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Changelog

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

The format is based on Keep a Changelog and this project adheres to Semantic Versioning

[1.5.15]

Removed

  • Disable NO_SLOW as an option.

Added

  • Allow to set NO_XPUB to disable extended public keys.

[1.5.14] - 2024-12-04

Changed

  • Move /dbstats and /mempool to slow endpoints section.

Added

  • Cull old transactions from mempool automatically.

[1.5.13] - 2024-10-25

Changed

  • Dummy release: update upstream LTS Haskell dependency in stack.yaml file.

[1.5.12] - 2024-07-22

Added

  • Metric to track time to import a new block.
  • Parameter no_compact allowed for backwards compatiblity.

[1.5.11] - 2024-05-24

Fixed

  • Parameter noCompact corrected for multiaddr endpoint.

[1.5.10] - 2024-05-24

Fixed

  • Prune obsolete transactions from outgoing peer requests.
  • Remove unnecessary module imports.

[1.5.9] - 2024-05-23

Fixed

  • Only sync mempool once for each peer.

[1.5.8] - 2024-05-23

Fixed

  • Dummy release to bump upstream dependency on haskoin-node.

[1.5.7] - 2024-05-23

Fixed

  • Dummy release to bump upstream dependency on statsd-rupp.

[1.5.6] - 2024-05-22

Changed

  • Allow to toggle RocksDB Bloom filters off.

Fixed

  • Correct command-line option behaviour for some rarely-used parametres.

[1.5.5] - 2024-05-19

Changed

  • Lock Redis before checking if the database needs to be pruned, rather than after.
  • Lock xpub in Redis to avoid computing derivations multiple times.

Fixed

  • Rename redis-min-gap to redis-min-addrs to match environment config variable.

[1.5.4] - 2024-05-07

Fixed

  • Fix Redis bug where old keys weren't pruned quickly enough.

Changed

  • Remove Nomad-specific environment variable parsing for statsd.

[1.5.2] - 2024-04-24

Changed

  • Use default GHC garbage collector.

[1.5.1] - 2024-04-23

Changed

  • Compile with GHC 9.8.2.
  • Enable optimisations.

[1.5.0] - 2024-04-06

Fixed

  • Use an optimised topological sort for importing transactions in bulk.

[1.4.0] - 2024-03-27

Changed

  • Use default optimisation settings.
  • Use default RocksDB parameters.

[1.3.0] - 2024-03-14

Changed

  • Bump upstream dependencies.

[1.2.5] - 2023-01-31

Fixed

  • Test suite now working again.

[1.2.4] - 2023-01-31

Changed

  • Bump upstream dependencies.

[1.2.3] - 2023-12-06

Changed

  • Transactions received via POST are just forwarded to every peer without delay or validation.
  • Bump dependency on NQE to resolve async issue.

[1.2.2] - 2023-10-21

Fixed

  • Fix comparison function for unspent outputs.

Changed

  • Avoid deprecated param function from Scotty.

[1.2.1] - 2023-10-04

Fixed

  • Correct web exception output format (JSON).
  • Correct block path parsing order.

[1.2.0] - 2023-10-03

Changed

  • Upgrade scotty dependency and fix incompatibilities.

[1.1.0] - 2023-09-15

Added

  • Add cache height stats.
  • Add database iterator stats.

Changed

  • Detect xpub gap more strictly.
  • Use statsd-rupp instead of ekg-stats.
  • All stat reporting keys changed.

Removed

  • Remove unsafeInterleaveIO from Web.hs.
  • Remove unnecessary WAI middlewares.
  • Remove server and client error reporting per endpoint.

[1.0.2] - 2023-08-25

Changed

  • Code refactoring and simplification.
  • Improve logging output.

Removed

  • Do not impose time limits on REST API responses.

Fixed

  • Remove loop in Blockchain.info unspents function.
  • Correct documentation for /blockchain/rawblock endpoint.
  • Fix no match in record selector address for coinbases.

[1.0.1] - 2023-08-03

Changed

  • Add compatibility with latest nightly LTS Haskell.

[1.0.0] - 2023-07-28

Changed

  • Compatibility with latest haskoin-core and haskoin-node packages.
  • Use DuplicateRecordFields and OverloadedRecordDot language extensions.
  • Modernize package in a backwards-incompatible manner.
  • Refactor package extensively.

[0.65.10] - 2023-05-12

Changed

  • Revert to older LTS Haskell to attempt to resolve memory leak.

Removed

  • Remove unnecessary lock release.

[0.65.9] - 2023-05-09

Changed

  • Be more aggressive caching individual transactions.
  • Introduce a periodic cache mempool sync task.

[0.65.8] - 2023-05-08

Changed

  • Perform health check in separate thread.

[0.65.7] - 2023-05-05

Changed

  • Do not sync mempool to Redis if node is not up-to-date.

[0.65.6] - 2023-05-04

Changed

  • Improve caching ingestion performance.

[0.65.5] - 2022-09-19

Added

  • Fee field added to Blockchain.info-style export-history endpoint.

Changed

  • Bump version due to Git mistake.

[0.65.3] - 2022-04-13

Added

  • IPv6 peer support.

[0.65.2] - 2022-04-13

Fixed

  • Correct lazy bytestring deserialization algorithm for web client.

