diff --git a/net/src/Substrate.Gear.Client/Model/Types/Base/BaseNonZero.cs b/net/src/Substrate.Gear.Client/Model/Types/Base/BaseNonZero.cs
new file mode 100644
index 00000000..25761f57
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Base/BaseNonZero.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using Substrate.NetApi.Model.Types.Base;
+
+namespace Substrate.Gear.Client.Model.Types.Base;
+
+public class BaseNonZero<T> : BaseType
+    where T : BaseType, new()
+{
+    public static explicit operator BaseNonZero<T>(T value) => new(value);
+
+    /// <summary>
+    /// >> value
+    /// </summary>
+    public required T Value { get; set; }
+
+    public BaseNonZero()
+    {
+    }
+
+    [SetsRequiredMembers]
+    public BaseNonZero(T value)
+    {
+        var span = value.Bytes.AsSpan();
+        if (span.IsZero())
+        {
+            throw new InvalidOperationException($"Unable to create a {this.TypeName()} instance while value is zero");
+        }
+        this.TypeSize = value.TypeSize;
+        this.Bytes = span.ToArray();
+        this.Value = value;
+    }
+
+    /// <inheritdoc/>
+    public override byte[] Encode() => this.Value.Encode();
+
+    /// <inheritdoc/>
+    public override void Decode(byte[] byteArray, ref int p)
+    {
+        var start = p;
+        this.Value = new();
+        this.Value.Decode(byteArray, ref p);
+        var bytesLength = p - start;
+        if (byteArray.AsSpan().Slice(p, bytesLength).IsZero())
+        {
+            throw new InvalidOperationException($"Unable to create a {this.TypeName()} instance while value is zero");
+        }
+        this.TypeSize = bytesLength;
+        this.Bytes = new byte[bytesLength];
+        Array.Copy(byteArray, start, this.Bytes, 0, bytesLength);
+    }
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Base/BaseResult.cs b/net/src/Substrate.Gear.Client/Model/Types/Base/BaseResult.cs
new file mode 100644
index 00000000..ab94434d
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Base/BaseResult.cs
@@ -0,0 +1,39 @@
+using Substrate.NetApi.Model.Types;
+using Substrate.NetApi.Model.Types.Base;
+
+namespace Substrate.Gear.Client.Model.Types.Base;
+
+/// <summary>
+/// Result
+/// </summary>
+public enum BaseResult
+{
+
+    /// <summary>
+    /// >> Ok
+    /// </summary>
+    Ok = 0,
+
+    /// <summary>
+    /// >> Err
+    /// </summary>
+    Err = 1,
+}
+
+/// <summary>
+/// EnumResult
+/// </summary>
+public sealed class EnumBaseResult<T1, T2> : BaseEnumRust<BaseResult>
+    where T1 : IType, new()
+    where T2 : IType, new()
+{
+
+    /// <summary>
+    /// Initializes a new instance of the class.
+    /// </summary>
+    public EnumBaseResult()
+    {
+        this.AddTypeDecoder<T1>(BaseResult.Ok);
+        this.AddTypeDecoder<T2>(BaseResult.Err);
+    }
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Base/SpanExtensions.cs b/net/src/Substrate.Gear.Client/Model/Types/Base/SpanExtensions.cs
new file mode 100644
index 00000000..2e862135
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Base/SpanExtensions.cs
@@ -0,0 +1,22 @@
+using System;
+
+namespace Substrate.Gear.Client.Model.Types.Base;
+
+internal static class SpanExtensions
+{
+
+    /// <summary>
+    /// Returns true if all bytes are zero
+    /// </summary>
+    /// <param name="bytes"></param>
+    /// <returns></returns>
+    public static bool IsZero(this Span<byte> bytes)
+    {
+        byte sum = 0;
+        foreach (var b in bytes)
+        {
+            sum |= b;
+        }
+        return sum == 0;
+    }
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Primitive/H160.cs b/net/src/Substrate.Gear.Client/Model/Types/Primitive/H160.cs
new file mode 100644
index 00000000..fa08e6bf
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Primitive/H160.cs
@@ -0,0 +1,37 @@
+using System;
+using Substrate.Gear.Api.Generated.Types.Base;
+using Substrate.NetApi.Attributes;
+using Substrate.NetApi.Model.Types.Base;
+using Substrate.NetApi.Model.Types.Metadata.Base;
+
+namespace Substrate.Gear.Client.Model.Types.Primitive;
+
+/// <summary>
+/// H160
+/// </summary>
+[SubstrateNodeType(TypeDefEnum.Composite)]
+public sealed class H160 : BaseType
+{
+    /// <summary>
+    /// >> value
+    /// </summary>
