private void OnPersistCompleted(Block block)
{
block_cache.Remove(block.Hash);
MemPool.UpdatePoolForBlockPersisted(block, currentSnapshot);
Context.System.EventStream.Publish(new PersistCompleted {
Block = block
});
}
private void OnPersistCompleted(Block block)
{
Debugger.Log(nameof(Blockchain), $"block persist completed=>{block.Index}/{block.Hash}", 2);
block_cache.Remove(block.Hash);
MemPool.UpdatePoolForBlockPersisted(block, currentSnapshot);
Context.System.EventStream.Publish(new PersistCompleted {
Block = block
});
}
private void OnPersistCompleted(Block block)
{
block_cache.Remove(block.Hash);
MemPool.UpdatePoolForBlockPersisted(block, currentSnapshot);
PersistCompleted completed = new PersistCompleted {
Block = block
};
system.Consensus?.Tell(completed);
Distribute(completed);
}
private void Persist(Block block)
{
using (SnapshotView snapshot = GetSnapshot())
{
if (block.Index == header_index.Count)
{
header_index.Add(block.Hash);
snapshot.HeaderHashIndex.GetAndChange().Set(block);
}
List <ApplicationExecuted> all_application_executed = new List <ApplicationExecuted>();
snapshot.PersistingBlock = block;
if (block.Index > 0)
{
using (ApplicationEngine engine = new ApplicationEngine(TriggerType.System, null, snapshot, 0, true))
{
engine.LoadScript(onPersistNativeContractScript);
if (engine.Execute() != VMState.HALT)
{
throw new InvalidOperationException();
}
ApplicationExecuted application_executed = new ApplicationExecuted(engine);
Context.System.EventStream.Publish(application_executed);
all_application_executed.Add(application_executed);
}
}
snapshot.Blocks.Add(block.Hash, block.Trim());
StoreView clonedSnapshot = snapshot.Clone();
// Warning: Do not write into variable snapshot directly. Write into variable clonedSnapshot and commit instead.
foreach (Transaction tx in block.Transactions)
{
var state = new TransactionState
{
BlockIndex = block.Index,
Transaction = tx
};
clonedSnapshot.Transactions.Add(tx.Hash, state);
clonedSnapshot.Transactions.Commit();
using (ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, tx, clonedSnapshot, tx.SystemFee))
{
engine.LoadScript(tx.Script);
state.VMState = engine.Execute();
if (state.VMState == VMState.HALT)
{
clonedSnapshot.Commit();
}
else
{
clonedSnapshot = snapshot.Clone();
}
ApplicationExecuted application_executed = new ApplicationExecuted(engine);
Context.System.EventStream.Publish(application_executed);
all_application_executed.Add(application_executed);
}
}
snapshot.BlockHashIndex.GetAndChange().Set(block);
foreach (IPersistencePlugin plugin in Plugin.PersistencePlugins)
{
plugin.OnPersist(snapshot, all_application_executed);
}
snapshot.Commit();
List <Exception> commitExceptions = null;
foreach (IPersistencePlugin plugin in Plugin.PersistencePlugins)
{
try
{
plugin.OnCommit(snapshot);
}
catch (Exception ex)
{
if (plugin.ShouldThrowExceptionFromCommit(ex))
{
if (commitExceptions == null)
{
commitExceptions = new List <Exception>();
}
commitExceptions.Add(ex);
}
}
}
if (commitExceptions != null)
{
throw new AggregateException(commitExceptions);
}
}
UpdateCurrentSnapshot();
block_cache.Remove(block.PrevHash);
MemPool.UpdatePoolForBlockPersisted(block, currentSnapshot);
Context.System.EventStream.Publish(new PersistCompleted {
Block = block
});
}
