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// 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/>. //! State diff module. use std::fmt; use std::ops::*; use std::collections::BTreeMap; use ethereum_types::Address; use account_diff::*; /// Expression for the delta between two system states. Encoded the /// delta of every altered account. #[derive(Debug, PartialEq, Eq, Clone)] pub struct StateDiff { /// Raw diff key-value pub raw: BTreeMap<Address, AccountDiff> } impl StateDiff { /// Get the actual data. pub fn get(&self) -> &BTreeMap<Address, AccountDiff> { &self.raw } } impl fmt::Display for StateDiff { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { for (add, acc) in &self.raw { write!(f, "{} {}: {}", acc.existance(), add, acc)?; } Ok(()) } } impl Deref for StateDiff { type Target = BTreeMap<Address, AccountDiff>; fn deref(&self) -> &Self::Target { &self.raw } }