1 files changed, 0 insertions, 170 deletions
diff --git a/vendor/github.com/dexon-foundation/dexon-consensus-core/core/agreement-state.go b/vendor/github.com/dexon-foundation/dexon-consensus-core/core/agreement-state.go
deleted file mode 100644
index 77569d549..000000000
--- a/vendor/github.com/dexon-foundation/dexon-consensus-core/core/agreement-state.go
+++ /dev/null
@@ -1,170 +0,0 @@
-// Copyright 2018 The dexon-consensus Authors
-// This file is part of the dexon-consensus library.
-//
-// The dexon-consensus 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 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 library. If not, see
-// <http://www.gnu.org/licenses/>.
-
-package core
-
-import (
-	"fmt"
-
-	"github.com/dexon-foundation/dexon-consensus/common"
-	"github.com/dexon-foundation/dexon-consensus/core/types"
-)
-
-// Errors for agreement state module.
-var (
-	ErrNoEnoughVoteInPrepareState = fmt.Errorf("no enough vote in prepare state")
-	ErrNoEnoughVoteInAckState     = fmt.Errorf("no enough vote in ack state")
-)
-
-// agreementStateType is the state of agreement
-type agreementStateType int
-
-// agreementStateType enum.
-const (
-	stateInitial agreementStateType = iota
-	statePreCommit
-	stateCommit
-	stateForward
-	statePullVote
-)
-
-var nullBlockHash = common.Hash{}
-var skipBlockHash common.Hash
-
-func init() {
-	for idx := range skipBlockHash {
-		skipBlockHash[idx] = 0xff
-	}
-}
-
-type agreementState interface {
-	state() agreementStateType
-	nextState() (agreementState, error)
-	clocks() int
-}
-
-//----- InitialState -----
-type initialState struct {
-	a *agreementData
-}
-
-func newInitialState(a *agreementData) *initialState {
-	return &initialState{a: a}
-}
-
-func (s *initialState) state() agreementStateType { return stateInitial }
-func (s *initialState) clocks() int               { return 0 }
-func (s *initialState) nextState() (agreementState, error) {
-	hash := s.a.recv.ProposeBlock()
-	s.a.lock.Lock()
-	defer s.a.lock.Unlock()
-	s.a.recv.ProposeVote(&types.Vote{
-		Type:      types.VoteInit,
-		BlockHash: hash,
-		Period:    s.a.period,
-	})
-	return newPreCommitState(s.a), nil
-}
-
-//----- PreCommitState -----
-type preCommitState struct {
-	a *agreementData
-}
-
-func newPreCommitState(a *agreementData) *preCommitState {
-	return &preCommitState{a: a}
-}
-
-func (s *preCommitState) state() agreementStateType { return statePreCommit }
-func (s *preCommitState) clocks() int               { return 2 }
-func (s *preCommitState) nextState() (agreementState, error) {
-	s.a.lock.RLock()
-	defer s.a.lock.RUnlock()
-	hash := s.a.lockValue
-	if hash == nullBlockHash {
-		hash = s.a.leader.leaderBlockHash()
-	}
-	s.a.recv.ProposeVote(&types.Vote{
-		Type:      types.VotePreCom,
-		BlockHash: hash,
-		Period:    s.a.period,
-	})
-	return newCommitState(s.a), nil
-}
-
-//----- CommitState -----
-type commitState struct {
-	a *agreementData
-}
-
-func newCommitState(a *agreementData) *commitState {
-	return &commitState{a: a}
-}
-
-func (s *commitState) state() agreementStateType { return stateCommit }
-func (s *commitState) clocks() int               { return 2 }
-func (s *commitState) nextState() (agreementState, error) {
-	hash, ok := s.a.countVote(s.a.period, types.VotePreCom)
-	s.a.lock.Lock()
-	defer s.a.lock.Unlock()
-	if ok && hash != skipBlockHash {
-		s.a.lockValue = hash
-		s.a.lockRound = s.a.period
-	} else {
-		hash = skipBlockHash
-	}
-	s.a.recv.ProposeVote(&types.Vote{
-		Type:      types.VoteCom,
-		BlockHash: hash,
-		Period:    s.a.period,
-	})
-	return newForwardState(s.a), nil
-}
-
-// ----- ForwardState -----
-type forwardState struct {
-	a *agreementData
-}
-
-func newForwardState(a *agreementData) *forwardState {
-	return &forwardState{a: a}
-}
-
-func (s *forwardState) state() agreementStateType { return stateForward }
-func (s *forwardState) clocks() int               { return 4 }
-
-func (s *forwardState) nextState() (agreementState, error) {
-	return newPullVoteState(s.a), nil
-}
-
-// ----- PullVoteState -----
-// pullVoteState is a special state to ensure the assumption in the consensus
-// algorithm that every vote will eventually arrive for all nodes.
-type pullVoteState struct {
-	a *agreementData
-}
-
-func newPullVoteState(a *agreementData) *pullVoteState {
-	return &pullVoteState{a: a}
-}
-
-func (s *pullVoteState) state() agreementStateType { return statePullVote }
-func (s *pullVoteState) clocks() int               { return 4 }
-
-func (s *pullVoteState) nextState() (agreementState, error) {
-	return s, nil
-}