/
utils.go
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/
utils.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package utils
import (
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
fpcmgmt "github.com/hyperledger/fabric-private-chaincode/client_sdk/go/pkg/client/resmgmt"
"github.com/hyperledger/fabric-private-chaincode/client_sdk/go/pkg/fab/ccpackager"
fpcpackager "github.com/hyperledger/fabric-private-chaincode/client_sdk/go/pkg/fab/ccpackager"
"github.com/hyperledger/fabric-private-chaincode/client_sdk/go/pkg/sgx"
"github.com/hyperledger/fabric-protos-go/common"
"github.com/hyperledger/fabric-sdk-go/pkg/client/resmgmt"
"github.com/hyperledger/fabric-sdk-go/pkg/common/errors/retry"
"github.com/hyperledger/fabric-sdk-go/pkg/core/config"
lifecyclepkg "github.com/hyperledger/fabric-sdk-go/pkg/fab/ccpackager/lifecycle"
"github.com/hyperledger/fabric-sdk-go/pkg/fabsdk"
"github.com/hyperledger/fabric-sdk-go/pkg/gateway"
"github.com/hyperledger/fabric/common/flogging"
)
var (
FPCPath string
testNetworkPath string
ccpPath string
logger = flogging.MustGetLogger("client_sdk_test")
)
type chaincodeDetails struct {
Id string
Path string
Version string
Lang string
Policy *common.SignaturePolicyEnvelope
Seq int64
Vscc string
Escc string
InitRequired bool
Package []byte
PackageID string
}
type networkDetails struct {
ChannelID string
Peers []string
Orderers []string
EnclavePeers []string
CaaSEndpoint map[string]string
}
func init() {
os.Setenv("GRPC_TRACE", "all")
os.Setenv("GRPC_VERBOSITY", "DEBUG")
os.Setenv("GRPC_GO_LOG_SEVERITY_LEVEL", "INFO")
FPCPath = os.Getenv("FPC_PATH")
if FPCPath == "" {
panic("FPC_PATH not set")
}
testNetworkPath = filepath.Join(FPCPath, "integration")
ccpPath = filepath.Join(
testNetworkPath,
"config",
"msp",
"connection.yaml",
)
}
func populateWallet(wallet *gateway.Wallet) error {
credPath := filepath.Join(
testNetworkPath,
"config",
"msp",
)
certPath := filepath.Join(credPath, "signcerts", "peer.pem")
// read the certificate pem
cert, err := ioutil.ReadFile(filepath.Clean(certPath))
if err != nil {
return err
}
keyDir := filepath.Join(credPath, "keystore")
// there's a single file in this dir containing the private key
files, err := ioutil.ReadDir(keyDir)
if err != nil {
return err
}
if len(files) != 1 {
return fmt.Errorf("keystore folder should have contain one file")
}
keyPath := filepath.Join(keyDir, files[0].Name())
key, err := ioutil.ReadFile(filepath.Clean(keyPath))
if err != nil {
return err
}
identity := gateway.NewX509Identity("SampleOrg", string(cert), string(key))
return wallet.Put("appUser", identity)
}
func SetupNetwork(channel string) (*gateway.Network, error) {
err := os.Setenv("DISCOVERY_AS_LOCALHOST", "false")
if err != nil {
return nil, fmt.Errorf("error setting DISCOVERY_AS_LOCALHOST environment variable: %v", err)
}
wallet, err := gateway.NewFileSystemWallet("wallet")
if err != nil {
return nil, fmt.Errorf("failed to create wallet: %v", err)
}
if !wallet.Exists("appUser") {
err = populateWallet(wallet)
if err != nil {
return nil, fmt.Errorf("failed to populate wallet contents: %v", err)
}
}
gw, err := gateway.Connect(
gateway.WithConfig(config.FromFile(filepath.Clean(ccpPath))),
gateway.WithIdentity(wallet, "appUser"),
)
if err != nil {
return nil, fmt.Errorf("failed to connect to gateway: %v", err)
}
defer gw.Close()
network, err := gw.GetNetwork(channel)
if err != nil {
return nil, fmt.Errorf("failed to get network: %v", err)
}
return network, nil
}
func Setup(ccID, ccPath string, initEnclave bool) error {
var enclavePeers []string
if initEnclave {
enclavePeers = append(enclavePeers, "jdoe_test.sampleorg.example.com")
}
nwDetails := &networkDetails{
ChannelID: "mychannel",
Peers: []string{"jdoe_test.sampleorg.example.com"},
Orderers: []string{"orderer.example.com"},
EnclavePeers: enclavePeers,
}
mrenclave, err := ccpackager.ReadMrenclave(ccPath)
if err != nil {
return err
}
ccDetails := &chaincodeDetails{
Id: ccID,
Path: ccPath,
Version: mrenclave,
Lang: ccpackager.ChaincodeType,
Seq: int64(1),
Vscc: "vscc",
Escc: "escc",
InitRequired: false,
}
// get sdk instance
sdk, err := fabsdk.New(config.FromFile(filepath.Clean(ccpPath)))
if err != nil {
return fmt.Errorf("failed to create sdk: %v", err)
}
defer sdk.Close()
// new client
orgAdmin := "Admin"
orgName := "SampleOrg"
adminContext := sdk.Context(fabsdk.WithUser(orgAdmin), fabsdk.WithOrg(orgName))
client, err := fpcmgmt.New(adminContext)
if err != nil {
return fmt.Errorf("failed to create context: %v", err)
}
// install fpc chaincode
err = installChaincode(client, ccDetails, nwDetails)
if err != nil {
return fmt.Errorf("error during installing chaincode: %v", err)
}
return nil
}
func installChaincode(client *fpcmgmt.Client, cc *chaincodeDetails, nw *networkDetails) error {
// TODO promote this install function to a test suite for the FPC Admin API
// Right now this is used by the auction test to setup the "environment"; additional testing
// of the FPC Admin API would be good here.
