Updated version

CryptoExchange.Net.UnitTests/ConverterTests.cs

@@ -20,6 +20,8 @@ namespace CryptoExchange.Net.UnitTests
         [TestCase("1620777600000")]
         [TestCase("2021-05-12T00:00:00.000Z")]
         [TestCase("2021-05-12T00:00:00.000000000Z")]
+        [TestCase("0.000000", true)]
+        [TestCase("0", true)]
         [TestCase("", true)]
         [TestCase("  ", true)]
         public void TestDateTimeConverterString(string input, bool expectNull = false)
@@ -162,6 +164,44 @@ namespace CryptoExchange.Net.UnitTests
             var output = JsonConvert.DeserializeObject<NotNullableEnumObject>($"{{ \"Value\": {val} }}");
             Assert.AreEqual(output.Value, expected);
         }
+
+        [TestCase("1", true)]
+        [TestCase("true", true)]
+        [TestCase("yes", true)]
+        [TestCase("y", true)]
+        [TestCase("on", true)]
+        [TestCase("-1", false)]
+        [TestCase("0", false)]
+        [TestCase("n", false)]
+        [TestCase("no", false)]
+        [TestCase("false", false)]
+        [TestCase("off", false)]
+        [TestCase("", null)]
+        public void TestBoolConverter(string value, bool? expected)
+        {
+            var val = value == null ? "null" : $"\"{value}\"";
+            var output = JsonConvert.DeserializeObject<BoolObject>($"{{ \"Value\": {val} }}");
+            Assert.AreEqual(output.Value, expected);
+        }
+
+        [TestCase("1", true)]
+        [TestCase("true", true)]
+        [TestCase("yes", true)]
+        [TestCase("y", true)]
+        [TestCase("on", true)]
+        [TestCase("-1", false)]
+        [TestCase("0", false)]
+        [TestCase("n", false)]
+        [TestCase("no", false)]
+        [TestCase("false", false)]
+        [TestCase("off", false)]
+        [TestCase("", false)]
+        public void TestBoolConverterNotNullable(string value, bool expected)
+        {
+            var val = value == null ? "null" : $"\"{value}\"";
+            var output = JsonConvert.DeserializeObject<NotNullableBoolObject>($"{{ \"Value\": {val} }}");
+            Assert.AreEqual(output.Value, expected);
+        }
     }
 
     public class TimeObject
@@ -180,6 +220,18 @@ namespace CryptoExchange.Net.UnitTests
         public TestEnum Value { get; set; }
     }
 
+    public class BoolObject
+    {
+        [JsonConverter(typeof(BoolConverter))]
+        public bool? Value { get; set; }
+    }
+
+    public class NotNullableBoolObject
+    {
+        [JsonConverter(typeof(BoolConverter))]
+        public bool Value { get; set; }
+    }
+
     [JsonConverter(typeof(EnumConverter))]
     public enum TestEnum
     {

CryptoExchange.Net/Converters/BoolConverter.cs

@@ -34,7 +34,16 @@ namespace CryptoExchange.Net.Converters
         /// </returns>
         public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
         {
-            switch (reader.Value?.ToString().ToLower().Trim())
+            var value = reader.Value?.ToString().ToLower().Trim();
+            if (value == null || value == "")
+            {
+                if (Nullable.GetUnderlyingType(objectType) != null)
+                    return null;
+
+                return false;
+            }
+
+            switch (value)
             {
                 case "true":
                 case "yes":

CryptoExchange.Net/Converters/DateTimeConverter.cs

@@ -61,7 +61,7 @@ namespace CryptoExchange.Net.Converters
 
                 if (string.IsNullOrWhiteSpace(stringValue)
                     || stringValue == "-1"
-                    || (double.TryParse(stringValue, out var doubleValue) && doubleValue == 0))
+                    || (double.TryParse(stringValue, out var doubleVal) && doubleVal == 0))
                 {
                     return objectType == typeof(DateTime) ? default(DateTime) : null;
                 }

CryptoExchange.Net/CryptoExchange.Net.csproj

@@ -6,16 +6,16 @@
     <PackageId>CryptoExchange.Net</PackageId>
     <Authors>JKorf</Authors>
     <Description>A base package for implementing cryptocurrency API's</Description>
-    <PackageVersion>6.2.4</PackageVersion>
-    <AssemblyVersion>6.2.4</AssemblyVersion>
-    <FileVersion>6.2.4</FileVersion>
+    <PackageVersion>6.2.5</PackageVersion>
+    <AssemblyVersion>6.2.5</AssemblyVersion>
+    <FileVersion>6.2.5</FileVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/JKorf/CryptoExchange.Net.git</RepositoryUrl>
     <PackageProjectUrl>https://github.com/JKorf/CryptoExchange.Net</PackageProjectUrl>
     <NeutralLanguage>en</NeutralLanguage>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <PackageReleaseNotes>6.2.4 - Fixed parsing of DateTime value of zero with additional zero decimal places</PackageReleaseNotes>
+    <PackageReleaseNotes>6.2.5 - Added support for deserializing null and empty string values to BoolConverter</PackageReleaseNotes>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>

README.md

@@ -31,6 +31,9 @@ Make a one time donation in a crypto currency of your choice. If you prefer to d
 Alternatively, sponsor me on Github using [Github Sponsors](https://github.com/sponsors/JKorf). 
 
 ## Release notes
+* Version 6.2.5 - 09 Jan 2024
+    * Added support for deserializing null and empty string values to BoolConverter
+
 * Version 6.2.4 - 04 Jan 2024
     * Fixed parsing of DateTime value of zero with additional zero decimal places