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[FAB-3313] Move APIs to appropriate class
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Change-Id: I75b8656055a8e2ee935d083e279d2a6ee8923639
Signed-off-by: biljana lukovic <biljana.lukovic@securekey.com>
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@biljanaLukovic
biljanaLukovic committed Apr 25, 2017
1 parent 0aacd1f commit ec9d2ef
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Showing 13 changed files with 272 additions and 236 deletions.
179 changes: 40 additions & 139 deletions fabric-client/chain.go
View file
Expand Up @@ -33,7 +33,6 @@ import (
"github.com/hyperledger/fabric/protos/common"
pb "github.com/hyperledger/fabric/protos/peer"

google_protobuf "github.com/golang/protobuf/ptypes/timestamp"
protos_utils "github.com/hyperledger/fabric/protos/utils"
"github.com/op/go-logging"

Expand Down Expand Up @@ -78,15 +77,12 @@ type Chain interface {
QueryBlock(blockNumber int) (*common.Block, error)
QueryBlockByHash(blockHash []byte) (*common.Block, error)
QueryTransaction(transactionID string) (*pb.ProcessedTransaction, error)
QueryInstalledChaincodes(peer Peer) (*pb.ChaincodeQueryResponse, error)
QueryInstantiatedChaincodes() (*pb.ChaincodeQueryResponse, error)
QueryChannels(peer Peer) (*pb.ChannelQueryResponse, error)
QueryByChaincode(chaincodeName string, args []string, targets []Peer) ([][]byte, error)
CreateTransactionProposal(chaincodeName string, chainID string, args []string, sign bool, transientData map[string][]byte) (*TransactionProposal, error)
SendTransactionProposal(proposal *TransactionProposal, retry int, targets []Peer) ([]*TransactionProposalResponse, error)
CreateTransaction(resps []*TransactionProposalResponse) (*Transaction, error)
SendTransaction(tx *Transaction) ([]*TransactionResponse, error)
SendInstallProposal(chaincodeName string, chaincodePath string, chaincodeVersion string, chaincodePackage []byte, targets []Peer) ([]*TransactionProposalResponse, string, error)
SendInstantiateProposal(chaincodeName string, chainID string, args []string, chaincodePath string, chaincodeVersion string, targets []Peer) ([]*TransactionProposalResponse, string, error)
GetOrganizationUnits() ([]string, error)
QueryExtensionInterface() ChainExtension
Expand Down Expand Up @@ -523,8 +519,8 @@ func (c *chain) JoinChannel(request *JoinChannelRequest) error {
return err
}
// Sign join proposal
signature, err := c.signObjectWithKey(proposalBytes, user.GetPrivateKey(),
&bccsp.SHAOpts{}, nil)
signature, err := signObjectWithKey(proposalBytes, user.GetPrivateKey(),
&bccsp.SHAOpts{}, nil, c.clientContext.GetCryptoSuite())
if err != nil {
return err
}
Expand Down Expand Up @@ -701,30 +697,6 @@ func (c *chain) QueryTransaction(transactionID string) (*pb.ProcessedTransaction
return transaction, nil
}

//QueryInstalledChaincodes
/**
* Queries the installed chaincodes on a peer
* Returning the details of all chaincodes installed on a peer.
* @param {Peer} peer
* @returns {object} ChaincodeQueryResponse proto
*/

func (c *chain) QueryInstalledChaincodes(peer Peer) (*pb.ChaincodeQueryResponse, error) {

payload, err := c.queryByChaincodeByTarget("lccc", []string{"getinstalledchaincodes"}, peer)
if err != nil {
return nil, fmt.Errorf("Invoke lccc getinstalledchaincodes return error: %v", err)
}

response := new(pb.ChaincodeQueryResponse)
err = proto.Unmarshal(payload, response)
if err != nil {
return nil, fmt.Errorf("Unmarshal ChaincodeQueryResponse return error: %v", err)
}

return response, nil
}

//QueryInstantiatedChaincodes
/**
* Queries the instantiated chaincodes on this channel.
Expand All @@ -747,30 +719,6 @@ func (c *chain) QueryInstantiatedChaincodes() (*pb.ChaincodeQueryResponse, error
return response, nil
}

