celestia-client 0.2.0

Celestia client combining RPC and gRPC functionality.
Documentation 
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use std::sync::OnceLock;

use serde::{Deserialize, Serialize};
use tokio::sync::{Mutex, MutexGuard};

use crate::tx::{SigningKey, TxConfig};
use crate::types::state::{AccAddress, ValAddress};
use crate::Client;

pub(crate) const TEST_PRIV_KEY: &str = include_str!("../../ci/credentials/node-0.plaintext-key");
pub(crate) const TEST_RPC_URL: &str = "ws://localhost:26658";

#[cfg(not(target_arch = "wasm32"))]
pub(crate) const TEST_GRPC_URL: &str = "http://localhost:19090";

/// gRPC-Web url
#[cfg(target_arch = "wasm32")]
const TEST_GRPC_URL: &str = "http://localhost:18080";

// We have to sequence the tests which submits transactions.
// Multiple independent tx clients don't work well in parallel
// as they break each other's account.sequence
async fn node0_client() -> (MutexGuard<'static, ()>, Client) {
    static LOCK: OnceLock<Mutex<()>> = OnceLock::new();
    let lock = LOCK.get_or_init(|| Mutex::new(())).lock().await;

    let client = Client::builder()
        .rpc_url(TEST_RPC_URL)
        .grpc_url(TEST_GRPC_URL)
        .private_key_hex(TEST_PRIV_KEY)
        .build()
        .await
        .unwrap();

    (lock, client)
}

pub(crate) async fn new_rpc_only_client() -> Client {
    Client::builder()
        .rpc_url(TEST_RPC_URL)
        .build()
        .await
        .unwrap()
}

pub(crate) async fn new_read_only_client() -> Client {
    Client::builder()
        .rpc_url(TEST_RPC_URL)
        .grpc_url(TEST_GRPC_URL)
        .build()
        .await
        .unwrap()
}

pub(crate) async fn new_client() -> Client {
    let (_lock, client) = node0_client().await;

    let random_key = SigningKey::random(&mut rand::thread_rng());
    let random_acc = random_key.verifying_key().into();

    // Fund the account with 20000 utai
    client
        .state()
        .transfer(&random_acc, 20000, TxConfig::default())
        .await
        .unwrap();

    Client::builder()
        .rpc_url(TEST_RPC_URL)
        .grpc_url(TEST_GRPC_URL)
        .keypair(random_key)
        .build()
        .await
        .unwrap()
}

pub(crate) fn validator_address() -> ValAddress {
    let s = include_str!("../../ci/credentials/validator-0.valaddr");
    s.trim().parse().expect("invalid validator address")
}

pub(crate) fn node0_address() -> AccAddress {
    let s = include_str!("../../ci/credentials/node-0.addr");
    s.trim().parse().expect("invalid account address")
}

pub(crate) fn ensure_serializable_deserializable<'a, T: Serialize + Deserialize<'a>>(v: T) -> T {
    v
}
pub(crate) fn ensure_serializable<T: Serialize>(v: T) -> T {
    v
}