diff --git a/README.md b/README.md
index 89db5dec..5cde37e7 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Run Arke with this command
 ```yaml
 log_level: INFO
 accounts:
-- id: 1
+- id: example-account1
   driver: rubykube
   debug: false
   host: "https://example.com"
@@ -25,18 +25,17 @@ accounts:
   secret: ""
   delay: 0.75
 
-- id: 2
+- id: example-account2
   driver: rubykube
   debug: false
   host: "https://example.com"
   ws: "wss://example.com"
   key: ""
   secret: ""
-  delay: 0.01
+  delay: 1
 
-- id: 3
+- id: binance-account
   driver: binance
-  host: "api.binance.com"
   key: ""
   secret: ""
   delay: 1
@@ -59,24 +58,14 @@ strategies:
     min_order_back_amount: 0.0002
 
   target:
-    account_id: 1
+    account_id: example-account1
     market:
       id: BTCUSDT
-      base: btc
-      quote: usdt
-      base_precision: 4
-      quote_precision: 4
-      min_ask_amount: 0.015
-      min_bid_amount: 0.015
 
   sources:
-  - account_id: 3
+  - account_id: binance-account
     market:
       id: BTCUSDT
-      base: BTC
-      quote: USDT
-      base_precision: 8
-      quote_precision: 8
 
 - id: BTCUSDT-micro
   type: microtrades
@@ -92,13 +81,9 @@ strategies:
     max_price: 230
 
   target:
-    account_id: 2
+    account_id: example-account2
     market:
       id: BTCUSDT
-      base: btc
-      quote: usdt
-      base_precision: 4
-      quote_precision: 4
 
 ```
 
@@ -106,7 +91,7 @@ strategies:
 
 | Field    | Description                                                  |
 | -------- | ------------------------------------------------------------ |
-| `id`     | ID identifying the account (have to be unique)               |
+| `id`     | ID identifying the account (must be unique)                  |
 | `driver` | Name of exchange driver (supported values are: `rubykube`, `binance`, `bitfinex`) |
 | `debug`  | Flag to extend logs verbosity, valid values are: `true` or `false` |
 | `host`   | Base URL of the exchange API                                 |
@@ -227,10 +212,6 @@ The spread applied on circuitbraker strategy should be lower than the spead used
 | Field                   | Description                                                  |
 | ----------------------- | ------------------------------------------------------------ |
 | `id`                    | ID of market                                                 |
-| `base`                  | Base currency of market                                      |
-| `quote`                 | Quote currency of market                                     |
-| `base_precision`        | Base precision of market                                     |
-| `quote_precision`       | Quote precision of market                                    |
 
 
 
diff --git a/bin/luno-fetch-markets-config b/bin/luno-fetch-markets-config
new file mode 100755
index 00000000..6f09cdbb
--- /dev/null
+++ b/bin/luno-fetch-markets-config
@@ -0,0 +1,21 @@
+#!/bin/ruby
+# frozen_string_literal: true
+
+require "pp"
+require "json"
+require "faraday"
+
+pairs = %w[XBTEUR XBTIDR ETHNGN ETHZAR XBTMYR XBTNGN ETHXBT XBTZAR XBTZMW XBTSGD XBTUGX BCHXBT]
+config = {}
+
+pairs.each do |pair|
+  raise "Can't deduce base/quote from #{pair}" if pair.size != 6
+
+  warn "fetching #{pair}"
+  response = Faraday.get "https://www.luno.com/ajax/1/market_params?pair=#{pair}"
+  config[pair] = JSON.parse(response.body)
+  config[pair]["base_unit"] = pair[0..2]
+  config[pair]["quote_unit"] = pair[3..5]
+end
+
+pp config
diff --git a/config/strategies.yml b/config/strategies.yml
index 21e33305..1a040998 100644
--- a/config/strategies.yml
+++ b/config/strategies.yml
@@ -1,4 +1,4 @@
-log_level: DEBUG
+log_level: INFO
 
 accounts:
 - id: demo
@@ -6,9 +6,9 @@ accounts:
   debug: false
   host: "https://demo.openware.com"
   ws: "wss://demo.openware.com"
-  key: "353886962a3b3a79"
-  secret: "36827b03603d94496518390737a30562"
-  delay: 3
+  key: "df6330db624fcc67"
+  secret: "c2ac593fd25281a4cbf9df6f88d700a0"
+  delay: 1
 
 - id: bitfaker
   driver: bitfaker
@@ -27,11 +27,11 @@ accounts:
   delay: 1
 
 strategies:
-- id: copy-FTHUSD
+- id: copy-ETHUSD
   type: copy
   debug: true
   enabled: true
-  period: 5
+  period: 30
   params:
     spread_bids: 0.003
     spread_asks: 0.003
@@ -44,21 +44,12 @@ strategies:
   target:
     account_id: demo
     market:
-      id: fthusd
-      base: fth
-      quote: usd
-      base_precision: 2
-      quote_precision: 2
-      min_bid_amount: 0.01
-      min_ask_amount: 0.01
+      - id: ethusd
+
   sources:
   - account_id: binance
     market:
-      id: ETHUSDT
-      base: ETH
-      quote: USDT
-      min_bid_amount: 0.01
-      min_ask_amount: 0.01
+      - id: ETHUSDT
 
 - id: microtrades-FTHUSD
   type: microtrades
@@ -72,11 +63,4 @@ strategies:
     max_amount: 0.30
   target:
       account_id: demo
-      market:
-        id: fthusd
-        base: fth
-        quote: usd
-        base_precision: 2
-        quote_precision: 2
-        min_ask_amount: 0.01
-        min_bid_amount: 0.01
+      market: { id: ethusd }
diff --git a/lib/arke/action_executor.rb b/lib/arke/action_executor.rb
index 7ce91688..fcaca0e9 100644
--- a/lib/arke/action_executor.rb
+++ b/lib/arke/action_executor.rb
@@ -83,9 +83,9 @@ def schedule(action)
         execute do
           order = action.params[:order]
           logger.info { "ACCOUNT:#{id} #{CREATING} #{colored_side(order.side)} order: #{action.params}" }
-          price = apply_precision(order.price, action.destination.quote_precision)
-          amount = apply_precision(order.amount, action.destination.base_precision.to_f,
-                                   order.side == :sell ? action.destination.min_ask_amount.to_f : action.destination.min_bid_amount.to_f)
+          price = apply_precision(order.price, action.destination.price_precision)
+          amount = apply_precision(order.amount, action.destination.amount_precision.to_f,
+                                   order.side == :sell ? action.destination.min_amount.to_f : action.destination.min_amount.to_f)
           begin
             order = Arke::Order.new(order.market, price, amount, order.side)
             action.destination.account.create_order(order)
diff --git a/lib/arke/exchange/base.rb b/lib/arke/exchange/base.rb
index a3e5c874..3242fa27 100644
--- a/lib/arke/exchange/base.rb
+++ b/lib/arke/exchange/base.rb
@@ -195,6 +195,10 @@ def balance(currency)
       @balances.find {|b| b["currency"].casecmp?(currency) }
     end
 
+    def market_config(_market)
+      raise "#{self.class} doesn't support market_config"
+    end
+
     def build_query(params)
       params.keys.sort.map {|k| "#{Faraday::Utils.escape(k)}=#{Faraday::Utils.escape(params[k])}" }.join("&")
     end
diff --git a/lib/arke/exchange/binance.rb b/lib/arke/exchange/binance.rb
index 9d23ff0e..0d060432 100644
--- a/lib/arke/exchange/binance.rb
+++ b/lib/arke/exchange/binance.rb
@@ -11,7 +11,7 @@ def initialize(opts)
       @client = ::Binance::Client::REST.new(api_key: @api_key, secret_key: @secret, adapter: @adapter)
       @min_notional = {}
       @min_quantity = {}
-      @base_precision = {}
+      @amount_precision = {}
       @markets = opts["markets"]
     end
 
@@ -102,13 +102,13 @@ def markets
 
     def get_amount(order)
       min_notional = @min_notional[order.market] ||= get_min_notional(order.market)
-      base_precision = @base_precision[order.market] ||= get_base_precision(order.market)
+      amount_precision = @amount_precision[order.market] ||= get_amount_precision(order.market)
       percentage = 0.2
       notional = order.price * order.amount
       if notional > min_notional
         order.amount
       elsif (min_notional * percentage) < notional
-        return (min_notional / order.price).ceil(base_precision)
+        return (min_notional / order.price).ceil(amount_precision)
       else
         raise "Amount of order too small"
       end
@@ -155,7 +155,7 @@ def fetch_openorders(market)
       end
     end
 
-    def get_base_precision(market)
+    def get_amount_precision(market)
       min_quantity = @min_quantity[market] ||= get_min_quantity(market)
       return 0 if min_quantity >= 1
 
@@ -167,16 +167,39 @@ def get_base_precision(market)
       n
     end
 
+    def get_symbol_info(market)
+      @exchange_info ||= @client.exchange_info["symbols"]
+      @exchange_info.find {|s| s["symbol"] == market }
+    end
+
+    def get_symbol_filter(market, filter)
+      get_symbol_info(market)["filters"].find {|f| f["filterType"] == filter }
+    end
+
     def get_min_quantity(market)
-      @client.exchange_info["symbols"]
-             .find {|s| s["symbol"] == market }["filters"]
-             .find {|f| f["filterType"] == "LOT_SIZE" }["minQty"].to_f
+      get_symbol_filter(market, "LOT_SIZE")["minQty"].to_f
     end
 
     def get_min_notional(market)
-      @client.exchange_info["symbols"]
-             .find {|s| s["symbol"] == market }["filters"]
-             .find {|f| f["filterType"] == "MIN_NOTIONAL" }["minNotional"].to_f
+      get_symbol_filter(market, "MIN_NOTIONAL")["minNotional"].to_f
+    end
+
+    def market_config(market)
+      info = get_symbol_info(market)
+      raise "#{market} not found" unless info
+
+      price_filter = get_symbol_filter(market, "PRICE_FILTER")
+
+      {
+        "id"               => info.fetch("symbol"),
+        "base_unit"        => info.fetch("baseAsset"),
+        "quote_unit"       => info.fetch("quoteAsset"),
+        "min_price"        => price_filter&.fetch("minPrice").to_f,
+        "max_price"        => price_filter&.fetch("maxPrice").to_f,
+        "min_amount"       => get_min_quantity(market),
+        "amount_precision" => info.fetch("baseAssetPrecision"),
+        "price_precision"  => info.fetch("quotePrecision")
+      }
     end
   end
 end
diff --git a/lib/arke/exchange/bitfaker.rb b/lib/arke/exchange/bitfaker.rb
index c45fc17e..ad40bc29 100644
--- a/lib/arke/exchange/bitfaker.rb
+++ b/lib/arke/exchange/bitfaker.rb
@@ -45,20 +45,16 @@ def get_balances
       ]
     end
 
