remove io/ioutil

benchmarks/app_test.go

@@ -2,7 +2,7 @@ package benchmarks
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"testing"
 	"time"
 
@@ -119,7 +119,7 @@ func InitializeWasmApp(b testing.TB, db dbm.DB, numAccounts int) AppInfo {
 	wasmApp.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: height, Time: time.Now()}})
 
 	// upload the code
-	cw20Code, err := ioutil.ReadFile("./testdata/cw20_base.wasm")
+	cw20Code, err := os.ReadFile("./testdata/cw20_base.wasm")
 	require.NoError(b, err)
 	storeMsg := wasmtypes.MsgStoreCode{
 		Sender:       addr.String(),

x/wasm/client/cli/genesis_msg_test.go

@@ -3,7 +3,6 @@ package cli
 import (
 	"context"
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -42,7 +41,7 @@ func TestGenesisStoreCodeCmd(t *testing.T) {
 	minimalWasmGenesis := types.GenesisState{
 		Params: types.DefaultParams(),
 	}
-	anyValidWasmFile, err := ioutil.TempFile(t.TempDir(), "wasm")
+	anyValidWasmFile, err := os.CreateTemp(t.TempDir(), "wasm")
 	require.NoError(t, err)
 	anyValidWasmFile.Write(wasmIdent)
 	require.NoError(t, anyValidWasmFile.Close())
@@ -109,7 +108,7 @@ func TestInstantiateContractCmd(t *testing.T) {
 	minimalWasmGenesis := types.GenesisState{
 		Params: types.DefaultParams(),
 	}
-	anyValidWasmFile, err := ioutil.TempFile(t.TempDir(), "wasm")
+	anyValidWasmFile, err := os.CreateTemp(t.TempDir(), "wasm")
 	require.NoError(t, err)
 	anyValidWasmFile.Write(wasmIdent)
 	require.NoError(t, anyValidWasmFile.Close())
@@ -368,7 +367,7 @@ func TestExecuteContractCmd(t *testing.T) {
 	minimalWasmGenesis := types.GenesisState{
 		Params: types.DefaultParams(),
 	}
-	anyValidWasmFile, err := ioutil.TempFile(t.TempDir(), "wasm")
+	anyValidWasmFile, err := os.CreateTemp(t.TempDir(), "wasm")
 	require.NoError(t, err)
 	anyValidWasmFile.Write(wasmIdent)
 	require.NoError(t, anyValidWasmFile.Close())

x/wasm/client/cli/query.go

@@ -7,7 +7,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strconv"
 
 	wasmvm "github.com/CosmWasm/wasmvm"
@@ -174,7 +174,7 @@ func GetCmdQueryCode() *cobra.Command {
 			}
 
 			fmt.Printf("Downloading wasm code to %s\n", args[1])
-			return ioutil.WriteFile(args[1], res.Data, 0o600)
+			return os.WriteFile(args[1], res.Data, 0o600)
 		},
 	}
 	flags.AddQueryFlagsToCmd(cmd)

x/wasm/client/cli/tx.go

@@ -3,7 +3,7 @@ package cli
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strconv"
 
 	"github.com/cosmos/cosmos-sdk/client"
@@ -81,7 +81,7 @@ func StoreCodeCmd() *cobra.Command {
 }
 
 func parseStoreCodeArgs(file string, sender sdk.AccAddress, flags *flag.FlagSet) (types.MsgStoreCode, error) {
-	wasm, err := ioutil.ReadFile(file)
+	wasm, err := os.ReadFile(file)
 	if err != nil {
 		return types.MsgStoreCode{}, err
 	}

x/wasm/ibctesting/wasm.go

@@ -5,7 +5,7 @@ import (
 	"compress/gzip"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strings"
 
 	wasmd "github.com/CosmWasm/wasmd/app"
@@ -37,7 +37,7 @@ func (chain *TestChain) SeedNewContractInstance() sdk.AccAddress {
 }
 
 func (chain *TestChain) StoreCodeFile(filename string) types.MsgStoreCodeResponse {
-	wasmCode, err := ioutil.ReadFile(filename)
+	wasmCode, err := os.ReadFile(filename)
 	require.NoError(chain.t, err)
 	if strings.HasSuffix(filename, "wasm") { // compress for gas limit
 		var buf bytes.Buffer

x/wasm/ioutils/ioutil_test.go

@@ -5,7 +5,7 @@ import (
 	"compress/gzip"
 	"errors"
 	"io"
-	"io/ioutil"
+	"os"
 	"strings"
 	"testing"
 
