CHANGELOG.md

Versions

1.4.2-beta1

Added:

1. error handling for GetCommitteeMemberIndex to avoid crash
2. discard the message with different epoch id
3. error handling for exception during proposal validation that affects future proposals

Updated:

1. set max message size to 2M
2. fixed audit issues
3. onbeat timeout with QCHigh+1
4. print peer name with refer to candidate list
5. clean up log for better readability
6. merge 8670 port with 8671
7. inbound/outbound ratio control
8. avoid duplicate IP when accepting p2p peers

1.4.1-beta7

Updated:

1. fixes for committee nonce

1.4.1-beta6

1.4.1-beta2

Added:

1. prevent negative account balance (otherwise the node will panic)
2. prevent proposing an invalid block(height <= qcHeight)
3. prevent out-of-bound problem
4. prevent state hash mismatch due to gob encode

Updated:

1. set block magic to 0x76010401
2. add support for late joiner of committee

1.4.1-beta1

Added:

1. add magic to block in order to prevent syncing across versions
2. log output for members in/out of committee in notary msg
3. init the gob encoder to predefine the type id
4. group newCommittee msg by {height,round,epoch} to prevent msg hash mismatch

Updated:

1. drops the zero signer tx in txpool
2. keep original sender during msg relay
3. removed poa folder

1.4.0-beta3

Updated:

1. merged --preset with --network

Deleted:

1. poa source
2. solo mode

1.4.0-beta2

Updated:

1. added --preset flag

1.4.0-beta1

Breaking change

Added:

1. relay message for announce and notary during committee establishment
2. slashing feature: injail and statistics
3. auction bid
4. distributor list for delegates
5. use LRU to avoid message duplication
6. use signature aggregator to collect signatures in order to avoid duplication and detect double sign

Updated:

1. permanent BLS key, no key swapping during committee establishment
2. protocol change: no voteForNotary any more
3. tidy up log print outs

1.3.3-beta11

Added:

1. auto regenerate consensus.key if read file fails

1.3.3-beta10

Added:

1. clean up relay info during pacemaker start
2. unified the proposal handling for both proposers and validators
3. return txs back to txpool if proposal is invalidated
4. merge round udate with timer reset, new implementation of timeout mechanism

1.3.3-beta9

Updated:

1. apply the best qc immediately when updating qc candidate

1.3.3-beta8

Updated:

1. filter delegates

1.3.3-beta7

Updated:

1. Calculate delegate with 300 MTRG threshold in staking module

1.3.3-beta6

Added:

1. dynamic committee options --committee-min-size, --committee-max-size and --delegates-max-size
2. bootstrap options --init-configured-delegates and --epoch-mblock-count
3. require the candidates to have at least 300 MTRG total votes to be considered as delegates

1.3.3-beta5

Added:

1. sort the delegate list with descending voting power
2. select the first n delegates to be committee members (n being committee size)

1.3.3-beta3

Added:

1. sync mechanism for blocks with height larger than current best block
2. tailing newline in public.key file
3. bootstrap options for dynamic committee size
4. add protection in OnBeat to prevent beat on invalid height

1.3.3-beta2

Updated:

1. fix the bug of proposal query
2. fix the bug of peers of committee leader messages

1.3.3-beta1

Added:

1. range query for missing proposals

Updated:

2. before the new qc is populated by proposals, dont start the timer for next round

1.3.2

Added:

1. add state sync at receiving new view timeout
2. more readable log for committee establishment

Updated:

1. Typos for wallet API
2. display members who chould not join the committee in /node/consensus/committee API

1.3.1-beta11

1.3.1-beta10

Added:

1. forward missing proposals to peers when receive new view message with a lower expected height

1.3.1-beta10

Added:

1. update curEpoch after processing blocks, so curEpoch will be up to date

1.3.1-beta9

Added:

1. Update curEpoch with bestQC before send out NewCommittee message
2. Update curEpoch when receive NewCommittee message

1.3.1-beta8

Added:

1. start pacemaker even if there are not enough vote for notary

Updated:

1. fixed the missing committee info bug
2. added committee message log

1.3.1-beta7

Added:

1. Send redundancy proposals to protect from network partition

1.3.1-beta6

Updated:

1. further updated log output

1.3.1-beta5

Added:

1. blockID check in BlockMatchQC
2. peerName in the log together with send and receive message
3. check the height before timeout onbeat to protect from the potential fork

Updated:

1. fix for the address mismatch for delegates and validators
2. simplified the log for better readability

1.3.1-beta4

Added:

1. name field for delegates and validators
2. BlockMatchQC for PMNewView in order to protect from unexpected out-of-sequence arrival of PMNewView and PMProposal

Removed:

1. enforced round number for proposal

1.3.1-beta3

Added:

1. enforce epochID, anything without different epochID will be discarded
2. shorten the log for bestQC broadcast
3. update docker build script
4. ignore PMProposal with expired round

1.3.1-beta2

Added:

1. communication magic based on version and discover topic
2. reject communication with mismatch magic

Removed:

1. set magic purely with discover topic

1.3.1-beta1

Added:

1. ignore PMNewView with expired round
2. ignore PMVote with expired round

1.3.0

BREAKING CHANGE

Added:

1. automatically set magic with --disco-topic flag
2. enforce magic with all rpc/consensus/pacemaker traffic, ignore all the messages with different magic param

1.2.1

Added:

1. prometheus metrics for monitoring
2. API for staking
3. sync bestQC with gossip messages

Fixed:

1. pacemaker multiple stop crash
2. fake "fork happened"
3. race condition for accessing validator set
4. revert handling for pacemaker, remove precommited blocks from db
5. waiting for pacemaker to stop

1.2.0

Added:

1. staking operations: candidate, delegate, bound
2. better handling for pending proposals
3. proposal relay

1.1.3

draft version