+    public required Arr20U8 Value { get; set; }
+
+    /// <inheritdoc/>
+    public override string TypeName() => nameof(H160);
+
+    /// <inheritdoc/>
+    public override byte[] Encode() => this.Value.Encode();
+
+    /// <inheritdoc/>
+    public override void Decode(byte[] byteArray, ref int p)
+    {
+        var start = p;
+        this.Value = new();
+        this.Value.Decode(byteArray, ref p);
+        var bytesLength = p - start;
+        this.TypeSize = bytesLength;
+        this.Bytes = new byte[bytesLength];
+        Array.Copy(byteArray, start, this.Bytes, 0, bytesLength);
+    }
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU128.cs b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU128.cs
new file mode 100644
index 00000000..ae22530a
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU128.cs
@@ -0,0 +1,16 @@
+using Substrate.Gear.Client.Model.Types.Base;
+using Substrate.NetApi.Attributes;
+using Substrate.NetApi.Model.Types.Metadata.Base;
+using Substrate.NetApi.Model.Types.Primitive;
+
+namespace Substrate.Gear.Client.Model.Types.Primitive;
+
+/// <summary>
+/// NonZeroU128
+/// </summary>
+[SubstrateNodeType(TypeDefEnum.Composite)]
+public sealed class NonZeroU128 : BaseNonZero<U128>
+{
+    /// <inheritdoc/>
+    public override string TypeName() => nameof(NonZeroU128);
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU16.cs b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU16.cs
new file mode 100644
index 00000000..02008ed7
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU16.cs
@@ -0,0 +1,16 @@
+using Substrate.Gear.Client.Model.Types.Base;
+using Substrate.NetApi.Attributes;
+using Substrate.NetApi.Model.Types.Metadata.Base;
+using Substrate.NetApi.Model.Types.Primitive;
+
+namespace Substrate.Gear.Client.Model.Types.Primitive;
+
+/// <summary>
+/// NonZeroU16
+/// </summary>
+[SubstrateNodeType(TypeDefEnum.Composite)]
+public sealed class NonZeroU16 : BaseNonZero<U16>
+{
+    /// <inheritdoc/>
+    public override string TypeName() => nameof(NonZeroU16);
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU256.cs b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU256.cs
new file mode 100644
index 00000000..e16b32fa
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU256.cs
@@ -0,0 +1,16 @@
+using Substrate.Gear.Client.Model.Types.Base;
+using Substrate.NetApi.Attributes;
+using Substrate.NetApi.Model.Types.Metadata.Base;
+using Substrate.NetApi.Model.Types.Primitive;
+
+namespace Substrate.Gear.Client.Model.Types.Primitive;
+
+/// <summary>
+/// NonZeroU256
+/// </summary>
+[SubstrateNodeType(TypeDefEnum.Composite)]
+public sealed class NonZeroU256 : BaseNonZero<U256>
+{
+    /// <inheritdoc/>
+    public override string TypeName() => nameof(NonZeroU256);
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU64.cs b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU64.cs
new file mode 100644
index 00000000..de3b5ac1
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU64.cs
@@ -0,0 +1,16 @@
+using Substrate.Gear.Client.Model.Types.Base;
+using Substrate.NetApi.Attributes;
+using Substrate.NetApi.Model.Types.Metadata.Base;
+using Substrate.NetApi.Model.Types.Primitive;
+
+namespace Substrate.Gear.Client.Model.Types.Primitive;
+
+/// <summary>
+/// NonZeroU64
+/// </summary>
+[SubstrateNodeType(TypeDefEnum.Composite)]
+public sealed class NonZeroU64 : BaseNonZero<U64>
+{
+    /// <inheritdoc/>
+    public override string TypeName() => nameof(NonZeroU64);
+}
diff --git a/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU8.cs b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU8.cs
new file mode 100644
index 00000000..59439d9b
--- /dev/null
+++ b/net/src/Substrate.Gear.Client/Model/Types/Primitive/NonZeroU8.cs
@@ -0,0 +1,16 @@
+using Substrate.Gear.Client.Model.Types.Base;
+using Substrate.NetApi.Attributes;
+using Substrate.NetApi.Model.Types.Metadata.Base;
+using Substrate.NetApi.Model.Types.Primitive;
+
+namespace Substrate.Gear.Client.Model.Types.Primitive;
+
+/// <summary>
+/// NonZeroU8
+/// </summary>
+[SubstrateNodeType(TypeDefEnum.Composite)]
+public sealed class NonZeroU8 : BaseNonZero<U8>
+{
+    /// <inheritdoc/>
+    public override string TypeName() => nameof(NonZeroU8);
+}