// GetBlockchainSize returns the current size of the blockchain
func (h *Helper) GetBlockchainSize() (uint64, error) {
ledger, err := ledger.GetLedger()
if err != nil {
return 0, fmt.Errorf("Failed to get the ledger :%v", err)
}
return ledger.GetBlockchainSize(), nil
}
func (i *Noops) getBlockData() (*pb.Block, *statemgmt.StateDelta, error) {
ledger, err := ledger.GetLedger()
if err != nil {
return nil, nil, fmt.Errorf("Fail to get the ledger: %v", err)
}
blockHeight := ledger.GetBlockchainSize()
if logger.IsEnabledFor(logging.DEBUG) {
logger.Debug("Preparing to broadcast with block number %v", blockHeight)
}
block, err := ledger.GetBlockByNumber(blockHeight - 1)
if nil != err {
return nil, nil, err
}
//delta, err := ledger.GetStateDeltaBytes(blockHeight)
delta, err := ledger.GetStateDelta(blockHeight - 1)
if nil != err {
return nil, nil, err
}
if logger.IsEnabledFor(logging.DEBUG) {
logger.Debug("Got the delta state of block number %v", blockHeight)
}
return block, delta, nil
}
func TestGenesis(t *testing.T) {
//use a different address than what we usually use for "peer"
//we override the peerAddress set in chaincode_support.go
peerAddress := "0.0.0.0:50303"
lis, err := net.Listen("tcp", peerAddress)
if err != nil {
t.Fail()
t.Logf("Error starting peer listener %s", err)
return
}
var opts []grpc.ServerOption
if viper.GetBool("peer.tls.enabled") {
creds, err := credentials.NewServerTLSFromFile(viper.GetString("peer.tls.cert.file"), viper.GetString("peer.tls.key.file"))
if err != nil {
grpclog.Fatalf("Failed to generate credentials %v", err)
}
opts = []grpc.ServerOption{grpc.Creds(creds)}
}
grpcServer := grpc.NewServer(opts...)
getPeerEndpoint := func() (*protos.PeerEndpoint, error) {
return &protos.PeerEndpoint{ID: &protos.PeerID{Name: "testpeer"}, Address: peerAddress}, nil
}
ccStartupTimeout := time.Duration(30000) * time.Millisecond
protos.RegisterChaincodeSupportServer(grpcServer, chaincode.NewChaincodeSupport(chaincode.DefaultChain, getPeerEndpoint, false, ccStartupTimeout, nil))
go grpcServer.Serve(lis)
ledger := ledger.InitTestLedger(t)
if ledger.GetBlockchainSize() != 0 {
t.Fatalf("Expected blockchain size of 0, but got %d", ledger.GetBlockchainSize())
}
makeGenesisErr := MakeGenesis()
if makeGenesisErr != nil {
t.Fatalf("Error creating genesis block, %s", makeGenesisErr)
}
if ledger.GetBlockchainSize() != 1 {
t.Fatalf("Expected blockchain size of 1, but got %d", ledger.GetBlockchainSize())
}
}
// CommitTxBatch gets invoked when the current transaction-batch needs
// to be committed. This function returns successfully iff the
// transactions details and state changes (that may have happened
// during execution of this transaction-batch) have been committed to
// permanent storage.
func (h *Helper) CommitTxBatch(id interface{}, metadata []byte) (*pb.Block, error) {
ledger, err := ledger.GetLedger()
if err != nil {
return nil, fmt.Errorf("Failed to get the ledger: %v", err)
}
// TODO fix this one the ledger has been fixed to implement
if err := ledger.CommitTxBatch(id, h.curBatch, nil, metadata); err != nil {
return nil, fmt.Errorf("Failed to commit transaction to the ledger: %v", err)
}
size := ledger.GetBlockchainSize()
h.curBatch = nil // TODO, remove after issue 579
block, err := ledger.GetBlockByNumber(size - 1)
if err != nil {
return nil, fmt.Errorf("Failed to get the block at the head of the chain: %v", err)
}
return block, nil
}
func (i *Noops) notifyBlockAdded() error {
ledger, err := ledger.GetLedger()
if err != nil {
return fmt.Errorf("Fail to get the ledger: %v", err)
}
// TODO: Broadcast SYNC_BLOCK_ADDED to connected NVPs
// VPs already know about this newly added block since they participate
// in the execution. That is, they can compare their current block with
// the network block
// For now, send to everyone until broadcast has better discrimination
blockHeight := ledger.GetBlockchainSize()
logger.Debug("Preparing to broadcast with block number %v", blockHeight)
block, err := ledger.GetBlockByNumber(blockHeight - 1)
if nil != err {
return err
}
//delta, err := ledger.GetStateDeltaBytes(blockHeight)
delta, err := ledger.GetStateDelta(blockHeight - 1)
if nil != err {
return err
}
logger.Debug("Got the delta state of block number %v", blockHeight)
data, err := proto.Marshal(&pb.BlockState{Block: block, StateDelta: delta.Marshal()})
if err != nil {
return fmt.Errorf("Fail to marshall BlockState structure: %v", err)
}
logger.Debug("Broadcasting OpenchainMessage_SYNC_BLOCK_ADDED")
msg := &pb.OpenchainMessage{Type: pb.OpenchainMessage_SYNC_BLOCK_ADDED,
Payload: data, Timestamp: util.CreateUtcTimestamp()}
if errs := i.cpi.Broadcast(msg); nil != errs {
return fmt.Errorf("Failed to broadcast with errors: %v", errs)
}
return nil
}
// MakeGenesis creates the genesis block based on configuration in openchain.yaml
// and adds it to the blockchain.
