Fixes #34: Add support for Product.BaseIncrement.

Add support for Product.TradingDisabled.
Add support for MarketData.GetSingleProductAsync.
More XML docs to Coinbase.Pro.Models.Product.
Update HISTORY.md
Update Verify files regarding Product

HISTORY.md

@@ -1,3 +1,9 @@
+## v4.1.1
+* Issue 34: Add support for Product.BaseIncrement.
+* Add support for Product.TradingDisabled.
+* Add support for MarketData.GetSingleProductAsync.
+* More XML docs to Coinbase.Pro.Models.Product.
+
 ## v4.0.1
 * PR 33: Changes Before and After pagination types from `long` to `string` because some endpoints use date/time strings. Thanks devax!
 

Source/Coinbase.Pro/CoinbaseProClient.MarketData.cs

@@ -13,14 +13,20 @@ public interface IMarketDataEndpoint
       /// <summary>
       /// Get a list of available currency pairs for trading.
       /// </summary>
-      /// <param name="cancellationToken"></param>
       /// <remarks>
       /// The base_min_size and base_max_size fields define the min and max order size. The quote_increment field specifies the min order price as well as the price increment.
       /// The order price must be a multiple of this increment(i.e. if the increment is 0.01, order prices of 0.001 or 0.021 would be rejected).
       /// Product ID will not change once assigned to a product but the min/max/quote sizes can be updated in the future.
       /// </remarks>
       Task<List<Product>> GetProductsAsync(CancellationToken cancellationToken = default);
 
+      /// <summary>
+      /// Get market data for a specific currency pair.
+      /// </summary>
+      /// <param name="productId">Required; the product id. eg: 'BTC-USD'</param>
+      /// <returns></returns>
+      Task<Product> GetSingleProductAsync(string productId, CancellationToken cancellationToken = default);
+
       /// <summary>
       /// Get a list of open orders for a product. The amount of detail shown can be customized with the level parameter.
       /// </summary>
@@ -86,6 +92,14 @@ Task<List<Product>> IMarketDataEndpoint.GetProductsAsync(CancellationToken cance
             .GetJsonAsync<List<Product>>(cancellationToken);
       }
 
+      Task<Product> IMarketDataEndpoint.GetSingleProductAsync(string productId, CancellationToken cancellationToken)
+      {
+         return this.ProductsEndpoint
+            .AppendPathSegment(productId)
+            .WithClient(this)
+            .GetJsonAsync<Product>(cancellationToken);
+      }
+
       Task<OrderBook> IMarketDataEndpoint.GetOrderBookAsync(string productId, int level, CancellationToken cancellationToken)
       {
          return this.ProductsEndpoint

Source/Coinbase.Pro/Models/Objects.cs

@@ -12,12 +12,22 @@ public partial class Product : Json
       [JsonProperty("base_currency")]
       public string BaseCurrency { get; set; }
 
+      /// <summary>
+      /// The base_min_size and base_max_size fields define the min and max order size.
+      /// </summary>
       [JsonProperty("base_max_size")]
       public decimal BaseMaxSize { get; set; }
 
+      /// <summary>
+      /// The base_min_size and base_max_size fields define the min and max order size.
+      /// </summary>
       [JsonProperty("base_min_size")]
       public decimal BaseMinSize { get; set; }
 
+      /// <summary>
+      /// cancel_only indicates whether this product only accepts cancel requests for orders.
+      /// Only a maximum of one of trading_disabled, cancel_only, post_only, limit_only can be true at once. If none are true, the product is trading normally.
+      /// </summary>
       [JsonProperty("cancel_only")]
       public bool CancelOnly { get; set; }
 
@@ -27,30 +37,64 @@ public partial class Product : Json
       [JsonProperty("id")]
       public string Id { get; set; }
 
+      /// <summary>
+      /// limit_only indicates whether this product only accepts limit orders.
+      /// Only a maximum of one of trading_disabled, cancel_only, post_only, limit_only can be true at once. If none are true, the product is trading normally.
+      /// </summary>
       [JsonProperty("limit_only")]
       public bool LimitOnly { get; set; }
 
       [JsonProperty("margin_enabled")]
       public bool MarginEnabled { get; set; }
 
+      /// <summary>
+      /// The min_market_funds and max_market_funds fields define the min and max funds allowed in a market order.
+      /// </summary>
       [JsonProperty("max_market_funds")]
       public decimal? MaxMarketFunds { get; set; }
 
+      /// <summary>
+      /// The min_market_funds and max_market_funds fields define the min and max funds allowed in a market order.
+      /// </summary>
       [JsonProperty("min_market_funds")]
       public decimal? MinMarketFunds { get; set; }
 
+      /// <summary>
+      /// post_only indicates whether only maker orders can be placed. No orders will be matched when post_only mode is active.
+      /// Only a maximum of one of trading_disabled, cancel_only, post_only, limit_only can be true at once. If none are true, the product is trading normally.
+      /// </summary>
       [JsonProperty("post_only")]
       public bool PostOnly { get; set; }
 
+      /// <summary>
+      /// trading_disabled indicates whether trading is currently restricted on this product, this includes whether both new orders and order cancelations are restricted.
+      /// Only a maximum of one of trading_disabled, cancel_only, post_only, limit_only can be true at once. If none are true, the product is trading normally.
+      /// </summary>
+      [JsonProperty("trading_disabled")]
+      public bool TradingDisabled { get; set; }
+
       [JsonProperty("quote_currency")]
       public string QuoteCurrency { get; set; }
 
+      /// <summary>
+      /// The quote_increment field specifies the min order price as well as the price increment.
+      /// The order price must be a multiple of this increment (i.e. if the increment is 0.01, order prices of 0.001 or 0.021 would be rejected).
+      /// </summary>
       [JsonProperty("quote_increment")]
       public decimal QuoteIncrement { get; set; }
 
+      /// <summary>
+      /// The base_increment field specifies the minimum increment for the base_currency.
+      /// </summary>
+      [JsonProperty("base_increment")]
+      public decimal BaseIncrement { get; set; }
+
       [JsonProperty("status")]
       public string Status { get; set; }
 
+      /// <summary>
+      /// status_message provides any extra information regarding the status if available.
+      /// </summary>
       [JsonProperty("status_message")]
       public object StatusMessage { get; set; }
    }