public string GetRawTransaction(string transactionId)
{
// Try to find the trx in disk
SyncRawTransaction rawtrx = TransactionGetByHash(transactionId);
if (rawtrx != null)
{
return(Encoders.Hex.EncodeData(rawtrx.RawTransaction));
}
IBlockchainClient client = clientFactory.Create(syncConnection);
Client.Types.DecodedRawTransaction res = client.GetRawTransactionAsync(transactionId, 0).Result;
if (res.Hex != null)
{
return(res.Hex);
}
return(null);
}
public SyncTransactionItems TransactionItemsGet(string transactionId)
{
NBitcoin.Transaction transaction;
// Try to find the trx in disk
SyncRawTransaction rawtrx = TransactionGetByHash(transactionId);
if (rawtrx == null)
{
BitcoinClient client = CryptoClientFactory.Create(syncConnection.ServerDomain, syncConnection.RpcAccessPort, syncConnection.User, syncConnection.Password, syncConnection.Secure);
Client.Types.DecodedRawTransaction res = client.GetRawTransactionAsync(transactionId, 0).Result;
if (res.Hex == null)
{
return(null);
}
transaction = syncConnection.Network.Consensus.ConsensusFactory.CreateTransaction(res.Hex);
transaction.PrecomputeHash(false, true);
}
else
{
transaction = syncConnection.Network.Consensus.ConsensusFactory.CreateTransaction(rawtrx.RawTransaction);
transaction.PrecomputeHash(false, true);
}
var ret = new SyncTransactionItems
{
RBF = transaction.RBF,
LockTime = transaction.LockTime.ToString(),
Version = transaction.Version,
IsCoinbase = transaction.IsCoinBase,
IsCoinstake = syncConnection.Network.Consensus.IsProofOfStake && transaction.IsCoinStake,
Inputs = transaction.Inputs.Select(v => new SyncTransactionItemInput
{
PreviousTransactionHash = v.PrevOut.Hash.ToString(),
PreviousIndex = (int)v.PrevOut.N,
WitScript = v.WitScript.ToScript().ToHex(),
ScriptSig = v.ScriptSig.ToHex(),
SequenceLock = v.Sequence.ToString(),
}).ToList(),
Outputs = transaction.Outputs.Select((output, index) => new SyncTransactionItemOutput
{
Address = ScriptToAddressParser.GetAddress(syncConnection.Network, output.ScriptPubKey)?.FirstOrDefault(),
Index = index,
Value = output.Value,
OutputType = StandardScripts.GetTemplateFromScriptPubKey(output.ScriptPubKey)?.Type.ToString(),
ScriptPubKey = output.ScriptPubKey.ToHex()
}).ToList()
};
// try to fetch spent outputs
foreach (SyncTransactionItemOutput output in ret.Outputs)
{
output.SpentInTransaction = GetSpendingTransaction(transactionId, output.Index);
}
return(ret);
}
public SyncTransactionItems TransactionItemsGet(string transactionId, Transaction transaction = null)
{
if (transaction == null)
{
// Try to find the trx in disk
SyncRawTransaction rawtrx = TransactionGetByHash(transactionId);
if (rawtrx == null)
{
var client = clientFactory.Create(syncConnection);
Client.Types.DecodedRawTransaction res = client.GetRawTransactionAsync(transactionId, 0).Result;
if (res.Hex == null)
{
return(null);
}
transaction = syncConnection.Network.Consensus.ConsensusFactory.CreateTransaction(res.Hex);
transaction.PrecomputeHash(false, true);
}
else
{
transaction = syncConnection.Network.Consensus.ConsensusFactory.CreateTransaction(rawtrx.RawTransaction);
transaction.PrecomputeHash(false, true);
}
}
bool hasWitness = transaction.HasWitness;
int witnessScaleFactor = syncConnection.Network.Consensus.Options?.WitnessScaleFactor ?? 4;
int size = NBitcoin.BitcoinSerializableExtensions.GetSerializedSize(transaction, syncConnection.Network.Consensus.ConsensusFactory);
int virtualSize = hasWitness ? transaction.GetVirtualSize(witnessScaleFactor) : size;
int weight = virtualSize * witnessScaleFactor - (witnessScaleFactor - 1);
var ret = new SyncTransactionItems
{
RBF = transaction.RBF,
LockTime = transaction.LockTime.ToString(),
Version = transaction.Version,
HasWitness = hasWitness,
Size = size,
VirtualSize = virtualSize,
Weight = weight,
IsCoinbase = transaction.IsCoinBase,
IsCoinstake = syncConnection.Network.Consensus.IsProofOfStake && transaction.IsCoinStake,
Inputs = transaction.Inputs.Select(v => new SyncTransactionItemInput
{
PreviousTransactionHash = v.PrevOut.Hash.ToString(),
PreviousIndex = (int)v.PrevOut.N,
WitScript = v.WitScript.ToScript().ToHex(),
ScriptSig = v.ScriptSig.ToHex(),
InputAddress = scriptInterpeter.GetSignerAddress(syncConnection.Network, v.ScriptSig),
SequenceLock = v.Sequence.ToString(),
}).ToList(),
Outputs = transaction.Outputs.Select((output, index) => new SyncTransactionItemOutput
{
Address = scriptInterpeter.InterpretScript(syncConnection.Network, output.ScriptPubKey)?.Addresses?.FirstOrDefault(),
Index = index,
Value = output.Value,
OutputType = scriptInterpeter.InterpretScript(syncConnection.Network, output.ScriptPubKey)?.ScriptType, // StandardScripts.GetTemplateFromScriptPubKey(output.ScriptPubKey)?.Type.ToString(),
ScriptPubKey = output.ScriptPubKey.ToHex()
}).ToList()
};
foreach (SyncTransactionItemInput input in ret.Inputs)
{
OutputTable outputTable = GetTransactionOutput(input.PreviousTransactionHash, input.PreviousIndex);
input.InputAddress = outputTable?.Address;
input.InputAmount = outputTable?.Value ?? 0;
}
// try to fetch spent outputs
foreach (SyncTransactionItemOutput output in ret.Outputs)
{
output.SpentInTransaction = GetTransactionInput(transactionId, output.Index)?.TrxHash;
}
if (!ret.IsCoinbase && !ret.IsCoinstake)
{
// calcualte fee and feePk
ret.Fee = ret.Inputs.Sum(s => s.InputAmount) - ret.Outputs.Sum(s => s.Value);
}
return(ret);
}
