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// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Polkadot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.

//! Basic parachain that executes forever.

#![no_std]
#![cfg_attr(enable_alloc_error_handler, feature(alloc_error_handler))]

// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));

#[cfg(feature = "std")]
/// Wasm binary unwrapped. If built with `BUILD_DUMMY_WASM_BINARY`, the function panics.
pub fn wasm_binary_unwrap() -> &'static [u8] {
	WASM_BINARY.expect(
		"Development wasm binary is not available. Testing is only \
						supported with the flag disabled.",
	)
}

#[cfg(not(feature = "std"))]
#[panic_handler]
#[no_mangle]
pub fn panic(_info: &core::panic::PanicInfo) -> ! {
	core::arch::wasm32::unreachable();
}

#[cfg(enable_alloc_error_handler)]
#[alloc_error_handler]
#[no_mangle]
pub fn oom(_: core::alloc::Layout) -> ! {
	core::intrinsics::abort();
}

#[cfg(not(feature = "std"))]
#[no_mangle]
pub extern "C" fn validate_block(_params: *const u8, _len: usize) -> u64 {
	loop {}
}