btcpayserver/BTCPayApp.CommonServer/IBTCPayAppHubClient.cs

using System.Collections.Generic;
using System.Threading.Tasks;

namespace BTCPayApp.CommonServer;

//methods available on the hub in the client
public interface IBTCPayAppHubClient
{
    Task NotifyNetwork(string network);
    Task TransactionDetected(string identifier, string txId);
    Task NewBlock(string block);
}
//methods available on the hub in the server
public interface IBTCPayAppHubServer
{
    Task<Dictionary<string,string>> Pair(PairRequest request);
    Task<AppHandshakeResponse> Handshake(AppHandshake request);
    Task<bool> BroadcastTransaction(string tx);
    Task<decimal> GetFeeRate(int blockTarget);
    Task<BestBlockResponse> GetBestBlock();
    Task<string> GetBlockHeader(string hash);
    
    Task<TxInfoResponse> FetchTxsAndTheirBlockHeads(string[] txIds);
    Task<string> DeriveScript(string identifier);
    Task TrackScripts(string identifier, string[] scripts);
    Task<string> UpdatePsbt(string[] identifiers, string psbt);
    Task<CoinResponse[]> GetUTXOs(string[] identifiers);
}

public class CoinResponse
{
    public string Identifier{ get; set; }
    public bool Confirmed { get; set; }
    public string Script { get; set; }
    public string Outpoint { get; set; }
    public decimal Value { get; set; }
    public string Path { get; set; }
}

public class TxInfoResponse
{
    public Dictionary<string,TransactionResponse> Txs { get; set; }
    public Dictionary<string,string> Blocks { get; set; }
    public Dictionary<string,int> BlockHeghts { get; set; }
}

public class TransactionResponse
{
    public string? BlockHash { get; set; }
    public int? BlockHeight { get; set; }
    public string Transaction { get; set; }
    
}


public class BestBlockResponse
{
    public required string BlockHash { get; set; }
    public required int BlockHeight { get; set; }

    public string BlockHeader { get; set; }
}

public class AppHandshake
{
    public string[] Identifiers { get; set; }
}

public class AppHandshakeResponse
{
    //response about identifiers being tracked successfully
    public string[] IdentifiersAcknowledged { get; set; }
}


public class PairRequest
{
    public Dictionary<string, string?> Derivations { get; set; } = new();
}