V20.0RC1

Change Log

Release V20.0RC1 (2019-10-24)

Full Changelog

Major Changes:

• RPC publish optional work_watch flag to add to work_watcher [#2168]
• Adds RocksDB support [#2197]
• TOML config file support and migration [#2221]
• Support epoch 2 [#2310]
• Add ability to start pow server as child process [#2331]
• Active elections loop tuning [#2306]

Semantic Changes:

• Classify traffic stats correctly [#2309]
• Verify pubkey against special keys in wallet [#2299]
• Fixes account_history RPC to include receive blocks when filtering accounts. [#2244]
• Use node_ prefix for node ID [#2191]
• Assert for disabled bootstrap modes [#2163]
• Remove querying pending confirmation height in various operations [#2156]
• Accept multiplier in work_generate and work_validate [#2151]

Implemented enhancements:

• Confirm frontiers for bootstrap with multiple failures [#2349]
• Non-blocking UPnP discovery [#2346]
• Attempt to fetch account from block hash in RPC work_generate [#2339]
• Unchecked cleanup tuning [#2336]
• Restart dropped elections for unconfirmed blocks with higher PoW [#2335]
• Basic confirmation request loop enhancements [#2327]
• CLI command to output the total number of (un)opened account versions [#2323]
• Periodic rep crawler weights update [#2319]
• Add lazy bootstrap possible links and accounts [#2315]
• Allow node to work without work generation [#2312]
• RPC epoch_upgrade [#2304]
• Update broadcast_confirm_req_batch to handle PoW priority [#2303]
• Strong types for the various bit unions [#2300]
• Stacktrace with backtrace to display files and lines [#2298]
• Lazy bootstrap cleanup & basic improvements [#2292]
• Some minor cleanup [#2291]
• Add block count cache [#2290]
• Replace account_info::rep_block with representative account [#2283]
• Enhance block processor filter [#2282]
• Handle work generation failure and cancel [#2281]
• Split bootstrap source files [#2274]
• Disable unchecked cleanup if node is not synchronized [#2272]
• Add log when a block difficulty is updated in active transactions [#2270]
• CLI --debug_validate_blocks enhancement [#2269]
• Refactoring epochs [#2268]
• Track length of time mutexes are held for [#2267]
• Add config option to conditionally enable RocksDB backend [#2266]
• Prevent possible from_multiplier () function overflow [#2265]
• Prevent adjusted difficulty overflow for extremly high or low difficulty [#2260]
• Prevent dropping of unchecked on restart if node is not synchronized [#2257]
• Distributed work refactor [#2255]
• Enhancements to OpenCL work handling [#2247]
• Wrap boost::asio::async_write to ensure lifetime of buffers [#2240]
• Start frontiers confirmation after initial bootstrap [#2236]
• Enforce upper case for hashes/signatures string output [#2235]
• Fire callback & add to history after confirmation height is set [#2233]
• Allow Cmake AVX2 builds for Windows [#2232]
• Reduce time holding read transaction in vote processor [#2231]
• Distibuted work fixes [#2230]
• Watch blocks separately in work watcher [#2228]
• Configurable work watcher period [#2222]
• Improve throttled received block for bootstrap [#2220]
• Use max config difficulty internally [#2218]
• Throttled received block for bootstrap [#2216]
• Add counter in stats for number of incoming blocks dropped [#2215]
• Config option for single line logging records [#2214]
• Beta reset with new genesis and lower work threshold [#2207]
• Travis/artifacts to s3 [#2204]
• Provide optional automatic ledger/wallet backups before an upgrade [#2198]
• Process wallet blocks outside of block processor queue [#2196]
• In http callback, don't log any http responses indicating success as errors [#2193]
• Callback response misleading [#2192]
• Add frontiers confirmation modes [#2175]
• Use confirm_req by hash + root for upgraded peers [#2164]
• Assert for disabled bootstrap modes [#2163]
• Cache recently arrived votes [#2159]
• Improve votes caching for same account & increase max cache size [#2155]
• Prioritize node wallet frontiers during background confirmations [#2154]
• Accept multiplier in work_generate and work_validate [#2151]
• Improve docker build speed on multi-core machines [#2148]
• Improve stacktrace output during release_assert [#2142]
• Static type safety for the union types [#2117]
• Provide optional automatic ledger/wallet backups before an upgrade [#1690]
• No write transactions on I/O threads [#1264]
• Logging output can spread multiple lines, which makes it difficult to export [#806]
• Node crashes with no error message if the database can't be opened [#761]
• Lazy bootstrap retry limit [#2362]

Fixed bugs:

• move min bootstrap and traffic to v16 [#2363]
• Docker USER support [#2361]
• ASAN leak when exiting node [#2360]
• Improve sample configuration file [#2359]
  ...

