mirror of
https://github.com/aljazceru/BTCPayServerPlugins.git
synced 2025-12-17 07:34:24 +01:00
Blink Lightning Client improvements
This commit is contained in:
nicolas.dorier
@@ -1,19 +1,18 @@
|
||||
#nullable enable
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.ComponentModel.DataAnnotations;
|
||||
using System.Linq;
|
||||
using System.Net.Http;
|
||||
using System.Threading;
|
||||
using System.Threading.Channels;
|
||||
using System.Threading.Tasks;
|
||||
using BTCPayServer.HostedServices;
|
||||
using BTCPayServer.Lightning;
|
||||
using BTCPayServer.Payments.Lightning;
|
||||
using GraphQL;
|
||||
using GraphQL.Client.Abstractions.Websocket;
|
||||
using GraphQL.Client.Http;
|
||||
using GraphQL.Client.Http.Websocket;
|
||||
using GraphQL.Client.Serializer.Newtonsoft;
|
||||
using Microsoft.AspNetCore.OutputCaching;
|
||||
using Microsoft.Extensions.Logging;
|
||||
using NBitcoin;
|
||||
using Newtonsoft.Json;
|
||||
@@ -23,13 +22,88 @@ using Network = NBitcoin.Network;
|
||||
|
||||
namespace BTCPayServer.Plugins.Blink;
|
||||
|
||||
public class BlinkLightningClient : ILightningClient
|
||||
public enum BlinkCurrency
|
||||
{
|
||||
BTC,
|
||||
USD
|
||||
}
|
||||
|
||||
public class BlinkLightningClient : IExtendedLightningClient
|
||||
{
|
||||
async Task<BlinkCurrency?> FetchWalletCurrency()
|
||||
{
|
||||
var walletId = await GetWalletId();
|
||||
var reques = new GraphQLRequest
|
||||
{
|
||||
Query = @"
|
||||
query InvoiceByPaymentHash($walletId: WalletId!) {
|
||||
me {
|
||||
defaultAccount {
|
||||
walletById(walletId: $walletId) {
|
||||
walletCurrency
|
||||
}
|
||||
}
|
||||
}
|
||||
}",
|
||||
OperationName = "InvoiceByPaymentHash",
|
||||
Variables = new
|
||||
{
|
||||
walletId = walletId
|
||||
}
|
||||
};
|
||||
var response = await _client.SendQueryAsync<JObject>(reques);
|
||||
return response.Data["me"]?["defaultAccount"]?["walletById"]?["walletCurrency"]?.ToString() switch
|
||||
{
|
||||
string str => ParseBlinkCurrency(str),
|
||||
_ => null
|
||||
};
|
||||
}
|
||||
|
||||
internal static BlinkCurrency ParseBlinkCurrency(string str)
|
||||
=> str switch
|
||||
{
|
||||
"BTC" => BlinkCurrency.BTC,
|
||||
"USD" => BlinkCurrency.USD,
|
||||
_ => throw new FormatException("Invalid Blink Wallet Currency (Only BTC and USD are supported)")
|
||||
};
|
||||
|
||||
record WalletInfo(BlinkCurrency WalletCurrency, string WalletId);
|
||||
|
||||
private WalletInfo? _WalletInfo;
|
||||
|
||||
/// <summary>
|
||||
/// The connection string may or may not have the walletId and the currency
|
||||
/// This method fetches the default wallet-id and the currency of the wallet if we
|
||||
/// do not already have this information and cache it.
|
||||
/// Now, the connection string generated by Blink should include both, so this is only to
|
||||
/// accomodate legacy connection string format
|
||||
/// </summary>
|
||||
/// <returns></returns>
|
||||
/// <exception cref="InvalidOperationException"></exception>
|
||||
async Task<WalletInfo> GetWalletInfo()
|
||||
{
|
||||
if (_WalletInfo is not null)
|
||||
return _WalletInfo;
|
||||
if (ExplicitWalletId is null)
|
||||
{
|
||||
var defaultWallet = await FetchNetworkAndDefaultWallet();
|
||||
_WalletInfo = new(ExplicitCurrency ?? defaultWallet.DefaultWalletCurrency, defaultWallet.DefaultWalletId);
|
||||
}
|
||||
else
|
||||
{
|
||||
var currency = ExplicitCurrency ?? await FetchWalletCurrency() ??
