Changelog

v1.0.0

Jun 29, 2021

Changed from the consensus way which the entire validator agrees to a part of the validators is elected as a voter to consensus. The selected validator is called voter
The voter to be elected has been changed so that it can be determined in the n-1 block from the one determined by the n-2 block.
A BLS signature library was added. The ability to use the BLS signature library will be added in the next version.
When distributing rewards in Cosmos-SDK, some ABCIs have been modified to distribute the voting power of elected voters.

BREAKING CHANGES

State
- [state] #92 Add VoterParams to Genesis state
- [state] #100 Remove NextVoters from state
Go API
- [types] #83 Add StakingPower to Validator
- [consensus] #83 Change calculation of VotingPower
Blockchain Protocol
- [state] #7 Add round, proof in block
P2P Protocol
- [abci] #100 Add voters_hash field, which is needed for verification of a block header
- [abci] #102 Add voting power in VoterInfo of abci

FEATURES

[types] #40 Add vrf interface and add a function generating vrf proof to PrivValidator
[lib/rand] #43 Implementation of selection algorithms using categorical distributions
[state] #44 Add genesis seed for electing proposer of first block
[types] #48 Replace tendermint's PoS to VRF-based Random Sampling
[rpc] #78 Add Voters rpc
[consensus] #83 Selection voters using random sampling without replacement
[consensus] #92 Apply calculation of voter count
[BLS] #81 Modify to generate at the same time as Ed25519 key generation
[lite] #100 Lite calls Genesis() rpc when it starts up

BUG FIXES

[circleCI] #76 Fix contract test job of circleCI

v0.0.0

Mar 15, 2021

This release rewrite to ostracon.

PreHistory

Initial ostracon is based on the tendermint v0.34.8

[tendermint v0.34.8] - 2021-02-25

(tendermint) v0.34.8.

Please refer CHANGELOG_OF_TENDERMINT_v0.34.8