Version 19.0

Change Log

Release V19.0 (2019-07-11)

Full Changelog

Major Changes:

• RPC server is moved to a new process [#1874]
• Trending active_transactions difficulty for an average [#1858]
• Add confirmation height [#1770]
• Add support for realtime network traffic over the bootstrap TCP port [#1548]

Implemented enhancements:

• Move confirm_frontiers higher up request loop [#2141]
• Cleanup inactive channels from rep crawler [#2132]
• Improve broadcast_confirm_req_batch delays and max size [#2130]
• More aggressive setting confirmation height of frontiers during low tps [#2126]
• Send confirm_req each request_confirm loop [#2125]
• Always notify on active difficulty updates [#2109]
• Fix intermittent test issue and cleanup unused vars [#2108]
• Improve batching multiple blocks pending confirmation height processing [#2105]
• Add observer stats for confirmations [#2100]
• Use default vote_generator_delay if missing (for RC updates) [#2093]
• Web socket subscription for active difficulty [#2091]
• Bidirectional TCP sockets [#2087]
• Move WebSocket confirmation_type into message [#2079]
• Only pass active confirmations to the http callback [#2078]
• Don't start confirm_frontiers () if elections count > active_elections_size [#2076]
• Use correct index when iterating prioritized frontiers [#2069]
• Add launch flag --disable_udp [#2063]
• Use a convenient global instead of passing use_memory_pools explicitly [#2059]
• Add active container observer [#2058]
• Make announcement_long delay 2 rounds [#2056]
• active_transaction.roots bounding by config instead of confirmation rate [#2051]
• Configurable confirmation history container [#2049]
• Don't escalate confirmed previous/source for elections [#2048]
• Attempt to start TCP connections to known UDP peers [#2045]
• Update broadcast_confirm_req to use confirm_req by hash [#2036]
• Move SYN cookies & response channels to separate classes [#2029]
• Add configurable vote generator delay and bundling test [#2028]
• Use a memory pool to reduce block deserialization heap usage [#2025]
• Factor out network [#2024]
• Increase server timeout to receive TCP header [#2022]
• Capture SIGINT and SIGTERM to clean up sockets [#2018]
• Set minimum difficulty for RPC "work_generate" [#2006]
• Fix off by one error in frontier req server [#1992]
• Bounded active transaction [#1990]
• Prioritize frontiers for background confirmation [#1982]
• Finish up difficulty/multiplier semantics in RPC work_generate and work_validate [#1981]
• Move io_threads to rpc process config node [#1980]
• Add specific rpc process config options [#1977]
• Add severity logging levels, and send errors to syslog/Event Viewer (incl failed rollbacks for confirmed blocks) [#1973]
• Framing support for realtime network messages [#1972]
• Move common UDP/TCP channels functions to transport [#1971]
• Fixing dynamic re-work and trend from elections [#1968]
• Makes sure a write lock can be avoided when launching an inactive_node [#1967]
• Send live network messages over TCP [#1962]
• Backup config files when upgrading [#1959]
• Pass command line arguments (network/data_path) to nano_rpc child process [#1957]
• Simple ledger validation CLI command [#1956]
• Reduce length holding read transaction open for in confirmation height processor [#1954]
• Print info about network and path, when running daemon [#1953]
• Allow long running read transactions to be broken up [#1951]
• Fix our warnings [#1942]
• TSAN suppressions file [#1941]
• Make new random_constants class for not_an_account [#1928]
• Try to fix some version-specific clangformat formatting issues [#1927]
• Activate confirm_req_hashes for beta network [#1926]
• Set defaults for block_sideband [#1922]
• Add more information after a segmentation fault [#1921]
• Replace xxHash with blake2b [#1919]
• Add CLI command for dumping any frontier-unchecked key matches [#1915]
• Cleanup test files on Windows after executing test binary [#1910]
• Immediately stop inactive node active_transactions loop [#1909]
• Websockets - subscribe to votes [#1908]
• Websockets - filtering options [#1907]
• Websockets - check for subscriptions before proceeding [#1906]
• Remove delay exiting node in request processor [#1904]
• Add pulls cache for long bootstraps [#1903]
• Update confirmation heights with new async timing [#1899]
• Delete unused rpc.cpp [#1897]
• Recalculate work from wallet [#1895]
• Port config cleanup, allow running tests alongside beta node [#1891]
• Remove vote generator delay [#1889]
• Add copying operation to block builder [#1886]
• Create new node ID on each launch & support keepalive with preferred ports [#1885]
• Reduce work.eco_pow intermittent failure rate [#1882]
• Update confirmation height in another thread [#1877]
• When clearing confirmation heights set the genesis account to be 1 [#1875]
• RPC server is moved to a new process [#1874]
• Refactor preparation for moving RPC out of process [[#1872](https://github.com/...

