Remove frozen ABI modules from solana-sdk

Cargo.toml

@@ -16,6 +16,7 @@ members = [
     "dos",
     "download-utils",
     "faucet",
+    "frozen-abi",
     "perf",
     "validator",
     "genesis",

core/Cargo.toml

@@ -58,7 +58,8 @@ solana-net-utils = { path = "../net-utils", version = "1.5.0" }
 solana-perf = { path = "../perf", version = "1.5.0" }
 solana-runtime = { path = "../runtime", version = "1.5.0" }
 solana-sdk = { path = "../sdk", version = "1.5.0" }
-solana-sdk-macro-frozen-abi = { path = "../sdk/macro-frozen-abi", version = "1.5.0" }
+solana-frozen-abi = { path = "../frozen-abi", version = "1.5.0" }
+solana-frozen-abi-macro = { path = "../frozen-abi/macro", version = "1.5.0" }
 solana-stake-program = { path = "../programs/stake", version = "1.5.0" }
 solana-storage-bigtable = { path = "../storage-bigtable", version = "1.5.0" }
 solana-streamer = { path = "../streamer", version = "1.5.0" }

core/build.rs

@@ -1 +1 @@
-../sdk/build.rs
+../frozen-abi/build.rs

core/src/lib.rs

@@ -93,7 +93,7 @@ extern crate serde_json;
 extern crate solana_metrics;
 
 #[macro_use]
-extern crate solana_sdk_macro_frozen_abi;
+extern crate solana_frozen_abi_macro;
 
 #[cfg(test)]
 #[macro_use]

frozen-abi/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "solana-frozen-abi"
+version = "1.5.0"
+description = "Solana Frozen ABI"
+authors = ["Solana Maintainers <[email protected]>"]
+repository = "https://github.com/solana-labs/solana"
+homepage = "https://solana.com/"
+license = "Apache-2.0"
+edition = "2018"
+
+[dependencies]
+bs58 = "0.3.1"
+bv = { version = "0.11.1", features = ["serde"] }
+log = "0.4.8"
+serde = "1.0.112"
+serde_derive = "1.0.103"
+sha2 = "0.8.2"
+solana-frozen-abi-macro = { path = "macro", version = "1.5.0" }
+thiserror = "1.0"
+
+[target.'cfg(not(target_arch = "bpf"))'.dependencies]
+solana-logger = { path = "../logger", version = "1.5.0" }
+generic-array = { version = "0.14.3", default-features = false, features = ["serde", "more_lengths"]}
+memmap = "0.7.0"
+
+[build-dependencies]
+rustc_version = "0.2"

frozen-abi/build.rs

@@ -0,0 +1,27 @@
+extern crate rustc_version;
+use rustc_version::{version_meta, Channel};
+
+fn main() {
+    // Copied and adapted from
+    // https://github.com/Kimundi/rustc-version-rs/blob/1d692a965f4e48a8cb72e82cda953107c0d22f47/README.md#example
+    // Licensed under Apache-2.0 + MIT
+    match version_meta().unwrap().channel {
+        Channel::Stable => {
+            println!("cargo:rustc-cfg=RUSTC_WITHOUT_SPECIALIZATION");
+        }
+        Channel::Beta => {
+            println!("cargo:rustc-cfg=RUSTC_WITHOUT_SPECIALIZATION");
+        }
+        Channel::Nightly => {
+            println!("cargo:rustc-cfg=RUSTC_WITH_SPECIALIZATION");
+        }
+        Channel::Dev => {
+            println!("cargo:rustc-cfg=RUSTC_WITH_SPECIALIZATION");
+            // See https://github.com/solana-labs/solana/issues/11055
+            // We may be running the custom `rust-bpf-builder` toolchain,
+            // which currently needs `#![feature(proc_macro_hygiene)]` to
+            // be applied.
+            println!("cargo:rustc-cfg=RUSTC_NEEDS_PROC_MACRO_HYGIENE");
+        }
+    }
+}

