/// <summary>
/// Processes the share.
/// </summary>
/// <param name="miner">The miner.</param>
/// <param name="jobId">The job identifier.</param>
/// <param name="extraNonce2">The extra nonce2.</param>
/// <param name="nTimeString">The n time string.</param>
/// <param name="nonceString">The nonce string.</param>
/// <returns></returns>
public IShare ProcessShare(IStratumMiner miner, string jobId, string extraNonce2, string nTimeString, string nonceString, string cycle)
{
// check if the job exists
var id = Convert.ToUInt64(jobId, 16);
var job = _jobTracker.Get(id);
string[] cycleEdgesStrs = cycle.Split(',');
UInt32[] cycleEdges = new UInt32[cycleEdgesStrs.Length];
for (var i = 0; i < cycleEdgesStrs.Length; i++)
{
cycleEdges[i] = Convert.ToUInt32(cycleEdgesStrs[i], 16);
}
// create the share
var share = new Share(miner, id, job, extraNonce2, nTimeString, nonceString, cycleEdges);
if (share.IsValid)
{
HandleValidShare(share);
}
else
{
HandleInvalidShare(share);
}
OnShareSubmitted(new ShareEventArgs(miner)); // notify the listeners about the share.
return(share);
}
/// <summary>
/// Processes the share.
/// </summary>
/// <param name="miner">The miner.</param>
/// <param name="jobId">The job identifier.</param>
/// <param name="extraNonce2">The extra nonce2.</param>
/// <param name="nTimeString">The n time string.</param>
/// <param name="nonceString">The nonce string.</param>
/// <returns></returns>
public IShare ProcessShare(IStratumMiner miner, string jobId, string extraNonce2, string nTimeString, string nonceString)
{
// check if the job exists
var id = Convert.ToUInt64(jobId, 16);
var job = _jobTracker.Get(id);
_logger.Debug("TakeShare before share constructor: nonce={0:l}, extranonce2={1:l}", nonceString, extraNonce2);
// create the share
var share = new Share(miner, id, job, extraNonce2, nTimeString, nonceString);
if (share.IsValid)
{
HandleValidShare(share);
}
else
{
HandleInvalidShare(share);
}
OnShareSubmitted(new ShareEventArgs(miner)); // notify the listeners about the share.
return(share);
}
public void UpdateDifficulty(IStratumMiner miner)
{
try
{
if (!IsEnabled)
return;
using (var connection = new MySqlConnection(_mySqlProvider.ConnectionString))
{
connection.Execute(
"UPDATE pool_worker SET difficulty = @difficulty WHERE username = @username", new
{
difficulty = miner.Difficulty,
username = miner.Username
});
}
}
catch (Exception e)
{
_logger.Error("An exception occured while updating difficulty for miner; {0:l}", e.Message);
}
}
/// <summary>
/// Processes the share.
/// </summary>
/// <param name="miner">The miner.</param>
/// <param name="jobId">The job identifier.</param>
/// <param name="extraNonce2">The extra nonce2.</param>
/// <param name="nTimeString">The n time string.</param>
/// <param name="nonceString">The nonce string.</param>
/// <returns></returns>
public IShare ProcessShare(IStratumMiner miner, string jobId, string nTime, string extraNonce2, string equihashSolution)
{
// check if the job exists
var id = Convert.ToUInt64(jobId, 16);
var job = _jobTracker.Get(id);
// create the share
var share = new Share(miner, id, job, extraNonce2, nTime, equihashSolution);
if (share.IsValid)
{
HandleValidShare(share);
}
else
{
HandleInvalidShare(share);
}
OnShareSubmitted(new ShareEventArgs(miner)); // notify the listeners about the share.
return(share);
}
/// <summary>
/// Processes the share.
/// </summary>
/// <param name="miner">The miner.</param>
/// <param name="jobId">The job identifier.</param>
/// <param name="extraNonce2">The extra nonce2.</param>
/// <param name="nTimeString">The n time string.</param>
/// <param name="nonceString">The nonce string.</param>
/// <returns></returns>
public IShare ProcessShare(IStratumMiner miner, string jobId, string extraNonce2, string nTimeString, string nonceString, string jobPayoutUser)
{
// check if the job exists
var id = Convert.ToUInt64(jobId, 16);
var job = _jobTracker.Get(id);
Share share;
if (!job.MetronomeHash.Equals(MetronomeTracker.CurrentMetronomeHash) ||
BigInteger.Parse(MetronomeTracker.CurrentMetronomeHash, System.Globalization.NumberStyles.HexNumber).IsZero)
{
share = new Share(miner, id, null, extraNonce2, nTimeString, nonceString);
share.Error = ShareError.InsideSleepWindow;
}
else
{
// create the share
share = new Share(miner, id, job, extraNonce2, nTimeString, nonceString);
}
share.PayoutUser = jobPayoutUser;
if (share.IsValid)
{
HandleValidShare(share);
}
else
{
HandleInvalidShare(share);
}
if (share.Error != ShareError.InsideSleepWindow)
{
OnShareSubmitted(new ShareEventArgs(miner)); // notify the listeners about the share.
}
return(share);
}
public void UpdateDifficulty(IStratumMiner miner)
{
try
{
if (!IsEnabled)
{
return;
}
using (var connection = new MySqlConnection(_mySqlProvider.ConnectionString))
{
connection.Execute(
"UPDATE pool_worker SET difficulty = @difficulty WHERE username = @username", new
{
difficulty = miner.Difficulty,
username = miner.Username
});
}
}
catch (Exception e)
{
_logger.Error("An exception occured while updating difficulty for miner; {0:l}", e.Message);
}
}
/// <summary>
/// Processes the share.