V19.0RC6

Change Log

Release V19.0RC6 (2019-07-05)

Full Changelog

Implemented enhancements:

• Cleanup inactive channels from rep crawler [#2132]
• Improve broadcast_confirm_req_batch delays and max size [#2130]
• More aggressive setting confirmation height of frontiers during low tps [#2126]
• Send confirm_req each request_confirm loop [#2125]
• Docker cache [#2121]

Fixed bugs:

• tsan: missing lock in ws active_difficulty unit test [#2129]
• Improve assert in tcp_channels::process_message () [#2127]
• update default limit to (5 * 1024 * 1024) or 5Mb/s [#2119]
• remove else and always flush if over config.json active_elections_size [#2116]
• only log if blocks have been processed and logging enabled [#2115]
• fix windows installer path [#2112]

---

Additional binary releases:

• Official Docker Instructions
• Nano CentOS repo
  • sudo yum-config-manager --add-repo https://repo.nano.org/nanocurrency-beta.repo
  • sudo yum install nanocurrency-beta
  • nano_node-beta installed to bin

---

Hashes and GPG Signature (keys located in source etc/gpg/).

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Below are sha256sum hashes for version 19.0RC5
Signature verification can be done against the signature for argakiig in the source
code repository (etc/gpg/)

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f0fdfc314d07546ad80e2880c286fa5320f5b3dfb97a3ac86d45981bb82a9403 *nano-node-19.0RC6-win64.exe
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V19.0RC5

Change Log

Release V19.0RC5 (2019-06-27)

Full Changelog

Implemented enhancements:

• Fix intermittent test issue and cleanup unused vars [#2108]
• Improve batching multiple blocks pending confirmation height processing [#2105]
• Flag to disable TCP realtime network [#2103]
• Add observer stats for confirmations [#2100]
• Web socket subscription for active difficulty [#2091]
• Add optional cemented count to block_count RPC command [#2089]
• Fix duplicate iterating in conf height processor with self and circular sends [#2088]
• Bidirectional TCP sockets [#2087]
• Don't start confirm_frontiers () if elections count > active_elections_size [#2076]

Fixed bugs:

• Always notify on active difficulty updates [#2109]
• Minor Readme file updates [#2107]
• Fix locking issue and intermittent failure in rpc.active_difficulty [#2102]
• Test bug introduced by #2090 [#2101]
• Add ability to clear stats from Qt wallet [#2099]
• TCP: Don't connect to or log invalid peers [#2097]
• Fix vote_generator loop inconsistency during high load [#2095]
• Formatting issues on master [#2094]
• Use default vote_generator_delay if missing (for RC updates) [#2093]
• Optional include_trend for RPC active_difficulty [#2090]
• Update slow_test [#2086]
• Use node_flags for delay_frontier_confirmation_height_updating [#2085]
• Prevent multiple observer calls for confirmed block [#2082]
• Provide test for WS topic election_stopped and fix bad topic/content [#2081]
• Move WebSocket confirmation_type into message [#2079]
• Only pass active confirmations to the http callback [#2078]
• Use the MDB_NOMEMINIT flag with the ledger db environment [#2077]
• Remove copies of blocks container from network::flood_block_batch [#2075]

---

Additional binary releases:

• Official Docker Instructions
• Nano CentOS repo
  • sudo yum-config-manager --add-repo https://repo.nano.org/nanocurrency-beta.repo
  • sudo yum install nanocurrency-beta
  • nano_node-beta installed to bin

---

Hashes and GPG Signature (keys located in source etc/gpg/).

