CHANGES.md

Changelog

1.8.0

• Bugfix: Init uvloop earlier so backends that use loop will not fail
• Docs: Remove FAQ, added performance doc section
• Bugfix: #404 - Use AsyncConnection object for Binance OI
• Feature: Rework how raw data is stored (when enabled). REST data can now be captured
• Feature: New feedhandler method, add_feed_running allows user to add feed to running instance of a feedhandler
• Feature: create_db defaults to False on InfluxDB backends
• Feature: Normalize Bitmex Symbols
• Update: Remove extraneous methods in feed objects used to query symbol information
• Feature: Use realtime ticker for Binance
• Bugfix: Bitmex symbols not being normalized correctly

1.7.0 (2021-02-15)

• Feature: Use UVLoop if installed (not available on windows)
• Bugfix: Allow exchanges to customize their retry delays on error
• Feature: New demo code showing user loop management
• Feature: Handle more signals for graceful shutdown
• Bugfix: BinanceFutures message format change
• Feature: Missing sequence number on Coinbase will not reset all data streams, just the affected pair
• Feature: Use timestamp from exchange for L2 book data from Coinbase
• Bugfix: Blockchain exchange had incorrect timestamps, and incorrect log lines
• Bugfix: Wrong datatype in BackendFuturesIndexCallback
• Bugfix: Fix bad postgres callback for open_interest and futures_index
• Feature: Signal handler installation now optional, can be done separately. This will allow the feedhandler to be run from child threads/loops
• Bugfix: Fix binance delivery book ticker (message format change)
• Breaking change: Feed object config renamed subscription
• Feature: Configuration passed from feedhandler to exchanges
• Breaking change: Most use of pair and pairs changed to symbol and symbols to be more consistent with actual usage. pairs.py renamed to symbols.py
• Feature: Allow configuring the API KEY ID from Config or from environment variable
• Bugfix: Collisions in normalized CoinGecko symbols (this adds about 700 new symbols)
• Feature: Add candles function to coinbase
• Feature: Explain when Cryptofeed crashes during pairs retrieval
• Bugfix: BINANCE_DELIVERY Ticker use msg_type='bookTicker' as for the other BINANCE markets
• Feature: Support Bitmex authentication using personal API key and secret
• Feature: Print the origin of the configuration (filename, dict) for better developer experience
• Bugfix: Add guard against non-supported asyncio add_signal_handler() on windows platforms
• Feature: Simplify source code by standardization iterations over channels and symbols
• Bugfix: Remove remaining character "*" in book_test.py
• Bugfix: Fix return type of the function book_flatten()
• Feature: Shutdown multiple backends asynchronously, and close the event loop properly
• Bugfix: Repair the Bitfinex FUNDING
• Feature: Speedup the handling of Bitfinex messages by reducing intermediate mappings
• Feature: Support OKEx options
• Bugfix: Cancel the pending tasks to gracefully/properly close the ASyncIO loop
• Feature: Support for authenticated websocket data channels

1.6.2 (2020-12-25)

• Feature: Support for Coingecko aggregated data per coin, to be used with a new data channel 'profile'
• Feature: Support for Whale Alert on-chain transaction data per coin, to be used with a new data channel 'transactions'
• Bugfix: Reset delay and retry for rest feed
• Feature: Add GCP Pub/Sub backend
• Bugfix: Fix aggregated callbacks (Renko and OHLCV) when used with exchanges that support order types
• Bugfix: Fix broken example/demo code
• Feature: New data channel - futures_index - demonstrated in ByBit
• Feature: Add stop callback when exiting loop, add stop method placeholder for base callbacks
• Bugfix: Fix NBBO callback
• Feature: Orderbook sequence number validation for HitBTC
• Feature: Kraken orderbook checksum support in Kraken
• Feature: KrakenFutures sequence number check added
• Feature: Add optional caching to postgres backend
• Feature: New Exchange - Binance Delivery
• Feature: Liquidation for OKEX
• Bugfix: Adjust ping interval on websocket connection, some exchanges require pings more frequently
• Feature: Checksum validation for orderbooks on OKEX and OKCoin
• Feature: Use rotating log handler
• Bugfix: Later versions of aiokafka break kafka backend
• Bugfix: Huobi sends empty book updates for delisted pairs
• Bugfix: Harden channel map usage in Kraken
• Feature: Config file support
• Bugfix: Subscribing to all BitMEX symbols gives 400 error - message too long
• Bugfix: Cleanup of code - fixed a few examples and resolved all outstanding flake8 issues
• Bugfix: Fix Bitfinex pair normalization
• Feature: Refactor connection handling. New connection design allows feeds to open multiple connections
• Feature: Update BitMax to use the new BitMax Pro API - includes sequence number verification on books
• Feature: Bybit - support for USDT perpetual data channels
• Feature: Can now configure more than 25 Bitfinex pair/channel combinations
• Feature: Support more than 200 pair/stream combinations on Binance from a single Feed
• Feature: Support for the bitFlyer exchange
• Feature: Update Kraken to work with very large numbers of trading pairs

