DCore update 1.4.2 (not mandatory)

This is a maintenance release for DCore 1.4.x series, targeting memory management improvements and fixes in daemon.

[IMPROVED] DCore and API

• Daemon - uses OpenSSL 1.1 on MacOS
• Daemon - accepts track-account option also for operation history and message objects
• Daemon - optimised storing of recent transaction objects
• Database API - removed useless text field from response of get_message_objects and get_messages

[DEPRECATED] DCore and API

• Daemon - avoid private-key configuration option in favor of miner-private-key
• Crypto API - use wif_to_public_key instead of get_public_key
• Database API - use get_configuration instead of get_config
• Database API - use list_seeders_by_price instead of list_publishers_by_price
• Database API - avoid using set_subscribe_callback and cancel_all_subscriptions
• Wallet API - use transfer instead of transfer2

[FIXED] DCore and API

• Daemon - correctly update message cache after block broadcast
• Daemon - corrected behaviour of genesis-timestamp command line option

[FIXED] GUI wallet

• Fixed crash when GUI wallet is closed before it has been unlocked

Note for Linux binaries: follow the instructions to install DCore on supported platforms (Ubuntu, Debian, Fedora and CentOS)

Note for Mac binaries: follow the instructions to install DCore on MacOS Mojave

Note for Windows binaries: follow the instructions to install DCore on Windows

DCore update 1.4.1 (not mandatory)

This is a maintenance release for DCore 1.4.x series, targeting improvements and fixes in Database/Messaging/Wallet API, including reworked error handling (for details please see DCore Open API Specification).

[NEW] DCore and API

• Database API - added get_account_statistics which returns list of account statistics objects for given IDs
• Database API - added get_asset_dynamic_data which returns list of asset dynamic data objects for given IDs
• Database API - added get_non_fungible_token_summary which returns list of NFT types (including count of data tokens) for given account
• Messaging API - added get_messages which returns list of message objects for given IDs

[NEW] CLI wallet

• Added --ipfs-api command line argument to specify the custom IPFS service address (127.0.0.1:5001 by default)

[IMPROVED] DCore and API

• Database API - extended get_transaction_by_id to return also transaction operation results
• Wallet API - extended get_transaction_by_id to return also transaction operation results
• Wallet API - submit_content and submit_content_async checks if IPFS service is available
• Wallet API - lock and unlock do not assert when wallet is already locked/unlocked
• Daemon - allowed DNS names in ipfs-api, p2p-endpoint, rpc-endpoint, rpc-http-endpoint and rpc-tls-endpoint configuration options
• Daemon - validates checkpoint configuration setting on startup and stops if there is any problem
• Daemon - denied TLS 1.0/1.1 for RPC connections

[DEPRECATED] DCore and API

• Daemon - avoid private-key configuration option in favor of miner-private-key
• Crypto API - use wif_to_public_key instead of get_public_key
• Database API - use get_configuration instead of get_config
• Database API - use list_seeders_by_price instead of list_publishers_by_price
• Wallet API - use transfer instead of transfer2

[FIXED] DCore and API

• Daemon - fixed crash when approving transfer proposal (MacOS only)
• Daemon - fixed handling of file path containing non ASCII characters (Windows only)
• Daemon - fixed missing message objects after blockchain replay

Note for Linux binaries: follow the instructions to install DCore on supported platforms (Ubuntu, Debian, Fedora and CentOS)

Note for Mac binaries: follow the instructions to install DCore on MacOS High Sierra and Mojave

Note for Windows binaries: follow the instructions to install DCore on Windows

DCore update 1.4.0

This is a mandatory DCore release planned to be applied on Jul 11, 2019, 08:00 GMT. It brings several new features and enhancements, including

• full support for Non Fungible Tokens
• complete DCore Open API Specification

[NEW] DCore and API

• Crypto API - added wif_to_public_key to convert wallet format key to public key
• Database API - added about which returns node's technical information
• Database API - added get_configuration which returns compile-time constants
• Database API - added get_blocks and get_block_headers to instantly retrieve a list of blocks/headers
• Database API - new Non Fungible Tokens group containing functions to query information about registered tokens
  • get_non_fungible_token_count - get the total number of non fungible tokens registered on the blockchain
  • get_non_fungible_tokens - get a list of non fungible tokens by ID
  • get_non_fungible_tokens_by_symbols - get a list of non fungible tokens by symbol
  • list_non_fungible_tokens - get a list of non fungible tokens alphabetically by symbol name
  • get_non_fungible_token_data_count - get the total number of non fungible token data objects issued on the blockchain
  • get_non_fungible_token_data - get a list of non fungible token data by ID
  • list_non_fungible_token_data - get non fungible token data by registered token ID
  • get_non_fungible_token_balances - get account balances in various non fungible tokens
  • search_non_fungible_token_history - get non fungible token data transfer history
• Wallet API - new Non Fungible Tokens group containing functions to create, update, issue, transfer and query information about registered tokens
  • create_non_fungible_token - create a new non fungible token definition
  • update_non_fungible_token - update the non fungible token definition
  • issue_non_fungible_token - issue new instance of a non fungible token
  • transfer_non_fungible_token_data - transfer ownership of token
  • burn_non_fungible_token_data - burn (destroy) the token
  • update_non_fungible_token_data - update data of token
  • list_non_fungible_tokens - list all non fungible tokens registered on the blockchain
  • get_non_fungible_token - get information about the given non fungible token
  • list_non_fungible_token_data - get non fungible token instances by registered token symbol
  • get_non_fungible_token_balances - get account balances in various non fungible tokens
  • search_non_fungible_token_history - get non fungible token data transfer history
• Daemon - added new operations for Non Fungible Tokens
  • 41 - create new non fungible token definition
  • 42 - update the existing non fungible token definition
  • 43 - issue new non fungible token instance
  • 44 - transfer ownership of non fungible token instance
  • 45 - update data of non fungible token instance
• Daemon - the former virtual operation IDs are shifted by 5 due the new non fungible token operations
• Monitoring API - added transactions_received and transactions_queued_to_broadcast counters
• Windows service - daemon has got --install-win-service and --remove-win-service command line arguments to register/unregister itself as Windows service

