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service.go
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service.go
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/*
* Copyright 2021 ICON Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package lcimporter
import (
"path"
"github.com/icon-project/goloop/chain/base"
"github.com/icon-project/goloop/common/containerdb"
"github.com/icon-project/goloop/common/log"
"github.com/icon-project/goloop/module"
"github.com/icon-project/goloop/service"
"github.com/icon-project/goloop/service/contract"
"github.com/icon-project/goloop/service/eeproxy"
"github.com/icon-project/goloop/service/scoredb"
"github.com/icon-project/goloop/service/state"
"github.com/icon-project/goloop/service/sync2"
)
type Service interface {
NewInitTransition(
result []byte, vl module.ValidatorList, logger log.Logger,
) (module.Transition, error)
NewTransition(
parent module.Transition, patchtxs module.TransactionList,
normaltxs module.TransactionList, bi module.BlockInfo,
csi module.ConsensusInfo, alreadyValidated bool,
) module.Transition
NewSyncTransition(
tr module.Transition, result []byte, vl []byte,
) module.Transition
FinalizeTransition(tr module.Transition, opt int, noFlush bool) error
GetNextBlockVersion(result []byte, vl module.ValidatorList) int
}
type BasicService struct {
Chain module.Chain
Plt base.Platform
BaseDir string
cm contract.ContractManager
pm eeproxy.Manager
}
const ContractPath = "contract"
func (s *BasicService) NewInitTransition(
result []byte, vl module.ValidatorList, logger log.Logger,
) (module.Transition, error) {
if logger == nil {
logger = s.Chain.Logger()
}
if s.cm == nil {
cm, err := s.Plt.NewContractManager(s.Chain.Database(), path.Join(s.BaseDir, ContractPath), s.Chain.Logger())
if err != nil {
return nil, err
}
s.cm = cm
}
tr, err := service.NewInitTransition(s.Chain.Database(), result, vl, s.cm, s.pm,
s.Chain, logger, s.Plt, service.NewTimestampChecker())
if err != nil {
return nil, err
}
err = service.FinalizeTransition(tr, module.FinalizeResult, true)
if err != nil {
return nil, err
}
return tr, nil
}
func (s *BasicService) NewTransition(
parent module.Transition, patchtxs module.TransactionList,
normaltxs module.TransactionList, bi module.BlockInfo,
csi module.ConsensusInfo, alreadyValidated bool,
) module.Transition {
return service.NewTransition(parent, patchtxs, normaltxs, bi, csi, alreadyValidated)
}
func (s *BasicService) NewSyncTransition(tr module.Transition, result []byte,
vl []byte,
) module.Transition {
return nil
}
func (s *BasicService) FinalizeTransition(tr module.Transition, opt int, noFlush bool) error {
return service.FinalizeTransition(tr, opt, noFlush)
}
const CIDOfMainNet = 1
func (s *BasicService) GetNextBlockVersion(result []byte, vl module.ValidatorList) int {
if result == nil {
return s.Plt.DefaultBlockVersionFor(CIDOfMainNet)
}
wss, err := service.NewWorldSnapshot(s.Chain.Database(), s.Plt, result, vl)
if err != nil {
return -1
}
var bss containerdb.BytesStoreState
ass := wss.GetAccountSnapshot(state.SystemID)
if ass == nil {
bss = containerdb.EmptyBytesStoreState
} else {
bss = scoredb.NewStateStoreWith(ass)
}
v := int(scoredb.NewVarDB(bss, state.VarNextBlockVersion).Int64())
if v == 0 {
return s.Plt.DefaultBlockVersionFor(CIDOfMainNet)
}
return v
}
type defaultService struct {
BasicService
syncMan service.SyncManager
}
func NewService(c module.Chain, plt base.Platform, pm eeproxy.Manager, baseDir string) (Service, error) {
return &defaultService{
BasicService: BasicService{
Chain: c,
Plt: plt,
BaseDir: baseDir,
pm: pm,
},
syncMan: sync2.NewSyncManager(c.Database(), c.NetworkManager(), plt, c.Logger()),
}, nil
}
func (s *defaultService) NewSyncTransition(tr module.Transition, result []byte,
vl []byte,
) module.Transition {
return service.NewSyncTransition(tr, s.syncMan, result, vl, false)
}