* Added sync log to streamer.
* Fixed ledger closing attempt while syncing.
* Added diagnostic contract.
* Reset to stage 0 on unreliable votes.
* Reduced peer msg age threshold.
* Added health tracking.
* Weakly-connected detection improvement.
* Increased version 0.5.1.
* Improved client lib server version check.
* Added health logging support to text client.
* Added weakly connected status in status response.
* Increased max peers limits when serializing.
* Local docker cluster manual ip.
* Updated vultr script vm region order.
* Sync status reporting improvement.
* Added milliseconds to logging.
* Added node's current status information tracker.
* Used the status tracker for responding to status messages.
* Used change-event notifications to broadcast UNL change event.
- Introduced input hash which can later be used to query the ledger.
- Returned input hash and ledger info at input submission.
- Updated js client lib to support input hash.
- Updated consensus proposal candidate expiration rules.
- Added new config for max input ledger offset inside contract section.
- Updated implementation of getting and updating patch config inside node and c contracts.
- Skip inputs if max ledger offset exceeds, when handling user inputs and nup messages.
- The ledgers are stored in a sqlite database in ledger file system.
- Ledgers are organized in shards inside primary folder.
- Raw inputs are saved as shards inside blob folder. No input files are created if neither inputs nor outputs are available.
- Both last primary shard hash and last blob shard hashes are subjected to consensus and necessary sync operations are performed if out of sync.
- Hpfs sync support setting single sync targets from both ends of the list. (Targets set from front are prioritized).
- Contract and ledger syncs and serving are performed independently.
- Creating two separate hpfs folders for contract and ledger file systems (contract_fs and ledger_fs).
- Added separate mounts for contract and ledger file systems.
- Added separate instances for contract serving and ledger serving.
- Added separate instances for contract syncing and ledger syncing.
- Modified cluster creating script to accompany folder name changes in contract folder.
* Refactoring hpfs code to a class so it can support multiple mounts.
* Refactoring hpfs serve into a class to support mulitiple mount serving.
* Refactoring hpfs sync into class to support multiple instances.
* Code improvements in hpfs_sync.
* Taking a sync target list for hpfs syncing target set.
Introduced json and bson messages for unl list announcement.
When the unl set is modified send a json or bson unl list message (according to the user protocol) to all the connected users.
* Terminology changes from state to hpfs.
* Syncing hpfs parents in priority order.
* Changing how the hash is calculate in hpfs response validate check.
* Adding pubkey in binary to comm sessions and is_unl flag to peer sessions.
* Removing display_name overloads and populating pubkey in user session.
* Changing peer session lookup key from uniqueid to pubkey (binary).
* Introduced self comm channel instead of loopback websocket.
* Introduced comm_session and comm_server inheritance hierarchy.
* Separated peer session and user session classes.
