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channeldb: add docs for fwd pkg bucket

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yyforyongyu 2021-07-22 12:49:50 +08:00
parent 7970ffcc2a
commit 0fff613f61
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1 changed files with 32 additions and 0 deletions
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32
channeldb/forwarding_package.go
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@ -39,6 +39,38 @@ var (
// fwdPackagesKey is the root-level bucket that all forwarding packages
// are written. This bucket is further subdivided based on the short
// channel ID of each channel.
//
// Bucket hierarchy:
//
// fwdPackagesKey(root-bucket)
// |
// |-- <shortChannelID>
// | |
// | |-- <height>
// | | |-- ackFilterKey: <encoded bytes of PkgFilter>
// | | |-- settleFailFilterKey: <encoded bytes of PkgFilter>
// | | |-- fwdFilterKey: <encoded bytes of PkgFilter>
// | | |
// | | |-- addBucketKey
// | | | |-- <index of LogUpdate>: <encoded bytes of LogUpdate>
// | | | |-- <index of LogUpdate>: <encoded bytes of LogUpdate>
// | | | ...
// | | |
// | | |-- failSettleBucketKey
// | | |-- <index of LogUpdate>: <encoded bytes of LogUpdate>
// | | |-- <index of LogUpdate>: <encoded bytes of LogUpdate>
// | | ...
// | |
// | |-- <height>
// | | |
// | ... ...
// |
// |
// |-- <shortChannelID>
// | |
// | ...
// ...
//
fwdPackagesKey = []byte("fwd-packages")
// addBucketKey is the bucket to which all Add log updates are written.