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Below are sha256sum hashes for version 19.0RC5
Signature verification can be done against the signature for argakiig in the source
code repository (etc/gpg/)

4d66a528afc5b0f16c82222b01659392a49aa954ecee02302134bc904075adb6 *nano-19.0RC5.tar.gz
56b4fe817f9a1556ece4e3b6c55566b86051bdc49a2b6d2ac1106d62d728c214 *nanocurrency-beta-19.0RC5-13.el7.src.rpm
899412416e67da23f08730dac3abaa2bdc1a59a98fb42e41ac5d470a007ad309 *nanocurrency-beta-19.0RC5-13.el7.x86_64.rpm
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V19.0RC4

Change Log

Release V19.0RC4 (2019-06-11)

Full Changelog

Implemented enhancements:

• Use correct index when iterating prioritized frontiers [#2069]
• Add launch flag --disable_udp [#2063]
• Use a convenient global instead of passing use_memory_pools explicitly [#2059]
• Add active container observer [#2058]
• Make announcement_long delay 2 rounds [#2056]
• active_transaction.roots bounding by config instead of confirmation rate [#2051]
• Configurable confirmation history container [#2049]
• Don't escalate confirmed previous/source for elections [#2048]
• Update broadcast_confirm_req to use confirm_req by hash [#2036]
• Move SYN cookies & response channels to separate classes [#2029]
• Add configurable vote generator delay and bundling test [#2028]
• Use a memory pool to reduce block deserialization heap usage [#2025]
• Factor out network [#2024]
• Increase server timeout to receive TCP header [#2022]
• Capture SIGINT and SIGTERM to clean up sockets [#2018]
• Prioritize frontiers for background confirmation [#1982]
• Add more information after a segmentation fault [#1921]

Fixed bugs:

• Fix ASAN issue in ws unit tests [#2074]
• [Valgrind] Increase deadline timer in the rpc.simultaneous_calls test to account for valgrind slowness [[#2073](https://github.com/nanocurrency/
  nano-node/pull/2073)]
• Fix assorted compiler warnings [#2071]
• Factor out online_reps and gap_cache [#2070]
• Disable memory pools when running on Mac [#2067]
• Websocket/extended confirmation support [#2066]
• Consistently send TCP keepalives [#2064]
• Limit socket queue_size [#2062]
• Fix TSAN error with work_watcher [#2061]
• TSAN error for send_node_id_handshake test [#2060]
• Reduce lock time in UDP ongoing keepalive [#2057]
• Check if existing block is already confirmed in active_transactions add [#2055]
• Handle accounts which have the same number of uncemented blocks when prioritizing frontiers [[#2053](https://github.com/nanocurrency/nano-node/
  pull/2053)]
• Ledger tests related to epoch conflicts [#2052]
• Fix deadlock in tests (Continued) [#2050]
• Use a pool allocator for shared_ptrs with blocks, elections and votes [#2047]
• Remove count byte from confirm_req by hash [#2046]
• Remove unused std::expected library [#2044]
• Fix deadlock in tests [#2043]
• Fix initialization order bug in nano::node [#2042]
• Factor out vote processor [#2041]
• Add node_constants half_period [#2040]
• Change gap cache voters to use a vector [#2037]
• Bandwidth limiting [#2035]
• Support for boost 1.70 in load tester [#2034]
• Remove node dependency from secure library [#2033]
• Include ordering fix [#2031]
• Factor out election [#2030]
• Remove unnecessary copies when using lmdb cursors [#2026]
• Sort includes by category using clang-format [#2023]
• Increase tcp_io_timeout for test TSAN/ASAN builds [#2019]
• Bump protocol version [#2017]
• Update stringstream test sink to bounds check the strings [#2016]
• remove sleep from test [#2015]
• Add threshold optional to RPC unopened and ledger [#2014]
• Websockets: prevent re-sub [#2001]
• Print info about network and path, when running daemon [#1953]
• Add blocks_not_found in RPC blocks_info response rather than an error [#1950]

---

Additional binary releases:

• Official Docker Instructions
• Nano CentOS repo
  • sudo yum-config-manager --add-repo https://repo.nano.org/nanocurrency-beta.repo
  • sudo yum install nanocurrency-beta
  • nano_node-beta installed to bin

---

Hashes and GPG Signature (keys located in source etc/gpg/).

