public static IEnumerable <string> GetAllEthereumSubChains(this BTCPayNetworkProvider networkProvider, BTCPayNetworkProvider unfiltered)
{
var ethBased = networkProvider.GetAll().OfType <EthereumBTCPayNetwork>();
var chainId = ethBased.Select(network => network.ChainId).Distinct();
return(unfiltered.GetAll().OfType <EthereumBTCPayNetwork>()
.Where(network => chainId.Contains(network.ChainId))
.Select(network => network.CryptoCode.ToUpperInvariant()));
}