/// </summary>
/// <param name="miner">The miner.</param>
/// <param name="jobId">The job identifier.</param>
/// <param name="extraNonce2">The extra nonce2.</param>
/// <param name="nTimeString">The n time string.</param>
/// <param name="nonceString">The nonce string.</param>
/// <returns></returns>
public IShare ProcessShare(IStratumMiner miner, string jobId, string extraNonce2, string nTimeString, string nonceString)
{
// check if the job exists
var id = Convert.ToUInt64(jobId, 16);
var job = _jobTracker.Get(id);
// create the share
var share = new Share(miner, id, job, extraNonce2, nTimeString, nonceString);
if (share.IsValid)
HandleValidShare(share);
else
HandleInvalidShare(share);
OnShareSubmitted(new ShareEventArgs(miner)); // notify the listeners about the share.
return share;
}
public ShareTests()
{
/*
* -- create-generation start --
* rpcData: {"version":2,"previousblockhash":"1c4eb88e47564cb796b5c6648c74bec51d7215ac12fc4168b14827aac74a8062","transactions":[{"data":"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","hash":"dc3a80ec6c45aa489453b2c4abf6761eb6656d949e26d01793458c166640e5f3","depends":[],"fee":0,"sigops":2}],"coinbaseaux":{"flags":"062f503253482f"},"coinbasevalue":5000000000,"target":"00000048d4f70000000000000000000000000000000000000000000000000000","mintime":1403691059,"mutable":["time","transactions","prevblock"],"noncerange":"00000000ffffffff","sigoplimit":20000,"sizelimit":1000000,"curtime":1403691825,"bits":"1d48d4f7","height":315152}
*
* -- scriptSigPart data --
* -> height: 315152 serialized: 0310cf04
* -> coinbase: 062f503253482f hex: 062f503253482f
* -> date: 1403691824760 final:1403691824 serialized: 0430a3aa53
* -- p1 data --
* txVersion: 1 packed: 01000000
* txInputsCount: 1 varIntBuffer: 01
* txInPrevOutHash: 0 uint256BufferFromHash: 0000000000000000000000000000000000000000000000000000000000000000
* txInPrevOutIndex: 4294967295 packUInt32LE: ffffffff
* scriptSigPart1.length: 17 extraNoncePlaceholder.length:8 scriptSigPart2.length:14 all: 39 varIntBuffer: 27
* scriptSigPart1: 0310cf04062f503253482f0430a3aa5308
* p1: 01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff270310cf04062f503253482f0430a3aa5308
* -- generateOutputTransactions --
* block-reward: 5000000000
* recipient-reward: 50000000 packInt64LE: 80f0fa0200000000
* lenght: 25 varIntBuffer: 19
* script: 76a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac
* pool-reward: 4950000000 packInt64LE: 80010b2701000000
* lenght: 25 varIntBuffer: 19
* script: 76a914329035234168b8da5af106ceb20560401236849888ac
* txOutputBuffers.lenght : 2 varIntBuffer: 02
* -- p2 --
* scriptSigPart2: 0d2f6e6f64655374726174756d2f
* txInSequence: 0 packUInt32LE: 00000000
* outputTransactions: 0280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac
* txLockTime: 0 packUInt32LE: 00000000
* txComment:
* p2: 0d2f6e6f64655374726174756d2f000000000280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac00000000
*
* getJobParams: ["2","c74a8062b14827aa12fc41681d7215ac8c74bec596b5c66447564cb71c4eb88e","01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff270310cf04062f503253482f0430a3aa5308","0d2f6e6f64655374726174756d2f000000000280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac00000000",["f3e54066168c459317d0269e946d65b61e76f6abc4b2539448aa456cec803adc"],"00000002","1d48d4f7","53aaa331",true]
*/
// daemon client
_daemonClient = Substitute.For <IDaemonClient>();
_daemonClient.ValidateAddress(Arg.Any <string>()).Returns(new ValidateAddress {
IsValid = true
});
// block template
const string json = "{\"result\":{\"version\":2,\"previousblockhash\":\"1c4eb88e47564cb796b5c6648c74bec51d7215ac12fc4168b14827aac74a8062\",\"transactions\":[{\"data\":\"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\",\"hash\":\"dc3a80ec6c45aa489453b2c4abf6761eb6656d949e26d01793458c166640e5f3\",\"depends\":[],\"fee\":0,\"sigops\":2}],\"coinbaseaux\":{\"flags\":\"062f503253482f\"},\"coinbasevalue\":5000000000,\"target\":\"00000048d4f70000000000000000000000000000000000000000000000000000\",\"mintime\":1403691059,\"mutable\":[\"time\",\"transactions\",\"prevblock\"],\"noncerange\":\"00000000ffffffff\",\"sigoplimit\":20000,\"sizelimit\":1000000,\"curtime\":1403691825,\"bits\":\"1d48d4f7\",\"height\":315152},\"error\":null,\"id\":1}";
var blockTemplateObject = JsonConvert.DeserializeObject <DaemonResponse <BlockTemplate> >(json);
_blockTemplate = blockTemplateObject.Result;
// extra nonce
_extraNonce = Substitute.For <ExtraNonce>((UInt32)0);
// signature script
_signatureScript = Substitute.For <SignatureScript>(
_blockTemplate.Height,
_blockTemplate.CoinBaseAux.Flags,
1403691824760,
(byte)_extraNonce.ExtraNoncePlaceholder.Length,
"/nodeStratum/");
// outputs
_outputs = Substitute.For <Outputs>(_daemonClient);
double blockReward = 5000000000; // the amount rewarded by the block.
