From badef45f7a5bc564b060f82c846a3b1122198727 Mon Sep 17 00:00:00 2001
From: chyngyz <chyngyz.omurov@gmail.com>
Date: Mon, 11 Mar 2024 11:08:52 +0600
Subject: [PATCH] testing

---
 .../transactions/PendingTransactionProcessor.kt |  5 ++++-
 .../TransactionConflictsResolver.kt             | 17 ++++++++++++++++-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/PendingTransactionProcessor.kt b/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/PendingTransactionProcessor.kt
index 13f91024..ced706d8 100644
--- a/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/PendingTransactionProcessor.kt
+++ b/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/PendingTransactionProcessor.kt
@@ -1,5 +1,6 @@
 package io.horizontalsystems.bitcoincore.transactions
 
+import android.util.Log
 import io.horizontalsystems.bitcoincore.WatchedTransactionManager
 import io.horizontalsystems.bitcoincore.blocks.IBlockchainDataListener
 import io.horizontalsystems.bitcoincore.core.IPublicKeyManager
@@ -27,9 +28,11 @@ class PendingTransactionProcessor(
 
     private fun resolveConflicts(transaction: FullTransaction, updated: MutableList<Transaction>) {
         val conflictingTransactions = conflictsResolver.getTransactionsConflictingWithPendingTransaction(transaction)
-
+        Log.e("e", "resolveConflicts for ${transaction.header.hash.toReversedHex()}, conflictingTxsCount = ${conflictingTransactions.size}")
         for (conflictingTransaction in conflictingTransactions) {
+            Log.e("e", "conflicting tx ${conflictingTransaction.hash.toReversedHex()}")
             for (descendantTransaction in storage.getDescendantTransactions(conflictingTransaction.hash)) {
+                Log.e("e", "conflicting tx descendant ${descendantTransaction.hash.toReversedHex()}")
                 descendantTransaction.conflictingTxHash = transaction.header.hash
                 storage.updateTransaction(descendantTransaction)
                 updated.add(descendantTransaction)
diff --git a/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/TransactionConflictsResolver.kt b/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/TransactionConflictsResolver.kt
index 47b3279a..80fb3312 100644
--- a/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/TransactionConflictsResolver.kt
+++ b/bitcoincore/src/main/kotlin/io/horizontalsystems/bitcoincore/transactions/TransactionConflictsResolver.kt
@@ -1,6 +1,8 @@
 package io.horizontalsystems.bitcoincore.transactions
 
+import android.util.Log
 import io.horizontalsystems.bitcoincore.core.IStorage
+import io.horizontalsystems.bitcoincore.extensions.toReversedHex
 import io.horizontalsystems.bitcoincore.models.Transaction
 import io.horizontalsystems.bitcoincore.storage.FullTransaction
 
@@ -12,29 +14,42 @@ class TransactionConflictsResolver(private val storage: IStorage) {
     }
 
     fun getTransactionsConflictingWithPendingTransaction(transaction: FullTransaction): List<Transaction> {
+        Log.e("e", "1 ${transaction.header.hash.toReversedHex()}")
         val conflictingTransactions = getConflictingTransactionsForTransaction(transaction)
 
+        Log.e("e", "2 ${conflictingTransactions.joinToString { it.hash.toReversedHex()}}")
+
         if (conflictingTransactions.isEmpty()) return listOf()
 
+        Log.e("e", "3")
         // If any of conflicting transactions is already in a block, then current transaction is invalid and non of them is conflicting with it.
         if (conflictingTransactions.any { it.blockHash != null }) return listOf()
 
+        Log.e("e", "4")
+
         val conflictingFullTransactions = storage.getFullTransactions(conflictingTransactions)
-        return conflictingFullTransactions
+        val filtered =  conflictingFullTransactions
             // If an existing transaction has a conflicting input with higher sequence,
             // then mempool transaction most probably has been received before
             // and the existing transaction is a replacement transaction that is not relayed in mempool yet.
             // Other cases are theoretically possible, but highly unlikely
             .filter { !existingHasHigherSequence(mempoolTransaction = transaction, existingTransaction = it) }
             .map { it.header }
+
+        Log.e("e", "5 filtered   = ${filtered.joinToString { it.hash.toReversedHex() }}")
+        return filtered
     }
 
     private fun existingHasHigherSequence(mempoolTransaction: FullTransaction, existingTransaction: FullTransaction): Boolean {
+        Log.e("e", "existingTransaction inputs" + "\n" +
+                existingTransaction.inputs.joinToString { "${it.previousOutputTxHash.toReversedHex()}, ${it.previousOutputIndex}, seq= ${it.sequence}" } )
+
         existingTransaction.inputs.forEach { existingInput ->
             val mempoolInput = mempoolTransaction.inputs.firstOrNull { mempoolInput ->
                 mempoolInput.previousOutputTxHash.contentEquals(existingInput.previousOutputTxHash)
                         && mempoolInput.previousOutputIndex == existingInput.previousOutputIndex
             }
+            Log.e("e", "mempoolInput.seq ${mempoolInput?.sequence}, existingInput.seq ${existingInput.sequence}")
             if (mempoolInput != null && mempoolInput.sequence < existingInput.sequence)
                 return true
         }