From 77eabaa6e041aa8bfb0f5fc824811cff7abdfadf Mon Sep 17 00:00:00 2001
From: alex <alex@alex-VirtualBox.(none)>
Date: Tue, 30 Jul 2013 03:21:32 +0400
Subject: [PATCH] Add -walletnotify option

This option provides an opportunity to call external script on new transactions
---
 src/init.cpp                |    1 +
 src/qt/locale/bitcoin_en.ts |    5 +++++
 src/qt/locale/bitcoin_ru.ts |    5 +++++
 src/wallet.cpp              |   11 +++++++++++
 4 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/src/init.cpp b/src/init.cpp
index 199e3fa..bb87075 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -280,6 +280,7 @@ std::string HelpMessage()
         "  -rpcallowip=<ip>       " + _("Allow JSON-RPC connections from specified IP address") + "\n" +
         "  -rpcconnect=<ip>       " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n" +
         "  -blocknotify=<cmd>     " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n" +
+        "  -walletnotify=<cmd>    " + _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)") + "\n" +
         "  -upgradewallet         " + _("Upgrade wallet to latest format") + "\n" +
         "  -keypool=<n>           " + _("Set key pool size to <n> (default: 100)") + "\n" +
         "  -rescan                " + _("Rescan the block chain for missing wallet transactions") + "\n" +
diff --git a/src/qt/locale/bitcoin_en.ts b/src/qt/locale/bitcoin_en.ts
index 9c804d2..3a94e5b 100644
--- a/src/qt/locale/bitcoin_en.ts
+++ b/src/qt/locale/bitcoin_en.ts
@@ -2494,6 +2494,11 @@ Address: %4
         <translation>Execute command when the best block changes (%s in cmd is replaced by block hash)</translation>
     </message>
     <message>
+        <location line="-97"/>
+        <source>Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)</source>
+        <translation>Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)</translation>
+    </message>
+    <message>
         <location line="+122"/>
         <source>Upgrade wallet to latest format</source>
         <translation>Upgrade wallet to latest format</translation>
diff --git a/src/qt/locale/bitcoin_ru.ts b/src/qt/locale/bitcoin_ru.ts
index 5c2df8e..c183406 100644
--- a/src/qt/locale/bitcoin_ru.ts
+++ b/src/qt/locale/bitcoin_ru.ts
@@ -2507,6 +2507,11 @@ Address: %4
         <translation>Выполнить команду, когда появляется новый блок (%s в команде заменяется на хэш блока)</translation>
     </message>
     <message>
+        <location line="-97"/>
+        <source>Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)</source>
+        <translation>Выполнить команду, когда получена новая транзакция (%s в команде заменяется на ID транзакции)</translation>
+    </message>
+    <message>
         <location line="+122"/>
         <source>Upgrade wallet to latest format</source>
         <translation>Обновить бумажник до последнего формата</translation>
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 9988577..7ddd67f 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -9,6 +9,7 @@
 #include "ui_interface.h"
 #include "base58.h"
 #include "kernel.h"
+#include <boost/algorithm/string/replace.hpp>
 
 using namespace std;
 extern int nStakeMaxAge;
@@ -501,6 +502,16 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn)
 
         // Notify UI of new or updated transaction
         NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
+
+        // notify an external script when a wallet transaction comes in or is updated
+        std::string strCmd = GetArg("-walletnotify", "");
+
+        if ( !strCmd.empty())
+        {
+            boost::replace_all(strCmd, "%s", wtxIn.GetHash().GetHex());
+            boost::thread t(runCommand, strCmd); // thread runs free
+        }
+
     }
     return true;
 }
-- 
1.7.1