-    def get_market_infos(_market)
+    def market_config(_market)
       {
         "id"               => "BTCUSD",
-        "name"             => "BTC/USD",
         "base_unit"        => "BTC",
         "quote_unit"       => "USD",
-        "ask_fee"          => "0.0002",
-        "bid_fee"          => "0.0002",
-        "min_price"        => "0.0",
-        "max_price"        => "0.0",
-        "min_amount"       => "0.00001",
+        "min_price"        => 0.0,
+        "max_price"        => 0.0,
+        "min_amount"       => 0.1,
         "amount_precision" => 6,
         "price_precision"  => 6,
-        "state"            => "enabled",
       }
     end
 
@@ -98,9 +94,8 @@ def ping; end
     private
 
     def add_order(order)
-      _id, price, amount = order
-      side = amount.negative? ? :sell : :buy
-      amount = amount.abs
+      _id, _price, amount = order
+      amount.abs
     end
   end
 end
diff --git a/lib/arke/exchange/bitfinex.rb b/lib/arke/exchange/bitfinex.rb
index 2e0b2527..3bf73b88 100644
--- a/lib/arke/exchange/bitfinex.rb
+++ b/lib/arke/exchange/bitfinex.rb
@@ -124,6 +124,26 @@ def markets
       @connection.get("/v1/symbols").body
     end
 
+    def symbols_details
+      @symbols_details ||= @connection.get("/v1/symbols_details").body
+    end
+
+    def market_config(market)
+      info = symbols_details&.find {|i| i["pair"].downcase == market.downcase }
+      raise "Pair #{market} not found" unless info
+
+      {
+        "id"               => info.fetch("pair"),
+        "base_unit"        => nil,
+        "quote_unit"       => nil,
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => info.fetch("minimum_order_size"),
+        "amount_precision" => 8,
+        "price_precision"  => 8,
+      }
+    end
+
     def new_trade(data, market)
       amount = data[2]
       pm_id = @platform_markets[market]
diff --git a/lib/arke/exchange/hitbtc.rb b/lib/arke/exchange/hitbtc.rb
index 33ce1033..064f0d2c 100644
--- a/lib/arke/exchange/hitbtc.rb
+++ b/lib/arke/exchange/hitbtc.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Arke::Exchange
   class Hitbtc < Base
     attr_accessor :orderbook
@@ -7,20 +9,19 @@ def initialize(opts)
 
       @ws_url = "wss://#{opts['host']}/api/2/ws"
       @connection = Faraday.new("https://#{opts['host']}") do |builder|
-        builder.use FaradayMiddleware::ParseJson, :content_type => /\bjson$/
+        builder.use FaradayMiddleware::ParseJson, content_type: /\bjson$/
         builder.adapter(@adapter)
       end
       @connection.basic_auth(@api_key, @secret)
     end
 
-    def start
-    end
+    def start; end
 
     def build_order(data, side)
       Arke::Order.new(
         @market,
-        data['price'].to_f,
-        data['size'].to_f,
+        data["price"].to_f,
+        data["size"].to_f,
         side
       )
     end
@@ -28,12 +29,12 @@ def build_order(data, side)
     def update_orderbook(market)
       orderbook = Arke::Orderbook::Orderbook.new(market)
       snapshot = @connection.get("/api/2/public/orderbook/#{market.upcase}").body
-      Array(snapshot['bid']).each do |order|
+      Array(snapshot["bid"]).each do |order|
         orderbook.update(
           build_order(order, :buy)
         )
       end
-      Array(snapshot['ask']).each do |order|
+      Array(snapshot["ask"]).each do |order|
         orderbook.update(
           build_order(order, :sell)
         )
@@ -46,43 +47,62 @@ def get_balances
       balances.map do |data|
         {
           "currency" => data["currency"],
-          "free" => data["available"].to_f,
-          "locked" => data["reserved"].to_f,
-          "total" => data["available"].to_f + data["reserved"].to_f,
+          "free"     => data["available"].to_f,
+          "locked"   => data["reserved"].to_f,
+          "total"    => data["available"].to_f + data["reserved"].to_f,
         }
       end
     end
 
     def create_order(order)
       ord = {
-        symbol: order.market.upcase,
-        side: order.side,
+        symbol:   order.market.upcase,
+        side:     order.side,
         quantity: order.amount,
-        price: order.price
+        price:    order.price
       }
       @connection.post do |req|
-        req.url '/api/2/order'
+        req.url "/api/2/order"
         req.body = ord
       end
     end
 
+    def symbols
+      @symbols ||= @connection.get("/api/2/public/symbol").body
+    end
+
     def markets
-      @connection.get("/api/2/public/symbol").body
-      .map { |s| s['id'] }
+      symbols.map {|s| s["id"] }
+    end
+
+    def market_config(market)
+      market_infos = symbols.find {|s| s["id"] == market }
+      raise "Symbol #{market} not found" unless market_infos
+
+      {
+        "id"               => market_infos.fetch("id"),
+        "base_unit"        => market_infos["baseCurrency"],
+        "quote_unit"       => market_infos["quoteCurrency"],
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => market_infos["quantityIncrement"].to_f,
+        "amount_precision" => value_precision(market_infos["quantityIncrement"].to_f),
+        "price_precision"  => value_precision(market_infos["tickSize"].to_f),
+      }
     end
 
-    def on_open_trades(markets_list = nil)
+    def on_open_trades(markets_list=nil)
       markets_list.each do |market|
         sub = {
           method: "subscribeTrades",
           params: {
             symbol: market.upcase,
-            limit: 1
+            limit:  1
           },
-          id: 1
+          id:     1
         }
 
-        info 'Open event' + sub.to_s
+        info "Open event" + sub.to_s
         EM.next_tick {
           @ws.send(JSON.generate(sub))
         }
@@ -90,16 +110,16 @@ def on_open_trades(markets_list = nil)
     end
 
     def detect_trades(msg)
-      market = msg['params']['symbol']
+      market = msg["params"]["symbol"]
       pm_id = @platform_markets[market]
-      msg['params']['data'].each do |t|
+      msg["params"]["data"].each do |t|
         trade = Trade.new(
-          price: t['price'],
-          amount: t['quantity'],
-          taker_type: t['side'],
+          price:              t["price"],
+          amount:             t["quantity"],
+          taker_type:         t["side"],
           platform_market_id: pm_id
         )
-        @opts[:on_trade].call(trade, market) if @opts[:on_trade]
+        @opts[:on_trade]&.call(trade, market)
       end
     end
 
@@ -107,18 +127,16 @@ def on_close(e)
       info "Closing code: #{e.code} Reason: #{e.reason}"
     end
 
-    def listen_trades(markets_list = nil)
+    def listen_trades(markets_list=nil)
       @ws = Faye::WebSocket::Client.new(@ws_url)
 
-      @ws.on(:open) do |e|
+      @ws.on(:open) do |_e|
         on_open_trades(markets_list)
       end
 
       @ws.on(:message) do |e|
         msg = JSON.parse(e.data)
-        if msg['method'] =='updateTrades'
-          detect_trades(msg)
-        end
+        detect_trades(msg) if msg["method"] == "updateTrades"
       end
 
       @ws.on(:close) do |e|
diff --git a/lib/arke/exchange/huobi.rb b/lib/arke/exchange/huobi.rb
index 621b5da8..3c5d1815 100644
--- a/lib/arke/exchange/huobi.rb
+++ b/lib/arke/exchange/huobi.rb
@@ -2,11 +2,12 @@
 
 module Arke::Exchange
   class Huobi < Base
-    attr_reader :orderbook
+    attr_reader :orderbook, :ts_pattern
 
     def initialize(opts)
       super
 
+      @ts_pattern = opts['ts_pattern'] || "%Y-%m-%dT%H:%M:%S"
       @connection = Faraday.new(url: "https://#{opts['host']}") do |builder|
         builder.response :logger if opts["debug"]
         builder.use FaradayMiddleware::ParseJson, content_type: /\bjson$/
@@ -87,6 +88,27 @@ def fetch_openorders(market)
       end
     end
 
+    def symbols
+      get("/v1/common/symbols").body["data"]
+    end
+
+    def market_config(market)
+      market_infos = symbols.find {|s| s["symbol"] == market }
+      raise "Symbol #{market} not found" unless market_infos
+
+      {
+        "id"               => market_infos.fetch("symbol"),
+        "base_unit"        => market_infos["base-currency"],
+        "quote_unit"       => market_infos["quote-currency"],
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => market_infos["min-order-amt"],
+        "max_amount"       => market_infos["max-order-amt"],
+        "amount_precision" => market_infos["amount-precision"],
+        "price_precision"  => market_infos["price-precision"],
+      }
+    end
+
     private
 
     def build_order(data, side)
@@ -103,7 +125,7 @@ def authenticated_request(path, method, params={})
         AccessKeyId:      @api_key,
         SignatureMethod:  "HmacSHA256",
         SignatureVersion: 2,
-        Timestamp:        Time.now.getutc.strftime("%Y-%m-%dT%H:%M:%S")
+        Timestamp:        Time.now.getutc.strftime(ts_pattern)
       }
       h = h.merge(params) if method == "GET"
       data = "#{method}\napi.huobi.pro\n#{path}\n#{Rack::Utils.build_query(hash_sort(h))}"
diff --git a/lib/arke/exchange/kraken.rb b/lib/arke/exchange/kraken.rb
index b9114177..a7199ebc 100644
--- a/lib/arke/exchange/kraken.rb
+++ b/lib/arke/exchange/kraken.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Arke::Exchange
   class Kraken < Base
     attr_accessor :orderbook
@@ -8,15 +10,15 @@ def initialize(opts)
         ws_url = "wss://ws-beta.kraken.com"
         @ws = Faye::WebSocket::Client.new(ws_url)
       end
+      opts["host"] ||= "api.kraken.com"
       rest_url = "https://#{opts['host']}"
       @rest_conn = Faraday.new(rest_url) do |builder|
         builder.adapter(opts[:faraday_adapter] || :em_synchrony)
       end
-      kraken_pair
+      symbols
     end
 
-    def start
-    end
+    def start; end
 
     def build_order(data, side)
       Arke::Order.new(
@@ -30,40 +32,56 @@ def build_order(data, side)
     def update_orderbook(market)
       orderbook = Arke::Orderbook::Orderbook.new(market)
       snapshot = JSON.parse(@rest_conn.get("/0/public/Depth?pair=#{market.upcase}").body)
-      result = snapshot['result']
-      return orderbook if result.nil? or result.values.nil?
+      result = snapshot["result"]
+      return orderbook if result.nil? || result.values.nil?
 
