/
join.go
90 lines (79 loc) · 2.45 KB
/
join.go
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package channel
import (
"context"
"fmt"
"github.com/Asutorufa/fabricsdk/chaincode"
"github.com/Asutorufa/fabricsdk/client"
pcommon "github.com/hyperledger/fabric-protos-go/common"
"github.com/hyperledger/fabric-protos-go/peer"
"github.com/hyperledger/fabric/core/scc/cscc"
"github.com/hyperledger/fabric/protoutil"
)
func getJoinCCSPec(genesisBlock []byte) *peer.ChaincodeSpec {
return &peer.ChaincodeSpec{
Type: peer.ChaincodeSpec_GOLANG,
ChaincodeId: &peer.ChaincodeID{
Name: "cscc",
},
Input: &peer.ChaincodeInput{
Args: [][]byte{
[]byte(cscc.JoinChain),
genesisBlock,
},
},
}
}
//Join join a channel
func Join(mspOpt chaincode.MSPOpt, peers chaincode.Endpoint, genesisBlock []byte) (*peer.ProposalResponse, error) {
return exec(mspOpt, peers, getJoinCCSPec(genesisBlock))
}
func exec(mspOpt chaincode.MSPOpt, peers chaincode.Endpoint, ccSpec *peer.ChaincodeSpec) (*peer.ProposalResponse, error) {
signer, err := chaincode.GetSigner(mspOpt.Path, mspOpt.ID)
if err != nil {
return nil, fmt.Errorf("get signer error -> %v", err)
}
creator, err := signer.Serialize()
if err != nil {
return nil, fmt.Errorf("signer Serialize error -> %v", err)
}
prop, _, err := protoutil.CreateProposalFromCIS(
pcommon.HeaderType_CONFIG,
"",
&peer.ChaincodeInvocationSpec{
ChaincodeSpec: ccSpec,
},
creator,
)
if err != nil {
return nil, fmt.Errorf("create proposal error -> %v", err)
}
signedProp, err := protoutil.GetSignedProposal(prop, signer)
if err != nil {
return nil, fmt.Errorf("signed proposal error -> %v", err)
}
peerClient, err := client.NewPeerClientSelf(
peers.Address,
peers.ServerNameOverride,
client.WithTLS(peers.Ca),
client.WithClientCert(peers.ClientKey, peers.ClientCrt),
client.WithTimeout(peers.Timeout),
)
if err != nil {
return nil, fmt.Errorf("get new peer [%s] client error -> %v", peers.Address, err)
}
endorser, err := peerClient.Endorser()
if err != nil {
return nil, fmt.Errorf("get endorser error -> %v", err)
}
proposalResp, err := endorser.ProcessProposal(context.Background(), signedProp)
if err != nil {
return nil, fmt.Errorf("endorser process proposal error -> %v", err)
}
if proposalResp == nil {
return nil, fmt.Errorf("nil proposal response")
}
if proposalResp.Response.Status != 0 && proposalResp.Response.Status != 200 {
return nil, fmt.Errorf("bad proposal response %d: %s", proposalResp.Response.Status, proposalResp.Response.Message)
}
return proposalResp, nil
}