Refactoring (NethermindEth#6635)

* Resolved conflicts

* max body size for http json rpc (NethermindEth#36)

* Format

* Self-recovery of TxPool max capacity

* fix ProcessedTransactionsDbCleanerTests

* Update txPool worst value if removal unsuccessful (NethermindEth#6702)

(cherry picked from commit f262cb2)

* Clearer error message for missing starting block state (NethermindEth#6672)

* Update txPool worst value if removal unsuccessful (NethermindEth#6702)

* Add Cancun hard-fork settings for Gnosis (NethermindEth#6709)

* Cancun spec and config for mainnet (NethermindEth#6679)

* Add Paris release spec class for completeness (NethermindEth#6633)

* 0.0.0.0 to +

---------

Co-authored-by: smartprogrammer <smartprogrammer@windowslive.com>
Co-authored-by: Marcin Sobczak <marcindsobczak@gmail.com>
Co-authored-by: Ben Adams <thundercat@illyriad.co.uk>
Co-authored-by: Ruben Buniatyan <rubo@users.noreply.github.com>
Co-authored-by: Ahmad Bitar <33181301+smartprogrammer93@users.noreply.github.com>
Co-authored-by: Kamil Chodoła <kamil@nethermind.io>
Co-authored-by: Lukasz Rozmej <lukasz.rozmej@gmail.com>

src/Nethermind/Nethermind.Core/Extensions/SpanExtensions.cs

@@ -148,6 +148,13 @@ private static string ToHexStringWithEip55Checksum(ReadOnlySpan<byte> bytes, boo
             return result;
         }
 
+        public static ReadOnlySpan<byte> TakeAndMove(this ref ReadOnlySpan<byte> span, int length)
+        {
+            ReadOnlySpan<byte> s = span[..length];
+            span = span[length..];
+            return s;
+        }
+
         public static bool IsNullOrEmpty<T>(this in Span<T> span) => span.Length == 0;
         public static bool IsNull<T>(this in Span<T> span) => Unsafe.IsNullRef(ref MemoryMarshal.GetReference(span));
         public static bool IsNullOrEmpty<T>(this in ReadOnlySpan<T> span) => span.Length == 0;