/* Copyright IBM Corp. 2017 All Rights Reserved. SPDX-License-Identifier: Apache-2.0 */ package etcdraft import ( "github.com/golang/protobuf/proto" cb "github.com/hyperledger/fabric-protos-go/common" "github.com/hyperledger/fabric/common/flogging" "github.com/hyperledger/fabric/protoutil" ) // blockCreator holds number and hash of latest block // so that next block will be created based on it. type blockCreator struct { hash []byte number uint64 logger *flogging.FabricLogger } func (bc *blockCreator) createNextBlock(envs []*cb.Envelope) *cb.Block { data := &cb.BlockData{ Data: make([][]byte, len(envs)), } var err error for i, env := range envs { data.Data[i], err = proto.Marshal(env) if err != nil { bc.logger.Panicf("Could not marshal envelope: %s", err) } } bc.number++ block := protoutil.NewBlock(bc.number, bc.hash) block.Header.DataHash = protoutil.BlockDataHash(data) block.Data = data bc.hash = protoutil.BlockHeaderHash(block.Header) return block }