/
main.go
499 lines (429 loc) · 12 KB
/
main.go
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package main
import (
"fmt"
"github.com/CognitionFoundry/gohfc"
"os"
"math/rand"
"context"
)
const ADM_PK = "/path/to/admin/cert.pem"
const ADM_SK = "/path/to/admin/admin.key"
func main() {
// initialize Fabric client
c, err := gohfc.NewFabricClient("./client.yaml")
if err != nil {
fmt.Printf("Error loading file: %v", err)
os.Exit(1)
}
// Initialize FabricCa client
ca, err := gohfc.NewCAClient("./ca.yaml", nil)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Optional, define which attributes to be included in ECert. This attributes must be set when entity is registered.
// If not provided attributes from registration with attribute Ecert will be included.
attrs := []gohfc.CaEnrollAttribute{{
Name: "attr1",
Optional: true,
},
{
Name: "attr2",
Optional: true,
},
}
enrollRequest := gohfc.CaEnrollmentRequest{EnrollmentId: "user", Secret: "password", Attrs: attrs}
identity, _, err := ca.Enroll(enrollRequest)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// if you want to export ECert as .pem file use identity.ToPem()
// if you want to serialize Identity in text form use MarshalIdentity(identity) and UnmarshalIdentity() for reverse operation
// CA calls examples
register(ca, identity)
reenroll(ca, identity)
getCaCerts(ca, identity)
listAffiliation(ca, identity)
removeAffiliation(ca, identity)
modifyAffiliation(ca, identity)
addAffiliation(ca, identity)
listAllIdentities(ca, identity)
getIdentity(ca, identity)
removeIdentity(ca, identity)
modifyIdentity(ca, identity)
revoke(ca, identity)
// Fabric calls examples
// some operations require admin certificate
createUpdateChannel(c)
joinChannel(c)
installCC(c)
instantiateCC(c)
queryInstalledChaincodes(c)
queryInstantiatedChaincodes(c)
queryChannels(c, identity)
queryChannelInfo(c)
query(c, identity)
invoke(c, *identity, []string{"invoke", "a", "b", "20"})
queryTransaction(c, identity)
eventFullBlock(c, identity)
eventFilteredBlock(c, identity)
}
func eventFullBlock(client *gohfc.FabricClient, identity *gohfc.Identity) {
ch := make(chan gohfc.EventBlockResponse)
ctx, cancel := context.WithCancel(context.Background())
err := client.ListenForFullBlock(ctx, *identity, "peer0", "testchannel", ch)
if err != nil {
fmt.Println(err)
cancel()
}
for d := range ch {
fmt.Println(d)
}
}
func eventFilteredBlock(client *gohfc.FabricClient, identity *gohfc.Identity) {
ch := make(chan gohfc.EventBlockResponse)
ctx, cancel := context.WithCancel(context.Background())
err := client.ListenForFullBlock(ctx, *identity, "peer0", "testchannel", ch)
if err != nil {
fmt.Println(err)
cancel()
}
for d := range ch {
fmt.Println(d)
}
}
func invoke(client *gohfc.FabricClient, identity gohfc.Identity, q []string) {
chaincode := gohfc.ChainCode{
ChannelId: "testchannel",
Type: gohfc.ChaincodeSpec_GOLANG,
Name: "samplechaincode",
Version: "1.0",
Args: q,
}
result, err := client.Invoke(identity, chaincode, []string{"peer01", "peer11"}, "orderer0")
if err != nil {
fmt.Println(err)
os.Exit(2)
}
fmt.Println(result)
}
func query(client *gohfc.FabricClient, identity *gohfc.Identity) {
chaincode := &gohfc.ChainCode{
ChannelId: "testchannel",
Type: gohfc.ChaincodeSpec_GOLANG,
Name: "samplechaincode",
Version: "1.0",
Args: []string{"query", "a"},
}
result, err := client.Query(*identity, *chaincode, []string{"peer01"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(result)
}
func queryTransaction(client *gohfc.FabricClient, identity *gohfc.Identity) {
txid := "dd0945350a2e9e24515826f8fa6c7c8c5150001f0111478d7340d542dce6bd06"
result, err := client.QueryTransaction(*identity, "testchannel", txid, []string{"peer0"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(result)
}
func queryChannelInfo(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
result, err := client.QueryChannelInfo(*admin, "testchannel", []string{"peer0", "peer1"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(result)
}
func queryChannels(client *gohfc.FabricClient, identity *gohfc.Identity) {
result, err := client.QueryChannels(*identity, []string{"peer0", "peer1"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(result)
}
func queryInstantiatedChaincodes(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
result, err := client.QueryInstantiatedChainCodes(*admin, "testchannel", []string{"peer0"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(result)
}
func queryInstalledChaincodes(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
response, err := client.QueryInstalledChainCodes(*admin, []string{"peer0"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(response)
}
func instantiateCC(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
req := &gohfc.ChainCode{
Type: gohfc.ChaincodeSpec_GOLANG,
ChannelId: "testchannel",
Name: "samplechaincode",
Version: "1.0",
Args: []string{"init", "a", "100", "b", "200"}, // optional arguments for instantiation
}
// gohfc.CollectionConfig is new for v 1.1 and specify private collections for this chaincode. It is optional.
