core: update governance interface and move K into config (#40)

2 files changed, 46 insertions, 16 deletions

diff --git a/core/types/configuration.go b/core/types/configuration.go
new file mode 100644
index 0000000..4158331
--- /dev/null
+++ b/core/types/configuration.go
@@ -0,0 +1,46 @@
+// Copyright 2018 The dexon-consensus-core Authors
+// This file is part of the dexon-consensus-core library.
+//
+// The dexon-consensus-core 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 dexon-consensus-core 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 dexon-consensus-core library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package types
+
+// ConfigurationChangeEventType specifies the action of a membership event.
+type ConfigurationChangeEventType int
+
+// Event enums.
+const (
+	KChanged ConfigurationChangeEventType = iota
+	MembershipAdd
+	MembershipRemove
+)
+
+// IntegerEventPayload is a general payload for integer type value.
+type IntegerEventPayload struct {
+	Value int64
+}
+
+// MembershipEventPayload is the payload type for membership event.
+type MembershipEventPayload struct {
+	ID       ValidatorID
+	Evidence []byte
+}
+
+// ConfigurationChangeEvent specifies the event of membership changes.
+type ConfigurationChangeEvent struct {
+	Epoch   int
+	Event   ConfigurationChangeEventType
+	Payload interface{}
+}
diff --git a/core/types/membership-event.go b/core/types/membership-event.go
deleted file mode 100644
index 8d05039..0000000
--- a/core/types/membership-event.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package types
-
-// MembershipActionType specifies the action of a membership event.
-type MembershipActionType int
-
-// Event enums.
-const (
-	MembershipActionAdd MembershipActionType = iota
-	MembershipActionDelete
-)
-
-// MembershipEvent specifies the event of membership changes.
-type MembershipEvent struct {
-	Epoch  int
-	Action MembershipActionType
-}