refactor: move shuffle into swap_or_not_shuffle module

.github/workflows/CI.yml

@@ -84,6 +84,9 @@ jobs:
       - name: Run bls tests
         run: |
           zig build test:bls
+      - name: Run swap-or-not-shuffle tests
+        run: |
+          zig build test:swap_or_not_shuffle
       - name: Run state-transition tests
         run: |
           zig build test:state_transition

bindings/napi/shuffle.zig

@@ -1,5 +1,5 @@
 const js = @import("zapi:zapi").js;
-const stInnerShuffleList = @import("state_transition").shuffle.innerShuffleList;
+const stInnerShuffleList = @import("swap_or_not_shuffle").innerShuffleList;
 
 pub fn innerShuffleList(list: js.Uint32Array, seed: js.Uint8Array, rounds: js.Number, forwards: js.Boolean) !void {
     const list_u32 = try list.toSlice();

build.zig.zon

@@ -185,10 +185,14 @@
             .root_source_file = "src/bls/root.zig",
             .imports = .{.blst},
         },
+        .swap_or_not_shuffle = .{
+            .root_source_file = "src/swap_or_not_shuffle/root.zig",
+        },
         .state_transition = .{
             .root_source_file = "src/state_transition/root.zig",
             .imports = .{
                 .build_options,
+                .swap_or_not_shuffle,
                 .ssz,
                 .config,
                 .consensus_types,
@@ -353,6 +357,7 @@
                     .bls,
                     .bls_options,
                     .cpu_count,
+                    .swap_or_not_shuffle,
                     .hex,
                     .persistent_merkle_tree,
                     .ssz,
@@ -385,6 +390,7 @@
         .config = .{ .root_module = .config },
         .fork_types = .{ .root_module = .fork_types },
         .bls = .{ .root_module = .bls },
+        .swap_or_not_shuffle = .{ .root_module = .swap_or_not_shuffle },
         .state_transition = .{ .root_module = .state_transition },
         .era = .{ .root_module = .era },
         .fork_choice = .{ .root_module = .fork_choice },

src/state_transition/root.zig

@@ -18,7 +18,6 @@ pub const buildSlashingsCacheFromStateIfNeeded = @import("./cache/slashings_cach
 pub const EpochCacheImmutableData = @import("./cache/epoch_cache.zig").EpochCacheImmutableData;
 pub const EpochCache = @import("./cache/epoch_cache.zig").EpochCache;
 
-pub const shuffle = @import("./utils/shuffle.zig");
 pub const committee_indices = @import("./utils/committee_indices.zig");
 pub const PubkeyCache = @import("./cache/pubkey_cache.zig").PubkeyCache;
 pub const pkix = @import("./cache/pkix.zig");

src/state_transition/utils/epoch_shuffling.zig

@@ -6,7 +6,7 @@ const preset = @import("preset").preset;
 const AnyBeaconState = @import("fork_types").AnyBeaconState;
 const getSeed = @import("./seed.zig").getSeed;
 const c = @import("constants");
-const innerShuffleList = @import("./shuffle.zig").innerShuffleList;
+const innerShuffleList = @import("swap_or_not_shuffle").innerShuffleList;
 const Epoch = types.primitive.Epoch.Type;
 const computeStartSlotAtEpoch = @import("./epoch.zig").computeStartSlotAtEpoch;
 const getBlockRootAtSlot = @import("./block_root.zig").getBlockRootAtSlot;

src/state_transition/utils_test_root.zig

@@ -24,7 +24,6 @@ test "state_transition utils" {
     _ = @import("utils/pubkey_index_map.zig");
     _ = @import("utils/ref_count.zig");
     _ = @import("utils/seed.zig");
-    _ = @import("utils/shuffle.zig");
     _ = @import("utils/signature_sets.zig");
     _ = @import("utils/signing_root.zig");
     _ = @import("utils/sync_committee.zig");