public IActionResult GetUtxoSet(int atBlockHeight)
{
try
{
ReconstructedCoinviewContext coinView = this.utxoIndexer.GetCoinviewAtHeight(atBlockHeight);
var outputs = new List <UtxoModel>();
foreach (OutPoint outPoint in coinView.UnspentOutputs)
{
TxOut txOut = coinView.Transactions[outPoint.Hash].Outputs[outPoint.N];
var utxo = new UtxoModel()
{
TxId = outPoint.Hash, Index = outPoint.N, ScriptPubKey = txOut.ScriptPubKey, Value = txOut.Value
};
outputs.Add(utxo);
}
return(this.Json(outputs));
}
catch (Exception e)
{
this.logger.LogError("Exception occurred: {0}", e.ToString());
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, e.Message, e.ToString()));
}
}
public IActionResult GetUtxoSetForAddress(string address)
{
// Get coinview at current height (SLOW)
var coinView = this.utxoIndexer.GetCoinviewAtHeight(this.chainIndexer.Height);
var utxos = new ConcurrentBag <UtxoModel>();
// Get utxos for this address
try
{
// Fine to do this in parallel because we don't care about the order
Parallel.ForEach(coinView.UnspentOutputs, (utxo) =>
{
var tx = coinView.Transactions[utxo.Hash];
// Get the actual output
var output = tx.Outputs[utxo.N];
var destinationAddress = this.scriptAddressReader.GetAddressFromScriptPubKey(this.network, output.ScriptPubKey);
if (destinationAddress != address)
{
return;
}
var utxoModel = new UtxoModel()
{
TxId = utxo.Hash,
Index = utxo.N,
ScriptPubKey = output.ScriptPubKey,
Value = output.Value
};
utxos.Add(utxoModel);
});
var balance = new Money(utxos.Sum(u => u.Value)).ToUnit(MoneyUnit.BTC);
return(this.Json(new
{
balance,
utxos
}));
}
catch (Exception e)
{
this.logger.LogError("Exception occurred: {0}", e.ToString());
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, e.Message, e.ToString()));
}
}
