public DeferredChainStateCursor(IChainState chainState, IStorageManager storageManager)
{
this.chainState = chainState;
this.storageManager = storageManager;
UnspentOutputCount = chainState.UnspentOutputCount;
UnspentTxCount = chainState.UnspentTxCount;
TotalTxCount = chainState.TotalTxCount;
TotalInputCount = chainState.TotalInputCount;
TotalOutputCount = chainState.TotalOutputCount;
headers = new DeferredDictionary<UInt256, ChainedHeader>(
blockHash =>
{
ChainedHeader header;
return Tuple.Create(chainState.TryGetHeader(blockHash, out header), header);
});
unspentTxes = new WorkQueueDictionary<UInt256, UnspentTx>(
txHash =>
{
UnspentTx unspentTx;
return Tuple.Create(chainState.TryGetUnspentTx(txHash, out unspentTx), unspentTx);
});
blockSpentTxes = new DeferredDictionary<int, BlockSpentTxes>(
blockHeight =>
{
BlockSpentTxes spentTxes;
return Tuple.Create(chainState.TryGetBlockSpentTxes(blockHeight, out spentTxes), spentTxes);
});
blockUnmintedTxes = new DeferredDictionary<UInt256, IImmutableList<UnmintedTx>>(
blockHash =>
{
IImmutableList<UnmintedTx> unmintedTxes;
return Tuple.Create(chainState.TryGetBlockUnmintedTxes(blockHash, out unmintedTxes), unmintedTxes);
});
}
public DeferredChainStateCursor(IChainState chainState, IStorageManager storageManager)
{
this.chainState = chainState;
this.storageManager = storageManager;
headers = new DeferredDictionary<UInt256, ChainedHeader>(
blockHash =>
{
ChainedHeader header;
return Tuple.Create(chainState.TryGetHeader(blockHash, out header), header);
});
unspentTxes = new WorkQueueDictionary<UInt256, UnspentTx>(
txHash =>
{
UnspentTx unspentTx;
return Tuple.Create(chainState.TryGetUnspentTx(txHash, out unspentTx), unspentTx);
});
unspentTxOutputs = new WorkQueueDictionary<TxOutputKey, TxOutput>(
txOutputKey =>
{
TxOutput txOutput;
return Tuple.Create(chainState.TryGetUnspentTxOutput(txOutputKey, out txOutput), txOutput);
});
blockSpentTxes = new DeferredDictionary<int, BlockSpentTxes>(
blockHeight =>
{
BlockSpentTxes spentTxes;
return Tuple.Create(chainState.TryGetBlockSpentTxes(blockHeight, out spentTxes), spentTxes);
});
blockUnmintedTxes = new DeferredDictionary<UInt256, IImmutableList<UnmintedTx>>(
blockHash =>
{
IImmutableList<UnmintedTx> unmintedTxes;
return Tuple.Create(chainState.TryGetBlockUnmintedTxes(blockHash, out unmintedTxes), unmintedTxes);
});
utxoApplier = new ActionBlock<WorkQueueDictionary<UInt256, UnspentTx>.WorkItem>(
workItem =>
{
workItem.Consume(
(operation, unspentTxHash, unspentTx) =>
{
lock (parentCursor)
switch (operation)
{
case WorkQueueOperation.Nothing:
break;
case WorkQueueOperation.Add:
if (!parentCursor.TryAddUnspentTx(unspentTx))
throw new InvalidOperationException();
break;
case WorkQueueOperation.Update:
if (!parentCursor.TryUpdateUnspentTx(unspentTx))
throw new InvalidOperationException();
break;
case WorkQueueOperation.Remove:
if (!parentCursor.TryRemoveUnspentTx(unspentTxHash))
throw new InvalidOperationException();
break;
default:
throw new InvalidOperationException();
}
});
});
unspentTxes.WorkQueue.LinkTo(utxoApplier, new DataflowLinkOptions { PropagateCompletion = true });
utxoApplier2 = new ActionBlock<WorkQueueDictionary<TxOutputKey, TxOutput>.WorkItem>(
workItem =>
{
workItem.Consume(
(operation, txOutputKey, txOutput) =>
{
lock (parentCursor)
switch (operation)
{
case WorkQueueOperation.Nothing:
break;
case WorkQueueOperation.Add:
if (!parentCursor.TryAddUnspentTxOutput(txOutputKey, txOutput))
throw new InvalidOperationException();
break;
case WorkQueueOperation.Update:
throw new InvalidOperationException();
case WorkQueueOperation.Remove:
if (!parentCursor.TryRemoveUnspentTxOutput(txOutputKey))
throw new InvalidOperationException();
break;
default:
throw new InvalidOperationException();
}
});
});
unspentTxOutputs.WorkQueue.LinkTo(utxoApplier2, new DataflowLinkOptions { PropagateCompletion = true });
}
