Remove the eip712 feature flag and have it enabled by default

ethers-contract/Cargo.toml

@@ -58,6 +58,3 @@ legacy = []
 
 rustls = ["ethers-contract-abigen/rustls"]
 openssl = ["ethers-contract-abigen/openssl"]
-
-# Deprecated
-eip712 = []

ethers-contract/tests/it/abigen.rs

@@ -667,7 +667,7 @@ fn can_generate_seaport_1_0() {
     assert_eq!(hex::encode(FulfillAdvancedOrderCall::selector()), "e7acab24");
 
     assert_codec::<SeaportErrors>();
-    let err = SeaportErrors::BadContractSignature(BadContractSignature::default());
+    let err = SeaportErrors::BadContractSignature(BadContractSignature);
 
     let encoded = err.clone().encode();
     assert_eq!(err, SeaportErrors::decode(encoded.clone()).unwrap());

ethers-core/Cargo.toml

@@ -70,6 +70,3 @@ rand.workspace = true
 celo = ["legacy"] # celo support extends the transaction format with extra fields
 legacy = []
 macros = ["syn", "cargo_metadata", "once_cell"]
-
-# Deprecated
-eip712 = []

ethers-core/README.md

@@ -10,10 +10,6 @@ other utilities for interacting with the Ethereum ecosystem
 
 For more information, please refer to the [book](https://gakonst.com/ethers-rs).
 
-## Feature flags
-
--   `eip712`: Provides the `Eip712` trait and derive procedural macro for EIP-712 encoding of typed data.
-
 ## ABI
 
 This crate re-exports the [`ethabi`](https://docs.rs/ethabi) crate's functions

ethers-core/src/types/serde_helpers.rs

@@ -301,7 +301,6 @@ mod tests {
     use crate::types::U256;
 
     #[test]
-    #[cfg(feature = "eip712")]
     fn test_deserialize_string_chain_id() {
         use crate::types::transaction::eip712::EIP712Domain;
 

ethers-core/src/types/signature.rs

@@ -69,7 +69,6 @@ impl fmt::Display for Signature {
     }
 }
 
-#[cfg(feature = "eip712")]
 impl Signature {
     /// Recovers the ethereum address which was used to sign a given EIP712
     /// typed data payload.

ethers-providers/src/rpc/transports/retry.rs

@@ -561,7 +561,7 @@ mod tests {
         let err: JsonRpcError = serde_json::from_str(s).unwrap();
         let err = ClientError::JsonRpcError(err);
 
-        let should_retry = HttpRateLimitRetryPolicy::default().should_retry(&err);
+        let should_retry = HttpRateLimitRetryPolicy.should_retry(&err);
         assert!(should_retry);
     }
 
@@ -574,7 +574,7 @@ mod tests {
             text: s.to_string(),
         };
 
-        let should_retry = HttpRateLimitRetryPolicy::default().should_retry(&err);
+        let should_retry = HttpRateLimitRetryPolicy.should_retry(&err);
         assert!(should_retry);
     }
 }