1.6.1 (2020-11-12)

• Feature: New kwarg for exchange feed - snapshot_interval - used to control number of snapshot updates sent to client
• Feature: Support for rabbitmq message routing
• Feature: Support for raw file playback. Will be useful for testing features and building out new test suites for cryptofeed.
• Feature: Arctic library quota can be configured, new default is unlimited
• Feature: New exchange: Probit
• Bugfix: Correctly store receipt timestamp in mongo backend
• Bugfix: FTX - set a funding rate requests limit constant (10 requests per second, 60 seconds pause between loops)
• Bugfix: Open Interest data on FTX erroneously had timestamps set to None
• Update: Binance Jersey shutdown - feed removed
• Bugfix: Fixed open interest channel for Binance Delivery

1.6.0 (2020-09-28)

• Feature: Validate FTX book checksums (optionally enabled)
• Bugfix: Subscribing only to open interest on Binance futures gave connection errors
• Feature: Authentication for Influxdb 1.x
• Feature: Override logging defaults with environment variables (filename and log level)
• Bugfix: For Coinbase L3 books need to ignore/drop some change updates (per docs)
• Bugfix: Obey rate limits when using Coinbase REST API to get L3 book snapshots
• Bugfix: Ignore auction updates from Gemini
• Feature: Add order type (limit/market) for Kraken Trades
• Feature: Exchange specific information available via info classmethod - contains pairs, data channels and tick size
• Feature: Funding data supported on HuobiSwap
• Bugfix: Fix broken mongo callbacks in backends

1.5.1 (2020-08-26)

• Bugfix: #136 - Kraken Rate limiting
• Feature: Funding data on Binance Futures
• Bugfix: Support new Huobi tradeId field, old id field deprecated
• Bugfix: Unclear errors when unsupported data feeds used
• Bugfix: Handle order status messages more gracefully in Coinbase
• Bugfix: Fix Kraken pair mappings
• Feature: New Exchange - Gate.io
• Feature: Remove _SWAP, _FUTURE channel (and callback) types - determine correct type at subscribe time based on symbol
• Docs: Add documentation about callbacks
• Feature: Deribit provides sequence number for book updates - check them to ensure no messages lost
• Bugfix: Fix timestamp on Binance Futures Open Interest
• Bugfix: Update/standardize liquidation callbacks
• Feature: Update Upbit subscription methods based on updated docs
• Bugfix: Ticker not working correctly on Binance Futures
• Feature: Liquidations callbacks for backends

1.5.0 (2020-07-31)

• Feature: New Exchange - FTX US
• Feature: Add funding data to rest library
• Bugfix: DSX updated their API, websocket no longer supported. Removing DSX
• Feature: Websocket client now uses unbounded message queue
• Feature: Support for HuobiDM next quarter contracts
• Bugfix: Fix datetime fields in elasticsearch
• Feature: BinanceFutures: support ticker, open interest and Liquidation, FTX: support open interest and liquidations, Deribit: liquidations support
• Bugfix: Fix receipt timestamps in Postgres backend
• Bugfix: Huobi Swap Init

1.4.1 (2020-05-22)

