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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The changelog format is based on Keep a Changelog.

0.7.0.1 - 02-September-2019

Added

  • T1003 - TrustedHosts filter for diagnostic packet handlers
  • prohibition of zero-based keys and derived addresses
  • delegated harvester unlocking (via special encrypted message directed to node owner)
  • dynamic rental fees

Changed

  • naming review changes:
    • T1002 - catbuffer (models, validators, etc)
    • T1007 - mongo naming review changes
    • T1008 - config variable naming
  • use donna ed25519 implementation, use batched signature verification
  • T1013 - use non-reversed private keys in SIGNATURE_SCHEME_NIS1 - this change will require private keys used in catapult to be un-reversed, when switching from NIS1
  • generate nemesis block statement
  • turn coresystem into plugin

Fixed

  • bug in harvesting ut facade factory

0.6.0.1 - 26-July-2019

Added

  • Restriction mosaic plugin
  • Metadata plugin
  • Outgoing address account restrictions

Changed

  • Prevent creation of secret locks that violate restrictions at creation time
  • Add receipt when namespace transitions from active to locked
  • Allow configurable namespace depth and min namespace duration
  • Update AddressValidator to always check network byte

Fixed

  • Bug in namespace lifetime grace period handling
  • Do not delete deactivated mosaics from state hash
  • Apply fee surplus to activity bucket total fees paid in harvester
  • Synchronize FileTransactionStatusStorage::flush to avoid race condition

0.5.0.1 - 28-June-2019

Added

  • PoS+ consensus mechanism, see #26 for details

Changed

  • Breaking, all transaction versions are now 1
  • Rename property transaction/plugin to restriction account
  • Renumber validation result codes
  • Add cmake component groups

Fixed

  • Deadlock in broker process when small number of threads in thread pool

Removed

  • Mongo mapping functions from model to dbmodel

0.4.0.1 - 31-May-2019

Added

  • New catapult.broker process that pushes changes into MongoDB and and ZMQ.
  • New catapult.recovery process that repairs local state after ungraceful termination.
  • catapult.server produces file-backed messages that are consumed by catapult.broker.
  • Inflation support via new config-inflation.properties.
  • Implementation of harvest fee sharing and beneficiary specification.

Changed

  • Prevent transactions from being replayed on different networks by prepending the network generation hash to transaction data prior to signing and verifying.
  • Cosignatories must opt-in before being added to a multisig account.
  • Allow use of same secret with different recipients by adding Recipient to SecretLockTransaction.
  • HashLockTransaction Mosaic supports aliases to to the currency mosaic.
  • Allow aggregate bonded transaction lifetime to be configured independently of other transactions.

Fixed

  • Bugs in rollback causing potential fork.
  • Bugs in state hash calculation causing potential fork.
  • Bugs in receipts hash calculation causing potential fork.

Removed

  • Mosaic levy references.

0.3.0.2 - 27-Feb-2019

Changed

  • Upgrade boost from 1.64.0 to 1.69.0 and related changes around asio usage.
  • Shift from c++14 to c++17.
  • Optimized harvester performance.

Fixed

  • Fix harvester crash, CacheHeightView was not thread safe.

0.3.0.1 - 08-Feb-2019

Added

  • Receipts record any state-dependent change not observable from the block header or transaction data. The block header stores the root hash of all the receipts linked to the block.
  • You can now attach namespaces and subnamespaces to addresses or mosaics using the AliasTransaction. A namespace can only be the alias of one account or mosaic at a time.
  • Remote harvesting has been enabled. Remote harvesting enables an account to use a proxy private key that can be shared with a node securely to calculate new blocks.
  • The base mosaic for currency is now configurable. This means other mosaic different than xem can be defined in private networks.
  • Properties FeeMultiplier and BeneficiaryPublicKey were added to the block header.
  • Transaction fee property was renamed to MaxFee.
  • Dynamic fee handling - Transactions specify max fee and blocks set fee multiplier, which determines actual fee paid.
  • Node reputation handling - When interacting with other nodes, each node will gather data, which will influence future partner node selection probability.

Changed

  • Mosaics are no longer tied to namespaces. This means a mosaic is no longer identified by the namespace. Instead, the identifier is a random uint64.
  • Mosaics can be set to not expire. This means there is no need to renew them. However, namespaces have to be renewed after a given count of blocks.
  • MosaicDefinitionTransaction comes with an additional 32-bit field called nonce. The nonce is a random value used to generate the mosaic ID.
  • SecretLockTransaction now supports Op_Sha3_256, Op_Keccak_256, Op_Hash_160, Op_Hash_256 hash algorithms.

0.2.0.2 - 02-Nov-2018

Added

  • Accounts can be configured to receive transactions only from an allowed list of addresses. Similarly, an account can specify a list of addresses that it doesn’t want to receive transactions from. The same behavior can be applied to allow or block transactions containing a given mosaic id or only allowing sending certain transactions by type.
  • Block header now stores the state root hash. Light clients will therefore be able to verify the state in a certain block rapidly.
  • Nodes can store chain state in a RocksDB when configured. This is useful for networks with a large number of accounts, as it demands less memory from network nodes.

Changed

  • Lock plugin has been divided into two (lock hash and lock secret).

Fixed

  • Minor crash and bug fixes detected during the Catapult Developer Preview.

0.1.0.1 - 14-May-2018

Added

  • Initial code release.