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p2p: introduce peerConn to simplify peer creation (#1226) * expose AuthEnc in the P2P config if AuthEnc is true, dialed peers must have a node ID in the address and it must match the persistent pubkey from the secret handshake. Refs #1157 * fixes after my own review * fix docs * fix build failure ``` p2p/pex/pex_reactor_test.go:288:88: cannot use seed.NodeInfo().NetAddress() (type *p2p.NetAddress) as type string in array or slice literal ``` * p2p: introduce peerConn to simplify peer creation * Introduce `peerConn` containing the known fields of `peer` * `peer` only created in `sw.addPeer` once handshake is complete and NodeInfo is checked * Eliminates some mutable variables and makes the code flow better * Simplifies the `newXxxPeer` funcs * Use ID instead of PubKey where possible. * SetPubKeyFilter -> SetIDFilter * nodeInfo.Validate takes ID * remove peer.PubKey() * persistent node ids * fixes from review * test: use ip_plus_id.sh more * fix invalid memory panic during fast_sync test ``` 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: panic: runtime error: invalid memory address or nil pointer dereference 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x98dd3e] 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: goroutine 3432 [running]: 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.newOutboundPeerConn(0xc423fd1380, 0xc420933e00, 0x1, 0x1239a60, 0 xc420128c40, 0x2, 0x42caf6, 0xc42001f300, 0xc422831d98, 0xc4227951c0, ...) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/peer.go:123 +0x31e 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).addOutboundPeerWithConfig(0xc4200ad040, 0xc423fd1380, 0 xc420933e00, 0xc423f48801, 0x28, 0x2) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:455 +0x12b 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).DialPeerWithAddress(0xc4200ad040, 0xc423fd1380, 0x1, 0x 0, 0x0) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:371 +0xdc 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).reconnectToPeer(0xc4200ad040, 0x123e000, 0xc42007bb00) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:290 +0x25f 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: created by github.com/tendermint/tendermint/p2p.(*Switch).StopPeerForError 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:256 +0x1b7 ```
7 years ago
p2p: introduce peerConn to simplify peer creation (#1226) * expose AuthEnc in the P2P config if AuthEnc is true, dialed peers must have a node ID in the address and it must match the persistent pubkey from the secret handshake. Refs #1157 * fixes after my own review * fix docs * fix build failure ``` p2p/pex/pex_reactor_test.go:288:88: cannot use seed.NodeInfo().NetAddress() (type *p2p.NetAddress) as type string in array or slice literal ``` * p2p: introduce peerConn to simplify peer creation * Introduce `peerConn` containing the known fields of `peer` * `peer` only created in `sw.addPeer` once handshake is complete and NodeInfo is checked * Eliminates some mutable variables and makes the code flow better * Simplifies the `newXxxPeer` funcs * Use ID instead of PubKey where possible. * SetPubKeyFilter -> SetIDFilter * nodeInfo.Validate takes ID * remove peer.PubKey() * persistent node ids * fixes from review * test: use ip_plus_id.sh more * fix invalid memory panic during fast_sync test ``` 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: panic: runtime error: invalid memory address or nil pointer dereference 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x98dd3e] 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: goroutine 3432 [running]: 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.newOutboundPeerConn(0xc423fd1380, 0xc420933e00, 0x1, 0x1239a60, 0 xc420128c40, 0x2, 0x42caf6, 0xc42001f300, 0xc422831d98, 0xc4227951c0, ...) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/peer.go:123 +0x31e 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).addOutboundPeerWithConfig(0xc4200ad040, 0xc423fd1380, 0 xc420933e00, 0xc423f48801, 0x28, 0x2) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:455 +0x12b 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).DialPeerWithAddress(0xc4200ad040, 0xc423fd1380, 0x1, 0x 0, 0x0) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:371 +0xdc 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).reconnectToPeer(0xc4200ad040, 0x123e000, 0xc42007bb00) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:290 +0x25f 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: created by github.com/tendermint/tendermint/p2p.(*Switch).StopPeerForError 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:256 +0x1b7 ```
7 years ago