[0.65.1] - 2022-04-13

Changed

  • Simplify function in Cache module.
  • Bump depenedencies.

[0.65.0] - 2022-02-03

Changed

  • Spenders now embedded into tx objects in database for performance.
  • Use faster IORef instead of slow TVar when ingesting.
  • Use mutable hash tables when ingesting.
  • Allow to disable unscalable API endpoints.

[0.64.19] - 2022-02-01

Added

  • Allow to set query timeouts.

[0.64.18] - 2022-01-21

Fixed

  • Off-by-one error when importing change addresses to cache.

[0.64.17] - 2022-01-21

Fixed

  • Add change addresses to cache when necessary.

[0.64.16] - 2022-01-10

Fixed

  • Correct fee calculation for blocks that do not claim all rewards.

[0.64.15] - 2022-01-07

Fixed

  • Correct scale of cache pruning code.

[0.64.14] - 2022-01-07

Fixed

  • Always prune to 80% of max cache size.

[0.64.13] - 2022-01-07

Fixed

  • Avoid doing a hissy fit on transient cache issue.

[0.64.12] - 2022-01-07

Fixed

  • Prune a little more cache to allow for new keys.

[0.64.11] - 2022-01-06

Fixed

  • Prune cache more often.

[0.64.10] - 2021-12-30

Changed

  • Return empty addresses in xpub balances call.

[0.64.9] - 2021-12-29

Fixed

  • Avoid notifying same transactions in mempool.

[0.64.8] - 2021-12-26

Changed

  • Use better Fourmolu format.
  • Be more precise when counting retrieved items.

Fixed

  • Avoid transactions duplicated in xpub data.
  • Refactor some functions to make them more robust.

[0.64.7] - 2021-12-26

Fixed

  • Optimisations for various Blockchain endpoints.
  • More accurate item counts for various web endpoints.

[0.64.6] - 2021-12-25

Fixed

  • Record cache index time just once per xpub.

[0.64.5] - 2021-12-25

Changed

  • Add suffix cached to cache entries to avoid conflicts with data entries.

[0.64.4] - 2021-12-25

Fixed

  • Bring dots back and avoid stats hacks.

[0.64.3] - 2021-12-25

Fixed

  • Fix typo.

[0.64.2] - 2021-12-25

Changed

  • Replace dots for underscores in metrics.

[0.64.1] - 2021-12-25

Changed

  • Automatic formatting.
  • Improve cache debug logging.

Fixed

  • Add item count to 'all' query metrics.

[0.64.0] - 2021-12-25

Changed

  • Improve metrics.

Fixed

  • Get lock before importing transactions to cache.

0.63.0

Fixed

  • Make cache updates lightweight.

0.62.1

Fixed

  • Fix idempotent transaction elimination bug.

0.62.0

Added

  • Configurable Blockchain price URLs.
  • Reuse HTTP connections with wreq sessions.

0.61.1

Changed

  • Upstream improvements on Base58 performance.

0.61.0

Fixed

  • Fixed recursion bug in Blockchain format conversion function.

0.60.0

Fixed

  • Correct notifications subsystem.

0.59.0

Fixed

  • Correct internal dependency.

0.58.0

Fixed

  • Correct output freeing algorithm.

0.57.0

Changed

  • Report errors freeing outputs.

0.56.0

Changed

  • Report all deleted mempool transactions.
  • Crash on certain data corruption.

0.55.0

Changed

  • Always have a previous output object in Blockchain inputs.

0.54.0

Added

  • WebSocket support.
  • Testnet4 support.

0.53.11

Changed

  • Dummy version increase to signal upstream update of Haskoin Core.

0.53.10

Fixed

  • Correct test that was reversed in previous version.

0.53.9

Removed

  • Mempool is no longer synced by default to fix public Bitcoin Core regression.

0.53.8

Changed

  • Put derivations stat inside database.

0.53.7

Added

  • Added counters for database retrievals.
  • Added counter for xpub derivations.

Changed

  • Removed some buggy or unnecessary stats.

0.53.6

Changed

  • Improve web server statistics.

0.53.5

Addded

  • Endpoint to delete an xpub from cache.

0.53.4

Added

  • Debugging when reverting block.

Fixed

  • Negative (headers - blocks) diff shown incorrectly.
  • Infinite loop when removing a block's coinbase transaction.

0.53.3

Added

  • Blockchain.info endpoint: q/pubkeyhash/:addr.
  • Blockchain.info endpoint: q/getsentbyaddress/:addr.
  • Blockchain.info endpoint: q/pubkeyaddr/:addr.
  • Configurable request body limit size.

0.53.2

Fixed

  • Return output in satoshi for some endpoints.

0.53.1

Fixed

  • Return 404 in case of bad address.

0.53.0

Added

  • Blockchain.info endpoint: q/addresstohash/:addr.
  • Blockchain.info endpoint: q/addrpubkey/:pubkey.
  • Blockchain.info endpoint: q/hashpubkey/:pubkey.
  • Blockchain.info endpoint: q/getblockcount.
  • Blockchain.info endpoint: q/latesthash.
  • Blockchain.info endpoint: q/bcperblock.
  • Blockchain.info endpoint: q/txtotalbtcoutput/:txid.
  • Blockchain.info endpoint: q/txtotalbtcinput/:txid.
  • Blockchain.info endpoint: q/txfee/:txid.
  • Blockchain.info endpoint: q/txresult/:txhash/:addr.
  • Blockchain.info endpoint: q/getreceivedbyaddress/:addr.
  • Blockchain.info endpoint: q/addressbalance/:addr.
  • Blockchain.info endpoint: q/addressfirstseen/:addr.
  • Support xpubs in blockchain/rawaddr endpoint.