-      Array(result.values.first['bids']).each do |order|
+      Array(result.values.first["bids"]).each do |order|
         orderbook.update(build_order(order, :buy))
       end
-      Array(result.values.first['asks']).each do |order|
+      Array(result.values.first["asks"]).each do |order|
         orderbook.update(build_order(order, :sell))
       end
 
       orderbook
     end
 
-    def kraken_pair
-      @kraken_pair ||= JSON.parse(@rest_conn.get("/0/public/AssetPairs").body)
+    def symbols
+      @symbols ||= JSON.parse(@rest_conn.get("/0/public/AssetPairs").body)["result"]
     end
 
     def markets
-      @markets ||= kraken_pair['result'].values.each_with_object([]) do |p, arr|
-        arr << p['altname'].downcase
+      @markets ||= symbols.values.each_with_object([]) do |p, arr|
+        arr << p["altname"].downcase
       end
     end
 
+    def market_config(market)
+      market_infos = symbols.find{|_, s| s["altname"] == market }&.last
+      raise "Symbol #{market} not found" unless market_infos
+
+      {
+        "id"               => market_infos.fetch("altname"),
+        "base_unit"        => market_infos["base"],
+        "quote_unit"       => market_infos["quote"],
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => nil,
+        "amount_precision" => market_infos["lot_decimals"],
+        "price_precision"  => market_infos["pair_decimals"],
+      }
+    end
+
     def markets_ws_map
-      @markets_ws_map ||= kraken_pair['result'].values.each_with_object({}) do |p, h|
-        h[p['altname'].downcase] = p['wsname']
+      @markets_ws_map ||= symbols.values.each_with_object({}) do |p, h|
+        h[p["altname"].downcase] = p["wsname"]
       end
     end
 
     def on_open_trades(markets_list)
-      ws_markets = markets_list.map { |market| markets_ws_map[market] }
+      ws_markets = markets_list.map {|market| markets_ws_map[market] }
       sub = {
-        "event": "subscribe",
-        "pair": ws_markets,
+        "event":        "subscribe",
+        "pair":         ws_markets,
         "subscription": {
           "name": "trade"
         }
@@ -80,15 +98,15 @@ def new_trade(msg)
       market = msg.last
       pm_id = @platform_markets[market]
       data.each do |t|
-        taker_type = t[3] == 'b' ? :buy : :sell
+        taker_type = t[3] == "b" ? :buy : :sell
         trade = Trade.new(
-          price: t[0],
-          amount: t[1],
+          price:              t[0],
+          amount:             t[1],
           platform_market_id: pm_id,
-          taker_type: taker_type,
-          created_at: t[2],
+          taker_type:         taker_type,
+          created_at:         t[2]
         )
-        @opts[:on_trade].call(trade, market) if @opts[:on_trade]
+        @opts[:on_trade]&.call(trade, market)
       end
     end
 
@@ -96,16 +114,16 @@ def on_close(e)
       info "Closing code: #{e.code}: #{e}"
     end
 
-    def listen_trades(markets_list = nil)
+    def listen_trades(markets_list=nil)
       info "Connecting to websocket: #{@ws_url}"
 
-      @ws.on(:open) do |e|
+      @ws.on(:open) do |_e|
         on_open_trades(markets_list)
       end
 
       @ws.on(:message) do |e|
         msg = JSON.parse(e.data)
-        new_trade(msg) if msg.kind_of?(Array)
+        new_trade(msg) if msg.is_a?(Array)
       end
 
       @ws.on(:close) do |e|
diff --git a/lib/arke/exchange/luno.rb b/lib/arke/exchange/luno.rb
index 2fec3673..8a8e5a68 100644
--- a/lib/arke/exchange/luno.rb
+++ b/lib/arke/exchange/luno.rb
@@ -86,5 +86,205 @@ def create_order(order)
       BitX.conn.basic_auth(@api_key, @secret)
       BitX.conn.post(path, params)
     end
+
+    def market_config(market)
+      info = symbols_details[market.upcase]
+      raise "Pair #{market} not found" unless info
+
+      {
+        "id"               => market,
+        "base_unit"        => info["base_unit"],
+        "quote_unit"       => info["quote_unit"],
+        "min_price"        => info["min_price"].to_f,
+        "max_price"        => info["max_price"].to_f,
+        "min_amount"       => info["min_volume"].to_f,
+        "max_amount"       => info["max_volume"].to_f,
+        "amount_precision" => info["volume_scale"].to_f,
+        "price_precision"  => info["price_scale"].to_f,
+      }
+    end
+
+    def symbols_details
+      {"XBTEUR" =>
+                   {"price_scale"       => 2,
+                    "volume_scale"      => 4,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "100.00",
+                    "max_price"         => "20000.00",
+                    "reserve_fee"       => "0.0025",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.0025",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "EUR"},
+       "XBTIDR" =>
+                   {"price_scale"       => -3,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "10.00",
+                    "max_price"         => "700000000.00",
+                    "reserve_fee"       => "0.002",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.002",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "IDR"},
+       "ETHNGN" =>
+                   {"price_scale"       => 0,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.005",
+                    "max_volume"        => "200.00",
+                    "min_price"         => "5000.00",
+                    "max_price"         => "10000000.00",
+                    "reserve_fee"       => "0.01",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.01",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "ETH",
+                    "quote_unit"        => "NGN"},
+       "ETHZAR" =>
+                   {"price_scale"       => 0,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "1000.00",
+                    "max_price"         => "10000.00",
+                    "reserve_fee"       => "0.01",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.01",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "ETH",
+                    "quote_unit"        => "ZAR"},
+       "XBTMYR" =>
+                   {"price_scale"       => 0,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "10000.00",
+                    "max_price"         => "150000.00",
+                    "reserve_fee"       => "0.01",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.01",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "MYR"},
+       "XBTNGN" =>
+                   {"price_scale"       => 0,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "10.00",
+                    "max_price"         => "25000000.00",
+                    "reserve_fee"       => "0.01",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.01",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "NGN"},
+       "ETHXBT" =>
+                   {"price_scale"       => 4,
+                    "volume_scale"      => 2,
+                    "min_volume"        => "0.01",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "0.0001",
+                    "max_price"         => "1.00",
+                    "reserve_fee"       => "0.0025",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.0025",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.0222],
+                    "base_unit"         => "ETH",
+                    "quote_unit"        => "XBT"},
+       "XBTZAR" =>
+                   {"price_scale"       => 0,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "10.00",
+                    "max_price"         => "1000000.00",
+                    "reserve_fee"       => "0.01",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.01",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "ZAR"},
+       "XBTZMW" =>
+                   {"price_scale"       => 0,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "10.00",
+                    "max_price"         => "1000000.00",
+                    "reserve_fee"       => "0.01",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.01",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "ZMW"},
+       "XBTSGD" =>
+                   {"price_scale"       => 2,
+                    "volume_scale"      => 4,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "1000.00",
+                    "max_price"         => "100000.00",
+                    "reserve_fee"       => "0.0055",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.0055",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "SGD"},
+       "XBTUGX" =>
+                   {"price_scale"       => -3,
+                    "volume_scale"      => 6,
+                    "min_volume"        => "0.0005",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "1000.00",
+                    "max_price"         => "200000000.00",
+                    "reserve_fee"       => "0.0025",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.0025",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "XBT",
+                    "quote_unit"        => "UGX"},
+       "BCHXBT" =>
+                   {"price_scale"       => 4,
+                    "volume_scale"      => 2,
+                    "min_volume"        => "0.01",
+                    "max_volume"        => "100.00",
+                    "min_price"         => "0.0001",
+                    "max_price"         => "1.00",
+                    "reserve_fee"       => "0.0025",
+                    "maker_fee"         => "0.00",
+                    "taker_fee"         => "0.0025",
+                    "thirty_day_volume" => "0.00",
+                    "fee_experiment"    => false,
+                    "vol_weight_params" => [-0.111, 0.111],
+                    "base_unit"         => "BCH",
+                    "quote_unit"        => "XBT"}}
+    end
   end
 end
diff --git a/lib/arke/exchange/okex.rb b/lib/arke/exchange/okex.rb
index 91fdfe98..ac4cf9c9 100644
--- a/lib/arke/exchange/okex.rb
+++ b/lib/arke/exchange/okex.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Arke::Exchange
   class Okex < Base
     attr_accessor :orderbook
@@ -10,8 +12,7 @@ def initialize(opts)
       end
     end
 
-    def start
-    end
+    def start; end
 
     def build_order(data, side)
       Arke::Order.new(
@@ -26,12 +27,12 @@ def update_orderbook(market)
       orderbook = Arke::Orderbook::Orderbook.new(market)
       snapshot = JSON.parse(@connection.get("api/spot/v3/instruments/#{market}/book").body)
 
-      Array(snapshot['bids']).each do |order|
+      Array(snapshot["bids"]).each do |order|
         orderbook.update(
           build_order(order, :buy)
         )
       end
-      Array(snapshot['asks']).each do |order|
+      Array(snapshot["asks"]).each do |order|
         orderbook.update(
           build_order(order, :sell)
         )
@@ -41,7 +42,7 @@ def update_orderbook(market)
 
     def markets
       JSON.parse(@connection.get("/api/spot/v3/instruments/ticker").body)
-      .map { |p| p['instrument_id'] }
+          .map {|p| p["instrument_id"] }
     end
   end
 end
diff --git a/lib/arke/exchange/rubykube.rb b/lib/arke/exchange/rubykube.rb
index f39f58f1..f5250488 100644
--- a/lib/arke/exchange/rubykube.rb
+++ b/lib/arke/exchange/rubykube.rb
@@ -136,12 +136,30 @@ def update_orderbook(market)
 
     def get_market_infos(market)
       response = @connection.get("#{@peatio_route}/public/markets").body
-      infos = response.select {|m| m["id"].downcase == market.downcase }.first
+      infos = response.select {|m| m["id"]&.downcase == market.downcase }.first
       raise "Market #{market} not found" unless infos
 
       infos
     end
 
+    def market_config(market)
+      market_infos = get_market_infos(market)
+      base_unit = market_infos["ask_unit"] || market_infos.fetch("base_unit")
+      quote_unit = market_infos["bid_unit"] || market_infos.fetch("quote_unit")
+      amount_precision = market_infos["ask_precision"] || market_infos.fetch("amount_precision")
+      price_precision = market_infos["bid_precision"] || market_infos.fetch("price_precision")
+      {
+        "id"               => market_infos.fetch("id"),
+        "base_unit"        => base_unit,
+        "quote_unit"       => quote_unit,
+        "min_price"        => (market_infos["min_price"] || market_infos["min_ask_price"])&.to_f,
+        "max_price"        => (market_infos["max_price"] || market_infos["max_bid_price"])&.to_f,
+        "min_amount"       => (market_infos["min_amount"] || market_infos["min_ask_amount"] || market_infos["min_bid_amount"])&.to_f,
+        "amount_precision" => amount_precision,
+        "price_precision"  => price_precision
+      }
+    end
+
     def generate_headers
       nonce = Time.now.to_i.to_s
       {
@@ -201,6 +219,5 @@ def ws_read_private_message(msg)
         end
       end
     end
-
   end
 end
diff --git a/lib/arke/helpers/precision.rb b/lib/arke/helpers/precision.rb
index 79aa5365..a8689807 100644
--- a/lib/arke/helpers/precision.rb
+++ b/lib/arke/helpers/precision.rb
@@ -1,11 +1,31 @@
+# frozen_string_literal: true
+
 module Arke::Helpers
   module Precision
-    def apply_precision(value, precision, min_value = nil)
+    def apply_precision(value, precision, min_value=nil)
       value = value.round(12).floor(precision)
-      if !min_value.nil? and value < min_value
-        value = min_value
-      end
+      value = min_value if !min_value.nil? && (value < min_value)
       value
     end
+
+    def value_precision(value)
+      if value.zero?
+        n = 0
+      elsif value < 1
+        n = 1
+        while (value *= 10) < 1
+          n += 1
+        end
+      elsif value < 10
+        n = 0
+      else
+        n = -1
+        while (value /= 10) > 1
+          n -= 1
+          pp value
+        end
+      end
+      n
+    end
   end
 end
diff --git a/lib/arke/models/market.rb b/lib/arke/models/market.rb
index 53201241..3591ac8a 100644
--- a/lib/arke/models/market.rb
+++ b/lib/arke/models/market.rb
@@ -3,19 +3,19 @@
 class Arke::Market
   include Arke::Helpers::Flags
 