// sample reward recipient
var rewardsConfig = Substitute.For <IRewardsConfig>();
var amount = blockReward * 0.01;
blockReward -= amount;
var rewards = new Dictionary <string, float> {
{ "mrwhWEDnU6dUtHZJ2oBswTpEdbBHgYiMji", (float)amount }
};
rewardsConfig.GetEnumerator().Returns(rewards.GetEnumerator());
foreach (var pair in rewards)
{
_outputs.AddRecipient(pair.Key, pair.Value);
}
// sample pool wallet
var walletConfig = Substitute.For <IWalletConfig>();
walletConfig.Adress.Returns("mk8JqN1kNWju8o3DXEijiJyn7iqkwktAWq");
_outputs.AddPoolWallet(walletConfig.Adress, blockReward);
var metaConfig = Substitute.For <IMetaConfig>();
// generation transaction
_generationTransaction = Substitute.For <GenerationTransaction>(_extraNonce, _daemonClient, _blockTemplate, walletConfig, rewardsConfig, metaConfig, false);
//_generationTransaction.Inputs.First().SignatureScript = _signatureScript;
//_generationTransaction.Outputs = _outputs;
_generationTransaction.Create();
// hash algorithm
_hashAlgorithm = Substitute.For <Scrypt>();
// the job.
_job = new Job(2, _hashAlgorithm, _blockTemplate, _generationTransaction)
{
CleanJobs = true
};
// the job tracker.
_jobTracker = Substitute.For <IJobTracker>();
_jobTracker.Get(2).Returns(_job);
// the job manager.
_jobManager = Substitute.For <IJobManager>();
_jobManager.ExtraNonce.Next().Returns((UInt32)0x58000000);
// coin config
_miner = Substitute.For <IStratumMiner>();
_miner.ExtraNonce.Returns((UInt32)0x58000000);
}
public void UpdateDifficulty(IStratumMiner miner)
{
return;
}
public Share(IStratumMiner miner, UInt64 jobId, IJob job, string extraNonce2, string nTimeString,
string nonceString)
{
_logger.Debug("Entering share constructor: {0}", nonceString);
Miner = miner;
JobId = jobId;
Job = job;
Error = ShareError.None;
var submitTime = TimeHelpers.NowInUnixTimestamp(); // time we recieved the share from miner.
if (Job == null)
{
_logger.Error("Job is null");
Error = ShareError.JobNotFound;
return;
}
if (extraNonce2 == null)
{
_logger.Error("extraNonce2 is NULL!");
}
// check size of miner supplied extraNonce2
if (extraNonce2.Length / 2 != ExtraNonce.ExpectedExtraNonce2Size)
{
_logger.Error("Incorrect Extranonce2 size: {0} while expecting {1}", extraNonce2.Length, ExtraNonce.ExpectedExtraNonce2Size * 2);
Error = ShareError.IncorrectExtraNonce2Size;
return;
}
ExtraNonce2 = Convert.ToUInt32(extraNonce2, 16); // set extraNonce2 for the share.
if (nTimeString == null)
{
_logger.Error("nTimeString is NULL!");
}
// check size of miner supplied nTime.
if (nTimeString.Length != 8)
{
_logger.Error("nTimeString length !=8: {0}", nTimeString.Length);
Error = ShareError.IncorrectNTimeSize;
return;
}
NTime = Convert.ToUInt32(nTimeString, 16); // read ntime for the share
// make sure NTime is within range.
if (NTime < job.BlockTemplate.CurTime || NTime > submitTime + 7200)
{
_logger.Error("NTime Out Of Range!");
Error = ShareError.NTimeOutOfRange;
return;
}
if (nonceString == null)
{
_logger.Error("nonceString is NULL!");
}
// check size of miner supplied nonce.
if (nonceString.Length != 8)
{
_logger.Error("nonceString.Length != 8: {0}", nonceString.Length);
Error = ShareError.IncorrectNonceSize;
return;
}
Nonce = Convert.ToUInt32(nonceString, 16); // nonce supplied by the miner for the share.
if (miner == null)
{
_logger.Error("miner is NULL!");
}
// set job supplied parameters.
Height = job.BlockTemplate.Height; // associated job's block height.
ExtraNonce1 = miner.ExtraNonce; // extra nonce1 assigned to miner.
// check for duplicate shares.
if (!Job.RegisterShare(this)) // try to register share with the job and see if it's duplicated or not.
{
_logger.Error("Duplicate share: {0:l}", nonceString);
Error = ShareError.DuplicateShare;
return;
}
_logger.Debug("Serialize Share {0}", nonceString);
// construct the coinbase.
CoinbaseBuffer = Serializers.SerializeCoinbase(Job, ExtraNonce1, ExtraNonce2);
CoinbaseHash = Coin.Coinbase.Utils.HashCoinbase(CoinbaseBuffer);
// create the merkle root.
