mirror of
https://github.com/PeernetOfficial/core.git
synced 2026-07-16 18:37:51 +01:00
added new REST API for config file
This commit is contained in:
@@ -7,151 +7,136 @@ Author: Peter Kleissner
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package core
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import (
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"github.com/PeernetOfficial/core/blockchain"
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"github.com/PeernetOfficial/core/protocol"
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"github.com/enfipy/locker"
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"github.com/PeernetOfficial/core/blockchain"
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"github.com/PeernetOfficial/core/protocol"
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"github.com/enfipy/locker"
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)
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// The blockchain cache stores blockchains.
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type BlockchainCache struct {
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BlockchainDirectory string // The directory for storing blockchains in a key-value store.
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MaxBlockSize uint64 // Max block size to accept.
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MaxBlockCount uint64 // Max block count to cache per peer.
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LimitTotalRecords uint64 // Max count of blocks and header in total to keep across all blockchains. 0 = unlimited. Max Records * Max Block Size = Size Limit.
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ReadOnly bool // Whether the cache is read only.
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BlockchainDirectory string // The directory for storing blockchains in a key-value store.
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MaxBlockSize uint64 // Max block size to accept.
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MaxBlockCount uint64 // Max block count to cache per peer.
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LimitTotalRecords uint64 // Max count of blocks and header in total to keep across all blockchains. 0 = unlimited. Max Records * Max Block Size = Size Limit.
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ReadOnly bool // Whether the cache is read only.
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Store *blockchain.MultiStore
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peerLock *locker.Locker
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Store *blockchain.MultiStore
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peerLock *locker.Locker
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backend *Backend
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backend *Backend
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}
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func (backend *Backend) initBlockchainCache() {
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if backend.Config.BlockchainGlobal == "" {
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return
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}
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if backend.Config.BlockchainGlobal == "" {
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return
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}
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backend.GlobalBlockchainCache = &BlockchainCache{
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backend: backend,
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BlockchainDirectory: backend.Config.BlockchainGlobal,
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MaxBlockSize: backend.Config.CacheMaxBlockSize,
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MaxBlockCount: backend.Config.CacheMaxBlockCount,
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LimitTotalRecords: backend.Config.LimitTotalRecords,
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}
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backend.GlobalBlockchainCache = &BlockchainCache{
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backend: backend,
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BlockchainDirectory: backend.Config.BlockchainGlobal,
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MaxBlockSize: backend.Config.CacheMaxBlockSize,
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MaxBlockCount: backend.Config.CacheMaxBlockCount,
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LimitTotalRecords: backend.Config.LimitTotalRecords,
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}
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var err error
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backend.GlobalBlockchainCache.Store, err = blockchain.InitMultiStore(backend.Config.BlockchainGlobal)
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if err != nil {
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backend.LogError("initBlockchainCache", "initializing database '%s': %s", backend.Config.BlockchainGlobal, err.Error())
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return
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}
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var err error
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backend.GlobalBlockchainCache.Store, err = blockchain.InitMultiStore(backend.Config.BlockchainGlobal)
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if err != nil {
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backend.LogError("initBlockchainCache", "initializing database '%s': %s", backend.Config.BlockchainGlobal, err.Error())
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return
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}
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backend.GlobalBlockchainCache.peerLock = locker.Initialize()
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backend.GlobalBlockchainCache.peerLock = locker.Initialize()
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// Set the blockchain cache to read-only if the record limit is reached.
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if backend.Config.LimitTotalRecords > 0 && backend.GlobalBlockchainCache.Store.Database.Count() >= backend.Config.LimitTotalRecords {
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backend.GlobalBlockchainCache.ReadOnly = true
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}
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// Set the blockchain cache to read-only if the record limit is reached.
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if backend.Config.LimitTotalRecords > 0 && backend.GlobalBlockchainCache.Store.Database.Count() >= backend.Config.LimitTotalRecords {
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backend.GlobalBlockchainCache.ReadOnly = true
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}
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backend.GlobalBlockchainCache.Store.FilterStatisticUpdate = backend.Filters.GlobalBlockchainCacheStatistic
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backend.GlobalBlockchainCache.Store.FilterBlockchainDelete = backend.Filters.GlobalBlockchainCacheDelete
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backend.GlobalBlockchainCache.Store.FilterStatisticUpdate = backend.Filters.GlobalBlockchainCacheStatistic
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backend.GlobalBlockchainCache.Store.FilterBlockchainDelete = backend.Filters.GlobalBlockchainCacheDelete
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}
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// SeenBlockchainVersion shall be called with information about another peer's blockchain.
