chore: replace deprecated functions

CHANGELOG.md

@@ -89,6 +89,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (store) [\#666](https://github.com/line/lbm-sdk/pull/666) change default `iavl-cache-size` and description 
 * (simapp) [\#679](https://github.com/line/lbm-sdk/pull/679) fix the bug not setting `iavl-cache-size` value of `app.toml`
 * (x/foundation) [\#687](https://github.com/line/lbm-sdk/pull/687) fix bugs on aborting x/foundation proposals
+* (global) [\#694](https://github.com/line/lbm-sdk/pull/694) replace deprecated functions since go 1.16 or 1.17
 
 ### Breaking Changes
 * (proto) [\#564](https://github.com/line/lbm-sdk/pull/564) change gRPC path to original cosmos path

baseapp/baseapp_test.go

@@ -5,7 +5,6 @@ import (
 	"encoding/binary"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"math/rand"
 	"os"
 	"strings"
@@ -134,7 +133,7 @@ func setupBaseAppWithSnapshots(t *testing.T, blocks uint, blockTxs int, options
 
 	snapshotInterval := uint64(2)
 	snapshotTimeout := 1 * time.Minute
-	snapshotDir, err := ioutil.TempDir("", "baseapp")
+	snapshotDir, err := os.MkdirTemp("", "baseapp")
 	require.NoError(t, err)
 	snapshotStore, err := snapshots.NewStore(dbm.NewMemDB(), snapshotDir)
 	require.NoError(t, err)

client/config/config_test.go

@@ -2,8 +2,8 @@ package config_test
 
 import (
 	"bytes"
-	//"fmt"
-	"io/ioutil"
+	"io"
+
 	"os"
 	"testing"
 
@@ -57,7 +57,7 @@ func TestConfigCmd(t *testing.T) {
 	cmd.SetOut(b)
 	cmd.SetArgs([]string{"node"})
 	cmd.Execute()
-	out, err := ioutil.ReadAll(b)
+	out, err := io.ReadAll(b)
 	require.NoError(t, err)
 	require.Equal(t, string(out), testNode1+"\n")
 }

client/config/toml.go

@@ -2,7 +2,6 @@ package config
 
 import (
 	"bytes"
-	"io/ioutil"
 	"os"
 	"text/template"
 
@@ -43,7 +42,7 @@ func writeConfigToFile(configFilePath string, config *ClientConfig) error {
 		return err
 	}
 
-	return ioutil.WriteFile(configFilePath, buffer.Bytes(), 0600)
+	return os.WriteFile(configFilePath, buffer.Bytes(), 0600)
 }
 
 // ensureConfigPath creates a directory configPath if it does not exist

client/keys/add_ledger_test.go

@@ -7,7 +7,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"testing"
 
 	"github.com/line/ostracon/libs/cli"
@@ -179,7 +179,7 @@ func Test_runAddCmdLedgerDryRun(t *testing.T) {
 				_, err = kb.Key("testkey")
 				require.NoError(t, err)
 
-				out, err := ioutil.ReadAll(b)
+				out, err := io.ReadAll(b)
 				require.NoError(t, err)
 				require.Contains(t, string(out), "name: testkey")
 			} else {

client/keys/add_test.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"testing"
 
 	bip39 "github.com/cosmos/go-bip39"
@@ -262,7 +262,7 @@ func Test_runAddCmdDryRun(t *testing.T) {
 				_, err = kb.Key("testkey")
 				require.NoError(t, err)
 
-				out, err := ioutil.ReadAll(b)
+				out, err := io.ReadAll(b)
 				require.NoError(t, err)
 				require.Contains(t, string(out), "name: testkey")
 			} else {

client/keys/import.go

@@ -2,7 +2,7 @@ package keys
 
 import (
 	"bufio"
-	"io/ioutil"
+	"os"
 
 	"github.com/spf13/cobra"
 
@@ -24,7 +24,7 @@ func ImportKeyCommand() *cobra.Command {
 			}
 			buf := bufio.NewReader(clientCtx.Input)
 
-			bz, err := ioutil.ReadFile(args[1])
+			bz, err := os.ReadFile(args[1])
 			if err != nil {
 				return err
 			}

client/keys/import_test.go

@@ -3,7 +3,6 @@ package keys
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -95,7 +94,7 @@ Ax9IQsSq+jOWkPRDJQ69a5/uUm4XliPim/CbYDVoXO6D3fts5IEXcUTmIa60ynC/
 
 			keyfile := filepath.Join(kbHome, "key.asc")
 