|
||||
throw new InvalidOperationException("Invalid Blink Wallet Id");
|
||||
_WalletInfo = new(currency, ExplicitWalletId);
|
||||
}
|
||||
|
||||
return _WalletInfo;
|
||||
}
|
||||
|
||||
private readonly string _apiKey;
|
||||
private readonly Uri _apiEndpoint;
|
||||
public string? WalletId { get; set; }
|
||||
|
||||
public string? WalletCurrency { get; set; }
|
||||
async Task<string> GetWalletId() => ExplicitWalletId ?? (await GetWalletInfo()).WalletId;
|
||||
public string? ExplicitWalletId { get; set; }
|
||||
|
||||
private readonly Network _network;
|
||||
public ILogger Logger;
|
||||
@@ -39,11 +113,12 @@ public class BlinkLightningClient : ILightningClient
|
||||
{
|
||||
[JsonProperty("X-API-KEY")] public string ApiKey { get; set; }
|
||||
}
|
||||
public BlinkLightningClient(string apiKey, Uri apiEndpoint, string walletId, Network network, HttpClient httpClient, ILogger logger)
|
||||
public BlinkLightningClient(string apiKey, Uri apiEndpoint, string? walletId, BlinkCurrency? currency, Network network, HttpClient httpClient, ILogger logger)
|
||||
{
|
||||
_apiKey = apiKey;
|
||||
_apiEndpoint = apiEndpoint;
|
||||
WalletId = walletId;
|
||||
ExplicitWalletId = walletId;
|
||||
ExplicitCurrency = currency;
|
||||
_network = network;
|
||||
Logger = logger;
|
||||
_client = new GraphQLHttpClient(new GraphQLHttpClientOptions() {EndPoint = _apiEndpoint,
|
||||
@@ -66,13 +141,15 @@ public class BlinkLightningClient : ILightningClient
|
||||
|
||||
}
|
||||
|
||||
public BlinkCurrency? ExplicitCurrency { get; set; }
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return $"type=blink;server={_apiEndpoint};api-key={_apiKey}{(WalletId is null? "":$";wallet-id={WalletId}")}";
|
||||
return $"type=blink;server={_apiEndpoint};api-key={_apiKey}{(ExplicitWalletId is null? "":$";wallet-id={ExplicitWalletId}")}";
|
||||
}
|
||||
|
||||
public async Task<LightningInvoice?> GetInvoice(string invoiceId,
|
||||
CancellationToken cancellation = new CancellationToken())
|
||||
CancellationToken cancellation = default)
|
||||
{
|
||||
|
||||
var reques = new GraphQLRequest
|
||||
@@ -96,7 +173,7 @@ query InvoiceByPaymentHash($paymentHash: PaymentHash!, $walletId: WalletId!) {
|
||||
OperationName = "InvoiceByPaymentHash",
|
||||
Variables = new
|
||||
{
|
||||
walletId = WalletId,
|
||||
walletId = await GetWalletId(),
|
||||
paymentHash = invoiceId
|
||||
}
|
||||
};
|
||||
@@ -169,7 +246,7 @@ query Invoices($walletId: WalletId!) {
|
||||
OperationName = "Invoices",
|
||||
Variables = new
|
||||
{
|
||||
walletId = WalletId
|
||||
walletId = await GetWalletId()
|
||||
}
|
||||
};
|
||||
var response = await _client.SendQueryAsync<dynamic>(reques, cancellation);
|
||||
@@ -218,7 +295,7 @@ query TransactionsByPaymentHash($paymentHash: PaymentHash!, $walletId: WalletId!
