* Result types:
* (Web)CallResult types are replaced by HttpResult, WebSocketResult and QueryResult with the same logic
* Updated result types to record type
* Result creation can be done with (Http/WebSocket/Query)Result.Ok(..) and .Fail(..)
* Removed implicit result type conversion to bool, `if (result)` no longer works, instead use `if (result.Success)`
* Replaced CallResult.SuccessResult with CallResult.Ok()
* Fixed result object nullability hinting, for example Data might be null if Success isn't checked for true
* Parameters & serialization:
* Added support for `enabled` and `disabled` strings to bool converter
* Removed ParameterCollection type, has been replaced by Parameters type
* Removed ArraySerialization, OrderParameters and ParameterOrderComparer properties from RestApiClient, moved to ParameterSerializationsSettings
* Updated RestRequestConfiguration in AuthenticationProvider.ProcessRequest to contain the full RequestDefinition instead of copied fields
* Clients:
* Updated Api client constructor logging parameter from ILogger to ILoggerFactory?
* Added Api client constructor exchange name parameter
* Added ToString overrides on base API types
* Added Exchange property on BaseApiClient
* Added ApiCredentials property on IRestApiClient and ISocketApiClient interfaces
* Updated ILogger source from client name to topic specific client name
* Removed logging from client creation
* Fixed BaseRestClient SetApiCredentials not marked as virtual
* Rest:
* Added BaseAddress to RequestDefinition object
* Updated RestApiClient AuthenticationProvider logic from private to protected and virtual
* Removed RestApiClient.SendAsync baseAddress parameter removed
* Removed RestApiClient.SendAsync without type parameter
* WebSocket:
* Updated MessageRouting definition into CreateForEvent for subscriptions and CreateForQuery for queries
* Improved Query type safety with CeateForQuery which allows second parameter for specifying the result type
* Renamed MessageRouter.CreateWithoutHandler to CreateVoid
* Updated SocketApiClient.GetSocketConnection to check connection uri instead of Tag for finding compatible connections
* Removed unused UnhandledMessageExpected property SocketApiClient
* Fixed issue in SocketApiClient.GetSocketConnection causing requests to always wait the full max 10 seconds when there was a reconnecting socket
* Shared APIs:
* Updated Option definitions to always require the exchange name as first parameter
* Added missing dedicated option types
* Added Discover method on ISharedClient interface, returning info on supported capabilities and operations
* Added SharedRequest GetParamValue helper method accepting multiple parameter names
* Added ResetStaticExchangeParameters method on ExchangeParameters
* Added Status property to SharedWithdrawal model
* Added TradingModes property to SharedBalance model
* Updated ExchangeSymbolCache to support multiple environments and additional key separation
* Updated Shared ExchangeParameters parameter names to be case insensitive
* Updated code comments
* Replaced ExchangeResult with ExchangeCallResult type
* Removed AsExchangeResult/ExchangeWebResult
* Removed TradingMode from the response model, only maintained on models where it makes sense
* Removed IListenKey support, listen keys now rely on internal management with TokenManager
* Rate limiting:
* Fixed websocket connection attempts counting towards rate limit even when server could not be reached
* Removed host from rate limit methods, now part of the already provided RequestDefinition
* Added amount parameter to RateLimit Reset method to allow partially resetting the limit
* Added TokenManager implementation for automatic listenkey/token management
* Added UserClientProvider base class
* Added async streaming on UserDataTracker items with StreamUpdatesAsync
* Added cancellation token support to UserDataTracker starting
* Added Unit type for non-result types
* Added ServerError constructor taking ErrorType and message to make it easier to create
* Added SupportedEnvironments property to PlatformInfo
* Updated SymbolOrderBook DoResyncAsync to return CallResult instead of CallResult<bool> which was redundant
* Various small performance improvements
Updated API credential logic, exchange implementation are expected to provide their own credentials implementation with ApiCredentials as base class
Removed ApiCredentials implementation used by most exchanges
Removed ApiCredentialsType Enum
Added CredentialSet base class and implementations for defining different API credentials
Added optional type param to AuthenticationProvider for the specific API credential type to improve type safety
Moved AuthenticationProvider/ApiCredentials from BaseApiClient to RestApiClient/SocketApiClient base classes
