feat: mintquote by pubkeys models

DotNut/Api/CashuHttpClient.cs

@@ -201,6 +201,16 @@ public async Task<PostBatchedMintResponse> BatchMint(
         return await HandleResponse<PostBatchedMintResponse>(response, cancellationToken);
     }
 
+    public async Task<PostMintQuotesByPubkeyResponse> GetMintQuotesByPubkeys(PostMintQuoteBolt11Request request,
+        CancellationToken cancellationToken = default)
+    {
+        var response = await _httpClient.PostAsync(
+            "https://mint.host:3338/v1/mint/quote/bolt11/pubkey",
+            new StringContent(JsonSerializer.Serialize(request), Encoding.UTF8, "application/json"),
+            cancellationToken);
+        return await HandleResponse<PostMintQuotesByPubkeyResponse>(response, cancellationToken);
+    }
+
     protected async Task<T> HandleResponse<T>(
         HttpResponseMessage response,
         CancellationToken cancellationToken

DotNut/Api/ICashuApi.cs

@@ -63,6 +63,8 @@ Task<TResponse> BatchCheckMintQuoteState<TResponse>(
         PostBatchedMintQuoteStateRequest request,
         CancellationToken cancellationToken = default
     );
+
+    Task<PostMintQuotesByPubkeyResponse> GetMintQuotesByPubkeys(PostMintQuoteBolt11Request request, CancellationToken cancellationToken = default);
 
     Task<PostBatchedMintResponse> BatchMint(
         string method,

DotNut/ApiModels/PostMintQuotesByPubkeyRequest.cs

@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace DotNut.ApiModels;
+
+public class PostMintQuotesByPubkeyRequest
+{
+    [JsonPropertyName("pubkeys")]
+    public string[] Pubkeys { get; set; }
+
+    [JsonPropertyName("pubkey_signatures")]
+    public string[] PubKey_Signatures { get; set; }
+}

DotNut/ApiModels/PostMintQuotesByPubkeyResponse.cs

@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+using DotNut.ApiModels.Mint.bolt12;
+
+namespace DotNut.ApiModels;
+
+[JsonConverter(typeof(PostMintQuotesByPubkeyResponseConverter))]
+public class PostMintQuotesByPubkeyResponse
+{
+    public PostMintQuoteBolt11Response[] Bolt11Quotes { get; set; }
+    public PostMintQuoteBolt12Response[] Bolt12Quotes { get; set; }
+}

DotNut/JsonConverters/QuotesByPubkeyConverter.cs

@@ -0,0 +1,54 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using DotNut.ApiModels.Mint.bolt12;
+
+namespace DotNut.ApiModels;
+
+public class PostMintQuotesByPubkeyResponseConverter : JsonConverter<PostMintQuotesByPubkeyResponse>
+{
+    private const string Bolt12Discriminator = "amount_paid";
+
+    public override PostMintQuotesByPubkeyResponse Read(
+        ref Utf8JsonReader reader,
+        Type typeToConvert,
+        JsonSerializerOptions options)
+    {
+        using var doc = JsonDocument.ParseValue(ref reader);
+        var root = doc.RootElement;
+
+        var bolt11 = new List<PostMintQuoteBolt11Response>();
+        var bolt12 = new List<PostMintQuoteBolt12Response>();
+
+        foreach (var element in root.GetProperty("quotes").EnumerateArray())
+        {
+            var raw = element.GetRawText();
+            if (element.TryGetProperty(Bolt12Discriminator, out _))
+                bolt12.Add(JsonSerializer.Deserialize<PostMintQuoteBolt12Response>(raw, options)!);
+            else
+                bolt11.Add(JsonSerializer.Deserialize<PostMintQuoteBolt11Response>(raw, options)!);
+        }
+
+        return new PostMintQuotesByPubkeyResponse
+        {
+            Bolt11Quotes = bolt11.ToArray(),
+            Bolt12Quotes = bolt12.ToArray()
+        };
+    }
+
+    public override void Write(
+        Utf8JsonWriter writer,
+        PostMintQuotesByPubkeyResponse value,
+        JsonSerializerOptions options)
+    {
+        writer.WriteStartObject();
+        writer.WriteStartArray("quotes");
+
+        foreach (var q in value.Bolt11Quotes)
+            JsonSerializer.Serialize(writer, q, options);
+        foreach (var q in value.Bolt12Quotes)
+            JsonSerializer.Serialize(writer, q, options);
+
+        writer.WriteEndArray();
+        writer.WriteEndObject();
+    }
+}