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Merge pull request #18 from notmandatory/allow-listing-transactions

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Allow listing confirmed transactions
This commit is contained in:
Sudarsan Balaji 2021-10-17 03:19:42 +05:30 committed by GitHub
commit 9b4419088c
4 changed files with 288 additions and 69 deletions
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62
bindings/bdk-kotlin/demo/src/main/kotlin/Main.kt
View File

@ -1,40 +1,60 @@
import uniffi.bdk.*
class LogProgress: BdkProgress {
override fun update(progress: Float, message: String? ) {
println("progress: $progress, message: $message")
class LogProgress : BdkProgress {
override fun update(progress: Float, message: String?) {
println("Syncing..")
}
}
class NullProgress : BdkProgress {
override fun update(progress: Float, message: String?) {}
}
fun getConfirmedTransaction(
wallet: OnlineWalletInterface,
transactionId: String
): ConfirmedTransaction? {
wallet.sync(NullProgress(), null)
return wallet.getTransactions()
.stream()
.filter({ it.id.equals(transactionId) })
.findFirst()
.orElse(null)
}
fun main(args: Array<String>) {
println("Configuring an in-memory wallet on electrum..")
val descriptor =
"pkh(cSQPHDBwXGjVzWRqAHm6zfvQhaTuj1f2bFH58h55ghbjtFwvmeXR)";
val amount = 1000uL;
val recipient = "tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt";
val descriptor = "pkh(cSQPHDBwXGjVzWRqAHm6zfvQhaTuj1f2bFH58h55ghbjtFwvmeXR)"
val amount = 1000uL
val recipient = "tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt"
val db = DatabaseConfig.Memory("")
val client = BlockchainConfig.Electrum(ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u))
val client =
BlockchainConfig.Electrum(
ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u)
)
val wallet = OnlineWallet(descriptor, Network.TESTNET, db, client)
val address = wallet.getNewAddress()
println("Please send $amount satoshis to address: $address")
readLine()
println("Syncing...")
wallet.sync(LogProgress(), null)
val balance = wallet.getBalance()
println("New wallet balance: $balance")
println("Initial wallet balance: ${wallet.getBalance()}")
println("Please send $amount satoshis to address: ${wallet.getNewAddress()}")
readLine()
wallet.sync(LogProgress(), null)
println("New wallet balance: ${wallet.getBalance()}")
println("Press Enter to return funds")
readLine()
println("Creating a partially signed bitcoin transaction with recipient $recipient and amount $amount satoshis...")
println(
"Creating a PSBT with recipient $recipient and amount $amount satoshis..."
)
val transaction = PartiallySignedBitcoinTransaction(wallet, recipient, amount)
println("Signing the transaction...")
wallet.sign(transaction)
println("Broadcasting the signed transaction...")
val transactionId = wallet.broadcast(transaction)
println("Refunded $amount satoshis to $recipient via transaction id $transactionId")
println("Syncing...")
wallet.sync(LogProgress(), null)
val final_balance = wallet.getBalance()
println("New wallet balance: $final_balance")
println("Press Enter to exit")
readLine()
println("Confirming transaction...")
var confirmedTransaction = getConfirmedTransaction(wallet, transactionId)
while (confirmedTransaction == null) {
confirmedTransaction = getConfirmedTransaction(wallet, transactionId)
}
println("Confirmed transaction: $confirmedTransaction")
println("Final wallet balance: ${wallet.getBalance()}")
}

256
bindings/bdk-kotlin/jvm/src/main/kotlin/uniffi/bdk/bdk.kt
View File

@ -44,15 +44,15 @@ open class RustBuffer : Structure() {
companion object {
internal fun alloc(size: Int = 0) = rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_70ef_rustbuffer_alloc(size, status)
_UniFFILib.INSTANCE.ffi_bdk_1945_rustbuffer_alloc(size, status)
}
internal fun free(buf: RustBuffer.ByValue) = rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_70ef_rustbuffer_free(buf, status)
_UniFFILib.INSTANCE.ffi_bdk_1945_rustbuffer_free(buf, status)
}
internal fun reserve(buf: RustBuffer.ByValue, additional: Int) = rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_70ef_rustbuffer_reserve(buf, additional, status)
_UniFFILib.INSTANCE.ffi_bdk_1945_rustbuffer_reserve(buf, additional, status)
}
}
@ -398,6 +398,12 @@ internal fun String.write(buf: RustBufferBuilder) {
@ -483,6 +489,45 @@ internal fun writeOptionalu32(v: UInt?, buf: RustBufferBuilder) {
// Helper functions for pasing values of type ULong?