//QueryChannels
/**
* Queries the names of all the channels that a
* peer has joined.
* @param {Peer} peer
* @returns {object} ChannelQueryResponse proto
*/

func (c *chain) QueryChannels(peer Peer) (*pb.ChannelQueryResponse, error) {

payload, err := c.queryByChaincodeByTarget("cscc", []string{"GetChannels"}, peer)
if err != nil {
return nil, fmt.Errorf("Invoke cscc GetChannels return error: %v", err)
}

response := new(pb.ChannelQueryResponse)
err = proto.Unmarshal(payload, response)
if err != nil {
return nil, fmt.Errorf("Unmarshal ChannelQueryResponse return error: %v", err)
}

return response, nil
}

/**
* Generic helper for query functionality for chain
* This query will be made to one target peer and will return one result only.
Expand All @@ -795,7 +743,7 @@ func (c *chain) queryByChaincodeByTarget(chaincodeName string, args []string, ta

}

//QueryByChaincode
//QueryByChaincode ..
/**
* Sends a proposal to one or more endorsing peers that will be handled by the chaincode.
* This request will be presented to the chaincode 'invoke' and must understand
Expand All @@ -807,8 +755,7 @@ func (c *chain) queryByChaincodeByTarget(chaincodeName string, args []string, ta
* @param {[]Peer} target peers
* @returns {[][]byte} an array of payloads
*/
func (c *chain) QueryByChaincode(chaincodeName string, args []string, targets []Peer) ([][]byte, error) {

func QueryByChaincode(chaincodeName string, args []string, targets []Peer, clientContext Client) ([][]byte, error) {
if chaincodeName == "" {
return nil, fmt.Errorf("Missing chaincode name")
}
Expand All @@ -823,12 +770,12 @@ func (c *chain) QueryByChaincode(chaincodeName string, args []string, targets []

logger.Debugf("Calling %s function %v on targets: %s\n", chaincodeName, args[0], targets)

signedProposal, err := c.CreateTransactionProposal(chaincodeName, "", args, true, nil)
signedProposal, err := CreateTransactionProposal(chaincodeName, "", args, true, nil, clientContext)
if err != nil {
return nil, fmt.Errorf("CreateTransactionProposal return error: %v", err)
}

transactionProposalResponses, err := c.SendTransactionProposal(signedProposal, 0, targets)
transactionProposalResponses, err := SendTransactionProposal(signedProposal, 0, targets)
if err != nil {
return nil, fmt.Errorf("SendTransactionProposal return error: %v", err)
}
Expand All @@ -850,6 +797,10 @@ func (c *chain) QueryByChaincode(chaincodeName string, args []string, targets []
return responses, nil
}

func (c *chain) QueryByChaincode(chaincodeName string, args []string, targets []Peer) ([][]byte, error) {
return QueryByChaincode(chaincodeName, args, targets, c.clientContext)
}

// CreateTransactionProposal ...
/**
* Create a proposal for transaction. This involves assembling the proposal
Expand All @@ -858,6 +809,12 @@ func (c *chain) QueryByChaincode(chaincodeName string, args []string, targets []
*/
func (c *chain) CreateTransactionProposal(chaincodeName string, chainID string,
args []string, sign bool, transientData map[string][]byte) (*TransactionProposal, error) {
return CreateTransactionProposal(chaincodeName, chainID, args, sign, transientData, c.clientContext)
}

//CreateTransactionProposal ...
func CreateTransactionProposal(chaincodeName string, chainID string,
args []string, sign bool, transientData map[string][]byte, clientContext Client) (*TransactionProposal, error) {

argsArray := make([][]byte, len(args))
for i, arg := range args {
Expand All @@ -867,7 +824,7 @@ func (c *chain) CreateTransactionProposal(chaincodeName string, chainID string,
Type: pb.ChaincodeSpec_GOLANG, ChaincodeId: &pb.ChaincodeID{Name: chaincodeName},
Input: &pb.ChaincodeInput{Args: argsArray}}}

