Allow using configs for database

This commit is contained in:
Sudarsan Balaji 2021-10-14 04:23:17 +05:30
parent 23c17ca841
commit 6f01c38a71
4 changed files with 150 additions and 21 deletions

View File

@ -44,15 +44,15 @@ open class RustBuffer : Structure() {
companion object {
internal fun alloc(size: Int = 0) = rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_a71d_rustbuffer_alloc(size, status)
_UniFFILib.INSTANCE.ffi_bdk_f91_rustbuffer_alloc(size, status)
}
internal fun free(buf: RustBuffer.ByValue) = rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_a71d_rustbuffer_free(buf, status)
_UniFFILib.INSTANCE.ffi_bdk_f91_rustbuffer_free(buf, status)
}
internal fun reserve(buf: RustBuffer.ByValue, additional: Int) = rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_a71d_rustbuffer_reserve(buf, additional, status)
_UniFFILib.INSTANCE.ffi_bdk_f91_rustbuffer_reserve(buf, additional, status)
}
}
@ -247,6 +247,18 @@ internal fun String.write(buf: RustBufferBuilder) {
@ -283,31 +295,31 @@ internal interface _UniFFILib : Library {
}
}
fun ffi_bdk_a71d_OfflineWallet_object_free(ptr: Pointer,
fun ffi_bdk_f91_OfflineWallet_object_free(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_a71d_OfflineWallet_new(descriptor: RustBuffer.ByValue,
fun bdk_f91_OfflineWallet_new(descriptor: RustBuffer.ByValue,database_config: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Pointer
fun bdk_a71d_OfflineWallet_get_new_address(ptr: Pointer,
fun bdk_f91_OfflineWallet_get_new_address(ptr: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_a71d_rustbuffer_alloc(size: Int,
fun ffi_bdk_f91_rustbuffer_alloc(size: Int,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_a71d_rustbuffer_from_bytes(bytes: ForeignBytes.ByValue,
fun ffi_bdk_f91_rustbuffer_from_bytes(bytes: ForeignBytes.ByValue,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_a71d_rustbuffer_free(buf: RustBuffer.ByValue,
fun ffi_bdk_f91_rustbuffer_free(buf: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Unit
fun ffi_bdk_a71d_rustbuffer_reserve(buf: RustBuffer.ByValue,additional: Int,
fun ffi_bdk_f91_rustbuffer_reserve(buf: RustBuffer.ByValue,additional: Int,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
@ -481,6 +493,66 @@ abstract class FFIObject(
// Public interface members begin here.
// Public facing enums
sealed class DatabaseConfig {
data class Memory(
val junk: String
) : DatabaseConfig()
data class Sled(
val configuration: SledDbConfiguration
) : DatabaseConfig()
companion object {
internal fun lift(rbuf: RustBuffer.ByValue): DatabaseConfig {
return liftFromRustBuffer(rbuf) { buf -> DatabaseConfig.read(buf) }
}
internal fun read(buf: ByteBuffer): DatabaseConfig {
return when(buf.getInt()) {
1 -> DatabaseConfig.Memory(
String.read(buf)
)
2 -> DatabaseConfig.Sled(
SledDbConfiguration.read(buf)
)
else -> throw RuntimeException("invalid enum value, something is very wrong!!")
}
}
}
internal fun lower(): RustBuffer.ByValue {
return lowerIntoRustBuffer(this, {v, buf -> v.write(buf)})
}
internal fun write(buf: RustBufferBuilder) {
when(this) {
is DatabaseConfig.Memory -> {
buf.putInt(1)
this.junk.write(buf)
}
is DatabaseConfig.Sled -> {
buf.putInt(2)
this.configuration.write(buf)
}
}.let { /* this makes the `when` an expression, which ensures it is exhaustive */ }
}
}
// Error definitions
@Structure.FieldOrder("code", "error_buf")
internal open class RustCallStatus : Structure() {
@ -649,6 +721,39 @@ private inline fun <U> rustCall(callback: (RustCallStatus) -> U): U {
// Public facing records
data class SledDbConfiguration (
var path: String,
var treeName: String
) {
companion object {
internal fun lift(rbuf: RustBuffer.ByValue): SledDbConfiguration {
return liftFromRustBuffer(rbuf) { buf -> SledDbConfiguration.read(buf) }
}
internal fun read(buf: ByteBuffer): SledDbConfiguration {
return SledDbConfiguration(
String.read(buf),
String.read(buf)
)
}
}
internal fun lower(): RustBuffer.ByValue {
return lowerIntoRustBuffer(this, {v, buf -> v.write(buf)})
}
internal fun write(buf: RustBufferBuilder) {
this.path.write(buf)
this.treeName.write(buf)
}
}
// Namespace functions
@ -664,10 +769,10 @@ public interface OfflineWalletInterface {
class OfflineWallet(
pointer: Pointer
) : FFIObject(pointer), OfflineWalletInterface {
constructor(descriptor: String ) :
constructor(descriptor: String, databaseConfig: DatabaseConfig ) :
this(
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_a71d_OfflineWallet_new(descriptor.lower() ,status)
_UniFFILib.INSTANCE.bdk_f91_OfflineWallet_new(descriptor.lower(), databaseConfig.lower() ,status)
})
/**
@ -680,7 +785,7 @@ class OfflineWallet(
*/
override protected fun freeRustArcPtr() {
rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_a71d_OfflineWallet_object_free(this.pointer, status)
_UniFFILib.INSTANCE.ffi_bdk_f91_OfflineWallet_object_free(this.pointer, status)
}
}
@ -695,7 +800,7 @@ class OfflineWallet(
override fun getNewAddress(): String =
callWithPointer {
rustCall() { status ->
_UniFFILib.INSTANCE.bdk_a71d_OfflineWallet_get_new_address(it, status)
_UniFFILib.INSTANCE.bdk_f91_OfflineWallet_get_new_address(it, status)
}
}.let {
String.lift(it)