@@ -16,10 +16,10 @@ import (
 )
 
 func TestUncompress(t *testing.T) {
-	wasmRaw, err := ioutil.ReadFile("../keeper/testdata/hackatom.wasm")
+	wasmRaw, err := os.ReadFile("../keeper/testdata/hackatom.wasm")
 	require.NoError(t, err)
 
-	wasmGzipped, err := ioutil.ReadFile("../keeper/testdata/hackatom.wasm.gzip")
+	wasmGzipped, err := os.ReadFile("../keeper/testdata/hackatom.wasm.gzip")
 	require.NoError(t, err)
 
 	const maxSize = 400_000

x/wasm/ioutils/utils_test.go

@@ -1,14 +1,14 @@
 package ioutils
 
 import (
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 )
 
 func GetTestData() ([]byte, []byte, []byte, error) {
-	wasmCode, err := ioutil.ReadFile("../keeper/testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("../keeper/testdata/hackatom.wasm")
 	if err != nil {
 		return nil, nil, nil, err
 	}

x/wasm/keeper/bench_test.go

@@ -1,7 +1,7 @@
 package keeper
 
 import (
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
@@ -89,7 +89,7 @@ func BenchmarkCompilation(b *testing.B) {
 			ctx, keepers := createTestInput(b, false, SupportedFeatures, wasmConfig, db)
 
 			// print out code size for comparisons
-			code, err := ioutil.ReadFile(spec.wasmFile)
+			code, err := os.ReadFile(spec.wasmFile)
 			require.NoError(b, err)
 			b.Logf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b(size: %d)  ", len(code))
 

x/wasm/keeper/genesis_test.go

@@ -6,7 +6,6 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"math/rand"
 	"os"
 	"testing"
@@ -40,7 +39,7 @@ func TestGenesisExportImport(t *testing.T) {
 	wasmKeeper, srcCtx, srcStoreKeys := setupKeeper(t)
 	contractKeeper := NewGovPermissionKeeper(wasmKeeper)
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	// store some test data
@@ -153,7 +152,7 @@ func TestGenesisExportImport(t *testing.T) {
 }
 
 func TestGenesisInit(t *testing.T) {
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	myCodeInfo := wasmTypes.CodeInfoFixture(wasmTypes.WithSHA256CodeHash(wasmCode))
@@ -498,7 +497,7 @@ func TestImportContractWithCodeHistoryReset(t *testing.T) {
 	keeper, ctx, _ := setupKeeper(t)
 	contractKeeper := NewGovPermissionKeeper(keeper)
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	wasmCodeHash := sha256.Sum256(wasmCode)
@@ -564,7 +563,7 @@ func TestImportContractWithCodeHistoryReset(t *testing.T) {
 }
 
 func TestSupportedGenMsgTypes(t *testing.T) {
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 	var (
 		myAddress          sdk.AccAddress = bytes.Repeat([]byte{1}, types.ContractAddrLen)
@@ -636,7 +635,7 @@ func TestSupportedGenMsgTypes(t *testing.T) {
 
 func setupKeeper(t *testing.T) (*Keeper, sdk.Context, []sdk.StoreKey) {
 	t.Helper()
-	tempDir, err := ioutil.TempDir("", "wasm")
+	tempDir, err := os.MkdirTemp("", "wasm")
 	require.NoError(t, err)
 	t.Cleanup(func() { os.RemoveAll(tempDir) })
 	var (

x/wasm/keeper/keeper_test.go

@@ -4,8 +4,8 @@ import (
 	"bytes"
 	"encoding/json"
 	"errors"
-	"io/ioutil"
 	"math"
+	"os"
 	"testing"
 	"time"
 
@@ -31,7 +31,7 @@ import (
 
 // When migrated to go 1.16, embed package should be used instead.
 func init() {
-	b, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	b, err := os.ReadFile("./testdata/hackatom.wasm")
 	if err != nil {
 		panic(err)
 	}
@@ -348,7 +348,7 @@ func TestCreateWithGzippedPayload(t *testing.T) {
 	deposit := sdk.NewCoins(sdk.NewInt64Coin("denom", 100000))
 	creator := keepers.Faucet.NewFundedAccount(ctx, deposit...)
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm.gzip")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm.gzip")
 	require.NoError(t, err, "reading gzipped WASM code")
 
 	contractID, err := keeper.Create(ctx, creator, wasmCode, nil)
@@ -1097,7 +1097,7 @@ func TestMigrateWithDispatchedMessage(t *testing.T) {
 	creator := keepers.Faucet.NewFundedAccount(ctx, deposit.Add(deposit...)...)
 	fred := keepers.Faucet.NewFundedAccount(ctx, sdk.NewInt64Coin("denom", 5000))
 
