public static void CanCalculatePowPosCorrectly()
{
var store = new BlockStore(TestDataLocations.BlockFolderLocation, Network.Main);
var chain = store.GetChain();
var stakeChain = new MemoryStakeChain(Network.Main);
var indexStore = new IndexedBlockStore(new InMemoryNoSqlRepository(), store);
var reindexed = indexStore.ReIndex();
Assert.Equal(reindexed, 103952);
foreach (var chainedBlock in chain.EnumerateAfter(chain.Genesis))
{
var block = indexStore.Get(chainedBlock.HashBlock);
var blockstake = new BlockStake(block);
stakeChain.Set(chainedBlock.HashBlock, blockstake);
Assert.True(stakeChain.CheckPowPosAndTarget(chainedBlock, blockstake, Network.Main));
}
}
public void CanCalculateDifficulty()
{
var histories = File.ReadAllLines(TestDataLocations.DataFolder(@"targethistory.csv"));
var store = new BlockStore(TestDataLocations.BlockFolderLocation, Network.Main);
// todo: load the chain with a header only file
ConcurrentChain chain = store.GetChain();
var stakeChain = new MemoryStakeChain(Network.Main);
var indexStore = new IndexedBlockStore(new InMemoryNoSqlRepository(), store);
var reindexed = indexStore.ReIndex();
Assert.Equal(reindexed, 103952);
var lastIndex = 0;
foreach (var history in histories)
{
var height = int.Parse(history.Split(',')[0]);
var expectedTarget = new Target(new BigInteger(history.Split(',')[1].Trim(), 10));
var chainedBlock = chain.GetBlock(height);
for (int i = height; i > lastIndex; i--)
{
var g = chain.GetBlock(i);
var block = indexStore.Get(g.HashBlock);
stakeChain.Set(g.HashBlock, new BlockStake(block));
}
lastIndex = height;
Assert.Equal(expectedTarget, chainedBlock.Header.Bits);
var target = stakeChain.GetWorkRequired(chainedBlock, stakeChain.Get(chainedBlock.HashBlock), Network.Main.Consensus);
//var target = chain.GetWorkRequired(Network.Main, height);
Assert.Equal(expectedTarget, target);
}
}
public void CheckBlockProofOfStake()
{
var totalblocks = 5000; // fill only a small portion so test wont be too long
var mainStore = new BlockStore(TestDataLocations.BlockFolderLocation, Network.StratisMain);
// create the stores
BlockStore store = CreateBlockStore();
var index = 0;
var blockStore = new NoSqlBlockRepository();
foreach (StoredBlock storedBlock in mainStore.Enumerate(false).Take(totalblocks))
{
store.Append(storedBlock.Item);
blockStore.PutAsync(storedBlock.Item);
index++;
}
// build the chain
ConcurrentChain chain = store.GetChain();
// fill the transaction store
var trxStore = new NoSqlTransactionRepository();
var mapStore = new BlockTransactionMapStore();
foreach (ChainedBlock chainedBlock in chain.ToEnumerable(false).Take(totalblocks))
{
Block block = blockStore.GetBlock(chainedBlock.HashBlock);
foreach (Transaction blockTransaction in block.Transactions)
{
trxStore.Put(blockTransaction);
mapStore.PutAsync(blockTransaction.GetHash(), block.GetHash());
}
}
RPCClient client = null;
if (!pos_RPCClientTests.noClient)
{
client = new RPCClient(new NetworkCredential("rpcuser", "rpcpassword"),
new Uri("http://127.0.0.1:" + Network.StratisMain.RPCPort), Network.StratisMain);
}
var stakeChain = new MemoryStakeChain(Network.StratisMain);
// validate the stake trasnaction
foreach (ChainedBlock item in chain.ToEnumerable(false).Take(totalblocks).ToList())
{
Block block = blockStore.GetBlock(item.HashBlock);
BlockStake blockStake;
Assert.True(BlockValidator.CheckAndComputeStake(blockStore, trxStore, mapStore, stakeChain, chain, item, block, out blockStake));
stakeChain.Set(item.HashBlock, blockStake);
if (item.Height == 1125)
{
var g = block.ToHex();
}
if (client != null)
{
RPCBlock fetched = client.GetRPCBlockAsync(item.HashBlock).Result;
Assert.Equal(uint256.Parse(fetched.modifierv2), blockStake.StakeModifierV2);
Assert.Equal(uint256.Parse(fetched.proofhash), blockStake.HashProof);
}
}
}