MerkleRoot = Job.MerkleTree.WithFirst(CoinbaseHash).ReverseBuffer();
// create the block headers
_logger.Debug("Getting Header buffer for Share {0}", nonceString);
HeaderBuffer = Serializers.SerializeHeader(Job, MerkleRoot, NTime, Nonce);
HeaderHash = Job.HashAlgorithm.Hash(HeaderBuffer);
_logger.Debug("Got share {0} of length: {1}\nPOW: {2,64:l}\nTGT: {3,64:l}", nonceString, HeaderHash.Length,
HeaderHash.ReverseBytes().ToHexString(), Job.Target.ToByteArray().ReverseBytes().ToHexString()
);
HeaderValue = new BigInteger(HeaderHash);
// calculate the share difficulty
Difficulty = ((double)new BigRational(AlgorithmManager.Diff1, HeaderValue)) * Job.HashAlgorithm.Multiplier;
// calculate the block difficulty
BlockDiffAdjusted = Job.Difficulty * Job.HashAlgorithm.Multiplier;
/*
* Test false pozitive block candidates: negative bigints were the problem
* byte[] testbytes = new byte[] {
* 0xf7, 0xdf, 0xed, 0xbd,
* 0x9a, 0x2b, 0xa5, 0x1f,
* 0x7b, 0x0d, 0x68, 0x76,
* 0xbe, 0x1f, 0x18, 0xd6,
* 0x2d, 0x49, 0x94, 0x91,
* 0x69, 0x11, 0x39, 0x41,
* 0xdf, 0x1f, 0x25, 0xdb,
* 0x9b, 0x4e, 0x97, 0xb7
* };
* string teststr = testbytes.ReverseBuffer().ToHexString();
* HeaderValue = new BigInteger(testbytes);
*/
// check if block candicate
if (Job.Target >= HeaderValue)
//if (true) //for Debug only
{
IsBlockCandidate = true;
BlockHex = Serializers.SerializeBlock(Job, HeaderBuffer, CoinbaseBuffer, miner.Pool.Config.Coin.Options.IsProofOfStakeHybrid);
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
try
{
_logger.Debug("Job.Target is greater than or equal HeaderValue(POW-SCRYPT)!!!:\n{9}\n{10}\n\n" +
"Big-Endian values for Block Header:\n" +
"job.BlockTemplate.Version={0}\n" +
"job.PreviousBlockHash={1}\n" +
"MerkleRoot={2}\n" +
"NTime={3}\n" +
"job.EncodedDifficulty={4}\n" +
"Nonce={5}\n" +
"==============\n" +
"result={6}\n\n" +
"Big-Endian:\n" +
"BlockHex={7}\n" +
"BlockHash(2xSHA256)={8}\n",
job.BlockTemplate.Version,
BitConverter.ToString(job.PreviousBlockHash.HexToByteArray()).Replace("-", string.Empty),
BitConverter.ToString(MerkleRoot).Replace("-", string.Empty),
NTime,
job.EncodedDifficulty,
Nonce,
BitConverter.ToString(HeaderBuffer).Replace("-", string.Empty),
BlockHex,
BitConverter.ToString(BlockHash).Replace("-", string.Empty),
Job.Target.ToByteArray().ReverseBuffer().ToHexString(),
HeaderValue.ToByteArray().ReverseBuffer().ToHexString()
);
}
catch (Exception e)
{
_logger.Error(e, "Something has happened while logging");
}
}
else
{
IsBlockCandidate = false;
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
// Check if share difficulty reaches miner difficulty.
var lowDifficulty = Difficulty / miner.Difficulty < 0.99; // share difficulty should be equal or more then miner's target difficulty.
if (!lowDifficulty) // if share difficulty is high enough to match miner's current difficulty.
{
return; // just accept the share.
}
if (Difficulty >= miner.PreviousDifficulty) // if the difficulty matches miner's previous difficulty before the last vardiff triggered difficulty change
{
return; // still accept the share.
}
// if the share difficulty can't match miner's current difficulty or previous difficulty
Error = ShareError.LowDifficultyShare; // then just reject the share with low difficult share error.
}
}
public void UpdateDifficulty(IStratumMiner miner)
{
return;
}
public void UpdateDifficulty(IStratumMiner miner)
{
// as we don't have an actual persistance layer, we can't write difficulty update information.
return;
}
public StratumContext(IStratumMiner miner)
{
Miner = miner;
}
public Share(IStratumMiner miner, UInt64 jobId, IJob job, string extraNonce2, string nTimeString, string nonceString)
{
Miner = miner;
JobId = jobId;
Job = job;
Error = ShareError.None;
var submitTime = TimeHelpers.NowInUnixTimestamp(); // time we recieved the share from miner.
if (Job == null)
{
Error = ShareError.JobNotFound;
return;
}
// check size of miner supplied extraNonce2
if (extraNonce2.Length/2 != ExtraNonce.ExpectedExtraNonce2Size)
{
Error = ShareError.IncorrectExtraNonce2Size;
return;
}
ExtraNonce2 = Convert.ToUInt32(extraNonce2, 16); // set extraNonce2 for the share.
// check size of miner supplied nTime.
if (nTimeString.Length != 8)
{
Error = ShareError.IncorrectNTimeSize;
return;
}
NTime = Convert.ToUInt32(nTimeString, 16); // read ntime for the share
// make sure NTime is within range.
if (NTime < job.BlockTemplate.CurTime || NTime > submitTime + 7200)
{
Error = ShareError.NTimeOutOfRange;
return;
}
// check size of miner supplied nonce.
if (nonceString.Length != 8)
{
Error = ShareError.IncorrectNonceSize;
return;
}
Nonce = Convert.ToUInt32(nonceString, 16); // nonce supplied by the miner for the share.
// set job supplied parameters.
Height = job.BlockTemplate.Height; // associated job's block height.
ExtraNonce1 = miner.ExtraNonce; // extra nonce1 assigned to miner.
// check for duplicate shares.
if (!Job.RegisterShare(this)) // try to register share with the job and see if it's duplicated or not.
{
Error = ShareError.DuplicateShare;
return;
}
// construct the coinbase.
