exchanges: Add Kucoin support (#1102)

* init

* updates config

* wrapper configuration

* updates exchange readme

* adds SendAuthHTTPRequest and SendHTTPRequest

* adds ratelimit file

* adds test case and minor fixes

* improve error handling

* update testcases and improve GetSymbols API

* adds SPOT API's

* minor fix

* WIP

* WIP

* adds test case

* adds check in test case

* fixes in Auth. HTTP

* improvements

* adds trade, kline support and testcases

* adds SPOT API and testcases for same

* adds SPOT API and testcases

* adds SPOT API and testcase

* WIP

* adds API's

* adds API's

* adds test cases

* adds comment to exported data types

* adds API and test cases

* adds API

* adds API

* rearrange functions

* WIP: adds API

* adds API for Post Order SPOT

* adds API and few fixes

* fixes

* WIP

* WIP

* add PostBulkOrder API and its test case

* fix issues

* adds cancel order APIs and test cases for same

* add minor test fixes

* add API

* adds API

* fixes

* add API

* adds API and test cases

* fix test

* adds API

* adds test

* fix test

* adds API and test

* adds deposit API and test cases

* WIP

* adds API and test cases

* WIP

* WIP

* add public future API and test cases

* WIP

* remove v2 API and replace them with v1

* update test cases

* adds future order API and test cases

* adds futures order API

* adds API

* add API and test cases

* adds API and test cases

* adds API and test cases

* adds API and test cases

* Adding wrapper functions

* Fix on wrapper function

* Adding websocket support

* Complete addressing WS push datas

* Adding spot push data unit tests

* adding futures websocket push data handlers

* Adding futures websocket push data handlers

* Added unit tests

* Updating unit tests

* Updating wrapper and unit test functions

* Adding missing wrapper functions and code cleaning up

* Resolved linter issues

* Fixing websocket issues

* Fixing websocket issues

* Slight fix on config_example file

* Minor update

* Basic nits updates

* Fix minor linter issues

* Minor update

* Minor unit test update

* Minor unit test update

* Code update and linter issues fix

* Removed unnecessary type conversion codes

* Monor update based on review comment

* Fix based on review comments

* Adding rate-limiter

* Websocket update and overall minor fixes

* Removed IsAssetTypeEnabled method implementation

* Fix connection and formatting issues

* Updating orderbook issues

* Very minor label fix

* Minor error returning fix

* code cleaning up and minor spelling fix

* Updates on unit test

* Update on unit tests and slight code structure

* unit test update

* orderbook update and minor fix

* fix on race

* Mini linter fix

* fix minor parameter and unit test issues

* handler funcs and models update

* Fixing websocket and unit test issues

* order side string for active orders

* Fix on websocket and unit tests

* Minor type changes

* Minor Orderbook fix and unit test update

* Small fix on orderbook

* Updating orderbook functionality

* FIx on websocket orderbook handlers

* Small update on kucoin websocket

* fix missed review comments

* fix based on review comments

* Updating websocket orderbook and fixing unit tests

* Minor fixes

* unit test update

* Updating unit test according to enabled asset type

* toggle canManipulateRealOrders const

* Unit test update

* Fix minor issues

* minor fix

* documentation fix

* wrapper coverage and unused params fix

* testing and minor changes

* documentation, websocket and unit test update

* minor linter fix

* Websocket spot/margin subscription update

* minor ticker update fix

* minor fixes on endpoints

* timestamp and number convert method and unit tests

* timestamp convert minor update

* minor type and conversion fix

* create a common timestamp convert and fix minor issues

* linter and ticker fix

* Updating unit tests and order placing endpoint methods

* Added a pairs check

* Fix config test error

* rm unused error variable

* Fix source of linter issue

* code update: convert, wrapper and websocket fix

* minor code update

* Websocket code and unit tests update

* Websocket ticker ask/bid type change and small error msg fix

* docs update

* fix: websocket orderbook handling

* change orderbook channel to marketOrderbookLevel2Channels and fix websocket orderbook update

* Minor func rename and reciever change

* Minor orderbook unit test issue fix

* comment: about why we used a random delimiter '-' for futures

* update config files and FetchTradablePair func for futures pairs

* futures config pairs update

* remove ConnextionMonitorDelay from websocket setup

* fix on types and futures pair conversion

* updating config pairs

* change NewPairFromString to DeriveFrom

* unit tests update

* unit tests update

* Added TickerBatching

* added GetStandardConfig to GetDefaultConfig

---------

Co-authored-by: Jaydeep Rajpurohit <jaydeeppurohit1996@gmail.com>

docs/ADD_NEW_EXCHANGE.md

@@ -215,6 +215,7 @@ Yes means supported, No means not yet implemented and NA means protocol unsuppor
 | Huobi.Pro | Yes | Yes | NA |
 | ItBit | Yes | NA | No |
 | Kraken | Yes | Yes | NA |
+| Kucoin | Yes | Yes | No |
 | Lbank | Yes | No | NA |
 | Okcoin | Yes | Yes | No |
 | Okx | Yes | Yes | NA |
@@ -245,6 +246,7 @@ var Exchanges = []string{
 	"huobi",
 	"itbit",
 	"kraken",
+	"kucoin",
 	"lbank",
 	"okcoin",
 	"okx",

docs/MULTICHAIN_TRANSFER_SUPPORT.md

@@ -63,6 +63,7 @@ $ ./gctcli withdrawcryptofunds --exchange=binance --currency=USDT --address=TJU9
 | Huobi.Pro | Yes | Yes | |
 | ItBit | No | No | |
 | Kraken | Yes | Yes | Front-end and API don't match total available transfer chains |
+| Kucoin |  Yes | Yes | |
 | Lbank | No | No | |
 | Okcoin | Yes | Yes | |
 | Okx | Yes | Yes | |

docs/OHLCV.md

@@ -84,7 +84,8 @@ A helper tool [cmd/dbseed](../cmd/dbseed/README.md) has been created for assisti
 | HitBTC         | Y           |     
 | Huobi          | Y           |      
 | itBIT          |             |          
-| Kraken         | Y           |                 
+| Kraken         | Y           |
+| Kucoin         | Y           |                 
 | lBank          | Y           |                
 | Okcoin         | Y           |  
 | Okx            | Y           |