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limit number of /subscribe clients and queries per client (#3269) * limit number of /subscribe clients and queries per client Add the following config variables (under [rpc] section): * max_subscription_clients * max_subscriptions_per_client * timeout_broadcast_tx_commit Fixes #2826 new HTTPClient interface for subscriptions finalize HTTPClient events interface remove EventSubscriber fix data race ``` WARNING: DATA RACE Read at 0x00c000a36060 by goroutine 129: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe.func1() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:168 +0x1f0 Previous write at 0x00c000a36060 by goroutine 132: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:191 +0x4e0 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 129 (running) created at: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:164 +0x4b7 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 132 (running) created at: testing.(*T).Run() /usr/local/go/src/testing/testing.go:878 +0x659 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:119 +0x186 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 ================== ``` lite client works (tested manually) godoc comments httpclient: do not close the out channel use TimeoutBroadcastTxCommit no timeout for unsubscribe but 1s Local (5s HTTP) timeout for resubscribe format code change Subscribe#out cap to 1 and replace config vars with RPCConfig TimeoutBroadcastTxCommit can't be greater than rpcserver.WriteTimeout rpc: Context as first parameter to all functions reformat code fixes after my own review fixes after Ethan's review add test stubs fix config.toml * fixes after manual testing - rpc: do not recommend to use BroadcastTxCommit because it's slow and wastes Tendermint resources (pubsub) - rpc: better error in Subscribe and BroadcastTxCommit - HTTPClient: do not resubscribe if err = ErrAlreadySubscribed * fixes after Ismail's review * Update rpc/grpc/grpc_test.go Co-Authored-By: melekes <anton.kalyaev@gmail.com>
6 years ago
mempool: move interface into mempool package (#3524) ## Description Refs #2659 Breaking changes in the mempool package: [mempool] #2659 Mempool now an interface old Mempool renamed to CListMempool NewMempool renamed to NewCListMempool Option renamed to CListOption MempoolReactor renamed to Reactor NewMempoolReactor renamed to NewReactor unexpose TxID method TxInfo.PeerID renamed to SenderID unexpose MempoolReactor.Mempool Breaking changes in the state package: [state] #2659 Mempool interface moved to mempool package MockMempool moved to top-level mock package and renamed to Mempool Non Breaking changes in the node package: [node] #2659 Add Mempool method, which allows you to access mempool ## Commits * move Mempool interface into mempool package Refs #2659 Breaking changes in the mempool package: - Mempool now an interface - old Mempool renamed to CListMempool Breaking changes to state package: - MockMempool moved to mempool/mock package and renamed to Mempool - Mempool interface moved to mempool package * assert CListMempool impl Mempool * gofmt code * rename MempoolReactor to Reactor - combine everything into one interface - rename TxInfo.PeerID to TxInfo.SenderID - unexpose MempoolReactor.Mempool * move mempool mock into top-level mock package * add a fixme TxsFront should not be a part of the Mempool interface because it leaks implementation details. Instead, we need to come up with general interface for querying the mempool so the MempoolReactor can fetch and broadcast txs to peers. * change node#Mempool to return interface * save commit = new reactor arch * Revert "save commit = new reactor arch" This reverts commit 1bfceacd9d65a720574683a7f22771e69af9af4d. * require CListMempool in mempool.Reactor * add two changelog entries * fixes after my own review * quote interfaces, structs and functions * fixes after Ismail's review * make node's mempool an interface * make InitWAL/CloseWAL methods a part of Mempool interface * fix merge conflicts * make node's mempool an interface
6 years ago
limit number of /subscribe clients and queries per client (#3269) * limit number of /subscribe clients and queries per client Add the following config variables (under [rpc] section): * max_subscription_clients * max_subscriptions_per_client * timeout_broadcast_tx_commit Fixes #2826 new HTTPClient interface for subscriptions finalize HTTPClient events interface remove EventSubscriber fix data race ``` WARNING: DATA RACE Read at 0x00c000a36060 by goroutine 129: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe.func1() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:168 +0x1f0 Previous write at 0x00c000a36060 by goroutine 132: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:191 +0x4e0 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 129 (running) created at: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:164 +0x4b7 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 132 (running) created at: testing.(*T).Run() /usr/local/go/src/testing/testing.go:878 +0x659 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:119 +0x186 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 ================== ``` lite client works (tested manually) godoc comments httpclient: do not close the out channel use TimeoutBroadcastTxCommit no timeout for unsubscribe but 1s Local (5s HTTP) timeout for resubscribe format code change Subscribe#out cap to 1 and replace config vars with RPCConfig TimeoutBroadcastTxCommit can't be greater than rpcserver.WriteTimeout rpc: Context as first parameter to all functions reformat code fixes after my own review fixes after Ethan's review add test stubs fix config.toml * fixes after manual testing - rpc: do not recommend to use BroadcastTxCommit because it's slow and wastes Tendermint resources (pubsub) - rpc: better error in Subscribe and BroadcastTxCommit - HTTPClient: do not resubscribe if err = ErrAlreadySubscribed * fixes after Ismail's review * Update rpc/grpc/grpc_test.go Co-Authored-By: melekes <anton.kalyaev@gmail.com>
