Merge pull request #11 from han0110/fix/missing-difficulty

Fix: set missing difficulty in block header

minigeth/main.go

@@ -68,6 +68,8 @@ func main() {
 	processor := core.NewStateProcessor(params.MainnetChainConfig, bc, bc.Engine())
 	fmt.Println("processing state:", parent.Number, "->", newheader.Number)
 
+	newheader.Difficulty = bc.Engine().CalcDifficulty(bc, newheader.Time, &parent)
+
 	// read txs
 	//traverseStackTrie(newheader.TxHash)
 

minigeth/oracle/prefetch.go

@@ -197,7 +197,7 @@ func Output(output common.Hash) {
 	if output == inputs[6] {
 		fmt.Println("good transition")
 	} else {
-		fmt.Println(output, "!=", inputs[5])
+		fmt.Println(output, "!=", inputs[6])
 		panic("BAD transition :((")
 	}
 }

minigeth/oracle/preimage.go

@@ -21,7 +21,7 @@ func Preimage(hash common.Hash) []byte {
 		fmt.Println("can't find preimage", hash)
 	}
 	comphash := crypto.Keccak256Hash(val)
-	if hash != comphash {
+	if ok && hash != comphash {
 		panic("corruption in hash " + hash.String())
 	}
 	return val