Initial block reorganisation code

ethchain/state_manager.go

@@ -201,7 +201,6 @@ func (sm *StateManager) ProcessBlock(block *Block, dontReact bool) error {
 
 	return nil
 }
-
 func (sm *StateManager) CalculateTD(block *Block) bool {
 	uncleDiff := new(big.Int)
 	for _, uncle := range block.Uncles {
@@ -215,6 +214,9 @@ func (sm *StateManager) CalculateTD(block *Block) bool {
 
 	// The new TD will only be accepted if the new difficulty is
 	// is greater than the previous.
+	fmt.Println("new block td:", td)
+	fmt.Println("cur block td:", sm.bc.TD)
+
 	if td.Cmp(sm.bc.TD) > 0 {
 		// Set the new total difficulty back to the block chain
 		sm.bc.SetTotalDifficulty(td)