all: add go:build lines (#23468)

Generated by go1.17 fmt ./...

crypto/blake2b/blake2bAVX2_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.7 && amd64 && !gccgo && !appengine
 // +build go1.7,amd64,!gccgo,!appengine
 
 package blake2b

crypto/blake2b/blake2b_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !go1.7 && amd64 && !gccgo && !appengine
 // +build !go1.7,amd64,!gccgo,!appengine
 
 package blake2b

crypto/blake2b/blake2b_f_fuzz.go

@@ -1,3 +1,4 @@
+//go:build gofuzz
 // +build gofuzz
 
 package blake2b

crypto/blake2b/blake2b_ref.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !amd64 || appengine || gccgo
 // +build !amd64 appengine gccgo
 
 package blake2b

crypto/blake2b/register.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.9
 // +build go1.9
 
 package blake2b

crypto/bls12381/arithmetic_decl.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build (amd64 && blsasm) || (amd64 && blsadx)
 // +build amd64,blsasm amd64,blsadx
 
 package bls12381

crypto/bls12381/arithmetic_fallback.go

@@ -31,6 +31,7 @@
 
 // Package bls (generated by goff) contains field arithmetics operations
 
+//go:build !amd64 || (!blsasm && !blsadx)
 // +build !amd64 !blsasm,!blsadx
 
 package bls12381

crypto/bls12381/arithmetic_x86_adx.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build amd64 && blsadx
 // +build amd64,blsadx
 
 package bls12381

crypto/bls12381/arithmetic_x86_noadx.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build amd64 && blsasm
 // +build amd64,blsasm
 
 package bls12381

crypto/bn256/bn256_fast.go

@@ -2,6 +2,7 @@
 // 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
 
 // Package bn256 implements the Optimal Ate pairing over a 256-bit Barreto-Naehrig curve.

crypto/bn256/bn256_slow.go

@@ -2,6 +2,7 @@
 // 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
 
 // Package bn256 implements the Optimal Ate pairing over a 256-bit Barreto-Naehrig curve.

crypto/bn256/cloudflare/gfp_decl.go

@@ -1,3 +1,4 @@
+//go:build (amd64 && !generic) || (arm64 && !generic)
 // +build amd64,!generic arm64,!generic
 
 package bn256

crypto/bn256/cloudflare/gfp_generic.go

@@ -1,3 +1,4 @@
+//go:build (!amd64 && !arm64) || generic
 // +build !amd64,!arm64 generic
 
 package bn256

crypto/secp256k1/dummy.go

@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // This file is part of a workaround for `go mod vendor` which won't vendor

crypto/secp256k1/panic_cb.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.
 
-// +build !gofuzz
-// +build cgo
+//go:build !gofuzz && cgo
+// +build !gofuzz,cgo
 
 package secp256k1
 

crypto/secp256k1/scalar_mult_cgo.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.
 
-// +build !gofuzz
-// +build cgo
+//go:build !gofuzz && cgo
+// +build !gofuzz,cgo
 
 package secp256k1
 

crypto/secp256k1/scalar_mult_nocgo.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
+//go:build gofuzz || !cgo
 // +build gofuzz !cgo
 
 package secp256k1

crypto/secp256k1/secp256.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.
 
-// +build !gofuzz
-// +build cgo
+//go:build !gofuzz && cgo
+// +build !gofuzz,cgo
 
 // Package secp256k1 wraps the bitcoin secp256k1 C library.
 package secp256k1

crypto/signature_cgo.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build !nacl && !js && cgo && !gofuzz
 // +build !nacl,!js,cgo,!gofuzz
 
 package crypto

crypto/signature_nocgo.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build nacl || js || !cgo || gofuzz
 // +build nacl js !cgo gofuzz
 
 package crypto

crypto/signify/signify_fuzz.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build gofuzz
 // +build gofuzz
 
 package signify