chore: add celo chain (#1932)

* add celo chain

* add missing chain case

* clippy & fmt

ethers-contract/ethers-contract-abigen/src/source.rs

@@ -349,8 +349,7 @@ mod tests {
         assert_eq!(parsed, Source::String(src.to_owned()));
 
         let hardhat_src = format!(
-            r#"{{"_format": "hh-sol-artifact-1", "contractName": "Verifier", "sourceName": "contracts/verifier.sol", "abi": {}, "bytecode": "0x", "deployedBytecode": "0x", "linkReferences": {{}}, "deployedLinkReferences": {{}}}}"#,
-            src,
+            r#"{{"_format": "hh-sol-artifact-1", "contractName": "Verifier", "sourceName": "contracts/verifier.sol", "abi": {src}, "bytecode": "0x", "deployedBytecode": "0x", "linkReferences": {{}}, "deployedLinkReferences": {{}}}}"#,
         );
         let hardhat_parsed = Source::parse(&hardhat_src).unwrap();
         assert_eq!(hardhat_parsed, Source::String(hardhat_src));

ethers-core/src/types/chain.rs

@@ -69,6 +69,9 @@ pub enum Chain {
     Sepolia = 11155111,
     Aurora = 1313161554,
     AuroraTestnet = 1313161555,
+    Celo = 42220,
+    CeloAlfajores = 44787,
+    CeloBaklava = 62320,
 }
 
 // === impl Chain ===
@@ -117,6 +120,9 @@ impl fmt::Display for Chain {
             Chain::EvmosTestnet => "evmos-testnet",
             Chain::Aurora => "aurora",
             Chain::AuroraTestnet => "aurora-testnet",
+            Chain::Celo => "celo",
+            Chain::CeloAlfajores => "celo-alfajores",
+            Chain::CeloBaklava => "celo-baklava",
         };
 
         f.pad(chain)
@@ -195,6 +201,9 @@ impl TryFrom<u64> for Chain {
             9000 => Chain::EvmosTestnet,
             1313161554 => Chain::Aurora,
             1313161555 => Chain::AuroraTestnet,
+            42220 => Chain::Celo,
+            44787 => Chain::CeloAlfajores,
+            62320 => Chain::CeloBaklava,
             _ => return Err(ParseChainError(chain.to_string())),
         })
     }
@@ -255,6 +264,9 @@ impl FromStr for Chain {
             "emerald-testnet" => Chain::EmeraldTestnet,
             "aurora" => Chain::Aurora,
             "aurora-testnet" => Chain::AuroraTestnet,
+            "celo" => Chain::Celo,
+            "celo-alfajores" => Chain::CeloAlfajores,
+            "celo-baklava" => Chain::CeloBaklava,
             _ => return Err(ParseChainError(chain.to_owned())),
         })
     }
@@ -293,6 +305,7 @@ impl Chain {
             Chain::Oasis => 5_500,
             Chain::Emerald => 6_000,
             Chain::Dev | Chain::AnvilHardhat => 200,
+            Chain::Celo | Chain::CeloAlfajores | Chain::CeloBaklava => 5_000,
             // Explictly handle all network to make it easier not to forget this match when new
             // networks are added.
             Chain::Morden |
@@ -411,6 +424,15 @@ impl Chain {
             }
             Chain::Evmos => ("https://evm.evmos.org/api", "https://evm.evmos.org/"),
             Chain::EvmosTestnet => ("https://evm.evmos.dev/api", "https://evm.evmos.dev/"),
+            Chain::Celo => {
+                ("https://explorer.celo.org/mainnet", "https://explorer.celo.org/mainnet/api")
+            }
+            Chain::CeloAlfajores => {
+                ("https://explorer.celo.org/alfajores", "https://explorer.celo.org/alfajores/api")
+            }
+            Chain::CeloBaklava => {
+                ("https://explorer.celo.org/baklava", "https://explorer.celo.org/baklava/api")
+            }
             Chain::AnvilHardhat | Chain::Dev | Chain::Morden | Chain::MoonbeamDev => {
                 // this is explicitly exhaustive so we don't forget to add new urls when adding a
                 // new chain
@@ -440,7 +462,10 @@ impl Chain {
                 Chain::Rsk |
                 Chain::Oasis |
                 Chain::Emerald |
-                Chain::EmeraldTestnet,
+                Chain::EmeraldTestnet |
+                Chain::Celo |
+                Chain::CeloAlfajores |
+                Chain::CeloBaklava,
         )
     }
 }

ethers-etherscan/src/lib.rs

@@ -98,7 +98,10 @@ impl Client {
             Chain::Cronos |
             Chain::CronosTestnet |
             Chain::Aurora |
-            Chain::AuroraTestnet => std::env::var("ETHERSCAN_API_KEY")?,
+            Chain::AuroraTestnet |
+            Chain::Celo |
+            Chain::CeloAlfajores |
+            Chain::CeloBaklava => std::env::var("ETHERSCAN_API_KEY")?,
             Chain::Fantom | Chain::FantomTestnet => {
                 std::env::var("FTMSCAN_API_KEY").or_else(|_| std::env::var("FANTOMSCAN_API_KEY"))?
             }

examples/gas_price_usd.rs

@@ -39,10 +39,9 @@ async fn main() -> Result<(), Box<dyn Error>> {
         r#"
         Gas price
         ---------------
-        {:>10.2} gwei
-        {:>10.8} usd
-        "#,
-        gwei, usd_per_gas
+        {gwei:>10.2} gwei
+        {usd_per_gas:>10.8} usd
+        "#
     );
     Ok(())
 }

examples/paginated_logs.rs

@@ -1,4 +1,4 @@
-use ethers::{abi::AbiDecode, prelude::*, providers::Middleware, utils::keccak256};
+use ethers::{abi::AbiDecode, prelude::*, providers::Middleware};
 use eyre::Result;
 use std::sync::Arc;
 

examples/subscribe_events_by_type.rs

@@ -37,8 +37,8 @@ async fn main() -> Result<(), Box<dyn Error>> {
 
     // Note that `log` has type AnswerUpdatedFilter
     while let Some(Ok((log, meta))) = stream.next().await {
-        println!("{:?}", log);
-        println!("{:?}", meta)
+        println!("{log:?}");
+        println!("{meta:?}")
     }
 
     Ok(())

examples/subscribe_logs.rs

@@ -1,4 +1,4 @@
-use ethers::{abi::AbiDecode, prelude::*, utils::keccak256};
+use ethers::{abi::AbiDecode, prelude::*};
 use eyre::Result;
 use std::sync::Arc;