46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
/*
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Copyright IBM Corp. All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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*/
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package node
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import (
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"github.com/hyperledger/fabric/core/ledger/kvledger"
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"github.com/hyperledger/fabric/internal/peer/common"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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channelID string
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blockNumber uint64
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)
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func rollbackCmd() *cobra.Command {
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nodeRollbackCmd.ResetFlags()
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flags := nodeRollbackCmd.Flags()
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flags.StringVarP(&channelID, "channelID", "c", common.UndefinedParamValue, "Channel to rollback.")
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flags.Uint64VarP(&blockNumber, "blockNumber", "b", 0, "Block number to which the channel needs to be rolled back to.")
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return nodeRollbackCmd
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}
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var nodeRollbackCmd = &cobra.Command{
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Use: "rollback",
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Short: "Rolls back a channel.",
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Long: "Rolls back a channel to a specified block number. When the command is executed, the peer must be offline." +
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" When the peer starts after the rollback, it will receive blocks, which got removed during the rollback," +
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" from an orderer or another peer to rebuild the block store and state database." +
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" The command is not supported if the peer contains any channel that was bootstrapped from a snapshot.",
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RunE: func(cmd *cobra.Command, args []string) error {
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if channelID == common.UndefinedParamValue {
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return errors.New("Must supply channel ID")
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}
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config := ledgerConfig()
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return kvledger.RollbackKVLedger(config.RootFSPath, channelID, blockNumber)
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},
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}
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