• Feature: Support for disabling timeouts on feeds
• Bugfix: #224 Ignore newly added trading pairs in Poloniex while running
• Feature: New exchange, DSX
• Bugfix: Bybit updated their API, websocket subscription to L2 book data needed to be updated
• Bugfix: Deribit subscription condensed into a single message to avoid issues with rate limit
• Bugfix: Funding interval for bitmex not converted to integer
• Bugfix: HuobiSwap missing from feedhandler
• Feature: Optional flag on Feed to enable check for crossed books
• Feature: Blockchain Exchange

1.3.1 (2020-03-17)

• Feature: Add missing update detection to orderbooks in Binance
• Feature: REST support for FTX
• Feature: Added new field, receipt timestamp, to all callbacks. This contains the time the message was received by cryptofeed.
• Feature: Upbit Exchange Support

1.3.0 (2020-02-11)

• Bugfix: Enabling multiple symbols on Bitmex with deltas and max depth configured could cause crashes.
• Bugfix: Default open interest callback missing
• Change: Mongo backend stores book data in BSON
• Feature: Open Interest callbacks added to all backends
• Change: Instrument removed in favor of open interest
• Bugfix: Huobi feedhandlers not properly setting forced indicator for book updates, breaking deltas
• Bugfix: Some Kraken futures funding fields not always populated
• Feature: Open interest updates for Kraken futures
• Feature: Open interest updates for Deribit
• Bugfix: FTX ticker can have Nones for bid/ask
• Feature: InfluxDB 2.0 support
• Bugfix: Deribit funding only available on perpetuals
• Feature: Enable deltas (with out max depth) on exchanges that do not support them

1.2.0 (2020-01-18)

• Feature: New exchange: Binance Futures
• Feature: New Exchange: Binance Jersey
• Feature: Funding data on Kraken Futures
• Feature: User defined pair separator (default still -)
• Feature: Postgres backend
• Feature: Deribit Funding
• Bugfix: Deribit subscriptions using config subscribed to symbols incorrectly
• Bugfix: Some RabbitMQ messages were missing symbol and exchange data
• Feature: Open interest data for OKEX swaps

1.1.0 (2019-11-14)

• Feature: User enabled logging of exchange messages on error
• Refactor: Overhaul of backends - new base classes and simplified code
• Bugfix: Handle i messages from poloniex more correctly
• Bugfix: Report bittrex errors correctly
• Feature: New exchange: Bitcoin.com
• Feature: New exchange: BinanceUS
• Feature: New exchange: Bitmax
• Feature: Ability to store raw messages from exchanges

1.0.1 (2019-09-30)

• Feature: Backfill Bitmex historical trade data from S3 Bucket
• Feature: RabbitMQ backend
• Feature: Custom Depth and deltas for all L2 book updates
• Feature: Support new 100ms book diff channel on Binance
• Feature: Bittrex exchange support
• Feature: Ticker support in Redis and Kafka Backends
• Feature: Ticker callbacks require/contain timestamp
• Feature: Renko Aggregation
• Bugfix: Max Depth without deltas should only send updates when book changes
• Bugfix: Update count and previous book now associated with pair

1.0.0 (2019-08-18)

• Bugfix #113: Fix remaining exchanges who are not reporting timestamps correctly
• Feature: Generated timestamps now based on message receipt by feedhandler
• Feature: Multi-callback support
• Feature: Rework ZMQ using pub/sub with topics
• Feature: FTX Exchange
• Feature: Gemini subscriptions now work like all other exchanges
• Feature: Use unique id for each feed (as opposed to feed id/name)
• Bugfix: fix Poloniex historical trade timestamps
• Bugfix: Bitmex L2 channel incorrectly classified
• Feature: Kraken Futures
• Feature: Redis backend supports UDS
• Feature: Binance full book (L2) with deltas
• Feature: Allow user to start event loop themselves (potentially scheduling other tasks before/after).

