extract fee-structure crate

Cargo.toml

@@ -114,6 +114,7 @@ members = [
     "sdk/epoch-schedule",
     "sdk/feature-set",
     "sdk/fee-calculator",
+    "sdk/fee-structure",
     "sdk/gen-headers",
     "sdk/hash",
     "sdk/instruction",
@@ -419,6 +420,7 @@ solana-epoch-schedule = { path = "sdk/epoch-schedule", version = "=2.1.0" }
 solana-faucet = { path = "faucet", version = "=2.1.0" }
 solana-feature-set = { path = "sdk/feature-set", version = "=2.1.0" }
 solana-fee-calculator = { path = "sdk/fee-calculator", version = "=2.1.0" }
+solana-fee-structure = { path = "sdk/fee-structure", version = "=2.1.0" }
 solana-fee = { path = "fee", version = "=2.1.0" }
 solana-frozen-abi = { path = "frozen-abi", version = "=2.1.0" }
 solana-frozen-abi-macro = { path = "frozen-abi/macro", version = "=2.1.0" }

sdk/fee-structure/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "solana-fee-structure"
+description = "Solana fee structures."
+documentation = "https://docs.rs/solana-fee-structure"
+version = { workspace = true }
+authors = { workspace = true }
+repository = { workspace = true }
+homepage = { workspace = true }
+license = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+serde = { workspace = true, optional = true }
+serde_derive = { workspace = true, optional = true }
+solana-native-token = { workspace = true }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[target.'cfg(not(target_os = "solana"))'.dependencies]
+solana-program = { workspace = true, default-features = false }
+
+[features]
+serde = ["dep:serde", "dep:serde_derive"]
+
+[lints]
+workspace = true

sdk/src/fee.rs → sdk/fee-structure/src/lib.rs

@@ -31,7 +31,11 @@ pub struct FeeStructure {
     pub compute_fee_bins: Vec<FeeBin>,
 }
 
-#[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Deserialize, Serialize)]
+#[cfg_attr(
+    feature = "serde",
+    derive(serde_derive::Deserialize, serde_derive::Serialize)
+)]
+#[derive(Debug, Default, Clone, Copy, Eq, PartialEq)]
 pub struct FeeDetails {
     transaction_fee: u64,
     prioritization_fee: u64,

sdk/src/lib.rs

@@ -70,7 +70,6 @@ pub mod epoch_rewards_hasher;
 pub mod example_mocks;
 pub mod exit;
 pub mod feature;
-pub mod fee;
 pub mod genesis_config;
 pub mod hard_forks;
 pub mod hash;
@@ -120,6 +119,8 @@ pub use solana_decode_error as decode_error;
 pub use solana_derivation_path as derivation_path;
 #[deprecated(since = "2.1.0", note = "Use `solana-feature-set` crate instead")]
 pub use solana_feature_set as feature_set;
+#[deprecated(since = "2.1.0", note = "Use `solana-fee-structure` crate instead")]
+pub use solana_fee_structure as fee;
 #[deprecated(since = "2.1.0", note = "Use `solana-program-memory` crate instead")]
 pub use solana_program_memory as program_memory;
 #[deprecated(since = "2.1.0", note = "Use `solana_pubkey::pubkey` instead")]