acta-maker-sdk 0.3.0

Rust SDK for Acta options market makers — WebSocket client, order signing, message types
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

use std::sync::Arc;

use crate::signing::{AsyncSignerLike, SigningError, sign_verified};
use crate::wire::encode_base58;
use crate::ws::types::HelloData;

use super::ManagedWsConfig;

pub type ChallengeSigner = Arc<dyn Fn(&str) -> Result<String, String> + Send + Sync>;

#[derive(Clone)]
pub(crate) enum ChallengeSigning {
    Local(ChallengeSigner),
    Async(Arc<dyn AsyncSignerLike>),
}

impl ChallengeSigning {
    pub(crate) async fn sign(&self, challenge: &str) -> Result<String, SigningError> {
        match self {
            Self::Local(signer) => signer(challenge).map_err(SigningError::new),
            Self::Async(signer) => sign_verified(signer.as_ref(), challenge.as_bytes())
                .await
                .map(|signature| encode_base58(&signature)),
        }
    }
}

impl ManagedWsConfig {
    /// Configure an asynchronous Ed25519 signer.
    #[must_use]
    pub fn new_async(
        url: impl Into<String>,
        hello: HelloData,
        signer: Arc<dyn AsyncSignerLike>,
    ) -> Self {
        let auth_pubkey = encode_base58(&signer.pubkey_bytes());
        Self::new_with_signing(url, hello, auth_pubkey, ChallengeSigning::Async(signer))
    }
}