public static ApplicationEngine Run(byte[] script, UInt256 ChainHash, IScriptContainer container = null, Block persisting_block = null)
{
BlockchainBase Chain = BlockchainBase.GetBlockchain(ChainHash);
if (persisting_block == null)
{
persisting_block = new Block(ChainHash)
{
Version = 0,
PrevHash = Chain.CurrentBlockHash,
MerkleRoot = new UInt256(),
Timestamp = Chain.GetHeader(Chain.Height).Timestamp + Chain.SecondsPerBlock,
Index = Chain.Height + 1,
ConsensusData = 0,
NextConsensus = Chain.GetHeader(Chain.Height).NextConsensus,
Script = new Witness
{
InvocationScript = new byte[0],
VerificationScript = new byte[0]
},
Transactions = new Transaction[0]
}
}
;
DataCache <UInt160, AccountState> accounts = Chain.GetStates <UInt160, AccountState>();
DataCache <UInt256, AssetState> assets = Chain.GetStates <UInt256, AssetState>();
DataCache <UInt160, ContractState> contracts = Chain.GetStates <UInt160, ContractState>();
DataCache <StorageKey, StorageItem> storages = Chain.GetStates <StorageKey, StorageItem>();
CachedScriptTable script_table = new CachedScriptTable(contracts);
using (StateMachine service = new StateMachine(persisting_block, accounts, assets, contracts, storages))
{
ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, container, script_table, service, Fixed8.Zero, true);
engine.LoadScript(script, false);
engine.Execute();
return(engine);
}
}
}
private void OnGetBlocksMessageReceived(GetBlocksPayload payload)
{
if (!localNode.ServiceEnabled)
{
return;
}
BlockchainBase Chain = BlockchainBase.GetBlockchain(payload.ChainHash);
if (Chain == null)
{
return;
}
UInt256 hash = payload.HashStart.Select(p => Chain.GetHeader(p)).Where(p => p != null).OrderBy(p => p.Index).Select(p => p.Hash).FirstOrDefault();
if (hash == null || hash == payload.HashStop)
{
return;
}
List <UInt256> hashes = new List <UInt256>();
do
{
hash = Chain.GetNextBlockHash(hash);
if (hash == null)
{
break;
}
hashes.Add(hash);
} while (hash != payload.HashStop && hashes.Count < 500);
if (hashes.Count > 0)
{
EnqueueMessage("inv", InvPayload.Create(InventoryType.Block, hashes.ToArray()));
}
}