Added optional type params to RestApiClient/SocketApiClient base class to specify the AuthenticationProvider type and credentials type to improve type safety
Moved SetOptions/SetApiCredentials from BaseApiClient to RestApiClient/SocketApiClient
Extracted LibraryOptions<TRestOptions, TSocketOptions, TEnvironment> without TApiCredentials for libraries without API credentials
Removed ApiCredentials from ApiOptions, credentials can only be configured at library, rest or socket level
Added EnvironmentName to RestApiClient/SocketApiClient property
Added Unknown enum value to Shared interfaces SharedOrderStatus, SharedTransferStatus and SharedTriggerOrderStatus enums
Updated Enum converter to map value to an undefined Enum value instead of the first Enum value
Added support for checking for missing fields on RestIntegrationTest
Added BytesToHexString and HexToBytesString to ExchangeHelpers static class
Fixed bug where WebSocket connections are not reconnected when configuring Proxy with SetUpdates
Removed legacy CryptoBaseClient, CryptoRestClient and CryptoSocketClient
Updated time sync / time offset management for REST API's
Added time offset tracking for WebSocket API's
Added GetAuthenticationQuery virtual method on AuthenticationProvider
Updated AuthenticationProvider GetTimestamp methods to include a one second offset by default
Added AuthenticationProvider GetTimestamp methods for SocketApiClient instances
Added ClientName property on BaseApiClient, resolving to the type name
Added ObjectOrArrayConverter JsonConverterFactory implementation for resolving json data which might be returned as object or array
Added UpdateServerTime, UpdateLocalTime and DataAge properties to (I)SymbolOrderBook
Added OutputToConsoleAsync method to (I)SymbolOrderBook
Updated SymbolOrderBook string representation
Added DataTimeLocal and DataAge properties to DataEvent object
Added SocketConnection parameter to subscription HandleSubQueryResponse and HandleUnsubQueryResponse methods
Performance update:
Authentication
Added Ed25519 signing support for NET8.0 and newer
Added static methods on ApiCredentials to create credentials of a specific type
Added static ApiCredentials.ReadFromFile method to read a key from file
Added required abstract SupportedCredentialTypes property on AuthenticationProvider base class
General Performance
Added checks before logging statements to prevent overhead of building the log string if logging is not needed
Added ExchangeHelpers.ProcessQueuedAsync method to process updates async
Replaced locking object types from object to Lock in NET9.0 and newer
Replaced some Task response types with ValueTask to prevent allocation overhead on hot paths
Updated Json ArrayConverter to reduce some allocation overhead
Updated Json BoolConverter to prevent boxing
Updated Json DateTimeConverter to prevent boxing
Updated Json EnumConverter caching to reduce lookup overhead
Updated ExtensionMethods.CreateParamString to reduce allocations
Updated ExtensionMethods.AppendPath to reduce overhead
REST
Refactored REST message processing to separate IRestMessageHandler instance
Split RestApiClient.PrepareAsync into CheckTimeSync and RateLimitAsync
Updated IRequest.Accept type from string to MediaTypeWithQualityHeaderValue to prevent creation on each request
Updated IRequest.GetHeaders response type from KeyValuePair<string, string[]>[] to HttpRequestHeaders to prevent additional mapping
Updated IResponse.ResponseHeaders type from KeyValuePair<string, string[]>[] to HttpResponseHeaders to prevent additional mapping
Updated WebCallResult RequestHeaders and ResponseHeaders types to HttpRequestHeaders and HttpResponseHeaders
Removed unnecessary empty dictionary initializations for each request
Removed CallResult creation in internal methods to prevent having to create multiple versions for different result types
Socket
Added HighPerformance websocket client implementation which significantly reduces memory overhead and improves speed but with certain limitations
Added MaxIndividualSubscriptionsPerConnection setting in SocketApiClient to limit the number of individual stream subscriptions on a connection
Added SocketIndividualSubscriptionCombineTarget option to set the target number of individual stream subscriptions per connection
Added new websocket message handling logic which is faster and reduces memory allocation
Added UseUpdatedDeserialization option to toggle between updated deserialization and old deserialization
Added Exchange property to DataEvent to prevent additional mapping overhead for Shared apis
Refactored message callback to be sync instead of async to prevent async overhead
Refactored CryptoExchangeWebSocketClient.IncomingKbps calculation to significantly reduce overhead