[NEW] CLI wallet

• Added --packages-path command line argument to specify the directory for storing submitted packages

[IMPROVED] DCore and API

• Daemon - allowed to change the expiration date for CDN content
• Daemon - added seeder plugin arguments to config.ini file
• Daemon - added message severity indicator to file and console log
• Database API - added block and transaction ids, signing key and miner reward to get_block result
• History API - search_account_balance_history returns also transaction ID and timestamp
• Wallet API - search_account_balance_history and get_account_balance_for_transaction returns also transaction ID and timestamp
• Wallet API - adjusted hardcoded limit (from 10 to 10 000) for co-authors in submit_content and submit_content_async
• Wallet API - added transaction id to result of all methods returning signed transaction

[DEPRECATED] DCore and API

• Daemon - avoid private-key configuration option in favor of miner-private-key
• Crypto API - use wif_to_public_key instead of get_public_key
• Database API - use get_configuration instead of get_config
• Database API - use list_seeders_by_price instead of list_publishers_by_price
• Wallet API - use transfer instead of transfer2

[FIXED] DCore and API

• Daemon - fixed rewriting of log file on restart
• Daemon - fixed creation of db_version file during initial synchronization
• Daemon - fixed free space calculation on seeder startup
• Daemon - fixed resource leak on content submit
• Daemon - fixed hangup on websocket RPC shut down
• Daemon - fixed region price update in submit content
• History API - fixed start offset misbehaviour in search_account_balance_history
• History API - get_account_history failed when stop argument is zero
• Wallet API - submit_content_async failed to upload package to seeder node
• Wallet API - get_message_objects, get_messages and get_sent_messages failed to search messages
• Messaging API - get_message_objects failed to search messages

[FIXED] CLI wallet

• default server address stored in wallet file was ignored
• fixed background handling of submit content async task

Note for Linux binaries: follow the instructions to install DCore on supported platforms (Ubuntu, Debian, Fedora and CentOS)

Note for Mac binaries: follow the instructions to install DCore on MacOS High Sierra and Mojave

Note for Windows binaries: follow the instructions to install DCore on Windows

DCore update 1.3.5 (not mandatory)

This is a maintenance release for DCore 1.3.x series.

[FIXED] DCore

Daemon - fixed validation of recipient in transfer operation

DCore update 1.3.4 (not mandatory)

This is a maintenance release for DCore 1.3.x series.

Note for Linux binaries: DCore distribution files requires libpbc package to be installed. It can be downloaded from assets in PBC project.

[FIXED] DCore

• Daemon - fixed computation of miner-account's active authorities

DCore update 1.3.3 (not mandatory)

This is a maintenance release for DCore 1.3.x series, targeting enhancement and simplification of build process on every supported platform and some improvements and fixes in daemon and wallet API:

• added binary distribution files for Ubuntu, Debian or Fedora systems
• added support for building DCore docker images - see Docker Hub
• simplified build process on Windows platform using the vcpkg package manager
• enriched result from Wallet API list_account_balances and from-command-file functions

Note for Linux binaries: DCore distribution files (deb and rpm) require libpbc package to be installed. It can be downloaded from assets in PBC project.