@ExperimentalUnsignedTypes
internal fun liftOptionalu64(rbuf: RustBuffer.ByValue): ULong? {
return liftFromRustBuffer(rbuf) { buf ->
readOptionalu64(buf)
}
}
@ExperimentalUnsignedTypes
internal fun readOptionalu64(buf: ByteBuffer): ULong? {
if (buf.get().toInt() == 0) {
return null
}
return ULong.read(buf)
}
@ExperimentalUnsignedTypes
internal fun lowerOptionalu64(v: ULong?): RustBuffer.ByValue {
return lowerIntoRustBuffer(v) { v, buf ->
writeOptionalu64(v, buf)
}
}
@ExperimentalUnsignedTypes
internal fun writeOptionalu64(v: ULong?, buf: RustBufferBuilder) {
if (v == null) {
buf.putByte(0)
} else {
buf.putByte(1)
v.write(buf)
}
}
// Helper functions for pasing values of type String?
internal fun liftOptionalstring(rbuf: RustBuffer.ByValue): String? {
@ -519,6 +564,44 @@ internal fun writeOptionalstring(v: String?, buf: RustBufferBuilder) {
// Helper functions for pasing values of type List<ConfirmedTransaction>
@ExperimentalUnsignedTypes
internal fun liftSequenceTypeConfirmedTransaction(rbuf: RustBuffer.ByValue): List<ConfirmedTransaction> {
return liftFromRustBuffer(rbuf) { buf ->
readSequenceTypeConfirmedTransaction(buf)
}
}
@ExperimentalUnsignedTypes
internal fun readSequenceTypeConfirmedTransaction(buf: ByteBuffer): List<ConfirmedTransaction> {
val len = buf.getInt()
return List<ConfirmedTransaction>(len) {
ConfirmedTransaction.read(buf)
}
}
@ExperimentalUnsignedTypes
internal fun lowerSequenceTypeConfirmedTransaction(v: List<ConfirmedTransaction>): RustBuffer.ByValue {
return lowerIntoRustBuffer(v) { v, buf ->
writeSequenceTypeConfirmedTransaction(v, buf)
}
}
@ExperimentalUnsignedTypes
internal fun writeSequenceTypeConfirmedTransaction(v: List<ConfirmedTransaction>, buf: RustBufferBuilder) {
buf.putInt(v.size)
v.forEach {
it.write(buf)
}
}
@Synchronized
fun findLibraryName(componentName: String): String {
val libOverride = System.getProperty("uniffi.component.${componentName}.libraryOverride")
@ -548,83 +631,91 @@ internal interface _UniFFILib : Library {
}
}
fun ffi_bdk_70ef_OfflineWallet_object_free(ptr: Pointer,
fun ffi_bdk_1945_OfflineWallet_object_free(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_70ef_OfflineWallet_new(descriptor: RustBuffer.ByValue,network: RustBuffer.ByValue,database_config: RustBuffer.ByValue,
fun bdk_1945_OfflineWallet_new(descriptor: RustBuffer.ByValue,network: RustBuffer.ByValue,database_config: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Pointer
fun bdk_70ef_OfflineWallet_get_new_address(ptr: Pointer,
fun bdk_1945_OfflineWallet_get_new_address(ptr: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun bdk_70ef_OfflineWallet_get_balance(ptr: Pointer,
fun bdk_1945_OfflineWallet_get_balance(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Long
fun bdk_70ef_OfflineWallet_sign(ptr: Pointer,psbt: Pointer,
fun bdk_1945_OfflineWallet_sign(ptr: Pointer,psbt: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun ffi_bdk_70ef_OnlineWallet_object_free(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_70ef_OnlineWallet_new(descriptor: RustBuffer.ByValue,network: RustBuffer.ByValue,database_config: RustBuffer.ByValue,blockchain_config: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Pointer
fun bdk_70ef_OnlineWallet_get_new_address(ptr: Pointer,
fun bdk_1945_OfflineWallet_get_transactions(ptr: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun bdk_70ef_OnlineWallet_get_balance(ptr: Pointer,
fun ffi_bdk_1945_OnlineWallet_object_free(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_1945_OnlineWallet_new(descriptor: RustBuffer.ByValue,network: RustBuffer.ByValue,database_config: RustBuffer.ByValue,blockchain_config: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Pointer
