From 58971b6728de7d8e3e0ccf5c19ba1cdf242cefcd Mon Sep 17 00:00:00 2001
From: Miron Cuperman <miron+code@google.com>
Date: Fri, 23 Mar 2012 16:58:06 -0700
Subject: [PATCH] Throw an exception rather than assert on trying to get from
 address of generation transaction

---
 .../main/java/com/google/bitcoin/core/TransactionInput.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/google/bitcoin/core/TransactionInput.java b/core/src/main/java/com/google/bitcoin/core/TransactionInput.java
index 518efc01..d067a365 100644
--- a/core/src/main/java/com/google/bitcoin/core/TransactionInput.java
+++ b/core/src/main/java/com/google/bitcoin/core/TransactionInput.java
@@ -168,7 +168,9 @@ public class TransactionInput extends ChildMessage implements Serializable {
      * @throws ScriptException if the scriptSig could not be understood (eg, if this is a coinbase transaction).
      */
     public Address getFromAddress() throws ScriptException {
-        assert !isCoinBase();
+        if (isCoinBase()) {
+            throw new ScriptException("coinbase transaction");
+        }
         return getScriptSig().getFromAddress();
     }