CoinbaseBuffer = Serializers.SerializeCoinbase(Job, ExtraNonce1, ExtraNonce2);
CoinbaseHash = Coin.Coinbase.Utils.HashCoinbase(CoinbaseBuffer);
// create the merkle root.
MerkleRoot = Job.MerkleTree.WithFirst(CoinbaseHash).ReverseBuffer();
// create the block headers
HeaderBuffer = Serializers.SerializeHeader(Job, MerkleRoot, NTime, Nonce);
HeaderHash = Job.HashAlgorithm.Hash(HeaderBuffer);
HeaderValue = new BigInteger(HeaderHash);
// calculate the share difficulty
Difficulty = ((double)new BigRational(AlgorithmManager.Diff1, HeaderValue)) * Job.HashAlgorithm.Multiplier;
// calculate the block difficulty
BlockDiffAdjusted = Job.Difficulty * Job.HashAlgorithm.Multiplier;
// check if block candicate
if (Job.Target >= HeaderValue)
{
IsBlockCandidate = true;
BlockHex = Serializers.SerializeBlock(Job, HeaderBuffer, CoinbaseBuffer, miner.Pool.Config.Coin.Options.IsProofOfStakeHybrid);
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
}
else
{
IsBlockCandidate = false;
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
// Check if share difficulty reaches miner difficulty.
var lowDifficulty = Difficulty/miner.Difficulty < 0.99; // share difficulty should be equal or more then miner's target difficulty.
if (!lowDifficulty) // if share difficulty is high enough to match miner's current difficulty.
return; // just accept the share.
if (Difficulty >= miner.PreviousDifficulty) // if the difficulty matches miner's previous difficulty before the last vardiff triggered difficulty change
return; // still accept the share.
// if the share difficulty can't match miner's current difficulty or previous difficulty
Error = ShareError.LowDifficultyShare; // then just reject the share with low difficult share error.
}
}
public StratumContext(IStratumMiner miner)
{
Miner = miner;
}
public ShareEventArgs(IStratumMiner miner)
{
Miner = miner;
}
public Share(IStratumMiner miner, UInt64 jobId, IJob job, string extraNonce2, string nTimeString, string nonceString)
{
Miner = miner;
JobId = jobId;
Job = job;
Error = ShareError.None;
// TODO: add extranonce2 size check!.
// TODO: add duplicate share check.
// TODO: add nTime out of range check
if (Job == null)
{
Error = ShareError.JobNotFound;
Log.ForContext<Share>().Warning("Job doesn't exist: {0}", JobId);
return;
}
// check miner supplied nTime.
if (nTimeString.Length != 8)
{
Error = ShareError.IncorrectNTimeSize;
Log.ForContext<Share>().Warning("Incorrect size of nTime");
return;
}
NTime = Convert.ToUInt32(nTimeString, 16); // ntime for the share
// check miner supplied nonce.
if (nonceString.Length != 8)
{
Error = ShareError.IncorrectNonceSize;
Log.ForContext<Share>().Warning("incorrect size of nonce");
return;
}
Nonce = Convert.ToUInt32(nonceString, 16); // nonce supplied by the miner for the share.
// check miner supplied extraNonce2
ExtraNonce2 = Convert.ToUInt32(extraNonce2, 16);
// check job supplied parameters.
Height = job.BlockTemplate.Height;
ExtraNonce1 = miner.ExtraNonce; // extra nonce1 assigned to miner.
// construct the coinbase.
CoinbaseBuffer = Serializers.SerializeCoinbase(Job, ExtraNonce1, ExtraNonce2);
CoinbaseHash = Coin.Coinbase.Utils.HashCoinbase(CoinbaseBuffer);
// create the merkle root.
MerkleRoot = Job.MerkleTree.WithFirst(CoinbaseHash).ReverseBuffer();
// create the block headers
HeaderBuffer = Serializers.SerializeHeader(Job, MerkleRoot, NTime, Nonce);
HeaderHash = Job.HashAlgorithm.Hash(HeaderBuffer, miner.Pool.Config.Coin.Options);
HeaderValue = new BigInteger(HeaderHash);
// calculate the share difficulty
Difficulty = ((double)new BigRational(Algorithms.Diff1, HeaderValue)) * Job.HashAlgorithm.Multiplier;
// calculate the block difficulty
BlockDiffAdjusted = Job.Difficulty * Job.HashAlgorithm.Multiplier;
// check if block candicate
if (Job.Target >= HeaderValue)
{
IsBlockCandidate = true;
BlockHex = Serializers.SerializeBlock(Job, HeaderBuffer, CoinbaseBuffer);
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer(); // TODO: make sure this is okay!
}
else
{
IsBlockCandidate = false;
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
// Check if share difficulty reaches miner difficulty.
if (Difficulty / 16 < 0.99)
{
// todo: add low difficulty share check.