-  attr_reader :base, :quote, :base_precision, :quote_precision
-  attr_reader :min_ask_amount, :min_bid_amount, :account, :id, :orderbook
+  attr_reader :base, :quote, :amount_precision, :price_precision
+  attr_reader :min_amount, :account, :id, :orderbook
   attr_accessor :open_orders
 
   def initialize(market, account, mode=0x0)
     @id = market["id"]
     @account = account
-    @base = market["base"]
-    @quote = market["quote"]
-    @base_precision = market["base_precision"]
-    @quote_precision = market["quote_precision"]
-    @min_ask_amount = market["min_ask_amount"]
-    @min_bid_amount = market["min_bid_amount"]
+    market_config = account.market_config(@id)
+    @base = market_config["base_unit"]
+    @quote = market_config["quote_unit"]
+    @amount_precision = market_config["amount_precision"]
+    @price_precision = market_config["price_precision"]
+    @min_amount = market_config["min_amount"]
     @open_orders = Arke::Orderbook::OpenOrders.new(id)
     @orderbook = Arke::Orderbook::Orderbook.new(id)
     apply_flags(mode)
@@ -28,10 +28,9 @@ def check_config
       raise "market base currency must be lowercase for this exchange" if base != base.downcase
       raise "market quote currency must be lowercase for this exchange" if quote != quote.downcase
     end
-    raise "base_precision is missing in market #{id} configuration" if flag?(WRITE) && @base_precision.nil?
-    raise "quote_precision is missing in market #{id} configuration" if flag?(WRITE) && @quote_precision.nil?
-    raise "min_ask_amount is missing in market #{id} configuration" if flag?(WRITE) && @min_ask_amount.nil?
-    raise "min_bid_amount is missing in market #{id} configuration" if flag?(WRITE) && @min_bid_amount.nil?
+    raise "amount_precision is missing in market #{id} configuration" if flag?(WRITE) && @amount_precision.nil?
+    raise "price_precision is missing in market #{id} configuration" if flag?(WRITE) && @price_precision.nil?
+    raise "min_amount is missing in market #{id} configuration" if flag?(WRITE) && @min_amount.nil?
   end
 
   def apply_flags(flags)
@@ -42,9 +41,7 @@ def apply_flags(flags)
 
   def start
     check_config
-    if flag?(FETCH_PRIVATE_OPEN_ORDERS)
-      fetch_openorders
-    end
+    fetch_openorders if flag?(FETCH_PRIVATE_OPEN_ORDERS)
   end
 
   def update_orderbook
diff --git a/lib/arke/orderbook/orderbook.rb b/lib/arke/orderbook/orderbook.rb
index 8d46bc4f..2c144f14 100644
--- a/lib/arke/orderbook/orderbook.rb
+++ b/lib/arke/orderbook/orderbook.rb
@@ -74,9 +74,9 @@ def aggregate_side(side, price_points, minimum_volume=0.1)
       [final_tree, volume_base, volume_quote]
     end
 
-    def aggregate(price_points_buy, price_points_sell, min_ask_amount, min_bid_amount)
-      bids_ob, vol_bids_base, vol_bids_quote = aggregate_side(:buy, price_points_buy, min_bid_amount)
-      asks_ob, vol_asks_base, vol_asks_quote = aggregate_side(:sell, price_points_sell, min_ask_amount)
+    def aggregate(price_points_buy, price_points_sell, min_amount)
+      bids_ob, vol_bids_base, vol_bids_quote = aggregate_side(:buy, price_points_buy, min_amount)
+      asks_ob, vol_asks_base, vol_asks_quote = aggregate_side(:sell, price_points_sell, min_amount)
       Aggregated.new(
         @market,
         buy:               bids_ob,
diff --git a/lib/arke/scheduler/simple.rb b/lib/arke/scheduler/simple.rb
index 003f6d13..ad2812c4 100644
--- a/lib/arke/scheduler/simple.rb
+++ b/lib/arke/scheduler/simple.rb
@@ -76,8 +76,8 @@ def schedule
         desired = @desired_ob[side]
 
         desired.each do |price, amount|
-          price = apply_precision(price, @target.quote_precision)
-          amount = apply_precision(amount, @target.base_precision, side == :sell ? @target.min_ask_amount : @target.min_bid_amount)
+          price = apply_precision(price, @target.price_precision)
+          amount = apply_precision(amount, @target.amount_precision, side == :sell ? @target.min_amount : @target.min_amount)
           if price.positive? && amount.positive?
             list.push(::Arke::Action.new(:order_create, @target, order: ::Arke::Order.new(@market, price, amount, side)))
           end
diff --git a/lib/arke/strategy/copy.rb b/lib/arke/strategy/copy.rb
index a9349a75..3061dbf5 100644
--- a/lib/arke/strategy/copy.rb
+++ b/lib/arke/strategy/copy.rb
@@ -52,7 +52,7 @@ def call
 
       price_points_asks = @side_asks ? split_constant_pp(:asks, top_ask.first, @levels_count, split_opts) : nil
       price_points_bids = @side_bids ? split_constant_pp(:bids, top_bid.first, @levels_count, split_opts) : nil
-      ob_agg = source.orderbook.aggregate(price_points_bids, price_points_asks, target.min_ask_amount, target.min_bid_amount)
+      ob_agg = source.orderbook.aggregate(price_points_bids, price_points_asks, target.min_amount)
       ob = ob_agg.to_ob
 
       limit_asks_quote = nil
diff --git a/lib/arke/strategy/fixedprice.rb b/lib/arke/strategy/fixedprice.rb
index dbaa0cd9..fb62e3d7 100644
--- a/lib/arke/strategy/fixedprice.rb
+++ b/lib/arke/strategy/fixedprice.rb
@@ -60,14 +60,14 @@ def call
       volume_asks_base = 0.to_d
       volume_bids_base = 0.to_d
 
-      max_amount_ask = 2.to_d * @limit_asks_base / @levels_count - 2 * target.min_ask_amount
-      max_amount_bid = 2.to_d * @limit_bids_base / @levels_count - 2 * target.min_bid_amount
+      max_amount_ask = 2.to_d * @limit_asks_base / @levels_count - 2 * target.min_amount
+      max_amount_bid = 2.to_d * @limit_bids_base / @levels_count - 2 * target.min_amount
 
-      max_amount_ask = target.min_ask_amount if max_amount_ask.negative?
-      max_amount_bid = target.min_bid_amount if max_amount_bid.negative?
+      max_amount_ask = target.min_amount if max_amount_ask.negative?
+      max_amount_bid = target.min_amount if max_amount_bid.negative?
 
-      ask_amounts = split_linear(nil, max_amount_ask, @levels_count, last_value: target.min_ask_amount)
-      bid_amounts = split_linear(nil, max_amount_bid, @levels_count, last_value: target.min_bid_amount)
+      ask_amounts = split_linear(nil, max_amount_ask, @levels_count, last_value: target.min_amount)
+      bid_amounts = split_linear(nil, max_amount_bid, @levels_count, last_value: target.min_amount)
 
       ob_asks = price_points_asks.map do |pp|
         amount = ask_amounts.shift
diff --git a/lib/arke/strategy/microtrades.rb b/lib/arke/strategy/microtrades.rb
index 2bcd2798..d4b062f3 100644
--- a/lib/arke/strategy/microtrades.rb
+++ b/lib/arke/strategy/microtrades.rb
@@ -13,8 +13,7 @@ class EmptyOrderBook < StandardError; end
     def initialize(sources, target, config, reactor)
       super
       params = @config["params"] || {}
-      market_infos = target.account.get_market_infos(target.id)
-      @min_amount = (params["min_amount"] || target_min_amount(market_infos)).to_f
+      @min_amount = (params["min_amount"] || target.min_amount)
       @max_amount = (params["max_amount"] || @min_amount * 2).to_f
       @min_price = params["min_price"]
       @max_price = params["max_price"]
@@ -22,7 +21,6 @@ def initialize(sources, target, config, reactor)
       @enable_orderback = false
       @sides = SIDES_MAP[@side]
       check_config
-      logger.info "ID:#{id} Market infos: #{market_infos}"
       logger.info "ID:#{id} Min amount: #{@min_amount}"
       logger.info "ID:#{id} Max amount: #{@max_amount}"
     end
@@ -39,15 +37,15 @@ def delay_the_first_execute
 
     def target_min_amount(market_infos)
       [
-        market_infos["min_ask_amount"],
-        market_infos["min_bid_amount"],
-        target.min_ask_amount,
-        target.min_bid_amount,
+        market_infos["min_amount"],
+        market_infos["min_amount"],
+        target.min_amount,
+        target.min_amount,
       ].map(&:to_f).reject(&:zero?).min
     end
 
     def get_amount(side)
-      side_min_value = side == :sell ? target.min_ask_amount.to_f : target.min_bid_amount.to_f
+      side_min_value = side == :sell ? target.min_amount.to_f : target.min_amount.to_f
       amount = rand(@min_amount..@max_amount)
       if @linked_strategy_id
         linked_target = @reactor.find_strategy(@linked_strategy_id).target
@@ -55,7 +53,7 @@ def get_amount(side)
         side_amount = linked_target.open_orders.total_side_amount(side)
         amount = (side_amount * 0.6) > amount ? amount : (side_amount * 0.6)
       end
-      apply_precision(amount, target.base_precision.to_f, side_min_value)
+      apply_precision(amount, target.amount_precision.to_f, side_min_value)
     end
 
     def get_price(side)
@@ -73,7 +71,7 @@ def get_price(side)
       else
         price = side == :buy ? @max_price : @min_price
       end
-      apply_precision(price, target.quote_precision.to_f)
+      apply_precision(price, target.price_precision.to_f)
     end
 
     def call
diff --git a/lib/arke/strategy/orderback.rb b/lib/arke/strategy/orderback.rb
index 01cce98c..53da864d 100644
--- a/lib/arke/strategy/orderback.rb
+++ b/lib/arke/strategy/orderback.rb
@@ -47,7 +47,7 @@ def check_config
       raise "side must be asks, bids or both" if !@side_asks && !@side_bids
 
       if @enable_orderback
-        if @min_order_back_amount < target.min_ask_amount || @min_order_back_amount < target.min_bid_amount
+        if @min_order_back_amount < target.min_amount || @min_order_back_amount < target.min_amount
           raise "min_order_back_amount is too small"
         end
       end
@@ -137,8 +137,7 @@ def call
       ob_agg = source.orderbook.aggregate(
         price_points_bids,
         price_points_asks,
-        target.min_ask_amount,
-        target.min_bid_amount
+        target.min_amount
       )
       ob = ob_agg.to_ob
 
