private static async Task <HashSet <string> > GetAddressFromInput(Executor executor, ITransaction tx)
{
var ret = new HashSet <string>();
if (tx.IsCoinbase)
{
return(ret);
}
foreach (Input input in tx.Inputs)
{
OutputPoint previousOutput = input.PreviousOutput;
using (DisposableApiCallResult <GetTxDataResult> getTxResult = await executor.Chain.FetchTransactionAsync(previousOutput.Hash, false))
{
Utils.CheckBitprimApiErrorCode(getTxResult.ErrorCode, "FetchTransactionAsync(" + Binary.ByteArrayToHexString(previousOutput.Hash) + ") failed, check errog log");
Output output = getTxResult.Result.Tx.Outputs[previousOutput.Index];
PaymentAddress outputAddress = output.PaymentAddress(executor.UseTestnetRules);
if (outputAddress.IsValid)
{
ret.Add(outputAddress.Encoded);
}
}
}
return(ret);
}
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);
}
}
private async Task <BlockSummary> GetBlockSummary(IHeader header, UInt64 height, UInt64 topHeight)
{
var hashStr = Binary.ByteArrayToHexString(header.Hash);
var key = "blockSummary" + hashStr;
if (memoryCache_.TryGetValue(key, out BlockSummary ret))
{
return(ret);
}
using (var blockHeaderResult = await chain_.FetchBlockHeaderByHashTxSizesAsync(header.Hash))
{
Utils.CheckBitprimApiErrorCode(blockHeaderResult.ErrorCode,
"FetchBlockHeaderByHashTxSizesAsync(" + header.Hash + ") failed, check error log");
PoolInfo poolInfo;
using (DisposableApiCallResult <GetTxDataResult> coinbase = await chain_.FetchTransactionAsync(blockHeaderResult.Result.TransactionHashes[0], true))
{
Utils.CheckBitprimApiErrorCode(coinbase.ErrorCode, "FetchTransactionAsync(" + blockHeaderResult.Result.TransactionHashes[0] + ") failed, check error log");
poolInfo = poolsInfo_.GetPoolInfo(coinbase.Result.Tx);
}
var blockSummary = new BlockSummary
{
height = height,
size = blockHeaderResult.Result.SerializedBlockSize,
hash = Binary.ByteArrayToHexString(header.Hash),
time = header.Timestamp,
txlength = blockHeaderResult.Result.TransactionHashes.Count,
poolInfo = new DTOs.PoolInfo {
poolName = poolInfo.Name, url = poolInfo.Url
}
};
var confirmations = topHeight - height + 1;
if (confirmations >= Constants.Cache.BLOCK_CACHE_CONFIRMATIONS)
{
memoryCache_.Set(key, blockSummary, new MemoryCacheEntryOptions {
Size = Constants.Cache.BLOCK_CACHE_SUMMARY_SIZE
});
}
return(blockSummary);
}
}
