallet.sqlite"
+//         val databaseConfig = DatabaseConfig.Sqlite(SqliteDbConfiguration(testDataDir))
+//         val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
+//         val blockchain = Blockchain(blockchainConfig)
+//         wallet.sync(blockchain, LogProgress())
+//         val balance: Balance = wallet.getBalance()
+//         assertTrue(balance.total > 0u)
+//         cleanupTestDataDir(testDataDir)
+//     }
+// }
diff --git a/bdk-jvm/plugins/src/main/kotlin/org/bitcoindevkit/plugins/UniFfiJvmPlugin.kt b/bdk-jvm/plugins/src/main/kotlin/org/bitcoindevkit/plugins/UniFfiJvmPlugin.kt
index 387b9748..253ec82c 100644
--- a/bdk-jvm/plugins/src/main/kotlin/org/bitcoindevkit/plugins/UniFfiJvmPlugin.kt
+++ b/bdk-jvm/plugins/src/main/kotlin/org/bitcoindevkit/plugins/UniFfiJvmPlugin.kt
@@ -108,8 +108,18 @@ internal class UniFfiJvmPlugin : Plugin<Project> {
 
             dependsOn(moveNativeJvmLibs)
 
-            workingDir("${project.projectDir}/../../bdk-ffi")
-            val cargoArgs: List<String> = listOf("run", "--bin", "uniffi-bindgen", "generate", "src/bdk.udl", "--language", "kotlin", "--out-dir", "../bdk-jvm/lib/src/main/kotlin", "--no-format")
+            // TODO: Is the Windows name the correct one?
+            // TODO: This will not work on mac Intel (x86_64 architecture)
+            val libraryPath = when (operatingSystem) {
+                OS.LINUX   -> "./target/x86_64-unknown-linux-gnu/release-smaller/libbdkffi.so"
+                OS.MAC     -> "./target/aarch64-apple-darwin/release-smaller/libbdkffi.dylib"
+                OS.WINDOWS -> "./target/x86_64-pc-windows-msvc/release-smaller/bdkffi.dll"
+                else       -> throw Exception("Unsupported OS")
+            }
+
+            // workingDir("${project.projectDir}/../../bdk-ffi")
+            workingDir("${project.projectDir}/../../")
+            val cargoArgs: List<String> = listOf("run", "--bin", "uniffi-bindgen", "generate", "--library", libraryPath, "--language", "kotlin", "--out-dir", "./bdk-jvm/lib/src/main/kotlin/", "--no-format")
 
             executable("cargo")
             args(cargoArgs)