Fix: suppress obsolete API warnings and CA2265 Span null checks

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node-terminal",
+            "name": "JavaScript Debug Terminal",
+            "request": "launch",
+            "cwd": "${workspaceFolder}"
+        }
+    ]
+}

Src/FinderOuter/Backend/ECC/Calc2.cs

@@ -154,7 +154,9 @@ public bool Test()
 
             string actual = final.ToArray().ToBase16();
 
+#pragma warning disable CS0612
             using PrivateKey key = new(data.ToArray());
+#pragma warning restore CS0612
             string expected = key.ToPublicKey().ToByteArray(false).ToBase16();
 
             Debug.Assert(actual == expected);

Src/FinderOuter/Backend/Hashing/Hash160Fo.cs

@@ -186,7 +186,7 @@ public static unsafe byte[] Compress33(Span<byte> data)
 
         public static unsafe byte[] Compress65(Span<byte> data)
         {
-            Debug.Assert(data != null && data.Length == 65);
+            Debug.Assert(data.Length == 65);
 
             uint* pt = stackalloc uint[Sha256Fo.UBufferSize];
             fixed (byte* dPt = &data[0])

Src/FinderOuter/Backend/Hashing/Sha256Fo.cs

@@ -2321,7 +2321,7 @@ public static unsafe void CompressDouble40(uint* pt)
         /// <param name="data">65 byte data</param>
         public static unsafe byte[] CompressDouble65(Span<byte> data)
         {
-            Debug.Assert(data != null && data.Length == 65);
+            Debug.Assert(data.Length == 65);
 
             uint* pt = stackalloc uint[UBufferSize];
             fixed (byte* dPt = &data[0])

Src/FinderOuter/FinderOuter.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <AssemblyVersion>0.20.0.0</AssemblyVersion>
     <FileVersion>0.20.0.0</FileVersion>
     <Version>0.20.0.0</Version>

Src/FinderOuter/Services/ArmoryService.cs

@@ -36,7 +36,9 @@ public ArmoryService(IReport rep)
         private int[] missingIndexes;
         private bool hasChainCode;
         private byte[] chainCode;
+#pragma warning disable CS0612
         private readonly BigInteger N = new SecP256k1().N;
+#pragma warning restore CS0612
 
 
 

Src/FinderOuter/Services/Base58Service.cs

@@ -60,7 +60,9 @@ private bool IsMissingFromEnd()
         private BigInteger wifEndStart;
         private void SetResultParallelWifEnd(int added)
         {
+#pragma warning disable CS0612
             using PrivateKey tempKey = new(wifEndStart + added);
+#pragma warning restore CS0612
             string tempWif = tempKey.ToWif(isWifEndCompressed);
             report.AddMessageSafe($"Found the key: {tempWif}");
             report.FoundAnyResult = true;
@@ -141,7 +143,9 @@ private void WifLoopMissingEnd(bool compressed)
             BigInteger diff = end - start + 1;
             report.AddMessageSafe($"Using an optimized method checking only {diff:n0} keys.");
 
+#pragma warning disable CS0612
             Autarkysoft.Bitcoin.Cryptography.Asymmetric.EllipticCurve.SecP256k1 curve = new();
+#pragma warning restore CS0612
             if (start == 0 || end >= curve.N)
             {
                 report.AddMessageSafe("There is something wrong with the given key, it is outside of valid key range.");
@@ -154,7 +158,9 @@ private void WifLoopMissingEnd(bool compressed)
             {
                 for (int i = 0; i < (int)diff; i++)
                 {
+#pragma warning disable CS0612
                     using PrivateKey tempKey = new(start + i);
+#pragma warning restore CS0612
                     string tempWif = tempKey.ToWif(compressed);
                     if (tempWif.Contains(baseWif))
                     {

Src/FinderOuter/Services/Comparers/PrvToPrvComparer.cs

@@ -25,7 +25,9 @@ public bool Init(string data)
         {
             try
             {
+#pragma warning disable CS0612
                 using PrivateKey temp = new(data);
+#pragma warning restore CS0612
                 expectedBytes = temp.ToBytes();
                 expectedKey = new(expectedBytes, out _);
                 IsInitialized = true;

Src/Tests/Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>