public static UTXOStateResult CreateStates(
Func <Script[], bool[]> matchScript,
HashSet <Bookmark> knownUnconfBookmarks, IEnumerable <Transaction> unconfirmed,
HashSet <Bookmark> knownConfBookmarks, IEnumerable <Transaction> confirmed)
{
var utxoState = new UTXOState();
utxoState.MatchScript = matchScript;
var knownConf = knownConfBookmarks.Contains(Bookmark.Start) ? new UTXOState() : null;
foreach (var tx in confirmed)
{
if (utxoState.Apply(tx) == ApplyTransactionResult.Conflict)
{
throw new InvalidOperationException("Conflict in UTXOStateResult.CreateStates should never happen");
}
if (knownConfBookmarks.Contains(utxoState.CurrentBookmark))
{
knownConf = utxoState.Snapshot();
}
}
var actualConf = utxoState.Snapshot();
utxoState.ResetEvents();
var knownUnconf = knownUnconfBookmarks.Contains(Bookmark.Start) ? utxoState.Snapshot() : null;
foreach (var tx in unconfirmed)
{
var txid = tx.GetHash();
if (utxoState.Apply(tx) == ApplyTransactionResult.Conflict)
{
throw new InvalidOperationException("Conflict in UTXOStateResult.CreateStates should never happen");
}
if (knownUnconfBookmarks.Contains(utxoState.CurrentBookmark))
{
knownUnconf = utxoState.Snapshot();
}
}
var actualUnconf = utxoState;
return(new UTXOStateResult()
{
Unconfirmed = new UTXOStates()
{
Known = knownUnconf,
Actual = actualUnconf
},
Confirmed = new UTXOStates()
{
Known = knownConf,
Actual = actualConf,
}
});
}
public AnnotatedTransactionCollection(IEnumerable <AnnotatedTransaction> transactions) : base(transactions)
{
foreach (var tx in transactions)
{
var h = tx.Record.Transaction.GetHash();
_TxById.Add(h, tx);
foreach (var keyPathInfo in tx.Record.TransactionMatch.Inputs.Concat(tx.Record.TransactionMatch.Outputs))
{
if (keyPathInfo.KeyPath != null)
{
_KeyPaths.TryAdd(keyPathInfo.ScriptPubKey, keyPathInfo.KeyPath);
}
}
}
UTXOState state = new UTXOState();
foreach (var confirmed in transactions
.Where(tx => tx.Type == AnnotatedTransactionType.Confirmed)
.TopologicalSort())
{
if (state.Apply(confirmed.Record.Transaction) == ApplyTransactionResult.Conflict ||
!ConfirmedTransactions.TryAdd(confirmed.Record.Transaction.GetHash(), confirmed))
{
Logs.Explorer.LogError("A conflict among confirmed transaction happened, this should be impossible");
throw new InvalidOperationException("The impossible happened");
}
}
foreach (var unconfirmed in transactions
.Where(tx => tx.Type == AnnotatedTransactionType.Unconfirmed || tx.Type == AnnotatedTransactionType.Orphan)
.OrderByDescending(t => t.Record.Inserted) // OrderByDescending so that the last received is least likely to be conflicted
.TopologicalSort())
{
var hash = unconfirmed.Record.Transaction.GetHash();
if (ConfirmedTransactions.ContainsKey(hash))
{
DuplicatedTransactions.Add(unconfirmed);
}
else
{
if (state.Apply(unconfirmed.Record.Transaction) == ApplyTransactionResult.Conflict)
{
ReplacedTransactions.TryAdd(hash, unconfirmed);
}
else
{
if (!UnconfirmedTransactions.TryAdd(hash, unconfirmed))
{
throw new InvalidOperationException("The impossible happened (!UnconfirmedTransactions.TryAdd(hash, unconfirmed))");
}
}
}
}
}
public AnnotatedTransactionCollection(IEnumerable <AnnotatedTransaction> transactions, Models.TrackedSource trackedSource) : base(transactions)
{
foreach (var tx in transactions)
{
foreach (var keyPathInfo in tx.Record.KnownKeyPathMapping)
{
_KeyPaths.TryAdd(keyPathInfo.Key, keyPathInfo.Value);
}
}
UTXOState state = new UTXOState();
foreach (var confirmed in transactions
.Where(tx => tx.Type == AnnotatedTransactionType.Confirmed).ToList()
.TopologicalSort())
{
if (state.Apply(confirmed.Record) == ApplyTransactionResult.Conflict)
{
Logs.Explorer.LogError("A conflict among confirmed transaction happened, this should be impossible");