cc := []gohfc.CollectionConfig{
{
MaximumPeersCount: 2,
RequiredPeersCount: 1,
Name: "marbleTest",
Organizations: []string{"comp1Msp", "comp2Msp"},
},
}
response, err := client.InstantiateChainCode(*admin, req, []string{"peer01", "peer11"}, "orderer0", "deploy", cc)
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(response)
}
func installCC(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
req := &gohfc.InstallRequest{
ChainCodeType: gohfc.ChaincodeSpec_GOLANG,
ChannelId: "testchannel",
ChainCodeName: "samplechaincode",
ChainCodeVersion: "1.0",
Namespace: "github.com/hyperledger/fabric-samples/chaincode/chaincode_example02/go/",
SrcPath: "/absolute/path/to/folder/containing/chaincode",
Libraries: []gohfc.ChaincodeLibrary{
{
Namespace: "namespace",
SrcPath: "path",
},
},
}
response, err := client.InstallChainCode(*admin, req, []string{"peer01", "peer11"})
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(response)
}
func joinChannel(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
response, err := client.JoinChannel(*admin, "testchannel", []string{"peer01", "peer11"}, "orderer0")
if err != nil {
fmt.Print(err)
os.Exit(2)
}
fmt.Println(response)
}
func createUpdateChannel(client *gohfc.FabricClient) {
admin, err := gohfc.LoadCertFromFile(ADM_PK, ADM_SK)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Please note that we must provide MSPid manually because Identity is not from FabricCA
admin.MspId = "comp1Msp"
err = client.CreateUpdateChannel(*admin, "/path/to/channel-artifacts/testchannel.tx", "testchannel", "orderer1")
fmt.Print(err)
}
func register(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
// Optional list of attributes
attr := []gohfc.CaRegisterAttribute{{
Name: "option1",
Value: "option1 value",
ECert: true,
},
{
Name: "option2",
Value: "option2 value",
ECert: false,
}}
rr := gohfc.CARegistrationRequest{
EnrolmentId: "newUserName",
Secret: "qwerty",
Affiliation: "comp1org",
Type: "user",
Attrs: attr}
resp, err := ca.Register(identity, &rr)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func reenroll(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
// optional attributes
req := gohfc.CaReEnrollmentRequest{
Identity: identity,
Attrs: []gohfc.CaEnrollAttribute{
{
Name: "option2",
Optional: true,
},
},
}
resp, _, err := ca.ReEnroll(req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func revoke(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
// To revoke user use:
rr := gohfc.CARevocationRequest{EnrollmentId: "newUser1"}
// To revoke specific sertificate use:
rr = gohfc.CARevocationRequest{
AKI: "A84DEDAE57124E3D8305C9B8303E74A6EE196E27",
Serial: "64e888fd586a6226016a70c22f2f5d95baa92599",
GenCRL: true}
r, err := ca.Revoke(identity, &rr)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(r)
}
func getCaCerts(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
resp, err := ca.GetCaCertificateChain("")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func listAffiliation(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
// path is optional
resp, err := ca.ListAffiliations(identity, "organization1", "")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp.CAName)
fmt.Println(resp.Name)
fmt.Println(resp.Affiliations)
}
func addAffiliation(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
req := gohfc.CAAddAffiliationRequest{Name: "organization1.dep2", Force: false}
resp, err := ca.AddAffiliation(identity, req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func removeAffiliation(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
// CA must be configured to support affiliation removal
req := gohfc.CARemoveAffiliationRequest{Name: "organization1.department1", Force: false}
resp, err := ca.RemoveAffiliation(identity, req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func modifyAffiliation(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
req := gohfc.CAModifyAffiliationRequest{Name: "organization1.department1", NewName: "org1.dep1", Force: true}
resp, err := ca.ModifyAffiliation(identity, req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func listAllIdentities(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
resp, err := ca.ListAllIdentities(identity, "")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func removeIdentity(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
req := gohfc.CARemoveIdentityRequest{Name: "newUser1", Force: false}
resp, err := ca.RemoveIdentity(identity, req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func modifyIdentity(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
// see documentation for all fields that can be modified.
req := gohfc.CAModifyIdentityRequest{ID: "newUser1",
Attributes: []gohfc.CaRegisterAttribute{
{
Name: "new1",
ECert: true,
Value: "new value 1",
},
},
Secret: "new password",}
resp, err := ca.ModifyIdentity(identity, req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func getIdentity(ca *gohfc.FabricCAClient, identity *gohfc.Identity) {
resp, err := ca.GetIdentity(identity, "newUser1", "")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(resp)
}
func RandStringRunes(n int) string {
var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
b := make([]rune, n)
for i := range b {
b[i] = letterRunes[rand.Intn(len(letterRunes))]
}
return string(b)
}