nautilus_blockchain/rpc/
providers.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 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    if let Ok(infura_api_key) = std::env::var("INFURA_API_KEY") {
20        return match chain {
21            Blockchain::Ethereum => Some(format!("https://mainnet.infura.io/v3/{infura_api_key}")),
22            Blockchain::Polygon => Some(format!(
23                "https://polygon-mainnet.infura.io/v3/{infura_api_key}"
24            )),
25            Blockchain::Base => Some(format!(
26                "https://base-mainnet.infura.io/v3/{infura_api_key}"
27            )),
28            Blockchain::Optimism => Some(format!(
29                "https://optimism-mainnet.infura.io/v3/{infura_api_key}"
30            )),
31            Blockchain::Arbitrum => Some(format!(
32                "https://arbitrum-mainnet.infura.io/v3/{infura_api_key}"
33            )),
34            _ => None, // We can specify other chains here
35        };
36    }
37
38    None
39}
nautilus_blockchain/rpc/providers.rs

nautilus_blockchain/rpc/
providers.rs
