address can only be empty or 20 bytes, nothing in between

libethereum/Transaction.cpp

@@ -40,7 +40,7 @@ Transaction::Transaction(bytesConstRef _rlpData, CheckSignature _checkSig)
 		m_gasPrice = rlp[field = 1].toInt<u256>();
 		m_gas = rlp[field = 2].toInt<u256>();
 		m_type = rlp[field = 3].isEmpty() ? ContractCreation : MessageCall;
-		m_receiveAddress = rlp[field = 3].toHash<Address>(RLP::VeryStrict);
+		m_receiveAddress = rlp[field = 3].isEmpty() ? Address() : rlp[field = 3].toHash<Address>(RLP::VeryStrict);
 		m_value = rlp[field = 4].toInt<u256>();
 		m_data = rlp[field = 5].toBytes();
 		byte v = rlp[field = 6].toInt<byte>() - 27;