6 years ago
mempool: move interface into mempool package (#3524) ## Description Refs #2659 Breaking changes in the mempool package: [mempool] #2659 Mempool now an interface old Mempool renamed to CListMempool NewMempool renamed to NewCListMempool Option renamed to CListOption MempoolReactor renamed to Reactor NewMempoolReactor renamed to NewReactor unexpose TxID method TxInfo.PeerID renamed to SenderID unexpose MempoolReactor.Mempool Breaking changes in the state package: [state] #2659 Mempool interface moved to mempool package MockMempool moved to top-level mock package and renamed to Mempool Non Breaking changes in the node package: [node] #2659 Add Mempool method, which allows you to access mempool ## Commits * move Mempool interface into mempool package Refs #2659 Breaking changes in the mempool package: - Mempool now an interface - old Mempool renamed to CListMempool Breaking changes to state package: - MockMempool moved to mempool/mock package and renamed to Mempool - Mempool interface moved to mempool package * assert CListMempool impl Mempool * gofmt code * rename MempoolReactor to Reactor - combine everything into one interface - rename TxInfo.PeerID to TxInfo.SenderID - unexpose MempoolReactor.Mempool * move mempool mock into top-level mock package * add a fixme TxsFront should not be a part of the Mempool interface because it leaks implementation details. Instead, we need to come up with general interface for querying the mempool so the MempoolReactor can fetch and broadcast txs to peers. * change node#Mempool to return interface * save commit = new reactor arch * Revert "save commit = new reactor arch" This reverts commit 1bfceacd9d65a720574683a7f22771e69af9af4d. * require CListMempool in mempool.Reactor * add two changelog entries * fixes after my own review * quote interfaces, structs and functions * fixes after Ismail's review * make node's mempool an interface * make InitWAL/CloseWAL methods a part of Mempool interface * fix merge conflicts * make node's mempool an interface
6 years ago
limit number of /subscribe clients and queries per client (#3269) * limit number of /subscribe clients and queries per client Add the following config variables (under [rpc] section): * max_subscription_clients * max_subscriptions_per_client * timeout_broadcast_tx_commit Fixes #2826 new HTTPClient interface for subscriptions finalize HTTPClient events interface remove EventSubscriber fix data race ``` WARNING: DATA RACE Read at 0x00c000a36060 by goroutine 129: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe.func1() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:168 +0x1f0 Previous write at 0x00c000a36060 by goroutine 132: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:191 +0x4e0 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 129 (running) created at: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:164 +0x4b7 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 132 (running) created at: testing.(*T).Run() /usr/local/go/src/testing/testing.go:878 +0x659 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:119 +0x186 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 ================== ``` lite client works (tested manually) godoc comments httpclient: do not close the out channel use TimeoutBroadcastTxCommit no timeout for unsubscribe but 1s Local (5s HTTP) timeout for resubscribe format code change Subscribe#out cap to 1 and replace config vars with RPCConfig TimeoutBroadcastTxCommit can't be greater than rpcserver.WriteTimeout rpc: Context as first parameter to all functions reformat code fixes after my own review fixes after Ethan's review add test stubs fix config.toml * fixes after manual testing - rpc: do not recommend to use BroadcastTxCommit because it's slow and wastes Tendermint resources (pubsub) - rpc: better error in Subscribe and BroadcastTxCommit - HTTPClient: do not resubscribe if err = ErrAlreadySubscribed * fixes after Ismail's review * Update rpc/grpc/grpc_test.go Co-Authored-By: melekes <anton.kalyaev@gmail.com>
6 years ago
  1. package core
  2. import (
  3. "fmt"
  4. "time"
  5. cfg "github.com/tendermint/tendermint/config"
  6. "github.com/tendermint/tendermint/consensus"
  7. "github.com/tendermint/tendermint/crypto"
  8. "github.com/tendermint/tendermint/libs/log"
  9. mempl "github.com/tendermint/tendermint/mempool"
  10. "github.com/tendermint/tendermint/p2p"
  11. "github.com/tendermint/tendermint/proxy"
  12. sm "github.com/tendermint/tendermint/state"
  13. "github.com/tendermint/tendermint/state/txindex"
  14. "github.com/tendermint/tendermint/types"
  15. dbm "github.com/tendermint/tm-db"
  16. )
  17. const (
  18. // see README
  19. defaultPerPage = 30
  20. maxPerPage = 100
  21. // SubscribeTimeout is the maximum time we wait to subscribe for an event.
