nautilus_blockchain/rpc/
providers.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3//  https://nautechsystems.io
4//
5//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6//  You may not use this file except in compliance with the License.
7//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9//  Unless required by applicable law or agreed to in writing, software
10//  distributed under the License is distributed on an "AS IS" BASIS,
11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//  See the License for the specific language governing permissions and
13//  limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use nautilus_model::defi::Blockchain;
17
18pub fn check_infura_rpc_provider(chain: &Blockchain) -> Option<String> {
19    let infura_api_key = std::env::var("INFURA_API_KEY").ok()?;
20
21    match chain {
22        Blockchain::Ethereum => Some(format!("https://mainnet.infura.io/v3/{infura_api_key}")),
23        Blockchain::Polygon => Some(format!(
24            "https://polygon-mainnet.infura.io/v3/{infura_api_key}"
25        )),
26        Blockchain::Base => Some(format!(
27            "https://base-mainnet.infura.io/v3/{infura_api_key}"
28        )),
29        Blockchain::Optimism => Some(format!(
30            "https://optimism-mainnet.infura.io/v3/{infura_api_key}"
31        )),
32        Blockchain::Arbitrum => Some(format!(
33            "https://arbitrum-mainnet.infura.io/v3/{infura_api_key}"
34        )),
35        Blockchain::Bsc => Some(format!("https://bsc-mainnet.infura.io/v3/{infura_api_key}")),
36        _ => None, // We can specify other chains here
37    }
38}
nautilus_blockchain/rpc/providers.rs

nautilus_blockchain/rpc/
providers.rs