sdk/macro-frozen-abi/Cargo.toml → frozen-abi/macro/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
-name = "solana-sdk-macro-frozen-abi"
+name = "solana-frozen-abi-macro"
 version = "1.5.0"
-description = "Solana SDK Macro frozen abi"
+description = "Solana Frozen ABI Macro"
 authors = ["Solana Maintainers <[email protected]>"]
 repository = "https://github.com/solana-labs/solana"
 homepage = "https://solana.com/"

sdk/macro-frozen-abi/src/lib.rs → frozen-abi/macro/src/lib.rs

@@ -167,7 +167,7 @@ fn derive_abi_sample_enum_type(input: ItemEnum) -> TokenStream {
         #injection
         #[automatically_derived]
         #( #attrs )*
-        impl #impl_generics ::solana_sdk::abi_example::AbiExample for #type_name #ty_generics #where_clause {
+        impl #impl_generics ::solana_frozen_abi::abi_example::AbiExample for #type_name #ty_generics #where_clause {
             fn example() -> Self {
                 ::log::info!(
                     "AbiExample for enum: {}",
@@ -221,13 +221,13 @@ fn derive_abi_sample_struct_type(input: ItemStruct) -> TokenStream {
         #injection
         #[automatically_derived]
         #( #attrs )*
-        impl #impl_generics ::solana_sdk::abi_example::AbiExample for #type_name #ty_generics #where_clause {
+        impl #impl_generics ::solana_frozen_abi::abi_example::AbiExample for #type_name #ty_generics #where_clause {
             fn example() -> Self {
                 ::log::info!(
                     "AbiExample for struct: {}",
                     std::any::type_name::<#type_name #ty_generics>()
                 );
-                use ::solana_sdk::abi_example::AbiExample;
+                use ::solana_frozen_abi::abi_example::AbiExample;
 
                 #type_name #turbofish #sample_fields
             }
@@ -272,11 +272,11 @@ fn do_derive_abi_enum_visitor(input: ItemEnum) -> TokenStream {
 
     let type_str = format!("{}", type_name);
     (quote! {
-        impl #impl_generics ::solana_sdk::abi_example::AbiEnumVisitor for #type_name #ty_generics #where_clause {
-            fn visit_for_abi(&self, digester: &mut ::solana_sdk::abi_digester::AbiDigester) -> ::solana_sdk::abi_digester::DigestResult {
+        impl #impl_generics ::solana_frozen_abi::abi_example::AbiEnumVisitor for #type_name #ty_generics #where_clause {
+            fn visit_for_abi(&self, digester: &mut ::solana_frozen_abi::abi_digester::AbiDigester) -> ::solana_frozen_abi::abi_digester::DigestResult {
                 let enum_name = #type_str;
                 use ::serde::ser::Serialize;
-                use ::solana_sdk::abi_example::AbiExample;
+                use ::solana_frozen_abi::abi_example::AbiExample;
                 digester.update_with_string(format!("enum {} (variants = {})", enum_name, #variant_count));
                 #serialized_variants
                 Ok(digester.create_child())
@@ -310,12 +310,12 @@ fn quote_for_test(
         #[cfg(test)]
         mod #test_mod_ident {
             use super::*;
-            use ::solana_sdk::abi_example::{AbiExample, AbiEnumVisitor};
+            use ::solana_frozen_abi::abi_example::{AbiExample, AbiEnumVisitor};
 
             #[test]
             fn test_abi_digest() {
                 ::solana_logger::setup();
-                let mut digester = ::solana_sdk::abi_digester::AbiDigester::create();
+                let mut digester = ::solana_frozen_abi::abi_digester::AbiDigester::create();
                 let example = <#type_name>::example();
                 let result = <_>::visit_for_abi(&&example, &mut digester);
                 let mut hash = digester.finalize();

sdk/src/abi_digester.rs → frozen-abi/src/abi_digester.rs

@@ -550,7 +550,7 @@ mod tests {
         test_field2: i8,
     }
 
-    #[frozen_abi(digest = "Hv597t4PieHYvgiXnwRSpKBRTWqteUS4nHZHY6ZxX69v")]
+    #[frozen_abi(digest = "GMeECsxg37a5qznstWXeeX3d6HXs6j12oB4SKaZZuNJk")]
     #[derive(Serialize, AbiExample)]
     struct TestNest {
         nested_field: [TestStruct; 5],
@@ -573,7 +573,7 @@ mod tests {
         VARIANT2(u8, u16),
     }
 