Fixed

  • Various latest blocks endpoint fixes.
  • Allow empty parameters in Blockchain.info POST requests.

0.52.13

Fixed

  • Upstream fixes for unknown inv types.

0.52.12

Fixed

  • Fix limits for legacy endpoints.

0.52.11

Added

  • Alias for Blockchain.info raw address endpoint.

Fixed

  • Fix unknown message types without payload upstream.
  • Randomise peer timeouts upstream.

0.52.10

Fixed

  • Fix binary search algorithm for blocks upstream.

0.52.9

Added

  • Add Blockchain.info latest block endpoint.
  • Add Blockchain.info unconfirmed-transactions endpoint.
  • Add Blockchain.info blocks for one day endpoint.

0.52.8

Fixed

  • Fix special case for zero limit.

0.52.7

Fixed

  • Fix cache bug when too many transactions in mempool.

0.52.6

Changed

  • Use rationals for Blockchain.info export-history endpoint arithmetics.

0.52.5

Added

  • Support for Blockchain.info export-history endpoint.

Fixed

  • Use strict bytestring decoder for HTTP API client.

0.52.4

Fixed

  • Use Base58 addresses by default in Blockchain.info balance querios.

0.52.3

Fixed

  • Errors should also contain CORS headers.

0.52.2

Fixed

  • Blockchain.info raw address limit should use limit parametre and not n.

0.52.1

Changed

  • Stream multiple transactions when requested.

Fixed

  • Fix missing unspent outputs.

0.52.0

Changed

  • Remove unnecessary performance optimisations.

Fixed

  • Reduce balance retrievals for xpubs.
  • Hack UTXO ordering to avoid unwanted behaviours.
  • Do not merge conduits when there are too many.

0.51.0

Fixed

  • Data type for RequestTooLarge was missing.

0.50.3

Added

  • Log HTTP request bodies.

Removed

  • Remove web request timeout.

Fixed

  • Do not ignore unknown start tx anchors in conduits.
  • Use fast transaction counting in cache.

Changed

  • Use WAI middlewares to manage stats.

0.50.2

Fixed

  • Do not use lazy parsers for incoming data that may throw exceptions.

0.50.1

Fixed

  • Do not allow incoming POST requests of unlimited body size.

0.50.0

Added

  • Limit number of simultaneous xpubs being cached.

0.49.0

Changed

  • Improve conduit merging algorithm.

0.48.0

Added

  • Timeouts and token bucket for web requests.
  • Configurable price fetch interval.

0.47.6

Fixed

  • Fix web.all stat.

0.47.5

Changed

  • Simplify stats.

0.47.4

Added

  • Implement Blockchain.info block height.
  • Implement Blockchain.info raw address.
  • Implement Blockchain.info balances.

Fixed

  • Make Blockchain.info unspent endpoint more efficient.
  • Make Blockchain.info xpubs endpoint more efficient.

Changed

  • Use compact JSON serialization by default everywhere.

0.47.3

Fixed

  • Fix serialization bug with unspents.

0.47.2

Fixed

  • Fix serialization bug for health check.

0.47.1

Fixed

  • Fix serialization bugs for web data types.

0.47.0

Added

  • Support for legacy block endpoints.

Changed

  • Serialization now uses bytes library and does interleaved IO.

0.46.6

Added

  • Allow comma-separated values in multiaddr.

0.46.5

Changed

  • Throw error when offset exceeded instead of truncating it.

0.46.4

Fixed

  • Do not compute balances separately for loose addresses when part of an xpub.

Changed

  • Do not fetch entire transaction list for loose addresses.
  • Transaction count in wallet object is just a synonym for filtered tx count.
  • Use conduits to prevent over-fetching transactions from database.

0.46.3

Fixed

  • Make hex value encoding compatible with Java BigInteger decoder.

0.46.2

Changed

  • Allow negative confirmations for compatibility with old API.

0.46.1

Added

  • Filters for transactions in multiaddr endpoint.

0.46.0

Fixed

  • Release to fix unintentional upload.

0.45.0

Added

  • Using a tx_index that results in a txid conflict returns a 409 - Conflict.

0.44.0

Changed

  • Numeric txid now 53 bits long and doesn't return transactions when hashes collide.

0.43.1

Fixed

  • Do not overcount statistics.

0.43.0

Changed

  • Transaction index now simply encodes txid as a long number (sorry JS users).

0.42.4

Changed

  • Optimise encoding of JSON data for Blockchain.info API.

0.42.3

Changed

  • Narrow down the balance for transactions to onlyShow set.

0.42.2

Changed

  • Make unspent algorithm more efficient.

0.42.1

Added

  • Support for Blockchain.info API unspent endpoint.

Fixed

  • Fix RBF transactions on Blockchain.info API.

0.42.0

Removed

  • No more pruning of old mempool transactions.