p2p: introduce peerConn to simplify peer creation (#1226) * expose AuthEnc in the P2P config if AuthEnc is true, dialed peers must have a node ID in the address and it must match the persistent pubkey from the secret handshake. Refs #1157 * fixes after my own review * fix docs * fix build failure ``` p2p/pex/pex_reactor_test.go:288:88: cannot use seed.NodeInfo().NetAddress() (type *p2p.NetAddress) as type string in array or slice literal ``` * p2p: introduce peerConn to simplify peer creation * Introduce `peerConn` containing the known fields of `peer` * `peer` only created in `sw.addPeer` once handshake is complete and NodeInfo is checked * Eliminates some mutable variables and makes the code flow better * Simplifies the `newXxxPeer` funcs * Use ID instead of PubKey where possible. * SetPubKeyFilter -> SetIDFilter * nodeInfo.Validate takes ID * remove peer.PubKey() * persistent node ids * fixes from review * test: use ip_plus_id.sh more * fix invalid memory panic during fast_sync test ``` 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: panic: runtime error: invalid memory address or nil pointer dereference 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x98dd3e] 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: goroutine 3432 [running]: 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.newOutboundPeerConn(0xc423fd1380, 0xc420933e00, 0x1, 0x1239a60, 0 xc420128c40, 0x2, 0x42caf6, 0xc42001f300, 0xc422831d98, 0xc4227951c0, ...) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/peer.go:123 +0x31e 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).addOutboundPeerWithConfig(0xc4200ad040, 0xc423fd1380, 0 xc420933e00, 0xc423f48801, 0x28, 0x2) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:455 +0x12b 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).DialPeerWithAddress(0xc4200ad040, 0xc423fd1380, 0x1, 0x 0, 0x0) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:371 +0xdc 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: github.com/tendermint/tendermint/p2p.(*Switch).reconnectToPeer(0xc4200ad040, 0x123e000, 0xc42007bb00) 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:290 +0x25f 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: created by github.com/tendermint/tendermint/p2p.(*Switch).StopPeerForError 2018-02-21T06:30:05Z box887.localdomain docker/local_testnet_4[14907]: #011/go/src/github.com/tendermint/tendermint/p2p/switch.go:256 +0x1b7 ```
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  1. # Changelog
  2. ## Roadmap
  3. BREAKING CHANGES:
  4. - Better support for injecting randomness
  5. - Upgrade consensus for more real-time use of evidence
  6. FEATURES:
  7. - Use the chain as its own CA for nodes and validators
  8. - Tooling to run multiple blockchains/apps, possibly in a single process
  9. - State syncing (without transaction replay)
  10. - Add authentication and rate-limitting to the RPC
  11. IMPROVEMENTS:
  12. - Improve subtleties around mempool caching and logic
  13. - Consensus optimizations:
  14. - cache block parts for faster agreement after round changes
  15. - propagate block parts rarest first
  16. - Better testing of the consensus state machine (ie. use a DSL)
  17. - Auto compiled serialization/deserialization code instead of go-wire reflection
  18. BUG FIXES:
  19. - Graceful handling/recovery for apps that have non-determinism or fail to halt
  20. - Graceful handling/recovery for violations of safety, or liveness
  21. ## 0.19.2 (April 30th, 2018)
  22. FEATURES:
  23. - [p2p] Allow peers with different Minor versions to connect
  24. - [rpc] `/net_info` includes `n_peers`
  25. IMPROVEMENTS:
  26. - [p2p] Various code comments, cleanup, error types
  27. - [p2p] Change some Error logs to Debug
  28. BUG FIXES:
  29. - [p2p] Fix reconnect to persistent peer when first dial fails
  30. - [p2p] Validate NodeInfo.ListenAddr
  31. - [p2p] Only allow (MaxNumPeers - MaxNumOutboundPeers) inbound peers
  32. - [p2p/pex] Limit max msg size to 64kB
  33. - [p2p] Fix panic when pex=false
  34. - [p2p] Allow multiple IPs per ID in AddrBook
  35. - [p2p] Fix before/after bugs in addrbook isBad()
  36. ## 0.19.1 (April 27th, 2018)
  37. Note this release includes some small breaking changes in the RPC and one in the
  38. config that are really bug fixes. v0.19.1 will work with existing chains, and make Tendermint
  39. easier to use and debug. With <3
  40. BREAKING (MINOR)
  41. - [config] Removed `wal_light` setting. If you really needed this, let us know
  42. FEATURES:
  43. - [networks] moved in tooling from devops repo: terraform and ansible scripts for deploying testnets !
  44. - [cmd] Added `gen_node_key` command
  45. BUG FIXES
  46. Some of these are breaking in the RPC response, but they're really bugs!
  47. - [spec] Document address format and pubkey encoding pre and post Amino
  48. - [rpc] Lower case JSON field names
  49. - [rpc] Fix missing entries, improve, and lower case the fields in `/dump_consensus_state`
  50. - [rpc] Fix NodeInfo.Channels format to hex
  51. - [rpc] Add Validator address to `/status`
  52. - [rpc] Fix `prove` in ABCIQuery
  53. - [cmd] MarshalJSONIndent on init
  54. ## 0.19.0 (April 13th, 2018)
  55. BREAKING:
  56. - [cmd] improved `testnet` command; now it can fill in `persistent_peers` for you in the config file and much more (see `tendermint testnet --help` for details)
  57. - [cmd] `show_node_id` now returns an error if there is no node key
  58. - [rpc]: changed the output format for the `/status` endpoint (see https://godoc.org/github.com/tendermint/tendermint/rpc/core#Status)
  59. Upgrade from go-wire to go-amino. This is a sweeping change that breaks everything that is
  60. serialized to disk or over the network.
  61. See github.com/tendermint/go-amino for details on the new format.
  62. See `scripts/wire2amino.go` for a tool to upgrade
  63. genesis/priv_validator/node_key JSON files.
  64. FEATURES
  65. - [test] docker-compose for local testnet setup (thanks Greg!)
