private void BlockPoller(object stats)
{
if (_jobTracker.Current == null) // make sure we already have succesfully created a previous job.
{
return; // else just skip block-polling until we do so.
}
try
{
var blockTemplate = _daemonClient.GetBlockTemplate(_poolConfig.Coin.Options.BlockTemplateModeRequired);
if (blockTemplate.Height == _jobTracker.Current.Height) // if network reports the same block-height with our current job.
{
return; // just return.
}
_logger.Verbose("A new block {0} emerged in network, rebroadcasting new work", blockTemplate.Height);
CreateAndBroadcastNewJob(false); // broadcast a new job.
}
catch (RpcException) { } // just skip any exceptions caused by the block-pooler queries.
_blockPollerTimer.Change(_poolConfig.Job.BlockRefreshInterval, Timeout.Infinite); // reset the block-poller timer so we can keep polling.
}
private void BlockPoller(object stats)
{
if (_jobTracker.Current == null)
{
// CreateAndBroadcastNewJob(false);
// make sure we already have succesfully created a previous job.
return; // else just skip block-polling until we do so.
}
try
{
_logger.Verbose("Trying to get new BlockTemplate... (1)");
var blockTemplate = _daemonClient.GetBlockTemplate(_poolConfig.Coin.Options.BlockTemplateModeRequired);
MetronomeTracker.CurrentMetronomeHash = blockTemplate.MetronomeHash;
if (metronomeActive && BigInteger.Parse(blockTemplate.MetronomeHash, System.Globalization.NumberStyles.HexNumber).IsZero)
{
if (_jobTracker.Current != null)
{
_jobTracker.Current.CleanJobs = true;
SendSleepSignal();
}
return;
}
_logger.Information("NEW Metro Hash: {0}", blockTemplate.MetronomeHash);
if (blockTemplate.Height == _jobTracker.Current.Height) // if network reports the same block-height with our current job.
{
return; // just return.
}
_logger.Verbose("A new block {0} emerged in network, rebroadcasting new work", blockTemplate.Height);
CreateAndBroadcastNewJob(false); // broadcast a new job.
}
catch (RpcException) { } // just skip any exceptions caused by the block-pooler queries.
_blockPollerTimer.Change(_poolConfig.Job.BlockRefreshInterval, Timeout.Infinite); // reset the block-poller timer so we can keep polling.
}
public void Recache()
{
try // read getinfo() based data.
{
var info = _daemonClient.GetInfo();
// read data.
CoinVersion = info.Version;
ProtocolVersion = info.ProtocolVersion;
WalletVersion = info.WalletVersion;
Testnet = info.Testnet;
Connections = info.Connections;
Errors = info.Errors;
// check if our network connection is healthy.
Healthy = Connections >= 0 && string.IsNullOrEmpty(Errors);
}
catch (RpcException e)
{
_logger.Error("Can not read getinfo(): {0:l}", e.Message);
Healthy = false; // set healthy status to false as we couldn't get a reply.
}
try // read getmininginfo() based data.
{
var miningInfo = _daemonClient.GetMiningInfo();
// read data.
Hashrate = miningInfo.NetworkHashPerSec;
Difficulty = miningInfo.Difficulty;
Round = miningInfo.Blocks + 1;
}
catch (RpcException e)
{
_logger.Error("Can not read getmininginfo(): {0:l}", e.Message);
Hashrate = 0;
Difficulty = 0;
Round = -1;
Healthy = false; // set healthy status to false as we couldn't get a reply.
}
try // read getblocktemplate() based data.
{
var blockTemplate = _daemonClient.GetBlockTemplate(_poolConfig.Coin.Options.BlockTemplateModeRequired);
Reward = (UInt64)blockTemplate.Coinbasevalue / 100000000; // coinbasevalue is in satoshis, convert it to actual coins.
}
catch (RpcException e)
{
_logger.Error("Can not read getblocktemplate(): {0:l}", e.Message);
Reward = 0;
}
}
private bool SubmitBlock(IShare share)
{
// TODO: we should try different submission techniques and probably more then once: https://github.com/ahmedbodi/stratum-mining/blob/master/lib/bitcoin_rpc.py#L65-123
try
{
if (_poolConfig.Coin.Options.SubmitBlockSupported) // see if submitblock() is available.
{
_daemonClient.SubmitBlock(share.BlockHex.ToHexString()); // submit the block.
}
else
{
_daemonClient.GetBlockTemplate(share.BlockHex.ToHexString(), _poolConfig.Wallet.Address); // use getblocktemplate() if submitblock() is not supported.
}
var block = _daemonClient.GetBlock(share.BlockHash.ToHexString()); // query the block.
if (block == null) // make sure the block exists
{
_logger.Debug("Submitted block [{0}] cannot be found with getblock; [{1}]", share.BlockHash.ToHexString(), block.Hash);
return(false);
}
if (block.Confirmations == -1) // make sure the block is accepted.
