54 lines
1.6 KiB
Rust
54 lines
1.6 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! State diff module.
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use crate::account_diff::*;
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use ethereum_types::Address;
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use std::{collections::BTreeMap, fmt, ops::*};
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/// Expression for the delta between two system states. Encoded the
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/// delta of every altered account.
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#[derive(Debug, PartialEq, Eq, Clone)]
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pub struct StateDiff {
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/// Raw diff key-value
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pub raw: BTreeMap<Address, AccountDiff>,
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}
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impl StateDiff {
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/// Get the actual data.
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pub fn get(&self) -> &BTreeMap<Address, AccountDiff> {
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&self.raw
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}
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}
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impl fmt::Display for StateDiff {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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for (add, acc) in &self.raw {
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write!(f, "{} {}: {}", acc.existance(), add, acc)?;
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}
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Ok(())
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}
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}
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impl Deref for StateDiff {
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type Target = BTreeMap<Address, AccountDiff>;
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fn deref(&self) -> &Self::Target {
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&self.raw
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}
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}
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