fun bdk_1945_OnlineWallet_get_new_address(ptr: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun bdk_1945_OnlineWallet_get_balance(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Long
fun bdk_70ef_OnlineWallet_sign(ptr: Pointer,psbt: Pointer,
fun bdk_1945_OnlineWallet_sign(ptr: Pointer,psbt: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_70ef_OnlineWallet_get_network(ptr: Pointer,
fun bdk_1945_OnlineWallet_get_transactions(ptr: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun bdk_70ef_OnlineWallet_sync(ptr: Pointer,progress_update: Long,max_address_param: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_70ef_OnlineWallet_broadcast(ptr: Pointer,psbt: Pointer,
fun bdk_1945_OnlineWallet_get_network(ptr: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_70ef_PartiallySignedBitcoinTransaction_object_free(ptr: Pointer,
fun bdk_1945_OnlineWallet_sync(ptr: Pointer,progress_update: Long,max_address_param: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_70ef_PartiallySignedBitcoinTransaction_new(wallet: Pointer,recipient: RustBuffer.ByValue,amount: Long,
fun bdk_1945_OnlineWallet_broadcast(ptr: Pointer,psbt: Pointer,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_1945_PartiallySignedBitcoinTransaction_object_free(ptr: Pointer,
uniffi_out_err: RustCallStatus
): Unit
fun bdk_1945_PartiallySignedBitcoinTransaction_new(wallet: Pointer,recipient: RustBuffer.ByValue,amount: Long,
uniffi_out_err: RustCallStatus
): Pointer
fun ffi_bdk_70ef_BdkProgress_init_callback(callback_stub: ForeignCallback,
fun ffi_bdk_1945_BdkProgress_init_callback(callback_stub: ForeignCallback,
uniffi_out_err: RustCallStatus
): Unit
fun ffi_bdk_70ef_rustbuffer_alloc(size: Int,
fun ffi_bdk_1945_rustbuffer_alloc(size: Int,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_70ef_rustbuffer_from_bytes(bytes: ForeignBytes.ByValue,
fun ffi_bdk_1945_rustbuffer_from_bytes(bytes: ForeignBytes.ByValue,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
fun ffi_bdk_70ef_rustbuffer_free(buf: RustBuffer.ByValue,
fun ffi_bdk_1945_rustbuffer_free(buf: RustBuffer.ByValue,
uniffi_out_err: RustCallStatus
): Unit
fun ffi_bdk_70ef_rustbuffer_reserve(buf: RustBuffer.ByValue,additional: Int,
fun ffi_bdk_1945_rustbuffer_reserve(buf: RustBuffer.ByValue,additional: Int,
uniffi_out_err: RustCallStatus
): RustBuffer.ByValue
@ -1223,6 +1314,55 @@ data class SledDbConfiguration (
}
@ExperimentalUnsignedTypes
data class ConfirmedTransaction (
var fees: ULong?,
var height: UInt,
var timestamp: ULong,
var received: ULong,
var sent: ULong,
var id: String
) {
companion object {
internal fun lift(rbuf: RustBuffer.ByValue): ConfirmedTransaction {
return liftFromRustBuffer(rbuf) { buf -> ConfirmedTransaction.read(buf) }
}
internal fun read(buf: ByteBuffer): ConfirmedTransaction {
return ConfirmedTransaction(
readOptionalu64(buf),
UInt.read(buf),
ULong.read(buf),
ULong.read(buf),
ULong.read(buf),
String.read(buf)
)
}
}
internal fun lower(): RustBuffer.ByValue {
return lowerIntoRustBuffer(this, {v, buf -> v.write(buf)})
}
internal fun write(buf: RustBufferBuilder) {
writeOptionalu64(this.fees, buf)
this.height.write(buf)
this.timestamp.write(buf)
this.received.write(buf)
this.sent.write(buf)
this.id.write(buf)
}
}
@ExperimentalUnsignedTypes
@ -1326,6 +1466,7 @@ public interface OfflineWalletInterface {
fun getNewAddress(): String
fun getBalance(): ULong
fun sign(psbt: PartiallySignedBitcoinTransaction )
fun getTransactions(): List<ConfirmedTransaction>
}
@ -1336,7 +1477,7 @@ class OfflineWallet(
constructor(descriptor: String, network: Network, databaseConfig: DatabaseConfig ) :
this(
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OfflineWallet_new(descriptor.lower(), network.lower(), databaseConfig.lower() ,status)
