core: vm: refactor file structure

For support other vm types, this pr modified the core/vm file
structures.

1 files changed, 24 insertions, 0 deletions

diff --git a/core/vm/evm/doc.go b/core/vm/evm/doc.go
new file mode 100644
index 000000000..27986e0c4
--- /dev/null
+++ b/core/vm/evm/doc.go
@@ -0,0 +1,24 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+/*
+Package vm implements the Ethereum Virtual Machine.
+
+The vm package implements one EVM, a byte code VM. The BC (Byte Code) VM loops
+over a set of bytes and executes them according to the set of rules defined
+in the Ethereum yellow paper.
+*/
+package evm