public int GetBlocksCount(string chain = null)
{
var context = Explorer.AppServices.GetService <ExplorerDbContext>();
var blockQuery = new BlockQueries(context);
return(blockQuery.QueryBlocksCount(chain));
}
public BlockQueryServiceTest()
{
//Mock
_moqBlockQueries = new Mock <IBlockQueries>();
// Arrange
_sut = new BlockQueries(InitialData.context);
}
public List <BlockListViewModel> GetBlocks(int currentPage, int pageSize = AppSettings.PageSize, string chain = null)
{
var blockQuery = new BlockQueries(_context);
var query = blockQuery.QueryBlocks(chain).Skip((currentPage - 1) * pageSize).Take(pageSize);
return(query.AsEnumerable()
.Select(p => BlockListViewModel.FromBlock(p, blockQuery.QueryBlockTxsCount(p.Hash)))
.ToList());
}
public string SearchCommand(string input)
{
try
{
if (Address.IsValidAddress(input)) //maybe is address
{
return($"address/{input}");
}
//token
var token = new TokenQueries(_context).QueryToken(input.ToUpperInvariant());
if (token != null)// token
{
return($"token/{token.Symbol}");
}
//app
var app = new AppQueries(_context).QueryApp(input);
if (app != null)
{
return($"app/{app.Id}");
}
//chain
var chain = new ChainQueries(_context).QueryChain(input);
if (chain != null)
{
return($"chain/{chain.Address}");
}
//hash
if (Hash.TryParse(input, out var hash))
{
var tx = new TransactionQueries(_context).QueryTransaction(input);
if (tx != null)
{
return($"tx/{tx.Hash}");
}
var block = new BlockQueries(_context).QueryBlock(input);
if (block != null)
{
return($"block/{block.Hash}");
}
}
return(null);
}
catch (Exception e)
{
Console.WriteLine(e);
return("/home");
}
}
public HomeViewModel GetLastestInfo()
{
var blockQuery = new BlockQueries(_context);
var txsQuery = new TransactionQueries(_context);
var chainQuery = new ChainQueries(_context);
var blocks = blockQuery.QueryLastBlocks(14);
var transactions = txsQuery.QueryLastTransactions(15);
var blocksVm = blocks.Select(BlockHomeViewModel.FromBlock).ToList();
var txsVm = transactions.Select(TransactionHomeViewModel.FromTransaction).ToList();
// tx history chart calculation
var repTxs = txsQuery.QueryLastTransactions(1000, null);
var chart = new Dictionary <string, uint>();
foreach (var transaction in repTxs)
{
var block = transaction.Block;
DateTime chartTime = new Timestamp(block.Timestamp);
var chartKey = $"{chartTime.Day}/{chartTime.Month}";
if (chart.ContainsKey(chartKey))
{
chart[chartKey] += 200;
}
else
{
chart[chartKey] = 1;
}
}
int totalChains = chainQuery.QueryChainCount;
uint height = chainQuery.QueryChain("main").Height;
int totalTransactions = txsQuery.QueryTotalChainTransactionCount();
var vm = new HomeViewModel
{
Blocks = blocksVm,
Transactions = txsVm,
Chart = chart,
TotalTransactions = totalTransactions,
TotalChains = totalChains,
BlockHeight = height,
};
return(vm);
}
public BlockViewModel GetBlock(string input)
{
var blockQuery = new BlockQueries(_context);
var block = int.TryParse(input, out var height)
? blockQuery.QueryBlock(height, "main")
: blockQuery.QueryBlock(input);//todo height only works with main
if (block != null)
{
return(BlockViewModel.FromBlock(block));
}
return(null);
}
public Task <IEnumerable <BlockDetail> > GetEpochBlocks(CancellationToken cancellationToken, uint epochNumber)
{
return(BlockQueries.GetEpochBlocks(this.GetConnection(), cancellationToken, epochNumber));
}
public Task <Block> GetLatestBlock(CancellationToken cancellationToken)
{
return(BlockQueries.GetLatestBlock(this.GetConnection(), cancellationToken));
}
public Task <Block> GetLatestBlock(CancellationToken cancellationToken, uint epochNumber)
{
return(BlockQueries.GetLatestBlockForEpoch(this.GetConnection(), cancellationToken, epochNumber));
}