  66. ## 0.18.0 (April 6th, 2018)
  67. BREAKING:
  68. - [types] Merkle tree uses different encoding for varints (see tmlibs v0.8.0)
  69. - [types] ValidtorSet.GetByAddress returns -1 if no validator found
  70. - [p2p] require all addresses come with an ID no matter what
  71. - [rpc] Listening address must contain tcp:// or unix:// prefix
  72. FEATURES:
  73. - [rpc] StartHTTPAndTLSServer (not used yet)
  74. - [rpc] Include validator's voting power in `/status`
  75. - [rpc] `/tx` and `/tx_search` responses now include the transaction hash
  76. - [rpc] Include peer NodeIDs in `/net_info`
  77. IMPROVEMENTS:
  78. - [config] trim whitespace from elements of lists (like `persistent_peers`)
  79. - [rpc] `/tx_search` results are sorted by height
  80. - [p2p] do not try to connect to ourselves (ok, maybe only once)
  81. - [p2p] seeds respond with a bias towards good peers
  82. BUG FIXES:
  83. - [rpc] fix subscribing using an abci.ResponseDeliverTx tag
  84. - [rpc] fix tx_indexers matchRange
  85. - [rpc] fix unsubscribing (see tmlibs v0.8.0)
  86. ## 0.17.1 (March 27th, 2018)
  87. BUG FIXES:
  88. - [types] Actually support `app_state` in genesis as `AppStateJSON`
  89. ## 0.17.0 (March 27th, 2018)
  90. BREAKING:
  91. - [types] WriteSignBytes -> SignBytes
  92. IMPROVEMENTS:
  93. - [all] renamed `dummy` (`persistent_dummy`) to `kvstore` (`persistent_kvstore`) (name "dummy" is deprecated and will not work in the next breaking release)
  94. - [docs] note on determinism (docs/determinism.rst)
  95. - [genesis] `app_options` field is deprecated. please rename it to `app_state` in your genesis file(s). `app_options` will not work in the next breaking release
  96. - [p2p] dial seeds directly without potential peers
  97. - [p2p] exponential backoff for addrs in the address book
  98. - [p2p] mark peer as good if it contributed enough votes or block parts
  99. - [p2p] stop peer if it sends incorrect data, msg to unknown channel, msg we did not expect
  100. - [p2p] when `auth_enc` is true, all dialed peers must have a node ID in their address
  101. - [spec] various improvements
  102. - switched from glide to dep internally for package management
  103. - [wire] prep work for upgrading to new go-wire (which is now called go-amino)
  104. FEATURES:
  105. - [config] exposed `auth_enc` flag to enable/disable encryption
  106. - [config] added the `--p2p.private_peer_ids` flag and `PrivatePeerIDs` config variable (see config for description)
  107. - [rpc] added `/health` endpoint, which returns empty result for now
  108. - [types/priv_validator] new format and socket client, allowing for remote signing
  109. BUG FIXES:
  110. - [consensus] fix liveness bug by introducing ValidBlock mechanism
  111. ## 0.16.0 (February 20th, 2018)
  112. BREAKING CHANGES:
  113. - [config] use $TMHOME/config for all config and json files
  114. - [p2p] old `--p2p.seeds` is now `--p2p.persistent_peers` (persistent peers to which TM will always connect to)
  115. - [p2p] now `--p2p.seeds` only used for getting addresses (if addrbook is empty; not persistent)
  116. - [p2p] NodeInfo: remove RemoteAddr and add Channels
  117. - we must have at least one overlapping channel with peer
  118. - we only send msgs for channels the peer advertised
  119. - [p2p/conn] pong timeout
  120. - [lite] comment out IAVL related code
  121. FEATURES:
  122. - [p2p] added new `/dial_peers&persistent=_` **unsafe** endpoint
  123. - [p2p] persistent node key in `$THMHOME/config/node_key.json`
  124. - [p2p] introduce peer ID and authenticate peers by ID using addresses like `ID@IP:PORT`
  125. - [p2p/pex] new seed mode crawls the network and serves as a seed.
  126. - [config] MempoolConfig.CacheSize
  127. - [config] P2P.SeedMode (`--p2p.seed_mode`)
  128. IMPROVEMENT:
  129. - [p2p/pex] stricter rules in the PEX reactor for better handling of abuse
  130. - [p2p] various improvements to code structure including subpackages for `pex` and `conn`
  131. - [docs] new spec!
  132. - [all] speed up the tests!
  133. BUG FIX:
  134. - [blockchain] StopPeerForError on timeout
  135. - [consensus] StopPeerForError on a bad Maj23 message
  136. - [state] flush mempool conn before calling commit
  137. - [types] fix priv val signing things that only differ by timestamp
  138. - [mempool] fix memory leak causing zombie peers
  139. - [p2p/conn] fix potential deadlock
  140. ## 0.15.0 (December 29, 2017)
  141. BREAKING CHANGES:
  142. - [p2p] enable the Peer Exchange reactor by default
  143. - [types] add Timestamp field to Proposal/Vote
  144. - [types] add new fields to Header: TotalTxs, ConsensusParamsHash, LastResultsHash, EvidenceHash
  145. - [types] add Evidence to Block
  146. - [types] simplify ValidateBasic
  147. - [state] updates to support changes to the header
  148. - [state] Enforce <1/3 of validator set can change at a time
  149. FEATURES:
  150. - [state] Send indices of absent validators and addresses of byzantine validators in BeginBlock
  151. - [state] Historical ConsensusParams and ABCIResponses
  152. - [docs] Specification for the base Tendermint data structures.