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// If the reported version number is newer, all existing blocks are immediately deleted.
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func (cache *BlockchainCache) SeenBlockchainVersion(peer *PeerInfo) {
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cache.peerLock.Lock(string(peer.PublicKey.SerializeCompressed()))
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defer cache.peerLock.Unlock(string(peer.PublicKey.SerializeCompressed()))
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cache.peerLock.Lock(string(peer.PublicKey.SerializeCompressed()))
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defer cache.peerLock.Unlock(string(peer.PublicKey.SerializeCompressed()))
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// intermediate function to download and process blocks
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downloadAndProcessBlocks := func(peer *PeerInfo, header *blockchain.MultiBlockchainHeader, offset, limit uint64) {
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if limit > cache.MaxBlockCount {
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limit = cache.MaxBlockCount
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}
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// intermediate function to download and process blocks
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downloadAndProcessBlocks := func(peer *PeerInfo, header *blockchain.MultiBlockchainHeader, offset, limit uint64) {
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if limit > cache.MaxBlockCount {
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limit = cache.MaxBlockCount
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}
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peer.BlockDownload(peer.PublicKey, cache.MaxBlockCount, cache.MaxBlockSize, []protocol.BlockRange{{Offset: offset, Limit: limit}}, func(data []byte, targetBlock protocol.BlockRange, blockSize uint64, availability uint8) {
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if availability != protocol.GetBlockStatusAvailable {
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return
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}
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peer.BlockDownload(peer.PublicKey, cache.MaxBlockCount, cache.MaxBlockSize, []protocol.BlockRange{{Offset: offset, Limit: limit}}, func(data []byte, targetBlock protocol.BlockRange, blockSize uint64, availability uint8) {
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if availability != protocol.GetBlockStatusAvailable {
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return
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}
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if decoded, _ := cache.Store.IngestBlock(header, targetBlock.Offset, data, true); decoded != nil {
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// index it for search
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cache.backend.SearchIndex.IndexNewBlockDecoded(peer.PublicKey, peer.BlockchainVersion, targetBlock.Offset, decoded.RecordsDecoded)
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}
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})
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}
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if decoded, _ := cache.Store.IngestBlock(header, targetBlock.Offset, data, true); decoded != nil {
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// index it for search
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cache.backend.SearchIndex.IndexNewBlockDecoded(peer.PublicKey, peer.BlockchainVersion, targetBlock.Offset, decoded.RecordsDecoded)
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}
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})
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}
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// get the old header
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header, status, err := cache.Store.AssessBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight)
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if err != nil {
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return
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}
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// get the old header
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header, status, err := cache.Store.AssessBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight)
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if err != nil {
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return
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}
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switch status {
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case blockchain.MultiStatusEqual:
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return
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switch status {
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case blockchain.MultiStatusEqual:
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return
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case blockchain.MultiStatusInvalidRemote:
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cache.Store.DeleteBlockchain(header)
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case blockchain.MultiStatusInvalidRemote:
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cache.Store.DeleteBlockchain(header)
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cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
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cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
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case blockchain.MultiStatusHeaderNA:
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if header, err = cache.Store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
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return
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}
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case blockchain.MultiStatusHeaderNA:
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if header, err = cache.Store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
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return
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}
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downloadAndProcessBlocks(peer, header, 0, peer.BlockchainHeight)
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downloadAndProcessBlocks(peer, header, 0, peer.BlockchainHeight)
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case blockchain.MultiStatusNewVersion:
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// delete existing data first, then create it new
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cache.Store.DeleteBlockchain(header)
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case blockchain.MultiStatusNewVersion:
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// delete existing data first, then create it new
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cache.Store.DeleteBlockchain(header)
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cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
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cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
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if header, err = cache.Store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
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return
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}
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if header, err = cache.Store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
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return
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}
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downloadAndProcessBlocks(peer, header, 0, peer.BlockchainHeight)
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downloadAndProcessBlocks(peer, header, 0, peer.BlockchainHeight)
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case blockchain.MultiStatusNewBlocks:
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//offset := header.Height
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//limit := peer.BlockchainHeight - header.Height
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//
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//header.Height = peer.BlockchainHeight
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//
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//fmt.Println("new peer height")
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//
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//downloadAndProcessBlocks(peer, header, offset, limit)
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// delete existing data first, then create it new
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// Temporary Fix to force update the public key
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cache.Store.DeleteBlockchain(header)
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case blockchain.MultiStatusNewBlocks:
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offset := header.Height
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limit := peer.BlockchainHeight - header.Height
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header.Height = peer.BlockchainHeight
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downloadAndProcessBlocks(peer, header, offset, limit)
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cache.backend.SearchIndex.UnindexBlockchain(peer.PublicKey)
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}
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if header, err = cache.Store.NewBlockchainHeader(peer.PublicKey, peer.BlockchainVersion, peer.BlockchainHeight); err != nil {
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return
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}
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downloadAndProcessBlocks(peer, header, 0, peer.BlockchainHeight)
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}
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if cache.LimitTotalRecords > 0 {
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// Bug: This code is currently never reached if ReadOnly is true.
