btcpayserver-breez-nodeless-plugin/BTCPayServer.Plugins.BreezSpark/Views/BreezSpark/SwapIn.cshtml

@using Breez.Sdk.Spark
@using BTCPayServer
@using BTCPayServer.Client
@using BTCPayServer.Components.QRCode
@using BTCPayServer.Components.TruncateCenter
@using BTCPayServer.Models.StoreViewModels
@using BTCPayServer.Payments
@using BTCPayServer.Plugins.BreezSpark
@using BTCPayServer.Security
@using BTCPayServer.Services
@using BTCPayServer.Services.Invoices
@using Microsoft.AspNetCore.Mvc.TagHelpers
@using NBitcoin
@inject BreezSparkService BreezService
@inject TransactionLinkProviders TransactionLinkProviders
@inject PaymentMethodHandlerDictionary PaymentMethodHandlerDictionary
@inject BTCPayNetworkProvider BTCPayNetworkProvider
@{
    ViewData.SetActivePage("Breez", "Swap In", "SwapIn");
    var pmi = PaymentMethodId.Parse("BTC-OnChain");
    string storeId = Model switch
    {
        string s => s,
        StoreDashboardViewModel dashboardModel => dashboardModel.StoreId,
        _ => Context.GetImplicitStoreId()
    };
    var sdk = BreezService.GetClient(storeId)?.Sdk;
    if (sdk is null)
        return;

    // Get current receive payment swap info (if any)
    SwapInfo? currentSwap = null;
    try
    {
        // Simplified logic - skip complex payment lookup for now
        Payment? pendingReceive = null;

        // Skip pending receive logic for SDK v0.4.1 compatibility

        // If no pending swap, create a new one
        if (currentSwap == null)
        {
            var request = new ReceivePaymentRequest(
                paymentMethod: new ReceivePaymentMethod.BitcoinAddress()
            );
            var response = await sdk.ReceivePayment(request: request);

            // Create swap info from response
            currentSwap = new SwapInfo
            {
                bitcoinAddress = response.paymentRequest,
                minAllowedDeposit = 1000, // Default minimum
                maxAllowedDeposit = 16777215, // Default maximum (~0.16 BTC)
                status = "Created"
            };
        }
    }
    catch (Exception ex)
    {
        <div class="alert alert-danger" role="alert">
            <h5 class="alert-heading">Error</h5>
            <p class="mb-0">Failed to initialize swap-in: @ex.Message</p>
        </div>
        return;
    }

    // Get refundable deposits using the new SDK pattern
    // TODO: Fix for v2.2.1 - DepositInfo structure needs to be updated
    // List<DepositInfo>? refundables = null;
    // try
    // {
    //     var request = new ListUnclaimedDepositsRequest();
    //     var response = await sdk.ListUnclaimedDeposits(request);
    //     refundables = response.deposits.ToList();
    // }
    // catch (Exception ex)
    // {
    //     <div class="alert alert-warning" role="alert">
    //         <small>Unable to fetch refundable swaps: @ex.Message</small>
    //     </div>
    // }

    @* TODO: Fix for v2.2.1 - derivation settings check needed *@

    // NodeState API has changed in SDK v0.4.1 - using GetInfo instead
    var nodeInfo = new Breez.Sdk.Spark.GetInfoRequest(ensureSynced: false);
    Breez.Sdk.Spark.GetInfoResponse? ni = null;
    try
    {
        ni = await sdk.GetInfo(nodeInfo);
    }
    catch (Exception ex)
    {
        <div class="alert alert-warning" role="alert">
            <small>Unable to fetch node info: @ex.Message</small>
        </div>
    }

    // Use standard fee rates since RecommendedFees API may have changed
    var hasFeeRates = true; // Always show fee options

    // Get explorer URL for transaction links
    var network = BTCPayNetworkProvider.GetNetwork<BTCPayNetwork>("BTC");
    var explorerUrl = network.BlockExplorerLink?.ToString() ?? "#";
}

@if (hasFeeRates)
{
<datalist id="fees">
    <!-- Using standard fee rates as fallback since SDK properties may have different names -->
    <option value="10">Fastest fee (10 sat/vB)</option>
    <option value="5">Hour fee (5 sat/vB)</option>
    <option value="2">Economic fee (2 sat/vB)</option>
    <option value="1">Minimum fee (1 sat/vB)</option>
</datalist>
}

<div class="row mb-4 mt-4">
    <div class="col-12">

        @if (currentSwap != null)
        {
            <div class="payment-box">
                <div class="qr-container" data-clipboard="@currentSwap.bitcoinAddress">
                    <vc:qr-code data="@currentSwap.bitcoinAddress"/>
                </div>
                <div class="input-group mt-3">
                    <div class="form-floating">
                        <vc:truncate-center text="@currentSwap.bitcoinAddress" padding="15" elastic="true" classes="form-control-plaintext" id="Address"/>
                        <label for="Address">Address</label>
                    </div>
                    <div class="w-100">
                        <span class="text-muted">Please send an amount between <br/> @Money.Satoshis(currentSwap.minAllowedDeposit).ToDecimal(MoneyUnit.BTC) and @Money.Satoshis(currentSwap.maxAllowedDeposit).ToDecimal(MoneyUnit.BTC)BTC </span>
                        @* TODO: Fix for v2.2.1 - derivation settings check needed *@
                        @*
                        @if (derivationSettings != null)
                        {
                            <button type="button" class="btn btn-primary" id="copy-address" data-clipboard="@currentSwap.bitcoinAddress">
                                <span class="d-none d-md-inline">Copy Address</span>
                                <span class="d-md-none">Copy</span>
                            </button>
                        }
                        *@
                    </div>
                </div>
            </div>
        }

        @*
        @if (refundables?.Any() is true)
        {
            <div class="table-responsive mt-4">
                <table class="table table-hover">
                    <thead>
                        <tr>
                            <th>Deposit Tx</th>
                            <th>Amount</th>
                            <th>Swap Tx</th>
                            <th>Refundable</th>
                            <th class="text-right">Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach (var deposit in refundables)
                        {
                            <tr>
                                <td>
                                    @{
                                        var txLink = TransactionLinkProviders.GetTransactionLink(deposit.txId, "BTC");
                                    }
                                    <a href="@txLink" target="_blank" rel="noreferrer noopener">
                                        <vc:truncate-center text="@deposit.txId" padding="10" elastic="true" />
                                    </a>
                                </td>
                                <td>@deposit.amount</td>
                                <td>
                                    @if (!string.IsNullOrEmpty(deposit.swapTxId))
                                    {
                                        var swapTxLink = TransactionLinkProviders.GetTransactionLink(deposit.swapTxId, "BTC");
                                        <a href="@swapTxLink" target="_blank" rel="noreferrer noopener">
                                            <vc:truncate-center text="@deposit.swapTxId" padding="10" elastic="true" />
                                        </a>
                                    }
                                    else
                                    {
                                        <span>N/A</span>
                                    }
                                </td>
                                <td>
                                    @if (deposit.refundable)
                                    {
                                        <span class="text-success">Yes</span>
                                    }
                                    else
                                    {
                                        <span class="text-muted">No</span>
                                    }
                                </td>
                                <td class="text-right">
                                    <form asp-action="SwapInRefund" asp-route-storeId="@storeId" method="get">
                                        <button type="submit" class="btn btn-sm btn-outline-primary">Refund</button>
                                    </form>
                                </td>
                            </tr>
                        }
                    </tbody>
                </table>
            </div>
        }
        *@
    </div>
</div>