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use hiero_sdk_proto::services;
use crate::protobuf::{
FromProtobuf,
ToProtobuf,
};
use crate::ContractId;
/// The log information for an event returned by a smart contract function call.
/// One function call may return several such events.
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct ContractLogInfo {
/// Address of the contract that emitted the event.
pub contract_id: ContractId,
/// Bloom filter for this log.
pub bloom: Vec<u8>,
/// A list of topics this log is relevent to.
pub topics: Vec<Vec<u8>>,
/// The log's data payload.
pub data: Vec<u8>,
}
impl ContractLogInfo {
/// Create a new `ContractLogInfo` from protobuf-encoded `bytes`.
///
/// # Errors
/// - [`Error::FromProtobuf`](crate::Error::FromProtobuf) if decoding the bytes fails to produce a valid protobuf.
/// - [`Error::FromProtobuf`](crate::Error::FromProtobuf) if decoding the protobuf fails.
pub fn from_bytes(bytes: &[u8]) -> crate::Result<Self> {
FromProtobuf::from_bytes(bytes)
}
/// Convert `self` to a protobuf-encoded [`Vec<u8>`].
#[must_use]
pub fn to_bytes(&self) -> Vec<u8> {
ToProtobuf::to_bytes(self)
}
}
impl FromProtobuf<services::ContractLoginfo> for ContractLogInfo {
fn from_protobuf(pb: services::ContractLoginfo) -> crate::Result<Self>
where
Self: Sized,
{
Ok(Self {
contract_id: ContractId::from_protobuf(pb_getf!(pb, contract_id)?)?,
bloom: pb.bloom,
topics: pb.topic,
data: pb.data,
})
}
}
impl ToProtobuf for ContractLogInfo {
type Protobuf = services::ContractLoginfo;
fn to_protobuf(&self) -> Self::Protobuf {
Self::Protobuf {
contract_id: Some(self.contract_id.to_protobuf()),
bloom: self.bloom.clone(),
topic: self.topics.clone(),
data: self.data.clone(),
}
}
}
#[cfg(test)]
mod tests {
use expect_test::expect;
use hiero_sdk_proto::services;
use prost::Message;
use crate::protobuf::{
FromProtobuf,
ToProtobuf,
};
use crate::ContractLogInfo;
fn make_info() -> services::ContractLoginfo {
services::ContractLoginfo {
contract_id: Some(services::ContractId {
shard_num: 0,
realm_num: 0,
contract: Some(services::contract_id::Contract::ContractNum(10)),
}),
bloom: b"bloom".to_vec(),
topic: Vec::from([b"bloom".to_vec()]),
data: b"data".to_vec(),
}
}
#[test]
fn from_protobuf() {
expect![[r#"
ContractLogInfo {
contract_id: "0.0.10",
bloom: [
98,
108,
111,
111,
109,
],
topics: [
[
98,
108,
111,
111,
109,
],
],
data: [
100,
97,
116,
97,
],
}
"#]]
.assert_debug_eq(&ContractLogInfo::from_protobuf(make_info()).unwrap());
}
#[test]
fn to_protobuf() {
expect![[r#"
ContractLoginfo {
contract_id: Some(
ContractId {
shard_num: 0,
realm_num: 0,
contract: Some(
ContractNum(
10,
),
),
},
),
bloom: [
98,
108,
111,
111,
109,
],
topic: [
[
98,
108,
111,
111,
109,
],
],
data: [
100,
97,
116,
97,
],
}
"#]]
.assert_debug_eq(&ContractLogInfo::from_protobuf(make_info()).unwrap().to_protobuf())
}
#[test]
fn from_bytes() {
expect![[r#"
ContractLogInfo {
contract_id: "0.0.10",
bloom: [
98,
108,
111,
111,
109,
],
topics: [
[
98,
108,
111,
111,
109,
],
],
data: [
100,
97,
116,
97,
],
}
"#]]
.assert_debug_eq(&ContractLogInfo::from_bytes(&make_info().encode_to_vec()).unwrap());
}
}