0.25.0 (2019-07-06)

• Feature: Rest Endpoints for Historical Deribit data
• Feature: Specify numeric datatype for InfluxDB
• Bugfix: Greatly improve performance of book writes for InfluxDB
• Feature: Bybit exchange support
• Bugfix: Deribit now returning floats in decimal.Decimal
• Feature: Elastic Search backend

0.24.0 (2019-06-19)

• Bugfix: Book Delta Conversion issue in backends
• Bugfix: Tweak BitMEX rest API to handle more errors more gracefully
• Feature: Deribit Exchange support
• Feature: Instrument channel
• Bugfix: support Kraken websocket API changes
• Bugfix: correct USDT symbol mappings for Bitfinex
• Bugfix: Fixed mongo book backend
• Feature: Book delta support for mongo, sockets, ZMQ

0.23.0 (2019-06-03)

• Feature: Book delta support for InfluxDB
• Feature: Swaps on OkEX

0.22.2 (2019-05-23)

• Bugfix: Fix tagging issue in InfluxDB
• Bugfix: Fix book updates in InfluxDB
• Feature: Book delta support in Redis backends
• Feature: Book delta support in Kafka backend

0.22.1 (2019-05-19)

• Feature: Cleanup callback code
• Feature: Poloniex subscription now behaves like other exchanges
• Feature: Kafka Backend

0.22.0 (2019-05-04)

• Bugfix: Timestamp normalization for backends were losing subsecond fidelity
• Feature: All exchanges report timestamps in floating point unix time
• Bugfix: Implement change in OkEx's trading pair endpoint for pair generation

0.21.1 (2019-04-28)

• Feature: Config support for Coinbene, Binance, EXX, BitMEX, Bitfinex, Bitstamp, HitBTC
• Feature: Complete clean up of public REST endpoints
• Feature: Improved book delta example
• Feature: Bitstamp Websocket V2 - L3 books now supported
• Bugfix: Incorrect book building in Kraken

0.21.0 (2019-04-07)

• Bugfix: Coinbase L3 Book would get in cycle of reconnecting due to missing sequence numbers
• Feature: Kraken L2 Book Deltas
• Feature: Book deltas streamlined and retain ordering
• Feature: OKCoin exchange support
• Feature: OKEx exchange support
• Feature: Coinbene exchange support
• Feature: Support Huobi Global and Huobi USA

0.20.2 (2019-03-19)

• Bugfix: Kraken REST API using wrong symbol for trades
• Feature: Complete work on standardizing Bitfinex rest API
• Bugfix: Allow index symbols on Bitmex

0.20.1 (2019-02-16)

• Feature: Trades sides are now labeled as Buy / Sell instead of Bid / Ask.
• Feature: Support for the Huobi exchange
• Bugfix: Change how exchange pairs are mapped for REST module - only map exchanges that are used
• Bugfix #67: Ensure all trades report the taker's side

0.20.0 (2019-02-04)

• Feature #57: Write updates directly to MongoDB via new backend support
• Feature #56: Experimental support for fine grained configuration per exchange
• Feature #58: Support Kraken websocket API
• Feature: Only generate trading pair conversions for configured exchanges
• Feature: Historical trade data on REST API for Kraken

0.19.2 (2019-01-21)

• Feature #55: OHLCV aggregation method in backends plus support for user defined aggregators
• Feature: EXX exchange support

0.19.1 (2019-01-11)

• Bugfix: Poloniex logging had bug that prevented reconnect on missing sequence number

0.19.0 (2019-01-10)

• Feature #50: Support multiple streams per websocket connection on Binance
• Bugfix #51: Fix pairs on streams in Binance

0.18.0 (2018-12-15)

• Feature: InfluxDB support via backend
• Feature: Aggregation backend wrappers
• Bugfix: BookDelta callback no longer needs to be an instance of BookUpdateCallback
• Bugfix: REST module was creating duplicate log handlers
• Bugfix: Bitfinex REST now properly handles cases when there are more than 1000 updates for a single tick

0.17.4 (2018-11-17)

• README change for long description rendering issue

0.17.3 (2018-11-17)

• Feature #41: Rework trading pairs to generate them dynamically (as opposed to hard coded)
• Feature: When book depth configured Redis, ZMQ and UDP backends only report book changes when changed occurred in depth window
• Feature: TCP socket backend support
• Feature: UDS backend support

0.17.2 (2018-11-03)

• Bugfix #45: Bitstamp prices and sizes in L2 book are string, not decimal.Decimal
• Feature: Binance support

0.17.1 (2018-10-19)