Moved websocket client creation from SocketApiClient to SocketConnection
Removed DataEvent.As and DataEvent.ToCallResult methods in favor of single ToType method
Removed DataEvent creation on lower levels to prevent having to create multiple versions for different result types
Removed Subscription<TSubResponse, TUnsubResponse> as its no longer used
Other
Added null check to ParameterCollection for required parameters
Added Net10.0 target framework
Updated dependency versions
Updated Shared asset aliases check to be culture invariant
Updated Error string representation
Updated some namespaces
Updated SymbolOrderBook processing of buffered updates to prevent additional allocation
Removed ExchangeEvent type which is no longer needed
Removed unused usings
Added LibraryHelpers.CreateHttpClientMessageHandle to standardize HttpMessageHandler creation
Added REST client option for selecting HTTP protocol version
Added REST client option for HTTP client keep alive interval
Added HttpVersion to WebCallResult responses
Updated request logic to default to using HTTP version 2.0 for dotnet core
* Added support for Native AOT compilation
* Updated all IEnumerable response types to array response types
* Added Pass support for ApiCredentials, removing the need for most implementations to add their own ApiCredentials type
* Added KeepAliveTimeout setting setting ping frame timeouts for SocketApiClient
* Added IBookTickerRestClient Shared interface for requesting book tickers
* Added ISpotTriggerOrderRestClient Shared interface for managing spot trigger orders
* Added ISpotOrderClientIdClient Shared interface for managing spot orders by client order id
* Added IFuturesTriggerOrderRestClient Shared interface for managing futures trigger orders
* Added IFuturesOrderClientIdClient Shared interface for managing futures orders by client order id
* Added IFuturesTpSlRestClient Shared interface for setting TP/SL on open futures positions
* Added GenerateClientOrderId to ISpotOrderRestClient and IFuturesOrderRestClient interface
* Added OptionalExchangeParameters and Supported properties to EndpointOptions
* Refactor Shared interfaces quantity parameters and properties to use SharedQuantity
* Added SharedSymbol property to Shared interface models returning a symbol
* Added TriggerPrice, IsTriggerOrder, TakeProfitPrice, StopLossPrice and IsCloseOrder to SharedFuturesOrder response model
* Added MaxShortLeverage and MaxLongLeverage to SharedFuturesSymbol response model
* Added StopLossPrice and TakeProfitPrice to SharedPosition response model
* Added TriggerPrice and IsTriggerOrder to SharedSpotOrder response model
* Added QuoteVolume property to SharedSpotTicker response model
* Added AssetAlias configuration models
* Added static ExchangeSymbolCache for tracking symbol information from exchanges
* Added static CallResult.SuccessResult to be used instead of constructing success CallResult instance
* Added static ApplyRules, RandomHexString and RandomLong helper methods to ExchangeHelpers class
* Added AsErrorWithData To CallResult
* Added OriginalData property to CallResult
* Added support for adjusting the rate limit key per call, allowing for ratelimiting depending on request parameters
* Added implementation for integration testing ISymbolOrderBook instances
* Added implementation for integration testing socket subscriptions
* Added implementation for testing socket queries
* Updated request cancellation logging to Debug level
* Updated logging SourceContext to include the client type
* Updated some logging logic, errors no longer contain any data, exception are not logged as string but instead forwarded to structured logging
* Fixed warning for Enum parsing throwing exception and output warnings for each object in a response to only once to prevent slowing down execution
* Fixed memory leak in AsyncAutoRestEvent
* Fixed logging for ping frame timeout
* Fixed warning getting logged when user stops SymbolOrderBook instance
* Fixed socket client `UnsubscribeAll` not unsubscribing dedicated connections
* Fixed memory leak in Rest client cache
* Fixed integers bigger than int16 not getting correctly parsed to enums
* Fixed issue where the default options were overridden when using SetApiCredentials
* Removed Newtonsoft.Json dependency
* Removed legacy Rest client code
* Removed legacy ISpotClient and IFuturesClient support
Added SetOptions method to update client settings
Added SocketConnection parameter to PeriodicQuery callback
Added setting of DefaultProxyCredentials on HttpClient instance when client is not provided by DI
Added support for overriding request time out per request
Changed max wait time for close handshake response from 5 seconds to 1 second
Fixed exception in trade tracker when there is no data in the initial snapshot
Jkorf