}
}
}
public ShareEventArgs(IStratumMiner miner)
{
Miner = miner;
}
public ShareTests()
{
/*
-- create-generation start --
rpcData: {"version":2,"previousblockhash":"1c4eb88e47564cb796b5c6648c74bec51d7215ac12fc4168b14827aac74a8062","transactions":[{"data":"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","hash":"dc3a80ec6c45aa489453b2c4abf6761eb6656d949e26d01793458c166640e5f3","depends":[],"fee":0,"sigops":2}],"coinbaseaux":{"flags":"062f503253482f"},"coinbasevalue":5000000000,"target":"00000048d4f70000000000000000000000000000000000000000000000000000","mintime":1403691059,"mutable":["time","transactions","prevblock"],"noncerange":"00000000ffffffff","sigoplimit":20000,"sizelimit":1000000,"curtime":1403691825,"bits":"1d48d4f7","height":315152}
-- scriptSigPart data --
-> height: 315152 serialized: 0310cf04
-> coinbase: 062f503253482f hex: 062f503253482f
-> date: 1403691824760 final:1403691824 serialized: 0430a3aa53
-- p1 data --
txVersion: 1 packed: 01000000
txInputsCount: 1 varIntBuffer: 01
txInPrevOutHash: 0 uint256BufferFromHash: 0000000000000000000000000000000000000000000000000000000000000000
txInPrevOutIndex: 4294967295 packUInt32LE: ffffffff
scriptSigPart1.length: 17 extraNoncePlaceholder.length:8 scriptSigPart2.length:14 all: 39 varIntBuffer: 27
scriptSigPart1: 0310cf04062f503253482f0430a3aa5308
p1: 01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff270310cf04062f503253482f0430a3aa5308
-- generateOutputTransactions --
block-reward: 5000000000
recipient-reward: 50000000 packInt64LE: 80f0fa0200000000
lenght: 25 varIntBuffer: 19
script: 76a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac
pool-reward: 4950000000 packInt64LE: 80010b2701000000
lenght: 25 varIntBuffer: 19
script: 76a914329035234168b8da5af106ceb20560401236849888ac
txOutputBuffers.lenght : 2 varIntBuffer: 02
-- p2 --
scriptSigPart2: 0d2f6e6f64655374726174756d2f
txInSequence: 0 packUInt32LE: 00000000
outputTransactions: 0280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac
txLockTime: 0 packUInt32LE: 00000000
txComment:
p2: 0d2f6e6f64655374726174756d2f000000000280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac00000000
getJobParams: ["2","c74a8062b14827aa12fc41681d7215ac8c74bec596b5c66447564cb71c4eb88e","01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff270310cf04062f503253482f0430a3aa5308","0d2f6e6f64655374726174756d2f000000000280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac00000000",["f3e54066168c459317d0269e946d65b61e76f6abc4b2539448aa456cec803adc"],"00000002","1d48d4f7","53aaa331",true]
*/
// daemon client
_daemonClient = Substitute.For<IDaemonClient>();
_daemonClient.ValidateAddress(Arg.Any<string>()).Returns(new ValidateAddress { IsValid = true });
// block template
const string json = "{\"result\":{\"version\":1,\"previousblockhash\":\"1c4eb88e47564cb796b5c6648c74bec51d7215ac12fc4168b14827aac74a8062\",\"transactions\":[{\"data\":\"010000000332a82e92f522deee69b09e27858ba9b87585f2a4913ef71018df40909032fdc3000000006a473044022019ca05cb880a04f0d842268b7e75ac6d2695fc544df033e3daeb29239251a8970220031f6336767f2ea617347484e1290ec0bdcc71056ea2d3084e75384905250ec50121030dd394118fb66ca288bff71d8ea762678783b005770f7f9ba4128233191e0847ffffffff086747cbd339b21b950774186091653a7b8f5751b00a906ff6f5561b3a6fcee6010000006b4830450221009ae1ba9a216d313cc592fc2c1ef08f1e0e555a32b6c1b305f685ac882d38356b0220243106bbb5bb76dde142e574cba8f30c1e2f7059e8e9161770396fbd2b50420f0121030dd394118fb66ca288bff71d8ea762678783b005770f7f9ba4128233191e0847ffffffffe2f15804b1e41c36c925c6f64f219b2bdb3c9fbff4c97a4f0e8c7f31d7e6f2af000000006b48304502200be8894fdd7f5c19be248a979c08bbf2395f606e038c3e02c0266474c03699ab022100ff5de87086e487410f5d7b68012655ca6d814f0caeb9ca42d9c425a90f68b3030121030dd394118fb66ca288bff71d8ea762678783b005770f7f9ba4128233191e0847ffffffff02a0f01900000000001976a9141c50209a1dfdf53313d237b75e9aeb553ca1dfda88ac00e1f505000000001976a914cbb9a3e7a7c1651b1006f876f08b40be85b274f588ac00000000\",\"hash\":\"dc3a80ec6c45aa489453b2c4abf6761eb6656d949e26d01793458c166640e5f3\",\"depends\":[],\"fee\":0,\"sigops\":2}],\"coinbaseaux\":{\"flags\":\"062f503253482f\"},\"coinbasevalue\":5000000000,\"target\":\"00000048d4f70000000000000000000000000000000000000000000000000000\",\"mintime\":1403691059,\"mutable\":[\"time\",\"transactions\",\"prevblock\"],\"noncerange\":\"00000000ffffffff\",\"sigoplimit\":20000,\"sizelimit\":1000000,\"curtime\":1403691825,\"bits\":\"1d48d4f7\",\"height\":315152},\"error\":null,\"id\":1}";
var blockTemplateObject = JsonConvert.DeserializeObject<DaemonResponse<BlockTemplate>>(json);
_blockTemplate = blockTemplateObject.Result;
// extra nonce
_extraNonce = Substitute.For<ExtraNonce>((UInt32)0);
// signature script
_signatureScript = Substitute.For<SignatureScript>(
_blockTemplate.Height,
_blockTemplate.CoinBaseAux.Flags,
1403691824760,
(byte)_extraNonce.ExtraNoncePlaceholder.Length,
"/nodeStratum/");
// pool config
var poolConfig = Substitute.For<IPoolConfig>();
// create coin config.
var coinConfig = Substitute.For<ICoinConfig>();
coinConfig.Options.TxMessageSupported.Returns(false);
coinConfig.Options.IsProofOfStakeHybrid.Returns(false);
poolConfig.Coin.Returns(coinConfig);
// outputs
_outputs = Substitute.For<Outputs>(_daemonClient, coinConfig);
double blockReward = 5000000000; // the amount rewarded by the block.
