// Copied from BlockChain<T>.SetStates().
private static void SetStates(
Guid chainId,
IStateStore stateStore,
Block <NCAction> block,
IReadOnlyList <ActionEvaluation> actionEvaluations,
bool buildStateReferences
)
{
IImmutableSet <Address> stateUpdatedAddresses = actionEvaluations
.SelectMany(a => a.OutputStates.StateUpdatedAddresses)
.ToImmutableHashSet();
IImmutableSet <(Address, Currency)> updatedFungibleAssets = actionEvaluations
.SelectMany(a => a.OutputStates.UpdatedFungibleAssets
.SelectMany(kv => kv.Value.Select(c => (kv.Key, c))))
.ToImmutableHashSet();
if (!stateStore.ContainsBlockStates(block.Hash))
{
var totalDelta = GetTotalDelta(actionEvaluations, ToStateKey, ToFungibleAssetKey);
stateStore.SetStates(block, totalDelta);
}
if (buildStateReferences && stateStore is IBlockStatesStore blockStatesStore)
{
IImmutableSet <string> stateUpdatedKeys = stateUpdatedAddresses
.Select(ToStateKey)
.ToImmutableHashSet();
IImmutableSet <string> assetUpdatedKeys = updatedFungibleAssets
.Select(ToFungibleAssetKey)
.ToImmutableHashSet();
IImmutableSet <string> updatedKeys = stateUpdatedKeys.Union(assetUpdatedKeys);
blockStatesStore.StoreStateReference(chainId, updatedKeys, block.Hash, block.Index);
}
}
public void SetStates <T>(
Block <T> blockHash,
IImmutableDictionary <string, IValue> states)
where T : IAction, new()
{
Log(nameof(SetStates), blockHash, states);
_stateStore.SetStates(blockHash, states);
}
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);
}
