Delete milagro library

.github/workflows/test-suite.yml

@@ -211,7 +211,7 @@ jobs:
           channel: stable
           cache-target: release
           bins: cargo-nextest
-    - name: Run consensus-spec-tests with blst, milagro and fake_crypto
+    - name: Run consensus-spec-tests with blst and fake_crypto
       run: make nextest-ef
     - name: Show cache stats
       if: env.SELF_HOSTED_RUNNERS == 'true'

Makefile

@@ -143,15 +143,13 @@ run-ef-tests:
 	rm -rf $(EF_TESTS)/.accessed_file_log.txt
 	cargo test --release -p ef_tests --features "ef_tests,$(EF_TEST_FEATURES)"
 	cargo test --release -p ef_tests --features "ef_tests,$(EF_TEST_FEATURES),fake_crypto"
-	cargo test --release -p ef_tests --features "ef_tests,$(EF_TEST_FEATURES),milagro"
 	./$(EF_TESTS)/check_all_files_accessed.py $(EF_TESTS)/.accessed_file_log.txt $(EF_TESTS)/consensus-spec-tests
 
 # Runs EF test vectors with nextest
 nextest-run-ef-tests:
 	rm -rf $(EF_TESTS)/.accessed_file_log.txt
 	cargo nextest run --release -p ef_tests --features "ef_tests,$(EF_TEST_FEATURES)"
 	cargo nextest run --release -p ef_tests --features "ef_tests,$(EF_TEST_FEATURES),fake_crypto"
-	cargo nextest run --release -p ef_tests --features "ef_tests,$(EF_TEST_FEATURES),milagro"
 	./$(EF_TESTS)/check_all_files_accessed.py $(EF_TESTS)/.accessed_file_log.txt $(EF_TESTS)/consensus-spec-tests
 
 # Run the tests in the `beacon_chain` crate for all known forks.

consensus/types/src/attestation.rs

@@ -125,7 +125,7 @@ mod tests {
     // Check the in-memory size of an `Attestation`, which is useful for reasoning about memory
     // and preventing regressions.
     //
-    // This test will only pass with `blst`, if we run these tests with Milagro or another
+    // This test will only pass with `blst`, if we run these tests with another
     // BLS library in future we will have to make it generic.
     #[test]
     fn size_of() {

crypto/bls/Cargo.toml

@@ -7,7 +7,6 @@ edition = { workspace = true }
 [dependencies]
 ethereum_ssz = { workspace = true }
 tree_hash = { workspace = true }
-milagro_bls = { git = "https://github.com/sigp/milagro_bls", tag = "v1.5.1", optional = true }
 rand = { workspace = true }
 serde = { workspace = true }
 ethereum_serde_utils = { workspace = true }
@@ -22,7 +21,6 @@ blst = { version = "0.3.3", optional = true }
 arbitrary = []
 default = ["supranational"]
 fake_crypto = []
-milagro = ["milagro_bls"]
 supranational = ["blst"]
 supranational-portable = ["supranational", "blst/portable"]
 supranational-force-adx = ["supranational", "blst/force-adx"]

crypto/bls/src/impls/mod.rs

@@ -1,5 +1,3 @@
 #[cfg(feature = "supranational")]
 pub mod blst;
 pub mod fake_crypto;
-#[cfg(feature = "milagro")]
-pub mod milagro;

crypto/bls/src/lib.rs

@@ -9,15 +9,13 @@
 //! are supported via compile-time flags. There are three backends supported via features:
 //!
 //! - `supranational`: the pure-assembly, highly optimized version from the `blst` crate.
-//! - `milagro`: the classic pure-Rust `milagro_bls` crate.
 //! - `fake_crypto`: an always-returns-valid implementation that is only useful for testing
 //!     scenarios which intend to *ignore* real cryptography.
 //!
 //! This crate uses traits to reduce code-duplication between the two implementations. For example,
 //! the `GenericPublicKey` struct exported from this crate is generic across the `TPublicKey` trait
 //! (i.e., `PublicKey<TPublicKey>`). `TPublicKey` is implemented by all three backends (see the
-//! `impls.rs` module). When compiling with the `milagro` feature, we export
-//! `type PublicKey = GenericPublicKey<milagro::PublicKey>`.
+//! `impls.rs` module).
 