0.41.4

Fixed

  • Correct error computing wallet balances.

0.41.3

Changed

  • Use whole active set when computing results for multiaddr.
  • Compute correct count of transactions for wallet.

0.41.2

Changed

  • Caching mempool is not much slower when pruning, so reversing that change.

0.41.1

Changed

  • Only prune mempool every ten minutes or so.

0.41.0

Removed

  • No more cache eviction endpoint.

0.40.22

Added

  • More metrics for cache.

0.40.21

Added

  • Support HTTP GET for multiaddr endpoint.

0.40.20

Added

  • Prefix 'app.' in statsd when using Nomad variables.

0.40.19

Added

  • Statsd support and pleny of statistics.

Removed

  • Removed use of sync lock for importing xpubs in cache due to volume.

0.40.18

Added

  • New options to control cache lock retry count and delay.

Changed

  • Cache xpubs asyncrhonously.
  • Mempool syncs fully every refresh cycle.

0.40.17

Changed

  • Delete more than 1000 xpubs from Redis if needed.
  • Attempt to get lock ten times in order to index a new xpub.

0.40.16

Fixed

  • Fix best block not set.

0.40.15

Fixed

  • Do not update cache best block if it is higher.

0.40.14

Fixed

  • Always respond to cache pings to avoid getting stuck.

0.40.13

Added

  • Be more careful about importing blocks to the cache.

Removed

  • Reduce excessive cache logging.

0.40.12

Fixed

  • Correct bad arithmetics in cache cooldown.

0.40.11

Added

  • Debug log cache cooldown.

Fixed

  • Unlimited retry lock acquisition now works.
  • Make locking tighter

0.40.10

Changed

  • Reduce the number of things that cache do when pinged.

0.40.9

Fixed

  • Avoid filling the cache actor mailbox with pings.

0.40.8

Fixed

  • Correct a typo in cache code.

0.40.7

Changed

  • Improve cache mempool sync algorithm.

0.40.6

Changed

  • Make cache cooldown a number.

0.40.5

Added

  • Log every non-successful query.

0.40.4

Fixed

  • Use Redis TTL for cache cooldown.

0.40.3

Fixed

  • Mempool no longer gets saved in cache when node is not in sync.

0.40.2

Changed

0.40.1

Removed

  • Do not expose Paths_haskoin_store module explicitly.

0.40.0

Added

  • Blockchain.info API compatibility for multiaddr and rawtx endpoints.

Changed

  • Segwit fields are no longer omitted on incompatible networks.

0.39.0

Changed

  • Upgrade Haskoin Core to support higher version on witness addresses.

0.38.4

Fixed

  • Fix block search by timestamp.

0.38.3

Changed

  • Disable low latency garbage collector by default.

0.38.2

Changed

  • Use GHC 8.10 and its low latency garbage collector.

0.38.1

Changed

  • Optimise algorithm for fork safety check.

0.38.0

Added

  • Support for Bitcoin Cash hard fork.

0.37.5

Added

  • Configurable cache refresh time.

0.37.4

Fixed

  • Now request mempool when connecting even if already in sync.

Changed

  • Add a delay to mempool sync to allow for block headers to catch up.
  • Attempt to sync mempool whenever syncing is done or a new peer connects.

0.37.3

Changed

  • Correct logic error when deleting superseded transactions.

0.37.2

Changed

  • Simplify multiple algorithms to hopefully solve corruption bug.
  • Allow to disable mempool transaction indexing via command line.

0.37.1

Changed

  • Better locking around caching operations.
  • Have a global cooldown on cache mempool updates.

Fixed

  • Fix address unspent retrieval using correct column family.

0.37.0

Added

  • Add support for column families and prefixes breaking database backwards compatibility.

0.36.2

Fixed

  • Fix another place where mempool sorting was wrong.

0.36.1

Fixed

  • Fix wrong sorting of mempool transactions in database.

0.36.0

Changed

  • Do not use STM transactions because it is impossible to reason about preloading.
  • Make importing blocks after mempool is populated faster.

0.35.2

Changed

  • Reduce frequency of cache mempool updates.

0.35.1

Changed

  • Remove cache lock retries.
  • Do not use lock when caching a new xpub.

0.35.0

Changed

  • Use new RocksDB Haskell bindings.
  • Make headers - blocks diff configurable in health check.
  • Simplify locking in cache.

0.34.8

Changed

  • Minor refactoring.
  • Only send one mempool message ever.

0.34.7

Changed

  • Fix block heights endpoint URL.

0.34.6

Removed

  • Remove asynchronous database retrieval permanently due to instability.

0.34.5

Added

  • Preload memory before freeing outputs.

0.34.4

Added

  • Asynchronous preloading only for blocks.

0.34.3

Removed

  • Disable asynchronous preloading to prevent segmentation fault error.

0.34.2

Removed

  • No more upper limit for mempool call.

Fixed

  • Health check uses minimum between last block and mempool tx.

0.34.1

Added

  • Pending mempool transactions health check.

Removed

  • No more upper limit for mempool call.

0.34.0

Changed

  • New format for health check.

0.33.1

Changed

  • Upload with updated Cabal files.

0.33.0

Fixed

  • Fix outputs showing up as both spent and unspent.