user, err := c.clientContext.LoadUserFromStateStore("")
user, err := clientContext.LoadUserFromStateStore("")
if err != nil {
return nil, fmt.Errorf("LoadUserFromStateStore return error: %s", err)
}
Expand All @@ -887,8 +844,8 @@ func (c *chain) CreateTransactionProposal(chaincodeName string, chainID string,
return nil, err
}

signature, err := c.signObjectWithKey(proposalBytes, user.GetPrivateKey(),
&bccsp.SHAOpts{}, nil)
signature, err := signObjectWithKey(proposalBytes, user.GetPrivateKey(),
&bccsp.SHAOpts{}, nil, clientContext.GetCryptoSuite())
if err != nil {
return nil, err
}
Expand All @@ -898,6 +855,7 @@ func (c *chain) CreateTransactionProposal(chaincodeName string, chainID string,
signedProposal: signedProposal,
proposal: proposal,
}, nil

}

// SendTransactionProposal ...
Expand All @@ -914,6 +872,20 @@ func (c *chain) SendTransactionProposal(proposal *TransactionProposal, retry int
if err != nil {
return nil, fmt.Errorf("GetTargetPeers return error: %s", err)
}
if len(targetPeers) < 1 {
return nil, fmt.Errorf("Missing peer objects for sending transaction proposal")
}

return SendTransactionProposal(proposal, retry, targetPeers)

}

//SendTransactionProposal ...
func SendTransactionProposal(proposal *TransactionProposal, retry int, targetPeers []Peer) ([]*TransactionProposalResponse, error) {

if proposal == nil || proposal.signedProposal == nil {
return nil, fmt.Errorf("signedProposal is nil")
}

if len(targetPeers) < 1 {
return nil, fmt.Errorf("Missing peer objects for sending transaction proposal")
Expand Down Expand Up @@ -1094,77 +1066,6 @@ func (c *chain) SendTransaction(tx *Transaction) ([]*TransactionResponse, error)
return transactionResponses, nil
}

// SendInstallProposal ...
/**
* Sends an install proposal to one or more endorsing peers.
* @param {string} chaincodeName: required - The name of the chaincode.
* @param {[]string} chaincodePath: required - string of the path to the location of the source code of the chaincode
* @param {[]string} chaincodeVersion: required - string of the version of the chaincode
* @param {[]string} chaincodeVersion: optional - Array of byte the chaincodePackage
*/
func (c *chain) SendInstallProposal(chaincodeName string, chaincodePath string, chaincodeVersion string, chaincodePackage []byte, targets []Peer) ([]*TransactionProposalResponse, string, error) {

if chaincodeName == "" {
return nil, "", fmt.Errorf("Missing 'chaincodeName' parameter")
}
if chaincodePath == "" {
return nil, "", fmt.Errorf("Missing 'chaincodePath' parameter")
}
if chaincodeVersion == "" {
return nil, "", fmt.Errorf("Missing 'chaincodeVersion' parameter")
}

if chaincodePackage == nil {
var err error
chaincodePackage, err = PackageCC(chaincodePath, "")
if err != nil {
return nil, "", fmt.Errorf("PackageCC return error: %s", err)
}
}

targetPeers, err := c.getTargetPeers(targets)
if err != nil {
return nil, "", fmt.Errorf("Invalid target peers return error: %s", err)
}

if len(targetPeers) < 1 {
return nil, "", fmt.Errorf("Missing peer objects for install CC proposal")
}

now := time.Now()
cds := &pb.ChaincodeDeploymentSpec{ChaincodeSpec: &pb.ChaincodeSpec{
Type: pb.ChaincodeSpec_GOLANG, ChaincodeId: &pb.ChaincodeID{Name: chaincodeName, Path: chaincodePath, Version: chaincodeVersion}},
CodePackage: chaincodePackage, EffectiveDate: &google_protobuf.Timestamp{Seconds: int64(now.Second()), Nanos: int32(now.Nanosecond())}}

user, err := c.clientContext.LoadUserFromStateStore("")
if err != nil {
return nil, "", fmt.Errorf("LoadUserFromStateStore return error: %s", err)
}

creatorID, err := getSerializedIdentity(user.GetEnrollmentCertificate())
if err != nil {
return nil, "", err
}

