fix: accept ethlive as a chain name (#2268)

* fix: accept ethlive as a chain name

* Fix mainnet chain formatting

* Drop unnecessary chain formatting tests

---------

Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Unreleased
 
+- Add support for `ethlive` as a chain name [#2268](https://github.com/gakonst/ethers-rs/pull/2268)
 - Make `Chain` more round-trip friendly [#2270](https://github.com/gakonst/ethers-rs/pull/2270)
 - Add `other: OtherFields` to `TransactionReceipt` [#2209](https://github.com/gakonst/ethers-rs/pull/2209)
 - Add `Signature::recover_typed_data` [#2120](https://github.com/gakonst/ethers-rs/pull/2120)

ethers-core/src/types/chain.rs

@@ -53,6 +53,7 @@ pub type ParseChainError = TryFromPrimitiveError<Chain>;
 #[strum(serialize_all = "kebab-case")]
 #[repr(u64)]
 pub enum Chain {
+    #[strum(serialize = "ethlive", serialize = "mainnet")]
     Mainnet = 1,
     Morden = 2,
     Ropsten = 3,