public async Task MinAsync_Success_Test()
{
var chain = await _chainService.GetChainAsync();
var hash = chain.BestChainHash;
var height = chain.BestChainHeight;
var blockHeader = await _minerService.CreateTemplateCacheAsync(hash, height, TimestampHelper.GetUtcNow(),
TimestampHelper.DurationFromMinutes(1));
var byteString = blockHeader.ToByteString();
var bytes = byteString.ToByteArray();
//Send Bytes to Client
#region Client Side
//Client side, you can search nonce and replace it
var nonce = BitConverter.GetBytes(long.MaxValue - 1);
var start = bytes.Find(nonce);
start.ShouldBeGreaterThan(0);
for (int i = 0; i < nonce.Length; i++)
{
bytes[start + i] = 9; //change nonce
}
bytes.Find(nonce).ShouldBe(-1);
var newHeader = BlockHeader.Parser.ParseFrom(ByteString.CopyFrom(bytes));
//Test mining method
newHeader.GetHash().ShouldBe(Hash.FromRawBytes(newHeader.ToByteArray()));
newHeader.GetHash().ShouldBe(Hash.FromRawBytes(bytes));
//Start mining
Random r = new Random();
while (Hash.FromRawBytes(bytes).Value[0] != 0)
{
//find first hash byte is 0
for (int i = 0; i < nonce.Length; i++)
{
bytes[start + i] = (byte)r.Next(); //change nonce, very slow, just for demo
}
}
#endregion
//Send bytes to Server
newHeader = BlockHeader.Parser.ParseFrom(ByteString.CopyFrom(bytes));
var newHeaderHash = newHeader.GetHash();
newHeaderHash.Value[0].ShouldBe((byte)0); // first byte should be zero
var block = await _minerService.ChangeTemplateCacheBlockHeaderAndClearCacheAsync(newHeader);
block.GetHash().ShouldBe(newHeader.GetHash()); // check new block's header
block.Header.Signature.ShouldBeEmpty(); // check signature
}
public async Task MinAsync_Success_Test()
{
var chain = await _chainService.GetChainAsync();
var hash = chain.BestChainHash;
var height = chain.BestChainHeight;
var block = await _minerService.MineAsync(hash, height, TimestampHelper.GetUtcNow(), TimestampHelper.DurationFromMinutes(1));
block.ShouldNotBeNull();
block.Header.Signature.ShouldNotBeNull();
}
