taceo-nodes-common 0.8.2

Collection of common functions used by nodes in our MPC networks
Documentation
//! Utilities for testing nodes.

use std::sync::atomic::{AtomicU64, Ordering};

use alloy::{
    hex,
    node_bindings::AnvilInstance,
    primitives::{Address, Bytes, address},
    providers::{Provider, ProviderBuilder, ext::AnvilApi},
};
use axum_test::{TestServer, transport_layer::IntoTransportLayer};
use eyre::Context;
use sqlx::{Connection as _, Executor as _, PgConnection};
use testcontainers_modules::{
    postgres::Postgres,
    testcontainers::{ContainerAsync, runners::AsyncRunner as _},
};
use tokio::sync::OnceCell;

use crate::postgres::SanitizedSchema;

pub use axum_test;

/// Canonical Multicall3 address (same on all EVM chains).
const MULTICALL3_ADDR: Address = address!("0xca11bde05977b3631167028862be2a173976ca11");

/// Multicall3 runtime bytecode (from mainnet at 0xcA11bde05977b3631167028862bE2a173976CA11).
const MULTICALL3_BYTECODE: &str = "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";

/// Returns a unique schema name for one test (`test_0`, `test_1`, …).
#[allow(
    clippy::missing_panics_doc,
    reason = "synthesized schema is always valid"
)]
pub fn next_test_schema() -> SanitizedSchema {
    static SCHEMA_COUNTER: AtomicU64 = AtomicU64::new(0);
    let n = SCHEMA_COUNTER.fetch_add(1, Ordering::Relaxed);
    format!("test_{n}")
        .parse()
        .expect("synthesized schema is always valid")
}

/// Returns a new Postgres testcontainer and its connection string.
///
/// # Errors
///
/// Returns an error if the Postgres container could not be started
/// or if the connection string could not be constructed.
pub async fn postgres_testcontainer() -> eyre::Result<(ContainerAsync<Postgres>, String)> {
    let postgres_container = Postgres::default().start().await?;
    let connection_string = format!(
        "postgres://postgres:postgres@{}:{}/postgres",
        postgres_container.get_host().await?,
        postgres_container.get_host_port_ipv4(5432).await?
    );
    Ok((postgres_container, connection_string))
}

/// Returns a connection string to a process-wide shared Postgres container.
/// Started lazily on the first call; the container lives until process exit.
///
/// # Errors
///
/// Returns an error if the Postgres container could not be started.
pub async fn shared_postgres_testcontainer() -> eyre::Result<&'static str> {
    static SHARED_PG: OnceCell<(ContainerAsync<Postgres>, String)> = OnceCell::const_new();
    let shared = SHARED_PG
        .get_or_try_init(|| async {
            let (container, connection_string) = postgres_testcontainer().await?;
            eyre::Ok((container, connection_string))
        })
        .await?;
    Ok(&shared.1)
}

/// Wrapper function to get a random free port for tests without having to add the `reserve_port` crate directly.
///
/// # Errors
///
/// Returns an error if a free port could not be found or reserved.
pub fn random_port() -> eyre::Result<u16> {
    reserve_port::ReservedPort::random_permanently_reserved().context("while reserving port")
}

/// Returns a test server and its base URL for the given app.
///
/// # Panics
///
/// Panics if the test server could not be started.
pub fn test_server<A: IntoTransportLayer>(app: A) -> (TestServer, String) {
    let server = TestServer::builder().http_transport().build(app);
    let url = server
        .server_address()
        .expect("test server with http transport has address")
        .to_string()
        .trim_end_matches('/')
        .to_string();
    (server, url)
}

/// Creates a connection to the provided database and creates the
/// provided schema if it does not exist yet.
///
/// Useful when creating test-fixtures.
///
/// # Errors
/// If the creation of the schema fails for any reason (e.g,. DB connection issues)
pub async fn open_pg_connection(
    connection_string: &str,
    schema: &SanitizedSchema,
) -> eyre::Result<PgConnection> {
    let mut conn = PgConnection::connect(connection_string)
        .await
        .context("while opening PgConnection")?;

    conn.execute(format!("CREATE SCHEMA IF NOT EXISTS \"{schema}\"").as_ref())
        .await
        .context("TestUtils: cannot create schema")?;

    conn.execute(format!("SET search_path TO \"{schema}\"").as_ref())
        .await
        .context("TestUtils: cannot set search path of connection")?;
    Ok(conn)
}

/// Deploys the `Multicall3` contract on its canonical address `0xca11bde05977b3631167028862be2a173976ca11`.
///
/// # Errors
/// If the deployment failed for any reason.
pub async fn deploy_multicall3(anvil: &AnvilInstance) -> eyre::Result<()> {
    let provider = ProviderBuilder::new()
        .connect_http(anvil.endpoint_url())
        .erased();

    let bytecode = Bytes::from(hex::decode(MULTICALL3_BYTECODE)?);
    provider
        .anvil_set_code(MULTICALL3_ADDR, bytecode)
        .await
        .context("while deploying multicall3")
}