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protocols/gossipsub: Allow publishing to anything that implements Into<TopicHash> #2862

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merged 6 commits into from
Sep 5, 2022
Merged

protocols/gossipsub: Allow publishing to anything that implements Into<TopicHash> #2862

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354b8bc
Less hashing
GamePad64 Aug 31, 2022
8472253
Change docstring
GamePad64 Aug 31, 2022
1dfcb93
Add changelog item.
GamePad64 Sep 1, 2022
056961d
Merge branch 'master' into gossipsub-publish-to-topichash
GamePad64 Sep 2, 2022
8839fe5
Merge branch 'master' into gossipsub-publish-to-topichash
GamePad64 Sep 3, 2022
7b98491
Merge branch 'master' into gossipsub-publish-to-topichash
GamePad64 Sep 4, 2022
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4 changes: 4 additions & 0 deletions protocols/gossipsub/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@

- Update to `libp2p-swarm` `v0.39.0`.

- Allow publishing with any `impl Into<TopicHash>` as a topic. See [PR 2862].

[PR 2862]: https://github.com/libp2p/rust-libp2p/pull/2862

# 0.40.0

- Update prost requirement from 0.10 to 0.11 which no longer installs the protoc Protobuf compiler.
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9 changes: 5 additions & 4 deletions protocols/gossipsub/src/behaviour.rs
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Expand Up @@ -587,19 +587,20 @@ where
}

/// Publishes a message with multiple topics to the network.
pub fn publish<H: Hasher>(
pub fn publish(
&mut self,
topic: Topic<H>,
topic: impl Into<TopicHash>,
data: impl Into<Vec<u8>>,
) -> Result<MessageId, PublishError> {
let data = data.into();
let topic = topic.into();

// Transform the data before building a raw_message.
let transformed_data = self
.data_transform
.outbound_transform(&topic.hash(), data.clone())?;
.outbound_transform(&topic, data.clone())?;

let raw_message = self.build_raw_message(topic.into(), transformed_data)?;
let raw_message = self.build_raw_message(topic, transformed_data)?;

// calculate the message id from the un-transformed data
let msg_id = self.config.message_id(&GossipsubMessage {
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