-			require.NoError(t, ioutil.WriteFile(keyfile, []byte(armoredKey), 0644))
+			require.NoError(t, os.WriteFile(keyfile, []byte(armoredKey), 0644))
 
 			defer func() {
 				_ = os.RemoveAll(kbHome)

codec/unknownproto/unknown_fields.go

@@ -5,7 +5,7 @@ import (
 	"compress/gzip"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"reflect"
 	"strings"
 	"sync"
@@ -358,7 +358,7 @@ func extractFileDescMessageDesc(desc descriptorIface) (*descriptor.FileDescripto
 	if err != nil {
 		return nil, nil, err
 	}
-	protoBlob, err := ioutil.ReadAll(gzr)
+	protoBlob, err := io.ReadAll(gzr)
 	if err != nil {
 		return nil, nil, err
 	}

cosmovisor/upgrade.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -106,7 +105,7 @@ func GetDownloadURL(info *UpgradeInfo) (string, error) {
 	doc := strings.TrimSpace(info.Info)
 	// if this is a url, then we download that and try to get a new doc with the real info
 	if _, err := url.Parse(doc); err == nil {
-		tmpDir, err := ioutil.TempDir("", "upgrade-manager-reference")
+		tmpDir, err := os.MkdirTemp("", "upgrade-manager-reference")
 		if err != nil {
 			return "", fmt.Errorf("create tempdir for reference file: %w", err)
 		}
@@ -117,7 +116,7 @@ func GetDownloadURL(info *UpgradeInfo) (string, error) {
 			return "", fmt.Errorf("downloading reference link %s: %w", doc, err)
 		}
 
-		refBytes, err := ioutil.ReadFile(refPath)
+		refBytes, err := os.ReadFile(refPath)
 		if err != nil {
 			return "", fmt.Errorf("reading downloaded reference: %w", err)
 		}

crypto/hd/fundraiser_test.go

@@ -4,7 +4,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -35,7 +35,7 @@ func initFundraiserTestVectors(t *testing.T) []addrData {
 	// var hdPath string = "m/44'/118'/0'/0/0"
 	var hdToAddrTable []addrData
 
-	b, err := ioutil.ReadFile("testdata/test.json")
+	b, err := os.ReadFile("testdata/test.json")
 	if err != nil {
 		t.Fatalf("could not read fundraiser test vector file (testdata/test.json): %s", err)
 	}

crypto/keyring/keyring.go

@@ -5,7 +5,6 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -673,7 +672,7 @@ func newRealPrompt(dir string, buf io.Reader) func(string) (string, error) {
 
 		switch {
 		case err == nil:
-			keyhash, err = ioutil.ReadFile(keyhashFilePath)
+			keyhash, err = os.ReadFile(keyhashFilePath)
 			if err != nil {
 				return "", fmt.Errorf("failed to read %s: %v", keyhashFilePath, err)
 			}
@@ -737,7 +736,7 @@ func newRealPrompt(dir string, buf io.Reader) func(string) (string, error) {
 				continue
 			}
 
-			if err := ioutil.WriteFile(dir+"/keyhash", passwordHash, 0555); err != nil {
+			if err := os.WriteFile(dir+"/keyhash", passwordHash, 0555); err != nil {
 				return "", err
 			}
 

server/export.go

@@ -4,7 +4,6 @@ package server
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	ostjson "github.com/line/ostracon/libs/json"
@@ -49,7 +48,7 @@ func ExportCmd(appExporter types.AppExporter, defaultNodeHome string) *cobra.Com
 					return err
 				}
 