// create rewards config.
var rewardsConfig = Substitute.For<IRewardsConfig>();
poolConfig.Rewards.Returns(rewardsConfig);
var amount = blockReward * 0.01;
blockReward -= amount;
var rewards = new Dictionary<string, float> { { "mrwhWEDnU6dUtHZJ2oBswTpEdbBHgYiMji", (float)amount } };
rewardsConfig.GetEnumerator().Returns(rewards.GetEnumerator());
foreach (var pair in rewards)
{
_outputs.AddRecipient(pair.Key, pair.Value);
}
// create wallet config.
var walletConfig = Substitute.For<IWalletConfig>();
poolConfig.Wallet.Returns(walletConfig);
// create sample pool central wallet output.
walletConfig.Adress.Returns("mk8JqN1kNWju8o3DXEijiJyn7iqkwktAWq");
_outputs.AddPoolWallet(walletConfig.Adress, blockReward);
// generation transaction
_generationTransaction = Substitute.For<GenerationTransaction>(_extraNonce, _daemonClient, _blockTemplate, poolConfig);
_generationTransaction.Inputs.First().SignatureScript = _signatureScript;
_generationTransaction.Outputs = _outputs;
_generationTransaction.Create();
// hash algorithm
_hashAlgorithm = new Scrypt();
// the job.
_job = new Job(2,_hashAlgorithm, _blockTemplate, _generationTransaction)
{
CleanJobs = true
};
// the job tracker.
_jobTracker = Substitute.For<IJobTracker>();
_jobTracker.Get(2).Returns(_job);
// the job manager.
_jobManager = Substitute.For<IJobManager>();
_jobManager.ExtraNonce.Next().Returns((UInt32)0x58000000);
// coin config
_miner = Substitute.For<IStratumMiner>();
_miner.ExtraNonce.Returns((UInt32)0x58000000);
}
public Share(IStratumMiner miner, UInt64 jobId, IJob job, string extraNonce2, string nTimeString, string nSolution)
{
Miner = miner;
JobId = jobId;
Job = job;
Error = ShareError.None;
var submitTime = TimeHelpers.NowInUnixTimestamp(); // time we recieved the share from miner.
if (Job == null)
{
Error = ShareError.JobNotFound;
return;
}
// check size of miner supplied extraNonce2
if (extraNonce2.Length / 2 != ExtraNonce.ExpectedExtraNonce2Size)
{
Error = ShareError.IncorrectExtraNonce2Size;
return;
}
ExtraNonce2 = extraNonce2; // set extraNonce2 for the share.
// check size of miner supplied nTime.
if (nTimeString.Length != 8)
{
Error = ShareError.IncorrectNTimeSize;
return;
}
NTime = Convert.ToUInt32(nTimeString.HexToByteArray().ReverseBuffer().ToHexString(), 16); // read ntime for the share
// make sure NTime is within range.
if (NTime < job.BlockTemplate.CurTime || NTime > submitTime + 7200)
{
Error = ShareError.NTimeOutOfRange;
return;
}
// set job supplied parameters.
Height = job.BlockTemplate.Height; // associated job's block height.
ExtraNonce1 = miner.ExtraNonce; // extra nonce1 assigned to miner.
// check for duplicate shares.
if (!Job.RegisterShare(this)) // try to register share with the job and see if it's duplicated or not.
{
Error = ShareError.DuplicateShare;
return;
}
// construct the coinbase.
CoinbaseBuffer = Serializers.SerializeCoinbase(Job, ExtraNonce1);
CoinbaseHash = Coin.Coinbase.Utils.HashCoinbase(CoinbaseBuffer);
string nonceString = extraNonce2.HexToByteArray().ReverseBuffer().ToHexString() + ExtraNonce1.BigEndian().ToString("x8");
byte[] nonce = nonceString.HexToByteArray();
// create the merkle root.
MerkleRoot = Job.MerkleTree.WithFirst(CoinbaseHash).ReverseBuffer();
// create the block headers
{
HeaderBuffer = Serializers.SerializeHeader(Job, MerkleRoot, nonce, NTime,
nSolution.HexToByteArray().ReverseBuffer());
HeaderHash = Job.HashAlgorithm.Hash(HeaderBuffer);
}
HeaderValue = new BigInteger(HeaderHash);
// calculate the share difficulty
Difficulty = ((double)new BigRational(AlgorithmManager.Diff1, HeaderValue)) * Job.HashAlgorithm.Multiplier;
// calculate the block difficulty
BlockDiffAdjusted = Job.Difficulty * Job.HashAlgorithm.Multiplier;
// check if block candicate
if (Job.Target >= HeaderValue)
{
IsBlockCandidate = true;
BlockHex = Serializers.SerializeBlock(Job, HeaderBuffer, CoinbaseBuffer, miner.Pool.Config.Coin.Options.IsProofOfStakeHybrid);
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
}
else
{
IsBlockCandidate = false;
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
// Check if share difficulty reaches miner difficulty.
var lowDifficulty = Difficulty / miner.Difficulty < 0.99; // share difficulty should be equal or more then miner's target difficulty.
if (!lowDifficulty) // if share difficulty is high enough to match miner's current difficulty.
