80 lines
2.2 KiB
Rust
80 lines
2.2 KiB
Rust
use util::*;
|
|
use basic_types::LogBloom;
|
|
|
|
/// A single log's entry.
|
|
#[derive(Default, Debug, Clone, PartialEq, Eq)]
|
|
pub struct LogEntry {
|
|
/// TODO [Gav Wood] Please document me
|
|
pub address: Address,
|
|
/// TODO [Gav Wood] Please document me
|
|
pub topics: Vec<H256>,
|
|
/// TODO [Gav Wood] Please document me
|
|
pub data: Bytes,
|
|
}
|
|
|
|
impl Encodable for LogEntry {
|
|
fn rlp_append(&self, s: &mut RlpStream) {
|
|
s.begin_list(3);
|
|
s.append(&self.address);
|
|
s.append(&self.topics);
|
|
s.append(&self.data);
|
|
}
|
|
}
|
|
|
|
impl LogEntry {
|
|
/// Create a new log entry.
|
|
pub fn new(address: Address, topics: Vec<H256>, data: Bytes) -> LogEntry {
|
|
LogEntry {
|
|
address: address,
|
|
topics: topics,
|
|
data: data
|
|
}
|
|
}
|
|
|
|
/// Returns reference to address.
|
|
pub fn address(&self) -> &Address {
|
|
&self.address
|
|
}
|
|
|
|
/// Returns reference to topics.
|
|
pub fn topics(&self) -> &Vec<H256> {
|
|
&self.topics
|
|
}
|
|
|
|
/// Returns reference to data.
|
|
pub fn data(&self) -> &Bytes {
|
|
&self.data
|
|
}
|
|
|
|
/// Calculates the bloom of this log entry.
|
|
pub fn bloom(&self) -> LogBloom {
|
|
self.topics.iter().fold(LogBloom::from_bloomed(&self.address.sha3()), |b, t| b.with_bloomed(&t.sha3()))
|
|
}
|
|
}
|
|
|
|
impl FromJson for LogEntry {
|
|
/// Convert given JSON object to a LogEntry.
|
|
fn from_json(json: &Json) -> LogEntry {
|
|
// TODO: check bloom.
|
|
LogEntry {
|
|
address: xjson!(&json["address"]),
|
|
topics: xjson!(&json["topics"]),
|
|
data: xjson!(&json["data"]),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use util::*;
|
|
use super::LogEntry;
|
|
|
|
#[test]
|
|
fn test_empty_log_bloom() {
|
|
let bloom = H2048::from_str("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
|
|
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
|
|
let log = LogEntry::new(address, vec![], vec![]);
|
|
assert_eq!(log.bloom(), bloom);
|
|
}
|
|
}
|