91 lines
3.2 KiB
Rust
91 lines
3.2 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Receipt
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use util::*;
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use basic_types::LogBloom;
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use log_entry::LogEntry;
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/// Information describing execution of a transaction.
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#[derive(Default, Debug, Clone)]
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pub struct Receipt {
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/// The state root after executing the transaction.
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pub state_root: H256,
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/// The total gas used in the block following execution of the transaction.
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pub gas_used: U256,
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/// The OR-wide combination of all logs' blooms for this transaction.
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pub log_bloom: LogBloom,
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/// The logs stemming from this transaction.
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pub logs: Vec<LogEntry>,
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}
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impl Receipt {
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/// Create a new receipt.
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pub fn new(state_root: H256, gas_used: U256, logs: Vec<LogEntry>) -> Receipt {
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Receipt {
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state_root: state_root,
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gas_used: gas_used,
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log_bloom: logs.iter().fold(LogBloom::new(), |mut b, l| { b = &b | &l.bloom(); b }), //TODO: use |= operator
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logs: logs,
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}
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}
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}
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impl Encodable for Receipt {
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fn rlp_append(&self, s: &mut RlpStream) {
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s.begin_list(4);
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s.append(&self.state_root);
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s.append(&self.gas_used);
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s.append(&self.log_bloom);
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s.append(&self.logs);
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}
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}
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impl Decodable for Receipt {
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fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
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let d = decoder.as_rlp();
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let receipt = Receipt {
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state_root: try!(d.val_at(0)),
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gas_used: try!(d.val_at(1)),
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log_bloom: try!(d.val_at(2)),
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logs: try!(d.val_at(3)),
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};
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Ok(receipt)
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}
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}
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impl HeapSizeOf for Receipt {
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fn heap_size_of_children(&self) -> usize {
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self.logs.heap_size_of_children()
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}
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}
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#[test]
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fn test_basic() {
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let expected = FromHex::from_hex("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").unwrap();
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let r = Receipt::new(
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x!("2f697d671e9ae4ee24a43c4b0d7e15f1cb4ba6de1561120d43b9a4e8c4a8a6ee"),
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x!(0x40cae),
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vec![LogEntry {
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address: x!("dcf421d093428b096ca501a7cd1a740855a7976f"),
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topics: vec![],
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data: vec![0u8; 32]
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}]
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);
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assert_eq!(&encode(&r)[..], &expected[..]);
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}
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