47 lines
1008 B
Go
47 lines
1008 B
Go
/*
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Copyright IBM Corp. 2017 All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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*/
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package etcdraft
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import (
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"github.com/golang/protobuf/proto"
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cb "github.com/hyperledger/fabric-protos-go/common"
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"github.com/hyperledger/fabric/common/flogging"
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"github.com/hyperledger/fabric/protoutil"
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)
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// blockCreator holds number and hash of latest block
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// so that next block will be created based on it.
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type blockCreator struct {
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hash []byte
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number uint64
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logger *flogging.FabricLogger
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}
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func (bc *blockCreator) createNextBlock(envs []*cb.Envelope) *cb.Block {
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data := &cb.BlockData{
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Data: make([][]byte, len(envs)),
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}
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var err error
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for i, env := range envs {
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data.Data[i], err = proto.Marshal(env)
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if err != nil {
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bc.logger.Panicf("Could not marshal envelope: %s", err)
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}
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}
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bc.number++
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block := protoutil.NewBlock(bc.number, bc.hash)
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block.Header.DataHash = protoutil.BlockDataHash(data)
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block.Data = data
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bc.hash = protoutil.BlockHeaderHash(block.Header)
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return block
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}
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