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 static async Task <UInt64> SumAddressInputs(ITransaction tx, PaymentAddress address, IChain chain, bool useTestnetRules)
{
UInt64 inputSum = 0;
foreach (Input input in tx.Inputs)
{
if (input.PreviousOutput == null)
{
continue;
}
using (var getTxResult = await chain.FetchTransactionAsync(input.PreviousOutput.Hash, false))
{
if (getTxResult.ErrorCode == ErrorCode.NotFound)
{
continue;
}
CheckBitprimApiErrorCode(getTxResult.ErrorCode, "FetchTransactionAsync(" + Binary.ByteArrayToHexString(input.PreviousOutput.Hash) + ") failed, check error log");
Output referencedOutput = getTxResult.Result.Tx.Outputs[input.PreviousOutput.Index];
if (referencedOutput.PaymentAddress(useTestnetRules).Encoded == address.Encoded)
{
inputSum += referencedOutput.Value;
}
}
}
return(inputSum);
}
private async Task <List <Utxo> > GetUtxo(string paymentAddress, bool returnLegacyAddresses)
{
Utils.CheckIfChainIsFresh(chain_, config_.AcceptStaleRequests);
using (var address = new PaymentAddress(paymentAddress))
using (var getAddressHistoryResult = await chain_.FetchHistoryAsync(address, UInt64.MaxValue, 0))
{
Utils.CheckBitprimApiErrorCode(getAddressHistoryResult.ErrorCode, "FetchHistoryAsync(" + paymentAddress + ") failed, check error log.");
var history = getAddressHistoryResult.Result;
var utxo = new List <Utxo>();
var getLastHeightResult = await chain_.FetchLastHeightAsync();
Utils.CheckBitprimApiErrorCode(getLastHeightResult.ErrorCode, "FetchLastHeightAsync failed, check error log");
var topHeight = getLastHeightResult.Result;
foreach (IHistoryCompact compact in history)
{
if (compact.PointKind == PointKind.Output)
{
using (var outPoint = new OutputPoint(compact.Point.Hash, compact.Point.Index))
{
var getSpendResult = await chain_.FetchSpendAsync(outPoint);
if (getSpendResult.ErrorCode == ErrorCode.NotFound) //Unspent = it's an utxo
{
//Get the tx to get the script
using (var getTxResult = await chain_.FetchTransactionAsync(compact.Point.Hash, true))
{
Utils.CheckBitprimApiErrorCode(getTxResult.ErrorCode, "FetchTransactionAsync (" + Binary.ByteArrayToHexString(outPoint.Hash) + ") failed, check error log");
utxo.Add(new Utxo(address, compact.Point, getTxResult.ErrorCode, getTxResult.Result.Tx, compact, topHeight, returnLegacyAddresses));
}
}
}
}
}
utxo.AddRange(GetUnconfirmedUtxo(address));
return(utxo);
}
}
public async Task <ActionResult> GetRawTransactionByHash(string hash)
{
if (!Validations.IsValidHash(hash))
{
return(BadRequest(hash + " is not a valid transaction hash"));
}
Utils.CheckIfChainIsFresh(chain_, config_.AcceptStaleRequests);
var binaryHash = Binary.HexStringToByteArray(hash);
using (var getTxResult = await chain_.FetchTransactionAsync(binaryHash, false))
{
Utils.CheckBitprimApiErrorCode(getTxResult.ErrorCode, "FetchTransactionAsync(" + hash + ") failed, check error log");
var tx = getTxResult.Result.Tx;
return(Json(new GetRawTransactionResponse
{
rawtx = Binary.ByteArrayToHexString(tx.ToData(false).Reverse().ToArray())
}));
}
}
public ITransaction GetTransactionByHash(string txHash)
{
return(chain_.FetchTransactionAsync(Binary.HexStringToByteArray(txHash), true).Result.Result.Tx);
}