diff --git a/spec/fixtures/files/kraken-assets.json b/spec/fixtures/files/kraken-assets.json
new file mode 100644
index 00000000..8d39d0a7
--- /dev/null
+++ b/spec/fixtures/files/kraken-assets.json
@@ -0,0 +1,11524 @@
+{
+    "error": [],
+    "result": {
+        "ADACAD": {
+            "altname": "ADACAD",
+            "wsname": "ADA\/CAD",
+            "aclass_base": "currency",
+            "base": "ADA",
+            "aclass_quote": "currency",
+            "quote": "ZCAD",
+            "lot": "unit",
+            "pair_decimals": 6,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ADAETH": {
+            "altname": "ADAETH",
+            "wsname": "ADA\/ETH",
+            "aclass_base": "currency",
+            "base": "ADA",
+            "aclass_quote": "currency",
+            "quote": "XETH",
+            "lot": "unit",
+            "pair_decimals": 7,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ADAEUR": {
+            "altname": "ADAEUR",
+            "wsname": "ADA\/EUR",
+            "aclass_base": "currency",
+            "base": "ADA",
+            "aclass_quote": "currency",
+            "quote": "ZEUR",
+            "lot": "unit",
+            "pair_decimals": 6,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ADAUSD": {
+            "altname": "ADAUSD",
+            "wsname": "ADA\/USD",
+            "aclass_base": "currency",
+            "base": "ADA",
+            "aclass_quote": "currency",
+            "quote": "ZUSD",
+            "lot": "unit",
+            "pair_decimals": 6,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ADAXBT": {
+            "altname": "ADAXBT",
+            "wsname": "ADA\/XBT",
+            "aclass_base": "currency",
+            "base": "ADA",
+            "aclass_quote": "currency",
+            "quote": "XXBT",
+            "lot": "unit",
+            "pair_decimals": 8,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ATOMCAD": {
+            "altname": "ATOMCAD",
+            "wsname": "ATOM\/CAD",
+            "aclass_base": "currency",
+            "base": "ATOM",
+            "aclass_quote": "currency",
+            "quote": "ZCAD",
+            "lot": "unit",
+            "pair_decimals": 4,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ATOMETH": {
+            "altname": "ATOMETH",
+            "wsname": "ATOM\/ETH",
+            "aclass_base": "currency",
+            "base": "ATOM",
+            "aclass_quote": "currency",
+            "quote": "XETH",
+            "lot": "unit",
+            "pair_decimals": 6,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ATOMEUR": {
+            "altname": "ATOMEUR",
+            "wsname": "ATOM\/EUR",
+            "aclass_base": "currency",
+            "base": "ATOM",
+            "aclass_quote": "currency",
+            "quote": "ZEUR",
+            "lot": "unit",
+            "pair_decimals": 4,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ATOMUSD": {
+            "altname": "ATOMUSD",
+            "wsname": "ATOM\/USD",
+            "aclass_base": "currency",
+            "base": "ATOM",
+            "aclass_quote": "currency",
+            "quote": "ZUSD",
+            "lot": "unit",
+            "pair_decimals": 4,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "ATOMXBT": {
+            "altname": "ATOMXBT",
+            "wsname": "ATOM\/XBT",
+            "aclass_base": "currency",
+            "base": "ATOM",
+            "aclass_quote": "currency",
+            "quote": "XXBT",
+            "lot": "unit",
+            "pair_decimals": 7,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        },
+        "BATETH": {
+            "altname": "BATETH",
+            "wsname": "BAT\/ETH",
+            "aclass_base": "currency",
+            "base": "BAT",
+            "aclass_quote": "currency",
+            "quote": "XETH",
+            "lot": "unit",
+            "pair_decimals": 7,
+            "lot_decimals": 8,
+            "lot_multiplier": 1,
+            "leverage_buy": [],
+            "leverage_sell": [],
+            "fees": [
+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
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+                [
+                    0,
+                    0.26
+                ],
+                [
+                    50000,
+                    0.24
+                ],
+                [
+                    100000,
+                    0.22
+                ],
+                [
+                    250000,
+                    0.2
+                ],
+                [
+                    500000,
+                    0.18
+                ],
+                [
+                    1000000,
+                    0.16
+                ],
+                [
+                    2500000,
+                    0.14
+                ],
+                [
+                    5000000,
+                    0.12
+                ],
+                [
+                    10000000,
+                    0.1
+                ]
+            ],
+            "fees_maker": [
+                [
+                    0,
+                    0.16
+                ],
+                [
+                    50000,
+                    0.14
+                ],
+                [
+                    100000,
+                    0.12
+                ],
+                [
+                    250000,
+                    0.1
+                ],
+                [
+                    500000,
+                    0.08
+                ],
+                [
+                    1000000,
+                    0.06
+                ],
+                [
+                    2500000,
+                    0.04
+                ],
+                [
+                    5000000,
+                    0.02
+                ],
+                [
+                    10000000,
+                    0
+                ]
+            ],
+            "fee_volume_currency": "ZUSD",
+            "margin_call": 80,
+            "margin_stop": 40
+        }
+    }
+}
\ No newline at end of file
diff --git a/spec/lib/arke/exchange/base_spec.rb b/spec/lib/arke/exchange/base_spec.rb
index b2138bae..58292494 100644
--- a/spec/lib/arke/exchange/base_spec.rb
+++ b/spec/lib/arke/exchange/base_spec.rb
@@ -8,13 +8,7 @@
 
   let(:market_config) do
     {
-      "market" => {
-        "id"             => "ETHUSDt",
-        "base"           => "ETH",
-        "quote"          => "USDT",
-        "min_ask_amount" => 0.01,
-        "min_bid_amount" => 0.01,
-      },
+      "market" => {"id" => "ETHUSDt"},
     }
   end
 
diff --git a/spec/lib/arke/exchange/binance_spec.rb b/spec/lib/arke/exchange/binance_spec.rb
index dc4678ca..bfe75eee 100644
--- a/spec/lib/arke/exchange/binance_spec.rb
+++ b/spec/lib/arke/exchange/binance_spec.rb
@@ -5,11 +5,7 @@
 
   let(:market_config) do
     {
-      "id"             => "ETHUSDT",
-      "base"           => "ETH",
-      "quote"          => "USDT",
-      "min_ask_amount" => 0.01,
-      "min_bid_amount" => 0.01,
+      "id" => "ETHUSDT"
     }
   end
 
@@ -282,4 +278,19 @@
       binance.ws_read_message(:public, trade_event)
     end
   end
+
+  context "market_config" do
+    it "returns market configuration" do
+      expect(binance.market_config("ETHUSDT")).to eq(
+        "id"               => "ETHUSDT",
+        "base_unit"        => "ETH",
+        "quote_unit"       => "USDT",
+        "min_price"        => 0.01,
+        "max_price"        => 10_000_000,
+        "min_amount"       => 0.00001,
+        "amount_precision" => 8,
+        "price_precision"  => 8
+      )
+    end
+  end
 end
diff --git a/spec/lib/arke/exchange/bitfinex_spec.rb b/spec/lib/arke/exchange/bitfinex_spec.rb
index 9b0a3ebe..d26c4a61 100644
--- a/spec/lib/arke/exchange/bitfinex_spec.rb
+++ b/spec/lib/arke/exchange/bitfinex_spec.rb
@@ -6,11 +6,7 @@
   let(:config) { YAML.safe_load(file_fixture("test_config.yaml").read) }
   let(:market_config) do
     {
-      "id"             => "ETHUSD",
-      "base"           => "ETH",
-      "quote"          => "USD",
-      "min_ask_amount" => 0.01,
-      "min_bid_amount" => 0.01,
+      "id" => "ETHUSD"
     }
   end
   let(:bitfinex_config) do
diff --git a/spec/lib/arke/exchange/hitbtc_spec.rb b/spec/lib/arke/exchange/hitbtc_spec.rb
index 4a269653..a6f41183 100644
--- a/spec/lib/arke/exchange/hitbtc_spec.rb
+++ b/spec/lib/arke/exchange/hitbtc_spec.rb
@@ -11,11 +11,7 @@
   end
   let(:market_config) do
     {
-      "id"             => "ETHUSD",
-      "base"           => "ETH",
-      "quote"          => "USD",
-      "min_ask_amount" => 0.01,
-      "min_bid_amount" => 0.01,
+      "id" => "ETHUSD"
     }
   end
   let!(:market) { Arke::Market.new(market_config, hitbtc) }
@@ -73,6 +69,21 @@
     end
   end
 
+  context "market_config" do
+    it "returns market config" do
+      expect(hitbtc.market_config("ETHBTC")).to eq(
+        "id"               => "ETHBTC",
+        "base_unit"        => "ETH",
+        "quote_unit"       => "BTC",
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => 0.001,
+        "amount_precision" => 3,
+        "price_precision"  => 6
+      )
+    end
+  end
+
   context "create_order" do
     let(:order) { Arke::Order.new("ETHUSD", 1180.00, 0.10, :sell) }
 
diff --git a/spec/lib/arke/exchange/huobi_spec.rb b/spec/lib/arke/exchange/huobi_spec.rb
index 32ad3257..5e703e48 100644
--- a/spec/lib/arke/exchange/huobi_spec.rb
+++ b/spec/lib/arke/exchange/huobi_spec.rb
@@ -11,18 +11,11 @@
       "host"           => "api.huobi.pro",
       "key"            => "Uwg8wqlxueiLCsbTXjlogviL8hdd60",
       "secret"         => "OwpadzSYOSkzweoJkjPrFeVgjOwOuxVHk8FXIlffdWw",
-      :faraday_adapter => faraday_adapter
+      :faraday_adapter => faraday_adapter,
+      "ts_pattern"     => "%Y-%m-%dT%H"
     )
   end
-  let(:market_config) do
-    {
-      "id"             => "ETHUSDT",
-      "base"           => "ETH",
-      "quote"          => "USDT",
-      "min_ask_amount" => 0.01,
-      "min_bid_amount" => 0.01,
-    }
-  end
+  let(:market_config) { {"id" => "ethusdt"} }
   let!(:market) { Arke::Market.new(market_config, huobi) }
 
   context "ojbect initialization" do
@@ -94,22 +87,40 @@
     end
   end
 
+  context "market_config" do
+    it "returns market config" do
+      expect(huobi.market_config("btcusdt")).to eq(
+        "id"               => "btcusdt",
+        "base_unit"        => "btc",
+        "quote_unit"       => "usdt",
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => 0.0001,
+        "max_amount"       => 1000,
+        "amount_precision" => 6,
+        "price_precision"  => 2
+      )
+    end
+  end
+
   context "get_balances" do
     it "fetchs the account balance in arke format" do
-      expect(huobi.get_balances).to eq([
-                                         {
-                                           "currency" => "USDT",
-                                           "total"    => 155.0,
-                                           "free"     => 123.0,
-                                           "locked"   => 32.0,
-                                         },
-                                         {
-                                           "currency" => "ETH",
-                                           "total"    => 499_999_894_616.1302471000,
-                                           "free"     => 499_999_894_616.1302471000,
-                                           "locked"   => 0.0,
-                                         }
-                                       ])
+      expect(huobi.get_balances).to eq(
+        [
+          {
+            "currency" => "USDT",
+            "total"    => 155.0,
+            "free"     => 123.0,
+            "locked"   => 32.0,
+          },
+          {
+            "currency" => "ETH",
+            "total"    => 499_999_894_616.1302471000,
+            "free"     => 499_999_894_616.1302471000,
+            "locked"   => 0.0,
+          }
+        ]
+      )
     end
   end
 
