public async Task <LightningNodeInformation> GetInfo(CancellationToken cancellation = default(CancellationToken))
{
var resp = await _rpcClient.GetInfoAsync(cancellation);
var nodeInfo = new LightningNodeInformation
{
BlockHeight = (int?)resp.Block_height ?? 0,
NodeId = resp.Identity_pubkey
};
var node = await _rpcClient.GetNodeInfoAsync(resp.Identity_pubkey, cancellation);
if (node.Node.Addresses == null || node.Node.Addresses.Count == 0)
{
throw new Exception("Lnd External IP not set, make sure you use --externalip=$EXTERNALIP parameter on lnd");
}
var firstNodeInfo = node.Node.Addresses.First();
var externalHostPort = firstNodeInfo.Addr.Split(':');
nodeInfo.Address = externalHostPort[0];
nodeInfo.P2PPort = ConvertInv.ToInt32(externalHostPort[1]);
return(nodeInfo);
}
internal static LightningInvoice ConvertLndInvoice(LnrpcInvoice resp)
{
var invoice = new LightningInvoice
{
// TODO: Verify id corresponds to R_hash
Id = BitString(resp.R_hash),
Amount = new LightMoney(ConvertInv.ToInt64(resp.Value), LightMoneyUnit.Satoshi),
BOLT11 = resp.Payment_request,
Status = "unpaid"
};
if (resp.Settle_date != null)
{
invoice.PaidAt = DateTimeOffset.FromUnixTimeSeconds(ConvertInv.ToInt64(resp.Settle_date));
invoice.Status = "paid";
}
else
{
var invoiceExpiry = ConvertInv.ToInt64(resp.Creation_date) + ConvertInv.ToInt64(resp.Expiry);
if (DateTimeOffset.FromUnixTimeSeconds(invoiceExpiry) > DateTimeOffset.UtcNow)
{
invoice.Status = "expired";
}
}
return(invoice);
}
public async Task <LightningInvoice> CreateInvoice(LightMoney amount, string description, TimeSpan expiry,
CancellationToken cancellation = default(CancellationToken))
{
var strAmount = ConvertInv.ToString(amount.ToUnit(LightMoneyUnit.Satoshi));
var strExpiry = ConvertInv.ToString(Math.Round(expiry.TotalSeconds, 0));
// lnd requires numbers sent as strings. don't ask
var resp = await _rpcClient.AddInvoiceAsync(new LnrpcInvoice
{
Value = strAmount,
Memo = description,
Expiry = strExpiry
});
var invoice = new LightningInvoice
{
Id = BitString(resp.R_hash),
Amount = amount,
BOLT11 = resp.Payment_request,
Status = "unpaid"
};
return(invoice);
}
