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-rw-r--r--core/test/interface.go29
1 files changed, 24 insertions, 5 deletions
diff --git a/core/test/interface.go b/core/test/interface.go
index 6c7b22e..0e963fd 100644
--- a/core/test/interface.go
+++ b/core/test/interface.go
@@ -1,13 +1,13 @@
// 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
+// 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
+// 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.
//
@@ -17,7 +17,10 @@
package test
-import "github.com/dexon-foundation/dexon-consensus-core/blockdb"
+import (
+ "github.com/dexon-foundation/dexon-consensus-core/blockdb"
+ "github.com/dexon-foundation/dexon-consensus-core/core/types"
+)
// Revealer defines the interface to reveal a group
// of pre-generated blocks.
@@ -27,3 +30,19 @@ type Revealer interface {
// Reset the revealing.
Reset()
}
+
+// Stopper defines an interface for Scheduler to tell when to stop execution.
+type Stopper interface {
+ // ShouldStop is provided with the ID of the handler just finishes an event.
+ // It's thread-safe to access internal/shared state of the handler at this
+ // moment.
+ // The Stopper should check state of that handler and return 'true'
+ // if the execution could be stopped.
+ ShouldStop(vID types.ValidatorID) bool
+}
+
+// EventHandler defines an interface to handle a Scheduler event.
+type EventHandler interface {
+ // Handle the event belongs to this handler, and return derivated events.
+ Handle(*Event) []*Event
+}