cherry-picked simulation scripts

core/database_util.go

@@ -447,6 +447,9 @@ func WriteTd(db ethdb.Putter, hash common.Hash, number uint64, td *big.Int) erro
 
 // WriteBlock serializes a block into the database, header and body separately.
 func WriteBlock(db ethdb.Putter, block *types.Block) error {
+	fmt.Println("+++++++++++++++++++++++++++")
+	fmt.Println(block.Transactions())
+	fmt.Println("+++++++++++++++++++++++++++")
 	// Store the body first to retain database consistency
 	if err := WriteBody(db, block.Hash(), block.NumberU64(), block.Body()); err != nil {
 		return err

shyftdb/shyft_database_util.go

@@ -7,6 +7,5 @@ import (
 )
 
 func WriteBlock(db ethdb.Putter, block *types.Block) error {
-	fmt.Println(block)
 	return nil
 }