tendermint/CHANGELOG_PENDING.md

Pending

BREAKING CHANGES:

• [types] Header ...
• [state] Add NextValidatorSet, changes on-disk representation of state
• [state] Validator set changes are delayed by one block (!)
• [lite] Complete refactor of the package
• [rpc] /commit returns a signed_header field instead of everything being top-level
• [abci] Added address of the original proposer of the block to Header.
• [abci] Change ABCI Header to match Tendermint exactly
• [libs] Remove cmn.Fmt, in favor of fmt.Sprintf
• [blockchain] fix go-amino routes for blockchain messages
• [crypto] Rename AminoRoute variables to no longer be prefixed by signature type.
• [config] Replace MaxNumPeers with MaxNumInboundPeers and MaxNumOutboundPeers
• [node] NewNode now accepts a *p2p.NodeKey
• [crypto] Secp256k1 signature format changed from DER to r || s, both little endian encoded as 32 bytes.
• [crypto] Secp256k1 signature malleability removed by requiring s to be in canonical form. (See ADR 14)
• [abci] #2159 Update use of Validator ala ADR-018:
  • Remove PubKey from Validator and introduce ValidatorUpdate
  • InitChain and EndBlock use ValidatorUpdate
  • Update field names and types in BeginBlock
• [state] Implement BFT time
• [p2p] update secret connection to use a little endian encoded nonce
• [libs/clist] Panics if list extends beyond MaxLength
• [common] SplitAndTrim was deleted

FEATURES:

• [types] allow genesis file to have 0 validators (#2015)
• [libs] allow passing options through when creating instances of leveldb dbs (#2292)

IMPROVEMENTS:

• [docs] Lint documentation with write-good and stop-words.
• [scripts] Added json2wal tool, which is supposed to help our users restore corrupted WAL files and compose test WAL files (@bradyjoestar)
• [mempool] Now stores txs by hash inside of the cache, to mitigate memory leakage
• [config] Replace db_path with db_dir from automatically generated configuration files. Issue reported to Cosmos SDK (#1712)
• [config] Reduce default mempool size from 100k to 5k, until ABCI rechecking is implemented.

BUG FIXES:

• [mempool] No longer possible to fill up linked list without getting caching benefits #2180
• [state] kv store index tx.height to support search