  153. - [evidence] New evidence reactor for gossiping and managing evidence
  154. - [rpc] `/block_results?height=X` returns the DeliverTx results for a given height.
  155. IMPROVEMENTS:
  156. - [consensus] Better handling of corrupt WAL file
  157. BUG FIXES:
  158. - [lite] fix race
  159. - [state] validate block.Header.ValidatorsHash
  160. - [p2p] allow seed addresses to be prefixed with eg. `tcp://`
  161. - [p2p] use consistent key to refer to peers so we dont try to connect to existing peers
  162. - [cmd] fix `tendermint init` to ignore files that are there and generate files that aren't.
  163. ## 0.14.0 (December 11, 2017)
  164. BREAKING CHANGES:
  165. - consensus/wal: removed separator
  166. - rpc/client: changed Subscribe/Unsubscribe/UnsubscribeAll funcs signatures to be identical to event bus.
  167. FEATURES:
  168. - new `tendermint lite` command (and `lite/proxy` pkg) for running a light-client RPC proxy.
  169. NOTE it is currently insecure and its APIs are not yet covered by semver
  170. IMPROVEMENTS:
  171. - rpc/client: can act as event bus subscriber (See https://github.com/tendermint/tendermint/issues/945).
  172. - p2p: use exponential backoff from seconds to hours when attempting to reconnect to persistent peer
  173. - config: moniker defaults to the machine's hostname instead of "anonymous"
  174. BUG FIXES:
  175. - p2p: no longer exit if one of the seed addresses is incorrect
  176. ## 0.13.0 (December 6, 2017)
  177. BREAKING CHANGES:
  178. - abci: update to v0.8 using gogo/protobuf; includes tx tags, vote info in RequestBeginBlock, data.Bytes everywhere, use int64, etc.
  179. - types: block heights are now `int64` everywhere
  180. - types & node: EventSwitch and EventCache have been replaced by EventBus and EventBuffer; event types have been overhauled
  181. - node: EventSwitch methods now refer to EventBus
  182. - rpc/lib/types: RPCResponse is no longer a pointer; WSRPCConnection interface has been modified
  183. - rpc/client: WaitForOneEvent takes an EventsClient instead of types.EventSwitch
  184. - rpc/client: Add/RemoveListenerForEvent are now Subscribe/Unsubscribe
  185. - rpc/core/types: ResultABCIQuery wraps an abci.ResponseQuery
  186. - rpc: `/subscribe` and `/unsubscribe` take `query` arg instead of `event`
  187. - rpc: `/status` returns the LatestBlockTime in human readable form instead of in nanoseconds
  188. - mempool: cached transactions return an error instead of an ABCI response with BadNonce
  189. FEATURES:
  190. - rpc: new `/unsubscribe_all` WebSocket RPC endpoint
  191. - rpc: new `/tx_search` endpoint for filtering transactions by more complex queries
  192. - p2p/trust: new trust metric for tracking peers. See ADR-006
  193. - config: TxIndexConfig allows to set what DeliverTx tags to index
  194. IMPROVEMENTS:
  195. - New asynchronous events system using `tmlibs/pubsub`
  196. - logging: Various small improvements
  197. - consensus: Graceful shutdown when app crashes
  198. - tests: Fix various non-deterministic errors
  199. - p2p: more defensive programming
  200. BUG FIXES:
  201. - consensus: fix panic where prs.ProposalBlockParts is not initialized
  202. - p2p: fix panic on bad channel
  203. ## 0.12.1 (November 27, 2017)
  204. BUG FIXES:
  205. - upgrade tmlibs dependency to enable Windows builds for Tendermint
  206. ## 0.12.0 (October 27, 2017)
  207. BREAKING CHANGES:
  208. - rpc/client: websocket ResultsCh and ErrorsCh unified in ResponsesCh.
  209. - rpc/client: ABCIQuery no longer takes `prove`
  210. - state: remove GenesisDoc from state.
  211. - consensus: new binary WAL format provides efficiency and uses checksums to detect corruption
  212. - use scripts/wal2json to convert to json for debugging
  213. FEATURES:
  214. - new `certifiers` pkg contains the tendermint light-client library (name subject to change)!
  215. - rpc: `/genesis` includes the `app_options` .
  216. - rpc: `/abci_query` takes an additional `height` parameter to support historical queries.
  217. - rpc/client: new ABCIQueryWithOptions supports options like `trusted` (set false to get a proof) and `height` to query a historical height.
  218. IMPROVEMENTS:
  219. - rpc: `/genesis` result includes `app_options`
  220. - rpc/lib/client: add jitter to reconnects.
  221. - rpc/lib/types: `RPCError` satisfies the `error` interface.