Changed

  • Simplify data structures used to hold uncommitted changes.
  • Split StoreRead class in two.
  • Improve pre-loading algorithms.

0.32.3

Fixed

  • Fix command line argument mappings to env vars.

0.32.2

Fixed

  • Do not complain when deleting non-existent unconfirmed txs.

0.32.1

Fixed

  • Fix corruption bug when deleting transactions during some reorgs.
  • Fix tests on data package.
  • Rename upstream address string functions.

0.32.0

Changed

  • Concurrently load dependencies when importing transaction data.
  • Import each transaction using STM.
  • Rework logging.
  • Refactor all block chain importing algorithms.
  • Use peer locking when importing data.
  • Change license to MIT.

Added

  • Make max peer count configurable.

Fixed

  • Prevent premature peer timeouts when importing blocks.

0.31.0

Added

  • Add Haskell web client code to data library.
  • Use type-safe definitions for web paths and parameters.
  • Support JSON pretty encoding and enable by default for some endpoints.
  • Allow environment variables for configuration.

Changed

  • Change command-line arguments to better fit GNU style.
  • Refactor code to manipulate address balances.
  • Improve logging.
  • Rate-limit mempool importing.
  • Do not add xpubs to cache if node not in sync.
  • Do not import transactions to cache if no xpubs in cache.
  • Refactor transaction importing logic extremely.
  • Refactor memory database and writer.

Fixed

  • Fix BTC double-count transaction bug.
  • Add missing xpub derive parameter to xpub evict documentation.

0.30.1

Changed

  • Limit mempool API endpoint list.

0.30.0

Changed

  • Raw JSON values are now wrapped in an object with a result property.
  • Better logging when importing transactions into mempool.

Fixed

  • Transaction limit by block height works now.

0.29.3

Changed

  • Revert concurrent retrieval changes from 0.29.1 and 0.29.0 to solve stability issues.
  • Bitcoin Cash (BCH) replaces BTC as default network in CLI.
  • Peer discovery enabled automatically if no peers specified in CLI.
  • Use separate Stack configuration file for data package.

0.29.2

Changed

  • Increase timeouts for manager and chain health checks.

0.29.1

Added

  • Perform xpub operations concurrently.

0.29.0

Changed

  • BlockTx renamed to TxRef.
  • Remove unnecessary monad transformers to simplify import code.

Added

  • Retrieve balances and unspent outputs concurrently when importing.
  • Coin instance for Unspent in data package.

0.28.0

Changed

  • Change the way that limits, start, and offset values are handled.

Fixed

  • Fix incorrect limit responses.

0.27.0

Added

  • Complete support for offset.

Changed

  • Improve monad stack for cache.

0.26.6

Added

  • Support for offset in all endpoints where it makes sense.

0.26.5

Fixed

  • Sort after using the nub function or use Data.List.nub in exceptional cases.

0.26.4

Changed

  • Don't do certain validity checks on confirmed transactions.

Fixed

  • Do not crash when syncing the blockchain from scratch on a populated cache.

0.26.3

Changed

  • Replace nub function everywhere with faster version written using hash sets.

Fixed

  • Fix shared cache locking.

0.26.2

Changed

  • Simplify cache block import code.
  • Improve cache import performance.

0.26.1

Fixed

  • Do not call zadd or zrem in Redis with incorrect argument count.

Changed

  • Do not use slow Transaction type in Logic.
  • Improve logging while importing blocks.
  • Better transaction import algorithm.

0.26.0

Changed

  • Add information to some binary types for feature parity with JSON.

0.25.4

Changed

  • Hide segwit data on non-segwit networks.

Fixed

  • Fix work which now always serialises as a number literal.

0.25.3

Changed

  • Fix version display on health check.

0.25.2

Changed

  • Fix wrong version of Haskoin Store Data dependency.

0.25.1

Changed

  • Improve code organisation.
  • Split data definitions and serialisation into its own package.

0.24.0

Changed

  • Use mocking to simulate peers instead of connecting to the network while testing.
  • Depend on latest version of Haskoin Core for faster JSON serialisation.
  • Clean up confusing JSON encoding/decoding codebase.

0.23.24

Changed

  • Implement faster JSON encoding using toEncoding from the Aeson library.

0.23.23

Changed

  • Do not read full mempool so often from cache code.

0.23.22

Changed

  • Depend on latest Haskoin Node that fixes debugging regression.

0.23.21

Changed

  • Reduce non-debug log verbosity.

0.23.20

Changed

  • Better Haskoin Node logging.

0.23.19

Changed

  • Use set peer timeout instead of constant in block store.

0.23.18

Changed

  • Allow setting peer timeouts in command line.

Fixed

  • Bump Haskoin Node dependency to fix another premature timeout condition.

0.23.17

Fixed

  • Touch syncing peer whenever we process one of its blocks to avoid premature timeout.

0.23.16

Changed

  • Better algorithm to avoid importing transaction multiple times in cache.
  • Depend on latest Haskoin Node.

0.23.15

Changed

  • Do not storm the cache with mempool transactions.

0.23.13

Fixed

  • Do not ignore deleted incoming transactions.

0.23.12

Fixed

  • Do not do RBF checks when replacing a mempool transaction with a confirmed one.

0.23.11

Fixed

  • Streamline mempool transaction importing.

