public-key: Fix equals to actually work (#13)

Author: joncinque

build.zig.zon

@@ -1,7 +1,7 @@
 .{
     .fingerprint = 0xdc47aff950fd68c0,
     .name = .solana_program_sdk,
-    .version = "0.16.1",
+    .version = "0.16.2",
     .minimum_zig_version = "0.14.0",
 
     // This field is optional.

src/public_key.zig

@@ -47,7 +47,7 @@ pub const PublicKey = extern struct {
     }
 
     pub fn equals(self: PublicKey, other: PublicKey) bool {
-        return self.bytes == other.bytes;
+        return std.mem.eql(u8, &self.bytes, &other.bytes);
     }
 
     pub fn isPointOnCurve(self: PublicKey) bool {
@@ -238,3 +238,10 @@ test "public_key: comptime find program address" {
     try testing.expectFmt("2PjSSVURwJV4o9wz1BDVwwddvcUCuF1NKFpcQBF9emYJ", "{}", .{pda.address});
     try comptime testing.expectEqual(@as(u8, 255), pda.bump_seed[0]);
 }
+
+test "public_key: equality" {
+    const id = comptime PublicKey.comptimeFromBase58("11111111111111111111111111111111");
+    const id2 = comptime PublicKey.comptimeFromBase58("11111111111111111111111111111111");
+    try testing.expectEqual(id, id2);
+    try testing.expect(id.equals(id2));
+}