private void ValidateBlockHash(Block block, int nonce, string hash)
{
if (!ProofOfWork.IsProofValid(block.Difficulty, block.Index, block.BlockDataHash, block.PreviousBlockHash, block.CreatedDate, nonce, hash))
{
throw new Exception("Invalid proof of work");
}
}
static void Main(string[] args)
{
IProofOfWork proofOfWork = new ProofOfWork();
ICryptoUtil cryptoUtil = new CryptoUtil();
string minerAddress = defaultMinerAddress;
string nodeAddress = defaultNodeAddress;
if (args.Length > 0)
{
if (cryptoUtil.IsAddressValid(args[0]))
{
minerAddress = args[0];
}
else
{
Output.WriteError($"Prvided address is invalid: {args[0]}. Fallback to default address: {defaultMinerAddress}");
}
}
if (args.Length > 1)
{
nodeAddress = args[1];
}
Console.WriteLine($"Statring mining for address {minerAddress}");
Console.WriteLine($"Statring mining for node: {nodeAddress}");
Stopwatch sw = Stopwatch.StartNew();
BlockInput input = Get <BlockInput>(nodeAddress + "/api/mining/getBockForMine/" + minerAddress);
while (true)
{
sw.Restart();
Boolean blockFound = false;
int nonce = 0;
string precomputedData = proofOfWork.PrecomputeData(input.BlockIndex, input.BlockHash, input.PrevBlockHash, input.Timestamp);
Console.WriteLine($"New job started at : " + DateTime.Now + " for block index " + input.BlockIndex);
string data;
string blockHash;
while (!blockFound && nonce < int.MaxValue)
{
blockHash = proofOfWork.Compute(precomputedData, nonce);
if (proofOfWork.IsProofValid(blockHash, input.Difficulty))
{
var blockFoundResult = MakePost(nodeAddress + "/api/mining/noncefound", new BlockMinedRequest {
MinerAddress = minerAddress, Nonce = nonce, Hash = blockHash
});
if (blockFoundResult)
{
Output.WriteSuccess($"Block mined. Nonce: {nonce} , Hash: {blockHash}");
}
else
{
Output.WriteError("Block mined, but not accepted :(");
}
blockFound = true;
}
if (blockFound || (nonce % 1000 == 0 && sw.Elapsed >= timeLimit))
{
var requestedBlockToMine = Get <BlockInput>(nodeAddress + "/api/mining/getBockForMine/" + minerAddress);
if (blockFound || requestedBlockToMine.BlockHash != input.BlockHash || requestedBlockToMine.BlockIndex != input.BlockIndex)
{
input = requestedBlockToMine;
break;
}
sw.Restart();
}
nonce++;
}
}
}