Fix cooperative refund and improve keypair generation (#223)

* feat: add random keypair generation

* Encapsulate decode_keypair in SendSwap::get_refund_keypair()

* Add refund_tx_id and refund_tx_amount_sat to Payment

* fix: remove blocking on refund

* fix: change `refund_private_key` order

* fix: rebasing

* fix: set `next_unused_address` as refund output

* Handle refunds in `get_info`, `list_payments` (#226)

* Exclude refund txs from payment list

* Adjust balance calculation to account for refunds

* fix: revert boltz changes and fix locktime

* Replace subquery with LEFT JOIN to get refund data

* Rewrite locktime check for more clarity

* Rewrite locktime check for more clarity

* Fix select_payment_query in case of refunds

* Include boltz-client fixes (handling of unwraps for failed broadcasts)

* Cargo.toml: Use boltz-client branch instead of commit

---------

Co-authored-by: ok300 <106775972+ok300@users.noreply.github.com>

packages/react-native/android/src/main/java/com/breezliquidsdk/BreezLiquidSDKMapper.kt

@@ -172,6 +172,8 @@ fun asPayment(payment: ReadableMap): Payment? {
     val amountSat = payment.getDouble("amountSat").toULong()
     val feesSat = if (hasNonNullKey(payment, "feesSat")) payment.getDouble("feesSat").toULong() else null
     val preimage = if (hasNonNullKey(payment, "preimage")) payment.getString("preimage") else null
+    val refundTxId = if (hasNonNullKey(payment, "refundTxId")) payment.getString("refundTxId") else null
+    val refundTxAmountSat = if (hasNonNullKey(payment, "refundTxAmountSat")) payment.getDouble("refundTxAmountSat").toULong() else null
     val paymentType = payment.getString("paymentType")?.let { asPaymentType(it) }!!
     val status = payment.getString("status")?.let { asPaymentState(it) }!!
     return Payment(
@@ -181,6 +183,8 @@ fun asPayment(payment: ReadableMap): Payment? {
         amountSat,
         feesSat,
         preimage,
+        refundTxId,
+        refundTxAmountSat,
         paymentType,
         status,
     )
@@ -194,6 +198,8 @@ fun readableMapOf(payment: Payment): ReadableMap {
         "amountSat" to payment.amountSat,
         "feesSat" to payment.feesSat,
         "preimage" to payment.preimage,
+        "refundTxId" to payment.refundTxId,
+        "refundTxAmountSat" to payment.refundTxAmountSat,
         "paymentType" to payment.paymentType.name.lowercase(),
         "status" to payment.status.name.lowercase(),
     )