36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
/*
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Copyright IBM Corp. 2016 All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kvledger
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import "github.com/hyperledger/fabric/core/ledger"
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type recoverable interface {
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// ShouldRecover return whether recovery is need.
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// If the recovery is needed, this method also returns the block number to start recovery from.
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// lastAvailableBlock is the max block number that has been committed to the block storage
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ShouldRecover(lastAvailableBlock uint64) (bool, uint64, error)
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// CommitLostBlock recommits the block
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CommitLostBlock(block *ledger.BlockAndPvtData) error
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// Name returns the name of the database: either state or history
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Name() string
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}
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type recoverer struct {
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nextRequiredBlock uint64
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recoverable recoverable
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}
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