  22. // must be less than the server's write timeout (see rpcserver.DefaultConfig)
  23. SubscribeTimeout = 5 * time.Second
  24. )
  25. //----------------------------------------------
  26. // These interfaces are used by RPC and must be thread safe
  27. type Consensus interface {
  28. GetState() sm.State
  29. GetValidators() (int64, []*types.Validator)
  30. GetLastHeight() int64
  31. GetRoundStateJSON() ([]byte, error)
  32. GetRoundStateSimpleJSON() ([]byte, error)
  33. }
  34. type transport interface {
  35. Listeners() []string
  36. IsListening() bool
  37. NodeInfo() p2p.NodeInfo
  38. }
  39. type peers interface {
  40. AddPersistentPeers([]string) error
  41. DialPeersAsync([]string) error
  42. NumPeers() (outbound, inbound, dialig int)
  43. Peers() p2p.IPeerSet
  44. }
  45. //----------------------------------------------
  46. // These package level globals come with setters
  47. // that are expected to be called only once, on startup
  48. var (
  49. // external, thread safe interfaces
  50. proxyAppQuery proxy.AppConnQuery
  51. // interfaces defined in types and above
  52. stateDB dbm.DB
  53. blockStore sm.BlockStore
  54. evidencePool sm.EvidencePool
  55. consensusState Consensus
  56. p2pPeers peers
  57. p2pTransport transport
  58. // objects
  59. pubKey crypto.PubKey
  60. genDoc *types.GenesisDoc // cache the genesis structure
  61. addrBook p2p.AddrBook
  62. txIndexer txindex.TxIndexer
  63. consensusReactor *consensus.ConsensusReactor
  64. eventBus *types.EventBus // thread safe
  65. mempool mempl.Mempool
  66. logger log.Logger
  67. config cfg.RPCConfig
  68. )
  69. func SetStateDB(db dbm.DB) {
  70. stateDB = db
  71. }
  72. func SetBlockStore(bs sm.BlockStore) {
  73. blockStore = bs
  74. }
  75. func SetMempool(mem mempl.Mempool) {
  76. mempool = mem
  77. }
  78. func SetEvidencePool(evpool sm.EvidencePool) {
  79. evidencePool = evpool
  80. }
  81. func SetConsensusState(cs Consensus) {
  82. consensusState = cs
  83. }
  84. func SetP2PPeers(p peers) {
  85. p2pPeers = p
  86. }
  87. func SetP2PTransport(t transport) {
  88. p2pTransport = t
  89. }
  90. func SetPubKey(pk crypto.PubKey) {
  91. pubKey = pk
  92. }
  93. func SetGenesisDoc(doc *types.GenesisDoc) {
  94. genDoc = doc
  95. }
  96. func SetAddrBook(book p2p.AddrBook) {
  97. addrBook = book
  98. }
  99. func SetProxyAppQuery(appConn proxy.AppConnQuery) {
  100. proxyAppQuery = appConn
  101. }
  102. func SetTxIndexer(indexer txindex.TxIndexer) {
  103. txIndexer = indexer
  104. }
  105. func SetConsensusReactor(conR *consensus.ConsensusReactor) {
  106. consensusReactor = conR
  107. }
  108. func SetLogger(l log.Logger) {
  109. logger = l
  110. }
  111. func SetEventBus(b *types.EventBus) {
  112. eventBus = b
  113. }
  114. // SetConfig sets an RPCConfig.
  115. func SetConfig(c cfg.RPCConfig) {
  116. config = c
  117. }
  118. func validatePage(page, perPage, totalCount int) (int, error) {
  119. if perPage < 1 {
  120. panic(fmt.Sprintf("zero or negative perPage: %d", perPage))
  121. }
  122. if page == 0 {
  123. return 1, nil // default
  124. }
  125. pages := ((totalCount - 1) / perPage) + 1
  126. if pages == 0 {
  127. pages = 1 // one page (even if it's empty)
  128. }
  129. if page < 0 || page > pages {
  130. return 1, fmt.Errorf("page should be within [0, %d] range, given %d", pages, page)
  131. }
  132. return page, nil
  133. }
  134. func validatePerPage(perPage int) int {
  135. if perPage < 1 {
  136. return defaultPerPage
  137. } else if perPage > maxPerPage {
  138. return maxPerPage
  139. }
  140. return perPage
  141. }
  142. func validateSkipCount(page, perPage int) int {
  143. skipCount := (page - 1) * perPage
  144. if skipCount < 0 {
  145. return 0
  146. }
  147. return skipCount
  148. }