From 9be7b9cc3f182a1cf226029d9e6e6ca9d2510671 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Tue, 14 May 2013 18:38:36 -0700
Subject: [PATCH] doBookOffers optimizations.

---
 src/cpp/ripple/RPCHandler.cpp | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/cpp/ripple/RPCHandler.cpp b/src/cpp/ripple/RPCHandler.cpp
index d44d780716..aa185cfedc 100644
--- a/src/cpp/ripple/RPCHandler.cpp
+++ b/src/cpp/ripple/RPCHandler.cpp
@@ -1202,12 +1202,15 @@ Json::Value RPCHandler::doBookOffers(Json::Value jvRequest, int& cost, ScopedLoc
 	if (!lpLedger)
 		return jvResult;
 
+	if (lpLedger->isImmutable())
+		MasterLockHolder.unlock();
+
 	if (!jvRequest.isMember("taker_pays") || !jvRequest.isMember("taker_gets") || !jvRequest["taker_pays"].isObject() || !jvRequest["taker_gets"].isObject())
 		return rpcError(rpcINVALID_PARAMS);
 
-	uint160		uTakerPaysCurrencyID;
-	uint160		uTakerPaysIssuerID;
-	Json::Value	jvTakerPays	= jvRequest["taker_pays"];
+	uint160				uTakerPaysCurrencyID;
+	uint160				uTakerPaysIssuerID;
+	const Json::Value&	jvTakerPays	= jvRequest["taker_pays"];
 
 	// Parse mandatory currency.
 	if (!jvTakerPays.isMember("currency")
@@ -1230,9 +1233,9 @@ Json::Value RPCHandler::doBookOffers(Json::Value jvRequest, int& cost, ScopedLoc
 		return rpcError(rpcSRC_ISR_MALFORMED);
 	}
 
-	uint160		uTakerGetsCurrencyID;
-	uint160		uTakerGetsIssuerID;
-	Json::Value	jvTakerGets	= jvRequest["taker_gets"];
+	uint160				uTakerGetsCurrencyID;
+	uint160				uTakerGetsIssuerID;
+	const Json::Value&	jvTakerGets	= jvRequest["taker_gets"];
 
 	// Parse mandatory currency.
 	if (!jvTakerGets.isMember("currency")