From 9d81529eaa0b88f4f9eee894e90029701156b179 Mon Sep 17 00:00:00 2001
From: Sean Gilligan <sean@msgilligan.com>
Date: Tue, 22 Aug 2023 13:20:59 -0700
Subject: [PATCH] TransactionConfidence: convert `Factory` to interface

---
 .../main/java/org/bitcoinj/core/TransactionConfidence.java  | 6 ++----
 core/src/main/java/org/bitcoinj/core/TxConfidenceTable.java | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/core/src/main/java/org/bitcoinj/core/TransactionConfidence.java b/core/src/main/java/org/bitcoinj/core/TransactionConfidence.java
index 6418de046..4b864ec9b 100644
--- a/core/src/main/java/org/bitcoinj/core/TransactionConfidence.java
+++ b/core/src/main/java/org/bitcoinj/core/TransactionConfidence.java
@@ -73,10 +73,8 @@ import static org.bitcoinj.base.internal.Preconditions.checkState;
  */
 public class TransactionConfidence {
     @VisibleForTesting
-    static class Factory {
-        public TransactionConfidence createConfidence(Sha256Hash hash) {
-            return new TransactionConfidence(hash);
-        }
+    interface Factory {
+        TransactionConfidence createConfidence(Sha256Hash hash);
     }
 
     /**
diff --git a/core/src/main/java/org/bitcoinj/core/TxConfidenceTable.java b/core/src/main/java/org/bitcoinj/core/TxConfidenceTable.java
index 7b8d7712b..d126be0ec 100644
--- a/core/src/main/java/org/bitcoinj/core/TxConfidenceTable.java
+++ b/core/src/main/java/org/bitcoinj/core/TxConfidenceTable.java
@@ -68,7 +68,7 @@ public class TxConfidenceTable {
      * @param size Max number of transactions to track. The table will fill up to this size then stop growing.
      */
     public TxConfidenceTable(final int size) {
-        this(size, new TransactionConfidence.Factory());
+        this(size, TransactionConfidence::new);
     }
 
     TxConfidenceTable(final int size, TransactionConfidence.Factory confidenceFactory){