public ExecutionStatus GetDeployHeight(UInt160 contractAddress, SystemContractExecutionFrame frame) { frame.ReturnValue = new byte[64]; try { if (HardforkHeights.IsHardfork_3Active(frame.InvocationContext.Snapshot.Blocks.GetTotalBlockHeight())) { if (HardforkHeights.IsHardfork_6Active( frame.InvocationContext.Snapshot.Blocks.GetTotalBlockHeight())) { frame.ReturnValue = _deployHeight.GetValue(contractAddress.ToBytes()) ?? new byte[64]; } else { frame.ReturnValue = _deployHeight.GetValue(contractAddress.ToBytes()); } } } catch (Exception e) { Logger.LogInformation($"Exception while get deploy height: {e}"); } return(ExecutionStatus.Ok); }