Merge pull request #440 from OffchainLabs/use-cloudflare-bn256

use cloudflare bn256 implementation also for wasm build

Author: eljobe

crypto/bn256/bn256_fast.go

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 
-//go:build amd64 || arm64
-// +build amd64 arm64
+//go:build amd64 || arm64 || wasm
+// +build amd64 arm64 wasm
 
 // Package bn256 implements the Optimal Ate pairing over a 256-bit Barreto-Naehrig curve.
 package bn256

crypto/bn256/bn256_slow.go

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be found
 // in the LICENSE file.
 
-//go:build !amd64 && !arm64
-// +build !amd64,!arm64
+//go:build !amd64 && !arm64 && !wasm
+// +build !amd64,!arm64,!wasm
 
 // Package bn256 implements the Optimal Ate pairing over a 256-bit Barreto-Naehrig curve.
 package bn256