public virtual void Init(ExchangeCoinGetWork work, string jobId,
PoolConfig poolConfig, ClusterConfig clusterConfig, IMasterClock clock,
IDestination poolAddressDestination, BitcoinNetworkType networkType,
double shareMultiplier, decimal blockrewardMultiplier, IHashAlgorithm headerHasher)
{
Contract.RequiresNonNull(work, nameof(work));
Contract.RequiresNonNull(poolConfig, nameof(poolConfig));
Contract.RequiresNonNull(clusterConfig, nameof(clusterConfig));
Contract.RequiresNonNull(clock, nameof(clock));
Contract.RequiresNonNull(poolAddressDestination, nameof(poolAddressDestination));
Contract.RequiresNonNull(headerHasher, nameof(headerHasher));
Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(jobId), $"{nameof(jobId)} must not be empty");
this.clock = clock;
if (ExchangeCoinConstants.Chains.TryGetValue(poolConfig.Coin.Type, out var chain))
{
chain.TryGetValue(networkType, out chainConfig);
}
Work = work;
BlockHeader = new ExchangeCoinBlockHeader(work.Data);
JobId = jobId;
this.shareMultiplier = shareMultiplier;
this.headerHasher = headerHasher;
this.equihash = chainConfig.Solver();
blockTarget = new Target(BlockHeader.Bits);
Difficulty = chainConfig.Diff1.Divide(blockTarget.ToBigInteger()).LongValue;
BuildCoinbase();
jobParams = new object[]
{
JobId,
BlockHeader.PrevBlock.ToHexString(),
coinbaseInitialHex,
coinbaseFinalHex,
"",
BlockHeader.Version.ToStringHex8().HexToByteArray().ReverseArray().ToHexString(),
BlockHeader.Bits.ReverseByteOrder().ToStringHex8(),
BlockHeader.Timestamp.ReverseByteOrder().ToStringHex8(),
false
};
}
public override void Init(ZCashBlockTemplate blockTemplate, string jobId,
PoolConfig poolConfig, ClusterConfig clusterConfig, IMasterClock clock,
IDestination poolAddressDestination, BitcoinNetworkType networkType,
bool isPoS, double shareMultiplier, decimal?blockrewardMultiplier,
IHashAlgorithm coinbaseHasher, IHashAlgorithm headerHasher, IHashAlgorithm blockHasher)
{
Contract.RequiresNonNull(blockTemplate, nameof(blockTemplate));
Contract.RequiresNonNull(poolConfig, nameof(poolConfig));
Contract.RequiresNonNull(clusterConfig, nameof(clusterConfig));
Contract.RequiresNonNull(clock, nameof(clock));
Contract.RequiresNonNull(poolAddressDestination, nameof(poolAddressDestination));
Contract.RequiresNonNull(coinbaseHasher, nameof(coinbaseHasher));
Contract.RequiresNonNull(headerHasher, nameof(headerHasher));
Contract.RequiresNonNull(blockHasher, nameof(blockHasher));
Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(jobId), $"{nameof(jobId)} must not be empty");
this.poolConfig = poolConfig;
this.clusterConfig = clusterConfig;
this.clock = clock;
this.poolAddressDestination = poolAddressDestination;
this.networkType = networkType;
if (ZCashConstants.Chains.TryGetValue(poolConfig.Coin.Type, out var chain))
{
chain.TryGetValue(networkType, out chainConfig);
}
BlockTemplate = blockTemplate;
JobId = jobId;
Difficulty = (double)new BigRational(chainConfig.Diff1b, BlockTemplate.Target.HexToByteArray().ReverseArray().AsSpan().ToBigInteger());
txExpiryHeight = blockTemplate.Height + 100;
// ZCash Sapling & Overwinter support
isSaplingActive = chainConfig.SaplingActivationHeight.HasValue &&
chainConfig.SaplingTxVersion.HasValue &&
chainConfig.SaplingTxVersionGroupId.HasValue &&
chainConfig.SaplingActivationHeight.Value > 0 &&
blockTemplate.Height >= chainConfig.SaplingActivationHeight.Value;
isOverwinterActive = isSaplingActive ||
chainConfig.OverwinterTxVersion.HasValue &&
chainConfig.OverwinterTxVersionGroupId.HasValue &&
chainConfig.OverwinterActivationHeight.HasValue &&
chainConfig.OverwinterActivationHeight.Value > 0 &&
blockTemplate.Height >= chainConfig.OverwinterActivationHeight.Value;
if (isSaplingActive)
{
txVersion = chainConfig.SaplingTxVersion.Value;
txVersionGroupId = chainConfig.SaplingTxVersionGroupId.Value;
}
else if (isOverwinterActive)
{
txVersion = chainConfig.OverwinterTxVersion.Value;
txVersionGroupId = chainConfig.OverwinterTxVersionGroupId.Value;
}
// Misc
this.isPoS = isPoS;
this.shareMultiplier = shareMultiplier;
this.headerHasher = headerHasher;
this.blockHasher = blockHasher;
this.equihash = chainConfig.Solver();
if (!string.IsNullOrEmpty(BlockTemplate.Target))
{
blockTargetValue = new uint256(BlockTemplate.Target);
}
else
{
var tmp = new Target(BlockTemplate.Bits.HexToByteArray());
blockTargetValue = tmp.ToUInt256();
}
previousBlockHashReversedHex = BlockTemplate.PreviousBlockhash
.HexToByteArray()
.ReverseArray()
.ToHexString();
blockReward = blockTemplate.Subsidy.Miner * BitcoinConstants.SatoshisPerBitcoin;
if (chainConfig?.PayFoundersReward == true)
{
var founders = blockTemplate.Subsidy.Founders ?? blockTemplate.Subsidy.Community;
if (!founders.HasValue)
{
throw new Exception("Error, founders reward missing for block template");
}
blockReward = (blockTemplate.Subsidy.Miner + founders.Value) * BitcoinConstants.SatoshisPerBitcoin;
}
rewardFees = blockTemplate.Transactions.Sum(x => x.Fee);
BuildCoinbase();
// build tx hashes
var txHashes = new List <uint256> {
new uint256(coinbaseInitialHash)
};
txHashes.AddRange(BlockTemplate.Transactions.Select(tx => new uint256(tx.Hash.HexToByteArray().ReverseArray())));
// build merkle root
merkleRoot = MerkleNode.GetRoot(txHashes).Hash.ToBytes().ReverseArray();
merkleRootReversed = merkleRoot.ReverseArray();
merkleRootReversedHex = merkleRootReversed.ToHexString();
// misc
var hashReserved = isSaplingActive && !string.IsNullOrEmpty(blockTemplate.FinalSaplingRootHash) ? blockTemplate.FinalSaplingRootHash.HexToByteArray().ReverseArray().ToHexString() : sha256Empty.ToHexString();
jobParams = new object[]
{
JobId,
BlockTemplate.Version.ReverseByteOrder().ToStringHex8(),
previousBlockHashReversedHex,
merkleRootReversedHex,
hashReserved,
BlockTemplate.CurTime.ReverseByteOrder().ToStringHex8(),
BlockTemplate.Bits.HexToByteArray().ReverseArray().ToHexString(),
false
};
}