-    #[frozen_abi(digest = "CKxzv7VjyUrNR9fGJpTpKyMBWJM4gepKshCS8oV14T1Q")]
+    #[frozen_abi(digest = "DywMfwKq8HZCbUfTwnemHWMN8LvMZCvipQuLddQ2ywwG")]
     #[derive(Serialize, AbiExample)]
     struct TestVecEnum {
         enums: Vec<TestTupleVariant>,

sdk/src/abi_example.rs → frozen-abi/src/abi_example.rs

@@ -213,9 +213,9 @@ atomic_example_impls! { AtomicI64 }
 atomic_example_impls! { AtomicIsize }
 atomic_example_impls! { AtomicBool }
 
-#[cfg(feature = "everything")]
+#[cfg(not(target_arch = "bpf"))]
 use generic_array::{ArrayLength, GenericArray};
-#[cfg(feature = "everything")]
+#[cfg(not(target_arch = "bpf"))]
 impl<T: Default, U: ArrayLength<T>> AbiExample for GenericArray<T, U> {
     fn example() -> Self {
         Self::default()
@@ -413,14 +413,14 @@ impl<T: std::cmp::Ord + AbiExample> AbiExample for BTreeSet<T> {
     }
 }
 
-#[cfg(feature = "everything")]
+#[cfg(not(target_arch = "bpf"))]
 impl AbiExample for memmap::MmapMut {
     fn example() -> Self {
         memmap::MmapMut::map_anon(1).expect("failed to map the data file")
     }
 }
 
-#[cfg(feature = "everything")]
+#[cfg(not(target_arch = "bpf"))]
 impl AbiExample for std::path::PathBuf {
     fn example() -> Self {
         std::path::PathBuf::from(String::example())

frozen-abi/src/hash.rs

@@ -0,0 +1,28 @@
+use sha2::{Digest, Sha256};
+use std::{convert::TryFrom, fmt};
+
+const HASH_BYTES: usize = 32;
+#[derive(AbiExample)]
+pub struct Hash(pub [u8; HASH_BYTES]);
+
+#[derive(Default)]
+pub struct Hasher {
+    hasher: Sha256,
+}
+
+impl Hasher {
+    pub fn hash(&mut self, val: &[u8]) {
+        self.hasher.input(val);
+    }
+    pub fn result(self) -> Hash {
+        // At the time of this writing, the sha2 library is stuck on an old version
+        // of generic_array (0.9.0). Decouple ourselves with a clone to our version.
+        Hash(<[u8; HASH_BYTES]>::try_from(self.hasher.result().as_slice()).unwrap())
+    }
+}
+
+impl fmt::Display for Hash {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", bs58::encode(self.0).into_string())
+    }
+}

frozen-abi/src/lib.rs

@@ -0,0 +1,22 @@
+#![cfg_attr(RUSTC_WITH_SPECIALIZATION, feature(specialization))]
+#![cfg_attr(RUSTC_NEEDS_PROC_MACRO_HYGIENE, feature(proc_macro_hygiene))]
+
+// Allows macro expansion of `use ::solana_frozen_abi::*` to work within this crate
+extern crate self as solana_frozen_abi;
+
+#[cfg(RUSTC_WITH_SPECIALIZATION)]
+pub mod abi_digester;
+#[cfg(RUSTC_WITH_SPECIALIZATION)]
+pub mod abi_example;
+
+#[cfg(RUSTC_WITH_SPECIALIZATION)]
+mod hash;
+
+#[cfg(RUSTC_WITH_SPECIALIZATION)]
+#[macro_use]
+extern crate solana_frozen_abi_macro;
+
+#[cfg(RUSTC_WITH_SPECIALIZATION)]
+#[cfg(test)]
+#[macro_use]
+extern crate serde_derive;