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Hash: SHA256

Below are sha256sum hashes for version 19.0RC3
Signature verification can be done against the signature for argakiig in the source
code repository (etc/gpg/)

1f96bbf2fd8b7fbda53517ed73e3b08588b3085c1189abac4bb7dc8849f8216d *nano-19.0RC4.tar.gz
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eeb315c8fdca1aa0edee1f523165d15ee3c12bcc610729c0f1d4ceacac3f0911 *nano-node-19.0.RC4-win64.exe
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V19.0RC3

Change Log

Release V19.0RC3 (2019-05-22)

Full Changelog

Major Changes:

• Add support for realtime network traffic over the bootstrap TCP port [#1548]

Implemented enhancements:

• Fix off by one error in frontier req server [#1992]
• Bounded active transaction [#1990]
• Add severity logging levels, and send errors to syslog/Event Viewer (incl failed rollbacks for confirmed blocks) [#1973]
• Framing support for realtime network messages [#1972]
• Move common UDP/TCP channels functions to transport [#1971]
• Fixing dynamic re-work and trend from elections [#1968]
• Makes sure a write lock can be avoided when launching an inactive_node [#1967]
• Send live network messages over TCP [#1962]
• Backup config files when upgrading [#1959]
• Reduce length holding read transaction open for in confirmation height processor [#1954]
• Replace xxHash with blake2b [#1919]

Fixed bugs:

• Fix TSAN error for the rpc.database_txn_tracker test [#2013]
• active_transactions test cleanup [#2012]
• Update test script [#2011]
• Join threads in socket tests [#2009]
• generate difficulty was passing hash by ref [#2008]
• WebSocket fixes and improvements [#2007]
• Set minimum difficulty for RPC "work_generate" [#2006]
• Rename active_difficulty RPC response [#2005]
• active_transactions.prioritize_chains timing fix [#2004]
• Decrease logging level for "Reserved sender" message [#2003]
• Fix TSAN error with test confirmation_height.conflict_rollback_cemented [#2002]
• Remove debugging assert from socket [#2000]
• use correct namespace to fix literal usage in active_transactions [#1999]
• Fix load tester for mac with boost 1.69 [#1998]
• Fix RPC secure build [#1997]
• Fix test by disabling confirmation, as a result the block wont be con… [#1996]
• Reinstate debug_rpc command [#1995]
• Apply Blake2b AVX2 changes [#1994]
• Clean up json upgrade code/unused variables [#1993]
• Test peer caching on node restart [#1991]
• Rewrite load tester in C++ [#1989]
• Add unnecessary lambda capture to please VS2017 [#1988]
• Show opencl device memory stats [#1987]
• Fix UDP channels insert [#1986]
• Update config path on macos/boost 1.69 [#1985]
• Work multiplier format and RPC work_validate fix for lower difficulties [#1984]
• Fix race when notifying bootstrap initiator listeners [#1983]
• Finish up difficulty/multiplier semantics in RPC work_generate and work_validate [#1981]
• Move io_threads to rpc process config node [#1980]
• Add modify callback to prevent violating boost multiindex invariants [#1979]
• Prevent (optionally) block processor batched writes from being logged by the lmdb tracker [#1978]
• Add specific rpc process config options [#1977]
• Remove unnecessary --debug_validate_ledger CLI option [#1974]
• Version and allow_unsafe upgrade in ipc config [#1970]
• No longer use bin & lib sub-folders in the installers [#1969]
• Fix tests failing after PR#1939 [#1966]
• Stop node when using an incompatible ledger [#1964]
• Fix RPC block_create error getting overridden [#1952]
• LMDB transaction time tracker [#1947]
• Add work check for ledger::process () in Debug mode [#1939]
• TCP socket rewrite with strand and queueing support [#1938]

---

Additional binary releases:

• Official Docker Instructions
• Nano CentOS repo
  • sudo yum-config-manager --add-repo https://repo.nano.org/nanocurrency-beta.repo
  • sudo yum install nanocurrency-beta
  • nano_node-beta installed to bin

---

Hashes and GPG Signature (keys located in source etc/gpg/).

