farcaster_rs/casts/
publish_cast.rs

1use crate::constants::merkle::API_ROOT;
2use crate::types::casts::published_cast::PublishedCast;
3use crate::Farcaster;
4
5use serde_json::{json, Value};
6
7impl Farcaster {
8    /// Publish a cast to the protocol
9    /// ```no_run
10    /// use farcaster_rs::{Account, Farcaster};
11    ///
12    /// let account: Account = Account::from_mnemonic("mnemonic phrase", None).await?;
13    /// let farcaster: Farcaster = Farcaster::new("eth provider", account).await?;
14    ///
15    /// // Publish a cast.
16    /// // 1st Param: Content
17    /// // 2nd & 3rd Param: Parent Cast Hash & Parent User FID
18    ///     // Used for replying to a cast
19    /// let cast = farcaster.publish_cast("cast content", Some("optional parent hash to reply to"), Some(0)).await?;
20    /// ```
21    pub async fn publish_cast(
22        &self,
23        content: &str,
24        reply_to_hash: Option<&str>,
25        reply_to_fid: Option<i64>,
26    ) -> Result<PublishedCast, Box<dyn std::error::Error>> {
27        let payload: Value;
28
29        if reply_to_hash.is_some() && reply_to_fid.is_some() {
30            let parent_hash = reply_to_hash.unwrap();
31            let parent_fid = reply_to_fid.unwrap();
32
33            payload = json!({
34                "parent": {
35                    "hash": parent_hash,
36                    "fid": parent_fid
37                },
38                "text": content
39            })
40        } else {
41            payload = json!({ "text": content })
42        }
43
44        let publish_cast_reqwest = reqwest::Client::new()
45            .post(format!("{}/v2/casts", API_ROOT))
46            .header("Content-Type", "application/json")
47            .header(
48                "Authorization",
49                &self.account.session_token.as_ref().unwrap().secret,
50            )
51            .json(&payload)
52            .send()
53            .await?
54            .text()
55            .await?;
56
57        let published_cast: PublishedCast = serde_json::from_str(&publish_cast_reqwest)?;
58
59        Ok(published_cast)
60    }
61}
farcaster_rs/casts/publish_cast.rs

farcaster_rs/casts/
publish_cast.rs