0.23.10

Fixed

  • Fix transactions not recorded in cache mempool set.
  • Fix transactions being downloaded multiple times.

Removed

  • Do not store orphan transactions in database.

Changed

  • Use sets for incoming transactions instead of lists.
  • Do not do anything to the cache if there are no xpubs in it.

0.23.9

Fixed

  • Wiping mempool fixed.

0.23.8

Added

  • Chunk transactions to be deleted from mempool.

0.23.7

Added

  • Mempool improvements.

0.23.6

Added

  • Ability to wipe mempool at start.
  • Improvements to mempool processing code.

0.23.5

Changed

  • Tighten the locking loop to avoid slow cache building.

0.23.5

Fixed

  • Wrong error in cache when acquiring lock.

0.23.4

Added

  • Add extra debug logging for cache code.

Fixed

  • Fix a bug with xpub growing algorithm.

Changed

  • Use locks instead of transactions to update cache.

0.23.3

Fixed

  • Reduce contention when many instances of Haskoin Store share a cache.

0.23.2

Added

  • Allow retrieving xpub data without using cache.

0.23.1

Added

  • Allow xpub eviction from cache via API.
  • Clarify cache address addition code.

Fixed

  • Balances were incorrectly computed in cache when new transactions arrived.

0.23.0

Added

  • Support for Redis transactions.
  • Use a smaller initial gap for empty xpubs.

Changed

  • Remove custom JSON encoding class.
  • Refactor and code simplification.

0.22.5

Fixed

  • Cache was being completely pruned.

0.22.4

Fixed

  • Cache now prunes correctly.

0.22.3

Fixed

  • Bug was making cache get stuck when pruning.

0.22.2

Changed

  • More efficient algorithms for caching and cache misses.
  • Better debug logging of cache hits and misses.

0.22.1

Added

  • More debug logging for cache hits.

Fixed

  • Bug using maximum against empty list.

0.22.0

Changed

  • Extreme code refactoring.
  • Move all code to Haskoin and drop Network from modules.

Added

  • Use Redis pipelining when importing multiple transactions into cache.
  • Implement configurable LRU for Redis cache.
  • Import xpubs directly into cache from web worker thread when a key is requested.

Removed

  • Only expose a few modules to external API.

0.21.7

Changed

  • Improve build configuration.

Fixed

  • Use minimum used addresses instead of minimum index for xpub cache decision.

0.21.6

Fixed

  • Fix missing xpub unspent outputs when using cache.

0.21.5

Added

  • Only store xpubs in cache if they have more than a threshold addresses used.

0.21.4

Fixed

  • Fix shared cache case where head is set beyond header chain by another node.

0.21.3

Fixed

  • Fix bug where best head was not being registered in cache.
  • Fix best head in cache being decoded incorrectly.

0.21.2

Added

  • Complete support for Redis xpub cache.

0.21.1

Fixed

  • Latest version of secp256k1-haskell works with Debian 9.

0.21.0

Fixed

  • Fix output of web API calls when issuing limits with offsets.

Changed

  • Massive refactoring of entire codebase.

Added

  • Work in progress Redis caching for extended public keys.

0.20.2

Changed

  • Filter xpub address balances on web API to show only addresses that have been used.

Removed

  • Remove paths and addresses from xpub summary.

0.20.1

Changed

  • Refactor code greatly.
  • Depend on new Haskoin Store package to avoid missing tx broadcasts.
  • Merge StoreStream class into StoreRead.
  • Move former streaming functions to use lists instead of conduits.
  • Remove excessively verbose debugging.

0.20.0

Added

  • Set minimum version bounds for some dependencies.
  • Now compatible with GHC 8.8.
  • Extended key caching system using Redis.

Changed

  • Massively refactored codebase.
  • Less verbose debug logging.

Removed

  • Removed conduits for faster queries.

0.19.6

Added

  • Use a parallel strategy to compute key derivations.

Fixed

  • Do not fail health check upon transaction timeout while syncing.

Changed

  • Do not use conduits for xpub balance streams.
  • Multiple minor refactorings.

0.19.5

Changed

  • Minor refactor to block import code.

Fixed

  • Minor fix to transaction timeout check.

0.19.4

Fixed

  • Clarify and correct health check algorithm.

0.19.3

Changed

  • Add address transactions to cache.
  • Improve multi-address transaction retrieval algorithms.

0.19.2

Removed

  • Cache-Control header turned out to be unnecessary.

Fixed

  • Fix some minor errors in web module.

0.19.1

Added

  • Set Cache-Control header to no-cache.

0.19.0

Changed

  • Store mempool in single key/value pair.

0.18.11

Changed

  • Do not stream mempool.

0.18.10

Removed

  • Disable timeout checks for testnets.

0.18.9

Added

  • Endpoint to locate a block by unix timestamp.

Removed

  • No more persistence for peers due to dependency on newest haskoin-node.

0.18.8

Added

  • Transaction and block timeouts for health check.
  • Raw blocks.

0.18.7

Fixed

  • Missing tranasctions on xpub listings.

0.18.6

Removed

  • Follow Stack advise removing -O2 GHC option.

0.18.5

Added

  • Compatibility with SegWit on extended public key endpoints.

Changed

  • Fix syncing peer not reset after timeout.
  • Use simpler monad for streaming data.