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cache.ReadOnly = cache.Store.Database.Count() >= cache.LimitTotalRecords
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}
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if cache.LimitTotalRecords > 0 {
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// Bug: This code is currently never reached if ReadOnly is true.
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cache.ReadOnly = cache.Store.Database.Count() >= cache.LimitTotalRecords
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}
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}
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// remoteBlockchainUpdate shall be called to indicate a potential update of the remotes blockchain.
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// It will use the blockchain version and height to update the data lake as appropriate.
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// This function is called in the Go routine of the packet worker and therefore must not stall.
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func (peer *PeerInfo) remoteBlockchainUpdate() {
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if peer.Backend.GlobalBlockchainCache == nil || peer.Backend.GlobalBlockchainCache.ReadOnly || peer.BlockchainVersion == 0 && peer.BlockchainHeight == 0 {
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return
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}
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if peer.Backend.GlobalBlockchainCache == nil || peer.Backend.GlobalBlockchainCache.ReadOnly || peer.BlockchainVersion == 0 && peer.BlockchainHeight == 0 {
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return
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}
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// TODO: This entire function should be instead a non-blocking message via a buffer channel.
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go peer.Backend.GlobalBlockchainCache.SeenBlockchainVersion(peer)
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// TODO: This entire function should be instead a non-blocking message via a buffer channel.
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go peer.Backend.GlobalBlockchainCache.SeenBlockchainVersion(peer)
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}
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@@ -43,6 +43,6 @@ LocalFirewall: false # Indicates that a local firewall may drop unsolicited i
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PortForward: 0 # Default not set.
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# Global blockchain cache limits
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CacheMaxBlockSize: 4096 # Max block size to accept in bytes.
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CacheMaxBlockSize: 50096 # Max block size to accept in bytes.
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CacheMaxBlockCount: 256 # Max block count to cache per peer.
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LimitTotalRecords: 0 # Record count limit. 0 = unlimited. Max Records * Max Block Size = Size Limit.
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@@ -83,6 +83,7 @@ func Start(Backend *core.Backend, ListenAddresses []string, UseSSL bool, Certifi
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api.Router.HandleFunc("/test", apiTest).Methods("GET")
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api.Router.HandleFunc("/status", api.apiStatus).Methods("GET")
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api.Router.HandleFunc("/status/peers", api.apiStatusPeers).Methods("GET")
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api.Router.HandleFunc("/status/config", api.apiStatusConfig).Methods("GET")
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api.Router.HandleFunc("/account/info", api.apiAccountInfo).Methods("GET")
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api.Router.HandleFunc("/account/delete", api.apiAccountDelete).Methods("GET")
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api.Router.HandleFunc("/blockchain/header", api.apiBlockchainHeaderFunc).Methods("GET")
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132
webapi/Status.go
132
webapi/Status.go
@@ -7,24 +7,24 @@ Author: Peter Kleissner
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package webapi
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import (
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"encoding/hex"
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"fmt"
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"net/http"
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"strconv"
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"encoding/hex"
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"fmt"
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"net/http"
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"strconv"
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)
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func apiTest(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("ok"))
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("ok"))
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}
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type apiResponseStatus struct {
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Status int `json:"status"` // Status code: 0 = Ok.
