public async Task <Header> GetHeaderAsync()
{
if (DateTime.UtcNow >= NextBlock)
{
var header = await Rpc.GetObjectAsync <Header>("chains/main/blocks/head/header");
if (header.ChainId != ChainId)
{
throw new Exception("Invalid chain");
}
if (header.Protocol != Header?.Protocol)
{
Constants = await Rpc.GetObjectAsync <Constants>("chains/main/blocks/head/context/constants");
}
NextBlock = header.Level != Header?.Level
? header.Timestamp.AddSeconds(Constants.BlockIntervals[0])
: DateTime.UtcNow.AddSeconds(1);
Header = header;
}
return(Header);
}
async Task <List <CoingeckoQuote> > GetQuotes(string currency, DateTime from, DateTime to)
{
var _from = (long)(from - DateTime.UnixEpoch).TotalSeconds;
var _to = (long)(to - DateTime.UnixEpoch).TotalSeconds;
return((await Client.GetObjectAsync <CoingeckoQuotes>(
$"coins/tezos/market_chart/range?vs_currency={currency}&from={_from}&to={_to}")).Prices);
}