-				genesis, err := ioutil.ReadFile(config.GenesisFile())
+				genesis, err := os.ReadFile(config.GenesisFile())
 				if err != nil {
 					return err
 				}

server/grpc/gogoreflection/serverreflection.go

@@ -41,7 +41,6 @@ import (
 	"compress/gzip"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"reflect"
 	"sort"
@@ -219,7 +218,7 @@ func decompress(b []byte) ([]byte, error) {
 	if err != nil {
 		return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
 	}
-	out, err := ioutil.ReadAll(r)
+	out, err := io.ReadAll(r)
 	if err != nil {
 		return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
 	}

server/grpc/grpc_web_test.go

@@ -10,7 +10,6 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/textproto"
 	"strconv"
@@ -198,7 +197,7 @@ func (s *GRPCWebTestSuite) makeGrpcRequest(
 		return nil, Trailer{}, nil, err
 	}
 	defer resp.Body.Close()
-	contents, err := ioutil.ReadAll(resp.Body)
+	contents, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, Trailer{}, nil, err
 	}

server/mock/helpers.go

@@ -2,7 +2,6 @@ package mock
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	abci "github.com/line/ostracon/abci/types"
@@ -14,7 +13,7 @@ import (
 func SetupApp() (abci.Application, func(), error) {
 	logger := log.NewOCLogger(log.NewSyncWriter(os.Stdout)).
 		With("module", "mock")
-	rootDir, err := ioutil.TempDir("", "mock-sdk")
+	rootDir, err := os.MkdirTemp("", "mock-sdk")
 	if err != nil {
 		return nil, nil, err
 	}

simapp/state.go

@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math/rand"
+	"os"
 	"time"
 
 	ostjson "github.com/line/ostracon/libs/json"
@@ -55,7 +55,7 @@ func AppStateFn(cdc codec.JSONCodec, simManager *module.SimulationManager) simty
 
 		case config.ParamsFile != "":
 			appParams := make(simtypes.AppParams)
-			bz, err := ioutil.ReadFile(config.ParamsFile)
+			bz, err := os.ReadFile(config.ParamsFile)
 			if err != nil {
 				panic(err)
 			}
@@ -184,7 +184,7 @@ func AppStateRandomizedFn(
 // AppStateFromGenesisFileFn util function to generate the genesis AppState
 // from a genesis.json file.
 func AppStateFromGenesisFileFn(r io.Reader, cdc codec.JSONCodec, genesisFile string) (octypes.GenesisDoc, []simtypes.Account) {
-	bytes, err := ioutil.ReadFile(genesisFile)
+	bytes, err := os.ReadFile(genesisFile)
 	if err != nil {
 		panic(err)
 	}

simapp/test_helpers.go

@@ -5,7 +5,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 	"sort"
 	"strconv"
@@ -56,7 +56,7 @@ var DefaultConsensusParams = &abci.ConsensusParams{
 }
 
 func setup(withGenesis bool, invCheckPeriod uint, opts ...wasm.Option) (*SimApp, GenesisState) {
-	randDir, _ := ioutil.TempDir(DefaultNodeHome, "")
+	randDir, _ := os.MkdirTemp(DefaultNodeHome, "")
 	snapshotDir := filepath.Join(randDir, "data", "snapshots")
 	snapshotDB := dbm.NewMemDB()
 

simapp/utils.go

@@ -3,7 +3,7 @@ package simapp
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/line/ostracon/libs/log"
 	dbm "github.com/tendermint/tm-db"
@@ -34,7 +34,7 @@ func SetupSimulation(dirPrefix, dbName string) (simtypes.Config, dbm.DB, string,
 		logger = log.NewNopLogger()
 	}
 
-	dir, err := ioutil.TempDir("", dirPrefix)
+	dir, err := os.MkdirTemp("", dirPrefix)
 	if err != nil {
 		return simtypes.Config{}, nil, "", nil, false, err
 	}
@@ -56,7 +56,7 @@ func SimulationOperations(app App, cdc codec.JSONCodec, config simtypes.Config)
 	}
 
 	if config.ParamsFile != "" {
-		bz, err := ioutil.ReadFile(config.ParamsFile)
+		bz, err := os.ReadFile(config.ParamsFile)
 		if err != nil {
 			panic(err)
 		}
@@ -84,7 +84,7 @@ func CheckExportSimulation(
 			return err
 		}
 
-		if err := ioutil.WriteFile(config.ExportStatePath, []byte(exported.AppState), 0600); err != nil {
+		if err := os.WriteFile(config.ExportStatePath, []byte(exported.AppState), 0600); err != nil {
 			return err
 		}
 	}
@@ -96,7 +96,7 @@ func CheckExportSimulation(
 			return err
 		}
 
-		if err := ioutil.WriteFile(config.ExportParamsPath, paramsBz, 0600); err != nil {
+		if err := os.WriteFile(config.ExportParamsPath, paramsBz, 0600); err != nil {
 			return err
 		}
 	}