// create an install from a chaincodeDeploymentSpec
proposal, txID, err := protos_utils.CreateInstallProposalFromCDS(cds, creatorID)
if err != nil {
return nil, "", fmt.Errorf("Could not create chaincode Deploy proposal, err %s", err)
}

signedProposal, err := c.signProposal(proposal)
if err != nil {
return nil, "", err
}

transactionProposalResponse, err := c.SendTransactionProposal(&TransactionProposal{
signedProposal: signedProposal,
proposal: proposal,
TransactionID: txID,
}, 0, targetPeers)
return transactionProposalResponse, txID, err
}

// SendInstantiateProposal ...
/**
* Sends an instantiate proposal to one or more endorsing peers.
Expand All @@ -1187,6 +1088,7 @@ func (c *chain) SendInstantiateProposal(chaincodeName string, chainID string,
return nil, "", fmt.Errorf("Missing 'chaincodePath' parameter")
}
if chaincodeVersion == "" {

return nil, "", fmt.Errorf("Missing 'chaincodeVersion' parameter")
}

Expand Down Expand Up @@ -1252,8 +1154,8 @@ func (c *chain) SignPayload(payload []byte) (*SignedEnvelope, error) {
return nil, fmt.Errorf("LoadUserFromStateStore returned error: %s", err)
}

signature, err := c.signObjectWithKey(payload, user.GetPrivateKey(),
&bccsp.SHAOpts{}, nil)
signature, err := signObjectWithKey(payload, user.GetPrivateKey(),
&bccsp.SHAOpts{}, nil, c.clientContext.GetCryptoSuite())
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -1365,9 +1267,8 @@ func (c *chain) SendEnvelope(envelope *SignedEnvelope) (*common.Block, error) {

// signObjectWithKey will sign the given object with the given key,
// hashOpts and signerOpts
func (c *chain) signObjectWithKey(object []byte, key bccsp.Key,
hashOpts bccsp.HashOpts, signerOpts bccsp.SignerOpts) ([]byte, error) {
cryptoSuite := c.clientContext.GetCryptoSuite()
func signObjectWithKey(object []byte, key bccsp.Key,
hashOpts bccsp.HashOpts, signerOpts bccsp.SignerOpts, cryptoSuite bccsp.BCCSP) ([]byte, error) {
digest, err := cryptoSuite.Hash(object, hashOpts)
if err != nil {
return nil, err
Expand All @@ -1391,7 +1292,7 @@ func (c *chain) signProposal(proposal *pb.Proposal) (*pb.SignedProposal, error)
return nil, err
}

signature, err := c.signObjectWithKey(proposalBytes, user.GetPrivateKey(), &bccsp.SHAOpts{}, nil)
signature, err := signObjectWithKey(proposalBytes, user.GetPrivateKey(), &bccsp.SHAOpts{}, nil, c.clientContext.GetCryptoSuite())
if err != nil {
return nil, err
}
Expand Down
13 changes: 1 addition & 12 deletions fabric-client/chain_test.go
View file
Expand Up @@ -73,17 +73,6 @@ func TestQueryMethods(t *testing.T) {
if err == nil {
t.Fatalf("Query hash cannot be nil")
}

_, err = chain.QueryChannels(nil)
if err == nil {
t.Fatalf("QueryChanels: peer cannot be nil")
}

_, err = chain.QueryInstalledChaincodes(nil)
if err == nil {
t.Fatalf("QueryInstalledChaincodes: peer cannot be nil")
}

_, err = chain.QueryByChaincode("", []string{"method"}, nil)
if err == nil {
t.Fatalf("QueryByChaincode: name cannot be empty")
Expand Down Expand Up @@ -221,7 +210,7 @@ func TestJoinChannel(t *testing.T) {
var peers []Peer
endorserServer := startEndorserServer(t)
chain, _ := setupTestChain()
peer, _ := CreateNewPeer(testAddress, "", "")
peer, _ := NewPeer(testAddress, "", "")
peers = append(peers, peer)
orderer := &mockOrderer{DeliverResponse: NewMockDeliverResponse(mocks.NewSimpleMockBlock())}
nonce, _ := util.GenerateRandomNonce()
Expand Down

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