// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity 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.

// Parity 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 Parity.  If not, see <http://www.gnu.org/licenses/>.

use bloomchain::group as bc;
use heapsize::HeapSizeOf;
use ethereum_types::Bloom;

/// Represents group of X consecutive blooms.
#[derive(Debug, Clone, RlpEncodableWrapper, RlpDecodableWrapper)]
pub struct BloomGroup {
	blooms: Vec<Bloom>,
}

impl BloomGroup {
	pub fn accrue_bloom_group(&mut self, group: &BloomGroup) {
		for (bloom, other) in self.blooms.iter_mut().zip(group.blooms.iter()) {
			bloom.accrue_bloom(other);
		}
	}
}

impl From<bc::BloomGroup> for BloomGroup {
	fn from(group: bc::BloomGroup) -> Self {
		BloomGroup {
			blooms: group.blooms
		}
	}
}

impl Into<bc::BloomGroup> for BloomGroup {
	fn into(self) -> bc::BloomGroup {
		bc::BloomGroup {
			blooms: self.blooms
		}
	}
}

impl HeapSizeOf for BloomGroup {
	fn heap_size_of_children(&self) -> usize {
		self.blooms.heap_size_of_children()
	}
}