• Bugfix #43: Coinbase L2 book used "0" rather than 0 for comparisons against decimal.Decimal
• Feature: REST feed market data supported via normal subscription methods
• Feature: Kraken support
• Bugfix: Bitfinex book timestamps match expected Bitfinex timestamps (in ms)

0.17.0 (2018-10-13)

• Feature: Timestamps for orderbooks and book deltas
• Feature #40: NBBO now uses best bid/ask from L2 books
• Feature #28: GDAX now renamed Coinbase and uses Coinbase endpoints
• Feature: ZeroMQ backend. Write updates directly to ZMQ connection
• Feature: UDP Socket backend. Write updates directly to UDP socket

0.16.0 (2018-10-4)

• Feature: L2 books are now all price aggregated amounts, L3 books are price aggregated orders
• Book deltas supported on all feeds
• Bugfix: Fix NBBO feed

0.15.0 (2018-09-29)

• Feature: GDAX/Coinbase rest support - trades, order status, etc
• Feature: Arctic backend, supports writing to arctic directly on trade/funding updates
• Bugfix: #36 Update poloniex to use new trading pairs and handle sequence numbers
• Bugfix: Improve Bitfinex orderbooks and handle sequence numbers
• Bugfix: GDAX and Bitmex orderbook and logging improvements

0.14.1 (2018-09-14)

• Added some docstrings
• Feature: Add exchanges by name to feedhandler. Easier to instantiate a feedhandler from config
• Logging improvements
• Bugfix: non-gathered futures were suppressing exceptions when multiple feeds are configured. Changed to tasks
• Redis backend uses a connection pool

0.14.0 (2018-09-04)

• Feature: support for writing order books directly to Redis
• Feature: ability to specify book depth for Redis updates

0.13.3 (2018-08-31)

• Feature: normalize Bitfinex funding symbols

0.13.2 (2018-08-31)

• Bugfix: fix symbol in Bitfinex rest

0.13.1 (2018-08-31)

• Feature: access rest endpoints via getitem / []
• Bugfix: #31 - funding channel broke Gemini
• Feature: Book deltas for GDAX
• Bugfix: Fix intervals on Bitmex (rest)

0.13.0 (2018-08-22)

• Feature: Funding data from Bitmex on ws
• Feature: Funding historical data via rest
• Bugfix: Python 3.7 compatibility
• Feature: Rest trade APIs are now generators
• Feature: funding data on Bitfinex - ws and rest

0.12.0 (2018-08-20)

• Bugfix: Handle 429s in Bitmex (REST)
• Feature: Redis backend for trades to write updates directly to Redis
• Bugfix: issue #27 - Bitmex trades missing timestamps

0.11.1 (2018-08-18)

• Bitfinex and Bitmex historical trade data via REST
• Bugfix: interval incorrect for rest time ranges
• Bugfix: lowercase attrs in Rest interface

0.11.0 (2018-08-05)

• Feature: Support for delta updates for order books
• REST API work started

0.10.2

• Bugfix: Clear data structures on reconnect in bitmex
• Feature: Support reconnecting on more connection errors
• Feature: Timestamp support on trade feeds
• Feature: Connection watcher will terminate and re-open idle connections

0.10.1 (2018-5-11)

• Feature: Reconnect when a connection is lost
• Bugfix #22: Check for additional connection failures
• Feature #4: Trade ID support
• Feature: Account for new Gemini message type

0.10.0 (2018-03-18)

• Feature: Bitmex

0.9.2 (2018-03-13)

• Bugfix #10: Change from float to decimal.Decimal in GDAX
• Feature #5: use sorted dictionaries for order books
• Feature #17: logging support
• Bugfix: Gemini order books now work
• Bugfix: All json floats parsed to Decimal
• Bugfix: Fix Bitstamp pair parsing
• Feature: Major clean up of channel, exchange, and trading pair names

0.9.1 (2018-01-27)

• Bugfix #4: produce ticker from trades channel on GDAX
• Feature: Bitstamp feed

0.8.0 (2018-01-07)

• Feature: HitBTC feed
• Feature: Poloniex Orderbook support

0.6.0 (2018-01-02)

• Feature: Gemini Feed

0.5.0 (2018-01-02)

• Initial release: GDAX, Poloniex, Bitfinex Support
• Feature: NBBO support