Remove non-kotlin related files, add bdk-ffi as submodule, update build.sh

2021-12-13 22:14:16 -08:00
parent 09ce971708
commit 0f42ba7590
29 changed files with 151 additions and 780 deletions
--- a/demo/src/main/kotlin/Main.kt
+++ b/demo/src/main/kotlin/Main.kt
@@ -0,0 +1,90 @@
+import java.util.Optional
+import kotlin.ExperimentalUnsignedTypes
+import org.bitcoindevkit.*
+
+class LogProgress : BdkProgress {
+    override fun update(progress: Float, message: String?) {
+        println("Syncing..")
+    }
+}
+
+class NullProgress : BdkProgress {
+    override fun update(progress: Float, message: String?) {}
+}
+
+fun getTransaction(wallet: OnlineWalletInterface, transactionId: String): Optional<Transaction> {
+    wallet.sync(NullProgress(), null)
+    return wallet.getTransactions()
+            .stream()
+            .filter({
+                when (it) {
+                    is Transaction.Confirmed -> it.details.txid.equals(transactionId)
+                    is Transaction.Unconfirmed -> it.details.txid.equals(transactionId)
+                }
+            })
+            .findFirst()
+}
+
+@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.txid.compareTo(a.details.txid)
+                        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>) {
+    val network = Network.TESTNET
+    val mnemonicType = MnemonicType.WORDS12
+    val password: String? = null
+    println("Generating key...")
+    val extendedKey = generateExtendedKey(network, mnemonicType, password)
+    println("generated key: $extendedKey")
+    println("Attempting restore extended key...")
+    val restoredKey = restoreExtendedKey(network, extendedKey.mnemonic, password)
+    println("restored key: $restoredKey")
+    println("Configuring an in-memory wallet on electrum..")
+    val descriptor = "wpkh(tprv8ZgxMBicQKsPeSitUfdxhsVaf4BXAASVAbHypn2jnPcjmQZvqZYkeqx7EHQTWvdubTSDa5ben7zHC7sUsx4d8tbTvWdUtHzR8uhHg2CW7MT/*)"
+    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 wallet = OnlineWallet(descriptor, null, network, db, client)
+    wallet.sync(LogProgress(), null)
+    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 PSBT with recipient $recipient and amount $amount satoshis...")
+    val psbt = PartiallySignedBitcoinTransaction(wallet, recipient, amount, null)
+    println("Signing the transaction...")
+    wallet.sign(psbt)
+    println("Broadcasting the signed transaction...")
+    val transaction = wallet.broadcast(psbt)
+    println("Broadcasted transaction $transaction")
+    val take = 5
+    println("Listing latest $take transactions...")
+    wallet
+            .getTransactions()
+            .sortedWith(unconfirmedFirstThenByTimestampDescending)
+            .take(take)
+            .forEach { println(it) }
+    println("Final wallet balance: ${wallet.getBalance()}")
+}
+