-	burnerCode, err := ioutil.ReadFile("./testdata/burner.wasm")
+	burnerCode, err := os.ReadFile("./testdata/burner.wasm")
 	require.NoError(t, err)
 
 	originalContractID, err := keeper.Create(ctx, creator, hackatomWasm, nil)

x/wasm/keeper/legacy_querier_test.go

@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -24,7 +24,7 @@ func TestLegacyQueryContractState(t *testing.T) {
 	creator := keepers.Faucet.NewFundedAccount(ctx, deposit.Add(deposit...)...)
 	anyAddr := keepers.Faucet.NewFundedAccount(ctx, sdk.NewInt64Coin("denom", 5000))
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	contractID, err := keepers.ContractKeeper.Create(ctx, creator, wasmCode, nil)
@@ -162,7 +162,7 @@ func TestLegacyQueryContractListByCodeOrdering(t *testing.T) {
 	creator := keepers.Faucet.NewFundedAccount(ctx, deposit.Add(deposit...)...)
 	anyAddr := keepers.Faucet.NewFundedAccount(ctx, topUp...)
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	codeID, err := keepers.ContractKeeper.Create(ctx, creator, wasmCode, nil)
@@ -312,7 +312,7 @@ func TestLegacyQueryContractHistory(t *testing.T) {
 }
 
 func TestLegacyQueryCodeList(t *testing.T) {
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	specs := map[string]struct {

x/wasm/keeper/proposal_integration_test.go

@@ -5,7 +5,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"errors"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/cosmos/cosmos-sdk/x/params/client/utils"
@@ -30,7 +30,7 @@ func TestStoreCodeProposal(t *testing.T) {
 		CodeUploadAccess:             types.AllowNobody,
 		InstantiateDefaultPermission: types.AccessTypeNobody,
 	})
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	myActorAddress := RandomBech32AccountAddress(t)
@@ -68,7 +68,7 @@ func TestInstantiateProposal(t *testing.T) {
 		InstantiateDefaultPermission: types.AccessTypeNobody,
 	})
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	require.NoError(t, wasmKeeper.importCode(ctx, 1,
@@ -131,7 +131,7 @@ func TestInstantiateProposal_NoAdmin(t *testing.T) {
 		InstantiateDefaultPermission: types.AccessTypeNobody,
 	})
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	require.NoError(t, wasmKeeper.importCode(ctx, 1,
@@ -203,7 +203,7 @@ func TestMigrateProposal(t *testing.T) {
 		InstantiateDefaultPermission: types.AccessTypeNobody,
 	})
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	codeInfoFixture := types.CodeInfoFixture(types.WithSHA256CodeHash(wasmCode))
@@ -394,7 +394,7 @@ func TestAdminProposals(t *testing.T) {
 		otherAddress sdk.AccAddress = bytes.Repeat([]byte{0x2}, types.ContractAddrLen)
 		contractAddr                = BuildContractAddress(1, 1)
 	)
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	specs := map[string]struct {

x/wasm/keeper/querier_test.go

@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"testing"
 	"time"
 
@@ -265,7 +265,7 @@ func TestQueryContractListByCodeOrdering(t *testing.T) {
 	creator := keepers.Faucet.NewFundedAccount(ctx, deposit...)
 	anyAddr := keepers.Faucet.NewFundedAccount(ctx, topUp...)
 
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	codeID, err := keepers.ContractKeeper.Create(ctx, creator, wasmCode, nil)
@@ -454,7 +454,7 @@ func TestQueryContractHistory(t *testing.T) {
 }
 
 func TestQueryCodeList(t *testing.T) {
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	ctx, keepers := CreateTestInput(t, false, SupportedFeatures)
@@ -656,7 +656,7 @@ func TestQueryPinnedCodes(t *testing.T) {
 }
 
 func TestQueryCodeInfo(t *testing.T) {
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	ctx, keepers := CreateTestInput(t, false, SupportedFeatures)
@@ -711,7 +711,7 @@ func TestQueryCodeInfo(t *testing.T) {
 }
 
 func TestQueryCodeInfoList(t *testing.T) {
-	wasmCode, err := ioutil.ReadFile("./testdata/hackatom.wasm")
+	wasmCode, err := os.ReadFile("./testdata/hackatom.wasm")
 	require.NoError(t, err)
 
 	ctx, keepers := CreateTestInput(t, false, SupportedFeatures)