Add support to Aurora network (#1535)

* Add support to Aurora network

Documentation about aurora chain:
https://doc.aurora.dev/getting-started/network-endpoints

* Update changelog

* Format code using rustfmt.toml

CHANGELOG.md

@@ -81,6 +81,7 @@
 - Add `From<H160>` and From<Vec<H160>> traits to `ValueOrArray<H160>` [#1199](https://github.com/gakonst/ethers-rs/pull/1200)
 - Fix handling of Websocket connection errors [#1287](https://github.com/gakonst/ethers-rs/pull/1287)
 - Add Arithmetic Shift Right operation for I256 [#1323](https://github.com/gakonst/ethers-rs/issues/1323)
+- [#1535](https://github.com/gakonst/ethers-rs/pull/1535) Add support to Aurora and Aurora testnet networks.
 
 ## ethers-contract-abigen
 

ethers-core/src/types/chain.rs

@@ -56,6 +56,8 @@ pub enum Chain {
     EmeraldTestnet = 42261,
     Evmos = 9001,
     EvmosTestnet = 9000,
+    Aurora = 1313161554,
+    AuroraTestnet = 1313161555,
 }
 
 impl fmt::Display for Chain {
@@ -97,6 +99,8 @@ impl fmt::Display for Chain {
             Chain::AnvilHardhat => "anvil-hardhat",
             Chain::Evmos => "evmos",
             Chain::EvmosTestnet => "evmos-testnet",
+            Chain::Aurora => "aurora",
+            Chain::AuroraTestnet => "aurora-testnet",
         };
 
         write!(formatter, "{}", chain)
@@ -162,6 +166,8 @@ impl TryFrom<u64> for Chain {
             42261 => Chain::EmeraldTestnet,
             9001 => Chain::Evmos,
             9000 => Chain::EvmosTestnet,
+            1313161554 => Chain::Aurora,
+            1313161555 => Chain::AuroraTestnet,
             _ => return Err(ParseChainError(chain.to_string())),
         })
     }
@@ -215,6 +221,8 @@ impl FromStr for Chain {
             "oasis" => Chain::Oasis,
             "emerald" => Chain::Emerald,
             "emerald-testnet" => Chain::EmeraldTestnet,
+            "aurora" => Chain::Aurora,
+            "aurora-testnet" => Chain::AuroraTestnet,
             _ => return Err(ParseChainError(chain.to_owned())),
         })
     }

ethers-etherscan/src/lib.rs

@@ -91,7 +91,9 @@ impl Client {
             Chain::Arbitrum |
             Chain::ArbitrumTestnet |
             Chain::Cronos |
-            Chain::CronosTestnet => std::env::var("ETHERSCAN_API_KEY")?,
+            Chain::CronosTestnet |
+            Chain::Aurora |
+            Chain::AuroraTestnet => std::env::var("ETHERSCAN_API_KEY")?,
             Chain::Fantom | Chain::FantomTestnet => {
                 std::env::var("FTMSCAN_API_KEY").or_else(|_| std::env::var("FANTOMSCAN_API_KEY"))?
             }