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Below are sha256sum hashes for version 19.0RC3
Signature verification can be done against the signature for argakiig in the source
code repository (etc/gpg/)

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V19.0RC2

Change Log

Release V19.0RC2 (2019-05-06)

Full Changelog

Implemented enhancements:

• Allow long running read transactions to be broken up [#1951]
• Fix our warnings [#1942]
• TSAN suppressions file [#1941]
• Add CLI command for dumping any frontier-unchecked key matches [#1915]

Fixed bugs:

• nano_rpc included in packaging [#1961]
• updating work_watcher::run [#1960]
• Pass command line arguments (network/data_path) to nano_rpc child process [#1957]
• Simple ledger validation CLI command [#1956]
• Add pull request failure to stats [#1955]
• Fix regression introduced by 100-continue [#1949]
• Fix some websocket test issues [#1948]
• Update Dockerfile [#1946]
• Add nano_rpc to Docker [#1945]
• Work value in RPC work_validate response [#1943]
• Improve receivable_processor.send_with_receive test [#1940]
• Set defaults for block_sideband [#1922]
• Not all versions of GCC support -fsanitize-blacklist [#1656]

---

Additional binary releases:

• Official Docker Instructions
• Nano CentOS repo
  • sudo yum-config-manager --add-repo https://repo.nano.org/nanocurrency-beta.repo
  • sudo yum install nanocurrency-beta
  • nano_node-beta installed to bin

---

Hashes and GPG Signature (keys located in source etc/gpg/).

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Below are sha256sum hashes for version 19.0RC2
Signature verification can be done against the signature for argakiig in the source
code repository (etc/gpg/)

a8780c4b3b8dd261c7f6324d08e82c312cb7bf8a865b6a24990186ecd654e780 *nano-19.0RC2.tar.gz
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Version 19.0RC1

Change Log

Release V19.0RC1 (2019-04-27)

Full Changelog

Major Changes:

• Add confirmation height [#1770]
• PoW Client Compute and Resend Work based on network load [#1336]
• Trending active_transactions difficulty for an average [#1858]
• Emit "nano_" prefixed addresses [#1771]
• RPC server is moved to a new process [#1874]
• Websocket support [#1840]

Implemented enhancements:

• Try to fix some version-specific clangformat formatting issues [#1927]
• Activate confirm_req_hashes for beta network [#1926]
• Cleanup test files on Windows after executing test binary [#1910]
• Immediately stop inactive node active_transactions loop [#1909]
• Websockets - subscribe to votes [#1908]
• Websockets - filtering options [#1907]
• Websockets - check for subscriptions before proceeding [#1906]
• Remove delay exiting node in request processor [#1904]
• Add pulls cache for long bootstraps [#1903]
• Update confirmation heights with new async timing [#1899]
• Delete unused rpc.cpp [#1897]
• Recalculate work from wallet [#1895]
• Port config cleanup, allow running tests alongside beta node [#1891]
• Remove vote generator delay [#1889]
• Add copying operation to block builder [#1886]
• Create new node ID on each launch & support keepalive with preferred ports [#1885]
• Reduce work.eco_pow intermittent failure rate [#1882]
• Update confirmation height in another thread [#1877]
• Refactor preparation for moving RPC out of process [#1872]
• Remove ed25519 and lib library circular dependency [#1870]
• Remove circular dependency between secure <-> lib libraries [#1867]
• Various minor coding style updates [#1863]
• Reinstate preconfigured keepalives [#1854]
• clang for travis [#1846]
• Support sending decimals from QT wallet [#1843]
• Allow block_processor variables tuning with launch flags [#1842]
• Add the concept of message channels to the node. [#1837]
• Moving network sizing functions [#1836]
• Separating the concepts of: [#1835]
• Renaming udp_buffer to message_buffer [#1834]
• Removing send_confirm_req functions [#1833]
• Add difficulty limit for RPC "work_generate" in config.json [#1830]
• Clean up and simplify calls to get buffers to messages. [#1829]
• Externally connect to the tcp socket [#1828]
• Move RPC out of node process [#1827]
• Rename republish_x to flood_x to better describe what we're doing. [#1825]
• Remove node_id_version [#1824]
• Remove nano::network::on [#1823]
• RPC account_history add block height and optional reverse [#1822]
• Periodically check for unconfirmed frontiers and start elections [#1821]
• Get account history starting at a block and ending in head [#1820]
• Log wallet lock/unlock [#1817]
• Start elections for all forks of unconfirmed blocks [#1815]
• Output error if lmdb env cannot be opened [#1811]
• Use adjusted difficulty for trees in active transactions [#1810]
• Use to_bytes in bootstrap as well [#1807]
• Require standard layout in mdb_val [#1806]
• RPC accounts_pending - sort by amount [#1804]
• Improve representative crawler [#1803]
• Confirmation height enhancement [#1801]
• Improve CLI --wallet_import [#1800]
• Support difficulty for RPC "work_generate" [#1798]
• Replace nested if/else with map for no argument rpc_handler functions [#1796]
• Add TCP server timeout [#1790]
• Use the error code overloads for socket shutdown/close [#1786]
• Support difficulty for RPC "work_generate" [#1780]
• Support difficulty for OpenCL generate_work () [#1775]
• Add subtype field for state blocks in RPC block_info, blocks_info [#1774]
• RPC config versioning, remove unused options [#1768]
• Cleanup unused member functions in secure library and various other cleanups [#1764]
• Use optimized Argon2 source for all x86_64 builds [#1762]
• Improve rep tracking [#1756]
• Check that full is not empty and assert [#1753]
• Remove implicitly converted argument [#1751]
• Support difficulty for OpenCL PoW [#1749]
• RPC pending - sort by amount [#1748]
• Ability to limit CPU rate for POW [#1734]
• --diagnostics CLI option to check & update config.json file [#1733]
• Network selector [#1729]
• RPC unopened [#1727]
• Investigate supporting the Expect header in RPC [#1671]
• Check if block processor is full in bulk push server [#1668]
• Allow block_processor variables tuning with launch flags [#1660]
• Slight OpenCL improvements [#1634]
• RPC Account history filter [#1355]
• Enhancement Request: Update Ledger RPC action to show unopened accounts with pending balance [#1166]
• Enhancement Request: add optional account_filter option to account_history RPC [#1110]
• Easy way to switch between beta/live network [#1099]
• RPC/CLI inconsistency with wallet_change_seed [#793]
• Official wallet doesn't support decim...