throw new InvalidOperationException("The impossible happened");
}
ConfirmedTransactions.Add(confirmed);
_TxById.Add(confirmed.Record.TransactionHash, confirmed);
}
foreach (var unconfirmed in transactions
.Where(tx => tx.Type == AnnotatedTransactionType.Unconfirmed || tx.Type == AnnotatedTransactionType.Orphan)
.OrderByDescending(t => t.Record.Inserted) // OrderByDescending so that the last received is least likely to be conflicted
.ToList()
.TopologicalSort())
{
if (_TxById.ContainsKey(unconfirmed.Record.TransactionHash))
{
_TxById.Add(unconfirmed.Record.TransactionHash, unconfirmed);
DuplicatedTransactions.Add(unconfirmed);
}
else
{
_TxById.Add(unconfirmed.Record.TransactionHash, unconfirmed);
if (state.Apply(unconfirmed.Record) == ApplyTransactionResult.Conflict)
{
ReplacedTransactions.Add(unconfirmed);
}
else
{
UnconfirmedTransactions.Add(unconfirmed);
}
}
}
TrackedSource = trackedSource;
}
public static UTXOState operator-(UTXOState a, UTXOState b)
{
UTXOState result = new UTXOState();
foreach (var utxo in a.UTXOByOutpoint)
{
if (!b.UTXOByOutpoint.ContainsKey(utxo.Key))
{
result.UTXOByOutpoint.TryAdd(utxo.Key, utxo.Value);
}
}
foreach (var utxo in b.UTXOByOutpoint)
{
if (!a.UTXOByOutpoint.ContainsKey(utxo.Key))
{
result.SpentUTXOs.Add(utxo.Key);
}
}
return(result);
}
public static UTXOStateResult CreateStates(IEnumerable <TrackedTransaction> unconfirmed, IEnumerable <TrackedTransaction> confirmed)
{
var utxoState = new UTXOState();
foreach (var tx in confirmed)
{
if (utxoState.Apply(tx) == ApplyTransactionResult.Conflict)
{
throw new InvalidOperationException("Conflict in UTXOStateResult.CreateStates should never happen");
}
}
var actualConf = utxoState.Snapshot();
foreach (var tx in unconfirmed)
{
if (utxoState.Apply(tx) == ApplyTransactionResult.Conflict)
{
throw new InvalidOperationException("Conflict in UTXOStateResult.CreateStates should never happen");
}
}
var actualUnconf = utxoState;
return(new UTXOStateResult()
{
Unconfirmed = new UTXOStates()
{
Actual = actualUnconf
},
Confirmed = new UTXOStates()
{
Actual = actualConf,
}
});
}
public static UTXOStateResult CreateStates(
Func <Script[], bool[]> matchScript,
uint256 knownUnconfHash, IEnumerable <Transaction> unconfirmed,
uint256 knownConfHash, IEnumerable <Transaction> confirmed)
{
var utxoState = new UTXOState();
utxoState.MatchScript = matchScript;
var knownConf = knownConfHash == uint256.Zero ? new UTXOState() : null;
foreach (var tx in confirmed)
{
var applyResult = utxoState.Apply(tx);
if (applyResult == ApplyTransactionResult.Conflict)
{
Logs.Explorer.LogError("A conflict among confirmed transaction happened, this should be impossible");
throw new InvalidOperationException("The impossible happened");
}
if (applyResult == ApplyTransactionResult.Passed)
{
if (utxoState.CurrentHash == knownConfHash)
{
knownConf = utxoState.Snapshot();
}
}
}
var actualConf = utxoState.Snapshot();
utxoState.ResetEvents();
var knownUnconf = knownUnconfHash == uint256.Zero ? utxoState.Snapshot() : null;
foreach (var tx in unconfirmed)
{
var txid = tx.GetHash();
if (utxoState.Apply(tx) == ApplyTransactionResult.Passed)
{
if (utxoState.CurrentHash == knownUnconfHash)
{
knownUnconf = utxoState.Snapshot();
}
}
}
var actualUnconf = utxoState;
return(new UTXOStateResult()
{
Unconfirmed = new UTXOStates()
{
Known = knownUnconf,
Actual = actualUnconf
},
Confirmed = new UTXOStates()
{
Known = knownConf,
Actual = actualConf,
}
});
}
public UTXOState(UTXOState other)
{
UTXOByOutpoint = new UTXOByOutpoint(other.UTXOByOutpoint);
SpentUTXOs = new HashSet <OutPoint>(other.SpentUTXOs);
_KnownInputs = new HashSet <OutPoint>(other._KnownInputs);
}