extract validator-exit crate (#3895)

* extract validator-exit crate

* fmt

* update lock files

Cargo.toml

@@ -192,6 +192,7 @@ members = [
     "sdk/transaction",
     "sdk/transaction-context",
     "sdk/transaction-error",
+    "sdk/validator-exit",
     "send-transaction-service",
     "stake-accounts",
     "storage-bigtable",
@@ -611,6 +612,7 @@ solana-transaction-metrics-tracker = { path = "transaction-metrics-tracker", ver
 solana-turbine = { path = "turbine", version = "=2.2.0" }
 solana-type-overrides = { path = "type-overrides", version = "=2.2.0" }
 solana-udp-client = { path = "udp-client", version = "=2.2.0" }
+solana-validator-exit = { path = "sdk/validator-exit", version = "=2.2.0" }
 solana-version = { path = "version", version = "=2.2.0" }
 solana-vote = { path = "vote", version = "=2.2.0" }
 solana-vote-program = { path = "programs/vote", version = "=2.2.0" }

sdk/Cargo.toml

@@ -201,6 +201,7 @@ solana-transaction-context = { workspace = true, features = ["bincode"] }
 solana-transaction-error = { workspace = true, features = [
     "serde",
 ], optional = true }
+solana-validator-exit = { workspace = true }
 thiserror = { workspace = true }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]

sdk/src/lib.rs

@@ -65,7 +65,6 @@ pub use solana_signer::signers;
 pub mod entrypoint;
 pub mod entrypoint_deprecated;
 pub mod example_mocks;
-pub mod exit;
 pub mod feature;
 pub mod genesis_config;
 #[cfg(feature = "full")]
@@ -233,6 +232,8 @@ pub use solana_transaction::simple_vote_transaction_checker;
     note = "Use `solana-transaction-context` crate instead"
 )]
 pub use solana_transaction_context as transaction_context;
+#[deprecated(since = "2.2.0", note = "Use `solana-validator-exit` crate instead")]
+pub use solana_validator_exit as exit;
 
 /// Convenience macro for `AddAssign` with saturating arithmetic.
 /// Replace by `std::num::Saturating` once stable

sdk/validator-exit/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "solana-validator-exit"
+description = "Solana validator exit handling."
+documentation = "https://docs.rs/solana-validator-exit"
+version = { workspace = true }
+authors = { workspace = true }
+repository = { workspace = true }
+homepage = { workspace = true }
+license = { workspace = true }
+edition = { workspace = true }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[lints]
+workspace = true