_UniFFILib.INSTANCE.bdk_1945_OfflineWallet_new(descriptor.lower(), network.lower(), databaseConfig.lower() ,status)
})
/**
@ -1349,7 +1490,7 @@ class OfflineWallet(
*/
override protected fun freeRustArcPtr() {
rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_70ef_OfflineWallet_object_free(this.pointer, status)
_UniFFILib.INSTANCE.ffi_bdk_1945_OfflineWallet_object_free(this.pointer, status)
}
}
@ -1364,7 +1505,7 @@ class OfflineWallet(
override fun getNewAddress(): String =
callWithPointer {
rustCall() { status ->
_UniFFILib.INSTANCE.bdk_70ef_OfflineWallet_get_new_address(it, status)
_UniFFILib.INSTANCE.bdk_1945_OfflineWallet_get_new_address(it, status)
}
}.let {
String.lift(it)
@ -1373,7 +1514,7 @@ class OfflineWallet(
override fun getBalance(): ULong =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OfflineWallet_get_balance(it, status)
_UniFFILib.INSTANCE.bdk_1945_OfflineWallet_get_balance(it, status)
}
}.let {
ULong.lift(it)
@ -1382,10 +1523,19 @@ class OfflineWallet(
override fun sign(psbt: PartiallySignedBitcoinTransaction ) =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OfflineWallet_sign(it, psbt.lower() , status)
_UniFFILib.INSTANCE.bdk_1945_OfflineWallet_sign(it, psbt.lower() , status)
}
}
override fun getTransactions(): List<ConfirmedTransaction> =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_1945_OfflineWallet_get_transactions(it, status)
}
}.let {
liftSequenceTypeConfirmedTransaction(it)
}
companion object {
@ -1408,6 +1558,7 @@ public interface OnlineWalletInterface {
fun getNewAddress(): String
fun getBalance(): ULong
fun sign(psbt: PartiallySignedBitcoinTransaction )
fun getTransactions(): List<ConfirmedTransaction>
fun getNetwork(): Network
fun sync(progressUpdate: BdkProgress, maxAddressParam: UInt? )
fun broadcast(psbt: PartiallySignedBitcoinTransaction ): String
@ -1421,7 +1572,7 @@ class OnlineWallet(
constructor(descriptor: String, network: Network, databaseConfig: DatabaseConfig, blockchainConfig: BlockchainConfig ) :
this(
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_new(descriptor.lower(), network.lower(), databaseConfig.lower(), blockchainConfig.lower() ,status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_new(descriptor.lower(), network.lower(), databaseConfig.lower(), blockchainConfig.lower() ,status)
})
/**
@ -1434,7 +1585,7 @@ class OnlineWallet(
*/
override protected fun freeRustArcPtr() {
rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_70ef_OnlineWallet_object_free(this.pointer, status)
_UniFFILib.INSTANCE.ffi_bdk_1945_OnlineWallet_object_free(this.pointer, status)
}
}
@ -1449,7 +1600,7 @@ class OnlineWallet(
override fun getNewAddress(): String =
callWithPointer {
rustCall() { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_get_new_address(it, status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_get_new_address(it, status)
}
}.let {
String.lift(it)
@ -1458,7 +1609,7 @@ class OnlineWallet(
override fun getBalance(): ULong =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_get_balance(it, status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_get_balance(it, status)
}
}.let {
ULong.lift(it)
@ -1467,14 +1618,23 @@ class OnlineWallet(
override fun sign(psbt: PartiallySignedBitcoinTransaction ) =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_sign(it, psbt.lower() , status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_sign(it, psbt.lower() , status)
}
}
override fun getTransactions(): List<ConfirmedTransaction> =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_get_transactions(it, status)
}
}.let {
liftSequenceTypeConfirmedTransaction(it)
}
override fun getNetwork(): Network =
callWithPointer {
rustCall() { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_get_network(it, status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_get_network(it, status)
