async Task EnsureMineToAddresses()
{
var mineToAddresses = new List <BitcoinWitPubKeyAddress>();
if (this.appConfiguration.MineToAddress != null)
{
mineToAddresses.Add(this.appConfiguration.MineToAddress);
this.logger.LogInformation($"Mining to address {this.appConfiguration.MineToAddress} (set in x1-producer.config).");
AddressCache.SetMineToAddresses(mineToAddresses);
return;
}
this.logger.LogInformation("Trying to extract mine-to-addresses from the wallet. The wallet must contain at least one unspent output.");
while (true)
{
try
{
var getUnspentOutputsResponse = await this.rpcClient.GetUnspentOutputs();
if (getUnspentOutputsResponse.Status != 200)
{
throw new InvalidOperationException(getUnspentOutputsResponse.StatusText);
}
var unspentOutputs = getUnspentOutputsResponse.Result.result
.Where(x => x.address != null)
.DistinctBy(x => x.address).ToArray();
if (unspentOutputs.Length == 0)
{
throw new InvalidOperationException($"Unable to extract addresses for mining from the wallet because it doesn't contain unspent outputs. " +
$"You can set an address in x1-producer config: minetoaddress=x11...");
}
bool useMiningLabelPrefix = unspentOutputs.Any(x => HasMiningLabelPrefix(x.label));
this.logger.LogInformation(useMiningLabelPrefix
? $"Extracting mine-to addresses where its label is prefixed with '{MiningLabelPrefix}'."
: $"Using all addresses as mine-to addresses, because no address has its label prefixed with '{MiningLabelPrefix}'.");
foreach (var output in unspentOutputs)
{
if (!output.spendable || !output.solvable)
{
continue;
}
if (useMiningLabelPrefix && !HasMiningLabelPrefix(output.label))
{
continue;
}
try
{
// use every address that is a valid WPKH address.
mineToAddresses.Add(new BitcoinWitPubKeyAddress(output.address, C.Network));
}
// ReSharper disable once EmptyGeneralCatchClause
catch
{
}
}
if (mineToAddresses.Count > 0)
{
this.logger.LogInformation($"Imported {mineToAddresses.Count} addresses for mining.");
AddressCache.SetMineToAddresses(mineToAddresses);
return;
}
throw new InvalidOperationException("No addresses for mining.");
}
catch (Exception e)
{
this.logger.LogError($"Error retrieving addresses for mining: {e.Message} Retrying...");
await Task.Delay(2000);
}
}
}