0.18.4

Changed

  • Bump Haskoin Node to fix peers not stored and excessively verbose logging.

0.18.3

Changed

  • Configurable HTTP request logging. Disabled by default.

0.18.2

Changed

  • Fix for memory leak.

0.18.1

Removed

  • Remove transaction count from xpub summary object.

0.18.0

Changed

  • Simplified limits and start point handling on web API.
  • Made transaction streaming algorithm faster for xpub transactions.
  • Extended public key summary output contains all addresses that have received transactions.

Added

  • Fine-grained control for maximum limits via command line options.
  • Transaction hash as starting point.
  • Block hash as starting point.
  • Timestamp as starting point.
  • Configurable xpub gap limit.
  • Transaction count added to xpub summary.
  • UTXO count added to xpub summary.

Removed

  • Mempool endpoint now has no limits or offsets and always returns full list.
  • Extended public key summary output no longer includes any transactions.
  • Offsets not allowed for transaction lists involving multiple addresses or xpubs.
  • Confusing block position parameter no longer part of web API.

0.17.2

Changed

  • Stream address balances and unspent outputs.
  • Add configurable max value for limit and offset which defaults at 10000.

0.17.1

Changed

  • When posting a transaction to the network, timeout is now five seconds.
  • Improve error message when transaction post timeout reached.
  • Remove obsolete not found error for transaction post.
  • Endpoints for retrieving blocks now do streaming for better performance.
  • Improve Swagger API documentation.

0.17.0

Added

  • Endpoints for retrieving block transactions.
  • Endpoint for retrieving set of latest blocks.

Changed

  • Use standardized JSON and binary serialization schemes for raw transaction endpoints.

0.16.6

Changed

  • Now logging info messages too by default.
  • Consolidated web logging in middleware.

Removed

  • UUIDs for web requests.

0.16.5

Removed

  • Remove concurrency from xpub balance requests to prevent RocksDB segfaults.

0.16.4

Removed

  • Remove concurrency from requests using iterators to prevent RocksDB from segfaulting.

0.16.3

Added

  • Debugging information for web API.

0.16.2

Changed

  • Debugging disabled by default (use --debug to enable).

0.16.1

Added

  • Cache mempool transactions.
  • Improve initial syncing performance.

0.16.0

Added

  • Orphan transaction support.
  • Full address balance cache in RocksDB.
  • Full unspent output cache in RocksDB.

Changed

  • Significantly refactor code.
  • Move web stuff to its own module.
  • Change types related to databases.
  • Make xpub balance, transaction and unspent queries fetch data in parallel.

0.15.2

Added

  • Internal data types to support orphan transactions.

Changed

  • Do not spam block actor with pings.
  • Fix balance/unspent cache not reverting when importing fails.
  • Fix transaction sorting algorithm not including transaction position information.
  • Fix conflicting mempool transaction preventing block from importing.

0.15.1

Changed

  • Fix duplicate coinbase transaction id bug.

0.15.0

Removed

  • Removed PreciseUnixTime data type.

Changed

  • Use 64 bits for Unix time representation.
  • Data model now uses simplified Unix time representation.

0.14.9

Added

  • Last external/change index information to xpub summary object.

0.14.8

Added

  • Endpoint for xpub summaries.
  • Endpoints for full transactions.
  • Ability to query by offset/limit.
  • More API documentation.

0.14.7

Added

  • Debug information for publishTx.

Changed

  • Transaction publishing no longer requests mempool.
  • Fixed serialization for TxId freezing the entire program by infinitely recursing.

0.14.6

Changed

  • Enable full threading again as it was deemed not responsible for the freezing behaviour.

0.14.5

Changed

  • Enable threading but leave it at a single thread to be able to open more than 1024 files.

0.14.4

Changed

  • Target LTS Haskell 13.20 and disable threading in new attempt to fix freezing bug.

0.14.3

Changed

  • Remove -O2.

0.14.2

Changed

  • Target LTS Haskell 12.26 to attempt to fix freezing bug.

0.14.1

Added

  • Extra debugging around code that freezes.

Changed

  • Bump dependency on haskoin-node.

0.14.0

Removed

  • Dump slow protobuf serialization.

Added

  • Add custom serialization.
  • Extra debug logging.

Changed

  • Bump haskoin-core and haskoin-node.

0.13.1

Changed

  • Bump haskoin-node in stack.yaml.
  • Do not send empty getdata messages.

0.13.0

Added

  • Primitive content negotiation for web exceptions.
  • Protobuf support for errors.
  • Protobuf support for tranasction ids.

Changed

  • Protobuf format changed in non-backwards-compatible manner for transaction ids.

0.12.0

Added

  • Support for binary serialization using Protocol Buffers.
  • New endpoints for binary raw transactions (not hex-encoded).

Changed

  • Services field now a hex string instead of a number to avoid overflowing signed 64-bit integer.
  • Flatten list of block data objects when responding to request for multiple block heights.
  • Errors now reported in plain text without container JSON object.
  • Transaction broadcasts are responded to with transaction id in plaintext hex (no JSON).
  • Remove database snapshots to improve performance.

0.11.2

Changed

  • Fix duplicate mempool transaction announcements in event stream.

0.11.1

Removed

  • Removed latest block time check.

