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channeldb: deprecate old revocation log bucket

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This commit marks the sub-bucket identified by "revocation-log-key" as
deprecated.
This commit is contained in:
yyforyongyu 2022-04-07 02:17:57 +08:00
parent f42d1f2d62
commit 4609ac2008
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GPG key ID: 9BCD95C4FF296868
1 changed files with 12 additions and 9 deletions
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21
channeldb/channel.go
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@ -117,12 +117,15 @@ var (
// TODO(roasbeef): rename to commit chain?
commitDiffKey = []byte("commit-diff-key")
// revocationLogBucket is dedicated for storing the necessary delta
// state between channel updates required to re-construct a past state
// in order to punish a counterparty attempting a non-cooperative
// revocationLogBucketDeprecated is dedicated for storing the necessary
// delta state between channel updates required to re-construct a past
// state in order to punish a counterparty attempting a non-cooperative
// channel closure. This key should be accessed from within the
// sub-bucket of a target channel, identified by its channel point.
revocationLogBucket = []byte("revocation-log-key")
//
// NOTE: deprecated. This bucket is kept for read-only in case the user
// choose not to migrate the old data.
revocationLogBucketDeprecated = []byte("revocation-log-key")
// frozenChanKey is the key where we store the information for any
// active "frozen" channels. This key is present only in the leaf
@ -2361,7 +2364,7 @@ func (c *OpenChannel) AdvanceCommitChainTail(fwdPkg *FwdPkg,
// TODO(roasbeef): could make the deltas relative, would save
// space, but then tradeoff for more disk-seeks to recover the
// full state.
logKey := revocationLogBucket
logKey := revocationLogBucketDeprecated
logBucket, err := chanBucket.CreateBucketIfNotExists(logKey)
if err != nil {
return err
@ -2600,7 +2603,7 @@ func (c *OpenChannel) revocationLogTailCommitHeight() (uint64, error) {
return err
}
logBucket := chanBucket.NestedReadBucket(revocationLogBucket)
logBucket := chanBucket.NestedReadBucket(revocationLogBucketDeprecated)
if logBucket == nil {
return ErrNoPastDeltas
}
@ -2676,7 +2679,7 @@ func (c *OpenChannel) FindPreviousState(updateNum uint64) (*ChannelCommitment, e
return err
}
logBucket := chanBucket.NestedReadBucket(revocationLogBucket)
logBucket := chanBucket.NestedReadBucket(revocationLogBucketDeprecated)
if logBucket == nil {
return ErrNoPastDeltas
}
@ -2890,9 +2893,9 @@ func (c *OpenChannel) CloseChannel(summary *ChannelCloseSummary,
// With the base channel data deleted, attempt to delete the
// information stored within the revocation log.
logBucket := chanBucket.NestedReadWriteBucket(revocationLogBucket)
logBucket := chanBucket.NestedReadWriteBucket(revocationLogBucketDeprecated)
if logBucket != nil {
err = chanBucket.DeleteNestedBucket(revocationLogBucket)
err = chanBucket.DeleteNestedBucket(revocationLogBucketDeprecated)
if err != nil {
return err
}