  222. BUG FIXES:
  223. - rpc/client: fix ws deadlock after stopping
  224. - blockchain: fix panic on AddBlock when peer is nil
  225. - mempool: fix sending on TxsAvailable when a tx has been invalidated
  226. - consensus: dont run WAL catchup if we fast synced
  227. ## 0.11.1 (October 10, 2017)
  228. IMPROVEMENTS:
  229. - blockchain/reactor: respondWithNoResponseMessage for missing height
  230. BUG FIXES:
  231. - rpc: fixed client WebSocket timeout
  232. - rpc: client now resubscribes on reconnection
  233. - rpc: fix panics on missing params
  234. - rpc: fix `/dump_consensus_state` to have normal json output (NOTE: technically breaking, but worth a bug fix label)
  235. - types: fixed out of range error in VoteSet.addVote
  236. - consensus: fix wal autofile via https://github.com/tendermint/tmlibs/blob/master/CHANGELOG.md#032-october-2-2017
  237. ## 0.11.0 (September 22, 2017)
  238. BREAKING:
  239. - genesis file: validator `amount` is now `power`
  240. - abci: Info, BeginBlock, InitChain all take structs
  241. - rpc: various changes to match JSONRPC spec (http://www.jsonrpc.org/specification), including breaking ones:
  242. - requests that previously returned HTTP code 4XX now return 200 with an error code in the JSONRPC.
  243. - `rpctypes.RPCResponse` uses new `RPCError` type instead of `string`.
  244. - cmd: if there is no genesis, exit immediately instead of waiting around for one to show.
  245. - types: `Signer.Sign` returns an error.
  246. - state: every validator set change is persisted to disk, which required some changes to the `State` structure.
  247. - p2p: new `p2p.Peer` interface used for all reactor methods (instead of `*p2p.Peer` struct).
  248. FEATURES:
  249. - rpc: `/validators?height=X` allows querying of validators at previous heights.
  250. - rpc: Leaving the `height` param empty for `/block`, `/validators`, and `/commit` will return the value for the latest height.
  251. IMPROVEMENTS:
  252. - docs: Moved all docs from the website and tools repo in, converted to `.rst`, and cleaned up for presentation on `tendermint.readthedocs.io`
  253. BUG FIXES:
  254. - fix WAL openning issue on Windows
  255. ## 0.10.4 (September 5, 2017)
  256. IMPROVEMENTS:
  257. - docs: Added Slate docs to each rpc function (see rpc/core)
  258. - docs: Ported all website docs to Read The Docs
  259. - config: expose some p2p params to tweak performance: RecvRate, SendRate, and MaxMsgPacketPayloadSize
  260. - rpc: Upgrade the websocket client and server, including improved auto reconnect, and proper ping/pong
  261. BUG FIXES:
  262. - consensus: fix panic on getVoteBitArray
  263. - consensus: hang instead of panicking on byzantine consensus failures
  264. - cmd: dont load config for version command
  265. ## 0.10.3 (August 10, 2017)
  266. FEATURES:
  267. - control over empty block production:
  268. - new flag, `--consensus.create_empty_blocks`; when set to false, blocks are only created when there are txs or when the AppHash changes.
  269. - new config option, `consensus.create_empty_blocks_interval`; an empty block is created after this many seconds.
  270. - in normal operation, `create_empty_blocks = true` and `create_empty_blocks_interval = 0`, so blocks are being created all the time (as in all previous versions of tendermint). The number of empty blocks can be reduced by increasing `create_empty_blocks_interval` or by setting `create_empty_blocks = false`.
  271. - new `TxsAvailable()` method added to Mempool that returns a channel which fires when txs are available.
  272. - new heartbeat message added to consensus reactor to notify peers that a node is waiting for txs before entering propose step.
  273. - rpc: Add `syncing` field to response returned by `/status`. Is `true` while in fast-sync mode.
  274. IMPROVEMENTS:
  275. - various improvements to documentation and code comments
  276. BUG FIXES:
  277. - mempool: pass height into constructor so it doesn't always start at 0
  278. ## 0.10.2 (July 10, 2017)
  279. FEATURES:
  280. - Enable lower latency block commits by adding consensus reactor sleep durations and p2p flush throttle timeout to the config
  281. IMPROVEMENTS:
  282. - More detailed logging in the consensus reactor and state machine
  283. - More in-code documentation for many exposed functions, especially in consensus/reactor.go and p2p/switch.go
  284. - Improved readability for some function definitions and code blocks with long lines
  285. ## 0.10.1 (June 28, 2017)
  286. FEATURES:
  287. - Use `--trace` to get stack traces for logged errors
  288. - types: GenesisDoc.ValidatorHash returns the hash of the genesis validator set
  289. - types: GenesisDocFromFile parses a GenesiDoc from a JSON file
  290. IMPROVEMENTS:
  291. - Add a Code of Conduct
  292. - Variety of improvements as suggested by `megacheck` tool
  293. - rpc: deduplicate tests between rpc/client and rpc/tests
  294. - rpc: addresses without a protocol prefix default to `tcp://`. `http://` is also accepted as an alias for `tcp://`
  295. - cmd: commands are more easily reuseable from other tools
  296. - DOCKER: automate build/push
  297. BUG FIXES:
  298. - Fix log statements using keys with spaces (logger does not currently support spaces)
  299. - rpc: set logger on websocket connection
  300. - rpc: fix ws connection stability by setting write deadline on pings
  301. ## 0.10.0 (June 2, 2017)