View File

@ -14,7 +14,8 @@ class LibTest {
@Test
fun walletNewAddress() {
val wallet = OfflineWallet(desc)
val config = DatabaseConfig.Memory("")
val wallet = OfflineWallet(desc, config)
val address = wallet.getNewAddress()
assertNotNull(address)
assertEquals(address, "bcrt1qzg4mckdh50nwdm9hkzq06528rsu73hjxytqkxs")
@ -22,6 +23,7 @@ class LibTest {
@Test(expected=BdkException.Descriptor::class)
fun invalidDescriptorExceptionIsThrown() {
OfflineWallet("invalid-descriptor")
val config = DatabaseConfig.Memory("")
OfflineWallet("invalid-descriptor", config)
}
}

View File

@ -44,8 +44,19 @@ enum BdkError {
"Sled",
};
dictionary SledDbConfiguration {
string path;
string tree_name;
};
[Enum]
interface DatabaseConfig {
Memory(string junk);
Sled(SledDbConfiguration configuration);
};
interface OfflineWallet {
[Throws=BdkError]
constructor(string descriptor);
constructor(string descriptor, DatabaseConfig database_config);
string get_new_address();
};

View File

@ -1,5 +1,6 @@
use bdk::bitcoin::Network;
use bdk::database::MemoryDatabase;
use bdk::database::any::{AnyDatabase, SledDbConfiguration};
use bdk::database::{AnyDatabaseConfig, ConfigurableDatabase};
use bdk::wallet::AddressIndex;
use bdk::Error;
use bdk::Wallet;
@ -8,14 +9,24 @@ use std::sync::Mutex;
type BdkError = Error;
pub enum DatabaseConfig {
Memory { junk: String },
Sled { configuration: SledDbConfiguration },
}
uniffi_macros::include_scaffolding!("bdk");
struct OfflineWallet {
wallet: Mutex<Wallet<(), MemoryDatabase>>,
wallet: Mutex<Wallet<(), AnyDatabase>>,
}
impl OfflineWallet {
fn new(descriptor: String) -> Result<Self, BdkError> {
let database = MemoryDatabase::default();
fn new(descriptor: String, database_config: DatabaseConfig) -> Result<Self, BdkError> {
let any_database_config = match database_config {
DatabaseConfig::Memory { .. } => AnyDatabaseConfig::Memory(()),
DatabaseConfig::Sled { configuration } => AnyDatabaseConfig::Sled(configuration),
};
let database = AnyDatabase::from_config(&any_database_config)?;
let wallet = Mutex::new(Wallet::new_offline(
&descriptor,
None,