Version 18.0

Change Log

Release V18.0 (2019-02-21)

Full Changelog

Major Changes:

• PATCH to indicate RC, Updated Version responses [#1643]
• Splitting wallets from ledger database. [#1610]
• Add sideband information to database. [#1554]
• Deprecate all existing API calls [#1540]
• Disable voting by default [#1509]
• Rename internal project bits from RaiBlocks to Nano [#1504]
• Block builder [#1451]
• Confirm dependent active elections [#1438]
• Support external RPC servers via IPC [#1434]
• Disable voting by default [#1369]
• Zero-terminate all things we refer to as strings [#1223]
• Node ID in RPC & QT wallet peers list [#946]
• Separate DB file for wallets [#210]

Implemented enhancements:

• Make confirm_back () non-recursive [#1754]
• Cli debug online weight [#1744]
• Respond to keepalive messages within a TCP socket [#1742]
• Fix reported by TSAN issues [#1739]
• Make the sideband open block start at a height of 1 [#1737]
• Update CLI --debug_validate_blocks to validate sideband data [#1735]
• Remove unnecessary cast [#1730]
• Cleanup unchecked table after each bootstrap attempt [#1724]
• Use cpack to build zip for win [#1706]
• Exclude miniupnpc install () [#1701]
• Factor out signature checker [#1700]
• Configurable timer clock type [#1699]
• Add alarm operations to memory stats RPC [#1694]
• Add missing beta/live network helper constants [#1693]
• Factor out block processor [#1692]
• CLI to clear online_weight & peers [#1689]
• add CLI switch for adjusting Sideband upgrade batch sizes [#1684]
• Create and use new network helper constants [#1680]
• Improve votes cache usage [#1678]
• Fix our own compiler warnings [#1677]
• Fixing issue where blocks were not being rebroadcast immediately upon… [#1657]
• Improve wallet_history consistency with other RPC [#1654]
• Make nano_wallet for Windows console [#1653]
• Multi-thread the signature checker [#1651]
• Filter outdated_version errors from logging [#1649]
• Long-term online rep weight tracking [#1648]
• Update balance on ratio change [#1647]
• Count processed forks in stats [#1646]
• Add support for getting the current thread's name as a string [#1639]
• Better handling of TCP accept overflow [#1638]
• tsan: blacklist mdb [#1637]
• Memory stats in RPC [#1632]
• Add version info to Info.plist [#1631]
• Improved error message when unable to accept RPC connection [#1626]
• RPC to clear stats [#1625]
• Increase default max log folder size to 128Mb [#1623]
• Add optional "offset" & "reverse" parameters for RPC chain [#1622]
• RPC to clear stats [#1620]
• Increase default max log folder size [#1618]
• RPC uptime [#1616]
• Remove deprecated bulk_pull_blocks [#1615]
• Upgrade preconfigured peers in config.json file to use nano url instead of rai [#1613]
• Splitting wallets from ledger database. [#1610]
• More transaction cleanup in preparation for wallet splitting. NFC [#1609]
• Cache peers in database [#1608]
• Separate transaction sources [#1607]
• Multithread signature_checker [#1606]
• Add existing blocks check for lazy bootstrap pulls [#1603]
• Indicate active network in Qt wallet [#1601]
• Rename announce_votes () to request_confirm () [#1598]
