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List both confirmed and unconfirmed transactions

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This commit is contained in:
Sudarsan Balaji
2021-10-18 15:48:30 +05:30
parent c9e8368694
commit e64b1f67c1
3 changed files with 77 additions and 36 deletions
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53
bindings/bdk-kotlin/demo/src/main/kotlin/Main.kt
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@@ -1,3 +1,5 @@
import java.util.Optional
import kotlin.ExperimentalUnsignedTypes
import uniffi.bdk.*
class LogProgress : BdkProgress {
@@ -10,18 +12,37 @@ class NullProgress : BdkProgress {
override fun update(progress: Float, message: String?) {}
}
fun getConfirmedTransaction(
wallet: OnlineWalletInterface,
transactionId: String
): ConfirmedTransaction? {
fun getTransaction(wallet: OnlineWalletInterface, transactionId: String): Optional<Transaction> {
wallet.sync(NullProgress(), null)
return wallet.getTransactions()
.stream()
.filter({ it.id.equals(transactionId) })
.filter({
when (it) {
is Transaction.Confirmed -> it.details.id.equals(transactionId)
is Transaction.Unconfirmed -> it.details.id.equals(transactionId)
}
})
.findFirst()
.orElse(null)
}
@ExperimentalUnsignedTypes
val unconfirmedFirstThenByTimestampDescending =
Comparator<Transaction> { a, b ->
when {
(a is Transaction.Confirmed && b is Transaction.Confirmed) -> {
val comparison = b.confirmation.timestamp.compareTo(a.confirmation.timestamp)
when {
comparison == 0 -> b.details.id.compareTo(a.details.id)
else -> comparison
}
}
(a is Transaction.Confirmed && b is Transaction.Unconfirmed) -> 1
(a is Transaction.Unconfirmed && b is Transaction.Confirmed) -> -1
else -> 0
}
}
@ExperimentalUnsignedTypes
fun main(args: Array<String>) {
println("Configuring an in-memory wallet on electrum..")
val descriptor = "pkh(cSQPHDBwXGjVzWRqAHm6zfvQhaTuj1f2bFH58h55ghbjtFwvmeXR)"
@@ -41,23 +62,19 @@ fun main(args: Array<String>) {
println("New wallet balance: ${wallet.getBalance()}")
println("Press Enter to return funds")
readLine()
println(
"Creating a PSBT 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("Broadcasted transaction with id $transactionId")
println("Confirming transaction...")
var confirmedTransaction = getConfirmedTransaction(wallet, transactionId)
while (confirmedTransaction == null) {
confirmedTransaction = getConfirmedTransaction(wallet, transactionId)
}
println("Confirmed transaction: $confirmedTransaction")
val transactions = wallet.getTransactions()
println("Listing all ${transactions.size} transactions...")
transactions.sortedByDescending { it.timestamp }.forEach { println(it) }
val take = 5
println("Listing latest $take transactions...")
wallet
.getTransactions()
.sortedWith(unconfirmedFirstThenByTimestampDescending)
.take(take)
.forEach { println(it) }
println("Final wallet balance: ${wallet.getBalance()}")
}