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IsConnected bool `json:"isconnected"` // Whether connected to Peernet.
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CountPeerList int `json:"countpeerlist"` // Count of peers in the peer list. Note that this contains peers that are considered inactive, but have not yet been removed from the list.
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CountNetwork int `json:"countnetwork"` // Count of total peers in the network.
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// This is usually a higher number than CountPeerList, which just represents the current number of connected peers.
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// The CountNetwork number is going to be queried from root peers which may or may not have a limited view.
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Status int `json:"status"` // Status code: 0 = Ok.
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IsConnected bool `json:"isconnected"` // Whether connected to Peernet.
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CountPeerList int `json:"countpeerlist"` // Count of peers in the peer list. Note that this contains peers that are considered inactive, but have not yet been removed from the list.
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CountNetwork int `json:"countnetwork"` // Count of total peers in the network.
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// This is usually a higher number than CountPeerList, which just represents the current number of connected peers.
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// The CountNetwork number is going to be queried from root peers which may or may not have a limited view.
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}
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/*
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@@ -33,20 +33,20 @@ Request: GET /status
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Result: 200 with JSON structure Status
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*/
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func (api *WebapiInstance) apiStatus(w http.ResponseWriter, r *http.Request) {
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status := apiResponseStatus{Status: 0, CountPeerList: api.Backend.PeerlistCount()}
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status.CountNetwork = status.CountPeerList // For now always same as CountPeerList, until native Statistics message to root peers is available.
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status := apiResponseStatus{Status: 0, CountPeerList: api.Backend.PeerlistCount()}
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status.CountNetwork = status.CountPeerList // For now always same as CountPeerList, until native Statistics message to root peers is available.
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// Connected: If at leat 2 peers.
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// This metric needs to be improved in the future, as root peers never disconnect.
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// Instead, the core should keep a count of "active peers".
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status.IsConnected = status.CountPeerList >= 2
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// Connected: If at leat 2 peers.
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// This metric needs to be improved in the future, as root peers never disconnect.
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// Instead, the core should keep a count of "active peers".
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status.IsConnected = status.CountPeerList >= 2
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EncodeJSON(api.Backend, w, r, status)
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EncodeJSON(api.Backend, w, r, status)
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}
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type apiResponsePeerSelf struct {
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PeerID string `json:"peerid"` // Peer ID. This is derived from the public in compressed form.
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NodeID string `json:"nodeid"` // Node ID. This is the blake3 hash of the peer ID and used in the DHT.
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PeerID string `json:"peerid"` // Peer ID. This is derived from the public in compressed form.
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NodeID string `json:"nodeid"` // Node ID. This is the blake3 hash of the peer ID and used in the DHT.
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}
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/*
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@@ -55,13 +55,13 @@ Request: GET /account/info
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Result: 200 with JSON structure apiResponsePeerSelf
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*/
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func (api *WebapiInstance) apiAccountInfo(w http.ResponseWriter, r *http.Request) {
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response := apiResponsePeerSelf{}
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response.NodeID = hex.EncodeToString(api.Backend.SelfNodeID())
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response := apiResponsePeerSelf{}
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response.NodeID = hex.EncodeToString(api.Backend.SelfNodeID())
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_, publicKey := api.Backend.ExportPrivateKey()
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response.PeerID = hex.EncodeToString(publicKey.SerializeCompressed())
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_, publicKey := api.Backend.ExportPrivateKey()
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response.PeerID = hex.EncodeToString(publicKey.SerializeCompressed())
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EncodeJSON(api.Backend, w, r, response)
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EncodeJSON(api.Backend, w, r, response)
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}
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/*
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@@ -72,15 +72,15 @@ Result: 204 if the user choses not to delete the account
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200 if successfully deleted
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*/
