private ContractTask Update(ApplicationEngine engine, byte[] nefFile, byte[] manifest, StackItem data)
{
if (nefFile is null && manifest is null) throw new ArgumentException();
engine.AddValt(engine.StoragePrice * ((nefFile?.Length ?? 0) + (manifest?.Length ?? 0)));
var contract = engine.Snapshot.GetAndChange(CreateStorageKey(Prefix_Contract).Add(engine.CallingScriptHash))?.GetInteroperable<ContractState>();
if (contract is null) throw new InvalidOperationException($"Updating Contract Does Not Exist: {engine.CallingScriptHash}");
if (nefFile != null)
{
if (nefFile.Length == 0)
throw new ArgumentException($"Invalid NefFile Length: {nefFile.Length}");
// Update nef
contract.Nef = nefFile.AsSerializable<NefFile>();
}
if (manifest != null)
{
if (manifest.Length == 0)
throw new ArgumentException($"Invalid Manifest Length: {manifest.Length}");
ContractManifest manifest_new = ContractManifest.Parse(manifest);
if (manifest_new.Name != contract.Manifest.Name)
throw new InvalidOperationException("The name of the contract can't be changed.");
if (!manifest_new.IsValid(contract.Hash))
throw new InvalidOperationException($"Invalid Manifest Hash: {contract.Hash}");
contract.Manifest = manifest_new;
}
Helper.Check(contract.Nef.Script, contract.Manifest.Abi);
contract.UpdateCounter++; // Increase update counter
return OnDeploy(engine, contract, data, true);
}
private void Update(ApplicationEngine engine, byte[] nefFile, byte[] manifest, StackItem data)
{
if (nefFile is null && manifest is null)
{
throw new ArgumentException();
}
engine.AddGas(engine.StoragePrice * ((nefFile?.Length ?? 0) + (manifest?.Length ?? 0)));
var contract = engine.Snapshot.GetAndChange(CreateStorageKey(Prefix_Contract).Add(engine.CallingScriptHash))?.GetInteroperable <ContractState>();
if (contract is null)
{
throw new InvalidOperationException($"Updating Contract Does Not Exist: {engine.CallingScriptHash}");
}
if (nefFile != null)
{
if (nefFile.Length == 0)
{
throw new ArgumentException($"Invalid NefFile Length: {nefFile.Length}");
}
// Update nef
contract.Nef = nefFile.AsSerializable <NefFile>();
}
if (manifest != null)
{
if (manifest.Length == 0)
{
throw new ArgumentException($"Invalid Manifest Length: {manifest.Length}");
}
ContractManifest manifest_new = ContractManifest.Parse(manifest);
if (manifest_new.Name != contract.Manifest.Name)
{
throw new InvalidOperationException("The name of the contract can't be changed.");
}
if (!manifest_new.IsValid(contract.Hash))
{
throw new InvalidOperationException($"Invalid Manifest Hash: {contract.Hash}");
}
contract.Manifest = manifest_new;
}
Check(contract.Nef.Script, contract.Manifest.Abi);
contract.UpdateCounter++; // Increase update counter
if (nefFile != null)
{
ContractMethodDescriptor md = contract.Manifest.Abi.GetMethod("_deploy", 2);
if (md != null)
{
engine.CallFromNativeContract(Hash, contract.Hash, md.Name, data, true);
}
}
engine.SendNotification(Hash, "Update", new VM.Types.Array {
contract.Hash.ToArray()
});
}