core: Added EVM configuration options

The EVM is now initialised with an additional configured object that
allows you to turn on debugging options.

core/blockchain.go

@@ -891,7 +891,7 @@ func (self *BlockChain) InsertChain(chain types.Blocks) (int, error) {
 			return i, err
 		}
 		// Process block using the parent state as reference point.
-		receipts, logs, usedGas, err := self.processor.Process(block, statedb)
+		receipts, logs, usedGas, err := self.processor.Process(block, statedb, nil)
 		if err != nil {
 			reportBlock(block, err)
 			return i, err