net7 and support IOS, Android, Windows, Mac OS

.gitignore

@@ -20,3 +20,7 @@
 /EosSharp/EosSharp.UnitTests.Unity3D/UnityTester/Assets/Plugins
 /EosSharp/EosSharp.UnitTests.Unity3D/UnityTester/.vs/UnityTester/v15
 /EosSharp/EosSharp.UnitTests.Unity3D/UnityTester/obj/Debug
+.vs/eos-sharp-maui/v17/.wsuo
+.vs/VSWorkspaceState.json
+.vs/eos-sharp-maui/v17/.wsuo
+.vs/eos-sharp-maui/v17/.wsuo

EosSharp/EosSharp.Core/EosSharp.Core.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

EosSharp/EosSharp.Core/Helpers/SerializationHelper.cs

@@ -5,6 +5,8 @@
 using System.Linq;
 using System.Runtime.Serialization.Formatters.Binary;
 using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 
 namespace EosSharp.Core.Helpers
 {
@@ -214,15 +216,19 @@ public static byte[] ObjectToByteArray(object obj)
         {
             if (obj == null)
                 return null;
+            return Encoding.UTF8.GetBytes(JsonSerializer.Serialize(obj, GetJsonSerializerOptions()));
+        }
 
-            BinaryFormatter bf = new BinaryFormatter();
-            using (MemoryStream ms = new MemoryStream())
+        private static JsonSerializerOptions GetJsonSerializerOptions()
+        {
+            return new JsonSerializerOptions()
             {
-                bf.Serialize(ms, obj);
-                return ms.ToArray();
-            }
+                PropertyNamingPolicy = null,
+                WriteIndented = true,
+                AllowTrailingCommas = true,
+                DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+            };
         }
-
         /// <summary>
         /// Encode byte array to hexadecimal string
         /// </summary>

EosSharp/EosSharp.Core/Providers/AbiSerializationProvider.cs

@@ -122,6 +122,7 @@ public async Task<byte[]> SerializePackedTransaction(Transaction trx)
             int actionIndex = 0;
             var abiResponses = await GetTransactionAbis(trx);
 
+
             using (MemoryStream ms = new MemoryStream())
             {
                 //trx headers
@@ -310,7 +311,7 @@ public async Task<Abi> GetAbi(string accountName)
             var result = await Api.GetRawAbi(new GetRawAbiRequest()
             {
                 account_name = accountName
-            });
+            },true);
 
             return DeserializePackedAbi(result.abi);
         }