private AddressIndexData GetOrCreateAddressData(Script scriptPubKey)
{
byte[] scriptPubKeyBytes = scriptPubKey.ToBytes();
AddressIndexData addrData = this.addressesIndex.AddressIndexDatas.SingleOrDefault(x => StructuralComparisons.StructuralEqualityComparer.Equals(scriptPubKeyBytes, x.ScriptPubKeyBytes));
if (addrData == null)
{
addrData = new AddressIndexData()
{
ScriptPubKeyBytes = scriptPubKeyBytes,
Changes = new List <AddressBalanceChange>()
};
this.addressesIndex.AddressIndexDatas.Add(addrData);
return(addrData);
}
return(addrData);
}
/// <summary>Processes block that was added or removed from consensus chain.</summary>
private void ProcessBlockAddedOrRemoved(KeyValuePair <bool, ChainedHeaderBlock> item)
{
// Make sure it's on top of the tip.
bool blockAdded = item.Key;
Block block = item.Value.Block;
int currentHeight = item.Value.ChainedHeader.Height;
// Process inputs
var inputs = new List <TxIn>();
// Collect all inputs excluding coinbases.
foreach (TxInList inputsCollection in block.Transactions.Where(x => !x.IsCoinBase).Select(x => x.Inputs))
{
inputs.AddRange(inputsCollection);
}
Transaction[] transactions = this.blockStore.GetTransactionsByIds(inputs.Select(x => x.PrevOut.Hash).ToArray());
// TODO is it possible that transactions is null because block with requested ID was reorged away already?
for (int i = 0; i < inputs.Count; i++)
{
TxIn currentInput = inputs[i];
TxOut txOut = transactions[i].Outputs[currentInput.PrevOut.N];
Money amountSpent = txOut.Value;
AddressIndexData addrData = this.GetOrCreateAddressData(txOut.ScriptPubKey);
if (blockAdded)
{
// Record money being spent.
addrData.Changes.Add(new AddressBalanceChange()
{
BalanceChangedHeight = currentHeight,
Satoshi = amountSpent.Satoshi,
Deposited = false
});
}
else
{
// Remove changes.
addrData.Changes.RemoveAll(x => x.BalanceChangedHeight == currentHeight);
}
}
// Process outputs.
foreach (Transaction tx in block.Transactions)
{
foreach (TxOut txOut in tx.Outputs)
{
Money amountReceived = txOut.Value;
AddressIndexData addrData = this.GetOrCreateAddressData(txOut.ScriptPubKey);
if (blockAdded)
{
// Record money being sent.
addrData.Changes.Add(new AddressBalanceChange()
{
BalanceChangedHeight = currentHeight,
Satoshi = amountReceived.Satoshi,
Deposited = true
});
}
else
{
// Remove changes.
addrData.Changes.RemoveAll(x => x.BalanceChangedHeight == currentHeight);
}
}
}
this.addressesIndex.TipHash = item.Value.ChainedHeader.HashBlock.ToString();
}