cli: use ioutil instead of os to read/write files

Go 1.15 doesn't have os.ReadFile and os.WiteFile.

cli/contract_test.go

@@ -370,7 +370,7 @@ func TestContractManifestGroups(t *testing.T) {
 	})
 	t.Run("corrupted NEF file", func(t *testing.T) {
 		f := filepath.Join(tmpDir, "invalid.nef")
-		require.NoError(t, os.WriteFile(f, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(f, []byte{1, 2, 3}, os.ModePerm))
 		e.RunWithError(t, "neo-go", "contract", "manifest", "add-group",
 			"--wallet", testWalletPath, "--account", testWalletAccount,
 			"--sender", testWalletAccount, "--nef", f)
@@ -383,7 +383,7 @@ func TestContractManifestGroups(t *testing.T) {
 	})
 	t.Run("corrupted manifest file", func(t *testing.T) {
 		f := filepath.Join(tmpDir, "invalid.manifest.json")
-		require.NoError(t, os.WriteFile(f, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(f, []byte{1, 2, 3}, os.ModePerm))
 		e.RunWithError(t, "neo-go", "contract", "manifest", "add-group",
 			"--wallet", testWalletPath, "--account", testWalletAccount,
 			"--sender", testWalletAccount, "--nef", nefName,

cli/dump_test.go

@@ -61,7 +61,7 @@ func TestDBRestoreDump(t *testing.T) {
 	t.Run("bad logger config", func(t *testing.T) {
 		badConfigDir := t.TempDir()
 		logfile := filepath.Join(badConfigDir, "logdir")
-		require.NoError(t, os.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
 		cfg = loadConfig(t)
 		cfg.ApplicationConfiguration.LogPath = filepath.Join(logfile, "file.log")
 		out, err = yaml.Marshal(cfg)
@@ -76,7 +76,7 @@ func TestDBRestoreDump(t *testing.T) {
 	t.Run("bad storage config", func(t *testing.T) {
 		badConfigDir := t.TempDir()
 		logfile := filepath.Join(badConfigDir, "logdir")
-		require.NoError(t, os.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
 		cfg = loadConfig(t)
 		cfg.ApplicationConfiguration.DBConfiguration.Type = ""
 		out, err = yaml.Marshal(cfg)

cli/server/server_test.go

@@ -47,7 +47,7 @@ func TestHandleLoggingParams(t *testing.T) {
 
 	t.Run("logdir is a file", func(t *testing.T) {
 		logfile := filepath.Join(d, "logdir")
-		require.NoError(t, os.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
 		set := flag.NewFlagSet("flagSet", flag.ExitOnError)
 		ctx := cli.NewContext(cli.NewApp(), set, nil)
 		cfg := config.ApplicationConfiguration{
@@ -181,7 +181,7 @@ func TestRestoreDB(t *testing.T) {
 	t.Run("invalid logger path", func(t *testing.T) {
 		badCfgDir := t.TempDir()
 		logfile := filepath.Join(badCfgDir, "logdir")
-		require.NoError(t, os.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
 		cfg, err := config.LoadFile(filepath.Join(goodCfg, "protocol.privnet.yml"))
 		require.NoError(t, err, "could not load config")
 		cfg.ApplicationConfiguration.LogPath = filepath.Join(logfile, "file.log")
@@ -223,7 +223,7 @@ func TestRestoreDB(t *testing.T) {
 	})
 	t.Run("corrupted in: invalid block count", func(t *testing.T) {
 		inPath := filepath.Join(t.TempDir(), "file3.acc")
-		require.NoError(t, os.WriteFile(inPath, []byte{1, 2, 3}, // file is expected to start from uint32
+		require.NoError(t, ioutil.WriteFile(inPath, []byte{1, 2, 3}, // file is expected to start from uint32
 			os.ModePerm))
 		*in = inPath
 		require.Error(t, restoreDB(ctx))
@@ -232,10 +232,10 @@ func TestRestoreDB(t *testing.T) {
 	})
 	t.Run("corrupted in: corrupted block", func(t *testing.T) {
 		inPath := filepath.Join(t.TempDir(), "file3.acc")
-		b, err := os.ReadFile(testDump)
+		b, err := ioutil.ReadFile(testDump)
 		require.NoError(t, err)
 		b[5] = 0xff // file is expected to start from uint32 (4 bytes) followed by the first block, so corrupt the first block bytes
-		require.NoError(t, os.WriteFile(inPath, b, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(inPath, b, os.ModePerm))
 		*in = inPath
 		require.Error(t, restoreDB(ctx))
 
@@ -243,12 +243,12 @@ func TestRestoreDB(t *testing.T) {
 	})
 	t.Run("incremental dump", func(t *testing.T) {
 		inPath := filepath.Join(t.TempDir(), "file1_incremental.acc")
-		b, err := os.ReadFile(testDump)
+		b, err := ioutil.ReadFile(testDump)
 		require.NoError(t, err)
 		start := make([]byte, 4)
 		t.Run("good", func(t *testing.T) {
 			binary.LittleEndian.PutUint32(start, 1) // start from the first block
-			require.NoError(t, os.WriteFile(inPath, append(start, b...),
+			require.NoError(t, ioutil.WriteFile(inPath, append(start, b...),
 				os.ModePerm))
 			*in = inPath
 			*incremental = true
@@ -257,7 +257,7 @@ func TestRestoreDB(t *testing.T) {
 		})
 		t.Run("dump is too high", func(t *testing.T) {
 			binary.LittleEndian.PutUint32(start, 2) // start from the second block
-			require.NoError(t, os.WriteFile(inPath, append(start, b...),
+			require.NoError(t, ioutil.WriteFile(inPath, append(start, b...),
 				os.ModePerm))
 			*in = inPath
 			*incremental = true

cli/server_test.go

@@ -47,7 +47,7 @@ func TestServerStart(t *testing.T) {
 	t.Run("bad logger config", func(t *testing.T) {
 		badConfigDir := t.TempDir()
 		logfile := filepath.Join(badConfigDir, "logdir")
-		require.NoError(t, os.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
+		require.NoError(t, ioutil.WriteFile(logfile, []byte{1, 2, 3}, os.ModePerm))
 		saveCfg(t, func(cfg *config.Config) {
 			cfg.ApplicationConfiguration.LogPath = filepath.Join(logfile, "file.log")
 		})