From c734dde982c4ce778afa074e94efb09e552dbd84 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Fri, 13 Jun 2014 13:06:27 +0200
Subject: [PATCH] comments & refactor

---
 ethchain/state_manager.go    |  4 +++-
 ethchain/state_transition.go | 20 ++++++++++++++++----
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/ethchain/state_manager.go b/ethchain/state_manager.go
index 576afa8d3..c68d5e001 100644
--- a/ethchain/state_manager.go
+++ b/ethchain/state_manager.go
@@ -124,6 +124,9 @@ done:
 			}
 		}
 
+		// Notify all subscribers
+		self.Ethereum.Reactor().Post("newTx:post", tx)
+
 		txGas.Sub(txGas, st.gas)
 		accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
 		receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
@@ -158,7 +161,6 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
 	hash := block.Hash()
 
 	if sm.bc.HasBlock(hash) {
-		//fmt.Println("[STATE] We already have this block, ignoring")
 		return nil
 	}
 
diff --git a/ethchain/state_transition.go b/ethchain/state_transition.go
index 6ec9205e9..1256d019c 100644
--- a/ethchain/state_transition.go
+++ b/ethchain/state_transition.go
@@ -6,6 +6,22 @@ import (
 	"math/big"
 )
 
+/*
+ * The State transitioning model
+ *
+ * A state transition is a change made when a transaction is applied to the current world state
+ * The state transitioning model does all all the necessary work to work out a valid new state root.
+ * 1) Nonce handling
+ * 2) Pre pay / buy gas of the coinbase (miner)
+ * 3) Create a new state object if the recipient is \0*32
+ * 4) Value transfer
+ * == If contract creation ==
+ * 4a) Attempt to run transaction data
+ * 4b) If valid, use result as code for the new state object
+ * == end ==
+ * 5) Run Script section
+ * 6) Derive new state root
+ */
 type StateTransition struct {
 	coinbase []byte
 	tx       *Transaction
@@ -115,10 +131,6 @@ func (self *StateTransition) TransitionState() (err error) {
 	}
 
 	sender.Nonce += 1
-	defer func() {
-		// Notify all subscribers
-		//self.Ethereum.Reactor().Post("newTx:post", tx)
-	}()
 
 	if err = self.BuyGas(); err != nil {
 		return err