[IMPROVED] DCore and API

• Daemon - validates configuration settings on startup and stops if there is any problem
• Daemon - added option to specify API set by name in RPC request (e.g. {"id":1,"method":"call","params":["database_api","get_block",[123456]]})
• Wallet API - list_account_balances returns also human readable amount (e.g. { "amount": "8333378377", "asset_id": "1.3.0", "pretty_amount": "83.33378377 DCT" })
• Wallet API - from-command-file returns aggregated formatted result

[FIXED] DCore and API

• Daemon - seeding plugin was downloading expired packages
• Daemon - fixed possibility to broadcast transaction for non existing receiver
• Daemon - fully evaluate every operation before it is applied to transaction
• Daemon and Wallet Messaging API - get_message_object returned empty array if no account was specified
• Wallet API - send_messasge and send_unencrypted_message allowed to send the message multiple times to the same recipient

[FIXED] GUI wallet

• error messages were not logged to file

DCore update 1.3.2 (not mandatory)

Minimum Boost version required is 1.65.1

[NEW] DCore and API

• Daemon Database API - added list_operations, get_asset_count and get_transaction_id
• Crypto API - added get_public_key, wif_to_private_key, sign_transaction, encrypt_message and decrypt_message
• Login API - added monitoring to access new API group for providing statistical information from application about calls, variables, instances of classes, errors etc.
• Monitoring API - new group containing get_counters and reset_counters - maintaining internal node event statistics
• Wallet API - added derive_private_key, get_public_key, register_account_with_keys, register_multisig_account, update_account_keys, update_account_keys_to_multisig, import_single_key, list_operations and from_command_file

[IMPROVED] DCore and API

• Daemon Database API - get_miner returns current vote ranking of specific miner
• Daemon Database API - generate_content_keys and submit_content_async returns also quorum
• Wallet API - import_key also derives and imports el_gamal keys for active and memo key when those keys are derived from owner key

[IMPROVED] CLI wallet

• hide the password input for set_password and unlock commands
• add --generate-keys command line option to generate brain, wif private and public keys
• add --from-command-file command line option to run a sequence of calls loaded from a text file

[IMPROVED] GUI wallet

• support for User Issued Assets in account balance and transfer funds
• add command line options to match those in decentd and cli_wallet

[FIXED] DCore and API

• Start of more DECENT processes caused DB corruption
• Daemon Database API - get_required_fees ignored asset ID parameter
• Daemon Database API - get_time_to_maint_by_block_time - returned every time 24h to next maintenance
• Daemon Database API - verify_account_authority always returned an exception
• Daemon History API - get_account_history and get_relative_account_history fixed behaviour
• Daemon miner plugin - required-participation option had wrong type (bool)
• Wallet API - search_account_history did not decrypt memo message for sender account

[FIXED] CLI wallet

• web wallet JSON file failed to load
• wrong chain ID was shown when started for first time
• get_help command returned with wrong format

[FIXED] GUI wallet

• password was echoed to console
• failed to enter decimal point for non English locale in transfer funds
• app occasionally crashed when resync/replay blockchain

and a few more small fixes here and there...

DCore update 1.3.1 (not mandatory)

Release notes

[FIXED]

• Wallet file issue for new wallets

DCore update 1.3.0

Release notes

[NEW]

• Added missing operations to transaction history for more detailed balance overview
• Added new API function for balance changes
  • New history API and wallet API
    • search_account_balance_history (also with advanced search using various parameters)
    • get_account_balance_for_transaction
• Added unencrypted/public messaging
  • Changed wallet API
    • send_message (added parameter bool broadcast)
  • New wallet API
    • send_unencrypted_message
• Added exit/quit command to cli_wallet
• Added possibility to run the DCore daemon as a system service/daemon on linux
  • New command line argument
    • --daemon
  • System directories used
  • logs dir = '/var/log/decentd/'
  • data_dir = '/var/lib/decentd/'
  • temp_dir = '/var/tmp/decentd/'
• Added the possibility to change non-fixed to fixed MAX_SUPPLY for UIA
• Added the possibility to change precision for UIA (only for not issued ones)
• Added storage for every transaction ID (new plugin - default off)
• Added search function for transaction by ID
  • New settings
    • --transaction-id-history
  • New database API and wallet API
    • get_transaction_by_id
• Added setting for CA certificate for WSS on nodes
  • New settings
    • server-cert-file
    • server-cert-key-file
    • server-cert-chain-file
  • Changed setting
    • server-pem-password -> server-cert-password
  • Removed setting
    • server-pem-file
• Added to HTTP header to DCore daemon
  • New setting
    • Access-Control-Allow-Origin (default : *)
• Added daemon check for IPFS version

[IMPROVED]

• Added support for all public DCore daemon API sets over HTTP w/o session
  • Default open API sets IDs
    • 0 database_api
    • 1 login_api
    • 2 network_broadcast_api
    • 3 history_api
    • 4 crypto_api
    • 5 messaging_api
• Added support for OpenSSL 1.1 and newer versions
• Added support for CryptoPP ver 7.0.0 and higher
• DCore daemon optimized for higher transactions throughput (TPS)
• Desktop app has new logo and minor fixes
• Added command to print DCore daemon version
  • New command line argument
    • decentd -v or decentd --version

[FIXED]

• Transfer to non-existing content
• Several other bugs

Planned to be applied on September 13, 2018, 08:00 GMT.

DCore update 1.2.2 (not mandatory)

[IMPROVED] DCore and API

• search_miner_voting in wallet API updated (can be called without account name specified)
• search_miner_voting added to database API
• More configurable logging in DCore
• Initial seednodes list updated

[IMPROVED] Desktop wallet

• Password view button to Desktop wallet