|
||||
OperationName = "TransactionsByPaymentHash",
|
||||
Variables = new
|
||||
{
|
||||
walletId = WalletId,
|
||||
walletId = await GetWalletId(),
|
||||
paymentHash = paymentHash
|
||||
}
|
||||
};
|
||||
@@ -308,7 +385,7 @@ query Transactions($walletId: WalletId!) {
|
||||
OperationName = "Transactions",
|
||||
Variables = new
|
||||
{
|
||||
walletId = WalletId
|
||||
walletId = await GetWalletId(),
|
||||
}
|
||||
};
|
||||
var response = await _client.SendQueryAsync<dynamic>(reques, cancellation);
|
||||
@@ -328,9 +405,8 @@ query Transactions($walletId: WalletId!) {
|
||||
public async Task<LightningInvoice> CreateInvoice(CreateInvoiceParams createInvoiceRequest,
|
||||
CancellationToken cancellation = new())
|
||||
{
|
||||
string query;
|
||||
|
||||
query = WalletCurrency?.Equals("btc", StringComparison.InvariantCultureIgnoreCase) is not true ? @"
|
||||
var isUSD = (await GetWalletInfo()).WalletCurrency == BlinkCurrency.USD;
|
||||
var query = isUSD ? @"
|
||||
mutation lnInvoiceCreate($input: LnUsdInvoiceBtcDenominatedCreateOnBehalfOfRecipientInput!) {
|
||||
lnUsdInvoiceBtcDenominatedCreateOnBehalfOfRecipient(input: $input) {
|
||||
invoice {
|
||||
@@ -370,7 +446,7 @@ mutation lnInvoiceCreate($input: LnInvoiceCreateOnBehalfOfRecipientInput!) {
|
||||
{
|
||||
input = new
|
||||
{
|
||||
recipientWalletId = WalletId,
|
||||
recipientWalletId = await GetWalletId(),
|
||||
memo = createInvoiceRequest.Description,
|
||||
descriptionHash = createInvoiceRequest.DescriptionHash?.ToString(),
|
||||
amount = (long)createInvoiceRequest.Amount.ToUnit(LightMoneyUnit.Satoshi),
|
||||
@@ -380,13 +456,13 @@ expiresIn = (int)createInvoiceRequest.Expiry.TotalMinutes
|
||||
}
|
||||
};
|
||||
var response = await _client.SendQueryAsync<dynamic>(reques, cancellation);
|
||||
var inv = (WalletCurrency?.Equals("btc", StringComparison.InvariantCultureIgnoreCase) is not true
|
||||
var inv = (isUSD
|
||||
? response.Data.lnUsdInvoiceBtcDenominatedCreateOnBehalfOfRecipient.invoice
|
||||
: response.Data.lnInvoiceCreateOnBehalfOfRecipient.invoice)as JObject;
|
||||
: response.Data.lnInvoiceCreateOnBehalfOfRecipient.invoice) as JObject;
|
||||
|
||||
if (inv is null)
|
||||
{
|
||||
var errors = (WalletCurrency?.Equals("btc", StringComparison.InvariantCultureIgnoreCase) is not true
|
||||
var errors = (isUSD
|
||||
? response.Data.lnUsdInvoiceBtcDenominatedCreateOnBehalfOfRecipient.errors
|
||||
: response.Data.lnInvoiceCreateOnBehalfOfRecipient.errors) as JArray;
|
||||
|
||||
@@ -518,7 +594,7 @@ expiresIn = (int)createInvoiceRequest.Expiry.TotalMinutes
|
||||
return new LightningInvoice { Id = Guid.NewGuid().ToString() }; // Return a dummy invoice so calling listening logic exits
|
||||
}
|
||||
}
|
||||
public async Task<(Network Network, string DefaultWalletId, string DefaultWalletCurrency)> GetNetworkAndDefaultWallet(CancellationToken cancellation =default)
|
||||
public async Task<(Network Network, string DefaultWalletId, BlinkCurrency DefaultWalletCurrency)> FetchNetworkAndDefaultWallet(CancellationToken cancellation =default)
|
||||
{
|
||||
|
||||
var reques = new GraphQLRequest
|
||||
@@ -552,7 +628,7 @@ query GetNetworkAndDefaultWallet {
|
||||
"regtest" => Network.RegTest,
|
||||
_ => throw new ArgumentOutOfRangeException()
|
||||
};
|
||||
return (network, defaultWalletId, defaultWalletCurrency);
|
||||
return (network, defaultWalletId, ParseBlinkCurrency(defaultWalletCurrency));
|
||||
}
|
||||
|
||||
public Task<LightningNodeInformation> GetInfo(CancellationToken cancellation = new CancellationToken())
|
||||
@@ -563,6 +639,9 @@ query GetNetworkAndDefaultWallet {
|
||||
|
||||
