Add BigIntegerType to GraphQL Types

Lib9c.GraphQL/Types/BigIntegerType.cs

@@ -0,0 +1,62 @@
+using System.Numerics;
+using HotChocolate;
+using HotChocolate.Language;
+using HotChocolate.Types;
+using System.Globalization;
+
+namespace Lib9c.GraphQL.Types;
+
+public class BigIntegerType : ScalarType<BigInteger, StringValueNode>
+{
+ public BigIntegerType() : base("BigInteger")
+ {
+ }
+
+ public override IValueNode ParseResult(object? resultValue)
+ {
+ return resultValue switch
+ {
+ BigInteger bigInteger => ParseValue(bigInteger),
+ string s => ParseValue(s),
+ _ => throw new SerializationException(
+ ErrorBuilder.New()
+ .SetMessage("Invalid runtime type. Expected: BigInteger or string.")
+ .SetCode(ErrorCodes.Scalars.InvalidRuntimeType)
+ .Build(),
+ this)
+ };
+ }
+
+ protected override BigInteger ParseLiteral(StringValueNode valueSyntax) =>
+ BigInteger.Parse(valueSyntax.Value, CultureInfo.InvariantCulture);
+
+ protected override StringValueNode ParseValue(BigInteger runtimeValue) =>
+ new(runtimeValue.ToString(CultureInfo.InvariantCulture));
+
+ public override bool TrySerialize(object? runtimeValue, out object? resultValue)
+ {
+ if (runtimeValue is BigInteger bigInteger)
+ {
+ resultValue = bigInteger.ToString(CultureInfo.InvariantCulture);
+ return true;
+ }
+
+ resultValue = null;
+ return false;
+ }
+
+ public override bool TryDeserialize(object? resultValue, out object? runtimeValue)
+ {
+ if (resultValue is string s)
+ {
+ if (BigInteger.TryParse(s, NumberStyles.Any, CultureInfo.InvariantCulture, out BigInteger bigInteger))
+ {
+ runtimeValue = bigInteger;
+ return true;
+ }
+ }
+
+ runtimeValue = null;
+ return false;
+ }
+}

Mimir/Program.cs

@@ -57,6 +57,7 @@
  .AddLib9cGraphQLTypes()
  .AddMimirGraphQLTypes()
  .BindRuntimeType(typeof(Address), typeof(AddressType))
+ .BindRuntimeType(typeof(BigIntegerType), typeof(BigIntegerType))
  .BindRuntimeType(typeof(HashDigest<SHA256>), typeof(HashDigestSHA256Type))
  .AddErrorFilter<ErrorFilter>()
  .ModifyRequestOptions(requestExecutorOptions => { requestExecutorOptions.IncludeExceptionDetails = true; });