0.11.0

Changed

  • Improve post transactions endpoint.

0.10.1

Changed

  • Fix bug where transaction lists from multiple addresses would sort incorrectly.
  • Address gap reduced to 20.

0.10.0

Removed

  • Remove addresses from transaction lists.
  • No longer use container objects for xpub transactions.

0.9.3

Added

  • Permissive CORS headers to allow queries from any domain.
  • Improved documentation using real-world examples from the BCH testnet.

0.9.2

Added

  • HTTP JSON API switch to turn off transaction list when retrieving blocks.

0.9.1

Added

  • Total block fees.
  • Total block outputs.
  • Block subsidy.

Changed

  • Do not consider the blocks less one block away from headers as out of sync in health check.
  • Health check now returns HTTP 503 when not OK or out of sync.

0.9.0

Added

  • Version to health check output.
  • Block weight for segwit.
  • Transaction weight for segwit.

0.8.1

Added

  • Health check endpoint.

0.8.0

Added

  • Limits and skips.
  • Add timestamps to transactions.
  • Add transaction count to address balance object.
  • Add Merkle root to block data.
  • Total funds received by an address now shows up in balance.
  • Balances for any address that ever had funds show up in xpub endpoints.

Changed

  • Data model update.
  • Performance improvement for xpub calls.
  • Transactions are returned in reverse mempool/block order (highest or most recent first).
  • Balance objects do not get deleted from database ever.

0.6.9

Changed

  • Reduce number of coinbase checks to 10,000 ancestors.

0.6.8

Changed

  • Further optimize coinbase after height checks.

0.6.7

Changed

  • Impose restrictions on recursion for coinbase after height checks.

0.6.6

Added

  • Check whether a transaction can be traced back to a coinbase after certain height.

0.6.5

Changed

  • Delete transactions in reverse topological order when reverting a block.

0.6.4

Changed

  • Do not fail silently when importing orphan transactions into the mempool.

0.6.3

Changed

  • Dummy release to bump haskoin-node in stack.yaml.

0.6.2

Changed

  • Correct bug where coinbase transactions weren't properly flagged.

0.6.1

Changed

  • Compatibility with Bitcoin Cash hard fork.
  • Various bug fixes.

0.6.0

Added

  • Address balance cache in memory.

Changed

  • Simplify data model further.
  • Fix bug importing outputs with UTXO cache.
  • Unspent balances cannot be negative.

0.5.0

Added

  • Add UTXO cache in memory.
  • Get transactions with witness data in segwit networks.

Changed

  • Paths for derivations in xpubs is a list and no longer a string.
  • Various bug fixes.

0.4.2

Removed

  • Remove extended public key itself from output of relevant endpoints to save bandwidth.

0.4.1

Changed

  • Fix bug when deleting coinbase transactions.
  • Extended public key API support.

0.4.0

Changed

  • Generate events for mempool transactions.
  • Respond with entire block data when querying blocks by height.

0.3.1

Changed

  • Do not import transactions to mempool while not synced.
  • Only sync mempool against a single peer.
  • Allow duplicate transactions to fix re-introduced sync bug.

0.3.0

Added

  • Update dependencies.
  • Keep orphan blocks and deleted transactions in database.
  • Add a mainchain field for block data and a deleted field for transactions.
  • Stream records for performance.
  • Show witness data for transaction inputs in SegWit network.
  • Support RBF in SegWit network.

Changed

  • Refactor all data access code away from actor.
  • Refactor import logic away from actor.
  • Abstract data access using typeclasses.
  • Implement data access using clean layered architecture.
  • Make most of import logic code pure.
  • Database now in db as opposed to blocks directory.
  • Use latest haskoin-node.

Removed

  • Remove some data from peer information output.
  • Remove full transaction from address transaction data.
  • Remove limits from address transaction data.
  • Remove block data from previous output.
  • Remove spender from JSON response when output not spent.
  • Remove block hash from block reference.

0.2.3

Removed

  • Do not send transaction notifications if a block is being imported.

0.2.2

Added

  • Peer information endpoint.

Changed

  • Update haskoin-node.

0.2.1

Changed

  • Fix tests

0.2.0

Added

  • Documentation everywhere.
  • Ability to retrieve address transactions.

Changed

  • New versions of NQE and Haskoin Node upstream.
  • Improve and simplify API.
  • Multi-element endpoints return arrays of arrays.
  • Database snapshots for all queries are now mandatory.

Removed

  • Retrieving unspent and spent outputs for an address.
  • Redundant API endpoints for multiple elements.

0.1.3

Changed

  • Fix a bug with transaction notifications.
  • Improve handling orphan transactions.

0.1.2

Changed

  • Specify dependencies better.

0.1.1

Changed

  • Dependency secp256k1 is now secp256k1-haskell.

0.1.0

Added

  • New CHANGELOG.md file.
  • Bitcoin (BTC) and Bitcoin Cash (BCH) compatibility.
  • RocksDB database.
  • Mempool support.
  • HTTP streaming for events.
  • CashAddr support.
  • Bech32 support.
  • Rate limits.

Changed

  • Split out of former haskoin repository.
  • Use hpack and package.yaml.

Removed

  • Removed Stylish Haskell configuration file.
  • Remvoed haskoin-core and haskoin-wallet packages from this repository.