 #[macro_use]
 mod macros;
@@ -43,16 +41,11 @@ pub use zeroize_hash::ZeroizeHash;
 
 #[cfg(feature = "supranational")]
 use blst::BLST_ERROR as BlstError;
-#[cfg(feature = "milagro")]
-use milagro_bls::AmclError;
 
 pub type Hash256 = ethereum_types::H256;
 
 #[derive(Clone, Debug, PartialEq)]
 pub enum Error {
-    /// An error was raised from the Milagro BLS library.
-    #[cfg(feature = "milagro")]
-    MilagroError(AmclError),
     /// An error was raised from the Supranational BLST BLS library.
     #[cfg(feature = "supranational")]
     BlstError(BlstError),
@@ -66,13 +59,6 @@ pub enum Error {
     InvalidZeroSecretKey,
 }
 
-#[cfg(feature = "milagro")]
-impl From<AmclError> for Error {
-    fn from(e: AmclError) -> Error {
-        Error::MilagroError(e)
-    }
-}
-
 #[cfg(feature = "supranational")]
 impl From<BlstError> for Error {
     fn from(e: BlstError) -> Error {
@@ -94,8 +80,7 @@ pub mod generics {
 }
 
 /// Defines all the fundamental BLS points which should be exported by this crate by making
-/// concrete the generic type parameters using the points from some external BLS library (e.g.,
-/// Milagro, BLST).
+/// concrete the generic type parameters using the points from some external BLS library (e.g.,BLST).
 macro_rules! define_mod {
     ($name: ident, $mod: path) => {
         pub mod $name {
@@ -139,8 +124,6 @@ macro_rules! define_mod {
     };
 }
 
-#[cfg(feature = "milagro")]
-define_mod!(milagro_implementations, crate::impls::milagro::types);
 #[cfg(feature = "supranational")]
 define_mod!(blst_implementations, crate::impls::blst::types);
 #[cfg(feature = "fake_crypto")]
@@ -149,14 +132,7 @@ define_mod!(
     crate::impls::fake_crypto::types
 );
 
-#[cfg(all(feature = "milagro", not(feature = "fake_crypto"),))]
-pub use milagro_implementations::*;
-
-#[cfg(all(
-    feature = "supranational",
-    not(feature = "fake_crypto"),
-    not(feature = "milagro")
-))]
+#[cfg(all(feature = "supranational", not(feature = "fake_crypto"),))]
 pub use blst_implementations::*;
 
 #[cfg(feature = "fake_crypto")]

crypto/bls/tests/tests.rs

@@ -509,8 +509,3 @@ macro_rules! test_suite {
 mod blst {
     test_suite!(blst_implementations);
 }
-
-#[cfg(all(feature = "milagro", not(debug_assertions)))]
-mod milagro {
-    test_suite!(milagro_implementations);
-}

lighthouse/Cargo.toml

@@ -14,8 +14,6 @@ write_ssz_files = ["beacon_node/write_ssz_files"]
 portable = ["bls/supranational-portable"]
 # Compiles BLST so that it always uses ADX instructions.
 modern = ["bls/supranational-force-adx"]
-# Uses the slower Milagro BLS library, which is written in native Rust.
-milagro = ["bls/milagro"]
 # Support minimal spec (used for testing only).
 spec-minimal = []
 # Support Gnosis spec and Gnosis Beacon Chain.

lighthouse/src/main.rs

@@ -23,8 +23,6 @@ fn bls_library_name() -> &'static str {
         "blst-portable"
     } else if cfg!(feature = "modern") {
         "blst-modern"
-    } else if cfg!(feature = "milagro") {
-        "milagro"
     } else {
         "blst"
     }