mirror of
https://github.com/logos-messaging/logos-messaging-rust-bindings.git
synced 2026-01-11 02:13:05 +00:00
245 lines
9.9 KiB
Rust
245 lines
9.9 KiB
Rust
// std
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use std::ffi::{CStr, CString};
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use std::time::Duration;
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// crates
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use aes_gcm::{Aes256Gcm, Key};
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use libsecp256k1::{PublicKey, SecretKey};
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// internal
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use crate::general::{
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Encoding, JsonResponse, MessageId, Result, WakuContentTopic, WakuMessage, WakuPubSubTopic,
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};
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/// Create a content topic according to [RFC 23](https://rfc.vac.dev/spec/23/)
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/// As per the [specification](https://rfc.vac.dev/spec/36/#extern-char-waku_content_topicchar-applicationname-unsigned-int-applicationversion-char-contenttopicname-char-encoding)
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pub fn waku_create_content_topic(
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application_name: &str,
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application_version: usize,
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content_topic_name: &str,
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encoding: Encoding,
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) -> WakuContentTopic {
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unsafe {
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CStr::from_ptr(waku_sys::waku_content_topic(
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CString::new(application_name)
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.expect("Application name should always transform to CString")
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.into_raw(),
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application_version
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.try_into()
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.expect("Version should fit within an u32"),
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CString::new(content_topic_name)
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.expect("Conmtent topic should always transform to CString")
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.into_raw(),
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CString::new(encoding.to_string())
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.expect("Encoding should always transform to CString")
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.into_raw(),
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))
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}
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.to_str()
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.expect("&str from result should always be extracted")
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.parse()
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.expect("Content topic data should be always parseable")
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}
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/// Create a pubsub topic according to [RFC 23](https://rfc.vac.dev/spec/23/)
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/// As per the [specification](https://rfc.vac.dev/spec/36/#extern-char-waku_pubsub_topicchar-name-char-encoding)
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pub fn waku_create_pubsub_topic(topic_name: &str, encoding: Encoding) -> WakuPubSubTopic {
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unsafe {
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CStr::from_ptr(waku_sys::waku_pubsub_topic(
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CString::new(topic_name)
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.expect("Topic name should always transform to CString")
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.into_raw(),
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CString::new(encoding.to_string())
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.expect("Encoding should always transform to CString")
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.into_raw(),
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))
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}
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.to_str()
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.expect("&str from result should always be extracted")
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.parse()
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.expect("Pubsub topic data should be always parseable")
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}
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/// Default pubsub topic used for exchanging waku messages defined in [RFC 10](https://rfc.vac.dev/spec/10/)
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pub fn waku_dafault_pubsub_topic() -> WakuPubSubTopic {
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unsafe { CStr::from_ptr(waku_sys::waku_default_pubsub_topic()) }
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.to_str()
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.expect("&str from result should always be extracted")
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.parse()
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.expect("Default pubsub topic should always be parseable")
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}
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/// Publish a message using Waku Relay
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/// As per the [specification](https://rfc.vac.dev/spec/36/#extern-char-waku_relay_publishchar-messagejson-char-pubsubtopic-int-timeoutms)
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pub fn waku_relay_publish_message(
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message: &WakuMessage,
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pubsub_topic: Option<WakuPubSubTopic>,
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timeout: Duration,
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) -> Result<MessageId> {
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let pubsub_topic = pubsub_topic
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.unwrap_or_else(waku_dafault_pubsub_topic)
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.to_string();
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let result = unsafe {
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CStr::from_ptr(waku_sys::waku_relay_publish(
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CString::new(
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serde_json::to_string(&message)
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.expect("WakuMessages should always be able to success serializing"),
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)
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.expect("CString should build properly from the serialized waku message")
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.into_raw(),
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CString::new(pubsub_topic)
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.expect("CString should build properly from pubsub topic")
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.into_raw(),
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timeout
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.as_millis()
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.try_into()
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.expect("Duration as milliseconds should fit in a i32"),
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))
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}
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.to_str()
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.expect("&str from result should always be extracted");
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let message_id: JsonResponse<MessageId> =
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serde_json::from_str(result).expect("JsonResponse should always succeed to deserialize");
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message_id.into()
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}
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/// Optionally sign, encrypt using asymmetric encryption and publish a message using Waku Relay
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/// As per the [specification](https://rfc.vac.dev/spec/36/#extern-char-waku_relay_publish_enc_asymmetricchar-messagejson-char-pubsubtopic-char-publickey-char-optionalsigningkey-int-timeoutms)
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pub fn waku_relay_publish_encrypt_asymmetric(
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message: &WakuMessage,
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pubsub_topic: Option<WakuPubSubTopic>,
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public_key: &PublicKey,
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signing_key: &SecretKey,
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timeout: Duration,
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) -> Result<MessageId> {
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let pk = hex::encode(public_key.serialize());
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let sk = hex::encode(signing_key.serialize());
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let pubsub_topic = pubsub_topic
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.unwrap_or_else(waku_dafault_pubsub_topic)
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.to_string();
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let result = unsafe {
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CStr::from_ptr(waku_sys::waku_relay_publish_enc_asymmetric(
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CString::new(
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serde_json::to_string(&message)