diff --git a/spec/lib/arke/exchange/kraken_spec.rb b/spec/lib/arke/exchange/kraken_spec.rb
new file mode 100644
index 00000000..6e3d0f75
--- /dev/null
+++ b/spec/lib/arke/exchange/kraken_spec.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+describe Arke::Exchange::Kraken do
+  include_context "mocked kraken"
+  let(:exchange_config) do
+    {
+      "driver" => "kraken",
+    }
+  end
+  let(:kraken) { Arke::Exchange::Kraken.new(exchange_config) }
+  let(:market_config) { {"id" => "XBTUSD"} }
+  let!(:market) { Arke::Market.new(market_config, kraken) }
+
+  context "market_config" do
+    it "returns market configuration" do
+      expect(kraken.market_config("XBTUSD")).to eq(
+        "id"               => "XBTUSD",
+        "base_unit"        => "XXBT",
+        "quote_unit"       => "ZUSD",
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => nil,
+        "amount_precision" => 8,
+        "price_precision"  => 1
+      )
+    end
+  end
+end
diff --git a/spec/lib/arke/exchange/luno_spec.rb b/spec/lib/arke/exchange/luno_spec.rb
index 862a7e98..987bcdac 100644
--- a/spec/lib/arke/exchange/luno_spec.rb
+++ b/spec/lib/arke/exchange/luno_spec.rb
@@ -10,11 +10,7 @@
   end
   let(:market_config) do
     {
-      "id"             => "XBTZAR",
-      "base"           => "XBT",
-      "quote"          => "ZAR",
-      "min_ask_amount" => 0.001,
-      "min_bid_amount" => 0.001,
+      "id" => "XBTZAR"
     }
   end
   let!(:market) { Arke::Market.new(market_config, luno) }
@@ -75,4 +71,20 @@
       expect { luno.create_order(order) }.to_not raise_error(Exception)
     end
   end
+
+  context "market_config" do
+    it "returns market configuration" do
+      expect(luno.market_config("ETHZAR")).to eq(
+        "id"               => "ETHZAR",
+        "base_unit"        => "ETH",
+        "quote_unit"       => "ZAR",
+        "min_price"        => 1000.0,
+        "max_price"        => 10_000.0,
+        "min_amount"       => 0.0005,
+        "max_amount"       => 100.0,
+        "amount_precision" => 6.0,
+        "price_precision"  => 0.0
+      )
+    end
+  end
 end
diff --git a/spec/lib/arke/exchange/rubykube_spec.rb b/spec/lib/arke/exchange/rubykube_spec.rb
index cdbdf019..af319ae4 100644
--- a/spec/lib/arke/exchange/rubykube_spec.rb
+++ b/spec/lib/arke/exchange/rubykube_spec.rb
@@ -16,17 +16,7 @@
   end
 
   let!(:market) { Arke::Market.new(market_config, rubykube) }
-
-  let(:market_config) do
-    {
-      "id"             => "ETHUSD",
-      "base"           => "ETH",
-      "quote"          => "USD",
-      "min_ask_amount" => 0.01,
-      "min_bid_amount" => 0.01,
-    }
-  end
-
+  let(:market_config) { {"id" => "ethusd"} }
   let(:strategy) { Arke::Strategy::Copy.new(strategy_config) }
   let(:order) { Arke::Order.new("ethusd", 1, 1, :buy) }
   let(:rubykube) { Arke::Exchange::Rubykube.new(exchange_config) }
@@ -69,6 +59,174 @@
     end
   end
 
+  context "rubykube#market_config after peatio 2.2.14" do
+    it "generates market configuration" do
+      expect(rubykube.market_config("btcusd")).to eq(
+        "id"               => "btcusd",
+        "base_unit"        => "btc",
+        "quote_unit"       => "usd",
+        "min_price"        => 100.0,
+        "max_price"        => 100_000.0,
+        "min_amount"       => 0.0005,
+        "amount_precision" => 6,
+        "price_precision"  => 2
+      )
+    end
+  end
+
+  context "rubykube#market_config before peatio 2.2.14" do
+    it "generates market configuration" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "id"             => "btcusd",
+              "name"           => "BTC/USD",
+              "ask_unit"       => "btc",
+              "bid_unit"       => "usd",
+              "min_ask_price"  => "100.0",
+              "max_bid_price"  => "100000.0",
+              "min_ask_amount" => "0.0005",
+              "min_bid_amount" => "0.0005",
+              "ask_precision"  => 6,
+              "bid_precision"  => 2
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect(rubykube.market_config("btcusd")).to eq(
+        "id"               => "btcusd",
+        "base_unit"        => "btc",
+        "quote_unit"       => "usd",
+        "min_price"        => 100,
+        "max_price"        => 100_000,
+        "min_amount"       => 0.0005,
+        "amount_precision" => 6,
+        "price_precision"  => 2
+      )
+    end
+  end
+
+  context "rubykube#market_config misconfiguration" do
+    it "doesn't raise error for missing non required fields" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "id"               => "btcusd",
+              "base_unit"        => "btc",
+              "quote_unit"       => "usd",
+              "amount_precision" => 6,
+              "price_precision"  => 2,
+              "state"            => "enabled"
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect(rubykube.market_config("btcusd")).to eq(
+        "id"               => "btcusd",
+        "base_unit"        => "btc",
+        "quote_unit"       => "usd",
+        "min_price"        => nil,
+        "max_price"        => nil,
+        "min_amount"       => nil,
+        "amount_precision" => 6,
+        "price_precision"  => 2
+      )
+    end
+
+    it "raises error if id is missing" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "base_unit"        => "btc",
+              "quote_unit"       => "usd",
+              "amount_precision" => 6,
+              "price_precision"  => 2
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect { rubykube.market_config("btcusd") }.to raise_error("Market btcusd not found")
+    end
+
+    it "raises error if base_unit is missing" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "id"               => "btcusd",
+              "quote_unit"       => "usd",
+              "amount_precision" => 6,
+              "price_precision"  => 2,
+              "state"            => "enabled"
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect { rubykube.market_config("btcusd") }.to raise_error(/base_unit/)
+    end
+
+    it "raises error if quote_unit is missing" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "id"               => "btcusd",
+              "base_unit"        => "btc",
+              "amount_precision" => 6,
+              "price_precision"  => 2,
+              "state"            => "enabled"
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect { rubykube.market_config("btcusd") }.to raise_error(/quote_unit/)
+    end
+
+    it "raises error if amount_precision is missing" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "id"              => "btcusd",
+              "base_unit"       => "btc",
+              "quote_unit"      => "usd",
+              "price_precision" => 2,
+              "state"           => "enabled"
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect { rubykube.market_config("btcusd") }.to raise_error(/amount_precision/)
+    end
+
+    it "raises error if price_precision is missing" do
+      stub_request(:get, %r{peatio/public/markets})
+        .to_return(
+          status:  200,
+          body:    [
+            {
+              "id"               => "btcusd",
+              "base_unit"        => "btc",
+              "quote_unit"       => "usd",
+              "amount_precision" => 6,
+              "state"            => "enabled"
+            }
+          ].to_json,
+          headers: {}
+        )
+      expect { rubykube.market_config("btcusd") }.to raise_error(/price_precision/)
+    end
+  end
+
   context "rubykube#stop_order" do
     let(:order) { Arke::Order.new("ethusd", 1, 1, :buy, "limit", 42) }
 
diff --git a/spec/lib/arke/helpers/precision_spec.rb b/spec/lib/arke/helpers/precision_spec.rb
new file mode 100644
index 00000000..d90462e8
--- /dev/null
+++ b/spec/lib/arke/helpers/precision_spec.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+describe Arke::Helpers::Precision do
+  context "value_precision" do
+    include Arke::Helpers::Precision
+
+    it "returns the precision from a value" do
+      expect(value_precision(0.1)).to eq(1)
+      expect(value_precision(0.01)).to eq(2)
+      expect(value_precision(0.001)).to eq(3)
+      expect(value_precision(0.000001)).to eq(6)
+      expect(value_precision(0)).to eq(0)
+      expect(value_precision(1)).to eq(0)
+      expect(value_precision(2)).to eq(0)
+      expect(value_precision(10)).to eq(-1)
+      expect(value_precision(100)).to eq(-2)
+    end
+  end
+end
diff --git a/spec/lib/arke/orderbook/aggregated_spec.rb b/spec/lib/arke/orderbook/aggregated_spec.rb
index a4139eae..c899d46f 100644
--- a/spec/lib/arke/orderbook/aggregated_spec.rb
+++ b/spec/lib/arke/orderbook/aggregated_spec.rb
@@ -211,7 +211,7 @@
     end
 
     it "aggregates complete orderbook" do
-      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1, 0.1)
+      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1)
       expect(book[:buy].to_hash).to eq(
         6.0.to_d => {high_price: 6.to_d, low_price: 6.to_d, volume: 0.1.to_d, weighted_price: 6.to_d},
         8.5.to_d => {high_price: 9.to_d, low_price: 8.to_d, volume: 2.to_d, weighted_price: 8.5.to_d}
@@ -227,7 +227,7 @@
     end
 
     it "aggregates only bids side" do
-      book = orderbook.aggregate(price_points_buy, nil, nil, 0.1)
+      book = orderbook.aggregate(price_points_buy, nil, 0.1)
       expect(book[:buy].to_hash).to eq(
         6.0.to_d => {high_price: 6.to_d, low_price: 6.to_d, volume: 0.1.to_d, weighted_price: 6.0.to_d},
         8.5.to_d => {high_price: 9.to_d, low_price: 8.to_d, volume: 2.0.to_d, weighted_price: 8.5.to_d}
@@ -236,7 +236,7 @@
     end
 
     it "aggregates only asks side" do
-      book = orderbook.aggregate(nil, price_points_sell, 0.1, nil)
+      book = orderbook.aggregate(nil, price_points_sell, 0.1)
       expect(book[:buy].to_hash).to eq({})
       expect(book[:sell].to_hash).to eq(
         4.0.to_d => {high_price: 5, low_price: 2, volume: 3, weighted_price: 4.0},
@@ -246,7 +246,7 @@
 
     context "to_ob" do
       it "returns a Orderbook object" do
-        book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1, 0.1).to_ob
+        book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1).to_ob
         expect(book[:buy].to_hash).to eq(
           6.0.to_d => 0.1.to_d,
           8.5.to_d => 2.0.to_d
diff --git a/spec/lib/arke/orderbook/orderbook_spec.rb b/spec/lib/arke/orderbook/orderbook_spec.rb
index 517d9383..78b74b1a 100644
--- a/spec/lib/arke/orderbook/orderbook_spec.rb
+++ b/spec/lib/arke/orderbook/orderbook_spec.rb
@@ -102,7 +102,7 @@
     end
 