  302. Includes major updates to configuration, logging, and json serialization.
  303. Also includes the Grand Repo-Merge of 2017.
  304. BREAKING CHANGES:
  305. - Config and Flags:
  306. - The `config` map is replaced with a [`Config` struct](https://github.com/tendermint/tendermint/blob/master/config/config.go#L11),
  307. containing substructs: `BaseConfig`, `P2PConfig`, `MempoolConfig`, `ConsensusConfig`, `RPCConfig`
  308. - This affects the following flags:
  309. - `--seeds` is now `--p2p.seeds`
  310. - `--node_laddr` is now `--p2p.laddr`
  311. - `--pex` is now `--p2p.pex`
  312. - `--skip_upnp` is now `--p2p.skip_upnp`
  313. - `--rpc_laddr` is now `--rpc.laddr`
  314. - `--grpc_laddr` is now `--rpc.grpc_laddr`
  315. - Any configuration option now within a substract must come under that heading in the `config.toml`, for instance:
  316. ```
  317. [p2p]
  318. laddr="tcp://1.2.3.4:46656"
  319. [consensus]
  320. timeout_propose=1000
  321. ```
  322. - Use viper and `DefaultConfig() / TestConfig()` functions to handle defaults, and remove `config/tendermint` and `config/tendermint_test`
  323. - Change some function and method signatures to
  324. - Change some [function and method signatures](https://gist.github.com/ebuchman/640d5fc6c2605f73497992fe107ebe0b) accomodate new config
  325. - Logger
  326. - Replace static `log15` logger with a simple interface, and provide a new implementation using `go-kit`.
  327. See our new [logging library](https://github.com/tendermint/tmlibs/log) and [blog post](https://tendermint.com/blog/abstracting-the-logger-interface-in-go) for more details
  328. - Levels `warn` and `notice` are removed (you may need to change them in your `config.toml`!)
  329. - Change some [function and method signatures](https://gist.github.com/ebuchman/640d5fc6c2605f73497992fe107ebe0b) to accept a logger
  330. - JSON serialization:
  331. - Replace `[TypeByte, Xxx]` with `{"type": "some-type", "data": Xxx}` in RPC and all `.json` files by using `go-wire/data`. For instance, a public key is now:
  332. ```
  333. "pub_key": {
  334. "type": "ed25519",
  335. "data": "83DDF8775937A4A12A2704269E2729FCFCD491B933C4B0A7FFE37FE41D7760D0"
  336. }
  337. ```
  338. - Remove type information about RPC responses, so `[TypeByte, {"jsonrpc": "2.0", ... }]` is now just `{"jsonrpc": "2.0", ... }`
  339. - Change `[]byte` to `data.Bytes` in all serialized types (for hex encoding)
  340. - Lowercase the JSON tags in `ValidatorSet` fields
  341. - Introduce `EventDataInner` for serializing events
  342. - Other:
  343. - Send InitChain message in handshake if `appBlockHeight == 0`
  344. - Do not include the `Accum` field when computing the validator hash. This makes the ValidatorSetHash unique for a given validator set, rather than changing with every block (as the Accum changes)
  345. - Unsafe RPC calls are not enabled by default. This includes `/dial_seeds`, and all calls prefixed with `unsafe`. Use the `--rpc.unsafe` flag to enable.
  346. FEATURES:
  347. - Per-module log levels. For instance, the new default is `state:info,*:error`, which means the `state` package logs at `info` level, and everything else logs at `error` level
  348. - Log if a node is validator or not in every consensus round
  349. - Use ldflags to set git hash as part of the version
  350. - Ignore `address` and `pub_key` fields in `priv_validator.json` and overwrite them with the values derrived from the `priv_key`
  351. IMPROVEMENTS:
  352. - Merge `tendermint/go-p2p -> tendermint/tendermint/p2p` and `tendermint/go-rpc -> tendermint/tendermint/rpc/lib`
  353. - Update paths for grand repo merge:
  354. - `go-common -> tmlibs/common`
  355. - `go-data -> go-wire/data`
  356. - All other `go-` libs, except `go-crypto` and `go-wire`, are merged under `tmlibs`
  357. - No global loggers (loggers are passed into constructors, or preferably set with a SetLogger method)
  358. - Return HTTP status codes with errors for RPC responses
  359. - Limit `/blockchain_info` call to return a maximum of 20 blocks
  360. - Use `.Wrap()` and `.Unwrap()` instead of eg. `PubKeyS` for `go-crypto` types
  361. - RPC JSON responses use pretty printing (via `json.MarshalIndent`)
  362. - Color code different instances of the consensus for tests
  363. - Isolate viper to `cmd/tendermint/commands` and do not read config from file for tests
  364. ## 0.9.2 (April 26, 2017)
  365. BUG FIXES:
  366. - Fix bug in `ResetPrivValidator` where we were using the global config and log (causing external consumers, eg. basecoin, to fail).