public async Task<LightningNodeBalance> GetBalance(CancellationToken cancellation = new())
|
||||
{
|
||||
// Avoid call if we already know that fetching the balance is useless
|
||||
if ((ExplicitCurrency ?? _WalletInfo?.WalletCurrency) is not (null or BlinkCurrency.BTC))
|
||||
throw new NotSupportedException();
|
||||
var request = new GraphQLRequest
|
||||
{
|
||||
Query = @"
|
||||
@@ -579,25 +658,25 @@ query GetWallet($walletId: WalletId!) {
|
||||
}",
|
||||
OperationName = "GetWallet",
|
||||
Variables = new {
|
||||
walletId = WalletId
|
||||
walletId = await GetWalletId()
|
||||
}
|
||||
};
|
||||
|
||||
var response = await _client.SendQueryAsync<dynamic>(request, cancellation);
|
||||
|
||||
WalletCurrency = response.Data.me.defaultAccount.walletById.walletCurrency;
|
||||
if (response.Data.me.defaultAccount.walletById.walletCurrency == "BTC")
|
||||
var response = await _client.SendQueryAsync<JObject>(request, cancellation);
|
||||
var walletById = response.Data["me"]?["defaultAccount"]?["walletById"];
|
||||
if (walletById?["walletCurrency"]?.Value<string>() is string currency &&
|
||||
walletById?["balance"]?.Value<long?>() is long balance &&
|
||||
ParseBlinkCurrency(currency) is BlinkCurrency.BTC)
|
||||
{
|
||||
return new LightningNodeBalance()
|
||||
{
|
||||
OffchainBalance = new OffchainBalance()
|
||||
{
|
||||
Local = LightMoney.Satoshis((long)response.Data.me.defaultAccount.walletById.balance)
|
||||
Local = LightMoney.Satoshis(balance)
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
return new LightningNodeBalance();
|
||||
throw new NotSupportedException();
|
||||
}
|
||||
|
||||
public async Task<PayResponse> Pay(PayInvoiceParams payParams,
|
||||
@@ -607,7 +686,7 @@ query GetWallet($walletId: WalletId!) {
|
||||
}
|
||||
|
||||
public async Task<PayResponse> Pay(string bolt11, PayInvoiceParams payParams,
|
||||
CancellationToken cancellation = new CancellationToken())
|
||||
CancellationToken cancellation = default)
|
||||
{
|
||||
|
||||
var request = new GraphQLRequest
|
||||
@@ -647,7 +726,7 @@ mutation LnInvoicePaymentSend($input: LnInvoicePaymentInput!) {
|
||||
OperationName = "LnInvoicePaymentSend",
|
||||
Variables = new {
|
||||
input = new {
|
||||
walletId = WalletId,
|
||||
walletId = await GetWalletId(),
|
||||
paymentRequest = bolt11,
|
||||
}
|
||||
}
|
||||
@@ -689,8 +768,8 @@ mutation LnInvoicePaymentSend($input: LnInvoicePaymentInput!) {
|
||||
"FAILURE" => LightningPaymentStatus.Failed,
|
||||
"PENDING" => LightningPaymentStatus.Pending,
|
||||
"SUCCESS" => LightningPaymentStatus.Complete,
|
||||
null => LightningPaymentStatus.Unknown,
|
||||
_ => throw new ArgumentOutOfRangeException()
|
||||
string status => throw new ArgumentOutOfRangeException($"Unknown status received by blink ({status})"),
|
||||
_ => LightningPaymentStatus.Unknown,
|
||||
},
|
||||
Preimage = response["transaction"]["settlementVia"]?["preImage"].Value<string>() is null? null: new uint256(response["transaction"]["settlementVia"]["preImage"].Value<string>()),
|
||||
};
|
||||
@@ -731,4 +810,36 @@ mutation LnInvoicePaymentSend($input: LnInvoicePaymentInput!) {
|
||||
{
|
||||
throw new NotImplementedException();
|
||||
}
|
||||
|
||||
public async Task<ValidationResult?> Validate()
|
||||
{
|
||||
try
|
||||
{
|
||||
var res = await FetchNetworkAndDefaultWallet();
|
||||
if (res.Network != this._network)
|
||||
{
|
||||
return new ValidationResult(
|
||||
$"The wallet is not on the right network ({res.Network.Name} instead of {_network.Name})");
|
||||
}
|
||||
|
||||
if (ExplicitWalletId is null && string.IsNullOrEmpty(res.DefaultWalletId))
|
||||
{
|
||||
