From 96bc727fcb085afd35705c2e05ed54e46b3656dc Mon Sep 17 00:00:00 2001
From: seelabs <scott.determan@yahoo.com>
Date: Tue, 26 Jan 2016 16:22:58 -0500
Subject: [PATCH] Enforce no-ripple constraints

---
 src/ripple/app/paths/PathState.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/ripple/app/paths/PathState.cpp b/src/ripple/app/paths/PathState.cpp
index e3a80438d6..e530528639 100644
--- a/src/ripple/app/paths/PathState.cpp
+++ b/src/ripple/app/paths/PathState.cpp
@@ -799,6 +799,19 @@ TER PathState::checkNoRipple (
             if (terStatus != tesSUCCESS)
                 return terStatus;
         }
+
+        if (!nodes_[i - 1].isAccount() &&
+            nodes_[i].isAccount() &&
+            nodes_[i + 1].isAccount() &&
+            nodes_[i -1].issue_.account != nodes_[i].account_)
+        { // offer -> account -> account
+            auto const& currencyID = nodes_[i].issue_.currency;
+            terStatus = checkNoRipple (
+                nodes_[i-1].issue_.account, nodes_[i].account_, nodes_[i+1].account_,
+                currencyID);
+            if (terStatus != tesSUCCESS)
+                return terStatus;
+        }
     }
 
     return tesSUCCESS;