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tendermint/CHANGELOG_PENDING.md

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Unreleased Changes

vX.X

Special thanks to external contributors on this release:

@p4u from vocdoni.io reported that the mempool might behave incorrectly under a high load. The consequences can range from pauses between blocks to the peers disconnecting from this node. As a temporary remedy (until the mempool package is refactored), the max-batch-bytes was disabled. Transactions will be sent one by one without batching.

Friendly reminder, we have a bug bounty program.

BREAKING CHANGES

  • CLI/RPC/Config

    • [config] #5598 The test_fuzz and test_fuzz_config P2P settings have been removed. (@erikgrinaker)
    • [config] #5728 fast_sync = "v1" is no longer supported (@melekes)
    • [cli] #5772 gen_node_key prints JSON-encoded NodeKey rather than ID and does not save it to node_key.json (@melekes)
    • [cli] #5777 use hypen-case instead of snake_case for all cli comamnds and config parameters

  • Apps

    • [ABCI] #5447 Remove SetOption method from ABCI.Client interface
    • [ABCI] #5447 Reset Oneof indexes for Request and Response.
    • [ABCI] #5818 Use protoio for msg length delimitation. Migrates from int64 to uint64 length delimiters.

  • P2P Protocol

  • Go API

    • [abci/client, proxy] #5673 Async funcs return an error, Sync and Async funcs accept context.Context (@melekes)
    • [p2p] Removed unused function MakePoWTarget. (@erikgrinaker)
    • [libs/bits] #5720 Validate BitArray in FromProto, which now returns an error (@melekes)
    • [proto/p2p] Renamed DefaultNodeInfo and DefaultNodeInfoOther to NodeInfo and NodeInfoOther (@erikgrinaker)
    • [proto/p2p] Rename NodeInfo.default_node_id to node_id (@erikgrinaker)
    • [libs/os] EnsureDir now propagates IO errors and checks the file type (@erikgrinaker)
    • [libs/os] Kill() and {Must,}{Read,Write}File() functions have been removed. (@alessio)

  • Blockchain Protocol

  • Data Storage

    • [store/state/evidence/light] #5771 Use an order-preserving varint key encoding (@cmwaters)

FEATURES

IMPROVEMENTS

  • [crypto/ed25519] #5632 Adopt zip215 ed25519 verification. (@marbar3778)
  • [privval] #5603 Add --key to init, gen_validator, testnet & unsafe_reset_priv_validator for use in generating secp256k1 keys.
  • [privval] #5725 add gRPC support to private validator.
  • [abci/client] #5673 Async requests return an error if queue is full (@melekes)
  • [mempool] #5673 Cancel CheckTx requests if RPC client disconnects or times out (@melekes)
  • [abci] #5706 Added AbciVersion to RequestInfo allowing applications to check ABCI version when connecting to Tendermint. (@marbar3778)
  • [blockchain/v1] #5728 Remove in favor of v2 (@melekes)
  • [blockchain/v0] #5741 Relax termination conditions and increase sync timeout (@melekes)
  • [cli] #5772 gen_node_key output now contains node ID (id field) (@melekes)
  • [blockchain/v2] #5774 Send status request when new peer joins (@melekes)
  • [consensus] #5792 Deprecates the time_iota_ms consensus parameter, to reduce the bug surface. The parameter is no longer used. (@valardragon)

BUG FIXES

  • [types] #5523 Change json naming of PartSetHeader within BlockID from parts to part_set_header (@marbar3778)
  • [privval] #5638 Increase read/write timeout to 5s and calculate ping interval based on it (@JoeKash)
  • [blockchain/v1] #5701 Handle peers without blocks (@melekes)
  • [blockchain/v1] #5711 Fix deadlock (@melekes)