// get sgx mode
sgxMode := os.Getenv(sgx.SGXModeEnvKey)
if sgxMode == "" {
return errors.New("sgx mode is not set via env vars")
}
// package
desc := &fpcpackager.Descriptor{
Path: cc.Path,
Type: cc.Lang,
Label: cc.Id,
SGXMode: sgxMode,
}
ccPkg, err := fpcpackager.NewCCPackage(desc)
if err != nil {
return fmt.Errorf("failed to create new chaincode package: %v", err)
}
logger.Infof("%s successfully packaged", cc.Id)
// install
installCCReq := resmgmt.LifecycleInstallCCRequest{
Label: cc.Id,
Package: ccPkg,
}
resp, err := client.LifecycleInstallCC(installCCReq, resmgmt.WithRetry(retry.DefaultResMgmtOpts))
if err != nil {
return fmt.Errorf("failed to install chaincode: %v", err)
}
packageID := lifecyclepkg.ComputePackageID(installCCReq.Label, installCCReq.Package)
logger.Infof("%s successfully installed: %v", cc.Id, resp)
// approveformyorg
approveCCReq := resmgmt.LifecycleApproveCCRequest{
Name: cc.Id,
Version: cc.Version,
PackageID: packageID,
Sequence: cc.Seq,
EndorsementPlugin: cc.Escc,
ValidationPlugin: cc.Vscc,
SignaturePolicy: cc.Policy,
InitRequired: cc.InitRequired,
}
txid, err := client.LifecycleApproveCC(nw.ChannelID, approveCCReq,
resmgmt.WithRetry(retry.DefaultResMgmtOpts),
resmgmt.WithTargetEndpoints(nw.Peers...),
resmgmt.WithOrdererEndpoint(nw.Orderers[0]),
)
if err != nil {
return fmt.Errorf("failed to approve chaincode: %v", err)
}
logger.Infof("%s successfully approved with txid: %v", cc.Id, txid)
// checkcommitreadiness
checkCCReq := resmgmt.LifecycleCheckCCCommitReadinessRequest{
Name: cc.Id,
Version: cc.Version,
Sequence: cc.Seq,
EndorsementPlugin: cc.Escc,
ValidationPlugin: cc.Vscc,
SignaturePolicy: cc.Policy,
InitRequired: cc.InitRequired,
}
chkresp, err := client.LifecycleCheckCCCommitReadiness(nw.ChannelID, checkCCReq,
resmgmt.WithRetry(retry.DefaultResMgmtOpts),
resmgmt.WithTargetEndpoints(nw.Peers...),
)
if err != nil {
return fmt.Errorf("failed to check chaincode commit readiness: %v", err)
}
logger.Infof("%s readiness check: %v", cc.Id, chkresp)
// commit
commitCCReq := resmgmt.LifecycleCommitCCRequest{
Name: cc.Id,
Version: cc.Version,
Sequence: cc.Seq,
EndorsementPlugin: cc.Escc,
ValidationPlugin: cc.Vscc,
SignaturePolicy: cc.Policy,
InitRequired: cc.InitRequired,
}
_, err = client.LifecycleCommitCC(nw.ChannelID, commitCCReq,
resmgmt.WithRetry(retry.DefaultResMgmtOpts),
resmgmt.WithTargetEndpoints(nw.Peers...),
resmgmt.WithOrdererEndpoint(nw.Orderers[0]),
)
if err != nil {
return fmt.Errorf("failed to commit chaincode: %v", err)
}
logger.Infof("%s successfully committed", cc.Id)
// init enclave
if len(nw.EnclavePeers) > 0 {
attestationParams, err := sgx.CreateAttestationParamsFromEnvironment()
if err != nil {
return fmt.Errorf("failed to load attestation params from environment: %v", err)
}
initReq := fpcmgmt.LifecycleInitEnclaveRequest{
ChaincodeID: cc.Id,
EnclavePeerEndpoint: nw.EnclavePeers[0], // define the peer where we wanna init our enclave
AttestationParams: attestationParams,
}
initTxId, err := client.LifecycleInitEnclave(nw.ChannelID, initReq,
// Note that these options are currently ignored by our implementation
resmgmt.WithRetry(retry.DefaultResMgmtOpts),
resmgmt.WithTargetEndpoints(nw.Peers...), // peers that are responsible for enclave registration
resmgmt.WithOrdererEndpoint(nw.Orderers[0]),
)
if err != nil {
return fmt.Errorf("failed to init enclave: %v", err)
}
logger.Infof("%s successfully initialized enclave: %v", cc.Id, initTxId)
} else {
logger.Infof("%s Skip enclave initialization", cc.Id)
}
return nil
}