diff --git a/Ledger.cpp b/Ledger.cpp
index 4293100fb7..588ec2e176 100644
--- a/Ledger.cpp
+++ b/Ledger.cpp
@@ -544,3 +544,25 @@ Ledger::pointer Ledger::switchPreviousLedger(Ledger::pointer oldPrevious, Ledger
 
 	return Ledger::pointer(newLedger);
 }
+
+void Ledger::setAcquiring(void)
+{
+	if(!mTransactionMap || !mAccountStateMap) throw SHAMapException(InvalidMap);
+	mTransactionMap->setSynching();
+	mAccountStateMap->setSynching();
+}
+
+bool Ledger::isAcquiring(void)
+{
+	return isAcquiringTx() || isAcquiringAS();
+}
+
+bool Ledger::isAcquiringTx(void)
+{
+	return mTransactionMap->isSynching();
+}
+
+bool Ledger::isAcquiringAS(void)
+{
+	return mAccountStateMap->isSynching();
+}
diff --git a/Ledger.h b/Ledger.h
index 0994b6af4e..dbab0d009d 100644
--- a/Ledger.h
+++ b/Ledger.h
@@ -88,6 +88,12 @@ public:
 	SHAMap::pointer peekTransactionMap() { return mTransactionMap; }
 	SHAMap::pointer peekAccountStateMap() { return mAccountStateMap; }
 
+	// ledger sync functions
+	void setAcquiring(void);
+	bool isAcquiring(void);
+	bool isAcquiringTx(void);
+	bool isAcquiringAS(void);
+
 	// mid level functions
 	bool hasTransaction(const uint256& TransID) const;
 	AccountState::pointer getAccountState(const uint160& acctID);
diff --git a/LedgerAcquire.cpp b/LedgerAcquire.cpp
index 57d16f85bb..945c0ed6cf 100644
--- a/LedgerAcquire.cpp
+++ b/LedgerAcquire.cpp
@@ -90,23 +90,19 @@ bool LedgerAcquire::takeBase(const std::vector<unsigned char>& data)
 		return false;
 	}
 	mLedger=Ledger::pointer(ledger);
+	mLedger->setAcquiring();
 	mHaveBase=true;
 	return true;
 }
 
-bool LedgerAcquire::takeTxNode(const std::list<uint256>& hashes, const std::list<std::vector<unsigned char> >& data)
+bool LedgerAcquire::takeTxNode(const std::list<SHAMapNode>& nodeIDs, const std::list<std::vector<unsigned char> >& data)
 {
+	if(!mHaveBase) return false;
 	// WRITEME
 	return true;
 }
 
-bool LedgerAcquire::takeAsNode(const std::list<uint160>& hashes, const std::list<std::vector<unsigned char> >& data)
-{
-	// WRITEME
-	return true;
-}
-
-bool LedgerAcquire::takeTx(const std::list<uint256>& hashes, const std::list<std::vector<unsigned char> >& data)
+bool LedgerAcquire::takeAsNode(const std::list<SHAMapNode>& hashes, const std::list<std::vector<unsigned char> >& data)
 {
 	// WRITEME
 	return true;
diff --git a/LedgerAcquire.h b/LedgerAcquire.h
index f40a301f74..1d85bfaeda 100644
--- a/LedgerAcquire.h
+++ b/LedgerAcquire.h
@@ -45,9 +45,8 @@ public:
 	void peerHas(Peer::pointer);
 	void badPeer(Peer::pointer);
 	bool takeBase(const std::vector<unsigned char>& data);
-	bool takeTxNode(const std::list<uint256>& hashes, const std::list<std::vector<unsigned char> >& data);
-	bool takeAsNode(const std::list<uint160>& hashes, const std::list<std::vector<unsigned char> >& data);
-	bool takeTx(const std::list<uint256>& hashes, const std::list<std::vector<unsigned char> >& data);
+	bool takeTxNode(const std::list<SHAMapNode>& IDs, const std::list<std::vector<unsigned char> >& data);
+	bool takeAsNode(const std::list<SHAMapNode>& IDs, const std::list<std::vector<unsigned char> >& data);
 };
 
 class LedgerAcquireMaster
diff --git a/SHAMap.h b/SHAMap.h
index 5703f2cb26..ad4c665edf 100644
--- a/SHAMap.h
+++ b/SHAMap.h
@@ -204,7 +204,8 @@ public:
 enum SHAMapException
 {
 	MissingNode=1,
-	InvalidNode=2
+	InvalidNode=2,
+	InvalidMap=3,
 };
 
 class SHAMap
@@ -289,6 +290,7 @@ public:
 	// status functions
 	void setImmutable(void) { mImmutable=true; }
 	void clearImmutable(void) { mImmutable=false; }
+	bool isSynching(void) const { return mSynching; }
 	void setSynching(void) { mSynching=true; }
 	void clearSynching(void) { mSynching=false; }
 
diff --git a/SHAMapSync.cpp b/SHAMapSync.cpp
index acd1e08888..b3ca77bd63 100644
--- a/SHAMapSync.cpp
+++ b/SHAMapSync.cpp
@@ -18,6 +18,7 @@ void SHAMap::getMissingNodes(std::vector<SHAMapNode>& nodeIDs, std::vector<uint2
 #ifdef GMN_DEBUG
 		std::cerr << "getMissingNodes: root is full below" << std::endl;
 #endif
+		clearSynching();
 		return;
 	}
 