  367. ## 0.9.1 (April 21, 2017)
  368. FEATURES:
  369. - Transaction indexing - txs are indexed by their hash using a simple key-value store; easily extended to more advanced indexers
  370. - New `/tx?hash=X` endpoint to query for transactions and their DeliverTx result by hash. Optionally returns a proof of the tx's inclusion in the block
  371. - `tendermint testnet` command initializes files for a testnet
  372. IMPROVEMENTS:
  373. - CLI now uses Cobra framework
  374. - TMROOT is now TMHOME (TMROOT will stop working in 0.10.0)
  375. - `/broadcast_tx_XXX` also returns the Hash (can be used to query for the tx)
  376. - `/broadcast_tx_commit` also returns the height the block was committed in
  377. - ABCIResponses struct persisted to disk before calling Commit; makes handshake replay much cleaner
  378. - WAL uses #ENDHEIGHT instead of #HEIGHT (#HEIGHT will stop working in 0.10.0)
  379. - Peers included via `--seeds`, under `seeds` in the config, or in `/dial_seeds` are now persistent, and will be reconnected to if the connection breaks
  380. BUG FIXES:
  381. - Fix bug in fast-sync where we stop syncing after a peer is removed, even if they're re-added later
  382. - Fix handshake replay to handle validator set changes and results of DeliverTx when we crash after app.Commit but before state.Save()
  383. ## 0.9.0 (March 6, 2017)
  384. BREAKING CHANGES:
  385. - Update ABCI to v0.4.0, where Query is now `Query(RequestQuery) ResponseQuery`, enabling precise proofs at particular heights:
  386. ```
  387. message RequestQuery{
  388. bytes data = 1;
  389. string path = 2;
  390. uint64 height = 3;
  391. bool prove = 4;
  392. }
  393. message ResponseQuery{
  394. CodeType code = 1;
  395. int64 index = 2;
  396. bytes key = 3;
  397. bytes value = 4;
  398. bytes proof = 5;
  399. uint64 height = 6;
  400. string log = 7;
  401. }
  402. ```
  403. - `BlockMeta` data type unifies its Hash and PartSetHash under a `BlockID`:
  404. ```
  405. type BlockMeta struct {
  406. BlockID BlockID `json:"block_id"` // the block hash and partsethash
  407. Header *Header `json:"header"` // The block's Header
  408. }
  409. ```
  410. - `ValidatorSet.Proposer` is exposed as a field and persisted with the `State`. Use `GetProposer()` to initialize or update after validator-set changes.
  411. - `tendermint gen_validator` command output is now pure JSON
  412. FEATURES:
  413. - New RPC endpoint `/commit?height=X` returns header and commit for block at height `X`
  414. - Client API for each endpoint, including mocks for testing
  415. IMPROVEMENTS:
  416. - `Node` is now a `BaseService`
  417. - Simplified starting Tendermint in-process from another application
  418. - Better organized Makefile
  419. - Scripts for auto-building binaries across platforms
  420. - Docker image improved, slimmed down (using Alpine), and changed from tendermint/tmbase to tendermint/tendermint
  421. - New repo files: `CONTRIBUTING.md`, Github `ISSUE_TEMPLATE`, `CHANGELOG.md`
  422. - Improvements on CircleCI for managing build/test artifacts
  423. - Handshake replay is doen through the consensus package, possibly using a mockApp
  424. - Graceful shutdown of RPC listeners
  425. - Tests for the PEX reactor and DialSeeds
  426. BUG FIXES:
  427. - Check peer.Send for failure before updating PeerState in consensus
  428. - Fix panic in `/dial_seeds` with invalid addresses
  429. - Fix proposer selection logic in ValidatorSet by taking the address into account in the `accumComparable`
  430. - Fix inconcistencies with `ValidatorSet.Proposer` across restarts by persisting it in the `State`
  431. ## 0.8.0 (January 13, 2017)
  432. BREAKING CHANGES:
  433. - New data type `BlockID` to represent blocks:
  434. ```
  435. type BlockID struct {
  436. Hash []byte `json:"hash"`
  437. PartsHeader PartSetHeader `json:"parts"`
  438. }
  439. ```
  440. - `Vote` data type now includes validator address and index:
