public static async Task <CoreNode> CreateAsync(CoreNodeParams coreNodeParams, CancellationToken cancel)
{
Guard.NotNull(nameof(coreNodeParams), coreNodeParams);
using (BenchmarkLogger.Measure())
{
var coreNode = new CoreNode();
coreNode.HostedServices = coreNodeParams.HostedServices;
coreNode.DataDir = coreNodeParams.DataDir;
coreNode.Network = coreNodeParams.Network;
coreNode.MempoolService = coreNodeParams.MempoolService;
var configPath = Path.Combine(coreNode.DataDir, "bitcoin.conf");
coreNode.Config = new CoreConfig();
if (File.Exists(configPath))
{
var configString = await File.ReadAllTextAsync(configPath).ConfigureAwait(false);
coreNode.Config.AddOrUpdate(configString); // Bitcoin Core considers the last entry to be valid.
}
cancel.ThrowIfCancellationRequested();
var configTranslator = new CoreConfigTranslator(coreNode.Config, coreNode.Network);
string rpcUser = configTranslator.TryGetRpcUser();
string rpcPassword = configTranslator.TryGetRpcPassword();
string rpcCookieFilePath = configTranslator.TryGetRpcCookieFile();
string rpcHost = configTranslator.TryGetRpcBind();
int? rpcPort = configTranslator.TryGetRpcPort();
WhiteBind whiteBind = configTranslator.TryGetWhiteBind();
string authString;
bool cookieAuth = rpcCookieFilePath is { };
if (cookieAuth)
{
authString = $"cookiefile={rpcCookieFilePath}";
}
else
{
rpcUser ??= Encoders.Hex.EncodeData(RandomUtils.GetBytes(21));
rpcPassword ??= Encoders.Hex.EncodeData(RandomUtils.GetBytes(21));
authString = $"{rpcUser}:{rpcPassword}";
}
coreNode.P2pEndPoint = whiteBind?.EndPoint ?? coreNodeParams.P2pEndPointStrategy.EndPoint;
rpcHost ??= coreNodeParams.RpcEndPointStrategy.EndPoint.GetHostOrDefault();
rpcPort ??= coreNodeParams.RpcEndPointStrategy.EndPoint.GetPortOrDefault();
EndPointParser.TryParse($"{rpcHost}:{rpcPort}", coreNode.Network.RPCPort, out EndPoint rpce);
coreNode.RpcEndPoint = rpce;
var rpcClient = new RPCClient(
$"{authString}",
coreNode.RpcEndPoint.ToString(coreNode.Network.DefaultPort),
coreNode.Network);
coreNode.RpcClient = new CachedRpcClient(rpcClient, coreNodeParams.Cache);
if (coreNodeParams.TryRestart)
{
await coreNode.TryStopAsync(false).ConfigureAwait(false);
}
cancel.ThrowIfCancellationRequested();
if (coreNodeParams.TryDeleteDataDir)
{
await IoHelpers.TryDeleteDirectoryAsync(coreNode.DataDir).ConfigureAwait(false);
}
cancel.ThrowIfCancellationRequested();
IoHelpers.EnsureDirectoryExists(coreNode.DataDir);
var configPrefix = NetworkTranslator.GetConfigPrefix(coreNode.Network);
var whiteBindPermissionsPart = !string.IsNullOrWhiteSpace(whiteBind?.Permissions) ? $"{whiteBind?.Permissions}@" : "";
var desiredConfigLines = new List <string>()
{
$"{configPrefix}.server = 1",
$"{configPrefix}.listen = 1",
$"{configPrefix}.whitebind = {whiteBindPermissionsPart}{coreNode.P2pEndPoint.ToString(coreNode.Network.DefaultPort)}",
$"{configPrefix}.rpcbind = {coreNode.RpcEndPoint.GetHostOrDefault()}",
$"{configPrefix}.rpcallowip = {IPAddress.Loopback}",
$"{configPrefix}.rpcport = {coreNode.RpcEndPoint.GetPortOrDefault()}"
};
if (!cookieAuth)
{
desiredConfigLines.Add($"{configPrefix}.rpcuser = {coreNode.RpcClient.CredentialString.UserPassword.UserName}");
desiredConfigLines.Add($"{configPrefix}.rpcpassword = {coreNode.RpcClient.CredentialString.UserPassword.Password}");
}
if (coreNodeParams.TxIndex is { })