}
}.let {
Network.lift(it)
@ -1483,14 +1643,14 @@ class OnlineWallet(
override fun sync(progressUpdate: BdkProgress, maxAddressParam: UInt? ) =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_sync(it, CallbackInterfaceBdkProgressInternals.lower(progressUpdate), lowerOptionalu32(maxAddressParam) , status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_sync(it, CallbackInterfaceBdkProgressInternals.lower(progressUpdate), lowerOptionalu32(maxAddressParam) , status)
}
}
override fun broadcast(psbt: PartiallySignedBitcoinTransaction ): String =
callWithPointer {
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_OnlineWallet_broadcast(it, psbt.lower() , status)
_UniFFILib.INSTANCE.bdk_1945_OnlineWallet_broadcast(it, psbt.lower() , status)
}
}.let {
String.lift(it)
@ -1525,7 +1685,7 @@ class PartiallySignedBitcoinTransaction(
constructor(wallet: OnlineWallet, recipient: String, amount: ULong ) :
this(
rustCallWithError(BdkException) { status ->
_UniFFILib.INSTANCE.bdk_70ef_PartiallySignedBitcoinTransaction_new(wallet.lower(), recipient.lower(), amount.lower() ,status)
_UniFFILib.INSTANCE.bdk_1945_PartiallySignedBitcoinTransaction_new(wallet.lower(), recipient.lower(), amount.lower() ,status)
})
/**
@ -1538,7 +1698,7 @@ class PartiallySignedBitcoinTransaction(
*/
override protected fun freeRustArcPtr() {
rustCall() { status ->
_UniFFILib.INSTANCE.ffi_bdk_70ef_PartiallySignedBitcoinTransaction_object_free(this.pointer, status)
_UniFFILib.INSTANCE.ffi_bdk_1945_PartiallySignedBitcoinTransaction_object_free(this.pointer, status)
}
}
@ -1616,7 +1776,7 @@ internal object CallbackInterfaceBdkProgressInternals: CallbackInternals<BdkProg
) {
override fun register(lib: _UniFFILib) {
rustCall() { status ->
lib.ffi_bdk_70ef_BdkProgress_init_callback(this.foreignCallback, status)
lib.ffi_bdk_1945_BdkProgress_init_callback(this.foreignCallback, status)
}
}
}

13
src/bdk.udl
View File

@ -63,6 +63,15 @@ interface DatabaseConfig {
Sled(SledDbConfiguration config);
};
dictionary ConfirmedTransaction {
u64? fees;
u32 height;
u64 timestamp;
u64 received;
u64 sent;
string id;
};
interface OfflineWallet {
[Throws=BdkError]
constructor(string descriptor, Network network, DatabaseConfig database_config);
@ -73,6 +82,8 @@ interface OfflineWallet {
u64 get_balance();
[Throws=BdkError]
void sign([ByRef] PartiallySignedBitcoinTransaction psbt);
[Throws=BdkError]
sequence<ConfirmedTransaction> get_transactions();
};
dictionary ElectrumConfig {
@ -111,6 +122,8 @@ interface OnlineWallet {
u64 get_balance();
[Throws=BdkError]
void sign([ByRef] PartiallySignedBitcoinTransaction psbt);
[Throws=BdkError]
sequence<ConfirmedTransaction> get_transactions();
// OnlineWalletInterface
Network get_network();

26
src/lib.rs
View File

@ -57,6 +57,16 @@ impl WalletHolder<()> for OfflineWallet {
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct ConfirmedTransaction {
pub fees: Option<u64>,
pub height: u32,
pub timestamp: u64,
pub received: u64,
pub sent: u64,
pub id: String,
}
trait OfflineWalletOperations<B>: WalletHolder<B> {
fn get_new_address(&self) -> String {
self.get_wallet()
@ -81,6 +91,22 @@ trait OfflineWalletOperations<B>: WalletHolder<B> {
))),
}
}
fn get_transactions(&self) -> Result<Vec<ConfirmedTransaction>, Error> {
let transactions = self.get_wallet().list_transactions(true)?;
Ok(transactions
.iter()
.filter(|x| x.confirmation_time.is_some())
.map(|x| ConfirmedTransaction {
fees: x.fee,
height: x.confirmation_time.clone().map_or(0, |c| c.height),
timestamp: x.confirmation_time.clone().map_or(0, |c| c.timestamp),
id: x.txid.to_string(),
received: x.received,
sent: x.sent,
})
.collect())
}
}
impl OfflineWallet {