private JObject SendRawTransaction(IEnumerable <string> parameters, JObject response, string id)
{
var blockChain = _blockChainStore.GetBlockChain();
if (parameters == null || !parameters.Any())
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_INVALID_PARAMS, "The transaction is missing"));
}
var txPayload = parameters.First().FromHexString();
var allowHighFees = false;
if (parameters.Count() >= 2)
{
if (bool.TryParse(parameters.ElementAt(1), out allowHighFees))
{
}
}
var kvp = BaseTransaction.Deserialize(txPayload);
try
{
var tx = kvp.Key;
_transactionValidator.Check(tx);
MemoryPool.Instance().AddTransaction(tx, blockChain.GetCurrentBlockHeight());
P2PConnectorEventStore.Instance().Broadcast(tx);
response["result"] = tx.GetTxId().ToHexString();
return(response);
}
catch (ValidationException ex)
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_VERIFY_ERROR, ex.Message));
}
}
private void AddTransaction(BaseTransaction transaction)
{
if (transaction == null)
{
return;
}
var instance = MemoryPool.Instance();
var transactions = instance.GetTransactions();
if (transactions.Any(t => t.Transaction.GetTxId().SequenceEqual(transaction.GetTxId())))
{
return;
}
_transactionValidator.Check(transaction);
instance.AddTransaction(transaction, _blockChainStore.GetBlockChain().GetCurrentBlockHeight());
}
public void Check(Block block)
{
if (block == null)
{
throw new ArgumentNullException(nameof(block));
}
var merkleRoot = block.BlockHeader.MerkleRoot; // Check MERKLE-ROOT.
var calculatedMerkleRoot = block.GetMerkleRoot();
if (!merkleRoot.SequenceEqual(calculatedMerkleRoot))
{
throw new ValidationException(ErrorCodes.InvalidMerkleRoot);
}
var blockChain = _blockChainStore.GetBlockChain(); // Check PREVIOUS BLOCK.
var currentBlock = blockChain.GetCurrentBlock();
if (!currentBlock.GetHashHeader().SequenceEqual(block.BlockHeader.PreviousBlockHeader))
{
throw new ValidationException(ErrorCodes.InvalidPreviousHashHeader);
}
var hash = currentBlock.GetHashHeader();
var currentNBits = Constants.DEFAULT_NBITS; // TODO : CALCULATE THE DEFAULT NBITS : https://bitcoin.org/en/developer-guide#proof-of-work
var target = TargetHelper.GetTarget(currentNBits);
if (!TargetHelper.IsValid(hash, target))
{
throw new ValidationException(ErrorCodes.NotEnoughDifficult);
}
foreach (var transaction in block.Transactions) // Check ALL TRANSACTIONS.
{
_transactionValidator.Check(transaction);
}
}