• Update FindBoost.cmake [#1597]
• version numbers missing on macOS [#1596]
• Make asan/tsan link on macOS, add tsan cache variable [#1593]
• Connect to a bootstrap peer only once concurrently [#1590]
• [QT] Automatic determinictic accounts check after leaving the synchronisation state [#1589]
• Change order of block table lookups [#1587]
• Remove bulk_pull_blocks [#1585]
• Convert deserializers to use exceptions [#1584]
• Add size expressions to bootstrap types [#1580]
• Remove checksum table [#1579]
• RPC debug command line option [#1577]
• Remove unnecessary inline specifier [#1572]
• Accept seed in RPC wallet_create [#1567]
• Priority lazy bootstrap for wallet accounts [#1565]
• Disable clang format where versions disagree [#1562]
• Remove gap_previous check from epoch_block_impl [#1559]
• Renaming block_processor::process_x functions. [#1558]
• Add sideband information to database. [#1554]
• Use builder in CLI debug commands [#1553]
• Extracting function to calculate block successor offset [#1552]
• Optional deterministic index in RPC account_create [#1547]
• Local votes cache to reduce CPU usage for representatives [#1542]
• Set outdated-version status on livenet as well [#1538]
• Block method refactor [#1535]
• "update_existing_accounts" option for RPC wallet_representative_set [#1531]
• Adding logging object to mdb_store. [[#1530](https://github.com/nano...

Version 18.0RC3

This is a Beta Network Release -- binaries will only work on the Beta network

Change Log

Release V18.0RC3 (2019-02-18)

Full Changelog

Implemented enhancements:

• Cli debug online weight [#1744]
• Respond to keepalive messages within a TCP socket [#1742]
• Fix reported by TSAN issues [#1739]
• Update CLI --debug_validate_blocks to validate sideband data [#1735]
• Remove unnecessary cast [#1730]
• Cleanup unchecked table after each bootstrap attempt [#1724]
• Use cpack to build zip for win [#1706]
• adding support for rpm building [#1175]

Fixed bugs:

• [ASAN] replace junk data with 0 for peer_put () [#1745]
• [ASAN] don't create more wallets in vote_minimum test [#1743]
• Fix some asan issues in tests [#1741]
• Initialize peer_information members [#1738]
• Make the sideband open block start at a height of 1 [#1737]
• block_store.sideband_height test [#1736]
• Update appveyor.yml [#1722]
• Update github issue template bug bounty info [#1720]
• Support both nano_ and rai_ prefixes for unit conversion RPCs [#1719]
• Fix uses of lambdas on GCC < 7.1.0 [#1715]
• Find pthread in CMakeLists.txt [#1714]
• Only blacklist the TSAN file when using clang compiler [#1713]
• Fix wallet import for old JSON files [#1712]
• Appveyor: fix building PRs during CI [#1710]
• Update missed rai:: references to nano:: [#1709]
• ipc: Handle rpc actions doing async ops [#1708]

---

Additional binary releases:

• Official Docker Instructions

---

Hashes and GPG Signature (keys located in source etc/gpg/).

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Below are sha256sum hashes for version 18.0RC3.
Signature verification can be done against the signature for argakiig in the source
code repository (etc/gpg/)

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