btcpayserver/BTCPayServer/Views/Wallets/SignWithSeed.cshtml

@model SignWithSeedViewModel
@{
    Layout = "../Shared/_NavLayout.cshtml";
    ViewData["Title"] = "Sign PSBT With an HD private key or mnemonic seed";
    ViewData.SetActivePageAndTitle(WalletsNavPages.Send);
}

<div class="row">
    <div class="col-md-10">
        <div asp-validation-summary="All" class="text-danger"></div>
        <form method="post" asp-action="SignWithSeed">

            <input type="hidden" asp-for="PSBT" />
            <div class="form-group">
                <label asp-for="SeedOrKey"></label>
                <input asp-for="SeedOrKey" class="form-control" />
                <span asp-validation-for="SeedOrKey" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Passphrase"></label>
                <input asp-for="Passphrase" class="form-control" />
                <span asp-validation-for="Passphrase" class="text-danger"></span>
            </div>
            <button type="submit" class="btn btn-primary">Sign</button>
        </form>
    </div>
</div>