public static IActionResult Run(HttpRequestMessage req, CloudTable chainTable, string network, int height, TraceWriter log)
{
if (!ValidNetwork(network))
{
return(new NotFoundObjectResult(Resources.NetworkNotFound));
}
var rowKey = RowKeyHelper.HeightToString(height);
var filter = TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition(PartitionKey, QueryComparisons.Equal, network.ToLowerInvariant()),
TableOperators.And,
TableQuery.GenerateFilterCondition(RowKey, QueryComparisons.Equal, rowKey));
var tableQuery = new TableQuery()
{
FilterString = filter,
TakeCount = 1
};
var results = chainTable.ExecuteQuery(tableQuery);
var chainHeader = results.Select(e => new ChainHeaderModel(e)).FirstOrDefault();
if (chainHeader == null)
{
return(new NotFoundObjectResult(Resources.BlockNotFound));
}
var block = chainHeader.BlockHeaders.Last();
return(new JsonPrettyResult(new BlockHeaderModel(block)));
}
public static async Task <IActionResult> Run(HttpRequestMessage req, CloudTable summaryTable, string network, int take, int skip, TraceWriter log)
{
if (!ValidNetwork(network))
{
return(new NotFoundObjectResult(Resources.NetworkNotFound));
}
var tip = GetTableHeight(summaryTable);
if (tip == null)
{
return(new NotFoundResult());
}
var fromOffset = Math.Max(tip.Height - skip, 0);
var toOffset = Math.Max(fromOffset - (take - 1), 0);
var from = RowKeyHelper.HeightToString(fromOffset);
var to = RowKeyHelper.HeightToString(toOffset);
var partitionFilter = TableQuery.GenerateFilterCondition(PartitionKey, QueryComparisons.Equal, network.ToLowerInvariant());
var pageFilter = TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition(RowKey, QueryComparisons.GreaterThanOrEqual, from), TableOperators.And,
TableQuery.GenerateFilterCondition(RowKey, QueryComparisons.LessThanOrEqual, to));
var pageQuery = new TableQuery()
{
FilterString = TableQuery.CombineFilters(partitionFilter, TableOperators.And, pageFilter),
TakeCount = take
};
var pageResult = await summaryTable.ExecuteQueryAsync(pageQuery);
var results = pageResult.Select(e => new BlockSummaryModel(e))
.ToList();
return(new JsonPrettyResult(results));
}
