web3-proxy/web3_proxy/src/frontend/http_proxy.rs

use axum::extract::Path;
use axum::response::Response;
use axum::{http::StatusCode, response::IntoResponse, Extension, Json};
use axum_client_ip::ClientIp;
use std::sync::Arc;
use uuid::Uuid;

use super::errors::anyhow_error_into_response;
use super::rate_limit::RateLimitResult;
use crate::{app::Web3ProxyApp, jsonrpc::JsonRpcRequestEnum};

pub async fn public_proxy_web3_rpc(
    Json(payload): Json<JsonRpcRequestEnum>,
    Extension(app): Extension<Arc<Web3ProxyApp>>,
    ClientIp(ip): ClientIp,
) -> Response {
    let _ip = match app.rate_limit_by_ip(ip).await {
        Ok(x) => match x.try_into_response().await {
            Ok(RateLimitResult::AllowedIp(x)) => x,
            Err(err_response) => return err_response,
            _ => unimplemented!(),
        },
        Err(err) => return anyhow_error_into_response(None, None, err).into_response(),
    };

    match app.proxy_web3_rpc(payload).await {
        Ok(response) => (StatusCode::OK, Json(&response)).into_response(),
        Err(err) => anyhow_error_into_response(None, None, err).into_response(),
    }
}

pub async fn user_proxy_web3_rpc(
    Json(payload): Json<JsonRpcRequestEnum>,
    Extension(app): Extension<Arc<Web3ProxyApp>>,
    Path(user_key): Path<Uuid>,
) -> Response {
    let _user_id = match app.rate_limit_by_key(user_key).await {
        Ok(x) => match x.try_into_response().await {
            Ok(RateLimitResult::AllowedUser(x)) => x,
            Err(err_response) => return err_response,
            _ => unimplemented!(),
        },
        Err(err) => return anyhow_error_into_response(None, None, err).into_response(),
    };

    match app.proxy_web3_rpc(payload).await {
        Ok(response) => (StatusCode::OK, Json(&response)).into_response(),
        Err(err) => anyhow_error_into_response(None, None, err),
    }
}