Code cleanup.

Author: mikasoukhov

Algo.Import/FieldMapping.cs

@@ -266,18 +266,18 @@ object fastParserConverter(string str)
 		{
 			case "timestamp":
 			case "unix":
-				_dateConverter = str => toObj(DateTimeOffset.FromUnixTimeSeconds(long.Parse(str)));
+				_dateConverter = str => toObj(long.Parse(str).FromUnix());
 				break;
 			case "timestamp_milli":
 			case "unixmls":
 			case "unix_mls":
-				_dateConverter = str => toObj(DateTimeOffset.FromUnixTimeMilliseconds(long.Parse(str)));
+				_dateConverter = str => toObj(long.Parse(str).FromUnix(false));
 				break;
 			case "timestamp_micro":
-				_dateConverter = str => toObj(new DateTimeOffset(long.Parse(str).MicrosecondsToTicks(), TimeSpan.Zero));
+				_dateConverter = str => toObj(long.Parse(str).FromUnixMcs());
 				break;
 			case "timestamp_nano":
-				_dateConverter = str => toObj(new DateTimeOffset(long.Parse(str).NanosecondsToTicks(), TimeSpan.Zero));
+				_dateConverter = str => toObj(new DateTime(long.Parse(str).NanosecondsToTicks(), DateTimeKind.Utc));
 				break;
 			default:
 				_dateParser = new FastDateTimeParser(Format);

Connectors/Coinbase/Native/Authenticator.cs

@@ -93,7 +93,7 @@ public string GenerateJwt(string method, string host, string path)
 			return null;
 
 		var keyName = Key.UnSecure();
-		var now = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+		var now = (long)DateTime.UtcNow.ToUnix();
 		var nonce = GenerateNonce();
 
 		var header = new
@@ -125,7 +125,7 @@ public string GenerateWebSocketJwt()
 			return null;
 
 		var keyName = Key.UnSecure();
-		var now = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+		var now = (long)DateTime.UtcNow.ToUnix();
 		var nonce = GenerateNonce();
 
 		var header = new