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CHANGELOG.md

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Changelog

0.9.0 (December 28, 2017)

BREAKING CHANGES:

  • [types] Id -> ID
  • [types] ResponseEndBlock: renamed Diffs field to ValidatorUpdates
  • [types] changed protobuf field indices for Request and Response oneof types

FEATURES:

  • [types] ResponseEndBlock: added ConsensusParamUpdates

BUG FIXES:

  • [cmd] fix console and batch commands to use a single persistent connection

0.8.0 (December 6, 2017)

BREAKING CHANGES:

  • [client] all XxxSync methods now return (ResponseXxx, error)
  • [types] all methods on Application interface now take RequestXxx and return (ResponseXxx, error).
    • Except CheckTx/DeliverTx, which takes a tx []byte argument.
    • Except Commit, which takes no arguments.
  • [types] removed Result and ResultQuery
  • [types] removed CodeType - only 0 == OK is defined here, everything else is left to convention at the application level
  • [types] switched to using gogo/protobuf for code generation
  • [types] use customtype feature of gogo/protobuf to replace []byte with data.Bytes in all generated types :)
    • this eliminates the need for additional types like ResultQuery
  • [types] pubKey -> pub_key
  • [types] uint64 -> int32 for Header.num_txs and PartSetHeader.total
  • [types] uint64 -> int64 for everything else
  • [types] ResponseSetOption includes error code
  • [abci-cli] codes are printed as their number instead of a message, except for code == 0, which is still printed as OK

FEATURES:

  • [types] ResponseDeliverTx: added tags field
  • [types] ResponseCheckTx: added gas and fee fields
  • [types] RequestBeginBlock: added absent_validators and byzantine_validators fields
  • [dummy] DeliverTx returns an owner tag and a key tag
  • [abci-cli] added log_level flag to control the logger
  • [abci-cli] introduce abci-cli test command for simple testing of ABCI server implementations via Counter application

0.7.1 (November 14, 2017)

IMPROVEMENTS:

  • [cli] added version command

BUG FIXES:

  • [server] fix "Connection error module=abci-server error=EOF"

0.7.0 (October 27, 2017)

BREAKING CHANGES:

  • [cli] consolidate example apps under a single abci-cli binary

IMPROVEMENTS:

  • [cli] use spf13/cobra instead of urfave/cli
  • [dummy] use iavl instead of merkleeyes, and add support for historical queries

BUG FIXES:

  • [client] fix deadlock on StopForError

0.6.0 (September 22, 2017)

BREAKING CHANGES:

  • [types/client] app.BeginBlock takes RequestBeginBlock
  • [types/client] app.InitChain takes RequestInitChain
  • [types/client] app.Info takes RequestInfo

IMPROVEMENTS:

  • various linting

0.5.0 (May 18, 2017)

BREAKING CHANGES:

  • NewSocketClient and NewGRPCClient no longer start the client automatically, and don't return errors. The caller is responsible for running client.Start() and checking the error.
  • NewSocketServer and NewGRPCServer no longer start the server automatically, and don't return errors. The caller is responsible for running server.Start() and checking the error.

FEATURES:

  • [types] new method func (res Result) IsSameCode(compare Result) bool checks whether two results have the same code
  • [types] new methods func (r *ResponseCheckTx) Result() Result and func (r *ResponseDeliverTx) Result() Result to convert from protobuf types (for control over json serialization)
  • [types] new method func (r *ResponseQuery) Result() *ResultQuery and struct ResultQuery to convert from protobuf types (for control over json serializtion)

IMPROVEMENTS:

  • Update imports for new tmlibs repository
  • Use the new logger
  • [abci-cli] Add flags to the query command for path, height, and prove
  • [types] use data.Bytes and json tags in the Result struct

BUG FIXES:

0.4.1 (April 18, 2017)

IMPROVEMENTS:

  • Update dependencies

0.4.0 (March 6, 2017)

BREAKING CHANGES:

  • Query takes RequestQuery and returns ResponseQuery. The request is split into data and path, can specify a height to query the state from, and whether or not the response should come with a proof. The response returns the corresponding key-value pair, with proof if requested.
message RequestQuery{
	bytes data = 1;
	string path = 2;
	uint64 height = 3;
	bool prove = 4;
}

message ResponseQuery{
	CodeType          code        = 1;
	int64             index       = 2;
	bytes             key         = 3;
	bytes             value       = 4;
	bytes             proof       = 5;
	uint64            height      = 6;
	string            log         = 7;
}

IMPROVEMENTS:

  • Updates to Makefile
  • Various cleanup
  • BaseApplication can be embedded by new apps to avoid implementing empty methods
  • Drop BlockchainAware and make BeginBlock/EndBlock part of the type Application interface

0.3.0 (January 12, 2017)

BREAKING CHANGES:

  • TMSP is now ABCI (Application/Asynchronous/A BlockChain Interface or Atomic BroadCast Interface)
  • AppendTx is now DeliverTx (conforms to the literature)
  • BeginBlock takes a Header:
message RequestBeginBlock{
	bytes hash = 1;
	Header header = 2;
}
  • Info returns a ResponseInfo, containing last block height and app hash:
message ResponseInfo {
	string data = 1;
	string version = 2;
	uint64 last_block_height = 3;
	bytes last_block_app_hash = 4;
}
  • EndBlock returns a ResponseEndBlock, containing the changed validators:
message ResponseEndBlock{
	repeated Validator diffs = 4;
}
  • Hex strings are 0x-prefixed in the CLI
  • Query on the Dummy app now uses hex-strings

FEATURES:

  • New app, PersistentDummy, uses Info/BeginBlock to recover from failures and supports validator set changes
  • New message types for blockchain data:
//----------------------------------------
// Blockchain Types

message Header {
	string chain_id = 1;
	uint64 height = 2;
	uint64 time = 3;
	uint64 num_txs = 4;
	BlockID last_block_id = 5;
	bytes last_commit_hash = 6;
	bytes data_hash = 7;
	bytes validators_hash = 8;
	bytes app_hash = 9;
}

message BlockID {
	bytes hash = 1;
	PartSetHeader parts = 2;
}

message PartSetHeader {
	uint64 total = 1;
	bytes hash = 2;
}

message Validator {
            bytes             pubKey      = 1;
            uint64            power       = 2;
}
  • Add support for Query to Counter app

IMPROVEMENT:

  • Don't exit the tmsp-cli console on bad args

BUG FIXES:

  • Fix parsing in the Counter app to handle invalid transactions

0.2.1 (September 12, 2016)

IMPROVEMENTS

  • Better error handling in console

0.2.0 (July 23, 2016)

BREAKING CHANGES:

  • Use oneof types in protobuf

FEATURES:

  • GRPC support

PreHistory

Mar 26h, 2016
  • Introduce BeginBlock
Mar 6th, 2016
  • Added InitChain, EndBlock
Feb 14th, 2016
  • s/GetHash/Commit/g
  • Document Protobuf request/response fields
Jan 23th, 2016
  • Added CheckTx/Query ABCI message types
  • Added Result/Log fields to DeliverTx/CheckTx/SetOption
  • Removed Listener messages
  • Removed Code from ResponseSetOption and ResponseGetHash
  • Made examples BigEndian
Jan 12th, 2016
  • Added "RetCodeBadNonce = 0x06" return code
Jan 8th, 2016
  • Tendermint/ABCI now comes to consensus on the order first before DeliverTx.