PR fixups.

Add Web3Error.clientError(code: Int)

Author: yaroslavyaroslav

Sources/Core/EthereumNetwork/Request/APIRequest+Methods.swift

@@ -26,7 +26,13 @@ extension APIRequest {
     public static func send<Result>(uRLRequest: URLRequest, with session: URLSession) async throws -> APIResponse<Result> {
         let (data, response) = try await session.data(for: uRLRequest)
 
-        guard 200 ..< 400 ~= response.statusCode else { throw Web3Error.serverError(code: response.statusCode) }
+        guard 200 ..< 400 ~= response.statusCode else {
+            if 400 ..< 500 ~= response.statusCode {
+                throw Web3Error.clientError(code: response.statusCode)
+            } else {
+                throw Web3Error.serverError(code: response.statusCode)
+            }
+        }
 
         /// This bit of code is purposed to work with literal types that comes in Response in hexString type.
         /// Currently it's just `Data` and any kind of Integers `(U)Int`, `Big(U)Int`.

Sources/Core/Web3Error/Web3Error.swift

@@ -15,6 +15,7 @@ public enum Web3Error: Error {
     case typeError
     case valueError
     case serverError(code: Int)
+    case clientError(code: Int)
 
     case walletError
     case inputError(desc: String)
@@ -52,6 +53,8 @@ public enum Web3Error: Error {
             return "Unsupported type"
         case let .serverError(code: code):
             return "Server error: \(code)"
+        case let .clientError(code: code):
+            return "Client error: \(code)"
         case .valueError:
             return "You're passing value that doesn't supported by this method."
         }