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env.go
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env.go
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//<developer>
// <name>linapex 曹一峰</name>
// <email>linapex@163.com</email>
// <wx>superexc</wx>
// <qqgroup>128148617</qqgroup>
// <url>https://jsq.ink</url>
// <role>pku engineer</role>
// <date>2019-03-16 19:40:11</date>
//</624456020168544256>
/*
版权所有IBM公司。保留所有权利。
SPDX许可证标识符:Apache-2.0
**/
package tests
import (
"os"
"path/filepath"
"testing"
"github.com/hyperledger/fabric/common/metrics/disabled"
"github.com/hyperledger/fabric/msp"
"github.com/hyperledger/fabric/msp/mgmt"
"github.com/hyperledger/fabric/protos/common"
"github.com/hyperledger/fabric/common/ledger/blkstorage/fsblkstorage"
"github.com/hyperledger/fabric/common/ledger/util"
"github.com/hyperledger/fabric/core/common/privdata"
"github.com/hyperledger/fabric/core/ledger/ledgerconfig"
"github.com/hyperledger/fabric/core/ledger/ledgermgmt"
"github.com/hyperledger/fabric/core/peer"
"github.com/hyperledger/fabric/core/scc/lscc"
"github.com/spf13/viper"
"github.com/stretchr/testify/assert"
)
type config map[string]interface{}
type rebuildable uint8
const (
rebuildableStatedb rebuildable = 1
rebuildableBlockIndex rebuildable = 2
rebuildableConfigHistory rebuildable = 4
rebuildableHistoryDB rebuildable = 8
)
var (
defaultConfig = config{
"peer.fileSystemPath": "/tmp/fabric/ledgertests",
"ledger.state.stateDatabase": "goleveldb",
}
)
type env struct {
assert *assert.Assertions
}
func newEnv(conf config, t *testing.T) *env {
setupConfigs(conf)
env := &env{assert.New(t)}
initLedgerMgmt()
return env
}
func (e *env) cleanup() {
closeLedgerMgmt()
e.assert.NoError(os.RemoveAll(getLedgerRootPath()))
}
func (e *env) closeAllLedgersAndDrop(flags rebuildable) {
closeLedgerMgmt()
defer initLedgerMgmt()
if flags&rebuildableBlockIndex == rebuildableBlockIndex {
indexPath := getBlockIndexDBPath()
logger.Infof("Deleting blockstore indexdb path [%s]", indexPath)
e.verifyNonEmptyDirExists(indexPath)
e.assert.NoError(os.RemoveAll(indexPath))
}
if flags&rebuildableStatedb == rebuildableStatedb {
statedbPath := getLevelstateDBPath()
logger.Infof("Deleting statedb path [%s]", statedbPath)
e.verifyNonEmptyDirExists(statedbPath)
e.assert.NoError(os.RemoveAll(statedbPath))
}
if flags&rebuildableConfigHistory == rebuildableConfigHistory {
configHistory := getConfigHistoryDBPath()
logger.Infof("Deleting configHistory db path [%s]", configHistory)
e.verifyNonEmptyDirExists(configHistory)
e.assert.NoError(os.RemoveAll(configHistory))
}
}
func (e *env) verifyRebuilablesExist(flags rebuildable) {
if flags&rebuildableStatedb == rebuildableBlockIndex {
e.verifyNonEmptyDirExists(getBlockIndexDBPath())
}
if flags&rebuildableBlockIndex == rebuildableStatedb {
e.verifyNonEmptyDirExists(getLevelstateDBPath())
}
if flags&rebuildableConfigHistory == rebuildableConfigHistory {
e.verifyNonEmptyDirExists(getConfigHistoryDBPath())
}
}
func (e *env) verifyRebuilableDoesNotExist(flags rebuildable) {
if flags&rebuildableStatedb == rebuildableStatedb {
e.verifyDirDoesNotExist(getLevelstateDBPath())
}
if flags&rebuildableStatedb == rebuildableBlockIndex {
e.verifyDirDoesNotExist(getBlockIndexDBPath())
}
if flags&rebuildableConfigHistory == rebuildableConfigHistory {
e.verifyDirDoesNotExist(getConfigHistoryDBPath())
}
}
func (e *env) verifyNonEmptyDirExists(path string) {
empty, err := util.DirEmpty(path)
e.assert.NoError(err)
e.assert.False(empty)
}
func (e *env) verifyDirDoesNotExist(path string) {
exists, _, err := util.FileExists(path)
e.assert.NoError(err)
e.assert.False(exists)
}
//########################### ledgermgmt and ledgerconfig related functions wrappers #############################
//在当前代码中,ledgermgmt和ledgerconfigs是打包的作用域API,因此下面是
//包装器API。作为TODO,可以将ledgermgmt和ledgerconfig重构为单独的对象,然后
//这两个实例将包装在上面的“env”结构中。
//#################################################################################################################
func setupConfigs(conf config) {
for c, v := range conf {
viper.Set(c, v)
}
}
func initLedgerMgmt() {
identityDeserializerFactory := func(chainID string) msp.IdentityDeserializer {
return mgmt.GetManagerForChain(chainID)
}
membershipInfoProvider := privdata.NewMembershipInfoProvider(createSelfSignedData(), identityDeserializerFactory)
ledgermgmt.InitializeExistingTestEnvWithInitializer(
&ledgermgmt.Initializer{
CustomTxProcessors: peer.ConfigTxProcessors,
DeployedChaincodeInfoProvider: &lscc.DeployedCCInfoProvider{},
MembershipInfoProvider: membershipInfoProvider,
MetricsProvider: &disabled.Provider{},
},
)
}
func createSelfSignedData() common.SignedData {
sID := mgmt.GetLocalSigningIdentityOrPanic()
msg := make([]byte, 32)
sig, err := sID.Sign(msg)
if err != nil {
logger.Panicf("Failed creating self signed data because message signing failed: %v", err)
}
peerIdentity, err := sID.Serialize()
if err != nil {
logger.Panicf("Failed creating self signed data because peer identity couldn't be serialized: %v", err)
}
return common.SignedData{
Data: msg,
Signature: sig,
Identity: peerIdentity,
}
}
func closeLedgerMgmt() {
ledgermgmt.Close()
}
func getLedgerRootPath() string {
return ledgerconfig.GetRootPath()
}
func getLevelstateDBPath() string {
return ledgerconfig.GetStateLevelDBPath()
}
func getBlockIndexDBPath() string {
return filepath.Join(ledgerconfig.GetBlockStorePath(), fsblkstorage.IndexDir)
}
func getConfigHistoryDBPath() string {
return ledgerconfig.GetConfigHistoryPath()
}