public IValue GetState(
string stateKey,
HashDigest <SHA256>?blockHash = null,
Guid?chainId = null)
{
Log(nameof(GetState), stateKey, blockHash, chainId);
return(_stateStore.GetState(stateKey, blockHash, chainId));
}
public static Block <T> AttachStateRootHash <T>(
this Block <T> block, IStateStore stateStore, IAction blockAction)
where T : IAction, new()
{
IValue StateGetter(
Address address, HashDigest <SHA256>?blockHash, StateCompleter <T> stateCompleter) =>
blockHash is null
? null
: stateStore.GetState(ToStateKey(address), blockHash.Value);
FungibleAssetValue FungibleAssetValueGetter(
Address address,
Currency currency,
HashDigest <SHA256>?blockHash,
FungibleAssetStateCompleter <T> stateCompleter)
{
if (blockHash is null)
{
return(FungibleAssetValue.FromRawValue(currency, 0));
}
IValue value = stateStore.GetState(
ToFungibleAssetKey(address, currency), blockHash.Value);
return(FungibleAssetValue.FromRawValue(
currency,
value is Bencodex.Types.Integer i ? i.Value : 0));
}
var blockEvaluator = new BlockEvaluator <T>(
blockAction, StateGetter, FungibleAssetValueGetter, null);
var actionEvaluationResult = blockEvaluator
.EvaluateActions(block, StateCompleterSet <T> .Reject)
.GetTotalDelta(ToStateKey, ToFungibleAssetKey);
stateStore.SetStates(block, actionEvaluationResult);
if (stateStore is TrieStateStore trieStateStore)
{
block = new Block <T>(block, trieStateStore.GetRootHash(block.Hash));
stateStore.SetStates(block, actionEvaluationResult);
}
return(block);
}
public void RestoreState_WhenStateStoreReturnsNull_ShouldNotReturnNull()
{
IStateStore stateStore = Substitute.For <IStateStore>();
IStateStoreService svc = new StateStoreService(stateStore);
stateStore.GetState().ReturnsNull();
MaintenanceState state = svc.GetState();
state.ShouldNotBeNull();
}
private void RestoreState()
{
StorableMaintenanceState restored = _stateStore.GetState();
if (restored != null)
{
OptionCollection restoredOptions = null;
if (restored.MiddlewareOptions != null)
{
restoredOptions = new OptionCollection(
restored.MiddlewareOptions
.Select(o => RestoreOption(o)));
}
_state = new MaintenanceState(restored.ExpirationDate,
restored.IsMaintenanceOn,
restoredOptions);
}
else
{
_state = new MaintenanceState();
}
}