@@ -123,7 +124,11 @@ bool SHAMap::addRootNode(const std::vector<unsigned char>& rootNode)
 
 	root=node;
 	mTNByID[*root]=root;
-	if(!root->getNodeHash()) root->setFullBelow();
+	if(!root->getNodeHash())
+	{
+		root->setFullBelow();
+		clearSynching();
+	}
 
 	return true;
 }
@@ -149,7 +154,11 @@ bool SHAMap::addRootNode(const uint256& hash, const std::vector<unsigned char>&
 	returnNode(root, true);
 	root=node;
 	mTNByID[*root]=root;
-	if(!root->getNodeHash()) root->setFullBelow();
+	if(!root->getNodeHash())
+	{
+		root->setFullBelow();
+		clearSynching();
+	}
 
 	return true;
 }
@@ -223,6 +232,7 @@ bool SHAMap::addKnownNode(const SHAMapNode& node, const std::vector<unsigned cha
 			}
 		iNode->setFullBelow();
 	} while(!stack.empty());
+	if(root->isFullBelow()) clearSynching();
 	return true;
 }
 
@@ -301,7 +311,7 @@ bool SHAMap::deepCompare(SHAMap& other)
 static SHAMapItem::pointer makeRandomAS()
 {
 		Serializer s;
-		for(int d=0; d<8; d++)
+		for(int d=0; d<3; d++)
 			s.add32(rand());
 		return boost::make_shared<SHAMapItem>(s.getRIPEMD160(), s.peekData());
 }
@@ -314,8 +324,6 @@ static bool confuseMap(SHAMap &map, int count)
 
 	std::list<uint256> items;
 
-	map.dump(true);
-
 	for(int i=0; i<count; i++)
 	{
 		SHAMapItem::pointer item=makeRandomAS();
@@ -339,7 +347,6 @@ static bool confuseMap(SHAMap &map, int count)
 	if(beforeHash!=map.getHash())
 	{
 		std::cerr << "Hashes do not match" << std::endl;
-		map.dump(true);
 		return false;
 	}
 
@@ -348,23 +355,25 @@ static bool confuseMap(SHAMap &map, int count)
 
 bool SHAMap::syncTest()
 {
-#if 0
 	unsigned int seed;
 	RAND_pseudo_bytes(reinterpret_cast<unsigned char *>(&seed), sizeof(seed));
 	srand(seed);
-#endif
-	srand(2);
 
 	SHAMap source, destination;
 
 
 	// add random data to the source map
-	int items=8;
+	int items=1000000;
 	for(int i=0; i<items; i++)
 		source.addItem(*makeRandomAS(), false);
 
-	if(!confuseMap(source, 3))
+#ifdef DO_CONFUSE
+#ifdef DEBUG
+	std::cerr << "Adding items, then removing them" << std::endl;
+#endif
+	if(!confuseMap(source, 12000))
 		return false;
+#endif
 
 	source.setImmutable();
 
@@ -408,6 +417,7 @@ bool SHAMap::syncTest()
 #ifdef DEBUG
 	std::cerr << "ROOT COMPLETE, INNER SYNCHING" << std::endl;
 #endif
+	int bytes=0;
 
 	do
 	{
@@ -448,6 +458,7 @@ bool SHAMap::syncTest()
 				nodeIDIterator!=gotNodeIDs.end(); ++nodeIDIterator, ++rawNodeIterator)
 		{
 			nodes++;
+			bytes+=rawNodeIterator->size();
 			if(!destination.addKnownNode(*nodeIDIterator, *rawNodeIterator))
 			{
 				std::cerr << "AddKnownNode fails" << std::endl;
@@ -463,7 +474,8 @@ bool SHAMap::syncTest()
 	destination.clearSynching();
 
 #ifdef SMS_DEBUG
-	std::cerr << "SYNCHING COMPLETE " << items << " items, " << nodes << " nodes" << std::endl;
+	std::cerr << "SYNCHING COMPLETE " << items << " items, " << nodes << " nodes, " <<
+		bytes/1024 << " KB" << std::endl;
 #endif
 
 	if(!source.deepCompare(destination))