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.expect("WakuMessages should always be able to success serializing"),
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)
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.expect("CString should build properly from the serialized waku message")
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.into_raw(),
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CString::new(pubsub_topic)
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.expect("CString should build properly from pubsub topic")
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.into_raw(),
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CString::new(pk)
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.expect("CString should build properly from hex encoded public key")
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.into_raw(),
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CString::new(sk)
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.expect("CString should build properly from hex encoded signing key")
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.into_raw(),
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timeout
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.as_millis()
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.try_into()
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.expect("Duration as milliseconds should fit in a i32"),
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))
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.to_str()
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.expect("Response should always succeed to load to a &str")
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};
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let message_id: JsonResponse<MessageId> =
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serde_json::from_str(result).expect("JsonResponse should always succeed to deserialize");
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message_id.into()
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}
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/// Optionally sign, encrypt using symmetric encryption and publish a message using Waku Relay
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/// As per the [specification](https://rfc.vac.dev/spec/36/#extern-char-waku_relay_publish_enc_symmetricchar-messagejson-char-pubsubtopic-char-symmetrickey-char-optionalsigningkey-int-timeoutms)
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pub fn waku_relay_publish_encrypt_symmetric(
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message: &WakuMessage,
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pubsub_topic: Option<WakuPubSubTopic>,
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symmetric_key: &Key<Aes256Gcm>,
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signing_key: &SecretKey,
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timeout: Duration,
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) -> Result<MessageId> {
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let symk = hex::encode(symmetric_key.as_slice());
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let sk = hex::encode(signing_key.serialize());
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let pubsub_topic = pubsub_topic
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.unwrap_or_else(waku_dafault_pubsub_topic)
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.to_string();
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let result = unsafe {
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CStr::from_ptr(waku_sys::waku_relay_publish_enc_symmetric(
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CString::new(
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serde_json::to_string(&message)
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.expect("WakuMessages should always be able to success serializing"),
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)
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.expect("CString should build properly from the serialized waku message")
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.into_raw(),
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CString::new(pubsub_topic)
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.expect("CString should build properly from pubsub topic")
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.into_raw(),
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CString::new(symk)
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.expect("CString should build properly from hex encoded symmetric key")
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.into_raw(),
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CString::new(sk)
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.expect("CString should build properly from hex encoded signing key")
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.into_raw(),
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timeout
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.as_millis()
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.try_into()
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.expect("Duration as milliseconds should fit in a i32"),
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))
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.to_str()
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.expect("Response should always succeed to load to a &str")
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};
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let message_id: JsonResponse<MessageId> =
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serde_json::from_str(result).expect("JsonResponse should always succeed to deserialize");
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message_id.into()
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}
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pub fn waku_enough_peers(pubsub_topic: Option<WakuPubSubTopic>) -> Result<bool> {
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let pubsub_topic = pubsub_topic
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.unwrap_or_else(waku_dafault_pubsub_topic)
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.to_string();
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let result = unsafe {
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CStr::from_ptr(waku_sys::waku_relay_enough_peers(
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CString::new(pubsub_topic)
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.expect("CString should build properly from pubsub topic")
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.into_raw(),
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))
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}
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.to_str()
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.expect("Response should always succeed to load to a &str");
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let enough_peers: JsonResponse<bool> =
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serde_json::from_str(result).expect("JsonResponse should always succeed to deserialize");
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enough_peers.into()
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}
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pub fn waku_relay_subscribe(pubsub_topic: Option<WakuPubSubTopic>) -> Result<()> {
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let pubsub_topic = pubsub_topic
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.unwrap_or_else(waku_dafault_pubsub_topic)
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.to_string();
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let result = unsafe {
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CStr::from_ptr(waku_sys::waku_relay_subscribe(
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CString::new(pubsub_topic)
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.expect("CString should build properly from pubsub topic")
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.into_raw(),
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))
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}
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.to_str()
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.expect("Response should always succeed to load to a &str");
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let enough_peers: JsonResponse<bool> =
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serde_json::from_str(result).expect("JsonResponse should always succeed to deserialize");
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Result::from(enough_peers).map(|_| ())
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}
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pub fn waku_relay_unsubscribe(pubsub_topic: Option<WakuPubSubTopic>) -> Result<()> {
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let pubsub_topic = pubsub_topic
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.unwrap_or_else(waku_dafault_pubsub_topic)
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.to_string();
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let result = unsafe {
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CStr::from_ptr(waku_sys::waku_relay_unsubscribe(
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CString::new(pubsub_topic)
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.expect("CString should build properly from pubsub topic")
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.into_raw(),
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))
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}
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.to_str()
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.expect("Response should always succeed to load to a &str");
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let enough_peers: JsonResponse<bool> =
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serde_json::from_str(result).expect("JsonResponse should always succeed to deserialize");
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Result::from(enough_peers).map(|_| ())
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}
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