{
return; // just accept the share.
}
if (Difficulty >= miner.PreviousDifficulty) // if the difficulty matches miner's previous difficulty before the last vardiff triggered difficulty change
{
return; // still accept the share.
}
// if the share difficulty can't match miner's current difficulty or previous difficulty
Error = ShareError.LowDifficultyShare; // then just reject the share with low difficult share error.
}
}
public Share(IStratumMiner miner, UInt64 jobId, IJob job, string extraNonce2, string nTimeString, string nonceString, UInt32[] cycle)
{
Miner = miner;
JobId = jobId;
Job = job;
Error = ShareError.None;
Cycle = cycle;
var submitTime = TimeHelpers.NowInUnixTimestamp(); // time we recieved the share from miner.
if (Job == null)
{
Error = ShareError.JobNotFound;
return;
}
// check size of miner supplied extraNonce2
if (extraNonce2.Length / 2 != ExtraNonce.ExpectedExtraNonce2Size)
{
Error = ShareError.IncorrectExtraNonce2Size;
return;
}
ExtraNonce2 = Convert.ToUInt32(extraNonce2, 16); // set extraNonce2 for the share.
// check size of miner supplied nTime.
if (nTimeString.Length != 8)
{
Error = ShareError.IncorrectNTimeSize;
return;
}
NTime = Convert.ToUInt32(nTimeString, 16); // read ntime for the share
// make sure NTime is within range.
if (NTime < job.BlockTemplate.CurTime || NTime > submitTime + 7200)
{
Error = ShareError.NTimeOutOfRange;
return;
}
// check size of miner supplied nonce.
if (nonceString.Length != 8)
{
Error = ShareError.IncorrectNonceSize;
return;
}
Nonce = Convert.ToUInt32(nonceString, 16); // nonce supplied by the miner for the share.
// set job supplied parameters.
Height = job.BlockTemplate.Height; // associated job's block height.
ExtraNonce1 = miner.ExtraNonce; // extra nonce1 assigned to miner.
// check for duplicate shares.
if (!Job.RegisterShare(this)) // try to register share with the job and see if it's duplicated or not.
{
Error = ShareError.DuplicateShare;
return;
}
// construct the coinbase.
CoinbaseBuffer = Serializers.SerializeCoinbase(Job, ExtraNonce1, ExtraNonce2);
CoinbaseHash = Coin.Coinbase.Utils.HashCoinbase(CoinbaseBuffer);
// create the merkle root.
MerkleRoot = Job.MerkleTree.WithFirst(CoinbaseHash).ReverseBuffer();
// create the block headers
HeaderBuffer = Serializers.SerializeHeader(Job, MerkleRoot, NTime, Nonce);
HeaderHash = Job.HashAlgorithm.Hash(HeaderBuffer);
HeaderValue = new BigInteger(HeaderHash);
BlockHash = HeaderBuffer.DoubleDigest().ReverseBuffer();
if (!checkCycle())
{
Error = ShareError.IncorrectCycle;
return;
}
var _logger = Log.ForContext <Share>();
using (var stream = new MemoryStream())
{
stream.WriteByte((byte)Cycle.Length);
foreach (var edge in Cycle)
{
stream.WriteValueU32(edge);
}
CycleBuffer = stream.ToArray();
}
CycleHash = Job.HashAlgorithm.Hash(CycleBuffer);
CycleValue = new BigInteger(CycleHash);
// calculate the share difficulty
Difficulty = ((double)new BigRational(AlgorithmManager.Diff1, CycleValue)) * Job.HashAlgorithm.Multiplier;
// calculate the block difficulty
BlockDiffAdjusted = Job.Difficulty * Job.HashAlgorithm.Multiplier;
// check if block candicate
if (Job.Target >= CycleValue)
{
if (Difficulty < 0)
{
IsBlockCandidate = false;
if (miner.Software == MinerSoftware.MeritMiner && miner.SoftwareVersion == new Version("0.1.0"))
{
// if we use merit-miner 0.1.0 diff can be negative
Error = ShareError.NegativeDifficultyShareOutdatedMiner;
}
else
{
Error = ShareError.NegativeDifficultyShare;
}
return;
}
IsBlockCandidate = true;
BlockHex = Serializers.SerializeBlock(Job, HeaderBuffer, CoinbaseBuffer, CycleBuffer, miner.Pool.Config.Coin.Options.IsProofOfStakeHybrid);
}
else
{
IsBlockCandidate = false;
// Check if share difficulty reaches miner difficulty.
var lowDifficulty = Difficulty / miner.Difficulty < 0.99; // share difficulty should be equal or more then miner's target difficulty.
if (!lowDifficulty) // if share difficulty is high enough to match miner's current difficulty.
{
return; // just accept the share.
}
if (miner.PreviousDifficulty > 0 && Difficulty >= miner.PreviousDifficulty) // if the difficulty matches miner's previous difficulty before the last vardiff triggered difficulty change
{
_logger.Debug("\tprevdiff lower; diff >= prevdiff: {0}::{1}", Difficulty, miner.PreviousDifficulty);
return; // still accept the share.
}
// if the share difficulty can't match miner's current difficulty or previous difficulty
Error = ShareError.LowDifficultyShare; // then just reject the share with low difficult share error.
}
}
public void UpdateDifficulty(IStratumMiner miner)
{
// with-in our current hybrid-storage-layer, we don't need to write difficulty to persistance layer.
return;
}
public void UpdateDifficulty(IStratumMiner miner)
{
// with-in our current hybrid-storage-layer, we don't need to write difficulty to persistance layer.
return;
}
