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-rw-r--r--core/chain_manager.go1
-rw-r--r--core/state/statedb.go1
-rw-r--r--core/types/block.go1
-rw-r--r--core/vm/vm.go1
4 files changed, 4 insertions, 0 deletions
diff --git a/core/chain_manager.go b/core/chain_manager.go
index d8123c14e..bd49bafc2 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// Package core implements the Ethereum consensus protocol.
package core
import (
diff --git a/core/state/statedb.go b/core/state/statedb.go
index 7271373dd..3a2ad10e2 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// Package state provides a caching layer atop the Ethereum state trie.
package state
import (
diff --git a/core/types/block.go b/core/types/block.go
index 45bab2c95..562fa64b9 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// Package types contains data types related to Ethereum consensus.
package types
import (
diff --git a/core/vm/vm.go b/core/vm/vm.go
index 3fca5f636..9b3fd0009 100644
--- a/core/vm/vm.go
+++ b/core/vm/vm.go
@@ -14,6 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// Package vm implements the Ethereum Virtual Machine.
package vm
import (