     it "adjusts volume based on base volume requirements" do
-      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1, 0.1)
+      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1)
                       .to_ob
                       .adjust_volume(0.2, 0.3)
       expect(book[:buy].to_hash).to eq(
@@ -120,7 +120,7 @@
     end
 
     it "stops when reaching quote limit" do
-      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1, 0.1)
+      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1)
                       .to_ob
                       .adjust_volume(0.2, 0.3, 1.1, 1.2)
       expect(book[:buy].to_hash).to eq(
@@ -137,7 +137,7 @@
     end
 
     it "does nothing if the orderbook volume is lower than the provided limit" do
-      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1, 0.1)
+      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1)
                       .to_ob
                       .adjust_volume(4, 6)
       expect(book[:buy].to_hash).to eq(
@@ -153,7 +153,7 @@
     end
 
     it "does nothing if the limits are nil" do
-      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1, 0.1)
+      book = orderbook.aggregate(price_points_buy, price_points_sell, 0.1)
                       .to_ob
                       .adjust_volume(nil, nil)
       expect(book[:buy].to_hash).to eq(
diff --git a/spec/lib/arke/strategy/copy_spec.rb b/spec/lib/arke/strategy/copy_spec.rb
index 8ea66e24..fb1538c8 100644
--- a/spec/lib/arke/strategy/copy_spec.rb
+++ b/spec/lib/arke/strategy/copy_spec.rb
@@ -3,6 +3,8 @@
 require "rails_helper"
 
 describe Arke::Strategy::Copy do
+  include_context "mocked binance"
+
   let!(:strategy) { Arke::Strategy::Copy.new([source], target, config, nil) }
   let(:source_account) { Arke::Exchange.create(source_config) }
   let(:target_account) { Arke::Exchange.create(target_config) }
@@ -47,11 +49,7 @@
     {
       "account_id" => 1,
       "market"     => {
-        "id"             => "BTCUSD",
-        "base"           => "BTC",
-        "quote"          => "USD",
-        "min_ask_amount" => 0.001,
-        "min_bid_amount" => 0.001,
+        "id" => "BTCUSD",
       }
     }
   end
@@ -67,11 +65,7 @@
     {
       "account_id" => 2,
       "market"     => {
-        "id"             => "BTCUSD",
-        "base"           => "BTC",
-        "quote"          => "USD",
-        "min_ask_amount" => 0.1,
-        "min_bid_amount" => 0.1,
+        "id" => "BTCUSD",
       },
     }
   end
@@ -80,8 +74,6 @@
   let(:target_bids) { target_orderbook.first[:buy] }
   let(:target_asks) { target_orderbook.first[:sell] }
 
-  include_context "mocked binance"
-
   before(:each) do
     target.account.fetch_balances
     source.start
@@ -206,9 +198,7 @@
       {
         "account_id" => 1,
         "market"     => {
-          "id"    => "BTCUSDT",
-          "base"  => "BTC",
-          "quote" => "USDT",
+          "id" => "BTCUSDT",
         }
       }
     end
diff --git a/spec/lib/arke/strategy/fixedprice_spec.rb b/spec/lib/arke/strategy/fixedprice_spec.rb
index 55c9b6e1..25171f89 100644
--- a/spec/lib/arke/strategy/fixedprice_spec.rb
+++ b/spec/lib/arke/strategy/fixedprice_spec.rb
@@ -32,11 +32,7 @@
       "target" => {
         "driver" => "bitfaker",
         "market" => {
-          "id"             => "BTCUSD",
-          "base"           => "BTC",
-          "quote"          => "USD",
-          "min_ask_amount" => 0.001,
-          "min_bid_amount" => 0.001,
+          "id" => "BTCUSD",
         },
       }
     }
@@ -63,18 +59,18 @@
     let(:side) { "both" }
     it "outputs a target orberbook" do
       expect(target_bids.to_hash).to eq(
-        120.4910.to_d => 0.0010.to_d,
-        120.5008.to_d => 0.1204.to_d,
-        120.5106.to_d => 0.2398.to_d,
-        120.5204.to_d => 0.3592.to_d,
-        120.5302.to_d => 0.4786.to_d
+        120.4910.to_d => 0.10.to_d,
+        120.5008.to_d => 0.16.to_d,
+        120.5106.to_d => 0.22.to_d,
+        120.5204.to_d => 0.28.to_d,
+        120.5302.to_d => 0.34.to_d
       )
       expect(target_asks.to_hash).to eq(
-        124.2401.to_d => 0.3186.to_d,
-        124.2502.to_d => 0.2392.to_d,
-        124.2603.to_d => 0.1598.to_d,
-        124.2704.to_d => 0.0804.to_d,
-        124.2805.to_d => 0.0010.to_d
+        124.2401.to_d => 0.18.to_d,
+        124.2502.to_d => 0.16.to_d,
+        124.2603.to_d => 0.14.to_d,
+        124.2704.to_d => 0.12.to_d,
+        124.2805.to_d => 0.10.to_d
       )
     end
   end
@@ -84,11 +80,11 @@
     it "outputs a target orberbook" do
       expect(target_bids.to_hash).to eq({})
       expect(target_asks.to_hash).to eq(
-        124.2401.to_d => 0.3186.to_d,
-        124.2502.to_d => 0.2392.to_d,
-        124.2603.to_d => 0.1598.to_d,
-        124.2704.to_d => 0.0804.to_d,
-        124.2805.to_d => 0.0010.to_d
+        124.2401.to_d => 0.18.to_d,
+        124.2502.to_d => 0.16.to_d,
+        124.2603.to_d => 0.14.to_d,
+        124.2704.to_d => 0.12.to_d,
+        124.2805.to_d => 0.10.to_d
       )
     end
   end
@@ -97,11 +93,11 @@
     let(:side) { "bids" }
     it "outputs a target orberbook" do
       expect(target_bids.to_hash).to eq(
-        120.4910.to_d => 0.0010.to_d,
-        120.5008.to_d => 0.1204.to_d,
-        120.5106.to_d => 0.2398.to_d,
-        120.5204.to_d => 0.3592.to_d,
-        120.5302.to_d => 0.4786.to_d
+        120.4910.to_d => 0.10.to_d,
+        120.5008.to_d => 0.16.to_d,
+        120.5106.to_d => 0.22.to_d,
+        120.5204.to_d => 0.28.to_d,
+        120.5302.to_d => 0.34.to_d
       )
       expect(target_asks.to_hash).to eq({})
     end
@@ -114,18 +110,19 @@
 
     it "outputs a target orberbook" do
       expect(target_bids.to_hash).to eq(
-        122.95.to_d => 0.0010.to_d,
-        122.96.to_d => 0.1204.to_d,
-        122.97.to_d => 0.2398.to_d,
-        122.98.to_d => 0.3592.to_d,
-        122.99.to_d => 0.4786.to_d
+        122.95.to_d => 0.10e0.to_d,
+        122.96.to_d => 0.16e0.to_d,
+        122.97.to_d => 0.22e0.to_d,
+        122.98.to_d => 0.28e0.to_d,
+        122.99.to_d => 0.34e0.to_d,
       )
+
       expect(target_asks.to_hash).to eq(
-        123.01.to_d => 0.3186.to_d,
-        123.02.to_d => 0.2392.to_d,
-        123.03.to_d => 0.1598.to_d,
-        123.04.to_d => 0.0804.to_d,
-        123.05.to_d => 0.0010.to_d
+        123.01.to_d => 0.18.to_d,
+        123.02.to_d => 0.16.to_d,
+        123.03.to_d => 0.14.to_d,
+        123.04.to_d => 0.12.to_d,
+        123.05.to_d => 0.10.to_d
       )
     end
   end
diff --git a/spec/lib/arke/strategy/microtrades_spec.rb b/spec/lib/arke/strategy/microtrades_spec.rb
index cc1cac50..78774857 100644
--- a/spec/lib/arke/strategy/microtrades_spec.rb
+++ b/spec/lib/arke/strategy/microtrades_spec.rb
@@ -40,13 +40,7 @@
       "target" => {
         "driver" => "bitfaker",
         "market" => {
-          "id"              => "BTCUSD",
-          "base"            => "BTC",
-          "quote"           => "USD",
-          "base_precision"  => 4,
-          "quote_precision" => 4,
-          "min_ask_amount"  => 0.001,
-          "min_bid_amount"  => 0.001,
+          "id" => "BTCUSD",
         },
       }
     }
@@ -101,8 +95,8 @@
       expect(linked_strategy.target.open_orders.total_side_amount(:buy)).to eq(285.56554348.to_d)
       expect(linked_strategy.target.open_orders.total_side_amount(:sell)).to eq(700.37113197.to_d)
 
-      expect(strategy.get_amount(:buy)).to eq 420.2226
-      expect(strategy.get_amount(:sell)).to eq 171.3393
+      expect(strategy.get_amount(:buy)).to eq 420.222679
+      expect(strategy.get_amount(:sell)).to eq 171.339326
     end
 