func MakeGenesis() error {
once.Do(func() {
ledger, err := ledger.GetLedger()
if err != nil {
makeGenesisError = err
return
}
if ledger.GetBlockchainSize() > 0 {
// genesis block already exists
return
}
genesisLogger.Info("Creating genesis block.")
ledger.BeginTxBatch(0)
var genesisTransactions []*protos.Transaction
//We are disabling the validity period deployment for now, we shouldn't even allow it if it's enabled in the configuration
allowDeployValidityPeriod := false
if deploySystemChaincodeEnabled() && allowDeployValidityPeriod {
vpTransaction, deployErr := deployUpdateValidityPeriodChaincode()
if deployErr != nil {
genesisLogger.Error("Error deploying validity period system chaincode for genesis block.", deployErr)
makeGenesisError = deployErr
return
}
genesisTransactions = append(genesisTransactions, vpTransaction)
}
genesis := viper.GetStringMap("ledger.blockchain.genesisBlock")
if genesis == nil {
genesisLogger.Info("No genesis block chaincodes defined.")
} else {
chaincodes, chaincodesOK := genesis["chaincode"].([]interface{})
if !chaincodesOK {
genesisLogger.Info("No genesis block chaincodes defined.")
ledger.CommitTxBatch(0, genesisTransactions, nil, nil)
return
}
genesisLogger.Debug("Genesis chaincodes are %s", chaincodes)
for i := 0; i < len(chaincodes); i++ {
genesisLogger.Debug("Chaincode %d is %s", i, chaincodes[i])
chaincodeMap, chaincodeMapOK := chaincodes[i].(map[interface{}]interface{})
if !chaincodeMapOK {
genesisLogger.Error("Invalid chaincode defined in genesis configuration:", chaincodes[i])
makeGenesisError = fmt.Errorf("Invalid chaincode defined in genesis configuration: %s", chaincodes[i])
return
}
path, pathOK := chaincodeMap["path"].(string)
if !pathOK {
genesisLogger.Error("Invalid chaincode URL defined in genesis configuration:", chaincodeMap["path"])
makeGenesisError = fmt.Errorf("Invalid chaincode URL defined in genesis configuration: %s", chaincodeMap["path"])
return
}
chaincodeType, chaincodeTypeOK := chaincodeMap["type"].(string)
if !chaincodeTypeOK {
genesisLogger.Error("Invalid chaincode type defined in genesis configuration:", chaincodeMap["type"])
makeGenesisError = fmt.Errorf("Invalid chaincode type defined in genesis configuration: %s", chaincodeMap["type"])
return
}
chaincodeID := &protos.ChaincodeID{Path: path, Name: ""}
genesisLogger.Debug("Genesis chaincodeID %s", chaincodeID)
genesisLogger.Debug("Genesis chaincode type %s", chaincodeType)
constructorMap, constructorMapOK := chaincodeMap["constructor"].(map[interface{}]interface{})
if !constructorMapOK {
genesisLogger.Error("Invalid chaincode constructor defined in genesis configuration:", chaincodeMap["constructor"])
makeGenesisError = fmt.Errorf("Invalid chaincode constructor defined in genesis configuration: %s", chaincodeMap["constructor"])
return
}
var spec protos.ChaincodeSpec
if constructorMap == nil {
genesisLogger.Debug("Genesis chaincode has no constructor.")
spec = protos.ChaincodeSpec{Type: protos.ChaincodeSpec_Type(protos.ChaincodeSpec_Type_value[chaincodeType]), ChaincodeID: chaincodeID}
} else {
ctorFunc, ctorFuncOK := constructorMap["func"].(string)
if !ctorFuncOK {
genesisLogger.Error("Invalid chaincode constructor function defined in genesis configuration:", constructorMap["func"])
makeGenesisError = fmt.Errorf("Invalid chaincode constructor function args defined in genesis configuration: %s", constructorMap["func"])
return
}
ctorArgs, ctorArgsOK := constructorMap["args"].([]interface{})
if !ctorArgsOK {
genesisLogger.Error("Invalid chaincode constructor args defined in genesis configuration:", constructorMap["args"])
makeGenesisError = fmt.Errorf("Invalid chaincode constructor args defined in genesis configuration: %s", constructorMap["args"])
return
}
genesisLogger.Debug("Genesis chaincode constructor func %s", ctorFunc)
genesisLogger.Debug("Genesis chaincode constructor args %s", ctorArgs)
var ctorArgsStringArray []string
for j := 0; j < len(ctorArgs); j++ {
ctorArgsStringArray = append(ctorArgsStringArray, ctorArgs[j].(string))
}
spec = protos.ChaincodeSpec{Type: protos.ChaincodeSpec_Type(protos.ChaincodeSpec_Type_value[chaincodeType]), ChaincodeID: chaincodeID, CtorMsg: &protos.ChaincodeInput{Function: ctorFunc, Args: ctorArgsStringArray}}
}
transaction, _, deployErr := DeployLocal(context.Background(), &spec)
if deployErr != nil {
genesisLogger.Error("Error deploying chaincode for genesis block.", deployErr)
makeGenesisError = deployErr
return
}
genesisTransactions = append(genesisTransactions, transaction)
} //for
} //else
genesisLogger.Info("Adding %d system chaincodes to the genesis block.", len(genesisTransactions))
ledger.CommitTxBatch(0, genesisTransactions, nil, nil)
})
return makeGenesisError
}