  441. ```
  442. type Vote struct {
  443. ValidatorAddress []byte `json:"validator_address"`
  444. ValidatorIndex int `json:"validator_index"`
  445. Height int `json:"height"`
  446. Round int `json:"round"`
  447. Type byte `json:"type"`
  448. BlockID BlockID `json:"block_id"` // zero if vote is nil.
  449. Signature crypto.Signature `json:"signature"`
  450. }
  451. ```
  452. - Update TMSP to v0.3.0, where it is now called ABCI and AppendTx is DeliverTx
  453. - Hex strings in the RPC are now "0x" prefixed
  454. FEATURES:
  455. - New message type on the ConsensusReactor, `Maj23Msg`, for peers to alert others they've seen a Maj23,
  456. in order to track and handle conflicting votes intelligently to prevent Byzantine faults from causing halts:
  457. ```
  458. type VoteSetMaj23Message struct {
  459. Height int
  460. Round int
  461. Type byte
  462. BlockID types.BlockID
  463. }
  464. ```
  465. - Configurable block part set size
  466. - Validator set changes
  467. - Optionally skip TimeoutCommit if we have all the votes
  468. - Handshake between Tendermint and App on startup to sync latest state and ensure consistent recovery from crashes
  469. - GRPC server for BroadcastTx endpoint
  470. IMPROVEMENTS:
  471. - Less verbose logging
  472. - Better test coverage (37% -> 49%)
  473. - Canonical SignBytes for signable types
  474. - Write-Ahead Log for Mempool and Consensus via tmlibs/autofile
  475. - Better in-process testing for the consensus reactor and byzantine faults
  476. - Better crash/restart testing for individual nodes at preset failure points, and of networks at arbitrary points
  477. - Better abstraction over timeout mechanics
  478. BUG FIXES:
  479. - Fix memory leak in mempool peer
  480. - Fix panic on POLRound=-1
  481. - Actually set the CommitTime
  482. - Actually send BeginBlock message
  483. - Fix a liveness issues caused by Byzantine proposals/votes. Uses the new `Maj23Msg`.
  484. ## 0.7.4 (December 14, 2016)
  485. FEATURES:
  486. - Enable the Peer Exchange reactor with the `--pex` flag for more resilient gossip network (feature still in development, beware dragons)
  487. IMPROVEMENTS:
  488. - Remove restrictions on RPC endpoint `/dial_seeds` to enable manual network configuration
  489. ## 0.7.3 (October 20, 2016)
  490. IMPROVEMENTS:
  491. - Type safe FireEvent
  492. - More WAL/replay tests
  493. - Cleanup some docs
  494. BUG FIXES:
  495. - Fix deadlock in mempool for synchronous apps
  496. - Replay handles non-empty blocks
  497. - Fix race condition in HeightVoteSet
  498. ## 0.7.2 (September 11, 2016)
  499. BUG FIXES:
  500. - Set mustConnect=false so tendermint will retry connecting to the app
  501. ## 0.7.1 (September 10, 2016)
  502. FEATURES:
  503. - New TMSP connection for Query/Info
  504. - New RPC endpoints:
  505. - `tmsp_query`
  506. - `tmsp_info`
  507. - Allow application to filter peers through Query (off by default)
  508. IMPROVEMENTS:
  509. - TMSP connection type enforced at compile time
  510. - All listen/client urls use a "tcp://" or "unix://" prefix
  511. BUG FIXES:
  512. - Save LastSignature/LastSignBytes to `priv_validator.json` for recovery
  513. - Fix event unsubscribe
  514. - Fix fastsync/blockchain reactor
  515. ## 0.7.0 (August 7, 2016)
  516. BREAKING CHANGES:
  517. - Strict SemVer starting now!
  518. - Update to ABCI v0.2.0
  519. - Validation types now called Commit
  520. - NewBlock event only returns the block header
  521. FEATURES:
  522. - TMSP and RPC support TCP and UNIX sockets
  523. - Addition config options including block size and consensus parameters
  524. - New WAL mode `cswal_light`; logs only the validator's own votes
  525. - New RPC endpoints:
  526. - for starting/stopping profilers, and for updating config
  527. - `/broadcast_tx_commit`, returns when tx is included in a block, else an error
  528. - `/unsafe_flush_mempool`, empties the mempool
  529. IMPROVEMENTS:
  530. - Various optimizations
  531. - Remove bad or invalidated transactions from the mempool cache (allows later duplicates)
  532. - More elaborate testing using CircleCI including benchmarking throughput on 4 digitalocean droplets
  533. BUG FIXES:
  534. - Various fixes to WAL and replay logic
  535. - Various race conditions
  536. ## PreHistory
  537. Strict versioning only began with the release of v0.7.0, in late summer 2016.
  538. The project itself began in early summer 2014 and was workable decentralized cryptocurrency software by the end of that year.
  539. Through the course of 2015, in collaboration with Eris Industries (now Monax Indsutries),
  540. many additional features were integrated, including an implementation from scratch of the Ethereum Virtual Machine.
  541. That implementation now forms the heart of [Burrow](https://github.com/hyperledger/burrow).
  542. In the later half of 2015, the consensus algorithm was upgraded with a more asynchronous design and a more deterministic and robust implementation.
  543. By late 2015, frustration with the difficulty of forking a large monolithic stack to create alternative cryptocurrency designs led to the
  544. invention of the Application Blockchain Interface (ABCI), then called the Tendermint Socket Protocol (TMSP).
  545. The Ethereum Virtual Machine and various other transaction features were removed, and Tendermint was whittled down to a core consensus engine
  546. driving an application running in another process.
  547. The ABCI interface and implementation were iterated on and improved over the course of 2016,
  548. until versioned history kicked in with v0.7.0.