{
_logger.Debug("Submitted block [{0}] is orphaned; [{1:l}]", block.Height, block.Hash);
return(false);
}
var expectedTxHash = share.CoinbaseHash.Bytes.ReverseBuffer().ToHexString(); // calculate our expected generation transactions's hash
var genTxHash = block.Tx.First(); // read the hash of very first (generation transaction) of the block
if (expectedTxHash != genTxHash) // make sure our calculated generated transaction and one reported by coin daemon matches.
{
_logger.Debug("Submitted block [{0}] doesn't seem to belong us as reported generation transaction hash [{1:l}] doesn't match our expected one [{2:l}]", block.Height, genTxHash, expectedTxHash);
return(false);
}
var genTx = _daemonClient.GetTransaction(block.Tx.First()); // get the generation transaction.
// make sure we were able to read the generation transaction
if (genTx == null)
{
_logger.Debug("Submitted block [{0}] doesn't seem to belong us as we can't read the generation transaction on our records [{1:l}]", block.Height, block.Tx.First());
return(false);
}
var poolOutput = genTx.GetPoolOutput(_poolConfig.Wallet.Address, _poolAccount); // get the output that targets pool's central address.
// make sure the blocks generation transaction contains our central pool wallet address
if (poolOutput == null)
{
_logger.Debug("Submitted block [{0}] doesn't seem to belong us as generation transaction doesn't contain an output for pool's central wallet address: {0:}", block.Height, _poolConfig.Wallet.Address);
return(false);
}
// if the code flows here, then it means the block was succesfully submitted and belongs to us.
share.SetFoundBlock(block, genTx); // assign the block to share.
_logger.Information("Found block [{0}] with hash [{1:l}]", share.Height, share.BlockHash.ToHexString());
return(true);
}
catch (RpcException e)
{
// unlike BlockProcessor's detailed exception handling and decision making based on the error,
// here in share-manager we only one-shot submissions. If we get an error, basically we just don't care about the rest
// and flag the submission as failed.
_logger.Debug("We thought a block was found but it was rejected by the coin daemon; [{0:l}] - reason; {1:l}", share.BlockHash.ToHexString(), e.Message);
return(false);
}
catch (Exception e)
{
_logger.Debug("We thought a block was found but it was rejected by the coin daemon; [{0:l}] - reason; {1:l}", share.BlockHash.ToHexString(), e.Message);
return(false);
}
}
public void Recache()
{
try // read getnetworkinfo() followed by getwalletinfo() based data.
{
var info = _daemonClient.GetNetworkInfo();
// read Getnetwork
CoinVersion = info.Version;
ProtocolVersion = info.ProtocolVersion;
Connections = info.Connections;
Errors = info.Errors;
try // read getwalletinfo() based data.
{
var infoWall = _daemonClient.GetWalletInfo();
// read data
WalletVersion = infoWall.WalletVersion;
}
catch (RpcException e)
{
_logger.Error("Can not read getwalletinfo(): {0:l}", e.Message);
Healthy = false; // set healthy status to false as we couldn't get a reply.
}
// check if our network connection is healthy. info: based errors are warnings only so ignore.
Healthy = Connections >= 0 && (string.IsNullOrEmpty(Errors) || Errors.Contains("Info:"));
}
catch (RpcException) // catch exception, provide backwards compatability for getinfo() based data.
{
// do not log this as an actual error, but rather as info only, then proceed to try getinfo().
//_logger.Error("Can not read getnetworkinfo(), trying getinfo() instead: {0:l}", c.Message); // do not log original error, try getinfo() first.
try // catch exception, provide backwards compatability for getinfo() based data.
{
var info = _daemonClient.GetInfo();
// read data.
CoinVersion = info.Version;
ProtocolVersion = info.ProtocolVersion;
WalletVersion = info.WalletVersion;
Testnet = info.Testnet;
Connections = info.Connections;
Errors = info.Errors;
// check if our network connection is healthy. info: based errors are warnings only so ignore.
Healthy = Connections >= 0 && (string.IsNullOrEmpty(Errors) || Errors.Contains("Info:"));
}
catch (RpcException ee)
{
_logger.Error("Can not read getinfo(): {0:l}", ee.Message);
Healthy = false; // set healthy status to false as we couldn't get a reply.
}
}
try // read getmininginfo() based data.
{
var miningInfo = _daemonClient.GetMiningInfo();
// read data.
Hashrate = miningInfo.NetworkHashPerSec;
Difficulty = miningInfo.Difficulty;
Round = miningInfo.Blocks + 1;
if (!Testnet)
{
Testnet = miningInfo.Testnet;
}
}
catch (RpcException e)
{
_logger.Error("Can not read getmininginfo(): {0:l}", e.Message);
Hashrate = 0;
Difficulty = 0;
Round = -1;
Healthy = false; // set healthy status to false as we couldn't get a reply.
}
try // read getblocktemplate() based data.
{
var blockTemplate = _daemonClient.GetBlockTemplate(_poolConfig.Coin.Options.BlockTemplateModeRequired);
Reward = (UInt64)blockTemplate.Coinbasevalue / 100000000; // coinbasevalue is in satoshis, convert it to actual coins.
}
catch (RpcException e)
{
_logger.Error("Can not read getblocktemplate(): {0:l}", e.Message);
Reward = 0;
}
}