     it "does not limit the amount of sell and buy orders when it doesn't exceed 60% of linked strategy open orders total supply" do
diff --git a/spec/support/contexts/binance_context.rb b/spec/support/contexts/binance_context.rb
index 9a808c11..37758e39 100644
--- a/spec/support/contexts/binance_context.rb
+++ b/spec/support/contexts/binance_context.rb
@@ -46,23 +46,58 @@
                               {"rateLimitType": "ORDERS", "interval": "DAY", "intervalNum": 1, "limit": 100_000}],
           "exchangeFilters": [],
           "symbols":
-                             [{:symbol                 => "ETHUSDT",
-                               :status                 => "TRADING",
-                               :baseAsset              => "ETH",
-                               "baseAssetPrecision"    => 8,
-                               :quoteAsset             => "USDT",
-                               :quotePrecision         => 8,
-                               :orderTypes             => %w[LIMIT LIMIT_MAKER MARKET STOP_LOSS_LIMIT TAKE_PROFIT_LIMIT],
-                               :icebergAllowed         => true,
-                               :isSpotTradingAllowed   => true,
-                               :isMarginTradingAllowed => true,
-                               :filters                => [{"filterType": "PRICE_FILTER", "minPrice": "0.01000000", "maxPrice": "10000000.00000000", "tickSize": "0.01000000"},
-                                                           {"filterType": "PERCENT_PRICE", "multiplierUp": "5", "multiplierDown": "0.2", "avgPriceMins": 5},
-                                                           {"filterType": "LOT_SIZE", "minQty": "0.00001000", "maxQty": "10000000.00000000", "stepSize": "0.00001000"},
-                                                           {"filterType": "MIN_NOTIONAL", "minNotional": "10.00000000", "applyToMarket": true, "avgPriceMins": 5},
-                                                           {"filterType": "ICEBERG_PARTS", "limit": 10},
-                                                           {"filterType": "MARKET_LOT_SIZE", "minQty": "0.00000000", "maxQty": "52400.00000000", "stepSize": "0.00000000"},
-                                                           {"filterType": "MAX_NUM_ALGO_ORDERS", "maxNumAlgoOrders": 5}]}]
+                             [
+                               {:symbol                 => "ETHUSDT",
+                                :status                 => "TRADING",
+                                :baseAsset              => "ETH",
+                                "baseAssetPrecision"    => 8,
+                                :quoteAsset             => "USDT",
+                                :quotePrecision         => 8,
+                                :orderTypes             => %w[LIMIT LIMIT_MAKER MARKET STOP_LOSS_LIMIT TAKE_PROFIT_LIMIT],
+                                :icebergAllowed         => true,
+                                :isSpotTradingAllowed   => true,
+                                :isMarginTradingAllowed => true,
+                                :filters                => [
+                                  {"filterType": "PRICE_FILTER", "minPrice": "0.01000000", "maxPrice": "10000000.00000000", "tickSize": "0.01000000"},
+                                  {"filterType": "PERCENT_PRICE", "multiplierUp": "5", "multiplierDown": "0.2", "avgPriceMins": 5},
+                                  {"filterType": "LOT_SIZE", "minQty": "0.00001000", "maxQty": "10000000.00000000", "stepSize": "0.00001000"},
+                                  {"filterType": "MIN_NOTIONAL", "minNotional": "10.00000000", "applyToMarket": true, "avgPriceMins": 5},
+                                  {"filterType": "ICEBERG_PARTS", "limit": 10},
+                                  {"filterType": "MARKET_LOT_SIZE", "minQty": "0.00000000", "maxQty": "52400.00000000", "stepSize": "0.00000000"},
+                                  {"filterType": "MAX_NUM_ALGO_ORDERS", "maxNumAlgoOrders": 5}
+                                ]},
+                               {
+                                 "symbol":                     "BTCUSDT",
+                                 "status":                     "TRADING",
+                                 "baseAsset":                  "BTC",
+                                 "baseAssetPrecision":         8,
+                                 "quoteAsset":                 "USDT",
+                                 "quotePrecision":             8,
+                                 "baseCommissionPrecision":    8,
+                                 "quoteCommissionPrecision":   8,
+                                 "orderTypes":                 %w[
+                                   LIMIT
+                                   LIMIT_MAKER
+                                   MARKET
+                                   STOP_LOSS_LIMIT
+                                   TAKE_PROFIT_LIMIT
+                                 ],
+                                 "icebergAllowed":             true,
+                                 "ocoAllowed":                 true,
+                                 "quoteOrderQtyMarketAllowed": true,
+                                 "isSpotTradingAllowed":       true,
+                                 "isMarginTradingAllowed":     true,
+                                 "filters":                    [
+                                   {"filterType": "PRICE_FILTER", "minPrice": "0.01000000", "maxPrice": "1000000.00000000", "tickSize": "0.01000000"},
+                                   {"filterType": "PERCENT_PRICE", "multiplierUp": "5", "multiplierDown": "0.2", "avgPriceMins": 5},
+                                   {"filterType": "LOT_SIZE", "minQty": "0.00000100", "maxQty": "9000.00000000", "stepSize": "0.00000100"},
+                                   {"filterType": "MIN_NOTIONAL", "minNotional": "10.00000000", "applyToMarket": true, "avgPriceMins": 5},
+                                   {"filterType": "ICEBERG_PARTS", "limit": 10},
+                                   {"filterType": "MARKET_LOT_SIZE", "minQty": "0.00000000", "maxQty": "3200.00000000", "stepSize": "0.00000000"},
+                                   {"filterType": "MAX_NUM_ALGO_ORDERS", "maxNumAlgoOrders": 5}
+                                 ]
+                               }
+                             ]
         }.to_json,
         headers: {
           "content-type" => "application/json;charset=utf-8",
diff --git a/spec/support/contexts/bitfinex_context.rb b/spec/support/contexts/bitfinex_context.rb
index 9f9e90ac..88ce7da7 100644
--- a/spec/support/contexts/bitfinex_context.rb
+++ b/spec/support/contexts/bitfinex_context.rb
@@ -104,5 +104,40 @@
           "available": "100"
         }
       ].to_json, headers: {"content-type" => "application/json;charset=utf-8"})
+
+    stub_request(:get, "https://api.bitfinex.com/v1/symbols_details")
+      .to_return(status: 200,
+    body: [
+      {
+        "pair":               "btcusd",
+        "price_precision":    5,
+        "initial_margin":     "30.0",
+        "minimum_margin":     "15.0",
+        "maximum_order_size": "2000.0",
+        "minimum_order_size": "0.0006",
+        "expiration":         "NA",
+        "margin":             true
+      },
+      {
+        "pair":               "ltcusd",
+        "price_precision":    5,
+        "initial_margin":     "30.0",
+        "minimum_margin":     "15.0",
+        "maximum_order_size": "5000.0",
+        "minimum_order_size": "0.2",
+        "expiration":         "NA",
+        "margin":             true
+      },
+      {
+        "pair":               "ethusd",
+        "price_precision":    5,
+        "initial_margin":     "30.0",
+        "minimum_margin":     "15.0",
+        "maximum_order_size": "5000.0",
+        "minimum_order_size": "0.04",
+        "expiration":         "NA",
+        "margin":             true
+      },
+    ].to_json, headers: {"content-type" => "application/json;charset=utf-8"})
   end
 end
diff --git a/spec/support/contexts/huobi_context.rb b/spec/support/contexts/huobi_context.rb
index 859c0399..f6cfd43e 100644
--- a/spec/support/contexts/huobi_context.rb
+++ b/spec/support/contexts/huobi_context.rb
@@ -24,6 +24,88 @@
         headers: {}
       )
 
+    stub_request(:get, "https://api.huobi.pro/v1/common/symbols")
+      .to_return(
+        status:  200,
+        body:    {
+          "status": "ok",
+          "data":   [
+            {
+              "base-currency":               "btc",
+              "quote-currency":              "usdt",
+              "price-precision":             2,
+              "amount-precision":            6,
+              "symbol-partition":            "main",
+              "symbol":                      "btcusdt",
+              "state":                       "online",
+              "value-precision":             8,
+              "min-order-amt":               0.0001,
+              "max-order-amt":               1000,
+              "min-order-value":             1,
+              "leverage-ratio":              5,
+              "super-margin-leverage-ratio": 3
+            },
+            {
+              "base-currency":               "eth",
+              "quote-currency":              "usdt",
+              "price-precision":             2,
+              "amount-precision":            4,
+              "symbol-partition":            "main",
+              "symbol":                      "ethusdt",
+              "state":                       "online",
+              "value-precision":             8,
+              "min-order-amt":               0.001,
+              "max-order-amt":               10_000,
+              "min-order-value":             1,
+              "leverage-ratio":              5,
+              "super-margin-leverage-ratio": 3
+            },
+            {
+              "base-currency":    "mtx",
+              "quote-currency":   "eth",
+              "price-precision":  8,
+              "amount-precision": 2,
+              "symbol-partition": "innovation",
+              "symbol":           "mtxeth",
+              "state":            "online",
+              "value-precision":  8,
+              "min-order-amt":    0.1,
+              "max-order-amt":    1_000_000,
+              "min-order-value":  0.001
+            },
+            {
+              "base-currency":    "zla",
+              "quote-currency":   "btc",
+              "price-precision":  8,
+              "amount-precision": 2,
+              "symbol-partition": "innovation",
+              "symbol":           "zlabtc",
+              "state":            "online",
+              "value-precision":  8,
+              "min-order-amt":    0.1,
+              "max-order-amt":    1_000_000,
+              "min-order-value":  0.0001
+            },
+            {
+              "base-currency":    "wtc",
+              "quote-currency":   "usdt",
+              "price-precision":  4,
+              "amount-precision": 4,
+              "symbol-partition": "innovation",
+              "symbol":           "wtcusdt",
+              "state":            "online",
+              "value-precision":  8,
+              "min-order-amt":    0.1,
+              "max-order-amt":    300_000,
+              "min-order-value":  1
+            },
+          ]
+        }.to_json,
+        headers: {
+          "content-type" => "application/json;charset=utf-8"
+        }
+      )
+
     stub_request(:get, build_url("/v1/account/accounts", "GET"))
       .to_return(status: 200, body: {
         "data": [
@@ -124,7 +206,7 @@ def build_url(path, method)
       AccessKeyId:      api_key,
       SignatureMethod:  "HmacSHA256",
       SignatureVersion: 2,
-      Timestamp:        Time.now.getutc.strftime("%Y-%m-%dT%H:%M:%S")
+      Timestamp:        Time.now.getutc.strftime("%Y-%m-%dT%H")
     }
     data = "#{method}\napi.huobi.pro\n#{path}\n#{Rack::Utils.build_query(hash_sort(h))}"
     h["Signature"] = Base64.encode64(OpenSSL::HMAC.digest("sha256", secret, data)).gsub("\n", "")
diff --git a/spec/support/contexts/kraken_context.rb b/spec/support/contexts/kraken_context.rb
new file mode 100644
index 00000000..e8bedefb
--- /dev/null
+++ b/spec/support/contexts/kraken_context.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+shared_context "mocked kraken" do
+  before(:each) do
+    stub_request(:get, "https://api.kraken.com/0/public/AssetPairs")
+      .to_return(
+        status:  200,
+        body:    file_fixture("kraken-assets.json").read,
+        headers: {
+          "content-type" => "application/json; charset=utf-8"
+        }
+      )
+  end
+end
diff --git a/spec/support/contexts/rubykube_context.rb b/spec/support/contexts/rubykube_context.rb
index fb5b7d35..f40dd62c 100644
--- a/spec/support/contexts/rubykube_context.rb
+++ b/spec/support/contexts/rubykube_context.rb
@@ -56,5 +56,49 @@
         ].to_json,
         headers: {}
       )
+
+    stub_request(:get, %r{peatio/public/markets})
+      .to_return(
+        status:  200,
+        body:    [
+          {
+            "id"               => "ethbtc",
+            "name"             => "ETH/BTC",
+            "base_unit"        => "eth",
+            "quote_unit"       => "btc",
+            "min_price"        => "0.001",
+            "max_price"        => "0.3",
+            "min_amount"       => "0.025",
+            "amount_precision" => 4,
+            "price_precision"  => 6,
+            "state"            => "enabled"
+          },
+          {
+            "id"               => "btcusd",
+            "name"             => "BTC/USD",
+            "base_unit"        => "btc",
+            "quote_unit"       => "usd",
+            "min_price"        => "100.0",
+            "max_price"        => "100000.0",
+            "min_amount"       => "0.0005",
+            "amount_precision" => 6,
+            "price_precision"  => 2,
+            "state"            => "enabled"
+          },
+          {
+            "id"               => "ethusd",
+            "name"             => "ETH/USD",
+            "base_unit"        => "eth",
+            "quote_unit"       => "usd",
+            "min_price"        => "100.0",
+            "max_price"        => "100000.0",
+            "min_amount"       => "0.0005",
+            "amount_precision" => 4,
+            "price_precision"  => 2,
+            "state"            => "enabled"
+          }
+        ].to_json,
+        headers: {}
+      )
   end
 end