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func (api *WebapiInstance) apiAccountDelete(w http.ResponseWriter, r *http.Request) {
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r.ParseForm()
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if confirm, _ := strconv.ParseBool(r.Form.Get("confirm")); !confirm {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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r.ParseForm()
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if confirm, _ := strconv.ParseBool(r.Form.Get("confirm")); !confirm {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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api.Backend.DeleteAccount()
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api.Backend.DeleteAccount()
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w.WriteHeader(http.StatusOK)
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w.WriteHeader(http.StatusOK)
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}
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/*
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@@ -92,35 +92,53 @@ Request: GET /status/peers
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Result: 200 with JSON array apiResponsePeerInfo
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*/
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func (api *WebapiInstance) apiStatusPeers(w http.ResponseWriter, r *http.Request) {
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var peers []apiResponsePeerInfo
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var peers []apiResponsePeerInfo
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// query all nodes
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for _, peer := range api.Backend.PeerlistGet() {
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peerInfo := apiResponsePeerInfo{
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PeerID: peer.PublicKey.SerializeCompressed(),
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NodeID: peer.NodeID,
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UserAgent: peer.UserAgent,
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IsRoot: peer.IsRootPeer,
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BlockchainHeight: peer.BlockchainHeight,
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BlockchainVersion: peer.BlockchainVersion,
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}
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// query all nodes
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for _, peer := range api.Backend.PeerlistGet() {
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peerInfo := apiResponsePeerInfo{
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PeerID: peer.PublicKey.SerializeCompressed(),
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NodeID: peer.NodeID,
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UserAgent: peer.UserAgent,
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IsRoot: peer.IsRootPeer,
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BlockchainHeight: peer.BlockchainHeight,
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BlockchainVersion: peer.BlockchainVersion,
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}
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if latitude, longitude, valid := api.Peer2GeoIP(peer); valid {
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peerInfo.GeoIP = fmt.Sprintf("%.4f", latitude) + "," + fmt.Sprintf("%.4f", longitude)
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}
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if latitude, longitude, valid := api.Peer2GeoIP(peer); valid {
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peerInfo.GeoIP = fmt.Sprintf("%.4f", latitude) + "," + fmt.Sprintf("%.4f", longitude)
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}
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peers = append(peers, peerInfo)
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}
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peers = append(peers, peerInfo)
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}
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EncodeJSON(api.Backend, w, r, peers)
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EncodeJSON(api.Backend, w, r, peers)
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}
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type apiResponsePeerInfo struct {
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PeerID []byte `json:"peerid"` // Peer ID. This is derived from the public in compressed form.
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NodeID []byte `json:"nodeid"` // Node ID. This is the blake3 hash of the peer ID and used in the DHT.
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GeoIP string `json:"geoip"` // GeoIP location as "Latitude,Longitude" CSV format. Empty if location not available.
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UserAgent string `json:"useragent"` // User Agent.
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IsRoot bool `json:"isroot"` // If the peer is a root peer.
|
||||
BlockchainHeight uint64 `json:"blockchainheight"` // Blockchain height
|
||||
BlockchainVersion uint64 `json:"blockchainversion"` // Blockchain version
|
||||
PeerID []byte `json:"peerid"` // Peer ID. This is derived from the public in compressed form.
|
||||
NodeID []byte `json:"nodeid"` // Node ID. This is the blake3 hash of the peer ID and used in the DHT.
|
||||
GeoIP string `json:"geoip"` // GeoIP location as "Latitude,Longitude" CSV format. Empty if location not available.
|
||||
UserAgent string `json:"useragent"` // User Agent.
|
||||
IsRoot bool `json:"isroot"` // If the peer is a root peer.
|
||||
BlockchainHeight uint64 `json:"blockchainheight"` // Blockchain height
|
||||
BlockchainVersion uint64 `json:"blockchainversion"` // Blockchain version
|
||||
}
|
||||
|
||||
/*
|
||||
apiConfigPeers return the appropriate config information of the current Peer
|
||||
connected.
|
||||
|
||||
Request: GET /status/config
|
||||
Result: 200 with JSON apiResponseConfig
|
||||
*/
|
||||
func (api *WebapiInstance) apiStatusConfig(w http.ResponseWriter, r *http.Request) {
|
||||
var peer apiResponseConfig
|
||||
peer.BlockSize = api.Backend.Config.CacheMaxBlockSize
|
||||
|
||||
EncodeJSON(api.Backend, w, r, peer)
|
||||
}
|
||||
|
||||
type apiResponseConfig struct {
|
||||
BlockSize uint64 `json:"blockSize"`
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user