public async Task <ActionResult> GetBlockByHash(string hash, int noTxList = 1)
{
if (!Validations.IsValidHash(hash))
{
return(BadRequest(hash + " is not a valid block hash"));
}
Utils.CheckIfChainIsFresh(chain_, config_.AcceptStaleRequests);
string key = "block" + noTxList + hash;
if (memoryCache_.TryGetValue(key, out JsonResult cachedBlockJson))
{
return(cachedBlockJson);
}
;
var binaryHash = Binary.HexStringToByteArray(hash);
using (DisposableApiCallResult <GetBlockHeaderByHashTxSizeResult> getBlockResult = await chain_.FetchBlockHeaderByHashTxSizesAsync(binaryHash))
{
Utils.CheckBitprimApiErrorCode(getBlockResult.ErrorCode, "FetchBlockHeaderByHashTxSizesAsync(" + hash + ") failed, check error log");
var getLastHeightResult = await chain_.FetchLastHeightAsync();
Utils.CheckBitprimApiErrorCode(getLastHeightResult.ErrorCode, "FetchLastHeightAsync() failed, check error log");
var blockHeight = getBlockResult.Result.Header.BlockHeight;
ApiCallResult <GetBlockHashTimestampResult> getNextBlockResult = null;
if (blockHeight != getLastHeightResult.Result)
{
getNextBlockResult = await chain_.FetchBlockByHeightHashTimestampAsync(blockHeight + 1);
Utils.CheckBitprimApiErrorCode(getNextBlockResult.ErrorCode, "FetchBlockByHeightHashTimestampAsync(" + blockHeight + 1 + ") failed, check error log");
}
decimal blockReward;
PoolInfo poolInfo;
using (DisposableApiCallResult <GetTxDataResult> coinbase = await chain_.FetchTransactionAsync(getBlockResult.Result.TransactionHashes[0], true))
{
Utils.CheckBitprimApiErrorCode(coinbase.ErrorCode, "FetchTransactionAsync(" + getBlockResult.Result.TransactionHashes[0] + ") failed, check error log");
blockReward = Utils.SatoshisToCoinUnits(coinbase.Result.Tx.TotalOutputValue);
poolInfo = poolsInfo_.GetPoolInfo(coinbase.Result.Tx);
}
JsonResult blockJson = Json(BlockToJSON
(
getBlockResult.Result.Header.BlockData, blockHeight, getBlockResult.Result.TransactionHashes,
blockReward, getLastHeightResult.Result, getNextBlockResult?.Result.BlockHash,
getBlockResult.Result.SerializedBlockSize, poolInfo, noTxList == 0)
);
memoryCache_.Set(key, blockJson, new MemoryCacheEntryOptions {
Size = Constants.Cache.BLOCK_CACHE_ENTRY_SIZE
});
return(blockJson);
}
}