return new ValidationResult($"The wallet-id is not set and no default wallet is set");
|
||||
}
|
||||
}
|
||||
catch (Exception)
|
||||
{
|
||||
return new ValidationResult($"Invalid server or api key");
|
||||
}
|
||||
|
||||
var walletCurrency = await FetchWalletCurrency();
|
||||
if (walletCurrency is null)
|
||||
return new ValidationResult($"Invalid wallet id");
|
||||
if (ExplicitCurrency != null && walletCurrency != ExplicitCurrency)
|
||||
return new ValidationResult($"Invalid currency (it should be {walletCurrency})");
|
||||
return ValidationResult.Success;
|
||||
}
|
||||
|
||||
public string? DisplayName => "Blink";
|
||||
public Uri? ServerUri => _client.HttpClient.BaseAddress;
|
||||
}
|
||||
@@ -3,6 +3,7 @@ using System;
|
||||
using System.Linq;
|
||||
using System.Net.Http;
|
||||
using BTCPayServer.Lightning;
|
||||
using BTCPayServer.Payments.Lightning;
|
||||
using Microsoft.Extensions.Logging;
|
||||
using Network = NBitcoin.Network;
|
||||
|
||||
@@ -82,48 +83,21 @@ public class BlinkLightningConnectionStringHandler : ILightningConnectionStringH
|
||||
client.BaseAddress = uri;
|
||||
|
||||
kv.TryGetValue("wallet-id", out var walletId);
|
||||
var bclient = new BlinkLightningClient(apiKey, uri, walletId, network, client, _loggerFactory.CreateLogger($"{nameof(BlinkLightningClient)}:{walletId}"));
|
||||
(Network Network, string DefaultWalletId, string DefaultWalletCurrency) res;
|
||||
try
|
||||
{
|
||||
res = bclient.GetNetworkAndDefaultWallet().GetAwaiter().GetResult();
|
||||
if (res.Network != network)
|
||||
{
|
||||
error = $"The wallet is not on the right network ({res.Network.Name} instead of {network.Name})";
|
||||
return null;
|
||||
}
|
||||
|
||||
if (walletId is null && string.IsNullOrEmpty(res.DefaultWalletId))
|
||||
{
|
||||
error = $"The wallet-id is not set and no default wallet is set";
|
||||
return null;
|
||||
}
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
error = $"Invalid server or api key";
|
||||
return null;
|
||||
}
|
||||
|
||||
if (walletId is null)
|
||||
{
|
||||
bclient.WalletId = res.DefaultWalletId;
|
||||
bclient.WalletCurrency = res.DefaultWalletCurrency;
|
||||
bclient.Logger = _loggerFactory.CreateLogger($"{nameof(BlinkLightningClient)}:{walletId}");
|
||||
}
|
||||
else
|
||||
BlinkCurrency? currency = null;
|
||||
if (kv.TryGetValue("currency", out var v))
|
||||
{
|
||||
try
|
||||
{
|
||||
bclient.GetBalance().GetAwaiter().GetResult();
|
||||
currency = BlinkLightningClient.ParseBlinkCurrency(v);
|
||||
}
|
||||
catch (Exception e)
|
||||
catch (FormatException e)
|
||||
{
|
||||
error = "Invalid wallet id";
|
||||
error = e.Message;
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
return bclient;
|
||||
return new BlinkLightningClient(apiKey, uri, walletId, currency, network, client, _loggerFactory.CreateLogger($"{nameof(BlinkLightningClient)}:{walletId}"));
|
||||
}
|
||||
}
|
||||
@@ -29,7 +29,7 @@
|
||||
<div class="accordion-body">
|
||||
<ul class="pb-2">
|
||||
<li>
|
||||
<code><b>type=</b>blink;<b>server=</b>https://api.blink.sv/graphql;<b>api-key</b>=blink_...;<b>wallet-id=</b>xyz</code>
|
||||
<code><b>type=</b>blink;<b>server=</b>https://api.blink.sv/graphql;<b>api-key</b>=blink_...;<b>wallet-id=</b>xyz;<b>currency=</b>BTC;</code>
|
||||
</li>
|
||||
</ul>
|
||||
<p class="my-2">Head over to the <a href="https://dashboard.blink.sv" target="_blank" rel="noreferrer noopener" >Blink dashboard</a> and create an api key. The server is optional and will use the default Blink instance.The wallet-id is optional and will use the default wallet otherwise.</p>
|
||||
|
||||
Reference in New Issue
Block a user