small changes

mix/ClientModel.cpp

@@ -302,7 +302,7 @@ void ClientModel::finalizeBlock()
 	}
 }
 
-TransactionSettings ClientModel::transaction(QVariant _tr)
+TransactionSettings ClientModel::transaction(QVariant const& _tr) const
 {
 	QVariantMap transaction = _tr.toMap();
 	QString contractId = transaction.value("contractId").toString();

mix/ClientModel.h

@@ -270,7 +270,7 @@ private:
 	void finalizeBlock();
 	void stopExecution();
 	void setupExecutionChain();
-	TransactionSettings transaction(QVariant _tr);	
+	TransactionSettings transaction(QVariant const& _tr) const;
 
 	std::atomic<bool> m_running;
 	std::atomic<bool> m_mining;

mix/MixClient.cpp

@@ -123,7 +123,7 @@ Transaction MixClient::replaceGas(Transaction const& _t, u256 const& _gas, Secre
 	return ret;
 }
 
-ExecutionResult MixClient::debugTransaction(Transaction const& _t, State const& _state, LastHashes _lastHashes, bool _call)
+ExecutionResult MixClient::debugTransaction(Transaction const& _t, State const& _state, LastHashes const& _lastHashes, bool _call)
 {
 	State execState = _state;
 	execState.addBalance(_t.sender(), _t.gas() * _t.gasPrice()); //give it enough balance for gas estimation

mix/MixClient.h

@@ -61,7 +61,7 @@ public:
 	virtual std::pair<h256, Address> submitTransaction(eth::TransactionSkeleton const& _ts, Secret const& _secret) override { return submitTransaction(_ts, _secret, false); }
 	std::pair<h256, Address> submitTransaction(eth::TransactionSkeleton const& _ts, Secret const& _secret, bool _gasAuto);
 	dev::eth::ExecutionResult call(Address const& _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice, eth::BlockNumber _blockNumber, bool _gasAuto, eth::FudgeFactor _ff = eth::FudgeFactor::Strict);
-	ExecutionResult debugTransaction(dev::eth::Transaction const& _t, eth:: State const& _state, eth::LastHashes _lastHashes, bool _call);
+	ExecutionResult debugTransaction(dev::eth::Transaction const& _t, eth:: State const& _state, eth::LastHashes const& _lastHashes, bool _call);
 	void setAddress(Address _us) override;
 	void startMining() override;
 	void stopMining() override;

mix/qml/BlockChain.qml

@@ -330,10 +330,9 @@ ColumnLayout {
 						for (var c in blinkReasons)
 						{
 							if (blinkReasons[c] === reason)
-							{
 								return true
 						}
-						}
+						return false
 					}