fix: various build errors (#54)

Author: wemeetagain

src/PublicKey.zig

@@ -77,7 +77,8 @@ pub fn deserialize(pk_in: []const u8) BlstError!Self {
         (pk_in.len == COMPRESS_SIZE and (pk_in[0] & 0x80) != 0))
     {
         var pk = Self{};
-        return c.blst_p1_deserialize(&pk.point, &pk_in[0]);
+        try errorFromInt(c.blst_p1_deserialize(&pk.point, &pk_in[0]));
+        return pk;
     }
 
     return BlstError.BadEncoding;

src/SecretKey.zig

@@ -80,7 +80,7 @@ pub fn keyGenV5(ikm: []const u8, salt: []const u8, info: ?[]const u8) BlstError!
         ikm.len,
         &salt[0],
         salt.len,
-        &info,
+        if (info) |i| i.ptr else null,
         if (info) |i| i.len else 0,
     );
     return sk;

src/Signature.zig

@@ -106,7 +106,7 @@ pub fn fastAggregateVerify(
     self: *const Self,
     sig_groupcheck: bool,
     buffer: *[Pairing.sizeOf()]u8,
-    msg: [32]u8,
+    msg: *const [32]u8,
     dst: []const u8,
     pks: []const PublicKey,
 ) BlstError!bool {
@@ -116,7 +116,7 @@ pub fn fastAggregateVerify(
     return try self.aggregateVerify(
         sig_groupcheck,
         buffer,
-        &[_][32]u8{msg},
+        @ptrCast(msg),
         dst,
         &[_]PublicKey{pk},
         false,
@@ -133,15 +133,14 @@ pub fn fastAggregateVerifyPreAggregated(
     msg: *const [32]u8,
     dst: []const u8,
     pk: *const PublicKey,
-) BlstError!void {
-    var msgs = [_][]const u8{msg};
-    var pks = [_]*const PublicKey{pk};
-    try self.aggregateVerify(
+) BlstError!bool {
+    const pks: [*]const PublicKey = @ptrCast(pk);
+    return try self.aggregateVerify(
         sig_groupcheck,
         buffer,
-        msgs[0..],
+        @ptrCast(msg),
         dst,
-        pks[0..],
+        pks[0..1],
         false,
     );
 }

src/root.zig

@@ -26,4 +26,10 @@ pub const DST = "BLS_SIG_BLS12381G2_XMD:SHA-256_SSWU_RO_POP_";
 
 test {
     testing.refAllDecls(@This());
+    testing.refAllDecls(Pairing);
+    testing.refAllDecls(SecretKey);
+    testing.refAllDecls(PublicKey);
+    testing.refAllDecls(Signature);
+    testing.refAllDecls(AggregatePublicKey);
+    testing.refAllDecls(AggregateSignature);
 }