## Fixes - Fixed back-test concurrent read/write map issue - Fixed back-test go routine initialization - Fixed trade notification format - remove trade trailing zero digits - Fixed dockerfile - Fixed back-test kline sync issue ## Refactoring - Refactored and fixed depth buffer ## Strategy - Added rebalance strategy ## Features - Added prometheus metrics support - Added kucoin exchange support - Added bookTicker support to binance, okex, ftx - Integrated net asset value recording table in db