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/*
Copyright IBM Corp. 2017 All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package etcdraft
import (
"github.com/golang/protobuf/proto"
"gitee.com/hyperledger-fabric-gm/fabric/common/flogging"
cb "gitee.com/hyperledger-fabric-gm/fabric/protos/common"
)
// 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 := cb.NewBlock(bc.number, bc.hash)
block.Header.DataHash = data.Hash()
block.Data = data
bc.hash = block.Header.Hash()
return block
}
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