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blockchain/indexer: remove extended filter

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This commit is contained in:
Olaoluwa Osuntokun 2018-05-30 20:54:56 -07:00
parent 942116c5ae
commit 576800a99e
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GPG key ID: 964EA263DD637C21
1 changed files with 16 additions and 29 deletions
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45
blockchain/indexers/cfindex.go
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@ -22,39 +22,36 @@ const (
cfIndexName = "committed filter index"
)
// Committed filters come in two flavours: basic and extended. They are
// generated and dropped in pairs, and both are indexed by a block's hash.
// Besides holding different content, they also live in different buckets.
// Committed filters come in one flavor currently: basic. They are generated
// and dropped in pairs, and both are indexed by a block's hash. Besides
// holding different content, they also live in different buckets.
var (
// cfIndexParentBucketKey is the name of the parent bucket used to house
// the index. The rest of the buckets live below this bucket.
// cfIndexParentBucketKey is the name of the parent bucket used to
// house the index. The rest of the buckets live below this bucket.
cfIndexParentBucketKey = []byte("cfindexparentbucket")
// cfIndexKeys is an array of db bucket names used to house indexes of
// block hashes to cfilters.
cfIndexKeys = [][]byte{
[]byte("cf0byhashidx"),
[]byte("cf1byhashidx"),
}
// cfHeaderKeys is an array of db bucket names used to house indexes of
// block hashes to cf headers.
cfHeaderKeys = [][]byte{
[]byte("cf0headerbyhashidx"),
[]byte("cf1headerbyhashidx"),
}
// cfHashKeys is an array of db bucket names used to house indexes of
// block hashes to cf hashes.
cfHashKeys = [][]byte{
[]byte("cf0hashbyhashidx"),
[]byte("cf1hashbyhashidx"),
}
maxFilterType = uint8(len(cfHeaderKeys) - 1)
// zeroHash is the chainhash.Hash value of all zero bytes, defined here for
// convenience.
// zeroHash is the chainhash.Hash value of all zero bytes, defined here
// for convenience.
zeroHash chainhash.Hash
)
@ -106,7 +103,7 @@ func (idx *CfIndex) Name() string {
// Create is invoked when the indexer manager determines the index needs to
// be created for the first time. It creates buckets for the two hash-based cf
// indexes (simple, extended).
// indexes (regular only currently).
func (idx *CfIndex) Create(dbTx database.Tx) error {
meta := dbTx.Metadata()
@ -209,17 +206,7 @@ func (idx *CfIndex) ConnectBlock(dbTx database.Tx, block *btcutil.Block,
return err
}
err = storeFilter(dbTx, block, f, wire.GCSFilterRegular)
if err != nil {
return err
}
f, err = builder.BuildExtFilter(block.MsgBlock())
if err != nil {
return err
}
return storeFilter(dbTx, block, f, wire.GCSFilterExtended)
return storeFilter(dbTx, block, f, wire.GCSFilterRegular)
}
// DisconnectBlock is invoked by the index manager when a block has been
@ -296,42 +283,42 @@ func (idx *CfIndex) entriesByBlockHashes(filterTypeKeys [][]byte,
}
// FilterByBlockHash returns the serialized contents of a block's basic or
// extended committed filter.
// committed filter.
func (idx *CfIndex) FilterByBlockHash(h *chainhash.Hash,
filterType wire.FilterType) ([]byte, error) {
return idx.entryByBlockHash(cfIndexKeys, filterType, h)
}
// FiltersByBlockHashes returns the serialized contents of a block's basic or
// extended committed filter for a set of blocks by hash.
// committed filter for a set of blocks by hash.
func (idx *CfIndex) FiltersByBlockHashes(blockHashes []*chainhash.Hash,
filterType wire.FilterType) ([][]byte, error) {
return idx.entriesByBlockHashes(cfIndexKeys, filterType, blockHashes)
}
// FilterHeaderByBlockHash returns the serialized contents of a block's basic
// or extended committed filter header.
// committed filter header.
func (idx *CfIndex) FilterHeaderByBlockHash(h *chainhash.Hash,
filterType wire.FilterType) ([]byte, error) {
return idx.entryByBlockHash(cfHeaderKeys, filterType, h)
}
// FilterHeadersByBlockHashes returns the serialized contents of a block's basic
// or extended committed filter header for a set of blocks by hash.
// FilterHeadersByBlockHashes returns the serialized contents of a block's
// basic committed filter header for a set of blocks by hash.
func (idx *CfIndex) FilterHeadersByBlockHashes(blockHashes []*chainhash.Hash,
filterType wire.FilterType) ([][]byte, error) {
return idx.entriesByBlockHashes(cfHeaderKeys, filterType, blockHashes)
}
// FilterHashByBlockHash returns the serialized contents of a block's basic
// or extended committed filter hash.
// committed filter hash.
func (idx *CfIndex) FilterHashByBlockHash(h *chainhash.Hash,
filterType wire.FilterType) ([]byte, error) {
return idx.entryByBlockHash(cfHashKeys, filterType, h)
}
// FilterHashesByBlockHashes returns the serialized contents of a block's basic
// or extended committed filter hash for a set of blocks by hash.
// committed filter hash for a set of blocks by hash.
func (idx *CfIndex) FilterHashesByBlockHashes(blockHashes []*chainhash.Hash,
filterType wire.FilterType) ([][]byte, error) {
return idx.entriesByBlockHashes(cfHashKeys, filterType, blockHashes)