all: fix invalid directive syntax for golangci-lint nolint

accounts/keystore/passphrase_test.go

@@ -53,7 +53,7 @@ func TestKeyEncryptDecrypt(t *testing.T) {
 			t.Errorf("test %d: key address mismatch: have %x, want %x", i, key.Address, address)
 		}
 		// Recrypt with a new password and start over
-		password += "new data appended" // nolint: gosec
+		password += "new data appended" //nolint:gosec
 		if keyjson, err = EncryptKey(key, password, veryLightScryptN, veryLightScryptP); err != nil {
 			t.Errorf("test %d: failed to re-encrypt key %v", i, err)
 		}

cmd/utils/diskusage.go

@@ -33,7 +33,7 @@ func getFreeDiskSpace(path string) (uint64, error) {
 
 	// Available blocks * size per block = available space in bytes
 	var bavail = stat.Bavail
-	// nolint:staticcheck
+	//nolint:staticcheck
 	if stat.Bavail < 0 {
 		// FreeBSD can have a negative number of blocks available
 		// because of the grace limit.

core/blockchain_insert.go

@@ -136,7 +136,7 @@ func (it *insertIterator) next() (*types.Block, error) {
 //
 // Both header and body validation errors (nil too) is cached into the iterator
 // to avoid duplicating work on the following next() call.
-// nolint:unused
+//nolint:unused
 func (it *insertIterator) peek() (*types.Block, error) {
 	// If we reached the end of the chain, abort
 	if it.index+1 >= len(it.chain) {

core/txpool/locals/tx_tracker_test.go

@@ -93,12 +93,12 @@ func (env *testEnv) close() {
 	env.chain.Stop()
 }
 
-// nolint:unused
+//nolint:unused
 func (env *testEnv) setGasTip(gasTip uint64) {
 	env.pool.SetGasTip(new(big.Int).SetUint64(gasTip))
 }
 
-// nolint:unused
+//nolint:unused
 func (env *testEnv) makeTx(nonce uint64, gasPrice *big.Int) *types.Transaction {
 	if nonce == 0 {
 		head := env.chain.CurrentHeader()
@@ -125,7 +125,7 @@ func (env *testEnv) makeTxs(n int) []*types.Transaction {
 	return txs
 }
 
-// nolint:unused
+//nolint:unused
 func (env *testEnv) commit() {
 	head := env.chain.CurrentBlock()
 	block := env.chain.GetBlock(head.Hash(), head.Number.Uint64())

crypto/blake2b/blake2b_generic.go

@@ -25,7 +25,7 @@ var precomputed = [10][16]byte{
 	{10, 8, 7, 1, 2, 4, 6, 5, 15, 9, 3, 13, 11, 14, 12, 0},
 }
 
-// nolint:unused
+//nolint:unused
 func hashBlocksGeneric(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
 	var m [16]uint64
 	c0, c1 := c[0], c[1]

internal/build/gotool.go

@@ -66,7 +66,7 @@ func (g *GoToolchain) goTool(command string, args ...string) *exec.Cmd {
 	if g.Root == "" {
 		g.Root = runtime.GOROOT()
 	}
-	tool := exec.Command(filepath.Join(g.Root, "bin", "go"), command) // nolint: gosec
+	tool := exec.Command(filepath.Join(g.Root, "bin", "go"), command) //nolint:gosec
 	tool.Args = append(tool.Args, args...)
 	tool.Env = append(tool.Env, "GOROOT="+g.Root)
 

triedb/pathdb/history.go

@@ -184,7 +184,7 @@ func newStorageIdentQuery(address common.Address, addressHash common.Hash, stora
 // the addressHash denotes the address hash of the associated account;
 // the path denotes the path of the node within the trie;
 //
-// nolint:unused
+//nolint:unused
 func newTrienodeIdentQuery(addrHash common.Hash, path []byte) stateIdentQuery {
 	return stateIdentQuery{
 		stateIdent: newTrienodeIdent(addrHash, string(path)),

triedb/pathdb/history_trienode.go

@@ -643,7 +643,8 @@ func (r *trienodeHistoryReader) read(owner common.Hash, path string) ([]byte, er
 }
 
 // writeTrienodeHistory persists the trienode history associated with the given diff layer.
-// nolint:unused
+//
+//nolint:unused
 func writeTrienodeHistory(writer ethdb.AncientWriter, dl *diffLayer) error {
 	start := time.Now()
 	h := newTrienodeHistory(dl.rootHash(), dl.parent.rootHash(), dl.block, dl.nodes.nodeOrigin)
@@ -670,7 +671,7 @@ func writeTrienodeHistory(writer ethdb.AncientWriter, dl *diffLayer) error {
 }
 
 // readTrienodeMetadata resolves the metadata of the specified trienode history.
-// nolint:unused
+//nolint:unused
 func readTrienodeMetadata(reader ethdb.AncientReader, id uint64) (*trienodeMetadata, error) {
 	header, err := rawdb.ReadTrienodeHistoryHeader(reader, id)
 	if err != nil {

triedb/pathdb/iterator_binary.go

@@ -250,7 +250,7 @@ type accountBinaryIterator struct {
 // newBinaryAccountIterator creates a simplistic account iterator to step over
 // all the accounts in a slow, but easily verifiable way.
 //
-// nolint:all
+//nolint:all
 func (dl *diskLayer) newBinaryAccountIterator(seek common.Hash) AccountIterator {
 	return &accountBinaryIterator{
 		binaryIterator: dl.initBinaryAccountIterator(seek),
@@ -317,7 +317,7 @@ type storageBinaryIterator struct {
 // newBinaryStorageIterator creates a simplistic account iterator to step over
 // all the storage slots in a slow, but easily verifiable way.
 //
-// nolint:all
+//nolint:all
 func (dl *diskLayer) newBinaryStorageIterator(account common.Hash, seek common.Hash) StorageIterator {
 	return &storageBinaryIterator{
 		binaryIterator: dl.initBinaryStorageIterator(account, seek),