btcpayserver/BTCPayServer/Views/Shared/Ethereum/UpdateChainConfig.cshtml

@using BTCPayServer.Views.Server
@using System.Net.Http
@using BTCPayServer.Abstractions.Extensions
@model BTCPayServer.Services.Altcoins.Ethereum.Configuration.EthereumLikeConfiguration
@inject BTCPayNetworkProvider BTCPayNetworkProvider;
@inject IHttpClientFactory HttpClientFactory;
@{
    Layout = "../_NavLayout.cshtml";
    ViewData["NavPartialName"] = "../Server/_Nav";
    ViewBag.MainTitle = "Server settings";
    ViewData.SetActivePageAndTitle(ServerNavPages.Policies, $"ETH Chain {Model.ChainId} Configuration");
}

@if (!ViewContext.ModelState.IsValid)
{
    <div asp-validation-summary="All" class="text-danger"></div>
}

<form method="post">
    <div class="form-group">
        <input type="hidden" asp-for="ChainId"/>
        <div class="form-check">
            <label asp-for="Web3ProviderUrl" class="form-label"></label>
            <input asp-for="Web3ProviderUrl" type="text" class="form-control"/>
            <span asp-validation-for="Web3ProviderUrl" class="text-danger"></span>
            <div>
                Possible free options are
                <ul>
                    <li><a href="https://medium.com/linkpool/release-of-public-ethereum-rpcs-f5dd57455d2e" target="_blank" rel="noreferrer noopener">linkpool.io</a> - Free, just set the url to <code>https://main-rpc.linkpool.io</code></li>
                    <li><a href="https://chainstack.com/" target="_blank" rel="noreferrer noopener">chainstack.com</a> - Free plan, choose shared public node</li>
                    <li><a href="https://infura.io/" target="_blank" rel="noreferrer noopener">infura.io</a> - Free tier but limited calls per day</li>
                    <li>Your own geth/openethereum node</li>
                </ul>
            </div>
        </div>
        <div class="form-check">
            <label asp-for="Web3ProviderUsername" class="form-label"></label>
            <input asp-for="Web3ProviderUsername" type="text" class="form-control"/>
            <span asp-validation-for="Web3ProviderUsername" class="text-danger"></span>
        </div>
        <div class="form-check">
            <label asp-for="Web3ProviderPassword" class="form-label"></label>
            <input asp-for="Web3ProviderPassword" type="text" class="form-control"/>
            <span asp-validation-for="Web3ProviderPassword" class="text-danger"></span>
        </div>
    </div>

    <button type="submit" class="btn btn-primary" name="command" value="Save" id="saveButton">Save</button>
</form>