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Major refactoring of the code base into Backend structure. Increase version number to Alpha 6 to prepare for the upcoming release.

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This commit is contained in:
Kleissner
2021-12-29 05:29:34 +01:00
parent ade13d6422
commit f2c344dc96
40 changed files with 642 additions and 649 deletions
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54
Blockchain Cache Global.go
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@@ -24,35 +24,35 @@ type BlockchainCache struct {
store *blockchain.MultiStore
peerLock *locker.Locker
backend *Backend
}
func initBlockchainCache(BlockchainDirectory string, MaxBlockSize, MaxBlockCount, LimitTotalRecords uint64) (cache *BlockchainCache) {
if BlockchainDirectory == "" {
return nil
func (backend *Backend) initBlockchainCache() {
if backend.Config.BlockchainGlobal == "" {
return
}
backend.GlobalBlockchainCache = &BlockchainCache{
backend: backend,
BlockchainDirectory: backend.Config.BlockchainGlobal,
MaxBlockSize: backend.Config.CacheMaxBlockSize,
MaxBlockCount: backend.Config.CacheMaxBlockCount,
LimitTotalRecords: backend.Config.LimitTotalRecords,
}
var err error
cache = &BlockchainCache{
BlockchainDirectory: BlockchainDirectory,
MaxBlockSize: MaxBlockSize,
MaxBlockCount: MaxBlockCount,
LimitTotalRecords: LimitTotalRecords,
}
cache.store, err = blockchain.InitMultiStore(BlockchainDirectory)
backend.GlobalBlockchainCache.store, err = blockchain.InitMultiStore(backend.Config.BlockchainGlobal)
if err != nil {
Filters.LogError("initBlockchainCache", "initializing database '%s': %s", BlockchainDirectory, err.Error())
return nil
backend.Filters.LogError("initBlockchainCache", "initializing database '%s': %s", backend.Config.BlockchainGlobal, err.Error())
return
}
cache.peerLock = locker.Initialize()
backend.GlobalBlockchainCache.peerLock = locker.Initialize()
if LimitTotalRecords > 0 && cache.store.Database.Count() >= LimitTotalRecords {
cache.ReadOnly = true
if backend.Config.LimitTotalRecords > 0 && backend.GlobalBlockchainCache.store.Database.Count() >= backend.Config.LimitTotalRecords {
backend.GlobalBlockchainCache.ReadOnly = true
}
return cache
}
// SeenBlockchainVersion shall be called with information about another peer's blockchain.
@@ -76,7 +76,7 @@ func (cache *BlockchainCache) SeenBlockchainVersion(peer *PeerInfo) {
cache.store.WriteBlock(peer.PublicKey, peer.BlockchainVersion, targetBlock.Offset, data)
header.ListBlocks = append(header.ListBlocks, targetBlock.Offset)
currentBackend.SearchIndex.IndexNewBlock(peer.PublicKey, peer.BlockchainVersion, targetBlock.Offset, data)
cache.backend.SearchIndex.IndexNewBlock(peer.PublicKey, peer.BlockchainVersion, targetBlock.Offset, data)
})
// only update the blockchain header if it changed
@@ -98,7 +98,7 @@ func (cache *BlockchainCache) SeenBlockchainVersion(peer *PeerInfo) {
case blockchain.MultiStatusInvalidRemote:
cache.store.DeleteBlockchain(peer.PublicKey, header)
currentBackend.SearchIndex.UnindexBlockchain(peer.PublicKey)
cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
case blockchain.MultiStatusHeaderNA:
if header, err = cache.store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
@@ -111,7 +111,7 @@ func (cache *BlockchainCache) SeenBlockchainVersion(peer *PeerInfo) {
// delete existing data first, then create it new
cache.store.DeleteBlockchain(peer.PublicKey, header)
currentBackend.SearchIndex.UnindexBlockchain(peer.PublicKey)
cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
if header, err = cache.store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
return
@@ -138,12 +138,12 @@ func (cache *BlockchainCache) SeenBlockchainVersion(peer *PeerInfo) {
// It will use the blockchain version and height to update the data lake as appropriate.
// This function is called in the Go routine of the packet worker and therefore must not stall.
func (peer *PeerInfo) remoteBlockchainUpdate() {
if currentBackend.GlobalBlockchainCache == nil || currentBackend.GlobalBlockchainCache.ReadOnly || peer.BlockchainVersion == 0 && peer.BlockchainHeight == 0 {
if peer.Backend.GlobalBlockchainCache == nil || peer.Backend.GlobalBlockchainCache.ReadOnly || peer.BlockchainVersion == 0 && peer.BlockchainHeight == 0 {
return
}
// TODO: This entire function should be instead a non-blocking message via a buffer channel.
go currentBackend.GlobalBlockchainCache.SeenBlockchainVersion(peer)
go peer.Backend.GlobalBlockchainCache.SeenBlockchainVersion(peer)
}
func (cache *BlockchainCache) ReadFile(PublicKey *btcec.PublicKey, Version, BlockNumber uint64, FileID uuid.UUID) (file blockchain.BlockRecordFile, raw []byte, found bool, err error) {
@@ -164,14 +164,14 @@ func (cache *BlockchainCache) ReadFile(PublicKey *btcec.PublicKey, Version, Bloc
// ReadBlock reads a block and decodes the records.
func (cache *BlockchainCache) ReadBlock(PublicKey *btcec.PublicKey, Version, BlockNumber uint64) (decoded *blockchain.BlockDecoded, raw []byte, found bool, err error) {
// requesting a block from the user's blockchain?
if PublicKey.IsEqual(peerPublicKey) {
_, _, version := UserBlockchain.Header()
if PublicKey.IsEqual(cache.backend.peerPublicKey) {
_, _, version := cache.backend.UserBlockchain.Header()
if Version != version {
return nil, nil, false, nil
}
var status int
raw, status, err = UserBlockchain.GetBlockRaw(BlockNumber)
raw, status, err = cache.backend.UserBlockchain.GetBlockRaw(BlockNumber)
if err != nil || status != blockchain.StatusOK {
return nil, raw, false, err
}