Moved logging to state, proper structured block

* Moved logs to state so it's subject to snapshotting
* Split up block header
* Removed logs from transactions and made them receipts only

vm/environment.go

@@ -20,7 +20,7 @@ type Environment interface {
 	BlockHash() []byte
 	GasLimit() *big.Int
 	Transfer(from, to Account, amount *big.Int) error
-	AddLog(Log)
+	AddLog(ethstate.Log)
 }
 
 type Object interface {
@@ -43,5 +43,9 @@ func Transfer(from, to Account, amount *big.Int) error {
 	from.SubBalance(amount)
 	to.AddBalance(amount)
 
+	// Add default LOG. Default = big(sender.addr) + 1
+	//addr := ethutil.BigD(receiver.Address())
+	//tx.addLog(vm.Log{sender.Address(), [][]byte{ethutil.U256(addr.Add(addr, ethutil.Big1)).Bytes()}, nil})
+
 	return nil
 }