private void SetInitialTableHeights(long targetHeight)
{
SetInitialTableHeights();
// determine which height still need to be transformed
var minimal = GetMinimalHeight(tableTransformationStates.Values);
// TODO Do we want this?
//if (targetHeight < minimal)
// throw new ApplicationException("Explorer ledger height is higher than current ledger height. Please wipe the Explorer database!");
//TODO use batch
var ledgers = DatabaseService.ReadDatabaseManager.GetLedgersWithStateFromHeight(minimal).ToDictionary(_ => _.Ledger.Ledger.LedgerLight.Height);
var min = tableTransformationStates.Values.Min(table => table.CurrentHeight);
for (var height = min + 1; height <= targetHeight; height++)
{
Debug.Assert(ledgers.ContainsKey(height));
var context = new DataTransformationContext(ledgers[height]);
foreach (var entity in tableTransformationStates.Values)
{
if (entity.CurrentHeight < height)
{
TransformLedgerState(context, entity.TableName, height);
}
else if (entity.TableName == "transactiondeclarations")
{
var declarations = CreateDeclarationContext(context.SignedLedgerState.Ledger, ExplorerDatabaseService.ReadDatabaseManager.GetDeclarations(height));
context.SetDeclarations(declarations);
}
}
}
}
private DataTransformationContext RebuildContext(DataTransformationContext context, HashSet <Address> knownAccounts)
{
var oldState = context.SignedLedgerState.State;
var accounts = MarkNewAccounts(knownAccounts, oldState.Accounts);
var state = new LedgerStateChange(accounts, oldState.MultiSignatures, oldState.HashLocks, oldState.TimeLocks, oldState.VendingMachines);
var signedLedgerState = new SignedLedgerState(context.SignedLedgerState.Ledger, state);
return(new DataTransformationContext(signedLedgerState));
}
// Called on run
public void ProcessLedger(SignedLedgerState ledger)
{
var target = ledger.Ledger.Ledger.LedgerLight.Height;
var context = new DataTransformationContext(ledger);
foreach (var table in tableTransformationStates.Values)
{
Debug.Assert(table.TargetHeight + 1 == target);
TransformLedgerState(context, table.TableName, target);
}
current = target;
}
private void SetInitialTableHeights(long targetHeight)
{
SetInitialTableHeights();
// determine which height still need to be transformed
var minimal = GetMinimalHeight(tableTransformationStates.Values);
var min = tableTransformationStates.Values.Min(table => table.CurrentHeight);
if (targetHeight == min)
{
return;
}
//TODO use batch
var ledgers = DatabaseService.ReadDatabaseManager.GetLedgersWithStateFromHeight(minimal).ToDictionary(_ => _.Ledger.Ledger.LedgerLight.Height);
var knownAddresses = DatabaseService.ReadDatabaseManager.GetAddresses();
for (var height = min + 1; height <= targetHeight; height++)
{
Debug.Assert(ledgers.ContainsKey(height));
var context = new DataTransformationContext(ledgers[height]);
foreach (var entity in tableTransformationStates.Values)
{
if (entity.TableName == "accounts")
{
context = RebuildContext(context, knownAddresses);
}
if (entity.CurrentHeight < height)
{
TransformLedgerState(context, entity.TableName, height);
}
}
}
}
private void TransformLedgerState(DataTransformationContext context, string table, long height)
{
tableTransformationStates[table].TargetHeight = context.SignedLedgerState.Ledger.Ledger.LedgerLight.Height;
DataTransformationService.DataTransformerManager.Transform(context, new TableLedgerHeight(table, height));
}
public void Transform(DataTransformationContext context, TableLedgerHeight table)
{
services[table.TableName].ProcessNext(context);
}
